Work Item Index Report.docx

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USNS MERCY (T-AH 19) FY26 ROH/DD
Solicitation number
N3220525R4149
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The Work Item Index Report is a detailed maintenance document for the USNS MERCY (TAH 19), outlining comprehensive corrective maintenance and engineering work across multiple sections. The report covers nine primary sections including General Services, Hull and Structural, Propulsion Machinery, Electrical, Communication and Navigation, Auxiliary Machinery, Habitability Outfitting, Sponsor Related, HVAC, Drydocking, and Underway Replenishment Equipment.

Key work categories include structural repairs, system inspections, preservation tasks, equipment servicing, and critical maintenance activities across the vessel's major systems. Specific high-priority items include ballast tank structural repairs, fire detection system renewal, integrated bridge system installation, auxiliary machinery overhauls, life safety equipment certifications, medical equipment servicing, and comprehensive drydocking procedures. The document is associated with a Military Sealift Command pre-solicitation (Solicitation Number: N3220525R4149) for the USNS MERCY Fiscal Year 2026 Repair and Overhaul/Drydocking (ROH/DD) project, indicating a comprehensive maintenance effort for this naval support vessel.

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Print Date:

03/27/2025

MSC Corrective Maintenance

Engineering Report

USNS MERCY

(TAH 19)

AWP - N32205-26-R-

2026-02-01 - ROH

WORK ITEM INDEX REPORT

Item Number
Title
Category
SECTION 0000
GENERAL SERVICES AND REQUIREMENTS
0001
TAH-SWI-SCOPE GENERAL REQUIREMENTS AND
NSP
0002
TAH-SWI-TECHNICAL AND MANUFACTURERS
NSP
0003
TAH-SWI-APPROACH BERTHING AND MOORING
NSP
0004
TAH-SWI-TESTING AND QUALITY ASSURANCE
NSP
0005
TAH-SWI-ELECTRICAL SAFETY PROCEDURE
NSP
0006
TAH-SWI-HEAVY WEATHER PLAN
NSP
0007
TAH-SWI-COLD WEATHER PLAN
NSP
0010
TAH-SWI-FURNISH OFFICE FOR OVERHAUL MANAGEMENT
A
0011
TAH-SWI-GENERAL SERVICES FOR SHIP
A
0012
TAH-SWI-INFORMATION TECHNOLOGY SERVICES
A
0013
TAH-SWI-INTEGRATED PROJECT PLANNING AND
A
0014
TAH-SWI-WEIGHT AND MOMENT REPORT
A
0015
TAH-SWI-ILS-GFM
A
0016
TAH-SWI-FIRE PROTECTION AND SHIPS SAFETY PROGRAM
A
0017
TAH-SWI-HANDLING SHIPS STORES
A
0018
TAH-SWI-DELIVERY AND REDELIVERY OF THE VESSEL
A
0019
TAH-SWI-SHIPBOARD ACCESS AND SECURITY
A
0020
TAH-SWI-GAS FREE CERTIFICATES
A
0021
TAH-SWI-CLEAN AND GAS FREE TANKS VOIDS
A
0022
TAH-SWI-MACHINERY SPACE TURN-OVER DOCK TRIALS
A
0023
TAH-SWI-HAZARDOUS WASTE DISPOSAL AT A
A
0024
TAH-SWI-PHYSICAL SECURITY AT PRIVATE CONTRACTOR
NSP
0025
TAH-SWI-PHYSICAL SECURITY AT PRIVATE CONTRACTOR
B
0030
TAH-SWI-CONTINUATION OF SERVICES
B
SECTION 0100
HULL AND STRUCTURAL
0101
MAIN MAST PRESERVATION
A
0102
SEA SUCTION INBOARD PIPING REPAIR (VR 23-03 and 09)
A
0103
1F BALLAST TANK STRUCTURAL REPAIR (ABS)
A
0104
BALLAST TANK LADDER RENEWAL (VRR 20-055)
A
0109
FWD FIRE PUMP SEACHEST REPAIR
A
Page 1 of
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MSC Corrective Maintenance

Engineering Report

0111
ROLLER CHOCK OVERHAUL (VR 22-120)
A
0112
CBSP RADOME DECK RESURFACING (VRR 22-091)
A
0113
MAIN CIRC PUMP INTAKE PITTING REPAIR
A
0116
DECK PLATE RENEWAL 6-92-1 (VR 22-082)
A
0117
Replace Bulkhead Around Stud in CPO Berthing
A
0118
VENTILATOR REPAIRS (VR 23-112 & 113 & 24-188, 189, 190,
A
0131E
TAH-CCSI-CABLE PENETRATION INSPECTION (20 PCT) (5
A
0141
BRIDGE WING AWNING RENEWAL (VR 24-151)
A
0151
TAH_CCSI_ULTRASONIC THICKNESS GAUGINGS (5 YR)
A
0154
TAH_CCSI_ABS SPECIAL SURVEY - TANK INSPECTION (5
A
0155
TAH_CCSI_TANK VENT INSPECTION (5 YR)
A
0157
TAH-CCSI-POTABLE WATER TANK PRESERVATION (10 YR)
A
0158B
TAH-CCSI-SW BALLAST TANK PRESERVATION NO. 01C (10
A
0158E
TAH-CCSI-SW BALLAST TANK PRESERVATION NO. 02C (10
A
0158G
TAH-CCSI-SW BALLAST TANK PRESERVATION NO. 03C (10
A
0158M
TAH-CCSI-SW BALLAST TANK PRESERVATION NO. 7 PORT
A
0158N
TAH-CCSI-SW BALLAST TANK PRESERVATION NO. 7 STBD
A
0164A
TAH-CCSI-FLIGHT DECK SAFETY NET REPLACEMENT
A
0168A
TAH-CCSI-HIGH PROFILE NON-SKID WEATHERDECK
A
0168B
TAH-CCSI-HIGH PROFILE NON-SKID WEATHERDECK
A
0168C
TAH-CCSI-HIGH PROFILE NON-SKID WEATHERDECK
A
0168D
TAH-CCSI-HIGH PROFILE NON-SKID WEATHERDECK
A
0168E
TAH-CCSI-HIGH PROFILE NON-SKID WEATHERDECK
A
0170A
TAH-CCSI-FEEDWATER AND FRESHWATER TANK
A
0170B
TAH-CCSI-FEEDWATER AND FRESHWATER TANK
A
0170C
TAH-CCSI-FEEDWATER AND FRESHWATER TANK
A
0171A
TAH-CCSI-WASTE WATER SLUDGE TANK PRESERVATION
A
0171B
TAH-CCSI-WASTE WATER SLUDGE TANK PRESERVATION
A
0171C
TAH-CCSI-WASTE WATER SLUDGE TANK PRESERVATION
A
0171D
TAH-CCSI-WASTE WATER SLUDGE TANK PRESERVATION
A
0171E
TAH-CCSI-WASTE WATER SLUDGE TANK PRESERVATION
A
0171F
TAH-CCSI-WASTE WATER SLUDGE TANK PRESERVATION
A
0173A
TAH-CCSI-POINT AND PRESERVE 2K SQFT TOPSIDE (1 YR)
A
0173B
TAH-CCSI-POINT AND PRESERVE 2K SQFT MACHINERY
A
0180
TAH-CCSI-MOORING STRUCTURE PRESERVATION (10 YR)
A
0181
TAH-CCSI-TOPSIDE CRADLES AND FOUNDATIONS
A
0182A
TAH-CCSI-FLIGHT DECK NET FRAMES PRESERVATION (6
A
0183
TAH-CCSI-VOID, COFFERDAM, PIPING TUNNELS
A
0186
TAH-CCSI-PLENUMS PRESERVATION (10 YR)
A
0187
TAH-CCSI-FAN ROOMS PRESERVATION (10 YR)
A
0188
TAH_CSI_UT GAUGE SUSPECT AREAS PRE-OVERHAUL (1
A
Page 2 of
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MSC Corrective Maintenance

Engineering Report

SECTION 0200
PROPULSION MACHINERY
0201
available
A
0202
SOOT BLOWER REPAIRS (VR22-0138)
A
0204
BOILER HAND HOLE PLATE RENEWAL AND
A
0205
BOILER STEAM STOP VALVE REPLACEMENT (TALT NO.
A
0206
HP TURBINE POSITION INDICATOR REPLACEMENT (VR 22-
A
0207
BOILER LAYUP HEATING SYSTEM INSTALLATION (TALT
A
0208
THROTTLE POSITION INDICATOR (TALT 21-007)
A
0209
REINSTALL REDUCING STATION STRAINER BASKET (VR
A
0210
AUXILIARY STEAM PIPING REPLACEMENT (VR 24-044)
A
0211
BOILER SOOT BLOWER SERVICING (VR 24-047)
A
0251
TAH-CCSI-WOODWARD GOVERNORS (20K HRS) (SCSI)
A
0252
TAH_CCSI_REDUCTION GEAR INSPECTION (5 YR)
A
0254
TAH_CCSI_THRUST AND LINESHAFT BEARING INSPECTION
A
0281
TAH_CSI_BOILER INSPECTION AND HYDRO (2.5 YR) (SCSI)
A
0282
TAH_CSI_BOILER MOUNTS OPENINSPECTTEST (2.5 YR)
A
0283
TAH_CSI_BOILER SAFETY VALVES - OPEN, INSPECT AND
A
0284
TAH_CSI_STEAM PIPING - INSPECT AND HYDRO (5 YR)
A
0286
TAH_CSI_HP AND LP STEAM TURBINE - OPEN AND INSPECT
A
0287
TAH_CSI_AUTOMATION AND PROPULSION CONTROLS -
A
0288
TAH_CSI_MAIN CONDENSER INSPECTION (5 YR)
A
0291
TAH_CSI_MAIN FEED PUMP SERVICE (5 YR)
A
SECTION 0300
ELECTRICAL
0301
SLE-FIRE DETECTION AND ALARM SYSTEM RENEWAL
A
0302
MEDICAL EQUIPMENT UNDERVOLTAGE PROTECTION
A
0303
EDG MANUAL VOLTAGE REGULATOR REPAIR (VR 22-97 &
A
0351
TAH_CCSI_SWITCHBOARD CLEANING (2.5 YR)
A
0352
TAH_CCSI_LOAD CENTER CLEANING (2.5 YR)
A
0353
TAH_CCSI_THERMOGRAPHIC SURVEY (1 YR)
A
0354
TAH_CCSI_GENERATOR INSPECTION (5 YR)
A
0359
TAH-CSI-BLOOD BANK UPS MAJOR SERVICE (5 YR)
A
0381
TAH_CSI_CIRCUIT BREAKER INSPECTION AND SERVICING
A
SECTION 0400
COMMUNICATION AND NAVIGATION
0401
SLE-INTEGRATED BRIDGE SYSTEM INSTALLATION (TALT
A
0402
1MC REPAIR (VR 24-256)
A
0403
GMDSS ANTENNA REPLACE (VR 23-106)
A
0404
RUDDER ANGLE INDICATOR SERVICE (VR 24-207)
A
0405
SLE-AUTOMATION MODERNIZATION (TALT NO XXX)
A
Page 3 of
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MSC Corrective Maintenance

Engineering Report

0460
TAH_CCSI_ANNUAL INSPECTION OF MANUALLY
A
0484
TAH-CSI-LIFEBOAT ELECTRONICS SERVICE (1 YR)
A
0488
TAH_CSI_ANTENNA PHOTOGRAPH BOOKLET (10YR)
A
0492
TAH_CSI_CALIBRATE ELECTRONIC TEST EQUIPMENT
A
SECTION 0500
AUXILIARY MACHINERY
0501
FIREMAIN REGULATOR VALVE OVERHAUL (VR22-0016)
A
0502
CONDENSATE FILTER HOUSING RENEWAL (VRR 19-210)
A
0503
BALLAST PUMP OVERHAUL (VR20-0049)
A
0504
ANTIROLL TANK RAW SEWAGE CONNECTION REMOVAL
A
0506
ENGINE MOUNTED LUBE OIL CENTRIFUGE INSTALL (VR
A
0507
SEWAGE 3 WAY VALVE REPLACEMENT (VR18-0162 & TALT
A
0508
EDG START AIR CYLINDER HEAD OVERHAUL (VR 19-067)
A
0509
ANCHOR WINDLASS BULL GEAR COVERS (VRR 23-050)
A
0510
FIREMAIN SEGREGATION VALVE SERVICE (VR 23-051)
A
0511
EDG GAGE PANEL INSTALLATION (VR 21-003)
A
0513
O2N2 COOLING WATER PUMP RENEWAL
A
0515
OVERHAUL BILGE MANIFOLD VALVES (VR 24-210)
A
0516
Replace Evaporator Seawater Valves (VR 24-254) (Revise Item to
A
0518
MAIN MACHINERY ROOM FIRE PUMP INSTALLATION
A
0531
TAH-CSI-OVERHAUL AUXILIARY DIESEL GENERATOR
A
0553
TAH_CCSI_PRESSURE VESSELS AND RELIEF VALVES (5 YR)
A
0554
TAH_CCSI_INSPECT, TEST AND CERTIFY MACHINERY
A
0557A
TAH_CCSI_INSPECT, TEST AND CERTIFY DECK CRANES (5
A
0558
TAH_CCSI_PERSONNEL ELEVATOR ANNUAL INSPECTION
A
0561B
TAH-CCSI-GAUGE CALIBRATION (2.5 YR)
A
0562
TAH_CCSI_SCBA ANNUAL INSPECTION
A
0563B
TAH-CCSI-SCBA COMPRESSOR AND FILLING STATION
A
0565A
TAH_CCSI_FIXED GAS FIREFIGHTING SYSTEM -
A
0567A
TAH_CCSI_FIXED FOAM FIREFIGHTING SYSTEM
A
0568A
TAH_CCSI_WATER MIST--SPRAY-SPRINKLER
A
0569
TAH_CCSI_FIRE AND SMOKE DETECTION AND ALARM
A
0570
TAH_CCSI_PORTABLE FIRE EXTINGUISHER SERVICE (1 YR)
A
0571
TAH_CSI_FIRE AND SMOKE DAMPER SERVICE (1 YR)
A
0572
TAH_CCSI_DEEP FAT FRYER AND RANGE HOOD FIRE
A
0573
TAH_CCSI_FIRE HOSES (1 YR)
A
0574
TAH_CCSI_FIRE DOORS AND SHUTTERS (1 YR)
A
0580
TAH_CSI_REFRIGERATION PLANT SERVICING AND REPAIR
A
0582
TAH_CSI_STEERING SYSTEM SERVICE (5 YR) (SCSI)
A
0583
TAH-CSI-ANCHOR WINDLASS SYSTEM SERVICING (10 YR)
A
0584
TAH_CSI_DISTILLER SERVICING (5 YR)
A
Page 4 of
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MSC Corrective Maintenance

Engineering Report

0586
TAH_CSI_SSTG TURBINE AND REDUCTION GEAR
A
0587
TAH_CSI_OWS AND OCM SERVICING (1 YR) (SCSI)
A
0591
TAH_CSI_EMERGENCY DIESEL ENGINE SERVICING (5YR)
A
0592
TAH_CSI_AUXILIARY DIESEL GENERATOR ENGINE
A
0593
TAH_CSI_SHIPS SERVICE DIESEL GENERATOR ENGINE
A
0595
TAH_CSI_ELEVATOR AND DUMBWAITER SERVICE (0.5 YR)
A
SECTION 0600
HABITABILITY OUTFITTING AND FURNISHINGS
0601
ALLIED CRANE REPAIRS (Placeholder for GFM)
A
0602
NOT ASSIGNED YET
A
0603
TOILET FOUNDATIONS, MTF (VRR 22-164)
A
0604
LADDER SAFETY RAIL INSPECTION (VRR 23-064)
A
0605
AMR HATCH MODIFICATION 01-91-1 (VR22-034, LL22-0005)
A
0606
RESCUE BOAT REPLACEMENT (VR 21-087)
A
0607
HANDRAIL REPAIRS
A
0608
JOINER BULKHEAD REPAIR STATEROOM 03-33-4 (VR21-
A
0609
NOT ASSIGNED YET
A
0610
AFT HOUSE SEWAGE SYSTEM FLUSHING (VR18-0187 & 19-
A
0611
Available
A
0612
LITTER HOIST REMOVAL (TALT 17054)
A
0613
DECK CRANE O4 LEVEL MODS FOR PERSONNEL LIFT
A
0614
LIFERAFT DAVIT GEAR BOX RENEWALS
A
0615
LIFEBOAT DAVIT HOLD DOWN MOD (TALT XXX)
A
0651A
TAH_CSI_ANNUAL LIFEBOAT AND DAVIT INSPECTION
A
0651B
TAH-CSI-ANNUAL LIFEBOAT DAVIT INSPECTION (MERCY)
A
0653
TAH_CCSI_ANNUAL RESCUE BOAT AND DAVIT
A
0656
TAH_CCSI_ANNUAL LIFE RAFT CERTIFICATION
A
0658
TAH_CCSI_ACCOMMODATION LADDER MAINTENANCE
A
0659
TAH_CCSI_PILOT BOARDING EQPT AND EMBARKATION
A
0662
TAH_CCSI_DEEP FAT FRYER INSPECTION (1 YR)
A
0668
TAH-CCSI-INSPECT, TEST AND CERTIFY MATERIAL
A
0681
TAH_CSI_LIFE RAFT DAVIT SERVICING (1 YR)
A
0686
TAH_CSI_USN RHIB INSPECTION (1 YR)
A
0691
TAH_CSI_GALLEY - MSC EQUIPMENT SERVICING (2.5 YR)
A
0693
TAH_CSI_SPIDER LIFT SERVICING (1 YR)
A
0694
TAH_CSI_UTILITY BOAT INSPECTION (1 YR)
A
0697
TAH_CSI_PATIENT WARD GALLEY EQUIPMENT SERVICING
A
SECTION 0700
SPONSOR RELATED
0701
INSTALL OF PERSONNEL RATED CRANES AND REMOVAL
A
0702
MTF (01-64-1) PHARMACY STOREROOM DECK TILE
A
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MSC Corrective Maintenance

Engineering Report

0703
MTF GRATING RENEWAL (VR 22-181 & 182)
A
0704
MTF (4-52-1 & 4-52-2) BERTHING AREAS DECK
A
0706
MTF CPO BRAVO BERTHING 4-81-2 DECK REPAIR (VR24-
A
0707
MTF OXYGEN STORAGE ADDITIONAL FLASKS (TALT 18033)
A
0708
MTF T-AH 19 MERCY CPO BERTHING MODS (TALT 19025)
A
0781
TAH_CSI_O2N2 PRODUCER INSPECTION AND SERVICING (1
A
0782
TAH_CSI_O2N2 LPAC COMPRESSOR INSPECTION AND
A
0785
TAH_CSI_MEDICAL VACUUM PUMPS - SERVICING &
A
SECTION 0800
HVAC
0801
AC CHILLER CONDENSER END BELL REFURB AND
A
0802
OVERHAUL NO. 1 500 TON AC COMPRESSOR (VR 24-215)
A
0803
REPLACE CHILL WATER PIPING LAGGING (VR 24-211)
A
0804
ENGINE ROOM VENT DUCTING REPLACEMENT (VR 24-226)
A
0805
FAN ROOM DUCT REPLACEMENT (VR 24-0048)
A
0806
Calibrate 500 Ton AC #3 Speed Sensor
A
0851
TAH_CCSI_GALLEY VENTILATION SYSTEM AND GAYLORD
A
0852
TAH_CCSI_LAUNDRY VENT CLEANING (2.5 YR)
A
0881
TAH_CSI_AC CHILLER SERVICING (1 YR)
A
SECTION 0900
DRYDOCKING
0901
TAH_CCSI_DRYDOCKING AND UNDOCKING THE VESSEL (5
A
0902
STERN TUBE LUBE OIL PIPING REPAIR
A
0903
BALLAST TANK BLEEDER PLUG RENEWALS
A
0904
OVERBOARD SCUPPER LIP RENEWALS (VR 24-253)
A
0905
AC SW OVERBOARD DISCHARGE PIPING INSPECT AND
A
0951
TAH-CCSI-DRYDOCKING AND UNDOCKING THE VESSEL (5
B
0953
TAH_CCSI_ANCHORS, CHAINS AND LOCKERS (5YR)
A
0954
TAH_CCSI_RUDDER AND STERN FRAME EXAMINATION (5
A
0956
TAH_CCSI_OVERHAULING SEA VALVES (5 YR)
A
0957
TAH_CCSI_PROPELLER INSPECTION AND POLISHING - ON
A
0959
TAH-CCSI-UNDERWATER HULL CLEANING AND PAINTING
A
0962
TAH_CCSI_CATHODIC PROTECTION SYSTEM (5 YR)
A
0963
TAH_CCSI_SEA CHEST MARINE GROWTH PREVENTION
A
0964
TAH_CCSI_SW EXPANSION JOINTS (5 YR)
A
0966
TAH_CCSI_SHAFT ALIGNMENT AND BEARING REACTION
A
0970
TAH-CCSI-FREEBOARD PRESERVATION - FULL BLAST (10
A
0980
TAH_CSI_TAILSHAFT INSPECTION - IN PLACE (5 YR)(SCSI)
A
0983
TAH-CSI-CATHODIC PROTECTION SYSTEM AND MARINE
A
0984
TAH_CSI_HULL ZINC REPLACEMENT (5 YR)
A
0985
TAH_CSI_TAILSHAFT SEAL INSPECTION REPLACEMENT (5
A
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MSC Corrective Maintenance

Engineering Report

0999
EXTENSION ON DRY DOCK
B
SECTION 1000
UNDERWAY REPLENISHMENT EQUIPMENT
1082
TAH-CSI-FAS HOSE PRESSURE TEST (2 YR)
A
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