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4A - Service Calls 2004-2022
| PWS ATTACHMENT 4A OF COOLING WATER MAINTEANANCE AND REPAIR CONTRACT -- NSWCPD COOLING WATER HISTORICAL SERVICE CALLS, THROUGH 2022 | | | | | | | |
| "For informational purposes only" | | | | | | | 12/Sep/2023 |
| TICKET # | BLDG # | DESCRIPTION | R/E | DATE | COMPLETION DATE | BEYOND SCOPE (Y/N) | Service Call Notes |
| FY 2004 | | | | | | | |
| | Repair pump 1A | E | 30/Apr/2004 | Unknown | N | |
| | Troubleshoot/repair soft start 2A | R | 27/Sep/2004 | Unknown | N | |
| | Troubleshoot/repair VFD 1A | E | 30/Sep/2004 | Unknown | N | |
| FY 2005 | | | | | |
| Troubleshoot valves and controls | E | 17/Nov/2004 | Unknown | N |
| Install DDC fans | R | 14/Dec/2004 | Unknown | N |
| repair wiring soft start 2A | R | 13/Jan/2005 | Unknown | N |
| Troubleshoot/repair soft start 2A | R | 17/Feb/2005 | Unknown | N |
| Repair cooling tower valve | E | 19/May/2005 | Unknown | N |
| repair slide gate | E | 27/Sep/2005 | Unknown | N |
| Troubleshoot/repair soft start 2A | R | 27/Sep/2005 | Unknown | N |
| FY 2006 | | | | | |
| Troubleshoot/repair controls | R | 21/Nov/2005 | Unknown | N |
| Troubleshoot/repair pump 1A | E | 12/Jan/2006 | Unknown | N |
| Troubleshoot pump | E | 31/May/2006 | Unknown | N |
| FY 2007 | | | | | |
| Troubleshoot/repair VFD 1A ground | E | 23/Oct/2006 | Unknown | N |
| Troubleshoot pump 1A failure | E | 26/Jul/2007 | Unknown | N |
| Troubleshoot tower valve failure | E | 31/Jul/2007 | Unknown | N |
| Troubleshoot 2B starter failure | E | 31/Jul/2007 | Unknown | N |
| Troubleshoot pump 1C failure | E | 28/Sep/2007 | Unknown | N |
| FY 2008 | | | | | |
| Repair CT sensor conduit | R | 12/Dec/2007 | Unknown | N |
| Troubleshoot pump 1B failure | E | 12/Dec/2007 | Unknown | N |
FY 2009
FY 2010
FY 2011
FY 2012
FY 2013
FY 2014
| FY 2015 | | | | | | |
| 87 | During system operation, the supply pumps will turn off for no apparent reason and then turn back on again. Shutdown causes loss of pressure and affects test data collection. Cooling tower valves V-3 and V-4 work intermittently, could be the cause of the pump problems. Work needs to be scheduled and coordinated with test site operations. | R | 23/Feb/2015 | Unknown | N |
| 77H | The 36" bypass valve BPV-2 will not operate. Investigate and identify the reason why the valve will not operate | R | 7/Feb/2015 | Unknown | N |
| 87 | Cooling tower pumps 2 and 2A will not run, suspect the heat trace failed and the pump casing is frozen. Check heat trace system and determine cause for pump failure. | R | 23/Sep/2015 | Unknown | N |
| 87 | A significant leak from the discharge piping associated with Pump 2, underneath the cooling tower, has appeared. Remove the insulation from the pipe and identify the cause of the leak and make repairs. If the required repairs are beyond the scope of this service call, stop work and inform the Government representative. Note: the piping is heat traced, reinstall pipe insulation after cause of leak has been determined and additional material / equipment is required after the end of the heating season. | R | 23/Mar/2015 | Unknown | N |
| FY 2016 | | | | | | |
| 87 | We need service call to address the CB valves for both of the Bldg 87 cooling tower return pumps, which are not closing. We don't know for sure what the cause of the issue is, but we suspect that the linkages to the MCC cabinet may have become misaligned | R | 24/Aug/2016 | Unknown | N |
| FY 2017 | | | | | | |
| 77H | We have a failed pressure transducer in the Bldg. 77H Cooling Water System. Please have Municipal Maintenance purchase and replace the failed pressure transducer on a Service Call. | R | 9/May/2017 | Unknown | N |
| 87 | No information. | E | 13/Jul/2017 | Unknown | N |
| 77H | The Bldg 77H Cooling Water System Tank #1 Outlet Temperature Detector Failed. Detector is an Automated Logic ALC/TIK (30 to 234F) 4mA ti 20mA 2 wire 8 to 35vDC | R | 17/Jul/2017 | Unknown | N |
| FY 2018 | | | | | | |
| 87 | E002-001. Cooling tower at Bldg 87 requires cleaning. | R | 23/Jul/2018 | Unknown | N |
| 77H | Tank #4 and Tank #5 at the building 77H tank farm each have leaking fire suppression valves. These valves are no longer in use - recommend removal/disposal of the valves and installation of blank flanges. NSWCPD test site personnel can coordinate. Re: fuel level in tanks to prevent additional leaks during the repair. | R | 23/Jul/2018 | Unknown | N |
| 77H | E002-003. Existing head tank supply valve (Keystone butterfly valve) in Bldg 77H needs to be replaced with like, including valve operator. Coating color to match existing surroundings. | R | 25/Jul/2018 | Unknown | N |
| FY 2019 | | | | | | |
| 77H | Pump Set One (Pump C) is leaking oil from the motor and Pump 1A is receiving a high voltage alarm. This leaves only one pump at Pump set 1 fully operational. | R | 16/Oct/2018 | Unknown | N |
| 77H | Replace two 30-inch air operated valves CW01 and CW02 | R | 6/Feb/2019 | Unknown | N |
| 87 | E002-001. Cooling tower at Bldg 87 requires cleaning. | R | 8/Apr/2019 | Unknown | N |
| 77H | Tank #4 and Tank #5 at the building 77H tank farm each have leaking fire suppression valves. These valves are no longer in use - recommend removal/disposal of the valves and installation of blank flanges. NSWCPD test site personnel can coordinate. Re: fuel level in tanks to prevent additional leaks during the repair. | R | 8/Apr/2019 | 6-Sep-18 | N |
| 77H | E002-003. Existing head tank supply valve (Keystone butterfly valve) in Bldg 77H needs to be replaced with like, including valve operator. Coating color to match existing surroundings. | R | 8/Apr/2019 | Unknown | N |
| 77H | Pump Set One (Pump C) is leaking oil from the motor and Pump 1A is receiving a high voltage alarm. This leaves only one pump at Pump set 1 fully operational. | R | 8/Apr/2019 | 31-Oct-18 | N |
| 77H | Customer requests the replacement for 30-inch air-operated valves CW01 and CW02, which are shown as IPS an DDG51 on the equipment list | R | 9/Apr/2019 | 3-Apr-19 | N |
| FY 2020 | | | | | | |
| 87 | A main control valve on the Bldg 87 cooling tower failed, and you will contact Municipal Maintenance to address as soon as possible. Clarify with them that this is a separate and higher-priority issue than the other recent service requests related to that system. Given the mission-critical nature of this issue, please provide status updates ASAP! Thanks! | E | 23/Oct/2019 | Unknown | N |
| FY 2021 | | | | | | |
| 87 | Please address leaks in the cooling Tower in Building 87. This call was already addressed. Just officially sending the service call request to you. Thanks! | E | 8/Mar/2021 | Unknown | N |
| 633 | Bilge pump BP-2 (a Vertiflo 800 per the equipment inventory) in Bldg 633 needs troubleshooting; apparently it keeps tripping the breaker and isn’t operational. Shop personnel suspected an obstruction got pulled into it. | R | 8/Mar/2021 | Unknown | N |
| 77H | There appears to be a software problem that caused a heater over-temp alarm on all three pumps at Pump set 1. Personnel on-site couldn’t like it to any power issues, and it definitely isn’t a legitimate alarm because pump 1C is tagged out. | R | 8/Mar/2021 | Unknown | N |
| FY 2022 | | | | | | |
| 77H | Head Tank Freeze Protection Circulation Pump has a mechanical seal that is leaking. | R | 17/Feb/2022 | Unknown | N |
| 87 | Cooling tower and suction piping to pump CTP2A. Leaks along the bottom seam and at basin heaters. Investigate and repair. | | 17/Mar/2022 | Unknown | N |
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4B - Non-Wear-and-Tear Repairs
| PWS ATTACHMENT 4B OF COOLING WATER EQUIPMENT AND SYSTEM MAINTENANCE AND REPAIR CONTRACT -- NSWCPD COOLING WATER HISTORICAL NON-WEAR-AND-TEAR REPAIRS | | | | | | |
| "For informational purposes only" | | | | | | 12/Sep/2023 |
| BLDG # | DESCRIPTION | DATE | COMPLETION DATE | BEYOND SCOPE (Y/N) | |
87 Remove/replace motor starter for cooling water pump. Starter is a size 5, reduced voltage starter, GE CR331, autotransformer type. 9-Apr-2009 9/30/09 Y
| 77H | Overhaul pump 2C 250 hp motor | 19-Oct-2010 | 11/30/10 | Y |
| 77H | Due to safety issues a crane was required to remove the pump for overhaul | 26-Nov-2010 | 1/26/11 | Y |
| 77H | Replace the motor starter for lube pump 2B | 12-Apr-2011 | 5/30/11 | Y |
| 77H/87 | preorder service calls | 23-May-2011 | Unknown | N |
| 77H | Overhaul pump 2A | 1-Jul-2011 | 9/29/11 | Y |
| 77H | After removal and inspection of Cooling Water Pump 2A, several components of the pump were found to be damaged and cannot be repaired. As a result, replace the pump bowl assembly, including the impellor, wear rings, bearings, discharge bowl, suction bell and associated hardware. Request Contractor submit proposal for additional work under ELINs C700 and C701. | 1-Dec-2011 | 5/17/12 | Y |
| 77H/87 | preorder service calls | 22-Feb-2012 | Unknown | N |
| 77H | repair starter pump 2A electrical issue | 8-Nov-2012 | 11/23/12 | N |
| 77H/87 | preorder service calls | 23-Jan-2013 | Unknown | N |
77H/87 preorder service calls 24-Jun-2014 Unknown N
| 87 | Replace basin heater in cell #3 | 9-Oct-2014 | Unknown | Y |
| 87 | Replace cooling water system valve V2 including actuator | 9-Oct-2014 | Unknown | Y |
| 77L | Repair cooling tower pump | 28-Oct-2014 | Unknown | Y |
| 87 | Remove, overhaul, re-install and test cooling water pump 1A | 3-Mar-2015 | Unknown | Y |
| 87 | Replace 5 basin heaters and 3 temperature sensors | 8-Jun-2015 | Unknown | Y |
| 87 | Replace flex hose and heat trace flex hose and replace insulation | 9-Jul-2015 | Unknown | Y |
| 87 | From TF-1 2015-0076 Replace 5 basin heaters and 3 temperature sensors | 30-Jul-2015 | 8/29/15 | Y |
| 87 | From TF-1-2015-0085 Replace flex hose and heat trace flex hose and replace insulation | 21-Jan-2016 | 3/4/16 | Y |
| 633 | Relocate Bilge pump #8 controller | 30-Dec-2015 | Unknown | Y |
| 87 | Drain tower clean out debris and clean level probes | 15-Mar-2016 | Unknown | Y |
| 77H/87 | Add service calls | 8-Apr-2016 | Unknown | Y |
| 87 | Replace circuit breaker for CTP-1A | 4-Oct-2016 | Unknown | Y |
| 77H/87 | From TF-1 2017-0005. Replace circuit breaker for CTP-1A and repair fuel oil leak on 3-inch pipe | 24-Jan-2017 | 10-Mar-2017 | Y |
| 633 | Replace bilge pumps and controllers | 29-Nov-2016 | Unknown | Y |
77H add/remove equipment 9-Nov-2017 Unknown Y
| 77H | Replace head tank supply valve | 10-Oct-2018 | Unknown | Y |
| 77H | From TF-1 2019-0042. Repair head tank supply valve | 20-May-2019 | 4-Jun-2019 | Y |
| 633 | add equipment to the contract | 23-Apr-2019 | Unknown | Y |
| 633 | architect services to modify design of B633 cooling tower | 30-Jul-2019 | Unknown | Y |
| 77H | Repairs to existing cooling water system | 18-Jun-2019 | Unknown | Y |
| 77H | Replace cooling tower control screens | 4-Dec-2019 | Unknown | Y |
| 77H | Replace hard drive for PCS-CPO1 Thermosystem. Replace solenoids for both CW01 and CW02 | 18-Mar-2020 | 2-Apr-2020 | Y |
| 87 | Replace cooling tower Actuator for V-1 | 18-Sep-2020 | Unknown | Y |
| 77H | Cooling System - Pumpset 1 Screen | 1-Sep-2020 | Unknown | Y |
| 77H | Repairs to pump 1C | 31-Aug-2020 | Unknown | Y |
| 87 | From TF-1 NSWC-0071-20. Replace actuator for cooling tower valve V1 | 9-Nov-2020 | 9-Dec-2020 | Y |
| 87 | Replace cooling tower fan motor | 5-Mar-2021 | Unknown | Y |
| 87 | From TF-1 NSWC-0080-21. Replace cooling tower fan motor | 14-Jun-2021 | 15-Aug-2021 | Y |
| 77H | From TF-1 NSWC-0038-21. Replace the touch screen pumpset 1 | 27-Jul-2021 | 1-Mar-2022 | Y |
| 77H | From TF-1 NSWC-0039-21. Repairs to pump 1C | 24-Aug-21 | 11-Oct-2021 | Y |
| 87 | Cooling Water System Repair Design | 3-Jun-21 | Unknown | Y |
| 87 | Repair water leak at CTP1 | 10-Nov-21 | Unknown | Y |
| 633 | Replace bilge pump #1 | 29-Nov-21 | Unknown | Y |
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