Specifications - City of Montpelier, Vermont

Title:Montpelier District HeatingCity of Montpelier, VT019110 – General Commissioning RequirementsIssue Date:October 17, 2012Page #:21 of 30C. The CxA may request additional design narrative from the engineer and controlscontractor, depending on the completeness of the OPR documentation and sequences provided with the specifications.D. These submittals to the CxA do not constitute compliance for O&M manual documentation. The O&M manuals are the responsibility of the contractor, thoughthe CxA will review and approve them.3.4 PHASED COMMISSIONING (IF REQUIRED)A. If the project requires TAB, startup and performance testing to be executed inphases. Phasing shall be coordinated with the Owner/CM, CxA, and engineer andbe reflected in the overall project schedule and commissioning schedule by thecontractor. Final performance testing of all systems will be as required by thephasing plan. The performance testing of the “systems as a whole” will be performed before final turnover of the entire project.3.5 PERFORMANCE TESTINGA. Requirements. The performance testing shall demonstrate that each system is operating according to the documented design intent and contract documents. Performance testing facilitates bringing the systems from a state of individual substantial completion to full dynamic operation. Additionally, during the testingprocess, areas of deficient performance are identified and corrected, improvingthe operation and functioning of the systems. Performance testing only commences after the contractors have declared the systems and sequence of operations havebeen started, programmed, tested and checked out. Signing of the constructionchecklist is the declaration that the systems are ready for performance testing bythe CxA.B. Coordination and Scheduling. The contractor shall provide sufficient notice, regarding their completion schedule for the construction checklists and startup of allequipment and systems to allow the performance testing to be scheduled. Thecommissioning team shall oversee, witness, and document the performance allequipment and systems. The CxA in association with the contractor/subcontractors and facility staff shall execute the tests. Performance testingshall be conducted after the construction checklists, and startup has been satisfactorily completed. The control system shall be sufficiently tested and approved bythe CxA before it is used, to verify performance of other components or systems.The air balancing and water balancing shall be completed before performancetesting of air or waterrelated equipment or systems. Testing proceeds from components to subsystems to systems. When the proper performance of all interactGENERAL COMMISSIONING REQUIREMENTS 01910 21