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HomeMy WebLinkAbout22-0800-Plumbing-Systems-Commissioning_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 22 0800 Pluming Systems Commissioning 1 of 2 SECTION 22 08 00 PLUMBING SYSTEMS COMMISSIONING PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and General Provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.2 RELATED SECTIONS A. Division 22 – Plumbing B. Section 019113 – General Commissioning Requirements 1.3 REQUIRMENTS A. The Commissioning process requires the participation of Division 22, Plumbing, to ensure that all systems fulfill the functional and pre-functional requirements set forth in these construction documents. The general commissioning requirements and coordination are detailed in Section 019113. Division 22, Plumbing, shall fulfill commissioning responsibilities assigned to division 22 in accordance with Section 019113. PART 2 - PRODUCTS (NOT USED) PART 3 - EXECUTION 3.1 PRE-FUNCTIONAL CHECKLISTS A. Pre-functional checklists assist in the process to document that the equipment and systems are installed properly. B. The contractor will be provided with construction checklists from the CA for completion. The contractor shall complete the checklists as provide the CA with completed copies in accordance with 019113. C. See attached for a sample pre-functional performance test checklist, attached is included only to provide sample of a typical process and scope. 3.2 FUNCTIONAL PERFORMANCE TESTING A. Intent of functional performance testing is to prove thru functional test procedures proper system operation. B. The contractor will be provided with functional performance test procedures to perform while CA witnesses. The contractor shall perform functional tests in accordance with 019113. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 22 0800 Pluming Systems Commissioning 2 of 2 C. See attached for a sample functional performance test checklist, attached is included only to provide sample of a typical process and scope. 3.3 PREFUNCTIONAL CHECKLISTS AND FUNCTIONAL PREFORMANCE TESTING A. Pre-Functional Checklists and Functional performance testing procedures will be performed on the following system types. (Pre Functional and Functional performance testing requirements are in addition to and do not replace any testing required elsewhere in Division 22 or by applicable codes.) Equipment specifically marked as such below shall be provided with start-up of equipment by factory-authorized service representative. 1. Domestic Hot Water Heater and Recirculation System Provide documentation for factory authorized start-up on water heaters. a) Provide sign off and/or documentation of mixing valve setup and recirculation system balancing as per the requirements of the contract documents and or manufacturer’s instructions. b) Provide sign off and/or documentation of system flushing as per the requirements of the contract documents. 2. Sinks and Lavatories 3. Water Closets 4. Acid Neutralization System 3.4 SAMPLE CHECKLISTS A. See Attached. End of Section Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 22 0800 Pluming Systems Commissioning 3 of 2 Contractor Checklist and Functional Test Procedures DOMESTIC WATER HEATER AND RECIRCULATION SYSTEM Please refer to the Master Deficiency and Resolution Log for numbers referenced in parentheses, which will indicate deficiencies discovered and resolved. 1. Participants Discipline Name Company CxA Mechanical Controls TAB Plumbing Electrical Date Returned to CxA 2. Prerequisite Checklist Check Description ☐ The above equipment and systems integral to them are complete and ready for functional testing. ☐ All control system functions for this and all interlocking systems are programmed and operable per contract documents, including final setpoints and schedules with debugging, loop tuning and sensor calibrations completed. ☐ Test and balance completed and approved for the hydronic systems and terminal units connected ☐ All A/E punchlist items for this equipment corrected. ☐ Safeties and operating ranges reviewed. ☐ Schedules and reviewed • This checklist does not take the place of the manufacturer’s recommended checkout and startup procedures. • Items that do not apply shall be noted with the reasons on this form (N/A = not applica- ble, BO = by others). • Contractor’s assigned responsibility for sections of the checklist shall be responsible to see that checklist items by their subcontractors are completed and checked off. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 22 0800 Pluming Systems Commissioning 4 of 2 3. Installation Checks Check if Okay. Enter comment or note number if deficient. Domestic HW Sys- tem General Installation Permanent labels affixed ☐ Casing condition good: no dents ☐ Maintenance access acceptable for unit and components valve has been in-stalled where it can be easily, cleaned, adjusted, etc. ☐ Concrete pad provided ☐ Instrumentation installed according to specification (thermometers, pressure gages, flow meters, etc.) ☐ Clean up of equipment completed per contract documents ☐ Main gas, pilot gas pressure regulators, and high and low pressure switches are vented to the outdoors ☐ Water heater is ASME rated ☐ Piping arrangement installed per the contract documents ☐ Installation of combustion air fan and associated motorized damper ☐ Flue pipe installed as per the contract documents ☐ Valves and Piping Pipe fittings complete and pipes properly supported ☐ Pipes properly labeled ☐ Pipes properly insulated ☐ Relief valve on water heater properly piped ☐ Valves properly labeled ☐ Valves installed in proper direction ☐ Piping system properly flushed ☐ No leaking apparent around fittings ☐ Cold water make-up isolation valve ☐ Isolation valves installed per drawings ☐ Water heater drain valve ☐ ASME Pressure relief valve ☐ Re-circulation line connection to cold water make-up ☐ Gas connection with plug valve ☐ Gas train to water heater ☐ Sensors calibrated ☐ Electrical and Controls Power disconnects in place and labeled ☐ All electric connections tight ☐ Safeties in place and operable ☐ Misc. Aquastat installed on recirculation pumps ☐ Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 22 0800 Pluming Systems Commissioning 5 of 2 Check if Okay. Enter comment or note number if deficient. Domestic HW Sys- tem Recirc pumps in place and service switches in place and labeled ☐ The checklist items all successfully completed for given trade ☐YES ☐NO 4. Functional Testing Record Test # Mode ID Test Procedure (including special conditions) Expected Response Pass Y/N Not e 1 Manufacturers Startup Procedures performed as per manufacturers requirements Startup Report attached 2 Operating control Set operating controller above setpoints degrees F. Burner turns on 3 Operating control Set operating controller below setpoints degrees F. Burner turns off 4 Combustion Fan Interlock (if applicable) Simulate a need for the Water Heater to fire Ensure that the Combustion Air fan is energized on and that the associated motorized damper operates as intended 5 Recirc Pumps Simulate a call for the domes- tic water heater The recirc pumps operate as needed. Ensure also that the disconnect switches associated will turn the pump on/off for ser- vice. 6 Set- ting/balancing the Mixing Valve See methods below As listed below The functional tests have all passed for given trade ☐YES ☐NO ☐ Balancing Procedures have been followed as per manufacturer recommendations per specific manu- facturer. (THIS PAGE IS BLANK)