PART 1: GENERAL 1.01 DESCRIPTION: A. General provisions and other electrical systems are specified in other Sections of Division 26. B. Commissioning is an ongoing process and shall be performed throughout construction. Commissioning verifies that systems are operating in a manner consistent with the Construction Documents. C. This Section covers electrical systems commissioning, as required to demonstrate that the equipment and systems of Division 26 are ready for safe and satisfactory operation, as defined by the Construction Documents. Commissioning shall include, but shall not be limited to, identification of equipment, cleaning, lubrication, start-up, check-out, testing and adjusting of systems, preparation of equipment and systems documentation and of maintenance and operation manuals, Owner training, and preparation of record drawings. D. Commissioning shall conclude with the completion of required deferred testing, training, and system documentation as specified herein and required to demonstrate the proper operation of the electrical equipment and systems provided by this Division. E. Commission the following systems and equipment: 1. Section 26 11 50, Underground Ducts, Manholes and Handholes. 2. Section 26 12 00, Building Wire and Cable, 600 Volt. 3. Section 26 14 30, Wiring Devices. 4. Section 26 17 00, Circuit and Motor Disconnects. 5. Section 26 40 20, Service Entrance. 6. Section 26 44 00, Switchboards. 7. Section 26 45 00, Grounding. 8. Section 26 45 10, Lightning Protection System. 9. Section 26 46 00, Dry-Type Transformers. 10. Section 26 46 50, Low Voltage Busways. 11. Section 26 47 10, Panelboards: a. Lighting and appliance branch circuit panelboards. b. Distribution panelboards. 12. Section 26 47 50, Overcurrent Protective Devices. 13. Section 26 47 60, Individual Circuit Breakers. 14. Section 26 50 10, Lamps. 15. Section 26 50 20, Ballasts. 16. Section 26 51 00, Luminaires. 17. Section 26 59 00, Lighting Control Systems. 18. Section 26 61 40, Uninterruptible Power Supply. 19. Section 26 61 50, Central Inverter System. ETB #0914 26 00 90-1 North Central Advanced Technology Center
1.02 QUALITY ASSURANCE: 20. Section 26 67 10, Surge Protective Devices. A. Provide an Electrical Commissioning Supervisor with 10 years experience in electrical contracting. The Electrical Commissioning Supervisor shall become familiar with the Owner's project requirements and the requirements of the commissioning process as defined in this Section. The Electrical Commissioning Supervisor shall coordinate and execute the required commissioning activities. B. The Electrical Commissioning Supervisor shall review submittal data for conformance with the requirements of the Project, shall monitor compliance with the requirements specified herein for storage and protection of equipment during construction, shall authorize the initial starting of equipment and systems in a manner to avoid damage to equipment, shall oversee start-up, testing, and shall document that the scheduled and specified performance requirements of each system have been accomplished. C. Conform to the following: 1. ASHRAE Guideline 0-2005, The Commissioning Process. 2. ASHRAE Guideline 4-2008, Preparation of Operating and Maintenance Documentation of Building Systems. 3. NECA 90-2009. 1.03 COMMISSIONING RESPONSIBILITIES: A. The Electrical Commissioning Supervisor shall be responsible for scheduling, supervising, and coordinating and executing the start-up, testing, and commissioning activities as specified herein. Include and itemize the cost of commissioning in the contract price, and in each purchase order or subcontract written, include requirements for submittal data, commissioning efforts and documentation, operations and maintenance data, and training as specified herein. B. Electrical commissioning shall take place in three phases. Commissioning requirements for each phase are as follows: 1. Construction Phase: a. Attend a commissioning scoping meeting and additional commissioning meetings, initially scheduled monthly until prefunctional testing of equipment and systems begins, and weekly thereafter during the construction phase to facilitate the commissioning process. The Electrical Commissioning Supervisor shall coordinate meeting attendance. b. Report in writing to the Architect, at least as often as commissioning meetings are scheduled, concerning the status of his activities as they affect the commissioning process, the status of each discrepancy identified during the prefunctional and functional testing process, explanations of any disagreements with the identified deficiencies, and his proposed resolution and schedule for correction of the deficiency. c. Provide documentation of installed systems and equipment, and develop functional testing procedures. This documentation shall include detailed manufacturer installation, start-up, operating, troubleshooting and maintenance procedures; full details of any Ownercontracted tests; full factory testing reports, if any; and full warranty information, including responsibilities of the Owner to keep the warranty in force. In addition, the installation, startup and check-out materials that are actually shipped inside the equipment and the actual field check-out sheet forms to be used by the factory or field technicians shall be submitted to the Architect. d. Develop and submit to the Architect for review and comment, prior to equipment or system start-up, a complete start-up and initial check-out plan using manufacturer's start-up procedures and prefunctional checklists for equipment to be commissioned. ETB #0914 26 00 90-2 North Central Advanced Technology Center
e. Assist in clarifying the proposed operation and control of commissioned equipment in areas where the specifications, control drawings or equipment documentation is not sufficient for writing detailed testing procedures. f. Prepare the specific functional test procedures as specified herein and review the proposed functional test procedures to ensure feasibility, safety, and equipment protection, and provide necessary written alarm limits to be used during the tests. Obtain Architect approval for proposed functional test procedures. g. Prepare a preliminary schedule for commissioning activities, including equipment start-up, and testing, adjusting and balancing start and completion, and update the schedule during the construction period, as appropriate. Notify the Architect immediately when commissioning activities not yet performed or not yet scheduled will delay construction. h. Provide start-up and prefunctional testing for equipment and execute the electrical-related portions of the prefunctional checklists for commissioned equipment during the start-up and initial check-out process. i. Perform and document start-up and system operational check-out procedures, providing a copy to the Architect. j. Correct noncompliance items before beginning functional testing. Discrepancies and problems shall be remedied before functional testing. 2. Acceptance Phase: a. Place equipment and systems into operation and continue their operation during each working day of the testing and commissioning activities, as required. b. Provide skilled technicians to execute starting and prefunctional testing of equipment and to execute the functional tests for each individual piece of equipment and system. Technicians shall be available and present during the agreed upon scheduled tests and for sufficient duration to complete the necessary tests, adjustments and problem solving. c. Perform functional testing for specified equipment and interpret the test data, as necessary. d. Correct deficiencies (differences between specified and observed performance) as identified and interpreted by the Architect and retest the equipment, as required to demonstrate proper operation and performance. e. Prepare operation and maintenance manuals as specified, including clarifying and updating the original sequences of operation to as-built conditions. f. Maintain marked-up record drawings and produce final record drawings of project drawings and contractor-generated coordination drawings. g. Provide specified training of the Owner's operating personnel. h. Coordinate with equipment manufacturers to determine specific requirements to maintain the validity of the warranty. 3. Warranty Period: a. Execute deferred functional testing (after coordinating activity with the HVAC Commissioning Supervisor). b. Correct deficiencies and make necessary adjustments to operations and maintenance manuals and as-built drawings system or equipment modifications made during the warranty period and those identified in any deferred functional performance testing. ETB #0914 26 00 90-3 North Central Advanced Technology Center
PART 2: PRODUCTS 2.01 TEST EQUIPMENT: A. Standard testing equipment required to perform start-up, initial check-out, prefunctional, and required functional performance testing shall be provided by the contractor for the equipment or system being tested. B. Test equipment shall be of the quality and accuracy required to test and/or measure system performance with the tolerances specified and shall have been calibrated within the last 12 months, or as specified herein. Equipment shall be calibrated according to the manufacturer's recommended intervals and when dropped or damaged. Calibration tags shall be affixed or certificates available on request. PART 3: EXECUTION 3.01 SUBMITTALS: 1. Accuracy of sensors shall be at least twice that of the instrumentation being tested. A. Submit additional documentation as required to support the commissioning process. This additional submittal documentation shall include, at a minimum, the proposed start-up and initial check-out procedures, and prefunctional checklists. 3.02 START-UP PLAN AND PREFUNCTIONAL TESTING: A. Prefunctional testing shall be required for each piece of equipment to ensure that the equipment and systems are properly installed and ready for operation, so that functional testing may proceed without delays. Follow the approved start-up, initial check-out, and prefunctional testing procedures. Sampling strategies shall not be used for prefunctional testing. The prefunctional testing for equipment and subsystems of a given system shall be successfully completed and documented prior to functional testing of the system. B. The following procedures shall apply to equipment and systems to be commissioned: 1. Start-up and initial check-out plan: develop the detailed start-up and prefunctional testing plans for equipment and systems that are to be commissioned, as specified herein. Review the proposed procedures and prefunctional testing documentation to ensure that there is written documentation that each of the manufacturer-recommended procedures have been completed. 2. The start-up and initial check-out plan shall consist, as a minimum, of the following: a. The manufacturer's standard written start-up and check-out procedures copied from the installation manuals and manufacturer's normally used field check-out sheets. The plan shall include checklists and procedures with specific boxes or lines for recording and documenting the checking and inspections of each procedure and a summary statement with a signature block at the end of the plan. b. First-run checklist for equipment, including: 1) Equipment properly set. 2) Adjustment of vibration isolators. 3) Equipment properly connected. 4) Completion of initial lubrication procedures. 5) Wiring properly connected. 6) Electrical overload relays appropriate for load. 7) Electrical accessories properly installed and adjusted. 8) Controls, safeties, and time switches properly set. ETB #0914 26 00 90-4 North Central Advanced Technology Center
9) Verification of direction of motor rotation after final electrical connections by jogging motor. 10) Measurement of amperage draw of electric motors and comparison with nameplate rating and with overload heater ratings. 11) Monitoring of temperature build-up in motors and bearings. c. Contractor-developed prefunctional checklists. 3. Prior to energizing, test cables and wiring for continuity, shorts, and circuitry, and correct short circuits, opens, and errors in circuiting. Field test circuits phase-to-phase, phase-to-neutral, phase-toground, and neutral-to-ground. 4. Overcurrent Protective Devices: a. Set field-adjustable devices to dial and tap settings as scheduled in the approved overcurrent protective device coordination study subsequent to installation of units. b. Prior to energizing overcurrent protective devices, test devices for continuity of circuitry and for short circuits. Correct malfunctioning units. 5. Start-up equipment and check-out operation in accordance with manufacturer's published procedures and with the procedures specified herein. a. Submit report on equipment start-up and check-out with data from recorded findings. 6. In addition to other requirements specified herein, manufacturer shall provide services to start-up, check-out, and test the following equipment and systems: a. Emergency power supply systems. b. Switchboards. c. Uninterruptible power supply. 7. Time switches: set for operation as directed by the Owner. 8. Switchboards: a. After complete installation, a certified electrical testing firm shall provide complete switchboard testing, including: 1) Check for tightness of bolted connections. 2) Check for bus bar bracing. 3) Check that contact and joint resistances in circuit breakers are within manufacturer's tolerances. 4) Check for installation and connection of equipment and circuits, and calibration or adjustment of meters, relays, remote controls, and other devices to ensure operation. 5) Test to determine that circuit breaker trip devices are operating and adjusted. 6) Test by high current injection method the ground fault protection of the switchboard device, including selectivity. Certified reports shall be submitted indicating device settings, test current, and each device's measured tripping time, in cycles. In addition, the report shall include the name of the testing firm, date of the testing, and any deviations observed and corrective actions taken during the testing period. ETB #0914 26 00 90-5 North Central Advanced Technology Center
9. Panelboards: a. Prior to energizing, measure the resistance between the neutral bus and ground bus for lighting and appliance branch circuit panelboards. The measurement shall be made with the feeder neutral disconnected. If the resistance is less than 1 megohm test each branch circuit for continuity, short circuits, or circuiting errors. Correct branch circuit problems. A final measurement of the panelboard shall be made and recorded after problems have been corrected. 10. Grounding: a. Ground resistance shall be measured by a licensed professional engineer in accordance with IEEE 81-1983. Measurements shall be made with the grounding system isolated from the utility neutral. Results of the tests shall be submitted in a certified test report, bearing the seal of the test engineer. The certified test report shall include the following minimum data: 11. Luminaires: 1) Project name, date and location of test. 2) Instrument serial number and type used. 3) Sketch, showing layout of ground system and locations of test spikes. 4) Measured ground resistance. a. Luminaires shall be operational at the time of substantial completion. b. Replace lamps that fail within 30 days after the date of substantial completion at no additional cost to the Owner. 12. Lighting control systems: field-test circuits, phase-to-phase, phase-to-neutral, phase-to-ground, and neutral-to-ground. Check continuity, switches, and for short circuits and perform additional tests recommended by the manufacturer. Correct short circuits, opens and errors in circuiting. a. Adjust and set as directed by the Architect including the light levels of each zone in each scene and set up of control accessories. 13. Uninterruptible power supply: as specified in Section 26 61 30, Uninterruptible Power Supply. 14. Central inverter system: system shall be tested under emergency conditions for 1.5 h and checked for full battery restoration after a 24-hour recharge period. C. Identify which trade is responsible for executing and documenting each of the line item tasks and note that trade on the form. Each form may have more than one trade responsible for its execution. D. The Architect reserves the right to witness the above described tests, checks and inspections. Notify the Architect at least 10 days prior to the date scheduled for the tests. E. Four weeks prior to start-up, schedule equipment and systems start-up and check-out and notify the Architect in writing. The execution of the prefunctional checklists, start-up and check-out shall be directed and performed by the Contractor, in accordance with manufacturer's published procedures. The Architect shall be present for the start-up, check-out, and prefunctional testing of the first unit of each type of equipment, and any other tests he designates. F. Sensor calibration: calibration of sensors associated with a given piece of equipment or system shall be included as part of the prefunctional testing and listed on the appropriate test checklists and reports for that system. G. Completed start-up, check-out, and prefunctional test forms shall be completed and submitted to the Architect for review. List outstanding items of the initial start-up and prefunctional procedures that were not completed successfully, at the bottom of the procedures form or on an attached sheet. The procedures form and any outstanding deficiencies shall be provided to the Architect within 2 days of test completion. The Architect shall ETB #0914 26 00 90-6 North Central Advanced Technology Center
review the Contractor's start-up and prefunctional testing reports and shall submit either a noncompliance report or an approval form to the Contractor. The Contractor shall correct items that are deficient or incomplete in the checklists and tests in a timely manner, and shall notify the Architect as soon as outstanding items have been corrected and resubmit an updated start-up report and a statement of correction on the original noncompliance report. When requirements are completed, the Architect shall recommend approval of the start-up and prefunctional testing of each system and schedule the functional testing of the equipment or system. H. Complete start-up and prefunctional testing for a system before functional testing of that system may proceed. 3.03 RETESTING OF EQUIPMENT AND/OR SYSTEMS: A. Provide labor and materials required for retesting of any functional test found to be deficient. B. Prior to retesting, submit required data indicating that the deficient items have been completed and/or corrected to the Architect for approval and rescheduling of the functional test. If during the retesting it becomes apparent that the deficient items have not been completed and/or corrected as indicated in the data provided by the Contractor, the retesting shall be stopped. Costs for the commissioning team to further supervise the retesting of a functional test shall be the responsibility of the Contractor. 3.04 DEFERRED TESTING: A. Schedule and coordinate, with the approval of the Architect, any required tests delayed until building construction is completed, required building occupancy or loading, or other conditions are suitable for the demonstration of equipment or system's performance, as specified herein. Deferred testing shall be executed, documented, and deficiencies corrected as specified herein for functional testing. Adjustments or corrections to the operations and maintenance manuals and as-built documents required by the results of the testing shall be made before the seasonal testing process is considered complete. 3.05 TESTING DOCUMENTATION, NONCONFORMANCE, AND APPROVALS: A. List outstanding items of the initial start-up and prefunctional procedures that were not completed successfully, at the bottom of the functional test procedure forms or on an attached sheet. Procedure forms and any outstanding deficiencies shall be provided to the Architect within 2 days of test completion. The Architect shall review the Contractor's start-up and prefunctional test reports and shall submit either a noncompliance report or an approval form to the Contractor. The Contractor shall work with the Architect to correct and retest deficiencies or uncompleted items. Correct items that are deficient or incomplete in the checklists and tests in a timely manner, and shall notify the Architect as soon as outstanding items have been corrected and resubmit an updated start-up report and a statement of correction on the original noncompliance report. When requirements are completed, recommend approval of the start-up and prefunctional testing of each system and schedule the functional testing of the equipment or system. B. As functional performance testing progresses and deficiencies are identified, work with the Architect to resolve the issues. 3.06 OPERATION AND MAINTENANCE DOCUMENTATION PACKAGE: A. The Electrical Commissioning Supervisor shall compile and prepare documentation for equipment and systems covered in Division 26 and deliver this documentation for inclusion in the operation and maintenance manuals prior to the training of the Owner's personnel. 3.07 INSTRUCTION OF OPERATING PERSONNEL: A. The Electrical Commissioning Supervisor shall schedule, coordinate, assemble and deliver the documentation of the training required by this Division. 3.08 FUNCTIONAL TESTING: A. Functional test requirements for the demonstration of proper system and equipment operation shall be defined by the Electrical Commissioning Supervisor. Execution of these tests and demonstrations of the required performance shall be the responsibility of the Contractor. ETB #0914 26 00 90-7 North Central Advanced Technology Center
B. Functional testing is intended to begin upon completion of a system. Functional testing may proceed prior to the completion of systems or subsystems at the discretion of the Architect and Owner. Beginning system testing before full completion of construction shall not relieve the Contractor from fully completing the system, including prefunctional checklists. C. Functional testing shall be completed and approved by the Architect before the Project will be considered substantially complete. END OF SECTION 26 00 90 ETB #0914 26 00 90-8 North Central Advanced Technology Center