USCG STA MARATHON (45616) FY26 DRYDOCK REPAIRS

USCG 45616 (RB-M 45) SPECIFICATION FOR DRYDOCK REPAIRS FY2026 Developed By: Roberto Buendia (Rev-1, 11 June 2026) -- 1 of 156 -- USCG 45616 (RB-M-45) DRYDOCK AVAILABILITY FY2026 ii (Rev-0) TABLE OF CONTENTS Revisions Record ......................................................................................................................................... iii Consolidated List of References ...................................................................................................................iv Consolidated List of Government-furnished Property .............................................................................. viii Consolidated List of Critical Inspection Items .......................................................................................... xiii Principal Characteristics .............................................................................................................................xiv General Requirements ................................................................................................................................... 1 WORK ITEM 1: General Welding, Provide ...............................................................................................16 WORK ITEM 2: Ultrasonic Testing (UT) (100) Shots, Perform ................................................................18 WORK ITEM 3: Hull Plating (U/W Body), Inspect ...................................................................................26 WORK ITEM 4: Fendering System, Inspect...............................................................................................30 WORK ITEM 5: Accessible Spaces, Inspect .............................................................................................. 32 WORK ITEM 6: Diesel Fuel Tank, Clean and Inspect ............................................................................... 34 WORK ITEM 7: Non-Watertight Hatch, Renew ........................................................................................37 WORK ITEM 8: Watertight Door and Hatches, Inspect and Adjust ..........................................................39 WORK ITEM 9: Watertight Door and Hatches, Renew .............................................................................42 WORK ITEM 10: Main Diesel Engine(s) and Reduction Gear(s), Remove and Install ............................. 46 WORK ITEM 11: Main Diesel Engine(s) To MEPS Generator(s) And Jet Drive(s), Align ......................49 WORK ITEM 12: Hydraulic Oil Cooler, Water Jet, Renew .......................................................................63 WORK ITEM 13: Water Jet-Inspect, Perform Service ...............................................................................66 WORK ITEM 14: Jet Drive Anodes, Renew ..............................................................................................75 WORK ITEM 15: Engine Exhaust Piping, Inspect .....................................................................................79 WORK ITEM 16: Electrical Isolation, Perform, MEPS .............................................................................82 WORK ITEM 17: Standard Hoses, Renew ................................................................................................. 93 WORK ITEM 18: MDE SW Valves, Overhaul ........................................................................................101 WORK ITEM 19: Sea Valves, Renew ......................................................................................................104 WORK ITEM 20: Water Jet Drive, Preserve ............................................................................................107 WORK ITEM 21: U/W Body, Preserve (100%) ....................................................................................... 111 WORK ITEM 22: Interior Hull Insulation, Renew ................................................................................... 114 WORK ITEM 23: Marine Chemist Services, Provide ..............................................................................117 WORK ITEM 24: Drydock .......................................................................................................................119 WORK ITEM 25: Temporary Services, Provide ......................................................................................124 WORK ITEM 26: Sea Trial Performance, Support, Provide ....................................................................127 WORK ITEM 27: Sea Strainer (Copper Alloy), Renew ...........................................................................131 WORK ITEM 28: Bilges, Preserve ...........................................................................................................134 WORK ITEM 29: Bridge Window(s), Renew ..........................................................................................137 WORK ITEM 30: Main Diesel Engines (MDE) Crankshaft And Oil Pan Seals/Gaskets, Renew ........... 139 -- 2 of 156 -- USCG 45616 (RB-M-45) DRYDOCK AVAILABILITY FY2026 iii (Rev-0) REVISIONS RECORD This page is used to record specification revisions, which may have occurred subsequent to a Revision 0 (Rev-0) package. Information listed is intended to provide contractors and field unit personnel a means to ensure all the current specification revision pages are present when reviewing or utilizing this specification package. DATE REV# WORK ITEM# CHANGES MADE 6/11/2026 1 28 Work item # 28 scope, references, requirements and notes have been updated. 6/11/2026 1 29 Work item # 29 scope, references and requirements have been updated. NOTE : All work item and paragraph numbers listed above for a given revision correspond to same numbers in the previous revision. This revised specification is self-contained with all of the above listed changes incorporated. -- 3 of 156 -- USCG 45616 (RB-M-45) DRYDOCK AVAILABILITY FY2026 iv (Rev-0) CONSOLIDATED LIST OF REFERENCES The below-listed d…