CHAPTER I GENERAL TECHNICAL REQUIREMENTS 1.1 GENERAL DESCRIPTION 1.1.1 JOB A. This work includes the construction of a high-security infectious disease laboratory building at KST Soekarno Cibinong. The term "work" includes the provision of all labor (experts, craftsmen, laborers and others), materials and equipment/equipment needed to carry out the work in question. B. The work must be completed as intended in the RKS, plan drawings, minutes of work explanation meetings and addenda submitted during implementation. C. Included in the scope of work are preparatory work, water work, electricity work, warehouse work and all permits, for this reason the implementing contractor in the total cost bid must take these works into account. D. Payment method refers to a combination of unit price contracts for architecture, structure, electrical and electronics, plumbing with prices that can change according to the actual volume and price adjustments can be made, payments are made based on the actual volume and can be re-measured if there are differences in volume and scope of work and lump sum contracts for mechanical / air conditioning work and Building Management System (BMS) work, namely contracts for the procurement of goods/services with a fixed and fixed price for the entire work within a certain period of time, based on a fixed and fixed price amount, no price adjustments are possible, all risks regarding the implementation of the work are fully the responsibility provider, payment is made based on stages/progress according to the contract provisions, not based on actual volume, and no re-measurements are carried out, even if there are differences in work volume as long as the scope of work does not change. 1.1.2 CONTRACT DOCUMENTS A. Contract Documents that must be complied with by the Contractor consist of: ● Employment Agreement Letter ● Price Offer Letter and Offer Details ● Working/Implementation Drawings ● Work Plan and Requirements ● Addenda submitted by the Field Supervisor/MK during the implementation period B. The contractor is obliged to examine the drawings, RKS and other related contract documents. If there are differences/discrepancies between the RKS and the implementation drawings, or between one drawing and another, the Contractor is obliged to notify/report it to the Employer's Field Supervisor. The technical requirements for drawings and RKS that must be followed are: 1. If there is a difference between the plan drawing and the detailed drawing, then the detailed drawing is followed. 2. If the scale of the drawing does not match the size numbers, then the dimensions with the numbers that are followed, unless there is an error in writing the numbers which will clearly cause construction imperfections/non-conformities, must first obtain a decision from the Supervisory Consultant/MK. 3. If there is a difference between the RKS and the drawing, then the RKS that is followed, unless this occurs due to a writing error, which clearly results in construction damage/weaknesses, must be decided by the Supervising Consultant. 4. The RKS and the picture complement each other if the picture says it is complete and the RKS does not, then the picture must be followed and vice versa. 5. What is meant by RKS and images above are RKS and images after receiving changes/improvements in the work explanation minutes. C. If as a result of the Implementing Contractor's lack of care in carrying out the work, there is imperfection in the construction or failure of the building structure, then the Implementing Contractor must carry out the demolition of the construction that has been carried out and repair/re-implement it after obtaining the decision of the Supervising Consultant without any compensation from other parties. 1.2 SCOPE OF WORK 1.2.1 GENERAL DESCRIPTION A. WORK Detailed Engineering Design (DED) Planning Work for Infectious Disease Laboratory Infrastructure with a High Level of Security (High Containment Infectious Laboratory) at KST Soekarni Cibinong, generally includes standard and non-standard work. B. Technically, this work covers the entire construction process from preparation to cleaning/tidying up the yard, and continues with the maintenance period as determined, including: a. Preparatory Work b. Architectural Jobs c. Mechanical, Electrical, Plumbing Work d. Laboratory Furniture Interior Work e. Other work that is clearly related to the completion of the work mentioned above 1.2.2 MEANS AND METHODS OF WORK A. The contractor is obliged to check the correctness of the work conditions, review the work site, take measurements and consider the entire scope of work required for completion and completeness of the project. B. The contractor must provide labor and experts who are competent and adequate for the type of work being carried out, and will not employ people who are inappropriate or unskilled for the types of work assigned to him. Contractors must always maintain good discipline and rules among their workers/employees C. The installation contractor must place an expert and experienced person in charge of implementation who must always be in the field, who acts as a representative of the Contractor and has the ability to provide technical decisions and who is fully responsible for receiving all instructions that will be given by the Assignee/Planning Consultant. D. The contractor must provide work tools and equipment such as a spirit level, transportation equipment and other equipment necessary for this job. The equipment and supplies must be in good condition. The contractor is obliged to supervise and organize the work with full attention and to the best of his ability. The Contractor is fully responsible for all implementation methods, methods, techniques, sequences and procedures, as well as the arrangement of all parts of the work stated in the Contract. E. Shop Drawings (work drawings) must be made by the Contractor before a construction component is carried out. F. The contractor must submit 1 (one) soft copy and as built drawings 2 (two) sets of blueprint drawings/copies. These as-built drawings are complete for all installed installations in this project, along with detailed drawings and cut-out drawings. These as-builts must show the exact location and position of all installation parts. References that can be used include: columns, walls and so on G. Shop Drawings must be approved by the Planning Consultant before the relevant construction elements are implemented. H. Before handing over the first work, the Implementing Contractor must complete the drawings according to the implementation which consist of: ● Drawing of an implementation plan that does not experience changes during implementation. ● Shop drawings as detailed explanations or in the form of pictures of changes. I. The settlement referred to in paragraph g must be interpreted as having obtained the approval of the Supervisor/MK after a careful inspection. J. Drawings according to the implementation and the building use and maintenance book are part of the work that must be submitted at the time of the first handover, deficiencies in this case result in the first handover of work not being able to be carried out. K. Repairs/repairs that must be carried out by the Contractor, if: ● Basic work/construction components that are damaged or found to be imperfect during maintenance implementation. ● Other construction components or environmental conditions outside the main work that are damaged due to construction (for example roads, yards, etc.). L. Field improvements in the form of cleaning the site from materials left over from implementation before the contract period ends, unless they will be reused at a later stage. 1.2.3 MAKING AN IMPLEMENTATION SCHEDULE PLAN A. The Implementing Contractor is obliged to prepare and make an implementation schedule in the form of a barchart which is equipped with a graph of planned achievements based on the work component items in accordance with the offer. B. The preparation of this implementation schedule plan must be completed by the Implementing Contractor no later than 10 days after the start of implementation at the work site. The settlement referred to must already have the approval of the Field Supervisor/MK. C. If within 10 days after the work implementation begins, the Implementing Contractor has not completed preparing the implementation schedule, then the Implementing Contractor must be able to present a temporary implementation schedule for at least the first 2 weeks and the second 2 weeks of the work implementation. D. During the time before the planned implementation schedule is prepared, the Implementing Contractor must carry out his work guided by the weekly implementation plan which must be prepared at the start of implementation. This 2-week implementation schedule must be approved by the Supervisory Consultant. 1.2.4 REPORTS A. Daily and Weekly Reports Contractors are required to make daily, weekly and monthly reports that provide an overview of: Physical activity. • Notes and orders from the Assignee/Planning Consultant delivered verbally or in writing. • Number of incoming/rejected materials. • Number of workers. • Weather conditions, and • Work added/reduced. B. The weekly report is a summary of the daily report and after being signed by the Project Manager must be submitted to the Assignor/Planning Consultant for acknowledgment/approval. C. Test Report The installation contractor must submit to the Assignee/Planning Consultant in 3 (three) copies the preparation of the test form as follows: • Test results for all installation operation requirements • Equipment testing results • Cable test results • and others. All tests and measurements that will be carried out must be witnessed by the Assignee/Planning Consultant. 1.2.5 WARRANTY All equipment, materials and quality of work must be guaranteed for 12 (twelve) months from the date of first delivery. From the first delivery until the warranty period ends, if damage or failure of the installation work occurs, the Contractor is obliged to replace or repair the damage at his own expense. If there is damage to the equipment that needs to be repaired or replaced, the guarantee remains valid from the time of the replacement or repair. If there is damage to the main equipment (for example, the AHU motor catches fire) then the motor must be replaced with a new one and the wiring must not be re-wound. All property and factory premises damaged due to the Contractor's negligence must be repaired to their original condition. 1.2.6 WORK MAINTENANCE AND HANDOVER PERIOD A. The maintenance period for this installation is 6 (six) months from the time of first delivery. B. During this maintenance period, the installation contractor is required to repair and carry out imperfect parts of the work that have not been or have been warned beforehand without any additional costs. C. The contractor must submit complete documents at the time of handover of the first work in the form of: a) As built drawings b) Equipment and control brochures containing, among other things: ● Technical Brochure (Performance, Curves) ● Maintenance Manual ● Manual operation c) Test report data d) Equipment and installation guarantee certificate All points i to point iv must be bundled in one bundle and submitted in 2 (two) sets. 1.2.7 ADDITIONS / REDUCTIONS / CHANGES IN INSTALLATION A. Implementation of installations that deviate from plans that are adapted to field conditions must be consulted first with the Assignee/Consultant who will discuss this with the Planner. B. Material changes, etc., must receive instructions from the Assignor/Consultant in writing before being implemented. And any additional/subtracted/changed work must be approved by the Assignor/Planning Consultant in writing. 1.2.8 MATERIAL TERMS AND CONDITIONS A. The contractor must provide building materials in quantity and quality appropriate to the scope of work carried out. As long as there are no other provisions in this RKS and the Minutes of the Explanatory Meeting. B. If there is a dispute regarding the quality of the materials used, the Field Supervisor has the right to ask the Contractor to have the materials checked at the official Materials Research Center Laboratory at the Contractor's expense. Until there is confirmation of the results of the examination from the Laboratory, the Contractor is not permitted to continue the parts of the work that use these materials. C. Storage of materials must be arranged and carried out in such a way that it does not interfere with the smooth implementation of the work and prevents the materials from being damaged. 1.3 JOB SITUATION AND PREPARATION 1.3.1 SITUATION/LOCATION A. The project location is in the KST Soekarno Hatta Cibinong area. The project location will be handed over to the Contractor as it is at the time of the Explanation Meeting. The contractor should conduct careful research regarding the condition of the structure and roof of the building. B. Inaccuracy or negligence in evaluating field conditions, is entirely the responsibility of the Contractor and cannot be used as a reason to submit a claim/demand. 1.3.2 WATER AND POWER A. The contractor must provide water at his own expense/expenses required to carry out this work, namely: ● Working water for mixing or other purposes that meets the requirements according to the type of work, is clean enough, free from all kinds of dirt and substances such as oil, acid, salt, and so on which can damage or reduce the strength of the construction. ● Clean water for daily needs such as drinking, bathing/defecating and other needs of workers. The quality of the water provided for these purposes must be sufficiently guaranteed. ● The contractor must provide temporary electrical power at his own expense/accounts needed for equipment and lighting and other needs in carrying out this work. Installation of this temporary electrical system must meet applicable requirements. Contractors must arrange and maintain electrical networks and equipment that do not endanger workers in the field. The contractor must also provide temporary lightning protection for safety. 1.3.3 EXHAUST DUCT The contractor must make temporary drainage channels to ensure that the building area is always dry/not wet from rainwater or wastewater. The channel is connected to the nearest ditch/drain or according to the Supervisor's instructions. 1.3.4 PAGE CLEANING ● All obstacles within the land boundary that obstruct the progress of work such as trees, rocks or building debris must be dismantled and cleaned and removed from the building land except for items that are determined to be protected so that they remain intact. ● Demolition must be carried out as carefully as possible to prevent adjacent buildings from being damaged. Used demolition materials are not permitted to be reused and must be transported out of the project yard. 1.4 TECHNICAL INTEGRITY REQUIREMENTS AND PROHIBITION OF DOCUMENT DUPLICATION A. GENERAL PROVISIONS a. Suppliers (Contractors / Vendors) are strictly prohibited from preparing Technical Proposals or Bidding Technical Documents by copying part or all of the contents of the Work Plan and Conditions (RKS), Technical Specifications or Bidding Documents (Selection Documents / KAK / TOR) without adjusting the substance and proof of the proposed product specifications. b. Bidding technical documents must be the result of independent technical preparation and analysis, which describes the Supplier's understanding of system requirements, building characteristics, environmental conditions, as well as the capabilities of the products and technology being offered. c. Any technical information submitted in the proposal must be proven objectively and verifiably through official manufacturer documents such as brochures, catalogues, data sheets, or technical specifications which are publicly available and can be accessed globally via the manufacturer's official website or international technical portal. B. REQUIREMENTS FOR PROOF OF TECHNICAL SPECIFICATIONS a. Providers are required to include an official source link (URL) from the manufacturer or global distributor for each proposed product, indicating conformity between the specifications offered and the specifications required in the RKS. b. The product brochure or data sheet submitted must: ● Have valid product identification (model, type, serial number and manufacturer). ● Shows the main technical parameters according to the RKS, including capacity, power, efficiency, protection rating and minimum performance features. ● In English or Indonesian as recognized by the manufacturer. ● Accompanied by a valid revision date / document code (not a modified version by a third party). c. In the event that discrepancies are found between the technical specifications offered and the manufacturer's official documents, the internationally recognized manufacturer's data sheet will be considered as the correct reference. C. PROHIBITION OF COPYING–PASTING TECHNICAL DOCUMENTS a. Bidding documents that contain descriptions of specifications, implementation methods or technical descriptions that are exactly the same (copy-paste) as the RKS text, without adjustments or proof of technical references, will be deemed not to meet the technical substance (non-responsive) and can be discarded at the technical evaluation stage. b. Points that are prohibited from being copied directly from RKS include: ● Introductory Description, Scope of Work, Standards and References, and Minimum Performance without technical interpretation. ● Description of technical specifications that is not accompanied by proof of reference source. ● Identical implementation method without adjustments to the proposed brand/technology. c. Any text quoted from the RKS document must be reviewed and re-elaborated with a technical narrative that explains how the product being offered meets or exceeds the required criteria. D. TECHNICAL VERIFICATION and CLARIFICATION a. At the technical evaluation stage, the Selection Working Group / Evaluation Committee / Supervisory Consultant has the right to: ● Check the validity of the specifications through the manufacturer's official website. ● Clarify with the official manufacturer / distributor regarding product specifications and availability. ● Reject bids if proposed specifications cannot be independently verified. b. Providers are required to provide source links (internet links), copies of brochures, or technical data sheets (data sheets) for each main product offered c. The Supplier's inability to prove the validity of the proposed technical data is considered a violation of the principle of reliability of the bidding document, and is the basis for the Committee to declare the bid has not passed the technical evaluation (non-compliant). E. FINAL AFFIRMATION 1. With this clause, the RKS and Procurement Technical Documents only function as a minimum reference for performance and system standards, not as text that may be copied into the bid proposal. 2. Technical assessment will focus on: ● Conformity of product specifications with RKS requirements. ● Validity and verifiability of technical data sources. ● Depth of Provider's technical understanding and installation capabilities. 3. Any violation of this provision will be stated in the Technical Evaluation Minutes, and will be the basis for a recommendation to reject the bid in accordance with the provisions of Presidential Regulation Number 16 of 2018 concerning Government Procurement of Goods/Services and its amendments. 1.5 REQUIREMENTS FOR SUBMISSION OF TECHNICAL BID DOCUMENTS Bidders are required to carry out work based on drawings, RKS/technical specifications, and building performance requirements as determined by the PPK. In technical bid, Bidders are required to demonstrate understanding of the document through a logical, realistic and executable implementation method. a. Specifically for critical laboratory systems, bidders are required to submit a general description of the design implementation that shows: understanding of zoning and relationships between laboratory spaces, supporting spaces and related areas; b. understanding the integration of architectural work, HVAC, electrical, plumbing, instrumentation/control, penetration sealing, biosafety cabinets, autoclaves, and other utilities; c. strategy for implementing installation, testing, testing, adjusting and balancing, commissioning, and performance verification; d. strategy to maintain the quality of work so that the results of the implementation meet the design parameters and operational readiness of the facility. Special additional Air Conditioning System (HVAC) For laboratory HVAC systems, Participants are required to submit an implementation overview that at least includes: a. understanding the function of the HVAC system in supporting safety, cleanliness, reliability and control of the laboratory environment b. understanding of zoning, system division, installation sequence, and relationships with other work disciplines; c. understanding of supply and exhaust flow, area separation, temperature and humidity control, control systems, and the relationship of HVAC systems to space performance requirements; d. testing and commissioning strategies, including testing, adjusting and balancing, functional testing, and proving conformity to required design parameters. CHAPTER II GENERAL PROVISIONS 2.1 BACKGROUND This work is part of the construction of an air conditioning (Heating, Ventilation, and Air Conditioning/HVAC) system for the laboratory building which includes the BSL-2 and ABSL-2 Enhanced laboratory areas, along with supporting spaces in one building. HVAC systems in laboratories with a biosafety classification must meet biosafety requirements to prevent exposure, cross-contamination, and maintain a controlled environment during laboratory operations. Taking into account the characteristics of BSL-2 and ABSL-2 Enhanced laboratories, HVAC systems must be designed not only for thermal comfort, but especially to ensure air flow control, chamber pressure, filtration and environmental safety consistently in accordance with applicable international standards. 2.2 AIMS AND OBJECTIVES OF THE WORK The purpose of this work is to provide an HVAC system that is complete, installed, tested, documented, and functions according to biosafety level requirements, both for the laboratory area and supporting rooms in one building. The aim of the work is to ensure that all stages of planning, procurement, installation, integration and commissioning of HVAC systems are carried out in accordance with biosafety standards, technical ventilation standards and the provisions stipulated in this RKS until operating conditions are obtained that meet functional requirements. 2.3 SCOPE OF WORK FOR AIR CONDITIONING SYSTEMS The scope of work includes but is not limited to: A. Procurement of all main equipment and supporting materials for the air system, including Variable Refrigerant Flow or Variable Refrigerant Volume type cooling units, air handling units, air ducts, air flow control equipment, air distribution terminals, air exhaust systems, and laboratory standard filtration devices. B. Carrying out work to install all air conditioning system equipment and networks until they are ready to operate, including cooling equipment, air ducts, air distribution devices, air exhaust systems with high-efficiency particulate air filters, as well as sensor devices and control systems. C. Integration of the air conditioning system with the overall building management system (Building Management System), including connection of control points, monitoring, alarms safety, data recording, and interoperability between other mechanical-electrical subsystems. D. Carrying out the entire series of tests and proof of performance, including acceptance tests at the factory, acceptance tests at the site, capacity adjustment and air flow balance tests, building control system integration tests, as well as preparing a verification summary of the suitability of design, installation and operation for biosafety laboratory facilities E. Submission of all technical documents, final drawings, operation and maintenance manuals, operator training, as well as implementation of final system handover in accordance with applicable regulations. 2.4 CONTRACT SYSTEM AND IMPLEMENTATION METHODS This RKS stipulates a performance-based approach, where detailed HVAC design is entirely the responsibility of the bidder, including determining ducting dimensions, number and type of CAV/VAV, ATD layout, HEPA exhaust design, VRF/VRV cooling capacity, as well as control and interlock schemes. 2.5 SAFETY, SECURITY AND BIOSAFETY COMPLIANCE REQUIREMENTS All work design and implementation must take into account: ● Work safety in mechanical-electrical installations ● Biosafety for BSL-2 and ABSL-2 Enhanced laboratories throughout the work cycle ● Prevention of cross-contamination and exposure ● Space integrity and protection of the laboratory environment during work 2.6 STANDARDS AND MANDATORY REFERENCE DOCUMENTS Participants are required to refer to and comply with the following standards in full: ● WHO Laboratory Biosafety Manual (BSL-2 and ABSL-2) ● NIH Design Requirements Manual (BSL-2 Enhanced/ABSL-2) ● ASHRAE 170 – Ventilation of Healthcare Facilities ● ISO 35001 – Biorisk Management System If there is a conflict between standards, the international biosafety standards and the requirements in this RKS are declared to be of higher priority. CHAPTER III AIR CONDITIONING SYSTEM DESIGN REQUIREMENTS 3.1 PERFORMANCE BASED DESIGN PRINCIPLES The air conditioning system for laboratory buildings must be designed to ensure biosafety, operational comfort, air flow control, and compliance with biosafety standards without locking in a particular design form. Technical values ​​such as capacity, air flow rate, differential pressure, number of supply and exhaust terminals, air channel configuration, and equipment layout are not specified in this RKS, but must be determined, calculated, and proven by bidders based on applicable standards. 3.2 DESIGN RESPONSIBILITIES BY BIDDERS Bidders are required to prepare a complete technical design document containing the design basis, technical justification, calculation methods and detailed engineering drawings for the entire air conditioning system. The proposed design must include at least: ● Design basis report ● Methodology for controlling air flow and zoning laboratory space ● Calculation of supply and exhaust air balance ● Laboratory exhaust design with high-efficiency filters and closed replacement mechanism ● Control system scheme and connection to the building management system ● Review of design compatibility with biosafety standards 3.3 REQUIREMENTS FOR BSL-2 AND ABSL-2 ENHANCED AREAS The design must be able to guarantee that laboratory areas and animal vivariums that are classified as biosafety operate in controlled room conditions in accordance with international standard provisions, including flow control, regulating pressure relations between spaces, preventing recirculation of exhaust air to other areas, as well as filtering exhaust air through high efficiency filters with a closed replacement system. 3.4 FILTRATION OF SUPPLY AIR AND EXHAUST AIR The design must include minimum filtration provisions, namely initial filters and intermediate filters on the supply air to the laboratory area, as well as high-efficiency particulate air filters on all exhaust air from spaces potentially exposed to infectious agents. Installation of a high efficiency particulate filter in the exhaust line must use a closed replacement system (bag-in bag-out) to ensure personnel safety during maintenance. 3.5 VARIABLE REFRIGERANT DISTRIBUTION TYPE COOLING SYSTEM REQUIREMENTS The cooling system used must be of the variable refrigerant delivery type and designed in such a way that it is able to support the performance of laboratory functions, maintain temperature stability, and be compatible with air flow settings, air exhaust systems, and biosafety requirements. 3.6 PRESSURE, AIRFLOW AND ZONING CONTROL REQUIREMENTS Bidders are required to design, determine and prove design values ​​for air pressure between rooms, air flow patterns and air exchange limits in laboratory areas and supporting rooms. The entire design must comply with the provisions of biosafety standards for laboratories as well as applicable international ventilation standards, and must ensure that the pressure relations between zones do not deviate from safe conditions without being detected by the monitoring system. In determining air flow, participants are required to determine the pressure gradient from the clean area to the dirty area to the most dirty area (most contaminated zone) to ensure that there is no backflow of air. The air flow rate in each room must be determined based on the level of biological risk by referring to international standards and ISO 35001, so that both biosafety requirements and researcher work comfort are met. 3.7 REQUIREMENTS FOR INTEGRATION WITH THE BUILDING MANAGEMENT SYSTEM All main components of the air conditioning system, including sensors, actuators, air terminals, exhaust equipment and cooling systems must be fully integrated with the building management system. Integration should at a minimum include pressure value monitoring, filtration status, deviation alarms, operational controls, historical data logging, and tracking capabilities for biosafety audits. 3.8 INTERFACE AND INTEROPERABILITY REQUIREMENTS The design must accommodate the interconnection between mechanical, electrical systems, safety systems and building automation systems, so that no subsystem operates without synchronization with biosafety requirements. CHAPTER IV MATERIAL AND EQUIPMENT REQUIREMENTS 4.1 COOLING UNITS WITH VARIABLE REFRIGERANT DISTRIBUTOR The cooling unit used in this project must be a variable refrigerant delivery system designed to serve all laboratory zones and support spaces within the building. The system must be able to work stably under partial load conditions, support energy efficiency settings, be controlled in an integrated manner, and be compatible with special laboratory air conditioning systems. The cooling unit must be equipped with protection against refrigerant leaks, speed control, and a communication interface that can be integrated with the building management system. 4.2 AIR HANDLING UNITS AND AIR DISTRIBUTION DEVICES Air handling units installed to serve laboratory rooms and supporting rooms must be equipped with: a. Initial stage air filter in the supply air line b. Intermediate stage air filter in the supply air line c. Air distribution terminal device for air supply and return d. Fixed air flow control device or variable air flow control device according to the bidder's design All components must be designed to prevent air leaks and maintain continuous flow in accordance with biosafety principles. 4.3 LABORATORY AIR EXHAUST SYSTEM WITH HIGH EFFICIENCY FILTERS The air exhaust system from the laboratory room must be equipped with a high-efficiency particulate air filter and implemented in a manner that ensures safety when changing the filter media through a closed replacement mechanism. The exhaust air system must be designed to free recirculation into the building and must comply with laboratory biosafety management. Exhaust air from risk areas must be 100% discharged out of the building and directed upwards (vertical discharge), horizontal discharge to the side of the building is not permitted. 4.4 AIR DUCTS, SUPPORTS AND VIBRATION DAMPERS All air ducts, mechanical supports, thermal insulation, and vibration dampers must use materials that do not cause contamination, are resistant to moisture and corrosive substances, as well as meeting fabrication standards for laboratory spaces. Duct connections must be airtight, easy to inspect, and not interfere with controlled air flow. 4.5 SENSOR DEVICES, CONTROLS AND INTEGRATION PANEL Each laboratory zone and supporting room must be equipped with pressure, temperature and air flow sensor devices that can be monitored in real-time. The control panel must allow regulation of the air conditioning system from the building control center, including deviation alarms, data recording and tracking for safety audit purposes. 4.6 INTEGRATION OF THE AIR CONDITIONING SYSTEM WITH THE BUILDING MANAGEMENT SYSTEM All main equipment, sensor devices, actuators, air distribution terminals, exhaust systems and cooling units must be connected to the building management system for the purposes of monitoring, control, alarm, tracking changes and reporting operational conditions. 4.7 QUALITY GUARANTEE REQUIREMENTS FOR MATERIALS AND EQUIPMENT All materials and equipment installed must: ● New and never used before ● Produced by a manufacturer with a track record ● Has factory quality certification and recommended use for laboratory facilities ● Accompanied by technical documents, catalogs and factory test certificates CHAPTER V INSTALLATION AND FIELD IMPLEMENTATION REQUIREMENTS 5.1 METHODS FOR IMPLEMENTING AIR CONDITIONING SYSTEMS Air conditioning system installation work must be carried out by competent personnel, experienced in laboratory facilities, and following work methods that prevent material contamination, equipment damage, air leaks, and disruption to the integrity of the space. Each stage of installation must refer to the approved design document, and no changes are permitted without written approval from the technical supervisor. 5.2 PLACEMENT OF EQUIPMENT AND ACCESS SPACES All cooling units, air handling units, air ducts, air distribution devices, exhaust systems, and control panels must be installed in a position that allows routine maintenance, safety checks, filter replacement, and retesting without requiring major disassembly. The placement of all equipment, channels, service access and maintenance routes must follow the spatial layout and area boundaries as shown in the architectural drawings that are part of this tender document, unless there are technical reasons that require changes and have been approved in writing by the technical supervisor. Service access must be taken into account from the design stage by the bidder and stated in technical drawings that are approved before installation. 5.3 INSTALLATION OF AIR, CONDENSATE AND PROTECTION DUCTS Installation of air ducts must be carried out using techniques that ensure that leaks, microbial colonization or contamination do not occur. Condensate lines must be installed at an adequate slope, equipped with odor collectors and shut-offs if necessary, and protected from the formation of microorganisms. All components in active laboratory areas must be protected during construction to prevent particle contamination. 5.4 INSTALLATION OF AIR EXHAUST SYSTEM AND HIGH EFFICIENCY FILTERS Installation of high-efficiency particulate air filters and laboratory air exhaust equipment with closed replacement systems must be carried out in accordance with the manufacturer's procedures and biosafety guidelines. Work may only be performed by personnel trained and supervised by a technically authorized party. Exhaust equipment must not be connected to any air system other than the laboratory system. 5.5 MARKING, LABELING AND CLEAN CONSTRUCTION DISCIPLINE Each component of the air conditioning system must be clearly labeled for operation and maintenance purposes. Construction in laboratory areas is required to implement work procedures in clean zones, including dust control, regular cleaning, and prohibition of the use of materials that have the potential to be sources of contamination. 5.6 NOISE, VIBRATION AND INTERFERENCE CONTROL Bidders are required to ensure that there is no noise, vibration or other influences that could disrupt laboratory operations or other precision systems. Damping techniques must be planned and proven in the design documentation and verified after installation. CHAPTER VI TESTING AND COMMISSIONING REQUIREMENTS 6.1 ACCEPTANCE TESTING IN THE FACTORY (FACTORY ACCEPTANCE TEST) All major equipment such as variable refrigerant delivery cooling units, air handling units, high efficiency particulate air filter systems and control panels must be accompanied by factory acceptance test results from the manufacturer. The document must show that the equipment has been tested for basic functions before being delivered to the project site. 6.2 SITE ACCEPTANCE TEST After installation is complete and before the system is put into operation, participants are required to carry out acceptance testing on site to ensure that the equipment is installed as designed and functions without mechanical or electrical defects. 6.3 TESTING AIR FLOW ADJUSTMENT AND BALANCE Participants are required to adjust and test the air flow balance in the supply and exhaust system until the flow conditions are obtained according to the design. Tests must include the amount of air flow, uniformity of distribution, and stability of pressure between spaces. 6.4 INTEGRATION TESTING WITH BUILDING MANAGEMENT SYSTEMS Integration testing must be performed to ensure that all control points, safety alarms, room pressure status, air filter status, historical data records, and control logic work as designed through the central building management system. 6.5 LABORATORY SAFETY VERIFICATION (DESIGN, INSTALLATION AND OPERATION) Participants are required to carry out verification stages which include: ● Proving design conformity to biosafety standards (design verification) ● Proving the conformity of the installation to the approved design ● Proving operational readiness through system testing and documentation of results A verification summary should be prepared as part of the commissioning output to ensure the laboratory can be operated to the required biosafety level. 6.6 DOCUMENTATION, REPORTING AND COMPLETION OF COMMISSIONING All test and commissioning results must be stated in an official report containing measurement results data, instruments used, test methods, photographic evidence, and follow-up recommendations if discrepancies are found. The commissioning process is considered complete after all results are received and ratified by the employer. 6.7 TESTING BY INDEPENDENT PARTIES AND FAILURE SCENARIO TESTS Testing the performance of the air conditioning system for this laboratory must follow test methods that refer to international standards and national standards that apply as a basis for certification of the suitability of laboratory facilities. Testing must be carried out by independent testers who have international recognition or accreditation in the field of biosafety laboratories. As part of the verification process, bidders are required to facilitate the implementation of failure scenario testing proposed by independent testing parties, including but not limited to scenarios of air supply failure, air exhaust failure, control system failure, or changes in pressure relationships between spaces. If failure occurs at this testing stage, participants are required to take corrective action until they are declared passed by the independent examiner. All costs, scheduling, technical support, area access, and system readiness for independent testing are part of the participant's obligations and cannot be transferred to the employer. CHAPTER VII TECHNICAL DOCUMENTS AND HANDOVER 7.1 DOCUMENTS TO BE SUBMITTED AT THE BIDDING STAGE Participants are required to submit technical documents as part of the assessment of the feasibility of the offer, including at least: ● Basic report on air conditioning system design along with technical justification ● Air flow design scheme, pressure relationships between spaces, and laboratory zoning ● Concept of integration with building management systems ● Plan installation methods and risk control measures during construction ● List of manufacturers and specifications of major materials and equipment ● Testing and commissioning implementation plan Bids that do not attach the technical documents as intended may be declared not to meet the requirements. 7.2 DOCUMENTS THAT MUST BE SUBMITTED DURING THE EXECUTION OF THE WORK During the implementation phase, participants are required to gradually submit and obtain approval for: a. Detailed engineering drawings (shop drawings) b. Implementation image (as built) after installation is complete c. Installation manual and operating instructions from the manufacturer d. Details of integration points for the air conditioning system with the building management system e. Work safety documents and biosafety compliance during implementation 7.3 FINAL DOCUMENTS AT THE SUBMISSION STAGE At the time of handover of work, participants are required to submit final documents, at least: a. Complete report of testing and commissioning results including proof of testing by an independent party b. Summary of design, installation and operation verification according to biosafety standards c. Operation and maintenance guide kit, including filter media replacement instructions and safety procedures d. Regular inspection plans and long-term maintenance recommendations e. Certificates, minutes and statements of test completion from independent examiners 7.4 HANDOVER PROVISIONS AND POST HANDOVER RESPONSIBILITIES Handover of work can only be carried out after all technical, administrative and testing obligations are declared fulfilled. Participants remain responsible for system malfunctions caused by errors in design, installation or material specifications throughout the warranty period. CHAPTER VIII SPECIAL CONTRACT PROVISIONS 8.1 OBLIGATION TO FULFILL BIOSAFETY REQUIREMENTS WITHOUT EXCEPTION All designs, materials, installation, testing and final results of air conditioning systems must comply with the requirements for laboratory biosafety level two and biosafety level two for animals according to international standards. There is no tolerance for deviations that can reduce the level of biosafety. 8.2 PRINCIPLES OF COMPLIANCE WITH THE PERFORMANCE-BASED APPROACH The scope of this document is performance-based, so participants are fully responsible for producing designs that can be technically verified and pass testing. Equating specifications or selecting components without reliable calculations is not permitted. 8.3 TECHNICAL ASSESSMENT BASED ON SPECIFICATIONS AND FUNCTIONAL COMPLIANCE Technical assessment of bids will be based on the suitability of designs, methods and technical specifications to applicable biosafety standards and ventilation standards. The brand or manufacturer's name listed in the offer document is treated only as a reference, while the basis for assessment is technical capability and fulfillment of functions in accordance with the provisions in this document. If differences are found between the technical specifications claimed in the brochure submitted by the participant and the official technical data available globally from the manufacturer, then the participant's design is declared not to meet the requirements and the bid may be declared technically invalid. 8.4 CONSEQUENCES OF FAILURE TO PASS THE TESTING If the results of independent testing or failure scenario testing show non-conformity, participants are required to carry out corrective actions until they are declared passed. All costs for corrections, retesting, and examiner accommodation are the responsibility of the participant without additional payment by the employer. 8.5 Prohibition of Plan Changes Without Approval Any changes to the design, implementation method, installation route, or material substitution after approval must obtain written approval. Unilateral changes constitute a breach of contract and may be subject to administrative action in accordance with applicable regulations. 8.6 ADDITIONAL TERMS Things that have not been stated in this document but are necessary to achieve system function and safety are considered to be included in the participant's obligations, as long as they comply with the standards referred to and do not conflict with statutory provisions. CHAPTER IX TECHNICAL SPECIFICATIONS OF AIR CONDITIONING SYSTEMS 9.1 GENERAL PROVISIONS The air conditioning system in the BSL-2 laboratory zone and ABSL-2 Enhanced vivarium zone must be designed, provided, installed, tested and handed over in a ready-to-operate condition that meets all biosafety, work safety and research integrity requirements. The air conditioning system must ensure that air flow is controlled, pressure relations between spaces are maintained, cross-air mixing between risk zones is prevented, and exhaust air is released through a safe filtering stage without creating a risk of releasing biological agents into the environment. The system must be able to operate stably for 24 hours per day under full load and partial load conditions, including when there is a power interruption or component failure. Any replacement of high efficiency filters on all exhaust lines must use a closed replacement system to prevent exposure to personnel and the environment. No recirculation of air from the laboratory room and vivarium to the supply system is permitted. The air conditioning system must be integrated with the building management system for the purposes of pressure monitoring, air flow control, safety alarms, historical recording and safety audits. The design, implementation and testing of air conditioning systems must be guided by biosafety standards and international ventilation standards that apply to laboratory facilities with a biosafety level. Any deviation from these provisions is not permitted and must be corrected by the provider until operating conditions are achieved that meet biosafety requirements and are declared passed by an independent tester. 9.2 TECHNICAL REQUIREMENTS FOR BSL-2 and ABSL-2 ENHANCED AIR CONDITIONING SYSTEMS 1) Air Flow Requirements and Pressure Relations The air conditioning system must guarantee: ● Air flow moves from clean areas to the dirtiest areas according to biosafety principles. ● There is no backflow from high-risk rooms to lower-risk rooms ● The pressure relationship between the BSL-2 and ABSL-2 Enhanced laboratory spaces is maintained stable at all times, including under conditions of load changes or door movements. ● Differential pressure values ​​must be able to be monitored continuously and recorded through the building management system. ● A pressure loss prevention system must be in place to prevent undetected deviations. 2) Filtration Requirements for Supply Air and Exhaust Air ● The supply air to the laboratory room must be equipped with initial and intermediate stage air filters according to the filtration class applicable to biosafety laboratories. ● Exhaust air from laboratory rooms and vivariums must pass through high-efficiency particulate filters. ● High-efficiency particulate filtration must include a closed replacement system to prevent exposure. ● No recirculation of laboratory air back into the supply system is permitted. ● The exhaust air line must be released to the outside air in a discharge position that does not pose a risk of exposure or re-entrainment. 3) System Integration and Control Requirements ● All pressure, temperature and flow measurement devices must be integrated into the building management system to support monitoring, safety alarms, historical recording and biosafety audits. ● Air conditioning systems must be equipped with automatic controls that prevent critical parameters from drifting undetected ● Mechanical controls and automation must be compatible with electrical systems, emergency protection and power backup systems. ● Operations should not rely on manual intervention to maintain basic laboratory safety. 4) Testing, Verification and Operational Feasibility Requirements ● All design, installation and operation of air conditioning systems must be verified through design testing, installation testing and operational testing before being declared fit for use. ● Mandatory testing includes air flow adjustment and balancing, integration testing with building management systems, as well as robustness testing against failure scenarios. ● Final testing must be carried out by an independent examiner with international recognition. ● The system can only be considered to meet the requirements if all test results are declared passed, proven through official documentation, and submitted as part of the handover process. 5) Requirements for Operational Reliability and Resistance to Disturbances Air conditioning systems in BSL-2 and ABSL-2 Enhanced zones must have a level of reliability that ensures that the biological containment function is not lost in the event of operational disruption. The minimum conditions that must be met include: ● The system must be able to operate stably under full load and partial load conditions without causing deviations in the pressure relations between spaces. ● In the event of failure of any component (e.g. fan, controller, or heat sink), the system must have fail-safe settings that prevent negative pressure loss or air backflow. ● The system should not rely on manual intervention to maintain basic laboratory safety functions; durability must be achieved through engineering design, not operator operations. ● In the event of a power loss, a connected backup system or other protection mechanism must ensure that the pressure connection remains safe until the power supply returns to normal. ● Any post-disturbance recovery mechanism must not result in pressure, flow, or vibration surges that have the potential to harm experimental animals, test materials, or the safety of laboratory personnel. 6) Compliance Requirements with Biosafety and Ventilation Standards All design, installation and testing of air conditioning systems must be proven to meet biosafety standards and laboratory facility ventilation standards. These compliance provisions are mandatory and binding, with details: ● Technical provisions for air conditioning systems must be in accordance with laboratory biosafety guidelines, research laboratory facility design guidelines, ventilation standards for laboratory spaces, as well as applicable national regulations. ● Biosafety requirements must take priority over thermal comfort and energy efficiency requirements if there is a conflict between standards. ● Technical design documents, system calculations and detailed drawings must demonstrate conformity to these standards before work can be carried out. ● Field test, measurement and verification results must show that the installed system functions according to biosafety and ventilation standards, and is supported by valid written evidence. ● Proof of compliance with standards becomes part of the terms of handover; Failure to meet standard requirements requires the provider to make corrections until it is declared passed by the appointed party. 9.3. Air Handling Unit Technical Requirements ● The contractor is obliged to provide, produce, deliver, install, test, commission, and deliver the Air Handling Unit (AHU) system and its accessories until they are fully functional in accordance with the technical requirements, biosafety standards, and minimum performance specified in this document. ● The AHU provided by the Contractor must be specifically designed for infectious laboratory applications (BSL-2 and ABSL-2 Enhanced) with the characteristics of 24/7 continuous operation, high reliability, ease of maintenance, and compliance with all applicable international standards without exception. ● The contractor is obliged to ensure that all AHU components — including casing, filter housing, fan, coil, heater, duct interface, access panels, measuring instruments, and electrical panels are produced and installed with fabrication quality that guarantees tightness air, prevention of cross contamination, material durability, and compatibility with biological risk laboratory environments. ● The contractor is obliged to guarantee that airflow integrity, air-tightness, and thermal and humidity control can be achieved according to the minimum performance specified for each zone. ● All implementation activities, including fabrication, delivery, installation, testing and commissioning of AHU, must be carried out by the Contractor by referring to contract documents, technical standards, approved implementation schedules, as well as applicable safety and biosafety procedures. ● The Contractor is fully responsible for the quality of the work results until the Handover Minutes are issued stating that the AHU has passed inspection, testing and commissioning in accordance with the Acceptance Criteria in this document. The minimum technical specifications for AHU which are divided into 4 zones are as follows: 1. AHU Human Infectious Laboratory Central Corridor Zone ● Minimum total air flow rate: ≥ 28,154 m³/hour ● Filtration : G4 F8 ● Minimum external static pressure : ≥ 750 Pa ● Number of DX coils: 6 rows ● Minimum total cooling capacity : ≥ 640 kWth ● Coil inlet air condition: 33°C / 80%RH ● Coil exit air condition: 11°C / 98%RH ● Minimum electric reheater capacity: ≥ 115 kWth ● Fan control: VSD with continuous performance monitoring 2. AHU Animal Infectious Laboratory Zone ● Minimum total air flow rate: ≥ 20,351 m³/hour ● Filtration : G4 F8 ● Minimum ESP : ≥ 750 Pa ● DX coil: 4 rows ● Minimum cooling capacity : ≥ 463 kWth ● Leaving coil : ≤ 11°C at high humidity ● Minimum heating: ≥ 83 kWth ● Fan controlled by VSD to maintain supply and space pressure difference 3. AHU Animal Holding Zone ● Minimum total air flow rate: ≥ 31,510 m³/hour ● Filtration : G4 F8 ● Minimum ESP : ≥ 750 Pa ● Coil DX : 6 rows ● Minimum cooling capacity : ≥ 760 kWth ● Minimum heating: ≥ 130 kWth ● Minimum two fan motors for operational redundancy 4. AHU Animal Holding Ruminant Zone ● Minimum total air flow rate: ≥ 22,000 m³/hour ● Filtration : G4 F8 ● Minimum ESP : ≥ 750 Pa ● DX coil: 4 rows ● Minimum cooling capacity : ≥ 476 kWth ● Minimum heating: ≥ 82 kWth ● VSD controlled fan, IE-2 motor, IP55 enclosure The following is a grouping of rooms according to zones that have been arranged based on Biosafety levels: D Animal Holding Laboratory No Zone with Room Name Animal Holding A Human Infectious Laboratory 1 Transfer Room 1 Human Bacteriology Infectious laboratory 2 Quarantine Room Bacteriology Laboratory 1 Bacteriology Laboratory 2 Anteroom Quarantine Anteroom Isolation Room (inside Quarantine Room) 2 Human Virology Infectious laboratory 3 Animal Room - Rodent 1 Virology Laboratory 1 Anteroom Virology Laboratory 2 Procedure Room Anteroom 4 Animal Room - Rodent 2 3 Human Mycology Infectious laboratory Anteroom Anteroom Procedure Room 4 Human Parasitology Infectious laboratory Anteroom 5 Animal Room - Poultry 5 Human Serology Infectious laboratory Animal Room - Poultry 1 Anteroom Procedure Room 6 Autoclave Animal Room - Poultry 2 7 Corridor Procedure Room 8 Transfer Room Anteroom B CENTRAL CORRIDOR 6 Anteroom Emergency Exit 1 Corridor 2 Change Room In and Out Male 7 Animal Control Room (Negatif) 3 Change Room In and Out Female Anteroom 4 Laundry Room 8 Observation Room 5 DNA Extration Room Anteroom Anteroom 9 Tissue digester Room 6 Master Mix and Mixing Room 10 Autoclave Room Anteroom Anteroom 7 PCR and Gel Document Anteroom 11 Cool room 9 Anteroom Emergency Exit 2 12 Waste holding room 10 Break Room 13 Clean Area 11 Toilet 14 Transfer Room 12 Biological Agent Storage 15 Fish Infectious Experiment C Animal Infectious Laboratory Anteroom For Sample 1 Animal Bacteriology Infectious laboratory Incubation Room Bacteriology Laboratory 1 Procedure Room Bacteriology Laboratory 2 Anteroom Storage 2 Animal Mycology Infectious laboratory Infectious Room Anteroom Anteroom For Human 3 Animal Serology Infectious laboratory 16 Corridor Anteroom 17 Propagation Room 4 Animal Parasitology Infectious laboratory Anteroom Anteroom 18 Janitor Animal Virology Infectious laboratory 19 Change Room Male Virology Laboratory 1 Clean and Shower Room 1 Virology Laboratory 2 Clean and Shower Room 2 Anteroom Contaminate Change Room 1 5 Candling Room Anteroom Contaminate Change Room 2 6 Propagation and Incubation Room 20 Change Room Female Anteroom Clean and Shower Room 1 7 Ultracentrifuge Clean and Shower Room 2 Anteroom Contaminate Change Room 1 8 Autoclave Contaminate Change Room 2 9 Corridor 21 Transfer Room 10 Transfer Room 9.4. KONSTRUKSI CASING ● The outer side of the panel must be made of galvanized steel sheet with a thickness of at least 1 mm and finished coated with RAL 7035 powder coating. ● The inner side of the panel must be made of galvanized steel sheet with a thickness of at least 1 mm and finished coated with RAL 7035 powder coating. The inside floor of the unit must be made of Stainless steel SS304. With a thickness of 1mm ● Must be equipped with internal lighting (internal luminaires) of a type that is resistant to the conditions that occur inside the AHU casing. The internal position of the luminaire is adjusted to the position of the access door which has a peephole [sight glass]. Equipped with an on-off switch on the outside and protected. ● The unit must be equipped with a baseframe with a minimum height of 120 mm which provides support for the entire unit at points as needed. ● Equipped with holes for lifting. ● The inner frame of the AHU unit follows the specifications of the inner material of the AHU unit. ● Equipped with a certificate from Eurovent with minimum parameters: − Casing Strength : D1(M) − Casing Water Leakage -400 Pa : L2(M) − Casing Water Leakage 700 Pa : L2(M) − Leakage Bypass Filter : F9(M) − Thermal Transmittance: T2 − Thermal Bridge: TB1 9.4.1 Cooling System 1. Type: DX according to submittal; copper tubes and aluminum fins configuration as standard. 2. Tube: Seamless copper Ø outer 3/8ʺ–1/2ʺ, wall thickness ≥ 0.35 mm (min.). 3. Fin: Aluminum, thickness ≥ 0.10 mm; fin density 8–14 FPI (or equivalent sizing result); hydrophilic/epoxy/E-coat options for corrosive environments. 4. Header/Manifold: Copper/red brass with sweat/grooved/flange nozzle according to shop drawing. 5. Casing/Side plate: Galvanized/stainless steel depending on hygienic class; Edge protected to prevent fin damage. 6. Drain Pan: Stainless steel AISI 304/316, single-slope, rounded corners, VDI 6022 compatible, capacity to accommodate peak condensate discharge; Minimum outlet 2×Ø32 mm (redundant) complete with trap and inspection. 7. Minimum Technical Specifications: 1) Nominal capacity: 420,400 Btu/h – 458,600 Btu/h per circuit. 2) Compressor: hermetic scroll inverter, high efficiency Min COP 4.1. 3) Input power: ± 27.6 – 31.8 kW per unit. 4) Condenser: 4-side heat exchanger type with anti-corrosion black fin coating. 5) Condenser Fan: BLDC Inverter, Propeller Fan. 6) Refrigerant: according to AHU coil (R407C or R410A). 7) Connection pipe: suction 15/8” (41.3 mm) and liquid 3/4” (19.05 mm). 8) Protection system: high/low pressure, overload, anti-short cycle, antifreeze. 9) Casing: galvanized with powder coating, corrosion resistant class C3. 10) Installation Materials ● Refrigerant pipe: ASTM B280 seamless copper. ● Refrigerant pipe insulation: closed-cell nitrile rubber, density 40–70 kg/m³, thermal conductivity ≤ 0.036 W/mK, temperature resistant -50 °C to 105 °C. ● Condensate pipe: uPVC class AW, diameter 1½”, thickness 2.3 mm, length ± 32 m. ● Power and control cable: − NYY main cable. − Panel to Outdoor Unit NYY 4 × 35 mm². − Panel to Exhaust Fan. − NYY control cable 6 × 1.5 mm² ± 40 m. − Communication Cable AWG 18 (Shieldied Twist)cal ● Electrical panel: MCCB, MCB, CT, earth fault relay, busbar, pilot lamp, time switch, relay, IP55 box according to detailed specifications. 9.4.2 Fans and Motors 1. Fan function in AHU The fan is tasked with producing the air flow and static pressure needed to overcome all pressure losses in the AHU components and ducting network, so that the air supply meets the design discharge, flow pattern and pressure relations between zones. In the Robatherm units selected for this project, the fan works as a plug-fan (direct drive) on the supply side to drive air flow against external static pressure of up to 750 Pa per unit. 2. Type and Model of Fan ● Impeller type: Plug-fan (centrifugal impeller without scroll housing). Execution of the impeller material is coated steel. Examples of impeller diameters used in the selection package: Ø500 mm, Ø710 mm, Ø800 mm. ● Drive coupling: Direct-coupled (factory-coupled motor) without belt for efficient and precise speed control. ● Default factory accessories: IP55 frequency converter (VSD) with service switch according to motor rating (e.g. 7.5–15 kW), sheathed/shielded cable from motor to VSD, speed control/adjuster, and PTC thermistor on motor. 3. Fan Drive Motor ● Motor type: IE3 AC squirrel cage induction (TEFC), 3-phase, nominal frequency 50 Hz. System supply voltage 380–400 V, 3Ph, 50 Hz (according to Indonesian electrical practices and manufacturer's 400 V selection data). ● Temperature protection: The motor is equipped with a PTC thermistor for over-temperature/overload detection ● Speed control: Via VSD/FC (frequency converter); The operating frequency varies according to the working point (for example 48–76 Hz on various sizes), so that the flow rate can be adjusted proportional to needs. ● Monitoring and control integration: VSD operating status (frequency, current, alarms) must be able to be monitored by the air conditioning control system/BMS (RKS requirements). Factory accessories include motor–VSD shielded wiring for EMC compatibility. 4. Fan Capacity and Performance The following minimum performance specifications are for units commensurate with the project capacity range according to the zone in the laboratory, namely: • Human Laboratory and Central Corridor ZONE Exhaust fan with capacity 30,395 m3/h with casing Velocity 4.6 m/s @ESP 1,000 Pa total pressure 1,331 Pa Fan power consumption 15.99KW with 18.5KW motor operating speed ≈ 1459 rpm; SFP 1,863 Ws/m³; (SFP4); System Efficiency ≈ 63.19% impeller Ø800 mm; motor capacity 18.5KW, 400V AC-IE3 4 pole. • Laboratory Animal Infectious ZONE Exhaust fan with a capacity of 23,382 m³/hour with casing velocity 6.66 m/s @ESP 1,000 Pa total pressure 1,339 Pa, fan power consumption 12.42 kW with 15 kW motor, operating speed 1,627 rpm; SFP 1,880 Ws/m³ (SFP4); system efficiency ≈ 62.98% impeller Ø710mm; motor capacity 15.0 kW, 400V AC-IE3 4 pole. • Animal Holding ZONE Exhaust fan with a capacity of 36,845 m³/hour consists of 2 fans with a capacity of 18,422 m³/hour with casing velocity 2.15 m/s @ESP 1,000 Pa total pressure 1,824 Pa, fan power consumption for each fan is 9.85 kW with 11 motors kW, Operating speed 1,627 rpm; SFP 1,893 Ws/m³ (SFP4); system efficiency ≈ 62.23% impeller Ø630mm; motor capacity 11.0 kW, 400V AC-IE3 4 pole. • Romanian Animal Holding ZONE Exhaust fan with a capacity of 26,000 m³/hour with casing velocity 2.4 m/s @ESP 1,000 Pa total pressure 1,292 Pa, fan power consumption per fan 13.43 kW with 15 kW motor, operating speed 1,360 rpm; SFP 1,825 Ws/m³ (SFP4); system efficiency ≈ 64.2% impeller Ø800mm; motor capacity 15.0 kW, 400V AC-IE3 4 pole. RKS minimum requirements: − Minimum static efficiency ≥ 60 % (in line with the manufacturer's selected “system efficiency” which is in the range of ~63–65 %). − VSD must regulate fan rotation proportionally to space load requirements; The control frequency is regulated by the air conditioning control system/BMS. − VSD monitoring (frequency, current, status) integrated into the BMS 5. Fan Material and Construction ● Impeller and fan components: Coated steel execution; typical component length 1.02–1.326 m; component weight 117–271 kg (depending on size). Casing/mounting set from galvanized steel, coated. ● Motor and electrical rating: Nominal current example 14.9–28.7 A @ 400 V; nominal motor speed ≈ 1,460–1,470 rpm; IE3. ● Manufacturer standard accessories: IP55 VSD with service switch, motor–VSD shielded cable, speed control, PTC thermistor, and measuring line for pressure/performance differential measurement/calibration. 6. Fan Installation System ● Installation and Vibration Dampening − The plug-fan unit must be installed on a suitable vibration isolator/anti-vibration base, to prevent vibration transmission to the AHU frame/building structure. ● Balancing − Each impeller must be statically and dynamically balanced at the factory according to industry standards; balancing results are verified during factory tests (FAT) and/or commissioning in the field (run-test, vibration and current). ● Motor Coupling and Protection − Direct-coupled (factory-coupled); Belt transmission is not permitted. The motor is equipped with a PTC thermistor connected to the VSD for temperature protection. ● Cabling and EMC − Shielded wiring from the motor to the VSD is mandatory for electromagnetic compatibility; cable routes are separated from signal control cables. (Accessories available from manufacturer). ● Control and Monitoring − IP55 VSD frequency is controlled by the air conditioning/BMS control system (AO/Modbus/BACnet as per design), with monitoring points: frequency, current, run/fault status and alarms. ● Field Performance Criteria (Site Acceptance) − At the design operating point, each fan must achieve the discharge and ESP according to the manufacturer's selection with an SFP not exceeding the selection value (reference example 1,743–1,880 Ws/m³; class SFP4). − Minimum efficiency: Static/system efficiency ≥ 60 % (verified via electrical readings and anemometry/pressure test). − Noise and vibration meet the design threshold (proven by SPL measurements near the fan casing according to the manufacturer's sound table as a reference for commissioning). 9.4.3 Filtration • Must be equipped with a class G4 pre filter according to EN 1822 standard. • Must be equipped with class F8 filter medium according to EN 1822 standard. • The pre filter and medium filter are equipped with a Differential Pressure Transmitter which is connected to the BMS to provide an indication of the filter condition. • The number and size of filters follow the standard filters available with sizes 592x592mm for size 1/1 and 287x592 for size ½ 9.4.4 Condensate Drainage • Drain pan is made of SS-304 stainless steel, 1.2mm thick • It should be easy to clean and slope in the direction towards the drain hole. The surface should be smooth, there should be no sharp corners, and no areas that cannot be reached. • Equipped with gooseneck connection • The condensate drain pipe uses AW class PVC pipe 9.4.5 Instrumentation and Control Operationally, the Air Handling unit is controlled by an integrated system with Air Management Control. • On/Off Fan is operated centrally via BAS, and/or with manual hand-on on the Inverter • Overload Protection: MCCB/MCB thermal overload relay is provided for motor protection. • Indicator Lamp: Shows fan ON/OFF status. • Coil operation is controlled based on dew point temperature • Operational Electric Heater is regulated using a Silicon Controlled Rectifier. 9.4.6 Minimum Performance • Minimum actual air flow follows AHU technical data (tolerance -5%). • External static pressure 750Pa • Leaving air temperature: 11 °C ± 0.5 °C. • Filtration efficiency: G4 (25–30%) and F8 (80–85%). • Casing leakage is 0.63l/sm2 at a pressure of 700Pa and 0.44 l/sm2 at a pressure of -400 Pa. • Maximum room noise up to 36dB. 9.4.7 Implementation Methodology 1. Preparation for Implementation ● The contractor is required to prepare and submit Shop Drawings, Implementation Methods, and detailed Work Schedules for approval before the start of fabrication and installation. ● All AHU materials, components and control devices that will be used must be submitted via Material Submittal and obtain approval before installation. 2. Fabrication and Delivery ● AHUs must be fabricated in facilities that have a documented quality system and comply with technical standards. ● The contractor is obliged to ensure that during delivery, the unit is protected from excessive vibration, impact, panel deformation and interior contamination. 3. Field Installation ● The AHU installation is carried out by the Contractor on a permanent stand with vibration dampening, including ducting, coil piping, heater, instrumentation and power supply connections according to standards. ● All air connections must use sealing to prevent leaks and maintain air flow integrity. 4. K3 and Biosafety ● Contractors are required to implement K3 procedures, energy isolation (LOTO), and prevent interference with other laboratory spaces that are already operating. 9.4.8 Testing 1. Initial Inspection The contractor inspects the casing, service panel, fan mounting, filter housing, coil, heater and drain tray to ensure there are no manufacturing or installation defects. 2. Leak and Pressure Test Carried out by the Contractor, in accordance with EN 1886 or equivalent, to ensure that the casing leakage level is within the required class limits. 3. Fan and Motor Performance Test The contractor verifies the rotation direction, vibration, balancing, VSD frequency, and motor protection function before the system is in operation. 4. Test Coil and Heater The contractor proves that the cooling reaches the leaving coil according to the minimum limit and the reheating works stably at the set point. 5. Instrumentation Test The Differential Pressure Gauge, temperature sensor and VSD control are checked for accuracy before integrated commissioning. 9.4.9 Commissioning 1. Balancing Airflow The contractor adjusts the airflow using VSD and dampers until it meets the minimum value per zone. 2. System Stabilization The contractor operates the AHU to steady-state to prove the stability of temperature, humidity and pressure between spaces in accordance with biosafety. 3. Integrated Commissioning Carried out by the Contractor together with the Works Director to ensure integration with the air and exhaust control system. 4. Documentation All commissioning results are recorded, signed by the Contractor, and submitted for assessment by the Works Director. 9.4.10 Acceptance Criteria An AHU is declared ACCEPTED only if all of the following points are met by the Contractor: 1. Actual performance reaches or exceeds minimum values ​​(airflow, ESP, cooling capacity, leaving air, heater, filtration). 2. No leaks, deformations, excessive vibrations, or deviations in structure and function were found. 3. The functions of the fan, motor, heater, instrumentation and control system are valid and work consistently. 4. All test and commissioning results comply with performance limits and are approved by the Works Director. 5. All final documents (as-built, test report, commissioning log, OandM manual) are handed over completely by the Contractor. 6. If there are parameters that are not met, the Contractor is obliged to make corrections without additional costs until they meet the standards. 9.5 TECHNICAL REQUIREMENTS FOR AIR EXHAUST SYSTEMS 1. General Provisions The exhaust system (Exhaust System) is a critical part of the bio-containment security (biosafety barrier) in BSL-2 / ABSL-2-E laboratories, functioning to ensure that air from medium to high risk rooms is discharged safely outside the building, without the opportunity for re-circulation into the building and without reverse-flow to a cleaner area. The exhaust system must support continuous operation 24/7, ensure that negative space depressurization is maintained in normal conditions or disturbance mode, and fulfill the requirements for steady-state testing and dynamic disturbance tests in accordance with the provisions for inter-space pressure control. The entire exhaust series includes: Exhaust Unit (casing), Fan, HEPA/BIBO Housing, isolation damper (air-tight), high-risk ducting, hygienic silencer, roof-discharge stack, sensors, and control integration via BMS. 2. Exhaust Unit Casing Technical Requirements ● Outer Side Panel Material ● The outer casing panel must be made of galvanized steel sheet ≥ 1.0 mm thick and finished with powder coating in RAL 7035 color, corrosion resistant and disinfectant resistant. ● Inner Side Panel Material ● The inner side panels of the unit must be galvanized steel sheet ≥ 1.0 mm thick, powder-coated RAL 7035 to ensure internal hygienic integrity and prevent particulate contamination. ● Inner Floor Material ● The base/inner floor of the unit must use SS-304 Stainless Steel ≥ 1.0 mm thick, non-porous, non-shedding, and compatible with chlorine, quats, or peracetic based disinfectants ● Internal Lighting The casing must be equipped with internal luminaires of a corrosive and hygienic type, placed in a position that is aligned with the access door which has a sight-glass. The On/Off switch is placed on the outside of the unit in the protective housing 3. Mechanical Performance and Leakage Exhaust Unit casings must have a Eurovent certificate with a minimum class: ● Casing Strength : D1(M) ● Casing Leakage -400 Pa : L2(M) ● Casing Leakage 700 Pa : L2(M) ● Leakage Bypass Filter : F9(M) ● Thermal Transmittance : T2 ● Thermal Bridge : TB1 This standard must be attached to the product. 4. Exhaust Fan Technical Requirements A. Type and Construction ● Fans must be plug-fan type — direct-drive without belt transmission. ● Coated steel impeller material, equipped with static and dynamic factory balancing. ● The unit is mounted on a vibration isolator to prevent vibration transmission to the structure. B. Motor and Control ● IE3 motor, 380–400V, 3Ph, 50Hz, PTC thermistor protection, TEFC. ● Fan controlled by VSD and integrated BMS via MODBUS/BACnet. ● Mandatory parameters monitored: frequency, current, run/fault status, temperature alarm, trip alarm C. Minimum Performance ● Minimum ESP at design point ≥ 1000 Pa ● Static / System Efficiency ≥ 60% (field verification) ● SFP class ≤ SFP4 according to zone selection table ● Noise and vibration complicate SAT verification results 5. Biosafety Installation and Integration Requirements ● 100% Exhaust to Outside ● Recirculation of exhaust air is prohibited; all exhaust goes to the roof (roof stack up-blast), not to the side of the facade ● Airtight Isolation and Damper ● Each branch leading to the risk room is equipped with an Air-Tight Damper which can be operated automatically via BMS for biosafety isolation purposes ● HEPA/BIBO integration ● For high-risk lines, exhaust must go through BIBO HEPA housing with Bio-Seal; housing supports on-site leak test without disassembly. ● Air-Tight Construction ● All duct-unit connections must be air-tight, using non-permeable hygienic gaskets and disinfectant-resistant sealants 6. Testing and Acceptance Requirements A. Casing and Leakage Pressure Test Tested at -400 Pa and 700 Pa for Eurovent L2(M) class verification B. Fan Function Test and Control Integration Verify discharge, ESP, SFP, VSD response to BMS commands C. Uji Biosafety Performance A steady-state disturbance test (dynamic disturbance) is carried out: ● opening of the anteroom door, ● supply/exhaust fan trip, ● switching modes, ● load changes, With the ΔP criteria, no runaway, no reverse-flow occurs, and the system re-stabilizes within the time limit according to the acceptance test 7. Final Handover Criteria An Exhaust System is declared accepted if: ● Eurovent casing classes met (D1/M, L2/M, F9/M, T2) ● Fan performance meets the capacity and SFP selection of the FAN - EU Technical Specifications ● 100% exhaust, no re-circulation path ● BIBM HEPA works and housing passes test ● Steady-state and dynamic disturbance tests passed without reverse-flow ● All control and alarm functions are recorded in the BMS 8. ROOF DISCHARGE and ANTI-RE-ENTRAINMENT A. General Provisions ● The roof discharge system is the final link in the risk laboratory air exhaust pathway. Even though the flow has passed through BIBO HEPA (H14), all ducts and components after BIBO are still treated as biohazard-rated until they exit into the atmosphere (roof), so that there is no latent risk due to leaks, incorrect installation or seal degradation. ● Roof exhaust configuration uses a rain-cap type exhaust terminal (rain protection) with upward discharge and comprehensive weatherproofing. No discharge to the side of the facade, horizontal louvers, or side-wall discharge is permitted. B. Aerodynamic Design and Layout Requirements ● The direction of the vertical blow is up (up-blast) through the rain-cap; The shape of the rain-cap must prevent back-flow and minimize downwash to the roof surface. ● Effective height of the discharge tip above a flat roof: ≥ 3 m from the nearest roof plane; ≥ 10 m from the nearest intake or fresh air opening; priority horizontal distance ≥ 15 m if the height is not reached (select a more technically stringent value on the working drawings). ● Orientation away from residential areas, make-up air, fume hood intake, smoke control intake, stair pressurization intake. ● Flow arrows and biohazard signage are placed in ducts/terminals, visible from service access. C. Rain-Cap Terminal and Equipment ● Type: Rain-cap with upward discharge, without bird-screen on the main line (to avoid fouling and pressure drop), except for a special and easy-to-clean bird-guard on the drain path. ● Material: minimum SS304 or thick galvanized steel with powder-coating equivalent to RAL 7035 for consistent equipment architecture; all connections are fully sealed. ● Drain and weep-hole: provide an internal drain to channel rainwater caught by the rain-cap to the roof drain pipe; it is prohibited to leak into the roof space. ● Flange and gasket: use non-porous, disinfectant-resistant, UV-resistant and non-shrinking hygienic gaskets. D. Integration with Exhaust and BIBO ● Fans carrying this path must achieve design ESP (selection reference: up to 1,000 Pa), SFP class SFP4, and system efficiency ≥ 60% at the operating point, verified during SAT. ● BIBO is placed upstream of the roof terminal with as little run duct as possible after the housing; It is prohibited to install components that have the potential to create a by-pass path after BIBO. ● Airtight dampers (isolation) are positioned at the branch leading to the room (not on the roof) according to the isolation strategy; its status remains monitored during any testing. E. Implementation Method and Field Test ● Installation: rain-cap terminals are factory-assembled or shop-fabricated according to the drawings; all joints are treated with non-shedding and weather-grade sealant. ● Steady-state test: verify fan discharge/ESP/SFP at design point; The inter-chamber ΔP must remain within the pressure matrix. ● Dynamic (disturbance) test: anteroom door open/close, supply/exhaust fan trip, mode switching, and load changes; no reverse-flow should occur; TTR and MD according to the Commissioning chapter criteria. F. Acceptance Criteria ● Weatherproofing passes light hose-test (or proof of factory certification) without seepage. ● Duct and terminal pass air-tight test; biohazard signage installed. ● Performance meets EU/Fan and SFP capacity and room ΔP; trend-log BMS shows post-disturbance stability. 9. CHAPTER — BIBO HEPA (BIO-SEAL BAG-IN/BAG-OUT) A. Scope and Objectives Work includes supply, delivery, integration and testing of the HEPA Filter Housing Bag-In/Bag-Out (BIBO) System for the BRIN Infectious Disease Laboratory ventilation system, including but not limited to: • Provision of BIBO units with all accessories (housing, HEPA filter, damper, test port, bag, etc.). • BIBO integration into existing ducting networks and fan systems. • Implementation of factory and field tests (FAT and SAT) according to standards. • Submission of technical documents, certificates, shop drawings, as-built and OandM manuals. Purpose: Ensure that the HEPA filter replacement process is carried out safely (containment) without releasing contaminants into the service room or the environment, and ensures that the laboratory exhaust system functions according to biosafety principles and long-term reliability. B. Design Standards and Brand Equality The BIBO system must meet the following minimum standards and conditions: • ASME N510-1995 – Testing of Nuclear Air-Cleaning Systems (mandatory). • ISO 14644-3 – Testing and airflow containment (where applicable). • ISO 14644-7 – Containment enclosures. • SMACNA – HVAC Duct Construction Standards. • NIH Design Requirements Manual – High-Containment Filtration (reference). • ASHRAE regarding laboratory ventilation systems. Allowed alternative (equivalent) brands: AAF - Astro BIBO, Camfil – GlidePack BIBO, Pall / Air Techniques Internationa, Terra Universal Conditions for equality: • Original Bag-In/Bag-Out system with BIBO ring and PVC sleeve or equivalent, capable of maintaining containment when changing filters. • Minimum housing material SS304, thickness ≥ 2.0 mm, stainless steel door access with double-gasket sealing, and smooth inner surface without dead-spots. • Capable of working at a minimum static pressure of 10” w.g. without leaks. • Has a bubble-tight damper at the inlet and outlet, with an actuator of at least Belimo quality. • Mandatory test features: differential pressure gauge per stage, aerosol injection port, upstream and downstream sampling ports, manual scan probe, and decontamination port. • Uses HEPA H14 filter (≥ 99.995% @ MPPS) with factory test certificate. • Must submit equivalency matrix (material, thickness, capacity, test features, damper, housing strength) and project references. • Must include an ASME N510 conformity test certificate or equivalent. C. Minimum Technical Specifications a. General requirements The following section combines all general parameters, namely as follows: • Housing Material, Construction, and Basic Performance (Required for All Units) o Housing material: Stainless Steel SS304. o Panel thickness: minimum 2.0 mm. o Access door: SS304, double gasket, chemical resistant. o Installation: Vertical mounting. o Housing is equipped with lifting lugs. o All inside corners must be smooth (cleanable surface). o Equipped with Transition duct inlet and outlet. o The system must operate at 10” w.g. pressure without leaks. • Mandatory Features and Accessories (All Units) o Differential analog pressure gauge for each filter stage. o Electric bubble-tight damper at inlet and outlet with actuator equivalent to Belimo NM230A 2SA. o Aerosol injection port. o Upstream sampling port. o Downstream sampling port. o Manual scan probe port for HEPA integrity. o Decontamination of ports. o PVC bag for initial replacement cycle. • HEPA Filter Specifications (Used for All Units) o Referring to the filter information that appears in the document: o Filter type: HEPA H14 (≥ 99.995% @ MPPS). o Frame material: SS304, double-flange model. o Gasket: Neoprene, gasket location: AES. o Faceguard: two sides (bothside). o Standard filter sizes used: - 610 × 305 × 292 mm - 610 × 610 × 292 mm o The number of filters is adjusted to the configuration of each unit. b. Minimum Technical Specifications Bag In Bag Out: • BIBO UNIT 1 o Air capacity: ≥ 30,395 CMH o Operating pressure: 10” w.g. o Minimum housing dimensions: approx. 2600 × 3200 × 1400 mm (may vary as long as it does not reduce function) o Filter configuration: 4.5 × 2 cell equivalent (or filtration area ≥ base unit) o Must have all complete BIBO features: DP gauge per stage, bubble-tight damper, aerosol test port, sampling port, decontamination port, transition duct, scan probe, and PVC bag. o Housing SS304, t ≥ 2.0 mm. • BIBO UNIT 2 o Air capacity: ≥ 23,382 CMH o Operating pressure: 10” w.g. o Minimum dimensions of housing: approx. 2400 × 2500 × 1400 mm o Filter configuration: 3.5 × 2 cell equivalent (or equivalent/larger filtration area) o Must have all complete BIBO features: DP gauge per stage, bubble-tight damper, aerosol test port, sampling port, decontamination port, transition duct, scan probe, and PVC bag. o Housing SS304, t ≥ 2.0 mm. • BIBO UNIT 3 o Air capacity: ≥ 36,845 CMH o Operating pressure: 10” w.g. o Minimum dimensions of housing: approx. 2900 × 3900 × 1400 mm o Filter configuration: 5.5 × 2 cell equivalent o Due to large capacities, alternative units must provide a minimum equivalent filtration area to avoid increased face-velocity. o Housing and door material = SS304 t ≥ 2.0 mm. o Must have all complete BIBO features: DP gauge per stage, bubble-tight damper, aerosol test port, sampling port, decontamination port, transition duct, scan probe, and PVC bag. • BIBO UNIT 4 o Air capacity: ≥ 26,000 CMH o Operating pressure: 10” w.g. o Minimum dimensions of housing: approx. 2500 × 2800 × 1400 mm o Filter configuration: 4 × 2 cell equivalent o Housing material SS304, t ≥ 2.0 mm. o Must be equipped with a bubble-tight damper, DP gauge per stage, all test ports, transition duct, scan probe, and PVC bag. 10. BIBO Architecture and Construction BIBO units must have an architectural design that allows: • Two-Stage HEPA or Single-Stage System According to Design o Housing able to accommodate HEPA H14 filter (≥ 99.995% @ MPPS) o Neoprene material gasket, AES location, faceguard on both sides. • Bag-In Bag-Out Sleeve o Must use a bag system made from PVC o Filter replacement is carried out from the safe side (corridor/service side) o Sleeve harus kompatibel dengan port ring standar AAF atau setara • Door and Seal System o Access the filter using the SS304 door o Double gasket sealing o Doors must be resistant to corrosion and chemical disinfection 11. Resilience and Environment • Corrosion resistant for long term use in high humidity environments. • Housing material meets food-grade stainless steel (SS304). • The damper system must be bubble-tight (zero leakage). • The housing must be free from dead-spots and easy to clean. • All components are environmentally friendly and can be decontaminated 12. Test and Monitoring Features The system must have all of the following features: • Differential analog pressure gauge for each filter stage. • Aerosol injection port (PAO/DOP). • Upstream sampling port. • Downstream sampling ports. • Manual scan probe for HEPA integrity testing. • Decontamination of ports. • Transition duct for inlet and outlet (manufacturer provided). • PVC bag for initial bag-in/bag-out process. 13. Location, Access, and Service Ergonomics • BIBO is placed in a secure service room separate from the laboratory room. • Minimum front clearance of 1.2 meters for bag replacement. • Side and rear access adapts to the room configuration and must meet maintenance standards. • Vertical installation, stable, well supported, and easy to disassemble for inspection. 14. Duct, Damper and Fan Integration • Inlet/outlet transition duct must be provided by the contractor. • Bubble-tight dampers must be integrated and tested before commissioning. • The fan/booster fan is not part of the BIBO supply, but the housing must be compatible with system pressures up to 10” w.g. • Joints to ducts must use chemical resistant gaskets and stainless bolts. 15. Testing • Factory Acceptance Test (FAT) o Visual and dimensional inspection. o Verify completeness of ports and accessories. o Proof of ASME N510 certificate submitted. • Site Acceptance Test (SAT) o PAO/DOP upstream–downstream tests. o Housing leak test. o Damper testing (bubble-tight). o Measurement of differential pressure and airflow. o All SAT results are included in the official report. 16. Documentation and Submittal ● Complete shop drawing (layout, air flow, port position, installation direction). ● Technical documents and datasheets. ● HEPA certificate and factory test. ● ASME N510 certificate or equivalent. ● Equivalence matrix when using brands other than AAF. ● OandM manual, spare parts recommendations and maintenance intervals. ● As-built drawing after installation. ● Training: vendors/manufacturers provide BIBO procedure toolbox training to operators. 9.6 INSTALLATION AND WORK EXECUTION REQUIREMENTS • The AHU installation location must be able to withstand the heavy load of the AHU. • Lokasi pemasangan AHU harus memperhitungkan kemudahan perawatan dan perbaikan di masa yang akan datang. • AHUs must not be installed close to heat or steam sources. • AHUs must be installed using concrete stands with a minimum height of 200 mm. • After installation, the AHU must be tested for casing leaks using the same method as testing the air ducts. • AHU testing is carried out to ensure: − Supply air flow rate, − Supply air temperature, − Dew point of supply air, can be kept constant according to the specified design. Testing is carried out based on sensors installed on the BAS which are verified with measuring instruments calibrated. 9.7 TESTING, COMMISSIONING, AND ACCEPTANCE • Air Handling Unit testing is carried out by measuring the total air pressure on the Air Handling Unit • Exhaust Unit testing is carried out by measuring the total air pressure in the Exhaust unit • Commissionig is carried out by measuring the volume of air flow released by the air handling unit. • Acceptance of Air Handling Units and Exhaust Units with a tolerance of 5% of what is required 9.8 DOCUMENTS, AS-BUILT, OandM, AND WARRANTY • Documents included consist of: − Technical data sheet − Detailed image of Air handling Unit and Exhaust fan − Fan curve − Pressure testing on the Coil. • As-built drawings are included at the time of work handover. • Guarantee for 12 months. CHAPTER X TECHNICAL SPECIFICATIONS OF DUCTING WORK 10.1 GENERAL PROVISIONS Air duct work includes designing, providing materials, fabricating, installing, adjusting, testing, cleaning and delivering air duct systems that function to distribute supply air and exhaust air in accordance with the technical requirements of air conditioning systems in BSL-2 and ABSL-2 Enhanced laboratory facilities and other supporting areas. This work must be carried out in accordance with applicable biological safety, work safety and technical standards. The air duct system must be able to maintain the air flow pattern, pressure relationships between zones, and biological containment integrity as designed without leaks, without bypassing the flow, and without causing changes in the characteristics of the filtration system. All materials and installation methods must ensure that air ducts remain tight, easy to inspect, and do not pose a risk of corrosion, contamination, or release of particles into the air stream. The contractor is obliged to carry out all work in such a way that the installed ducting system produces air flow according to the design capacity (flow rate), flow direction, pressure relations between zones (pressure cascade), as well as establishing an air-tight system so that there are no air leaks that have the potential to cause biosafety failure or cross-contamination. Contractors are required to carry out cross-disciplinary technical coordination (architectural, structural, mechanical, electrical, BMS, fire protection) to prevent space conflicts, ensure service access, inspection access, and guarantee system installation according to biosafety ventilation requirements. Ducting work must be carried out by providers who have experience in installing air conditioning systems in laboratory facilities or equivalent risk facilities and follow the air duct fabrication standards, air duct leak testing standards, and installation provisions required by this document. The provider is fully responsible for the technical quality of the work until it is declared to meet the requirements through testing, documentation and handover. All work must be carried out only after the shop drawing, work implementation method (execution method), work schedule, and testing/commissioning plan have been approved by the Supervisor/Assignee. Scope of work This specification is used for all ducting procurement and installation work on mechanical work completely including all equipment and supporting facilities, so that a complete and good installation is produced which has been thoroughly tested and is ready for use. The scope of this installation work is outlined as follows: 1. Procurement, installation and testing of all ducting installations, such as: ● Fresh Air Duct, ● Supply Air Duct, ● Exhaust Air Duct, ● Necessary auxiliary equipment, ● Accessories and so on. 2. Carry out Balancing Testing work for all installed installations so that the installation works perfectly according to the design. 3. Repair all damage and damaged finishing work caused by this installation work. 4. Provide training to officers appointed by the Owner regarding how to run and maintain this installation, so that these officers can actually run and maintain the installation properly. 5. Submit as-built drawings, manuals on how to operate and maintain them as well as complete technical data on installed installation equipment. 6. Carry out regular maintenance of this installation during the maintenance period. 7. Provide a guarantee for installed equipment (minimum 12 months). 8. Carry out work or other provisions stated in this document and its addendum. 10.2 STANDARDS AND REFERENCE DOCUMENTS All air duct work must be designed, fabricated, installed, tested and handed over with reference to technical standards and reference documents applicable to laboratory facilities with biological containment controls. These standards and references at least include: ● SMACNA – HVAC Duct Construction Standards ● EN 1886 and EN 13053 – Mechanical Performance ● EN 16798-3 – Ventilation and SFP Requirements ● ISO 16890 – Air Filtration Classification ● WHO LBM, NIH DRM – Biosafety ventilation principles ● ISO 35001 – Biorisk Management ● SNI and national regulations that apply to laboratory installations and K3 construction If there is a conflict between standards, the biosafety provisions and requirements in this document must take priority. If the standards above do not yet regulate in detail, the provider is obliged to refer to best practice standards recognized in the industry to ensure safety and technical feasibility. 10.3 DUCTING MATERIAL AND FABRICATION REQUIREMENTS All materials, fabrication, connection methods, finishing and labeling must guarantee the integrity of the air envelope (air-tightness), without leaks, without gaps, and fulfill the principle of unidirectional flow from the clean area to the dirtiest area and ensure that the pressure relationship between laboratory zones does not deviate from the designed conditions. Ducting for supply and exhaust flows in high risk areas must be made from materials, connections, sealing systems and corrosion protection that are compatible with the final filtration system (HEPA/BIBO) and safe against biological contamination and compatible with disinfectants. 1) Material The material that must be used for this work is zinc-coated steel with the following table requirements: BJLS Ducting Size (mm) 0 - 450 mm 0.50 451 - 750 mm 0.60 751 - 1000 mm 0.80 1001 - 1200 mm 0.80 1201 - 1500 mm 1.00 1501 - up mm 1.20 2. Turns All bends (elbows) must: a. Made according to the specifications listed in the detailed specifications drawing. b. Of the "Long Radius Elbow" type (unless the location does not allow it). The turns of the main air duct are equipped with guiding angles (Vanes) according to the specifications stated in the detailed specifications. 3. Offset Tappers and Stream Liners If the air duct is forced to pass through unavoidable obstacles, then an offset tapper or stream liner must be made on the air duct according to the detailed drawings and specifications (depending on the location in question). 4. Branching (Branch) All branches must be made in accordance with the detailed specification drawings. All branches from the main air duct must be equipped with an "Adjustable Splitter Volume Damper" which can be adjusted and locked according to the detailed specification drawing. 5. Hole with Door In certain parts of the main air duct, holes with doors (access doors/opening) must be made, for checking and maintaining valves, filter control devices and for measurements on important parts of the air duct (ducting). 6. Hole for Testing At each main outlet air duct and main return air duct, as well as in other places where it is necessary (according to the drawings and specifications), it must be made for testing. 7. Air Extractor On all attachments to the exhaust air diffuser, an "Adjustable Air Extractor" which can be adjusted and locked must be installed, according to the drawings and specifications. a. Duct Stiffeners b. All air ducts whose sides are larger than 50 cm (20”) must be reinforced with cross-breaking and steel reinforcement. c. Reinforcing iron frames must be installed on all four sides of the air duct with the requirements below: Max Size Ducting (mm) Distance Between Iron Reinforcing Elbow Reinforcements (mm) Plain Plate (mm) By Bending (mm) 400 - - - 600 1500 - 25 x 25 x 3 800 1200 1500 30 x 30 x 4 1000 800 1200 40 x 40 x 4 1500 600 800 40 x 40 x 4 2250 600 800 50 x 50 x 5 3000 600 600 60 x 60 x 5 Source: Table 30 Rectangular aluminum ducts, DW/144 2nd Ed. 2013 d. All air ducts (insulated) with the widest side measuring more than 90 cm (36”) and all air ducts (not insulated) with the widest side measuring more than 135 cm (54”), must be provided with longitudinal angle reinforcing iron installed in the middle of the widest side. e. For smaller air ducts, if it turns out that the air duct looks curved during installation, the air duct must be provided with additional reinforcing iron. f. All reinforcing iron installed must be painted with prime coating. 8. Duct Support a. The load of rectangular air duct hangers/supports must meet the following requirements: Max Size Ducting (mm) Distance Between Reinforcements Elbow Reinforcing Iron (mm) Plate Plain (mm) With Bend (mm) 400 - - - 600 1500 - 25 x 25 x 3 800 1200 1500 30 x 30 x 4 1000 800 1200 40 x 40 x 4 1500 600 800 40 x 40 x 4 2250 600 800 50 x 50 x 5 3000 600 600 60 x 60 x 5 Source: Table 16 Supports for rectangular horizontal ductwork, DW/144 2nd Ed. 2013 b. If deemed necessary, the supports/hangers must be installed at shorter distances. c. All air duct hangers and supports must be painted with prime coating and anti-rust paint. 9. Flexible Duct Connector a. The connection between the air duct and the inlet and outlet of the fan must use a flexible duct connector made of fiber. b. Installation of connections must not result in a reduction in the cross-sectional area of ​​the air duct. The parts of the air duct that are connected must be in a straight line, 15 to 25 cm apart. These connections must be secured with strong metal strips so that they do not leak. 10. Flexible Round Duct The Flexible Round Duct installed must be isolated at least 1" in accordance with the rectangular Flexible Round Duct duct insulation. 11. Dampers a. At each branch, the main cable must be installed with an "Adjustable Splitter Damper" which can be adjusted and locked, according to the drawings and specifications. b. At each supply diffuser, griller, register, fresh air in take grille an "Adjustable Volume Damper" must be installed which can be adjusted and locked. This damper must be good enough and resistant to vibration. c. At each designated place, a "Fire Damper" must be installed according to the type, specifications and drawings. The Fire Damper must be made of 10 US Gauge steel plate and must be able to move freely on its axis. Near the fire damper there must be a hole with a door (access door). d. All dampers must be painted with prime coating and rust-resistant paint. 12. Minimum Performance ● Maximum air leakage: ≤ 1% of the total air flow at the test pressure according to the duct class (referring to DW144/SMACNA Class C for medium pressure systems). ● Operating pressure: Ducts and connections are able to withstand working pressures of up to ± 1,000 Pa without deformation or structural leaks. ● Air distribution: Airflow variations between outlets do not exceed ± 5% of the design value after balancing. ● System noise: Noise levels in serviced spaces are maximum NC-40 or as per project limits. ● Vibration: No transmission of excess vibration to the structure or diffuser; installation of flexible connections and isolator hangers effectively dampens vibrations according to ISO 14694 / AMCA 204. ● Insulasi termal: The air temperature drop through the duct is no more than 1°C from the AHU to the outlet at full operating conditions. ● Condensation resistance: The outer surface of the insulated duct is free from condensation at ambient conditions of 24 °C / 60 %RH. ● Mechanical integrity: Hangers, supports and bracing are able to withstand the load of internal pressure isolation ducts with a vertical deflection of ≤ 10 mm per 3 m span. ● Neatness and access: All access panels, dampers and joints are easy to reach for inspection/cleaning without damaging the surrounding finish. 10.4 TECHNICAL REQUIREMENTS FOR DUCTING WORK 1. Fresh Air Duct 1.1 Function of the Fresh Air Duct System The fresh air duct system functions as an outdoor air supply route to the Air Handling Unit (AHU) or a certain room to ensure indoor air quality (IAQ) and meet laboratory ventilation standards. Especially for ABSL-2 Enhanced and BSL-2 laboratories or facilities, the fresh air duct system has the following important functions: a. Supplies fresh air continuously to maintain positive/negative air pressure according to biosafety zoning. b. Prevents air recirculation which has the potential to carry biological contaminants. c. Guarantee the supply of clean air according to the minimum standard of fresh air per person (air changes/hour). d. Supports the efficiency of the AHU system and maintains air balance between risky spaces and clean spaces. 1.1. Main Components of a Fresh Air Duct System 1. Plenum Box (Fresh Air Intake Plenum) Function: Transition space to accommodate and channel outside air from the louvre to the main duct or AHU. ● Material: BJLS ● Dimensions: 1000x1000 mm ● Thickness: 0.8 mm ● Access: Equipped with an access panel for inspection and cleaning. ● Interior: Smooth surface, free of sharp joints, and can be equipped with an acoustic lining if needed for soundproofing. ● Fittings: TDC/TDF Flange, joints equipped with neoprene gaskets and weather-resistant sealant. 2. Ducting Function: Channels air from the plenum box to the AHU or mixing box room. ● Material: BJLS ● Dimensions: 800x500 mm ● Thickness: 0.6 mm ● Fabrication and installation standards: Refer to DW144 / SMACNA ● Insulation: Thermal insulation glasswool 25 mm aluminum foil to prevent condensation ● Connection: Using TDC/TDF flange with weather-resistant sealant (mastic) ● Support: Hangers and bracing according to duct load calculations ● Additional function: Maintain air pressure efficiency and prevent infiltration from outside 3. Louvre Fresh Air Intake Function: As an opening for outside air as well as protection from rain, insects and foreign objects. ● Material: Extruded aluminum, Alloy 6063 T5 ● Dimensions: 2100 (W) x 1500 (D) mm ● Thickness: 1 mm ● Finishing: Powder coating / clear anodize (natural) ● Free area 40% ● Airflow: angle 45° 4. Non-Return Damper (NRD) Function: Prevents backflow of air when the fan/AHU stops operating. ● Material: Galvanized Iron (GI) anti-rust sheet ● Dimensions: 600 x 500 mm ● Blade and blade shaft thickness: 1.2 mm ● Blade: 0.6 mm aluminum blade ● Flange: steel thickness equal angles ● Performance: - Opens automatically when there is positive pressure from the outside. - Closes tightly when pressure is lost to prevent dirty air infiltration. ● Installation location: Behind the louvre or at the inlet plenum box. 1.2. Sequence of Component Placement in the Fresh Air Line ● Louvre Fresh Air Intake → receives air from outside the building. ● Non-Return Damper (NRD) → prevents return air from entering the outside of the building. ● Plenum Box → initial holding space before entering the duct. ● Fresh Air Duct → distributes air to the AHU / mixing box / fan intake. This sequence ensures clean, efficient and safe airflow, and protects the AHU system from contamination and overload. 1.3. Instrumentation and Monitoring To ensure optimal performance of the fresh air duct system, it is equipped with monitoring devices: ● Magnehelic Gauge (0–250 Pa): monitors differential pressure on the louvre/plenum side. ● Temperature and Humidity Sensor: to monitor the condition of the incoming outside air. ● Airflow Switch / Differential Pressure Switch: ensures a fresh air supply when the AHU is operating. ● Alarm Interlock: sends a signal to the BMS if the fresh air flow is not achieved or the NRD fails to close. 2. Supply Air Duct 2.1. Air Duct Supply System Function The air duct supply system is an important part of the air distribution network in the AHU (Air Handling Unit) system. Its function is not only to channel processed air from the AHU to the laboratory room, but also to ensure uniform air quality, pressure and distribution according to comfort and biosafety standards. The main functions of this system include: 1. Distributes clean and controlled air from the AHU to each room efficiently without excessive pressure loss. 2. Maintain positive or negative pressure in certain spaces according to ABSL-2 Enhanced and BSL-2 laboratory classifications. 3. Reduce energy loss through thermal and acoustic insulation in ducting. 4. Ensure even air distribution through the air diffuser and volume control damper (VCD). 5. Provide flexible connection between outlet terminal and equipment (via flexible duct). 2.2. Main Components of the Air Duct Supply System 1. Ducting Function: Flows air from the AHU to the outlet terminal (diffuser, grille, or HEPA box). ● Material: BJLS 0.6 – 0.8 mm thick depending on duct size - Ducting size 0 – 450 mm: thickness 0.5 mm - Ducting size 451 – 800 mm: thickness 0.6 mm ● Shape: rectangular ● Construction: conforms to SMACNA/DW144 standards, including the use of Pittsburgh lock seam, 25–40 mm flange and heat-resistant sealant. ● Kriteria kebocoran: maksimal ≤ 5% pada tekanan 1000 Pa (sesuai DW/144 Class B/C). 2. Insulation Foam Function: prevent condensation, maintain thermal efficiency, and reduce noise. ● Material: Nitrile Foamed Rubber ● Density: 40-70 kg/m3 ● Temperature: -50°C to 105°C ● Thermal conductivity (λ): ≤ 0.034 W/m.K @ 0°C ● Thickness: 25 mm ● Installation: carried out tightly without gaps, joints are glued with special adhesive and covered with aluminum foil for mechanical protection. 3. Air Diffuser Function: distributes clean air evenly and regulates the air distribution pattern in the work space. ● Material: SS 304 ● dimensions: - size 400 x 400 mm - size 600 x 600 mm - size 1000 x 1000 mm ● Thickness: 1 mm ● Airflow: angle 45° ● Noise standard: maximum NC-40 in laboratory areas 4. Volume Control Damper (VCD) Function: to regulate, balance and control air flow in the duct network so that air distribution is in accordance with design requirements. ● Material: Galvanized Iron (GI) sheet ● Casing: blade and blade shaft thickness: 1.2 mm ● Flange: steel thickness equal angles ● Performance: can regulate air flow to ± 5% accuracy ● Installation: placed in duct branches for airflow balancing. ● Access: equipped with an access door for maintenance and adjustment. 5. Flexible Duct Function: connects the diffuser terminal with a rigid duct to reduce vibration and facilitate installation. ● Compression: up to 90% ● Insulation: 25 mm fiberglass wool ● Density: 16 – 32 kg/m3 ● Temperature Range: -30°C to 100°C ● Standard length: 10 m ● Steel wire: 1 mm 6. Shoe Duct (Reducer/Shoe Duct) Function: Transition from main duct to branch duct or to diffuser. ● Material: BJLS ● Material thickness follows the size of the branch ducting - Ducting size 0 – 450 mm: thickness 0.5 mm - Ducting size 451 – 750 mm: thickness 0.6 mm ● Construction: connected using a flange or slip joint with anti-leak sealant 7. Spigot Function: Connection point between branch duct and diffuser, equipped with internal damper volume if necessary. ● Material: Galvanized Iron (GI) sheet ● Thickness: 0.4 mm ● Installation: installed on the plenum or branch duct with mechanical reinforcement and leak-proof seals 2.3. System Sequence and Air Flow Direction 1. Clean air from AHU outlet 2. Enter the main supply duct 3. Distributed via VCD duct branches 4. Connect to the duct/spigot shoe 5. Channeled via flexible duct 6. Released through an air diffuser into the laboratory room. This flow ensures pressure and airflow according to design, as well as uniform air distribution in each work space. 2.4. Testing and Monitoring To ensure the performance of the air duct supply system: 1. Airflow test: Using an anemometer, hot wire, and balometer for each diffuser. 2. Leak test: Duct leak test according to DW/144 (Class B/C). 3. Balancing: Adjusting the VCD until the distribution according to the calculation is achieved. 4. Sound and vibration test: Make sure the noise level is ≤ NC-40. 5. Visual inspection: Check the cleanliness of the duct and the integrity of the insulation before closing the ceiling. 3. Exhaust Air Duct 3.1 Exhaust Air Duct System Function The Exhaust Air Duct system is an important part of the air conditioning system (HVAC) in ABSL-2 Enhanced and BSL-2 laboratories, which functions to flow exhaust air from the laboratory room to the final filtration system or outside the building safely. The main functions include: ● Remove contaminated air from the laboratory room in a controlled manner. ● Maintain negative pressure in the laboratory so that dirty air does not escape into clean areas. ● Directs air flow according to biosafety standards and system efficiency. ● Reduces the risk of air leaks and cross contamination. 3.1. Main Components of an Exhaust Air Duct System 1. Ducting Function: channels exhaust air from the laboratory room to the exhaust fan or HEPA housing safely and efficiently. ● Material: BJLS ● Thickness: 0.6 – 0.8 mm depending on the size of the ducting - Ducting size 0 – 450 mm: thickness 0.5 mm - Ducting size 451 – 750 mm: thickness 0.6 mm 2. Flexible Connector Function: connects the exhaust fan with ducting to reduce mechanical vibrations and reduce noise. ● Material: green heat-resistant canvas fabric ● Thickness: 1 mm 3. Air Diffuser / Exhaust Grille Function: serves as a terminal outlet for exhaust air from the laboratory room to the ducting. ● Material: SS 304 ● Dimensions: - size 400 x 400 mm - size 600 x 600 mm - size 1000 x 1000 mm ● Thickness: 1 mm ● Airflow: angle 45° 4. Volume Control Damper (VCD) Function: regulates the air flow rate in each duct line so that system balance is achieved. ● Material: Galvanized Iron (GI) sheet ● Casing: blade and blade shaft thickness: 1.2 mm ● Flange: steel thickness equal angles 5. Non-Return Damper (NRD) Function: prevents backflow of air when the fan is not operating. ● Material: Galvanized Iron (GI) sheet ● Blade and blade shaft thickness: 1.2 mm ● Blade: 0.6 mm aluminum ● Flange: steel thickness equal angles 6. Shoe Duct (Shoe Duct) Function: connects the main duct with branch duct or diffuser/grille using a smooth transition design to minimize pressure drop. ● Material: BJLS ● Thickness: 0.6 – 0.8 mm depending on the size of the ducting - Ducting size 0 – 450 mm: thickness 0.5 mm - Ducting size 451 – 750 mm: thickness 0.6 mm 7. Spigot Function: becomes a connection point between the branch duct and the terminal component (diffuser/grille). ● Material: Galvanized Iron (GI) sheet ● Material thickness: 0.4 mm ● Installation: use collar connection with sealant to ensure airtight connection. 3.2. Sequence and Layout of Exhaust Air System Components 1. Exhaust Grille → Draws air from the laboratory room. 2. Spigot and Duct Shoe → Channels air from the grille to the main duct. 3. Volume Control Damper (VCD) → Regulates the air flow rate for each branch. 4. Non-Return Damper (NRD) → Prevents backflow of air when the system stops. 5. Flexible Connector → Connects the duct to the fan, reducing vibration. 6. Main ducting → Flows air to the HEPA filter housing or exhaust fan outlet. This sequence follows the principles of ABSL-2 Enhanced and BSL-2 laboratory ventilation systems as recommended by the WHO Laboratory Biosafety Manual (4th Ed.) and ASHRAE 62.1 for negative pressure systems. 3.3. Instrumentation and System Testing In order for the system to work optimally, the following tests and monitoring are carried out: ● Manometer / Magnehelic Gauge: monitors the differential pressure between the chamber and duct. ● Airflow Balancing Test: to ensure air flow according to design (CFM). ● Duct Leakage Test: ensures the ducting connection is airtight. ● Smoke Test: to verify air flow direction and exhaust function. 4. Material support 4.1 Function of Support Materials in HVAC Ducting Work Support material is a supporting part that is no less important in the air conditioning system (HVAC) installation process, especially in the ABSL-2 Enhanced and BSL-2 laboratory areas, to ensure that work is carried out safely, efficiently and in accordance with work safety standards. Functions include: ● Provide safe working facilities for technicians during installation of ducting and HVAC equipment. ● Facilitate the mobilization and handling of heavy or bulky materials to the work area. ● Keep work areas clean, tidy and free from potential contamination. ● Support the smooth running of work with interdisciplinary coordination in the field. 4.1. Type of Support Material Used ● Scaffolding Function: provides stable and safe work access in high areas (ducting installations, pipes, diffusers). ● Work Ladder (Step Ladder / Extension Ladder) Function: for light work such as installing flexible ducts, diffusers, dampers, and ceiling-level work. ● Mobilization and Handling of Material to Site Function: to provide protection to materials during the delivery process, to mobilize ducting from the workshop to the site ● Cleaning Area Function: − Clean the work area at the end of each work day from dust, pieces of insulation and remaining material. − Ensure that no contaminants (dust, metal powders, oil, etc.) enter sensitive areas of the laboratory. − Collect and transfer light waste (non-B3) to the disposal site provided. 4.2. Safety and Supervision ● All personnel must use complete Personal Protective Equipment (PPE) (helmet, gloves, safety shoes, safety belt for working at heights). ● Daily checklists are carried out for scaffolding, ladders and lifting equipment before use. ● Field supervision is carried out by the site supervisor or safety officer to ensure compliance with the HSE plan. 10.5 DUCTING INSTALLATION REQUIREMENTS 1. General Installation Conditions 1.1 Ducting installation work includes receiving on site, storing, transporting, lifting, placing, assembling, connecting, installing supports, sealing, installing access panels, wall/ceiling penetration, firestopping, installing insulation, installing control devices (CAV, VAV, ATD, dampers, sensors), integration with AHU, BIBO/HEPA modules, and exhaust lines to the roof termination, including marking (tagging) and final cleaning. 1.2 All work must maintain air-tightness and the integrity of the negative pressure cascade between zones; No leaks are allowed which can cause backflow from dirty to clean areas. 1.3 Work must be coordinated across disciplines (architecture, structure, MEP, BMS, fire protection) to avoid space conflicts, support interference, and ensure service access at all critical points (before/after coils, filters, dampers, flow stations, CAV/VAV/ATD, HEPA/BIBO). 1.4 The contractor is obliged to provide detailed implementation methods (work methods), coordinating shop drawings, builder's work drawings (BWD) for all openings/penetrations, as well as JSA/SMKK related to work safety before starting the installation. 2. Material Preparation and Handling 2.1 Storage of ducts, fittings, dampers and accessories must be in a clean, dry, weather-protected area; The end-cap surface of each duct piece must be covered until installation to prevent dust/particles from entering. 2.2 Lifting and transportation must not cause dents, flange deformation, damage to the protective layer (BJLS/stainless), or open the factory seal. 2.3 Before installation, carry out an acceptance QC inspection (dimensions, thickness, condition of flanges, gaskets, access panels, liner/internal insulation if any). Damaged/defective components must be rejected and replaced. 3. Placement, Route and Clearance 3.1 Duct routes must follow coordinated shop drawings (BIM/grid coordinates) with minimum clearance for servicing: ● Top side of duct to slab/beam: ≥ 50 mm or according to shop. ● Side duct to other utilities: ≥ 25 mm (min), priority of service space on the access panel side. ● Front of access panel: ≥ 600 mm (AHU, filter housing, large damper) and ≥ 1000 mm on the front side of the BIBO module (bag change room). 3.2 In laboratory areas, flexible ducts are not permitted for permanent connections, except for short flexible connectors (≤ 150 mm) on the inlet/exit side of the AHU for vibration dampening, not on high-risk exhaust paths 3.3 Avoid routes that create low points that have the potential to accommodate condensate/aerosol; if unavoidable, provide a drain point with a sealed trap and clean-out 4. Working Method 4.1 Duct Bracketing 4.1.1. Working Method – Using a Scissor Lift ● When the work area is large and unobstructed, a scissor lift can be used to install ducting brackets. ● A banks-man will guide the scissor lift operator to the required location for this installation. ● All the necessary equipment, Hilti Fastener, GI rod and angle-bar are collected and placed on the scissor lift. All these items are placed properly and neatly on the scissor lift platform to prevent tripping. ● Workers working on scissor lifts will wear safety belts. ● When entering the scissor lift platform, the safety rope of the harness must be attached to the scissor lift rail. ● After all this work is completed, the scissor lift operator will lift the machine to the required height to mark the bracket installation position. ● Using a retractable measuring tape, the ducting worker will measure, locate and mark the drilling position on the floor. ▪ ● After marking is complete, workers will wear face masks before drilling work begins. ● Using a battery-powered electric drill, workers will drill in several marked positions. ● When the worker has reached the required depth, he will withdraw the drill and place it on the platform. ● First, the worker will then insert the Hilti fastener into the hole. After that, the worker will insert a manual installation tool and hit the tool with a hammer. ● This action is performed to expand the fastener. ● A GI rod, with washer and nut inserted, is then attached to the fastener and tightened with a wrench. ● After that, the washer and nut are tightened on the plate. ● Installation of the ligature and GI rod is repeated for other marked areas. ● When the positioning with installation of a pair of GI rods is completed, the worker will insert the prefabricated GI corner rods into the pair of rods. ● Workers will get off the scissor lift after completing installing the ducting brackets. 4.1.2 Working Method – Using 1 Scissor Lift Unit ● When the work area is small and limited by other services, one (1) scissor lift unit will be used to install ducting. ● Ducting must not exceed the safe working load of the scissor lift used. ● Ducting dimensions: L3400 × Wd 1300 × H 500 × 75kg. ● Workers (wearing cut-resistant gloves) will collect the required ducts from the temporary storage area and arrange the ducts in straight rows on the floor near where the ducts will be installed. ● Before workers start connecting the lines, both ends of the plastic must be removed and stored in a trash bag. ● After both ends of the line are connected, the worker must take off his gloves to tighten the bolts and nuts. ● After the bolts and nuts are tightened, the worker will put on gloves again and insert the clip into the duct flange. ▪ ● Once all necessary ducts are connected, the adjuster will guide the scissor lift to the area required for ducting installation. ● The work area should be barricaded with markings for this installation. ▪ − Once all the required ducting and scissor lifts are ready, workers will lift the ducting onto the parked scissor lift. − The supervisor must ensure that the weight of the channel to be lifted onto the scissor lift can be handled by the worker. ▪ ● When the ducting is correctly placed on the scissor lift, the ducting will then be secured with straps to prevent it from falling when the scissor lift is raised. ▪ ● Once the ducting is fully installed securely, the two scissor lifts will be coordinated to raise very slowly to the required height, running between the installed stud rods. ● Banks-man must stand at least 2 meters from the scissor lift to observe this work. ▪ ● After reaching the required level, both scissor lift operators will secure the scissor lift by pressing the 'STOP' button on the scissor lift. ● Next, the worker will install an angle-bar under the ducting and secure it to the GI rod using washers and nuts. ● The worker on the scissor lift will carefully remove the rope securing the ducting. ● After the ducting is secured and placed correctly on the angle-bar bracket, the worker will start connecting the ducting with other ducting that has been installed previously. ● Again, workers will remove their gloves to tighten the bolts and nuts. Once the bolts and nuts are tightened, the gloves will be put back on the worker's hands. ● When all bolts and nuts have been fully tightened, the two scissor lifts will slowly lower the machine to ground level. ● After reaching ground level, the scissor lift platform will then be moved to another location with the guidance of a banks man to continue installing other ducts. 4.1.3 Working Method – Using Mobile/Tower Scaffold ● When the work area is limited and blocked by other services, a scissor lift on the mobile/tower scaffold will be used to install ducting brackets. ● All the necessary tools, Hilti Fastener, GI rod and angle-bar are collected and placed on the scaffold platform. All these items are placed neatly and arranged on the scaffold platform to prevent tripping. ● Workers working on scaffolds will wear safety belts. ● When entering the scaffold platform, the safety belt safety rope must be attached to the scaffold fence. ● After all these preparations are complete, workers can continue the work of installing the brackets on the scaffold. ● Using a retractable measuring tape, the ducting worker will measure, locate and mark the position for drilling on the slab. ▪ ● After the marking work is completed, the worker will wear a face mask before starting the drilling work. ● Using a battery-powered electric drill, workers will drill at several marked positions. ● When the worker has reached the required depth, he will retract the drill and place it on the platform. ● First, the worker will insert the Hilti Fastener into the hole. After that, the worker will insert the manual setting tool and hit the tool with a hammer. ● This action aims to expand the binder. ● A GI rod, with washer and nut inserted, is then rotated into the fastener and tightened with a wrench. ● After that, the washer and nut are tightened to the plate (slab). ● Installation of the GI straps and rods is repeated in other marked areas. ● When the installation position of a pair of GI bars is completed, the worker will insert the prefabricated GI angle bar (GI angle-bar) into the pair of bars. ● The worker will come down from the scaffold after he has finished installing the ducting brackets. 4.1.4 Working Method – using a Platform Ladder ● Workers permitted to work at Height must be available on site. ● Make sure the platform ladder is placed on a level surface and check the condition of the floor. ● Adhere to the monthly ladder checklist and buddy system at all times. ● Do not carry materials when going up/down stairs. ● Supervisor physically inspects all ladders before starting work. ● Provide appropriate barriers or signage around the work area. ● Wear a seat belt and buckle up 100% of the time when working above 2m. ● Always maintain cleanliness and order on the platform. ● Workers must wear long sleeves, a helmet with a chin strap, a safety belt, cut-resistant gloves, protective glasses (Z87 ), earplugs, and safety shoes. ● All tools must be secured with appropriate safety straps to prevent objects from falling. ● Supervisors must be on site at all times during operations. ● Always adhere to the 3 point rule when going up/down stairs. ● Always maintain cleanliness and order on the platform 4.1.5 Work Method – HVAC Installation Using Manual Lifting Machine with Scissor Lift/Tower Scissor/Ladder ● When the work area is limited and blocked by other services, mobile scaffolding / tower must be used to install ducting. ● Workers (wearing gloves) will take the necessary ducting from the temporary storage area and arrange it in a straight line on the floor near where the ducting will be installed. ● Before workers start connecting the lines, both ends of the plastic must be removed and placed in a trash bag. ● After both ends of the line are connected, the worker must remove both gloves to tighten the bolts and nuts. ● After the bolts and nuts are tightened, the worker will put on gloves again and install the clip on the duct flange. ● ● After that, the worker will place the ducting onto the Manual Lift fork. ● The ducting will be tightened with the strap on the Manual Lift fork. This is done to prevent the chute from falling from the Super Lift while it is being lifted. ● ● By turning the Manual Lifter, the chute will be lifted slowly. ● Once the chute reaches the required height, the Manual Lift is slowly pushed towards the scaffold. ● The two workers on the scaffold will then gently place the channel on top of the angle-bar bracket. ● ● First, the worker will remove the rope holding the ducting and then proceed to move the ducting into position to be placed on the angle-bar bracket. ● The worker handling the Manual Lift will slowly pull back the forks of the Super Lift and carefully roll up the cable and lower the machine's forks. ● Adhere to the Safe Working Load from the Lift Manual. ● Do not stand under a suspended load when using the Manual Lift machine. ● After the ducting is secured and placed correctly on the angle-bar bracket, the worker will start connecting the ducting to other ducting that has been installed previously. ● When all bolts and nuts are fully tightened, the worker will climb down from the scaffolding. Installing Ducting on the Roof ● Manually lift the short length of ducting onto the roof for installation, carrying 1 ducting at a time. Install and bring in the next ducting. ● Place the gasket on the surface of the duct flange, apply an approved sealant to the gasket before connecting the 2 ducts with bolts and nuts. ● Apply sealant to the flange connection between the 2 ducts. ● Once the sealant is dry, apply an approved sealant to the joint. ● Bird protection wire must be installed first on the gooseneck duct before installation. 5. Ducting Pressure Test Work ● The ducting section that will be tested for leaks must be closed tightly. The main duct must be equipped with flanged joints so that the cover plate can be installed. ● Scissor lift / Scaffolding will be used to access all high locations. ● Connections should, if possible, be checked by external visual inspection. ● Sufficient time must be allowed between installation and leak testing to allow the adhesive to dry. ● Testing Steps: - Complete Part 1 of the Test sheet - Part of the air duct (ducting) to be tested (system) - Image number - Pressure classification (class A B C) - Test static pressure (Pa) - Leakage factor (litres/second/m²) - Tested duct surface area (m²) - Maximum allowable leakage (litres/second) - Connect the test tool to the air duct section to be tested - Adjust the test equipment until a static pressure difference is obtained - Maintain the test for fifteen minutes and check that the leak rate is not greater than the previous reading - Record the details on Part 2 of the Test sheet and complete it, including test witnesses - Duct static pressure (Pa) - Manufacturer and type of flow meter. - Measuring range of flow meter (Liter/second) - Current measuring device reading (Pa) - Interpretation of tool air flow leaks (Liters/second) - Test duration (standard 15 minutes) - Results (pass or fail) 6. Installation of Grille and Components 6.1 Working Method – Grille Installation Using ScissorLift ● When the work area is large and unobstructed, a scissor lift can be used to install the grille. ● A director (banks-man) will guide the scissor lift operator to the required location for this installation. ● The worker must then place the necessary grille and electric hand drill into the scissor lift. ● Workers need to ensure that the length of the extension cord is sufficient for the use of an electric hand drill. ● Workers must ensure that extension cords are hung properly and do not obstruct other people. ● When entering the scissor lift platform, a safety rope (lanyard) must be attached to the scissor lift rail. ● Once all this work is completed, the scissor lift operator will raise the machine to the height required for installation of the grille. ● When the machine reaches the desired height, the operator will hold the scissor lift by pressing the 'STOP' button on the scissor lift. ● The worker will then insert the grille into the previously installed collar. ● Once the grille is installed in the collar, using an electric hand drill, the worker will turn the self-tapping screw into the collar. ● This screw penetration will be able to hold and secure the grille in the collar. ● When the desired grille is installed, the operator will then lower the scissor lift. ● With the help of a director (banks-man), the scissor lift will be moved to another position for the next grille installation. 6.2 Working Method – Installation of Grille Using Mobile/Tower Scaffold ● When the work area is inaccessible to a scissor lift and is obstructed by machinery or other objects, mobile/tower scaffolding should be selected for use in ducting painting. ● The worker then places the necessary grille and hand power drill onto the scaffolding platform. ● Workers need to ensure that the length of the extension cord is sufficient for use with a hand power drill. ● Workers must ensure extension cords are hung properly and do not obstruct other people. ● When entering the scaffolding platform, the safety rope of the safety harness must be attached to the rail. ● The worker then inserts the grille into the previously installed collar. ● Once the grille is attached to the collar, using a hand power drill, the worker drills the self-tapping screw into the collar. This screw penetration will be able to hold and secure the grille in the collar. ● Once the required grille is installed, the operator will then climb down the scaffolding platform. 7. Duct Insulation ● First, use a penknife and ruler to cut the K-Flex roll into a smaller size of insulation (rectangular shape) according to the surface of the air duct (ducting). ● Place the insulating material on the ducting and press to adhere the adhesive to the surface of the ducting. ● Cover the insulation joints with aluminum / zinc tape to provide a neat and clean surface. 10.6 DUCTING SYSTEM SUPPORT COMPONENTS 1. General Provisions 1.1 Supporting components of the ducting system include but are not limited to: Constant Airflow Volume Terminal (constant air flow terminal), Variable Airflow Volume Terminal (variable air flow terminal), Airtight Damper, Manual Balancing Damper, BIBO Housing HEPA with bioseal, hygienic silencer/attenuator, test port and pressure tap, inspection panel access, flexible connector, flange 1.2 All components must support the function of controlling air flow between spaces, maintaining pressure differences between zones, ensuring that there is no backflow from higher risk areas to lower risk areas, and be compatible with disinfectants, non-shedding, air-tight, corrosion-resistant, and suitable for high biocontainment facilities. 1.3 Compatibility of components must be equivalent to international manufacturing classes used for high containment facilities (pathogenic laboratories, ABSL/BSL facilities, or pharmaceutical industry), including equivalent to TROX, Madel, Halton, Gilberts UK product classes for terminals and dampers; as well as AAF, Camfil, Parker/Donaldson class equivalents for BIBO HEPA housing. Brand mention is a reference to equality, not a single designation. 2. Technical Requirements — Constant Airflow Volume Terminal 2.1 Function and Working Principles ● Constant Airflow Volume Terminal (hereinafter referred to as Constant Flow Terminal) is air control equipment designed to maintain a constant air flow rate at a predetermined setpoint value, independent of static pressure fluctuations in the ducting that occur due to the opening/closing of other terminals in the system, changes in AHU operating conditions, or other control system reactions. ● This Constant Flow Terminal functions as a primary control element to ensure that the room ACH value, flow pattern, and pressure gradient between biosafety zones remain stable according to design without being influenced by mechanical dynamics upstream of the system. 2.2 Minimum Performance Requirements ● Minimum air flow accuracy ≤ ±5% of setpoint value in the operating pressure range of 50–1000 Pa. ● Terminals must be able to maintain long-term stability against light contamination and duct vibration without drift >±3%. ● Terminals must have fail-safe characteristics — on loss of supply or control signal, the air position remains in a safe state for biosafety (default mode specified in the implementation document: generally fail-close for supply in high risk areas and fail-open for negative exhaust areas). ● Terminals must be capable of continuous operation 24/7 for high-containment facilities without degradation for a minimum period of 24 months before mandatory routine calibration. 2.3 Material and Construction Requirements ● All internal construction must be non-shedding, smooth surface, chemical-resistant, compatible with repeated exposure to disinfectants and high humidity. ● The housing, damper blade and internal mechanisms must be made from corrosion-free metal (e.g. industrial grade anti-rust or stainless steel for high-risk exhaust lines). ● The regulating mechanism must be closed (enclosed mechanism) to prevent contaminant deposits and allow cleaning of the duct system without opening the unit ● Units must be factory-fabricated products, not field-made. 2.4 BMS Control and Integration Requirements A. Constant Flow Terminals must be equipped with native MODBUS actuators and control modules (RTU or TCP) so that they can be integrated without additional converters. B. All status (actual flow rate, valve status, alarm fault) can be monitored on the BMS and the setpoint can be changed from the BMS if the design requires a remote setpoint. C. Response time for flow correction is a maximum of 3 seconds for significant changes in system load. D. Factory calibration must be documented and can be re-verified via test port or digital reading. 2.5 Installation Requirements A. Terminals are installed on each duct branch leading to the room before the diffuser, so that control is carried out at the boundary between rooms. B. The installation must maintain an inspection access and service clearance of at least 300 mm for periodic testing and inspection. C. All connections to the terminal housing must use multilevel air-tight sealing (sealant gaskets) to prevent bypass flow. D. It is not permitted to install the terminal in an area with a risk of permanent condensation without anti-condensation measures. 2.6 Testing and Commissioning Requirements A. Tests were carried out in steady-state and dynamic change conditions, proving that the unit maintains a constant flow when the system pressure is deliberately changed. B. Testing conducted with the BMS system to verify MODBUS signal integration, including loss-communication alarms, status, and setpoint changes C. The terminal is declared acceptable only if during the system test the pressure gradient between the chambers remains at the design value without overshoot exceeding the standard time limit. 2.7 Biosafety Compatibility Requirements A. The terminal design must support the principle of no backflow to lower risk areas through supply-exhaust flow stability as part of zone pressure regulation. B. Terminals installed in areas with potential infectious media must meet the surface cleanliness level for cleanability according to negative pressure laboratory practices. 3. Technical Requirements — Variable Airflow Volume Terminal 3.1 Control Functions and Roles in Biosafety Systems ● Variable Airflow Volume Terminal (hereinafter referred to as Variable Flow Terminal) is an air flow control element designed to dynamically modulate air flow based on control signals originating from room sensors or biosafety operating modes, so that the differential pressure value between rooms remains consistent in the negative zone and interlock buffer. ● This terminal functions as the main control actuator in maintaining the stability of inducible space pressure (BSL/ABSL) against changes in thermal load, changes in the exhaust/supply ratio, and changes in the status of doors or other systems. ● In high containment laboratories, the Variable Terminal becomes an active controller to prevent pressure relationship failure and prevent backflow of contaminant air. 3.2 Minimum Performance Requirements ● Minimum modulation range 1:10 of nominal maximum discharge. ● Minimum control precision ≤ ±5% of setpoint in both transient and steady-state conditions. ● Response time modulating maximum 3 seconds for significant step command changes (≥25% change). ● Overshoot must not exceed ±3% of setpoint when switching mode occurs (eg open door scenario, degassing, emergency purge, protection). ● The system must be able to work 24/7 in a disinfected and elevated humidity environment without functional degradation for a minimum of 24 months. 3.3 Materials and Construction ● Housing, blade and internal mechanisms must be made of anti-corrosion, non-shedding, compatible with repetitive chemical disinfectants (quats, hypochlorite, peracetic acid). ● The modulating mechanism must be in a closed capsule to avoid accumulation of contaminants in the open mechanic. ● All units must be factory fabricated with quality certification, not field assembled. ● Internal surfaces must be smooth-lining, without voids/voids that could potentially store contaminants. 3.4 BMS Control and Interface Requirements ● The terminal must have an electronic actuator with a native MODBUS control module (RTU or TCP) without an external converter. ● Mandatory data that BMS can read in real-time: − Actual discharge (flow feedback) − Valve position (percentage of opening) − Fault/communication loss alarm − Mode status and stroke limits ● Changes to the discharge setpoint can be made from the BMS. The terminal must be validated as capable of receiving remote commands without delay which impacts chamber pressure deviation. ● The terminal must be compatible with differential pressure control logic based control according to the space pressure matrix (dirtiest → dirtiest). 3.5 Fail-Safe Logic for Biosafety ● Fail-safe mode is set according to risk: − For negative pressure room supply → fail-close − For negative pressure room exhaust → fail-open ● When power/control is lost, the damper position must move to a biosafety safe condition passively (spring-return / fail-positioned). 3.6 Installation Requirements ● Installation is on the duct branch leading to each room, before the terminal device (diffuser/grille). ● There must be a service bay available for inspection and verification port access. ● Connections to the duct must be airtight (hygienic gasket and sealant), preventing bypass flow. ● Installation in areas that cause high vibration without mechanical isolators is not permitted. 3.7 Testing and Commissioning Requirements ● Tests include dynamic modulation, stability under pressure variations, BMS-command response, as well as biosafety scenario compatibility tests (e.g. the door in the anteroom is intentionally opened → the room pressure does not runaway). ● The terminal is considered to pass if the pressure relationship between the chambers remains within the design limits under the simulated system change conditions. ● Tests must be documented as Factory Acceptance Test (FAT) and Site Acceptance Test (SAT) requirements. 3.8 Product Equivalency Requirements ● Minimum international manufacturing class equivalent product for biosafety facilities (e.g. TROX, Madel, Halton, Gilberts UK class as equivalency reference — not a single brand designation). ● The product must have a reference for use in a high-containment facility (BSL/ABSL/Pharma/GMP). 4. Technical Requirements — Air Tight Damper 4.1 Function and Role in Biosafety ● Airtight Damper is an isolation device in the ducting system which functions to completely close the air flow in the air distribution branches to each room, in order to prevent cross-contamination in normal, abnormal or emergency shutdown conditions. ● In high containment facilities, Airtight Damper is a biosafety isolation layer that must be controlled centrally via BMS to ensure spaces with biological contamination can be isolated quickly without manual intervention. 4.2 Minimum Performance Requirements ● Dampers must have a bubble-tight / zero-leakage rating according to biocontainment isolation application standards (leakage value = 0 at design pressure). ● Sealing capability is tested at a minimum of 500–1000 Pa differential pressure without measurable air leakage. ● Response time for open/close actuation must be fast and not produce a shock that can affect the global pressure gradient. ● Must be able to operate continuously 24/7 with switching frequency without degradation of plug/seal function. 4.3 Materials and Construction ● Housing, blade, shaft and sealing elements must be made of anti-corrosion, non-shedding and disinfectant-resistant materials. ● All internal surfaces must be easy to clean, have no dead pockets that could hold contaminants. ● The mechanism must be fully enclosed, there must be no open mechanics in the air flow area. ● All gaskets/hot-seal must be chemically resistant for a laboratory disinfection environment. 4.4 Location and Placement Provisions ● Airtight dampers are placed on each duct branch leading to each room, before the air terminal (CAV/VAV/diffuser). ● The placement is ensured to have inspection and service access from a corridor or ceiling access panel that is verified as safe. ● Installation in inaccessible areas after architectural finishing is not permitted. 4.5 Drive System and BMS Integration ● Damper must be equipped with an electric actuator with a native MODBUS control module (RTU/TCP) — mandatory, not optional ● All states (open/close/transition/fault) can be monitored and controlled by BMS. ● Must have fail-safe function: − For negative zone supply → fail-close − For negative zone exhaust → fail-open ● Changes to orders via the BMS must not cause chamber pressure instability to exceed tolerance. 4.6 Testing and Commissioning ● Dampers are tested at maximum design pressure conditions for zero-leakage verification. ● Remote function test via BMS is carried out simultaneously with the pressure gradient test between chambers; Damper failure is read as an alarm. ● Acceptance is issued only if the mechanical integration (air-tight) and digital integration (MODBUS) pass the SAT. 4.7 Product Equivalence and Manufacturing Requirements ● Products must be equivalent to the international manufacturer's class for high containment facilities (reference TROX, Madel, Halton, Gilberts UK classes — as equivalent, not a single brand requirement). ● Must be a certified manufacturer's fabricated unit; Field assembled units are not permitted. 4.8 Connection with Manual Damper ● Manual dampers are still installed at the supply and exhaust diffuser points only for initial balancing. ● After commissioning, the damper is manually locked (lock and seal) and is not included in the operational control system, so that the isolation logic remains through the BMS. 5. Cross-Component Integration and Commissioning (Cav — Vav — Atd — Bibo) 5.1 System Functional Integration ● All Constant Airflow Volume Terminals, Variable Airflow Volume Terminals, and Airtight Dampers must work as a control unit in maintaining the pressure difference value between spaces according to the risk matrix (flow direction: clean → dirtiest → dirtiest), as well as preventing backflow. ● BIBO Housing HEPA is the final barrier for high-risk exhaust and must work without disturbing the dynamics of the CAV-VAV-ATD during purge/emergency mode. 5.2 Digital Integration (BMS / MODBUS) ● All CAVs, VAVs and Airtight Dampers must use native MODBUS control, and all of the following minimum parameters must be acceptable/readable by the BMS: − actual flow value (L/s or CMH) − actuator position (0–100%) − alarm fault / loss communication − fail-safe state ● The VAV setpoint setting of the BMS should not cause chamber pressure instability above the design tolerance. 5.3 Commissioning and Verification of Interchamber Pressure ● Commissioning is carried out under two test conditions: − steady-state (door closed, system stable) − dynamic disturbance (door opening simulation, mode switching, AHU load fluctuation) ● The system is declared passed if in all scenarios, the pressure relationship between the chambers does not deviate from the design value beyond the tolerance limit and no reverse flow occurs. 5.4 Interlock and Biosafety Protection ● Loss of power supply, BMS failure, or actuator failure must not result in loss of biosafety isolation status; fail-safe mode must work automatically without manual action. ● The system cannot be shut down without ensuring that high risk room airflow remains isolated via ATD and BIBO. 6. Other Supporting Components of the Ducting System ● Must be hygienic duct attenuator type, non-shed internal surface, disinfectant resistant, does not absorb moisture. ● It is not permitted to use open shaft/fiber materials in the air flow of high containment laboratories. 6.1 Access Door / Inspection Panel ● Inspection panels are mandatory on every segment where a CAV, VAV, Damper, BIBO or sensor is installed. ● Panels must be airtight and can be opened without removing the duct. 6.2 Test Port and Instrumentation ● Each branch to the room must have a test-port to verify flow and pressure ● The port must be compatible for the pitot or ultrasonic tester method without dismantling the duct. 6.3 Flange, Gasket and Sealing ● All joints must use non-permeable hygienic gaskets and disinfectant-resistant sealants. ● Installation must be air-tight tested according to negative pressure laboratory requirements. 6.4 Flexible Connectors ● Used at the point of connection to a vibrating device (AHU/Fan), must be flame-retardant, non-porous, bioclean-grade. 6.5 Vibration Buffering and Isolation ● Hangers and supports must prevent deflection that could alter terminal performance. ● Must be equipped with vibration isolators to prevent noise-vibration transfer. 6.6 Roof Discharge ● The final exhaust must be 100% above the roof, it must not exit to the side of the façade. ● Up-blast direction and clear-distance according to biosafety practice, preventing re-entrainment. 7. Implementation and Installation Method 7.1 General Implementation Provisions ● Installation work on air terminals, dampers, BIBO housing, and all ducting supporting components must be carried out by experienced personnel in negative pressure facilities or biosafety facilities. ● All work methods must follow the approved final shop drawings, including cross-disciplinary coordination (architecture, structure, MEP, BMS, fire safety). 7.2 Implementation of Airtight CAV, VAV and Damper Installation ● Installation is carried out on the duct branch leading to each room before the terminal point (diffuser/grille). ● The method of connecting to the duct must use a hygienic flange gasket sealant until it reaches an air-tight joint. ● The unit is installed in an orientation that ensures: − accurate flow-sensing in the direction of the manufacturer's arrow − service access is not obstructed by construction ● Mechanical pre-balancing is then performed to ensure base flow before activation of the control system. 7.3 Manual Damper Installation for Balancing ● Manual dampers are installed on each diffuser for supply and exhaust as an initial setting tool. ● After the balancing process is complete, the manual damper must be locked and not used as a daily operational control tool. 7.4 Service Access and Inspection ● Each active component (CAV/VAV/ATD/BIBO/sensor) must have an inspection panel that can be opened without dismantling the permanent duct or ceiling. ● Minimum service space clearance of 300 mm around the inspection side. ● Service access must be planned at an early stage, not added after internal finishing. 7.5 Airtight (Air-Tightness Construction) ● All duct and equipment connections must be leak tested according to negative pressure laboratory criteria. ● Wall/partition penetrations must be sealed with non-porous hygienic material that does not shrink/crack due to disinfectants. ● It is prohibited to use open-cell foam-based coatings. 7.6 Integration with BMS and Control Cable Pulling ● MODBUS control cables for CAV, VAV, Airtight Damper and sensors must be installed in a separate conduit from the power to avoid interference. ● Marking of cables and control terminals using permanent labels that are disinfectant and solvent resistant. ● It is not permitted to make changes to the wiring logic without revision and engineering approval. 7.7 Prohibitions and Special Obligations ● No field fabrication is permitted for CAV/VAV/ATD/BIBO units — all units must be manufactured products. ● It is not permitted to operate the system before official commissioning. ● Every installation deviation must have written (non-verbal) approval. 10.6 PRESSURE AND AIR LEAKAGE REQUIREMENTS 1. Basic Principles (Mandatory Containment Philosophy) 1) All ducting systems connected to BSL-2 and ABSL-2E laboratory rooms are categorized as systems with biosafety implications, so that pressure and leakage requirements are not just mechanical HVAC aspects, but include integrated control of biological containment. 3) Every air leak (duct leakage, flange leak, bypass, micro-gap) has the potential to: ● eliminate differential pressure between spaces (loss of negative pressure barrier) ● creates a reverse-flow from the contaminated space to the cleaner space ● creates a bypass path through HEPA/BIBO 4) Therefore, the tightness and pressure requirements for ducting are non-negotiable in terms of biosafety acceptance. 2. Ducting System Operating Pressure Requirements 1) The supply and exhaust ducting system, especially in the negative zone, must be designed and tested against a minimum operating pressure of ±500 Pa, both under normal conditions and when a disturbance occurs (emergency differential). 2) The structural durability of the duct must prevent ● panel deformation ● deflection that affects volume ● micro cracks in seals, ● in both positive and negative pressure. 3) The operating voltage in the test is not only carried out at the nominal rating, but also at the pressure worst-case scenario (eg switching mode, purge mode, partial shutdown). 3. Air Leak Class Requirements (Air-Tightness Class) 1) All ducting serving BSL-2 and ABSL-2E must meet the minimum leakage class L1 or Class 3 SMACNA for all critical duct lines (especially exhaust 2) For lines after BIBO HEPA, the ducting status remains considered a biohazard-rated line up to discharge, so the air-tightness requirements remain in effect until the roof termination. 3) Bypass leakage in the filter housing must meet class F9 (Eurovent) to prevent flow outside the filtration media. 4) Zero-bypass requirement applies in ● BIBO HEPA housing ● Air Tight Damper (ATD) ● flange critical joint after HEPA/BIBO. 4. Connection, Seal and Penetration Requirements 1) All duct connections must: ● use non-porous hygienic gaskets (chlorine and peracetic resistant), ● sealed with laboratory grade non-shedding sealant, ● there can be no micro gap or capillary leak path. ● Duct penetrations through walls, slabs, technical ceilings must be sealed with air-tight penetration seals, not just waterproofing or firestop. 2) Prohibited: ● additional tapping on the duct after testing, ● field drilling without re-seal test, ● use of open fiber-based duct liners (open cell). 5. Leak and Pressure Testing (Leak 1) Leak tests are carried out with 100% coverage, not sampling. 2) Testing is carried out in two stages: ● Pre-commissioning leak test (before the ceiling is closed/access is closed) ● Post-integration leak test (after CAV/VAV/ATD/BIBO/Fan installed) 3) Parameters checked: ● pressure stability ±500 Pa, ● leakage rate against L1/SMACNA 3 standards, ● sealing interface (flange, access port, damper section, penetration). 4) Detected leaks must be repaired, not compensated through balancing or terminal control. 6. Integration with Interspace Pressure Requirements 1) Ducting integrity is a prerequisite for maintaining differential pressure between rooms (ΔP), especially in the cascade: corridor → anteroom → BSL-2 room → most contaminated zone (ABSL-2E) 2) Leaks in the ducting will cause ● ΔP unstable space (pressure drift), ● false compensation at the terminal (CAV/VAV) → hunting in the system, ● failure of the ATD function as a biosafety isolator. 3) Acceptance ducting is considered failed if during IST: ● ΔP between spaces exceeds tolerance, ● reverse flow occurs, ● recovery time (TTR) exceeds design limits. 10.7 TESTING, CLEANING AND COMMISSIONING 1. Objectives and Scope 1) Objective: ensure the entire ducting network (supply and exhaust), terminals (CAV, VAV), Airtight Dampers, BIBO HEPA (exhaust high-risk), accessories (hygienic silencers, flexible connectors, flange/gaskets), penetration, and BMS integration: ● Airtight and pressure resistant according to design, ● Clean, free of contaminants and debris before operation, ● Functions stably in steady-state conditions and dynamic disturbances, ● Reverse-flow does not occur and the pressure relationship between spaces is maintained. 2) Scope: cleaning and protection during construction, pre-test cleaning, leak test 2. Cleaning and Hygiene Protection Requirements 2.1 Protection during construction ● Each end of the duct (coil, spigot, branch) must be covered (end-cap/plastic plug with strap) when storing, transporting, lifting, installing ● Do not place tools/materials in the duct; Cutting/grinding that causes debris above the open duct mouth is prohibited. ● Access panels are installed last after internal cleaning. 2.2 Factory and pre-site cleaning ● Manufacturer components (CAV, VAV, Airtight Damper, BIBO) are shipped in clean condition (free of excess oil/grease ● Before installation, carry out a visual check and quick cleaning (lint-free wipe HEPA vacuum) on exposed internal parts. 2.3 Cleaning after installation (pre-test) ● After all joints are closed and the end-cap is removed area-by-area, do an internal HEPA vacuum (no household vacuum) with a wet wipe (mild neutral detergent pH 6–8) ● Do not use open fiber liners or shedding abrasive media. ● On high-risk exhaust lines (including segments after BIBO that are still considered biohazard-rated up to the roof), use HEPA vacuum surface disinfection (SS304 compatible/galvanic agent—e.g. quats/peracetic—according to SDS). ● Hygienic silencers are non-shed type only; If the cartridge type is removed during cleaning, reinstall it with a new gasket. 2.4 Hygiene criteria (pre-test) ● Free of debris (metal chips, bolts, cables, dust), smooth surface without oil residue. ● “white-wipe check” test: 3 swipes of a lint-free cloth on a representative area without any noticeable dirt marks. ● Borescope (if requested by Supervisor) for closed/winding segments. 2.5 Post-test and pre-Handover cleaning ● After leak test/balancing/commissioning, perform final wipe-down at service points (access panel, spigot terminal, around damper). ● Cleaning label and cleaning date affixed to the main access panel. 3. Leak and Pressure Testing (Leak 3.1 Coverage: 100% critical duct network, not sampling, including joints, flanges, branches, flexible connectors, penetrations, equipment housing (ATD/BIBO). 3.2 Leak class ● BSL-2 and ABSL-2E lines: minimum L1 (equivalent to strict SMACNA Class 3) for all ducts in the containment cascade ● Bypass filter on BIBO HEPA housing: zero-bypass (housing class according to filter/housing specifications). ● After BIBO goes to the roof, it remains air-tight (biohazard-rated path to the outside of the building). 3.3 Test pressure ● Test at ± design pressure (reference ±1,000 Pa) or according to drawings/calculations; include a disturbance margin (purge/emergency mode) ● Record the pressure stability (time-hold) and leak rate against the required class. 3.4 Repair and re-test ● Leaks must be repaired at the source (gasket/ sealant/ re-rigging) and retested until they pass. 4. Initial Balancing and Terminal Configuration ● Manual damper on each diffuser only for initial balancing (pre-control). Once set, locked and sealed (not an operational control device). ● CAV is run at design setpoint (constant discharge). ● VAV is tested for modulation range and fail-safe (according to zone philosophy: supply negative space → fail-close, exhaust → fail-open). ● Airtight Damper (ATD) is verified to be bubble-tight in the chamber branch (open/close via BMS). 5. Control and BMS Integration (MODBUS) ● All CAV/VAV/ATD have native MODBUS control (RTU/TCP) connected to BMS (no external converter) ● Minimum mapping points: setpoint, actual flow, actuator position (%), open/close status, alarm fault, comm-loss. ● Trend-log: 1–5 seconds (dynamic test), 15–60 seconds (steady-state). ● Alarms: ΔP low/high between rooms, fan trip, door status (if any), BIBO ΔP high/low—all active and tested. 6. Commissioning — Steady-State ● Pre-requisites: finish cleaning; leak test passed; initial balancing completed; active BMS point ● Discharge and ACH: measure at the terminal/diffuser or use validated actual flow from CAV/VAV; tolerance ±5% from design setpoint. ● Interspace ΔP: stable in design band (no drift > ±2 Pa) for ≥ 15 minutes per zone. ● Alarm/interlock: no alarm nuisance; all nodes are healthy. ● Documentation: steady-state trends (ΔP, flow, position) submitted per key space. 7. Commissioning — Dynamic Disturbance (Integrated IST) 7.1 Objective: to prove the system is fault-resistant and recovers quickly without reverse-flow. 7.2 Minimum scenarios (each tested ≥ 3 times): ● Open the anteroom door (corridor→anteroom and anteroom→lab), ● Trip fan (supply/exhaust), ● Switching mode (normal→purge→normal; standby→normal) ● Changes in load (occupancy/heat load), ● Loss/restore MODBUS (selected node), ● Local isolation via the close ATD command on one branch. 7.3 Pass criteria (unless otherwise agreed in design): ● MD (Max Deviation ΔP) ≤ 5 Pa (non-critical) / ≤ 8 Pa (dirtiest room/large volume), ● TTR (Time-to-Recover) to design ΔP band ≤ 30–60 seconds according to zone, ● No Reverse-Flow, proven by smoke test and ΔP trend, ● Alarms and events are recorded in BMS (time-stamped). 7.4 BIBO HEPA (exhaust): ΔP filter does not cause back-pressure that disturbs the stability of the ΔP chamber; zero-leak housing; when scheduled, the in-situ leak test (PAO/DOP) is passed. 8. Post-Commissioning Cleaning (Final Cleaning) ● After all tests, perform a final HEPA vacuum lint-free wipe at the service/access point. ● Clean the work area (plenum/technical ceiling), remove debris/packaging; return labels and signage. ● Submit SOP for periodic cleaning and disinfection (list of compatible chemicals, frequency, safe methods for SS304/galvanized/powder-coat). 9. Documentation and Event News 9.1 Submitted: ● Cleaning checklist (pre and final), photo evidence of duct end protection/covering, ● Leak and pressure test form, repair results ● Laporan steady-state and dynamic disturbance (grafik tren ΔP, flow, posisi damper; log alarm/event BMS), ● As-built ducting (routes, access panels, test-port points), Cleaning SOP and list of critical spare parts (gaskets, spare filters, ATD/BIBO seal kits). 9.2 Punch-list: all findings are fixed to close-out; re-test is limited to related items. 10. Acceptance Criteria The ducting system is considered passable when: ● Tightness and pressure meet the class ● Clean (white-wipe pass, debris free, non-shed); ● Steady-state: debit/ACH and ΔP memenuhi kriteria; ● Dynamic: all IST scenarios pass MD/TTR and no reverse-flow; ● BMS/MODBUS: all points are read and controlled, alarm works; ● Complete documentation and punch-list closed. BAB XI TECHNICAL SPECIFICATIONS OF NON-BSL VARIABLE REFRIGERANT COOLING SYSTEMS 11.1 SCOPE OF WORK Included in the scope of this work: 1. This installation work includes all work, procurement and installation of Air Conditioning and Mechanical Ventilation installations in full, including all equipment and supporting facilities, so that a complete and good installation is obtained which has been thoroughly tested and is ready to be used. 2. This Non-BSL Variable Refrigerant Cooling System is for cooling the Supporting Laboratory, Public Area and Insectarium Building zones (can be seen in the Zone Layout Figure in this RKS). 3. Work on Procurement and Installation of Direct Expantion VRF / VRV air cooled type AC units, using a Full Inverter compressor with Hermetically Sealed Scroll type, the Compressor Machine works variablely, adjusting motor rotation and electrical power consumption to changing cooling load requirements using inverter technology and Variable Refrigerant Flow. Where the AC system consists of one outdoor unit system with a number of indoor units, where each indoor unit has the ability to cool the room independently according to the expected temperature. 4. Outdoor and indoor must have design flexibility and the ability to connect a total number of indoor units up to 64 indoor units with an outdoor capacity of up to 96 HP in one system. 5. Can be connected to 1 refrigeration circuit and controlled independently using an Electronic Expantion Valve (EEV) on each Indoor unit. The condensing unit must be equipped with an inverter and have the ability to change the rotation of the compressor motor according to the cooling load. 6. The outdoor unit must be able to connect to various indoor models as follows: ● Ceiling Mounted Cassette Type ● Ceiling Duct Type ● AHU DX 7. The system offered must be able to carry out Automatic Test Operation System, to carry out automatic system checks which include checking: wiring check, piping check, stop valve check, so that the system runs well and functions according to the conditions desired in system design, with work details as follows: ● Procurement and installation work for VRF type AC units, Cassette Type, Wall Type and Duct Type systems, along with all supporting equipment. ● Refrigerant Piping Work from Indoor Unit to Condensing Unit / Outdoor Unit. ● Condensate piping work from the Indoor Unit to the drainage channel provided by Plumbing. ● Ducting work according to the needs of each room. ● Complete exhaust fan work and supporting equipment. ● Power Installation, This work includes all installations used to connect power panels to power outlets and electrical equipment, such as Exhaust Fans, electric motors on VAC System equipment in accordance with the Planning drawings and Technical Specification Book. ● Balancing, testing and commissioning work on the entire system so that it can work well according to its function, including providing complete testing/measuring equipment and all other requirements. ● Preparation of operation manuals and routine and periodic maintenance schedules up to overhaul, operation log-sheet, spare-part number list for each equipment / machine unit installed and all other operational requirements for all equipment in this system. ● Special training work from the manufacturer (Principal) as well as on site project training for system operation and maintenance methods/processes along with trouble shooting and repairs. ● Maintenance work and replacement of damage that occurs during the warranty period. 8. Procurement and Installation Work for Multi Split VRF AC Units, Duct Type, Cassette Type and AHU DX system models, along with all supporting equipment. 9. The VRF/VRV Outdoor AC unit used must be a manufacturer from the country of origin. 11.2 SYSTEM CONDITION AND OPERATION 1. The equipment used in the Multi Split System AC system with Duct type, Cassete Type, consists of: A. INDOOR units The indoor unit must be of the type and capacity that corresponds to that in the BQ according to the design conditions. Consists of basic components: Fan, Evaporator coil and Electronic Expansion Valve. Must be able to control the flow of refrigerant into the indoor unit according to the cooling load required by the room. The indoor unit operating voltage is 220 – 240 volts AC, 1 phase and 50 Hz. The fan motor must be of the BLDC type, the fan must be a turbo fan and a sirocco fan for Duct Type units. Indoor ducted type must have an external static pressure that is in accordance with the RKS. The evaporator coil must be type DX which is made from icopper tubes which are attached to the aluminum fin mechanically. Auto swing facilities for wall, cassette and under ceiling types must be standard from the factory. Insulated 25 mm (1”) PVC pipe with a minimum thickness of 9 mm must be installed as a drain pipe from each indoor unit to the drain water channel. B. Outdoor unit This system must be able to be connected to a refrigerant pipe that has an installation length of 190 m, with a total pipe length of 1000 m and a vertical distance between outdoor and indoor in the outdoor position above or below with a length of 90 m without an oil trap. The outdoor system must have a Dual Sensing Control feature as input for the compressor's work from both sensible load and latent load. Has 4 sides of the Heat Exchanger which is equipped with Ocean Black Fin anti-corrosion material to prevent possible corrosion. Both indoor and outdoor must be assembled and tested at the factory. The outdoor unit must be factory filled with R410A. The outdoor casing must be wheatherproof made of stainless steel coated with Baked Enamel. Conditions for condensing units: ● Outdoor units must use a Hermetically Sealed Scroll Compressor Full BLDC Inverter Compressor on each Compressor, have an Automatic Back Up Function system which allows the unit to still operate if 1 compressor is damaged. ● Outdoor with size 8 HP has 1 Inverter SCROLL compressor ● Indoor connected to outdoor has a capacity from 0.5 HP (1.6 KW) to 10 HP (28.0 KW) ● Outdoor noise level must not exceed 65 DB(A) during normal operation, measured 1 meter horizontally and 1.5 meters above the foundation. Outdoor must be a modular model and can be installed in rows on each side. ● Min COP 4.1 C. Compressor Compressor characteristics a. The compressor must be a BLDC Inverter Hermetically Sealed Scroll Compressor type with high efficiency and equipped with an inverter control which functions to change the rotation speed to suit the required cooling load. Neodymium magnets must be used in the compressor rotor to increase the compressor torque. Ability to work efficiently and efficiently consume electricity. Inverter compressor with frequency range limit, minimum compressor motor rotation speed of 10 Hz and maximum rotation speed of 165 Hz. b. Have a test certificate for the Total Harmonic Distortion (THD) level with the following conditions: ● THD Limit cannot exceed 37% ● Equipped with a Noise Filter system In a system configuration with more than 1 outdoor unit, the inverter compressor with the lowest operating hours will automatically start first each time it is operated. This system must be installed at the factory. D. Heat Exchanger The heat exchanger must be made of a copper tube that is mechanically attached with a 4-sided shape to expand heat dissipation into the open air and is equipped with Ocean Black Fin anti-corrosion material as a prevention against possible corrosion. E. Wide Louver Fin aluminum to improve the performance of the condensing unit which is coated with an anti-corrosion layer from the manufacturer and has been tested and certified for corrosion resistance. F. Refrigerant Circuit Consisting of Liquid and Gas shut off valves and a Sub Cooling Circuit to ensure that the liquid refrigerant does not evaporate when it reaches the indoor unit and functions to improve the performance of cooling and other components for overall safety purposes for both Outdoor and Indoor units. G. Fan Motor Outdoor motor unit must have multispeed operation with DC inverter, with maximum static pressure capability = Max (8 mmAq). Condensing unit must has the ability to operate with lower noise at night both automatically and with manual settings. H. Safety Devices Outdoor units must have the following safety equipment: high pressure switch, control circuit fuses, thermal protectors for compressors and fan motors, over current protection for the inverter and anti-recycling timers. The oil recovery cycle will automatically operate after 1 hour from startup and so on every 6 hours of operation. After the piping work is carried out, before it is connected to the outdoor unit, before wrapping the pipe with insulation and before the VRF system is turned on, the piping work must be pressure tested using dry nitrogen and double-checked to detect any leaks that may occur. The additional amount of refrigerant (HFC R410A) must be calculated based on factory standards and weighed taking into account the length of the actual pipe installed by referring to the factory installation manual. Charging of this refrigerant must be carried out with appropriate equipment and under the supervision of a factory representative. This additional amount of refrigerant must be supplied by the installing contractor and supervised by a representative from the factory. The pressure test must be carried out by the installing contractor and supervised by a factory representative. The vacuum system piping process must be carried out by the installing contractor and supervised by a factory representative. 2. AC system operation, in operation, room temperature control is carried out using a thermostat which can be adjusted individually or using a centralized AC operation control system from the control center. Classification of control systems A Screen Touch operated or PC system centralized controller of the same brand as the AC unit must have the following functions: ● The control system can cover operations ranging from 16 indoor units to 256 indoor units and combinations can be connected up to a total of 8,192 indoor units. ● Can be connected to BMS (Building Management System). ● Operational monitoring and trouble shooting of the AC system. ● Start/Stop and operational locking for all indoor units. ● Peak power operation control. ● Control settings: temperature, operation mode, fan speed and locking of all indoor units. ● 1 year schedule of operational system. ● Can use a fire alarm signal to turn off the entire AC 3. Design conditions ● Room temperature: 24˚C (±2˚C) ● Outside air temperature: 35˚C ● Relative humidity: 60 10 % RH 11.3 REFRIGERANT and DRAINAGE PIPING A. Refrigerant Piping Requirements a. The refrigerant pipe must be de-oxidized phosphorous seamless copper pipe with High pressure resistance Type ASTM B280 REV A Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service in accordance with the JIS H300 - C1220T standard, with a pipe diameter thickness in accordance with the manufacturer's recommended standards. Both the suction and gas parts must be insulated with insulation that is in accordance with the manufacturer's recommended insulation thickness according to the humidity level at the location where the unit is installed so that condensation does not occur. All shut-off valve connections in the outdoor unit must be brazed to prevent refrigerant leaks. Work equipment for refrigeration system installation must be used. Dry Nitrogen must be flowed into the piping system during brazing so that carbon does not form in the pipe which can later cause dirt which can cause a dead end in the system and can damage the compressor. The refrigerant pipe insulation used is type EPDM (Ethylene Propylene Dyene Monomer) Closed Cell Elastromeric Class "1", ASZTM E84 with fire rated Class "O" with a minimum thickness of 19 - 25 mm for Suction lines and 10 mm for Liquid lines (Adjusting to the diameter of the refrigerant pipe) b. If there is a discrepancy between the Planning Drawings and the regulations/Recommendations from the Manufacturer, the Contractor must report it to the Director for resolution. B. Refrigerant Pipe Installation Requirements 1. Connection, ● Must be Branzed Joints with Sweat Fitting. ● Must use Forged / Extruded Copper Fittings according to standard ASA-B.16.181963. ● Must use Hard Soldering process. ● Filter Material with 'Silver Base Alloy' Melting for 1000 0F. ● The connection to the equipment is adjusted to the outlet of the equipment. ● The soldering/brazing process must be carried out by flowing Dry Nitrogen gas on the inside of the pipe, to avoid the buildup of soot and scale on the inside surface of the pipe connection / fitting / elbow. 2. Finishing of the new refrigerant pipe insulation may be done after going through a pressure test using Dry Nitrogen. The leak test process must go through several stages/steps below; ● Step 1 Test Press on the installed installation pipe, at a pressure of 500 Psi (minimum 1x24 hours) ● Step 2 Test Press the installed installation pipe connected to the indoor unit, at a pressure of 250 Psi (at least 1 x 24 hours). 3. The pipe must be completely straight and secured with pipe position clamps with a maximum distance between support stands of 1.5 m C. Requirements for Installing Refrigerant Pipe Insulation a. The insulation must be of the EPDM type and have an insulation thickness according to the manufacturer's standard requirements b. Isolation must be installed by inserting the pipe into the hole provided without tearing the insulation. c. If a tear occurs in the insulation, it must be resealed using rubber glue such as Fox or similar. d. Finishing the thermal insulation connection work is that after it has been connected and sealed with glue, the connection point is given thermal insulation tape (aerotape with a thickness of 0.5mm around the connection point). e. If the tear is longer than 40 cm, the insulation must be replaced. f. After the insulation is installed, for piping that is exposed to direct sunlight, it must be wrapped in Aluminum Foil and given jacketing to prevent the insulation from being damaged due to exposure to rainwater and hot sun. g. The sides of the Aluminum foil must be glued with Foil Tape so that it is really tight. h. The parts that will be clamped or supported must be protected with BjLS 100 plates which are curved according to the form of isolation. D. Drainage Pipe Installation Requirements a. The drainage pipe uses PVC standards 10Kg/cm2 b. Must be installed with a minimum slope of 1% c. Pipes must be insulated with a layer of insulation / thermal insulation with a minimum thickness of 9mm d. PVC pipe joints must be glued with PVC wavin glue or similar e. The minimum pipe size for the Wall mounted type is a minimum of 5/8 inch from the indoor unit and installation with a condensate main pipe with a larger diameter to the final disposal. f. The pipe must be completely straight and secured with pipe position clamps with a maximum distance between stands or supports of 1.2 m. E. Outdoor Unit Installation Requirements a. Outdoor unit installation must comply with the manufacturer's installation standards b. Outdoor installation must use support from concrete with a minimum height of 10 cm and provide H beam bearings with a height of 10 cm and finishing using a rubber mounting sheet (Rubber Pad) between the concrete support and H Beam with a minimum thickness of 2 cm and installed with anchor bolts of minimum M 10. 11.3 INSTALLATION AND TESTING REQUIREMENTS A. General Provisions, a. When the equipment/machinery unit ordered by the Contractor arrives at the site, the packing crate or container must immediately be unloaded under the joint witness of the representative of the Assignee, officers from the shipping service company (carrier/transporter agencies) and a visual inspection of the condition of the equipment is carried out. b. The contractor is tasked with creating and filling in a check-list for inspection and submitting it to the Deputy Assignor. c. If the above visual inspection reveals physical damage to the equipment, then all replacements/repairs etc. will be arranged by the Deputy Assignor. d. Especially for damage to the paint layer, the Contractor must carry out repairs by repainting with at least the same painting quality, where previously thorough cleaning must be carried out (with a wire brush, degreasing liquid and so on). e. Everything that arises as a result of the description above is the responsibility and expense of the Contractor concerned. f. Machine Unit Installation, The installation connection of power cables, control cables and piping must be adjusted to factory requirements. If there is a discrepancy with the Contract Documents, which can result in disruption of operations, the contractor must submit shop drawings for approval by the Employer. B. Testing Requirements General Provisions, ● The test must be witnessed by the Planner and the Assignee's representative. ● New system operation testing may be carried out after the system has worked well for 3 x 24 hours. ● No later than 14 (fourteen) days before it is carried out, the Contractor must submit the test procedures to the Employer. ● Start-up of the Air Conditioning Machine Unit may only be carried out by experts from the brand's representatives in Indonesia. C. Control System Operation Setup and Testing ● After the system is operated, in the presence of the Employer, the Contractor must check all wiring hook-ups of all control equipment and carry out a dummy test to check the movements, response and smoothness of the system. ● Things that must be set and adjusted (set and adjusted) are the set point and throttling range of each piece of equipment so that operation/work failures do not occur due to differences in throttling range between each piece of equipment. D. System Operation Testing ● This test is carried out after all equipment or systems have been tested and cleaned, and have undergone a 'trial-run' for 3x24 hours. ● This test is intended to simultaneously test the system's capabilities by operating continuously for 3x24 hours. ● During this test, the Contractor must carry out together with the Employer and on the instructions of the Employer, the following: − Observe the entire piping system. − Observe the entire air duct system. − Observe the operation of the control system. − Observe the working of Indoor and Outdoor Unit equipment in the Air Conditioning system. − Repair anything that is still not operating properly and if there is excessive vibration or noise. E. Test Report ● Use the forms listed in the book 'SMACNA, Testing and Balancing of Air Conditioning Systems' and/or the book 'NEBB', National Engineering Balancing Bureau. ● All requirements for the above are the responsibility of the Contractor concerned, both in terms of procuring original books, photocopies of forms and filling them out so that they provide good test results. F. Providing Adjustment Signs (Marking) After the entire system is working well, smoothly and in accordance with its function, the Contractor must provide markings on the outdoor system, electrical panels for each installed AC unit that have been approved by the Employer. G. Equipment Maintenance and Warranty The supplier must provide a 12 month guarantee on the unit (excluding consumable materials such as: Refrigerant, Oil, air filter, fuses) and labor from the startup date and 3 guarantee visits must be carried out during the warranty period to check the condition of the unit (excluding cleaning work). Written report must be given to the owner no later than 1 week after each visit is carried out. The installing contractor must provide an installation guarantee for 12 months starting from the date of hand over. H. Call Center AC suppliers must have a call center that operates 24 hours a day, 7 days a week and 365 days a year to support after-sales service and provide full guarantees to the installing contractor.