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VA 23 08 00-2010 COMMISSIONING OF HVAC SYSTEMS.pdf

1、07-10 23 08 00 - 1 SECTION 23 08 00 COMMISSIONING OF HVAC SYSTEMS PART 1 - GENERAL 1.1 DESCRIPTION A. The requirements of this Section apply to all sections of Division 23. B. This project will have selected building systems commissioned. The complete list of equipment and systems to be commissioned

2、 are specified in Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS. The commissioning process, which the Contractor is responsible to execute, is defined in Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS. A Commissioning Agent (CxA) appointed by the Department of Veterans Affairs will manage

3、 the commissioning process. 1.2 RELATED WORK A. Section 01 00 00 GENERAL REQUIREMENTS. B. Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS. C. Section 01 33 23 SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. 1.3 SUMMARY A. This Section includes requirements for commissioning the HVAC systems, subsystem

4、s and equipment. This Section supplements the general requirements specified in Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS. B. The commissioning activities have been developed to support the VA requirements to meet guidelines for Federal Leadership in Environmental, Energy, and Economic Per

5、formance. SPEC WRITER NOTE: Paragraph C is for LEED projects. Delete paragraph or subparagraphs as necessary for specific projects. C. The commissioning activities have been developed to support the United States Green Building Council (USGBC) LEED rating program and to support delivery of project p

6、erformance in accordance with the Contract Documents developed with the approval of the VA. 1. Commissioning activities and documentation for the LEED section on “Energy and Atmosphere” prerequisite of “Fundamental Building Systems Commissioning”. 2. Commissioning activities and documentation for th

7、e LEED section on “Energy and Atmosphere” requirements for the “Enhanced Building System Commissioning” credit. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-07-10 23 08 00 - 2 3. Activities and documentation for the LEED section on “Measurement an

8、d Verification” requirements for the Measurement and Verification credit. D. Refer to Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS for more specifics regarding processes and procedures as well as roles and responsibilities for all Commissioning Team members. 1.4 DEFINITIONS A. Refer to Sectio

9、n 01 91 00 GENERAL COMMISSIONING REQUIREMENTS for definitions. 1.5 COMMISSIONED SYSTEMS A. Commissioning of a system or systems specified in this Division is part of the construction process. Documentation and testing of these systems, as well as training of the VAs Operation and Maintenance personn

10、el, is required in cooperation with the VA and the Commissioning Agent. SPEC WRITER NOTE: Paragraph B should list the specific systems that will be commissioned. Edit the list as necessary for specific projects. The list below should match the list included in Section 01 91 00 GENERAL COMMISSIONING

11、REQUIREMENTS. It is recommended that the list included in Section 01 91 00 be developed first and then copied/pasted into the list below. Both lists should be identical to prevent confusion. B. The following HVAC systems will be commissioned: 1. Air Handling Systems (including terminal units and ene

12、rgy recovery units) 2. Air Handling Systems (Fans, motors, Variable Speed Drives, cooling coils and control valves, heating coils and control valves, filters, dampers, safeties such as smoke detectors or freezestats and damper end switches, controls, gages, and vibration isolation). 3. Dehumidificat

13、ion Systems (Energy recovery devices such as enthalpy wheels, fans, motors, Variable Speed Drives, cooling coils and control valves, heating coils and control valves, filters, dampers, safeties, controls, gages, and vibration isolation). 4. Heating Hot Water Systems (Boilers, controls, instrumentati

14、on and gages, flues, heating water pumps and motors, Variable Speed Drives, mixing valves). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-07-10 23 08 00 - 3 5. Condensate Return Systems (Condensate receivers and transfer pumps, motors, controls, pu

15、mp alternator, alarms and instrumentation, deaerators, boiler feed pumps and motors, safeties). 6. Chilled Water Systems (Chilled water pumps and motors, Variable Speed Drives, chiller motor/compressor, controls, instrumentation and safeties, isolation valves, blending valves, side stream water clea

16、ners/scrubbers/filters). 7. Condenser Water Systems for Chillers (Condenser water pumps and motors, Variable Speed Drives, cooling tower fans, cooling tower sump level controls, open-circuit water treatment system, water treatment injection pumps and motors, water treatment controls, cooling tower b

17、asin heaters and controls, side stream water cleaners/scrubbers/filters, tower bypass valves). 8. Exhaust Fans (Fan, motor, Variable Speed Drives, controls and safeties). 9. Steam System (Boilers, controls, gages and instrumentation, safety relief valves, combustion burners/fans/motors, fuel deliver

18、y pumps and motors, flues). 10. Direct Digital Control System (BACnet or similar Local Area Network (LAN), Operator Work Station hardware and software, building controller hardware and software, terminal unit controller hardware and software, all sequences of operation, system accuracy and response

19、time). 11. Laboratory Exhaust Systems (Fume hoods, pressure controls, system alarms, fans, motors, and Variable Speed Drives). 13. Laboratory Ventilation Systems (Supply air terminal units and controls, pressure controls and alarms, fans, motors, and Variable Speed Drives). 14. OR Air Handling Syste

20、ms (Fans, motors, Variable Speed Drives, Energy recovery devices such as heat pipes, cooling coils and control valves, heating coils and control valves, filters, HEPA filter performance, dampers, safeties such as smoke detectors or freezestats and damper end switches, controls, gages, and vibration

21、isolation). 15. Radiology/Imaging Cooling Systems (Fans, motors, Variable Speed Drives, cooling coils and control valves, filters, dampers, safeties, controls, gages, and vibration isolation). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-07-10 23

22、08 00 - 4 16. Computer Room Air Conditioning Systems (CRAC units including fans, motors, Variable Speed Drives, cooling coils and control valves, heating coils and control valves, humidifiers, compressors and liquid-cooled condensers, filters, safeties, controls, gages, vibration isolation, condensa

23、te pumps, water/leak detection system and alarms, and shunt trip shut down). 17. Room Pressurization Equipment (Pressure sensors, terminal units/dampers, and controls and alarms). 18. HVAC Water Treatment Systems (Closed circuits including shot feeders and final water analysis, open circuits includi

24、ng water analysis, chemical/biocide tanks, injection piping, chemical/biocide pumps and motors, controls, water meter, and automatic blowdown). 19. Commercial Kitchen Hoods & Associated Fire Suppression Systems (Fans, motors, Variable Speed Drives, automatic shut down on fire suppression discharge,

25、and gas valve operation). 20. Fuel Delivery and Storage Systems for Boilers and Standby Generators (Fuel level monitoring/controls/alarms, transfer pumps and motors, leak detection monitoring/alarms, and fill systems) 1.6 SUBMITTALS A. The commissioning process requires review of selected Submittals

26、. The Commissioning Agent will provide a list of submittals that will be reviewed by the Commissioning Agent. This list will be reviewed and approved by the VA prior to forwarding to the Contractor. Refer to Section 01 33 23 SHOP DRAWINGS, PRODUCT DATA, and SAMPLES for further details. B. The commis

27、sioning process requires Submittal review simultaneously with engineering review. Specific submittal requirements related to the commissioning process are specified in Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS. PART 2 - PRODUCTS (NOT USED) PART 3 - EXECUTION 3.1 PRE-FUNCTIONAL CHECKLISTS A

28、. The Contractor shall complete Pre-Functional Checklists to verify systems, subsystems, and equipment installation is complete and systems are ready for Systems Functional Performance Testing. The Commissioning Agent will prepare Pre-Functional Checklists to be used to document equipment installati

29、on. The Contractor shall complete the checklists. Completed checklists shall be submitted to the VA and to Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-07-10 23 08 00 - 5 the Commissioning Agent for review. The Commissioning Agent may spot check a

30、 sample of completed checklists. If the Commissioning Agent determines that the information provided on the checklist is not accurate, the Commissioning Agent will return the marked-up checklist to the Contractor for correction and resubmission. If the Commissioning Agent determines that a significa

31、nt number of completed checklists for similar equipment are not accurate, the Commissioning Agent will select a broader sample of checklists for review. If the Commissioning Agent determines that a significant number of the broader sample of checklists is also inaccurate, all the checklists for the

32、type of equipment will be returned to the Contractor for correction and resubmission. Refer to SECTION 01 91 00 GENERAL COMMISSIONING REQUIREMENTS for submittal requirements for Pre-Functional Checklists, Equipment Startup Reports, and other commissioning documents. 3.2 CONTRACTORS TESTS A. Contract

33、or tests as required by other sections of Division 23 shall be scheduled and documented in accordance with Section 01 00 00 GENERAL REQUIREMENTS. The Commissioning Agent will witness selected Contractor tests. Contractor tests shall be completed prior to scheduling Systems Functional Performance Tes

34、ting. 3.3 SYSTEMS FUNCTIONAL PERFORMANCE TESTING: A. The Commissioning Process includes Systems Functional Performance Testing that is intended to test systems functional performance under steady state conditions, to test system reaction to changes in operating conditions, and system performance und

35、er emergency conditions. The Commissioning Agent will prepare detailed Systems Functional Performance Test procedures for review and approval by the Resident Engineer. The Contractor shall review and comment on the tests prior to approval. The Contractor shall provide the required labor, materials,

36、and test equipment identified in the test procedure to perform the tests. The Commissioning Agent will witness and document the testing. The Contractor shall sign the test reports to verify tests were performed. See Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS, for additional details. 3.4 TRA

37、INING OF VA PERSONNEL A. Training of the VAs operation and maintenance personnel is required in cooperation with the Resident Engineer and Commissioning Agent. Provide competent, factory authorized personnel to provide instruction Provided by IHSNot for ResaleNo reproduction or networking permitted

38、without license from IHS-,-,-07-10 23 08 00 - 6 to operation and maintenance personnel concerning the location, operation, and troubleshooting of the installed systems. The instruction shall be scheduled in coordination with the Resident Engineer after submission and approval of formal training plans. Refer to Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS and Division 23 Sections for additional Contractor training requirements. - END - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-

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