DRYDOCK: USCGC SAWFISH DD FY27

USCGC SAWFISH (WPB 87357) SPECIFICATION FOR DRYDOCK REPAIRS FY2027 Developed By: Aries T Knoll (Rev-0, 25 June 2026) -- 1 of 192 -- USCGC SAWFISH (WPB-87) DRYDOCK AVAILABILITY FY2027 ii (Rev-0) TABLE OF CONTENTS Revisions Record .......................................................................................................................................... iv Consolidated List of References .................................................................................................................... v Consolidated List of Government-furnished Property ................................................................................. ix Consolidated List of Critical Inspection Items ............................................................................................. xi Principal Characteristics ............................................................................................................................. xii General Requirements ................................................................................................................................... 1 WORK ITEM 1: Structural Analysis, 3D Laser Scan, Perform .................................................................. 14 WORK ITEM 2: Hull Plating (Side Scan), Ultrasonic Testing................................................................... 17 WORK ITEM 3: Ultrasonic Thickness Measurements, Perform ................................................................ 21 WORK ITEM 4: U/W Body, Preserve, 100 percent ................................................................................... 24 WORK ITEM 5: Hull Plating Freeboard, Preserve, 100 Percent ................................................................ 29 WORK ITEM 6: Tank, Dirty Oil, Clean and Inspect .................................................................................. 33 WORK ITEM 7: Tank, Oily Water, Clean and Inspect .............................................................................. 36 WORK ITEM 8: Tanks, MP Fuel Service, Clean and Inspect .................................................................... 39 WORK ITEM 9: Decks, Exterior (Main Deck), Preserve ........................................................................... 43 WORK ITEM 10: Capastic Fairing, Depth Sounder, Renew ...................................................................... 47 WORK ITEM 11: Watertight Closures, Assess .......................................................................................... 51 WORK ITEM 12: Main Engine/Reduction Gear, Realign.......................................................................... 55 WORK ITEM 13: Intermediate Water-Lubricated Propulsion Shaft Bearings, Renew.............................. 59 WORK ITEM 14: Aft Water-Lubricated Propulsion Shaft Bearings, Renew ............................................ 61 WORK ITEM 15: Intermediate Bearing Carriers, Renew .......................................................................... 63 WORK ITEM 16: Aft Bearing Carriers, Renew ......................................................................................... 65 WORK ITEM 17: Propulsion Shafts, Renew .............................................................................................. 67 WORK ITEM 18: Stern Tube Interior Surfaces, Preserve, 100 Percent ..................................................... 83 WORK ITEM 19: Propellers, Renew .......................................................................................................... 86 WORK ITEM 20: Electrical Power Distribution System, Thermographic Inspection ............................... 90 WORK ITEM 21: Fathometer Transducer, Renew ..................................................................................... 96 WORK ITEM 22: Speed Log, Skin Valve, Renew ................................................................................... 100 WORK ITEM 23: Ventilation System, Engine Room Supply and Exhaust Fan Assemblies, Clean and Inspect .................................................................................................................................... 103 WORK ITEM 24: Ducting, HVAC System, Clean ................................................................................... 106 WORK ITEM 25: Sea Water System, Perform Maintenance ................................................................... 108 WORK ITEM 26: Rudder Assemblies, Renew ......................................................................................... 112 WORK ITEM 27: Stern Launch Door, Remove, Inspect and Reinstall .................................................... 117 WORK ITEM 28: Grey Water Holding Tanks, Clean and Inspect ........................................................... 121 WORK ITEM 29: Sewage Holding Tanks, Clean and Inspect ................................................................. 125 WORK ITEM 30: Grey Water Piping, Clean and Flush ........................................................................... 129 WORK ITEM 31: Sewage Piping, Clean and Flush ................................................................................. 133 WORK ITEM 32: Cathodic Protection/Zinc Anodes, Renew................................................................... 137 WORK ITEM 33: Drydock ....................................................................................................................... 140 WORK ITEM 34: Temporary Services, Provide - Cutter ......................................................................... 146 WORK ITEM 35: Sea Trial Performance, Support, Provide .................................................................... 149 WORK ITEM 36: Seawater Cooling Piping/Valves, Renew .................................................................... 153 WORK ITEM 37: Exhaust Concentric Rings, Inspect/Repair .................................................................. 156 WORK ITEM 38: Mooring Bits, Renew........…