OAKDALE CHILLED WATER PLANT CAPACITY UPGRADES UI PROJECT INSTALL CHILLERS SECTION COMMISSIONING

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1 PART I GENERAL 1.01 SECTION INCLUDES A. Commissioning objectives. B. Roles and responsibilities. C. Test Equipment. D. Systems to be commissioned. E. Construction Checklist requirements. SECTION F. Functional Performance Testing requirements. G. Training requirements RELATED REQUIREMENTS A. The following sections contain commissioning-related activities and requirements: 1. Section Submittals 2. Section Project Record Documents 3. Section Contract Closeout 4. Section Operating and Maintenance Manual 5. Specific Product, Equipment, and Assembly Technical Sections PROGRAM OBJECTIVES A. Work completed under this contract will be commissioned as part of Owner's overall project commissioning program. General Contractor shall be responsible to perform testing and commissioning activities. B. Commissioning is intended to achieve the following specific objectives: 1. Verify and document that systems, equipment and components are installed according to the Contract Documents and manufacturer's recommendations, and have received adequate pre-functional checkout. 2. Verify and document the functional performance of systems, equipment and components. 3. Verify continuity between systems, equipment and components. 4. Verify that operation and maintenance documentation is complete and accurate. 5. Verify that Owner's personnel have received the required training. C. The commissioning process is not a substitute for the General Contractor's quality control procedures, and does not diminish or subtract from the General Contractor's responsibility to provide a finished and fully functioning product in accordance with the Contract Documents ROLES AND RESPONSIBILITIES A. AGENT (CxA) 1. Owner will retain Commissioning Agent(s) (CxA) unless noted otherwise within the Contract Documents. 2. CxA shall develop and coordinate execution of a quality assurance plan for systems, equipment and components to be commissioned, shall observe and document performance, and shall determine whether systems, equipment and components are functioning in accordance with Contract Documents. 3. CxA will schedule and conduct a commissioning kickoff meeting. The CxA will prepare and distribute meeting minutes. 4. CxA shall track all deficiencies on CxA s Issues Log. 5. CxA shall review submittals for the purposes of preparing Construction Checklists and Functional Performance Testing procedures. 6. CxA shall review Contractor s documentation submittals for completeness

2 7. CxA shall create Construction Checklists and prepare Functional Performance Testing procedures after the shop drawings have been submitted and reviewed. 8. CxA shall visit site periodically to observe progress of Work to determine if commissioning activities are proceeding in accordance with Contract Documents. 9. CxA shall witness commissioning-related testing. 10. CxA shall facilitate and conduct Owner on-site classroom training and hands-on demonstration sessions with facility operating and maintenance personnel. B. CONTRACTOR S COORDINATOR (CCxC) 1. Contractor shall designate a person with authority to direct work, separate from superintendent or project manager, as the CCxC. The proposed CCxC shall have documented experience managing verification, startup, and closeout of similar systems, equipment and components. Owner s Representative shall have final approval of the proposed CCxC. 2. CCxC is responsible for planning, scheduling, coordinating, conducting and verifying all commissioning activities required by the Contract Documents, ensuring that all systems, equipment and components are complete and functioning. 3. CCxC shall conduct regular commissioning coordination meetings with Design Professional, Owner s Representative, Commissioning Agent, and all Subcontractors of commissioned systems, equipment and components. The purpose of these meetings will be to coordinate schedule, work activities, and deficiency resolution. These meetings shall be independent from the regularly scheduled construction progress meetings. The CCxC will prepare and distribute meeting minutes. 4. CCxC shall review CxA Issues Log and coordinate resolution of all deficiencies, issues, or areas of concern recorded. 5. CCxC shall communicate and coordinate with Owner s Representative and CxA to schedule and execute the commissioning process, including Construction Checklists, Functional Performance Testing, and other activities described in the Contract Documents. 6. CCxC shall visit the site as required by Owner s Representative to observe progress of Work and to determine if commissioning activities are proceeding in accordance with Contract Documents. CCxC shall keep Owner s Representative and CxA informed of progress of the work and commissioning activities. 7. CCxC shall coordinate the scheduling and execution of Owner on-site classroom training and hands-on demonstration sessions. C. GENERAL CONTRACTOR'S RESPONSIBILITIES 1. The cost of all commissioning activities shall be included as part of the General Contractor's bid. General Contractor shall provide all labor, supervision, materials, tools, equipment, and other services, as necessary, to complete commissioning activities in accordance with the Contract Documents. 2. General Contractor shall ensure that all system, equipment and component warranty requirements are followed throughout startup, commissioning, and training process. 3. General Contractor shall coordinate, manage and ensure completion of all commissioning documentation. 4. General Contractor shall invite Owner s Representative, Owner s Operations Personnel and CxA to all equipment startup as optional attendees. The purpose of this invitation is to familiarize personnel with equipment and systems prior to training and turnover. 5. With input from the CxA, General Contractor shall integrate commissioning activities into its master construction schedule. Each system, equipment and component shall be identified separately on General Contractor s schedule. At a minimum, schedule shall identify the following activities and milestones: a. Permanent utilities connected - by individual utility type b. IT interface completed c. End of dust producing activities d. Construction checklists complete by individual system e. Equipment startups completed by individual piece of equipment f. Functional performance testing completed - by individual system. g. Owner training and hands-on demonstration sessions. 6. General Contractor shall correct equipment and system deficiencies

3 PART 2 PRODUCTS TEST EQUIPMENT PART 3 EXECUTION A. General Contractor shall provide all test equipment required for installation, verification, startup, and checkout of systems, equipment and components. B. Specialty equipment, tools and instruments necessary to conduct testing (e.g., available only from the manufacturer for a specific piece of equipment) shall be included in the General Contractor's bid and shall be turned over to Owner at the end of project. C. All test equipment shall be of sufficient quality and accuracy to test and/or measure system performance within the specified tolerances. If not otherwise noted, the following minimum requirements apply: 1. Temperature sensors and digital thermometers shall have an accuracy of 0.5 F and a resolution of plus or minus 0.1 F. 2. Pressure sensors shall have an accuracy of +/- 2.0% of the value range being measured (not full range of meter). D. All test equipment shall be calibrated according to the manufacturer's recommendations or within the past year whichever is more stringent. Calibration tags shall be affixed to test equipment or certificates available upon request SYSTEMS TO BE COMMISSIONED A. PROCESS SYSTEMS 1. Major Equipment: a. Absorption chillers 2 New b. Cooling Towers 1 New 2. Chilled Water System, including chilled water distribution pumps, associated controls and metering: a. Conduct 100% check of central equipment, controls, and interlocks. 3. Condenser Water System, including condenser water pumps, condenser water side stream separator, associated controls and metering: a. Conduct 100% check of central equipment. 4. Refrigerant and solutions pump: a. Conduct 100% check of central equipment. 5. Hot Water System, including hot water secondary pump, associated controls and metering: a. Conduct 100% check of central equipment, controls, and interlocks. 6. Utility Metering and Reporting Systems a. Conduct 100% check of reporting points. 7. Full integration with existing systems. B. MECHANICAL SYSTEMS 1. Makeup Air Handling Unit (MAU-02) - Relocated: a. Conduct 100% check of central equipment, controls, and interlocks. 2. Full integration with existing systems. C. ELECTRICAL SYSTEMS 1. Utility Metering and Reporting Systems a. Conduct 100% check of reporting points. 2. Full integration with existing systems. D. SYSTEMS TO BE COMMISSIONED BY OWNER 1. General Contractor shall provide assistance and participate in the commissioning of the following systems: a. Process Control System Integration

4 3.02 PROCESS A. Construction Activities: 1. CxA will review the commissioning process with the General Contractor and Subcontractors at the pre-construction meeting. 2. Within 60 days of Contract Award, the CxA will schedule and conduct a commissioning kickoff meeting to be attended by the Design Professional, Owner s Representative, CCxC, and General Contractor, and Subcontractors and Suppliers of systems, equipment and components to be commissioned. The purpose of the meeting is to review commissioning requirements, procedures, and documentation. 3. General Contractor shall submit manufacturer's material and equipment shop drawings and documentation to the Design Professional per Section Submittals. 4. CxA shall review the submittal data and prepare final Construction Checklists and Functional Performance Testing Procedures. 5. General Contractor and Subcontractors shall complete the Construction Checklists and any additional testing requirements found in the Construction Documents. 7. CCxC shall review Construction Checklists for completeness and verify that all documentation requirements have been met. 8. After verifying correct installation of systems, equipment and components and approval of Construction Checklist, the CCxC shall schedule and coordinate startup and checkout of equipment, systems, and components. 9. General Contractor and Subcontractors shall provide operators to assist with startup and Functional Performance Testing. Owner will operate equipment and systems during startup and testing. 10. CxA shall witness commissioning-related testing. 11. Systems, equipment or components which fail to meet the Functional Performance Testing requirements shall be corrected by the General Contractor and the tests shall repeated at no additional cost to the Owner. 12. CCxC shall review, schedule, coordinate and document required Owner training CONSTRUCTION CHECKLISTS A. See sample Construction Checklist, attached at the end of this section. B. The objective of Construction Checklists is to verify and document that systems, equipment and components are installed in accordance with manufacturer s instructions and Contract Documents. The CxA shall create Construction Checklists after the shop drawings have been submitted and reviewed. 1. Pre-Installation Verification (PIV) Checklists: This verification is performed as equipment arrives to the project site and is being staged for installation to verify equipment and instrumentation match Contract Document and approved submittals. 2. Pre-Startup Verification (PSV) Checklists: This verification is performed after equipment is installed, but prior to startup to certify equipment and systems have been installed, inspected, complete and ready for startup. 3. Startup Testing Verification (STV) Checklists: This verification is performed after prestartup verification and must be completed prior to Functional Performance Testing to verify equipment and systems are properly connected and ready for operation. C. General Contractor shall complete the Construction Checklists during the course of system, equipment and component installation and not as an activity at the end of the project. Construction Checklists shall certify the individual verification items have been performed, inspected and found to be complete for all systems, equipment and components. (Random sampling and testing of equipment and components is not acceptable.) D. Construction Checklists for a given system must be successfully completed prior to its startup. By completing and signing the Construction Checklists, the CCxC certifies that system, equipment and components are properly installed and ready for startup and functional performance testing. E. CCxC shall notify the Owner s Representative and CxA when Construction Checklists are complete

5 F. Construction Checklists may be in addition to other testing, verification, and startup required elsewhere in Contract Documents (i.e. pipe cleaning, pipe hydraulic testing, etc.) FUNCTIONAL PERFORMANCE TESTING A. See sample Functional Performance Test, attached at the end of this section. B. The objective of functional performance testing is to demonstrate that systems, equipment and components operate in accordance with the Contract Documents. C. CxA shall prepare Functional Performance Testing procedures based on the system sequences of operation and the manufacturer's product data. D. All tests that will impact the operations of existing building or utility systems are to be identified by the CCxC and coordinated with Owner s Representative. E. CxA shall oversee and document the results of the Functional Performance Testing. F. General Contractor shall provide assistance as needed to complete the Functional Performance Testing, including, but not limited to, providing access to equipment and components, including use of ladders, lifts, scaffolding and platforms, Personal Protective Equipment, removal of access panels, opening of equipment, manipulation or operation of equipment or components, etc. G. CxA shall test each system through all modes of operation where there is an expected system response. 1. Normal and Maintenance Operations: Each system shall be tested through all modes and sequences of operation (maintenance, seasonal changes, occupied, unoccupied, warmup, cool-down, etc.). Testing shall also demonstrate that system has the required access, etc., for proper maintenance, adjusting, and cleaning. 2. Abnormal, Failure, and Emergency Operations: Each system shall be tested to simulate conditions such as power failure, freezing, low/no flow, deviation from standard operating conditions, human error, etc., to verify proper system responses, shutdowns, alarms and annunciation, and inter-system communications. E. Systems or equipment that fail all or portions of Functional Performance Tests shall be corrected and tests repeated TRAINING A. CxA will facilitate all training. All training will be incorporated into a comprehensive on-site training and demonstrations sessions to train facility operating and maintenance personnel in proper operation and maintenance procedures. B. CCxC shall review, schedule, and coordinate required Owner training. C. Owner training shall consist of four (4) on-site training and demonstrations sessions. Refer to Training defined in Section D. Training and demonstration to start after system is commissioned (Functional Performance Testing completed), but prior to final acceptance testing DEFICIENCIES A. The terms "failure", "deficiency" and "non-conformance" shall be used interchangeably and shall be defined as any condition in the installation or function of a system, piece of equipment or component that is not in compliance with Contract Documents. B. CxA shall track all deficiencies on CxA s Issues Log. Items on the Issues Log are to be corrected by the Contractor prior to Substantial Completion. Any remaining open Items not accepted by Owner may be added to project punch list at the discretion of Owner s Representative

6 C. At the discretion of Owner s Representative, costs associated with retesting systems, equipment and/or components due to deficiencies may be assigned to General Contractor. 1. General Contractor s incomplete or inaccurate Construction Checklists may be considered cause for retesting. D. Failure of systems or equipment to successfully complete Functional Performance Testing or other commissioning requirements shall not be a cause for delay claims ENDURANCE PERIOD A. An Endurance Period is not required for this project

7 SAMPLE CONSTRUCTION CHECKLISTS Pre-Installation Verification (PIV) Checklist Pre-Startup Verification (PSV) Checklist Startup Testing Verification (STV) Checklist

8 Construction Checklist - SAMPLE Absorption Chiller - MECHANICAL PRE-INSTALLATION VERIFICATION (PIV) THIS VERIFICATION IS COMPLETED AS EQUIPMENT ARRIVES TO THE PROJECT SITE AND IS BEING STAGED FOR INSTALLATION. COMPLETE ALL TASKS BY CHECKING 'YES', 'NO, OR N/A IN DESIGNATED BOXES. FOR ALL NO ANSWERS RECORD DESCRIPTION OF FINDINGS UNDER ISSUE. MAKE NOTE OF ANY NON- COMPLIANCE ITEMS BETWEEN PROJECT DRAWINGS, SPECIFICATIONS, AND EQUIPMENT SHIPPED TO PROJECT SITE, RECORD ANY DESCREPANCIES UNDER ISSUE. 3 STEP 1: PRECONDITIONS The preconditions below have been successfully carried out and all system equipment described herein has been addressed. 4 The precondition tasks are completed and have been checked off by parties having DIRECT KNOWLEDGE of each item. 5 Record and secure all installation manuals, parts lists, warrantee forms, operation and maintenance manuals, etc. for later use. 6 The UNIT has been prepared and protected for storage during staging. 7 AT TIME OF DELIVERY all pre-installation activities per manufacturer requirements have been completed. 8 Pre-installation procedure DOCUMENTATION, per manufacturer, for UNIT completed. 9 PRIOR TO PLACEMENT of UNIT, all pre-installation ACTIVITIES have been completed per manufacturer requirements hours advance notification of CxA expected equipment delivery dates has been completed. 11 STEP 2: MODEL VERIFICATION The verifications below have been successfully carried out. Document delivered equipment in designated column Answer Detail with each piece of equipment delivered. 12 Delivered equipment matches submittal data Complete: 13 Manufacturer Confirmation: [enter manufacturer s name from approved submittal] 14 Model Number Confirmation: [enter model number from approved submittal] 15 Serial Number: [enter serial number of the UNIT] 16 Capacity Confirmation: [enter capacity (TONS) from approved submittal] 17 Refrigerant Confirmation: [enter refrigerant type from approved submittal] 18 Evaporator Flow Confirmation: [enter flow (GPM) from approved submittal] 19 Condenser Flow Confirmation: [enter flow (GPM) from approved submittal] 20 Heat Recovery Flow Confirmation: [enter flow (GPM) from approved submittal] 21 Evaporator Entering Water Temperature Confirmation: [input the entering water temperature (deg F) from approved submittal] 22 Evaporator Leaving Water Temperature Confirmation: [input the leaving water temperature (deg F) from approved submittal] 23 Condenser Entering Water Temperature Confirmation: [input the entering water temperature (deg F) from approved submittal] 24 Condenser Leaving Water Temperature Confirmation: [input the leaving water temperature (deg F) from approved submittal] 25 Heat Recovery Entering Water Temperature Confirmation: [input the entering water temperature (deg F) from approved submittal] 26 Heat Recovery Leaving Water Temperature Confirmation: [input the leaving water temperature (deg F) from approved submittal] 27 Unit Volts / Phase / Hz Confirmation: [ enter unit V / PH/ Hz from approved submittal] 28 STEP 3: PRE-INSTALLATION CHECKS The verifications below have been successfully carried out by parties having DIRECT KNOWLEDGE of each item. 29 Unit Complete: 30 Inspect UNIT for shipping damage. Record all damage and attach unit sketches as necessary for record purposes. 31 Verify nameplate against the approved submittal data and verify receipt of the proper item model (refer to above checklists) 32 Verify that UNIT delivered to the site is stored in a manner that provides adequate protection. 33 Verify continued protection during handling and storage

9 34 Place UNIT in weather protective environment or otherwise protect from the elements until UNIT is installed in its final location. 35 Verify that UNIT has been shipped with vibration isolators. 36 Piping Complete: 37 Verify that all piping connections have been shipped with protective caps or plugs intact. 38 Record all open piping conditions and inspect piping internals. All piping found to be shipped open shall be cleaned and flushed prior to installation. 39 Verify that all pipe openings and connection point covers are intact and adequate for continued protection during handling and storage. 40 Verify that all unit openings and connection point covers are intact and adequate for continued protection during handling and storage. 41 Confirm all components shipped under vacuum, pressure charge, or nitrogen charge has maintained integrity during shipping and handling. 42 Accessories Complete: 43 Verify that all UNIT components delivered to site are stored in a manner that provides adequate protection. 44 Place all components in weather protective environment or otherwise protect from the elements until UNIT is installed in its final location. 45 Confirm control board / factory controls are mounted and free of damage. PRE-STARTUP VERIFICATION (PSV) THIS VERIFICATION IS COMPLETED AFTER EQUIPMENT IS INSTALLED AND PRIOR TO STARTUP. COMPLETE ALL TASKS BY CHECKING 'YES', 'NO, OR N/A IN DESIGNATED BOXES. FOR ALL NO ANSWERS RECORD DESCRIPTION OF FINDINGS UNDER ISSUE. RECORD ANY DESCREPANCIES UNDER ISSUE. 3 STEP 1: REQUESTED DOCUMENTATION The documents below have been submitted (to CxA) by parties having DIRECT KNOWLEDGE of each item. 4 Performance data (fan curves, coil data, etc.) 5 Installation and startup manual. 6 Operations and Maintenance manuals (O&Ms) 7 Warranty Certificates 8 Pipe pressure testing reports 9 STEP 2: UNIT VERIFICATION The verification below has been successfully carried out by parties having DIRECT KNOWLEDGE of each item. 10 Verify model number to documented PIV model verification sheet. 11 Verify serial number to documented PIV model verification sheet. 12 Location of unit correct. 13 STEP 3: PHYSICAL INSTALLATION VERIFICATION The verification below has been successfully carried out by parties having DIRECT KNOWLEDGE of each item. 14 General Installation: 15 Installation on concrete inertia pad. 16 Installation on housekeeping pad. 17 Visible damage present. 18 Permanent labels affixed. 19 Seismic restraints in place. 20 Temperature, pressure, and flow gauges and sensors installed near all control sensors. 21 Maintenance access acceptable for unit and components. 22 Vibration isolation equipment installed & released from shipping blocks. 23 Access to control panel of UNIT is sufficient for maintenance. 24 Refrigerant Piping Complete: 25 Piping system properly flushed / cleaned. 26 Piping properly insulated. 27 Piping properly labeled. 28 Piping properly supported. 29 Valves properly tagged. 30 Piping (suction/liquid lines) properly pitched towards either end per manufacturer s installation directions. 31 Provisions for suction and discharge pressure readings. 32 Pipes properly insulated. 33 Pipes properly labeled

10 34 Absorption Chiller Complete: 35 Evaporator Air Vent piping complete. 36 Refrigerant relief piping complete. 37 Refrigerant level verified. 38 Oil Level verified. 39 Oil Heater installation correct. 40 Oil Filter confirmed clean. 41 Confirm no leaks. STARTUP TESTING VERIFICATION (STV) THIS VERIFICATION IS COMPLETED AFTER PRE-STARTUP CHECKS ARE COMPLETE AND MUST BE COMPLETED PRIOR TO FUNCTIONAL PERFORMANCE TESTING WITH THE CxA. COMPLETE ALL TASKS BY CHECKING 'YES', 'NO, OR N/A IN DESIGNATED BOXES. FOR ALL NO ANSWERS RECORD DESCRIPTION OF FINDINGS UNDER ISSUE. RECORD ANY DESCREPANCIES UNDER ISSUE. 3 STEP 1: PRECONDITIONS The preconditions below have been successfully carried out and all system equipment described herein has been addressed. 4 The precondition tasks are completed and have been checked off only by parties having DIRECT KNOWLEDGE of each item. 5 Startup and operation of UNIT shall not proceed until satisfactory completion of the pre-startup checks is complete and reviewed by CxA. 6 All portions of the distribution system serving components not fully installed at the time of system startup shall have been fully isolated. 7 All startup procedures and data sheets shall be completed in conjunction with UNIT startup 8 Manufacturer s startup sheet complete and submitted for review. 9 Installation and application comply with the manufacturer s recommendations. 10 Warranty sheet complete. 11 STEP 2: OPERATIONAL VERIFICATION The verification below has been successfully carried out by parties having DIRECT KNOWLEDGE of each item. 12 Noise level and/or vibration acceptable. 13 STEP 3: SYSTEM VERIFICATION NOT USED

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12 SAMPLE FUNCTIONAL PERFORMANCE TEST

13 Functional Performance Test - SAMPLE Absorption Chiller MECHANICAL FUNCTIONAL PERFORMANCE TEST (FPT) TEST MODE: SHUTDOWN OPP/OCWP PLC-BASED CONTROLS & MANUAL CONTROL 2 MODE TYPE: 3 Occupied. 4 UNIT STATUS: 5 Off. 6 TEST SEQUENCE: The absorption chillers shall be capable of being disabled manually or when future connections temperatures are below 138 F (adj). If the absorption chillers are disabled, the associated condenser and cooling water 2-way isolation valves shall be closed. The associated primary hot water pumps and chilled water distribution pumps shall be de-energized. 7 TEST PROTOCOL: Using the OPP/OCWP PLC-based control Operator Workstation, raise the absorption chiller enable setpoint (based on hot water return temperature) above current hot water return temperature. Verify the absorption chillers and pumps are disabled and the 2-way isolation control valves are closed. 8 What was the initial absorption chiller enable setpoint (hot water return temperature) and the current return water temperature? 9 What temperature was the chiller enable setpoint overridden to? 10 TEST ACTION/RESULTS: 11 Absorption Chillers 12 Is Absorption Chiller CWS-CHLR-003 de-energized? 13 Is Absorption Chiller CWS-CHLR-004 de-energized? 14 Primary Hot Water Pumps 15 Is Primary Hot Water Pump HWS-P-CNT-002A de-energized? 16 Is Primary Hot Water Pump HWS-P-CNT-002B de-energized? 17 Chilled Water Distribution Pumps 18 Is Chilled Water Distribution Pump CWS-P-CNT-003 de-energized? 19 Is Chilled Water Distribution Pump CWS-P-CNT-004 de-energized? 20 Chiller Condenser Water Isolation Valves 21 Is the 2-way condenser water isolation control valve closed for CWS-CHLR-003? 22 Is the 2-way condenser water isolation control valve closed for CWS-CHLR-004? 23 Chiller Chilled Water Isolation Valves 24 Is the 2-way chilled water isolation control valve closed for CWS-CHLR-003? 25 Is the 2-way chilled water isolation control valve closed for CWS-CHLR-004? 26 Has the chiller enable setpoint override been released? 27 Any additional comments? 28 PRINT/CAPTURE SCREENSHOT OF OPP/OCWP PLC-BASED CONTROL GRAPHIC ASSOCIATED WITH TEST ABOVE TEST MODE: STARTUP 30 MODE TYPE: 31 Occupied. 32 UNIT STATUS: 33 Off. 34 TEST SEQUENCE: When the hot water return temperature from the distribution system or future connections temperatures are above 138 F (adj), the absorption chiller plant shall be initialized. The lead absorption chiller condenser and chilled water isolation control valve shall open. The lead absorption chiller, lead primary heating water pump and lead chilled water pump shall be energized. 35 TEST PROTOCOL: Using the OPP/OCWP PLC-based control Operator Workstation, override the absorption chiller enable setpoint (based on heating return water temperature) below current heating return water temperature. Verify the lead absorption chiller 2-way isolation control valves are open and the lead absorption chiller, lead primary heating and lead primary chilled water pumps energized. 36 What was the initial chiller enable setpoint (hot water return temperature) and the current return water temperature? 37 Record the pretest condenser water temperature. 38 Record the pretest chilled water temperature

14 39 What temperature was the absorption chiller enable setpoint overridden to? 40 Is the location of the building return water temperature sensor located prior to the decoupled connection from the heating side of the absorption chiller system? 41 TEST ACTION/RESULTS: 42 Record the current absorption chiller enable setpoint. 43 Record the current condenser water temperature. 44 Record the current chilled water temperature. 45 Absorption Chillers 46 Is Absorption Chiller CWS-CHLR-003 de-energized? 47 Is Absorption Chiller CWS-CHLR-004 de-energized? 48 Is the runtime of absorption chiller CWS-CHLR-003 being monitored? 49 Is the runtime of absorption chiller CWS-CHLR-004 being monitored? 50 How many run hours are required before the lead absorption chiller is rotated? 51 Primary Hot Water Pumps 52 Is Primary Hot Water Pump HWS-P-CNT-002A de-energized? 53 Is Primary Hot Water Pump HWS-P-CNT-002B de-energized? 54 Is the runtime of HWS-P-CNT-002A being monitored? 55 Is the runtime of HWS-P-CNT-002B being monitored? 56 How many run hours are required before the lead primary heating water pump is rotated? 57 Chilled Water Distribution Pumps 58 Is Chilled Water Distribution Pump CWS-P-CNT-003 de-energized? 59 Is Chilled Water Distribution Pump CWS-P-CNT-004 de-energized? 60 Is the runtime of CWS-P-CNT-003 being monitored? 61 Is the runtime of CWS-P-CNT-004 being monitored? 62 How many run hours are required before the lead primary chilled water pump is rotated? 63 Chiller Condenser Water Isolation Valves 64 Is the 2-way condenser water isolation control valve closed for absorption chiller CWS-CHLR-003? 65 Is the 2-way condenser water isolation control valve closed for absorption chiller CWS-CHLR-004? 66 Was the isolation control valve opened before the pump and absorption chiller were energized (5 min (adj.) delay)? 67 Was flow proven through condenser via the differential pressure switch before absorption chiller was allowed to start? Record enable differential pressure setting. 68 Chiller Chilled Water Isolation Valves 69 Is the 2-way chilled water isolation control valve closed for absorption chiller CWS-CHLR-003? 70 Is the 2-way chilled water isolation control valve closed for absorption chiller CWS-CHLR-004? 71 Was the isolation control valve opened before the pump and absorption chiller were energized (5 min (adj.) delay)? 72 Was flow proven through evaporator via the differential pressure switch before absorption chiller was allowed to start? Record enable differential pressure setting. 73 Has the absorption chiller enable setpoint override been released? 74 Any additional comments? 75 PRINT/CAPTURE SCREENSHOT OF OPP/OCWP PLC-BASED CONTROL GRAPHIC ASSOCIATED WITH TEST ABOVE TEST MODE: ADDITIONAL CHILLER CONTROL 77 MODE TYPE: 78 Occupied. 79 UNIT STATUS: 80 On. 81 TEST SEQUENCE: The OCWP shall maintain a minimum heating supply temperature of 140 F (adj). The additional chiller shall be enabled to maintain this setpoint as needed. As a safety measure, additional absorption chiller(s) may be enabled if the maximum flow of the operating chiller is exceeded as measured by the chilled water or condenser water differential pressure sensors. 82 TEST PROTOCOL: Using the OPP/OCWP PLC-based control Operator Workstation, raise the current heating supply temperature setpoint. Verify the additional chiller is enabled and the setpoint is reached. Verify the heating supply temperature reset schedule. Simulate an excess flow condition through the operating chiller on the chilled water and condenser water sides. Verify the additional absorption chiller is enabled. 83 Are the condenser water and chilled water differential pressure sensors installed? Record the current settings of each. 84 Record the pretest heating supply temperature

15 85 Record the pretest heating supply temperature setpoint. 86 Record the pretest condenser and chilled water flows through chiller. 87 TEST ACTION/RESULTS: 88 Record the current heating supply temperature. 89 Record the current heating supply temperature setpoint. 90 Record the current condenser and chilled water differential pressure settings. 91 Record the current condenser and chilled water flows through chiller (during 2 chiller operation). 92 Absorption Chillers 93 Is Absorption Chiller CWS-CHLR-003 de-energized (lead chiller)? 94 Is Absorption Chiller CWS-CHLR-004 de-energized (lead chiller)? 95 Did the additional absorption chiller energize when required? 96 Primary Hot Water Pumps 97 Is Primary Heat Water Pump HWS-P-CNT-002A de-energized (lead pump)? 98 Is Primary Heat Water Pump HWS-P-CNT-002B de-energized (lead pump)? 99 Chilled Water Distribution Pumps 100 Is Primary Chilled Water Pump CWS-P-CNT-003 de-energized? 101 Is Primary Chilled Water Pump CWS-P-CNT-004 de-energized? 102 Has the setpoint overrides been released? 103 Any additional comments? 104 PRINT/CAPTURE SCREENSHOT OF OPP/OCWP PLC-BASED CONTROL GRAPHIC ASSOCIATED WITH TEST ABOVE TEST MODE: PRIMARY HEATING SUPPLY TEMPERATURE CONTROL 106 MODE TYPE: 107 Occupied. 108 UNIT STATUS: 109 On. 110 TEST SEQUENCE: The OCWP shall maintain a minimum heating supply temperature of 140 F (adj). The primary heating supply temperature reset schedule will affect the actual setpoint. The additional absorption chiller shall be enabled to maintain this setpoint as needed. The primary heating water supply temperature setpoint shall be reset to maintain a maximum of 10 F (adj.) temperature rise above the heat recovery return water temperature. 111 TEST PROTOCOL: Using the OPP/OCWP PLC-based control Operator Workstation, override the heating supply temperature setpoint. Verify the operating absorption chiller modulates accordingly. Adjust the setpoint further and verify the additional absorption chiller enables. Simulate a change in the heating return water temperature and verify the heating supply setpoint offsets accordingly. 112 Is there a primary heating supply temperature setpoint schedule? Record the reset range and what it is based on. 113 Record the pretest heating supply temperature setpoint. 114 Record the pretest condenser and chilled water flows through chiller. 115 Record the pretest differential temperature between heating water supply and return. 116 TEST ACTION/RESULTS: 117 Record the current heating supply temperature. 118 Record the current heating supply temperature setpoint. 119 Record the current condenser and chilled water differential pressure settings. 120 Record the current condenser and chilled water flows through chiller (during 2 absorption chiller operation). 121 Absorption Chillers 122 Is Absorption Chiller CWS-CHLR-003 de-energized (lead chiller)? 123 Is Absorption Chiller CWS-CHLR-004 de-energized (lead chiller)? 124 Did the additional absorption chiller energize when required? 125 Primary Hot Water Pumps 126 Is Primary Heat Water Pump HWS-P-CNT-002A de-energized (lead pump)? 127 Is Primary Heat Water Pump HWS-P-CNT-002B de-energized (lead pump)? 128 Chilled Water Distribution Pumps 129 Is Primary Chilled Water Pump CWS-P-CNT-003 de-energized? 130 Is Primary Chilled Water Pump CWS-P-CNT-004 de-energized? 131 Has the setpoint overrides been released? 132 Any additional comments? 133 PRINT/CAPTURE SCREENSHOT OF OPP/OCWP PLC-BASED CONTROL GRAPHIC ASSOCIATED WITH TEST ABOVE

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17 Division 02 Existing Conditions The University of Iowa Oakdale Chilled Water Plant Capacity Upgrades Install Chillers UI Project Division 02

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