CGC MOHAWK DS_SPECIFICATION.pdf

USCGC MOHAWK (WMEC 913)

SPECIFICATION FOR DOCKSIDE REPAIRS

FY2025

Developed By: Celestin Jules

(Rev-0, 9 September 2024)

USCGC MOHAWK (WMEC-270B) DOCKSIDE AVAILABILITY FY2025

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 ............................................................................................. xi Principal Characteristics ............................................................................................................................. xii General Requirements WORK ITEM 1: Flexible Couplings, Renew WORK ITEM 2: Seawater Heat Exchangers, Clean, Inspect And Hydro WORK ITEM 3: Main Diesel Engine, MDE, Exhaust Piping, Commercial Clean WORK ITEM 4: Ship Service Diesel Generator, SSDG, Exhaust Piping, Commercial Clean WORK ITEM 5: Lube Oil Heat Exchangers; Clean, Inspect And Hydro WORK ITEM 6: Chill Water System, Clean and Flush WORK ITEM 7: Potable Water Pneumatic Tanks, Clean and Inspect WORK ITEM 8: Hot Water Accumulator Tanks, Clean and Inspect WORK ITEM 9: Compressed Air Receivers and System Valves, All, Clean, Inspect, Hydro and Lift WORK ITEM 10: Steering Gear, General, Overhaul WORK ITEM 11: Fin Stabilizers (General), Inspect and Repair WORK ITEM 12: Appleton FB 20-21 Single Point Davit (SPD), Inspect and Service WORK ITEM 13: Sewage Discharge and Transfer Pumps, Renew WORK ITEM 14: Grey Water Holding Tanks, Clean and Inspect WORK ITEM 15: Sewage Holding Tanks, Clean and Inspect WORK ITEM 16: Sewage Piping, Clean and Flush WORK ITEM 17: Tanks, Grey Water Holding, Preserve, Partial WORK ITEM 18: Tanks (Sewage Holding), Preserve, Partial WORK ITEM 19: Temporary Services, Heating and Cooling WORK ITEM 20: Fuel System Piping & Vent, Renew WORK ITEM 21: Grey Water Tank Discharge Piping, Renew WORK ITEM 22: Air Cleaning and Tool Stations, Renew WORK ITEM 23: Auxiliary Machinery Room Deck Plating, Renew WORK ITEM 24: Point of Use Potable Water Filters, Install WORK ITEM 25: Main Diesel Engine Lube Oil Piping, Renew 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

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.

iv (Rev-0)

CONSOLIDATED LIST OF REFERENCES

The below-listed documents form a part of this specification to the extent specified herein. Approval/publication dates or revision dates/numbers are also identified, to ensure that same document versions are used at the time of specification writing and during contract execution.

All Coast guard drawings, technical publications, and standard specifications will be provided to contractors by the Coast Guard at an appropriate time, or upon request, free of charge. Other Government documents may be accessed – free of charge – from links located on the SFLC website. Commercial sites provide access to their respective documents.

COAST GUARD DRAWINGS

Coast Guard Drawing 901 WMEC 561-009, Rev -, Steering Gear Hydraulic Cylinder Assembly

Coast Guard Drawing 901 WMEC 565-005, Rev -, Fin Stabilizer Hydraulic System Diagram

Coast Guard Drawing 905 WMEC 136-001, Rev F, 01 Lev Pl & Fr Fwd 101

Coast Guard Drawing 905 WMEC 141-001, Rev E, 1st Platfm PL & FR Fwd 103

Coast Guard Drawing 905 WMEC 162-001, Rev B, Stacks

Coast Guard Drawing 905 WMEC 201-001, Rev J, Engine Room Arrangement

Coast Guard Drawing 905 WMEC 233-006, Rev B, Piping Schem (Lube Oil Sys)

Coast Guard Drawing 905 WMEC 256-002, Rev K, Eng Rm SW Cooling Sys A&D

Coast Guard Drawing 905 WMEC 256-008, Rev C, SSDG Modification JW Cooling System Mod

Coast Guard Drawing 905 WMEC 256-011, Rev -E, Mn and Aux SW Cooling Sys Diag

Coast Guard Drawing 905 WMEC 259-001, Rev E, Diesel Exhaust System Diagram

Coast Guard Drawing 905 WMEC 259-002, Rev D, Diesel Exhaust System Arr & Det

Coast Guard Drawing 905 WMEC 259-003, Rev B, SSDG Modification – Exhaust System Mod

Coast Guard Drawing 905 WMEC 262-002, Rev E, Lube Oil Service System A&D

Coast Guard Drawing 905 WMEC 262-008, Rev A, Lube Oil System Diagram

Coast Guard Drawing 905 WMEC 310-008, Rev C , Emergency Diesel Generator Arrangement & Details

Coast Guard Drawing 905 WMEC 401-004, Rev J, Arrangement IC Room

Coast Guard Drawing 905 WMEC 501-001, Rev G, Auxiliary Machinery Space No. 1 General Arrangement

Coast Guard Drawing 905 WMEC 501-002, Rev C, Aux Mchry Sp No 2 Arrangement

Coast Guard Drawing 905 WMEC 501-003, Rev F, Steering Gear Room Arrangement

Coast Guard Drawing 905 WMEC 505-007, Rev J, Piping Sys Cleaning & Flushing Procedures

Coast Guard Drawing 905 WMEC 505-008, Rev B, Bulkhead, Deck & Shell Piping Penetrations

Coast Guard Drawing 905 WMEC 506-002, Rev G, Ovfl, Air Escape & Sounding Tube A&D Fwd Fr

Coast Guard Drawing 905 WMEC 514-020, Rev F, CHW & HW Sys Diag

Coast Guard Drawing 905 WMEC 514-021, Rev C, CHW & HW System Machinery Spaces A&D

Coast Guard Drawing 905 WMEC 514-022, Rev C, CHW & HW Piping System Mn Dk & Blw A&D

Coast Guard Drawing 905 WMEC 514-024, Rev B, CHW & HW Pipe Sys 01 Lvl & Abv – A&D v (Rev-0)

Coast Guard Drawing 905 WMEC 514-032, Rev -, HVAC System Diagram

Coast Guard Drawing 905 WMEC 517-002, Rev F, Waste Heat Recovery / Ship Service Diesel Generator Jacket Water – A&D

Coast Guard Drawing 905 WMEC 517-007, Rev B, Main Propulsion Engine Jacket Water System A&D

Coast Guard Drawing 905 WMEC 533-009, Rev E, Potable Water Brominator System Diagram

Coast Guard Drawing 905 WMEC 551-001, Rev T, Compressed Air System Diagram

Coast Guard Drawing 905 WMEC 551-004, Rev C, Air Tool & Cleaning Station

Coast Guard Drawing 905 WMEC 551-007, Rev A, Air Receivers Instl & Arr

Coast Guard Drawing 905 WMEC 565-007, Rev H, Fin Stabilizer Mchry Installation A&D

Coast Guard Drawing 905 WMEC 593-001, Rev C, Vacuum Flush Collection System Electrical Schematic Diagram

Coast Guard Drawing 905 WMEC 593-002, Rev A, Sewage Vacuum System Component Installation Arrangement and Detail

Coast Guard Drawing 905 WMEC 593-003, Rev F, Sewage Transfer System Diagram

Coast Guard Drawing 905 WMEC 593-004, Rev E, Sewage Transfer Sys A&D

Coast Guard Drawing 905 WMEC 593-005, Rev B, Sewage Vacuum System Diagram

Coast Guard Drawing 905 WMEC 593-006, Rev F, Sewage Vacuum System Below Main Deck – A&D

Coast Guard Drawing 905 WMEC 593-007, Rev D, Sewage Vacuum Sys, MN Deck & ABV – A&D

Coast Guard Drawing 905 WMEC 800-002, Rev A, Steering System Hydraulic Machinery & Ppg Installations

Coast Guard Drawing 905 WMEC 801-003, Rev H, General Arrangement 02/Pilothouse and Above

Coast Guard Drawing 905 WMEC 801-004, Rev H, General Arrangement – 01 Level

Coast Guard Drawing 905 WMEC 801-005, Rev G, General Arrangement Main Deck

Coast Guard Drawing 905 WMEC 801-006, Rev D, General Arrangement 1st Platform

Coast Guard Drawing 905 WMEC 801-007, Rev E, General Arrangement Hold

Coast Guard Drawing FL 533-002, Rev A, Point of use Water Filter Install

NAVSEA Drawing 803-1385866, Rev E, Penetration, Bulkhead and Deck

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Colors Manual

Coast Guard Technical Publication (TP) 2815, Oct 2017, Reduction Gear

Coast Guard Technical Publication (TP) 2817, SWBS 245, Section A, Feb 2018, Controllable Pitch Propeller System

Coast Guard Technical Publication (TP) 2820, May 2017, Ship Service Diesel Generator

Coast Guard Technical Publication (TP) 2837, Jul 2016, Manufacturer’s Instruction Book, SWBS Group(s) 565, 270’ WMEC “B” Class Cutters, SWBS 565, Section C, Fin Machinery and Hydraulics Subsystems

Coast Guard Technical Publication (TP) 2839, SWBS 593, Feb 2013, Sewage Holding System

Coast Guard Technical Publication (TP) 3910B, Apr 2020, Air Conditioning System, R-134A S/W Cooled Chilled – Model 90RMC050-D-610

Coast Guard Technical Publication (TP) 4647, Apr 2019, FM/ALCO 251 Engine – Operations and Maintenance Manual vi (Rev-0)

Coast Guard Technical Publication (TP) 4924, Jun 2019, Section 583-A, Technical Manual for Folding Boom Crane – Model FB20-21

Coast Guard Technical Publication (TP) 5490, SWBS 565, Apr 2018, Fin Stabilizer System

Coast Guard Technical Publication (TP) 9169, Aug 2018, SWBS 561, Electro-Hydraulic Steering System & Alarm System Upgrade

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes

Surface Forces Logistics Center Standard Specification 3020 (SFLC Std Spec 3020), 2022, Overhaul AC Electrical Motors

Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2022, Auxiliary Machine Systems

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2022, Temporary Services

Surface Forces Logistics Center Standard Specification 8636 (SFLC Std Spec 8636), 2022, Temporary Hull Accesses

OTHER REFERENCES

American National Standards Institute/American Water Works Association (ANSI/AWWA) C652, 2019, Disinfection of Water-Storage Facilities

American Society for Testing and Materials (ASTM) International F1508, 2016, Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas, and Liquid Services

American Society of Mechanical Engineers (ASME) B16.34, 2017, Valves-Flanged, Threaded, and Welding End

ASTM International (ASTM) D1330, 2015, Standard Specification for Rubber Sheet Gaskets

ASTM International (ASTM) F683, 2014, Standard Practice for Selection and Application of Thermal Insulation for Piping and Machinery

ASTM International (ASTM) F992, 2017, Standard Specification for Valve Label Plates

Code of Federal Regulations (CFR) Title 29, Part 1915, 2022, Occupational Safety and Health Standards for Shipyard Employment

Commercial Item Description (CID) A-A-59588, July 2018, Rubber Silicone

Manufacturer’s Standardization Society of the Valve and Fittings Industry (MSS), SP-58, 2018, Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application, and Installation

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2019 Edition, Pressure Testing Of Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-67, 2017 Edition, Butterfly Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-72, 2010 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service

Manufacturers' Standardization Society of the Valve and Fittings Industry (MSS) SP-80, 2019 Edition, Bronze Gate, Globe, Angle and Check Valves

MIL-G-21164, Jul 2019, Grease, Molybdenum Disulfide, for Low and High Temperatures, NATO Code Number G-353 vii (Rev-0)

MIL-PRF-17672E, Oct 2010, Hydraulic Fluid, Petroleum, Inhibited

MIL-PRF-32033, July 2000, Lubricating Oil, General Purpose, Preservative (Water-Displacing, Low Temperature)

MIL-STD-419 E, Aug 2017, Cleaning, Protecting, and Testing Piping, Tubing, and Fittings for Hydraulic Power Transmission Equipment

NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), July 2012, Requirements for Fabrication, Welding, and Inspection of Submarine Structure

SAE J2360, January 2021, Automotive Gear Lubricants for Commercial and Military Use

The Society for Protective Coatings (SSPC) Surface Preparation Specification No. 1 (SSPC-SP-1), 2015, Solvent Cleaning

The Society for Protective Coatings (SSPC) Surface Preparation Specification No. 3, (SSPC-SP-3), 2018, Power Tool Cleaning viii (Rev-0)

CONSOLIDATED LIST OF GOVERNMENT-FURNISHED PROPERTY

The following is a list of property, which the Government will furnish. This list supersedes any other material obligations indicated or implied by referenced drawings.

WORK

ITEM

MTI ITEM DESCRIPTION NSN/PN QTY ESTIMATED

COST

($/UNIT)

1 N Expansion Joint w/Rings PN: 2X1BN05X6.5 7 ea. 1495.00

1 N 4" X 6" FXF Rubber Expansion Joint w/

Rings

PN: 2X1BN04X6 1 ea. 1367.00

2 N MDE JW Seal Kit NSN: 2930-01-602-8570 P/N:

KAM Thermal Equipment

LTD, 10-1AEW SEAL

2 ea 1,250.00

2 N Red Gear LO cooler parts kit

NSN: 2815-01-682-3386 2 ea. 1,500.00

2 N CPP cooler gasket NSN: 5330-01-115-7912 2 ea. 150.00 2 N CPP cooler gasket NSN: 5330-01-023-7639 2 ea. 150.00 2 N CPP cooler lantern ring NSN: 4320-01-627-3872 2 ea. 450.00 2 N CPP cooler packing ring NSN: 5330-00-486-2397 4 ea. 150.00

2 N SSDG JW gasket NSN: 5330-01-542-5893 2 ea. 150.00 2 N SSDG JW gasket NSN: 5330-01-546-1720 2 ea. 150.00 2 N SSDG cooler zinc NSN: 2930-00-167-0450 2 ea. 200.00 2 N SSDG cooler pipe plug NSN: 4730-00-163-5756 2 ea. 300.00 2 N EDG JW seal NSN: 5330-00-238-7689 1 ea. 200.00 2 N EDG cooler gasket NSN: 5330-00-237-7874 1 ea. 200.00 2 N EDG cooler gasket NSN: 5330-01-209-2855 1 ea. 300.00 2 N EDG cooler gasket NSN: 5330-01-208-6768 2 ea. 250.00 2 N Fin cooler gasket NSN: 5330-01-622-9908 PN:

00-622-9908 24 ea. 78.00

2 N **JW Cooler NSN: 4420-01-397-2075 2 ea 95,000.00 2 Y **Red Gear Lube Oil

Cooler NSN: 4420-01-700-3051 2 ea 49,850.00

2 N **Red Gear Lube Oil Cooler Tube Bundle

NSN: 4420-99-799-3111 2 ea 14,970.00

5 N MDE LO Seal Kit NSN: 2930-01-602-8561 P/N:

KAM Thermal Equipment

LTD, 12-1AEW SEAL

2 ea 1,250.00

5 N SSDG LO Gasket NSN: 5330-00-128-9755 P/N:

00-128-755

2 ea. 100.00

5 N SSDG LO Gasket NSN: 5330-00-128-9754 P/N:

00-128-9754

2 ea. 100.00

5 N SSDG LO Gasket NSN: 5330-00-122-3951 P/N:

00-122-3951

4 ea. 100.00

5 N SSDG LO Seal NSN: 5330-01-297-1215 P/N: 4 ea. 100.00 ix (Rev-0)

01-297-1215 5 N SSDG LO Packing NSN: 5330-00-367-5954 P/N:

00-367-5954 2 ea. 100.00

5 N EDG LO Gasket NSN: 5330-00-936-2162 2 ea. 100.00 5 N EDG LO Packing NSN: 5331-00-663-5075 1 ea. 100.00 5 N EDG LO Gasket NSN: 5330-01-326-7454 2 ea. 100.00 5 N **Lube Oil Cooler NSN: 2930-01-362-4819 2 ea 74,500.00

10 N Hydraulic Cylinder Rod Packing Shim and

Ring Kit

NSN: 3040-01-118-5840 2 ea. 340.00

10 Y **Hydraulic Cylinder NSN: 3040-01-123-6695 2 ea. 9,738.00 10 N **Dual Rotary Pump, 11/9 Ring NSN: 4320-01-674-9389 2 ea. 1,200.00

10 N **Coupling half, shaft NSN: 3010-01-461-2488 PN:

RC4-1875-500

2 ea. 20.00

10 N **Coupling half, shaft NSN: 3010-01-461-2486 PN:

RC4-0875-187

2 ea. 20.00

10 N **Insert, flexible coupling

NSN: 3010-01-675-3035 PN:

RG4-H5 50 D

2 ea 33.00

10 N **Valve, check NSN: 4820-01-569-6605 PN:

CVH161P

2 ea. 50.00

10 N **Valve, safety relief NSN: 4820-01-571-9823 PN:

RAH121S30

2 ea. 41.70

10 N **Float switch, liquid level

NSN: 6680-01-673-5099 2 ea. 425.00

11 Y Cylinder Assembly NSN: 3040-01-103-6565 4 ea. 3,418.00 11 N **Pin Straight NSN: 5315-01-419-1523 4 ea. 829.00 11 N Accumulator Repair

Kit NSN: 2040-01-601-2331 2 ea. 228.00

11 N Accumulator Charging Kit

NSN: 2090-01-593-6083 2 ea. 745.00

11 Y ***Inserter & Remover Tool

NSN: 5120-01-593-6182 1 ea. 38.00

11 N Valve, Spool NSN: 4820-01-593-3911 2 ea. 102.00 11 N Return Filter Element NSN: 4330-00-229-4157 2 ea. 13.00 11 N Return Filter Seal Kit NSN: 4330-01-259-5848 2 ea. 11.00 11 N Pressure Filter Element NSN: 4330-01-593-3905 4 ea. 211.00 12 Y Hook, Release NSN: 4030-01-467-1005 1 ea. 4,000.00 12 N Rope, Wire NSN: 4010-01-580-6079 1 ea. 1,176.00 12 N Filter Element, Fluid NSN: 2940-01-359-8346 1 ea. 39.00 12 Y **Hydraulic, Motor, Swing Drive NSN: 2590-01-581-2575 1 ea. 2,591.00

12 Y **Cylinder, Hydraulic, Jib

NSN: 3040-01-581-1046 1 ea. 14,145.00

12 Y **Cylinder, Hydraulic, Luff

NSN: 3040-01-581-1539 1 ea. 14,688.00

12 N **Bearing, Sleeve NSN: 3120-01-441-2443 1 ea. 18.00 12 Y **Brake and Clutch

Assy, Winch NSN: 3950-01-641-5484 1 ea. 78,610.00 x (Rev-0)

12 N **Breather NSN: 4310-01-495-5609 1 ea. 108.00 12 Y **Valve, Linear, Directional Control NSN: 4820-01-581-1079 1 ea. 1,846.00

12 Y **Valve, Hold, Boom Hoist Cylinder

NSN: 4820-01-681-4326 1 ea. 1,790.00

12 N **Pin, Grooved, Headless

NSN: 5315-01-538-7928 1 ea. 320.00

12 N **Pin, Cotter NSN: 5315-01-644-3374 1 bg. 16.00 12 N **Pin, Straight, Headless NSN: 5315-01-680-6525 1 ea. 935.00

12 N **Pin, Straight, Headless

NSN: 5315-01-680-6529 1 ea. 1,578.00

12 N **Switch, Rotary NSN: 5930-01-610-7723 1 ea. 1,562.00 12 N **Switch, Proximity NSN: 5930-01-612-2501 1 ea. 253.00 12 Y **Davit control console

PN: AMD-1885 NSN: 4940-

01-619-6004 1 ea. 30,000.00

13 N Sewage Discharge Pump

NSN: 4320-01-131-0841 2 $4,719.00

13 N Sewage Transfer Pump NSN: 4320-01-112-0008 2 $4,719.00 24 N ***Water Filter

Assembly

PN: DWS160-L (3M) NSN:

4330-01-F20-5959 11 ea. 173.00

24 N ***Water Filter Element

PN: 56134-44 (3M) NSN:

4330-01-F20-5960

11 ea. 139.00

*Government-loaned property, which shall be returned to the vessel upon completion of the availability.

**New or refurbished equipment that the Government may provide for installation in place of existing equipment.

***Government-furnished property, which is to be supplied by either the vessel or the C4IT ServiceCenter xi (Rev-0)

CONSOLIDATED LIST OF CRITICAL INSPECTION ITEMS

The following is a list of work items, which contain Critical Inspection reports, which the Contractor must complete within the first 25% of the availability contract period (see SFLC Std Spec 0000, paragraph 3.2.6.5 (Inspection report particulars)):

Work Item

Title

10 Steering Gear, General, Overhaul

12 Appleton FB 20-21 Single Point Davit (SPD), Inspect and Service

14 Grey Water Holding Tanks, Clean and Inspect

15 Sewage Holding Tanks, Clean and Inspect xii (Rev-0)

PRINCIPAL CHARACTERISTICS

270' WMEC (B-CLASS)

PHYSICAL

Length overall 270' 0" Length between perpendiculars 255' 0" Beam molded 38' 0" Depth molded, main deck amidships, 01 level amidships

23' 7" 31' 4"

Full load displacement 1,886 long tons Draft, full load to baseline amidships 14' 2" Highest projection above baseline *height approximated

≈ 110' 0"

Shore tie voltage requirements 2 cables, 400A / 450V, 3 phase Frame spacing 1' 0"

MACHINERY

Main propulsion 2 ALCO Model 18-251-F Diesel Engines, 3,650 BHP each Ship’s service generators 2 Caterpillar Model D-398-TA Diesel-driven KATO 6P6-1350 Generators. 475

KW each @ 0.8 power factor, 450VAC, 3 phase, 60 cycle

Emergency generators Caterpillar Model D-348-TA Diesel-driven KATO 4P4-1900. 475KW @ 0.8 power factor, 450VAC, 3 phase, 60 cycle

Number of propellers 2 Propeller diameter 9' 0" Number of blades, each 4 Pitch Controllable Shaft RPM 260 Shaft diameter 10.55" at exit of hull Anchor & chain Two 4,000 lb Navy Stockless Anchors, 8 shots of chain each

TANK CAPACITIES

Diesel fuel total (95%) 79,950 gal.

JP-5 total (95%) 19,626 gal.

Potable water total (100%) 8,553 gal.

Hydraulic & lube oil total (95%) 2,561 gal.

1 (Rev-0)

00000_0623_FLT

REC_00000_FLT_Commercial Project @ CG Facility (0121)

General Requirements

1. SCOPE

1.1 Intent. This standard specification invokes general requirements for conducting vessel repairs performed by commercial contractors at a Coast Guard facility for Coast Guard vessels.

1.2 Term interchangeability. The terms 'Contractor', 'CG Yard', 'NAVSTA EVERETT', 'shipyard', 'Base', and 'Coast Guard Industrial' are used interchangeably in this specification. Where the primary service provider is Coast Guard personnel, references to contractor and other noted descriptors within this specification or within drawings, publications, SFLC Standard Specifications or other commercial and military references are deemed the same as prime service provider.

2. REFERENCES

COAST GUARD DRAWINGS

None

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Coatings and Color Manual

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

Code of Federal Regulations (CFR) Title 29, Part 1915, 2022, Occupational Safety and Health Standards for Shipyard Employment

NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), July 2012, Requirements for Fabrication, Welding, and Inspection of Submarine Structure

3. REQUIREMENTS

3.1 General. The Contractor must conform to all requirements specified in SFLC Std Spec 0000 and in this item, as applicable, during the performance of this availability. The requirements in this WI applies to all work under

2 (Rev-0) the scope of this contract, whether explicitly stated in all following work items or not, and to all other work subsequently authorized by changes, modifications, or extensions to the contract.

NOTE

NAVSEA drawings listed will be available FOR INSPECTION ONLY from the Coast Guard Port Engineer post-award. SFLC will not redistribute NAVSEA documents.

Contractors can apply to NAVSEA headquarters directly for copies.

3.2 Fire watch requirements. The Contractor must refer to 3.3.1.3 (Fire watch requirements) of SFLC Std Spec 0000, in accomplishing the following task:

Provide portable fire extinguishers for Coast Guard fire watch personnel. Coast Guard fire watch is in lieu of contractor personnel during the hours of 0800-1600, Monday through Friday, and limited to two Coast Guard fire watch personnel.

Provide fire watch personnel and fire extinguishers for the duration of the availability period, during and beyond noted Coast Guard fire watch support.

3.3 Preservation requirements. The Contractor must accomplish all preservation tasks, including touch-ups, in accordance with SFLC Std Spec 6310.

3.3.1 Brand name approval. Ensure that all contractor-furnished coatings are in accordance with SFLC Std Spec 6310, Appendix C (Authorized Coatings for Use on Cutters and Boats).

3.3.2 Coating colors and system color schemes. The Contractor must obtain a written KO authorization to deviate from any coatings required in SFLC Std Spec 6310 Appendix C before work.

3.3.3 In-process quality control measures. The Contractor must abide by all the safety, preservation, and quality control requirements specified in SFLC Std Spec 0000, paragraph 3.2.4.2 (In-process QC measures for “critical-coated surfaces”).

3.3.3.1 Quality control requirements. The Contractor must abide by the following when performing preservation related inspections. The following measurements must be randomly spaced throughout for the purposes of providing a representation of the entire prepared or coated surface.

3.3.3.1.1 Surface profile measurements. One surface profile measurement must be taken for every 200 square feet for the first 1000 square feet; for each additional 500 square feet or less, one profile measurement must be taken.

Profile measurements must be taken in accordance with SFLC Std Spec 6310, paragraph 3.1.8.3 (Surface profile measurements). A “measurement” for surface profile is defined as follows:

ASTM D4417, Method B: One profile measurement is the average (mean) of 10 individual readings.

ASTM D4417, Method C: One profile measurement is the average (mean) of 2 individual readings.

3.3.3.1.2 Soluble salt conductivity measurements. 5 conductivity measurements must be taken every 1000 square feet. For submerged (immersed) applications conductivity measurements must not exceed 30 microsiemens/cm.

For non-submerged (non-immersed) applications conductivity measurements must not exceed 70 microsiemens/cm. If a conductivity check fails, clean the surface in accordance with SFLC Std Spec 6310, paragraph 3.1.8.5 (Soluble salt removal).

3.3.3.1.3 Coating thickness measurements. Three area measurements must be taken for the first 1000 square feet;

for each additional 1000 square feet, perform an additional area measurement. A “measurement” for coating thickness is defined as follows:

3 (Rev-0)

SSPC-PA 2 defines an area measurement as 5 separate spot measurements randomly spaced throughout a 100 square foot area.

SSPC-PA 2 defines a spot measurement as 3 gage readings and each new gage reading the probe must be moved to a new location within a 1.5-inch diameter circle defining the spot.

3.4 Welding and brazing requirements. The Contractor must perform all welding and allied processes, and NDE in accordance with SFLC Std Spec 0740.

3.4.1 HY-130 material substitution. The Contractor must be aware that HY-130 steel plating is no longer commercially available. For the purpose of performing flight deck repairs on US Coast Guard WMEC-270 “B- Class” cutters, Weldox 900 steel plating has been approved as a replacement for HY-130. Due to the similarity in material properties and weldability of HY-130 and Weldox 900, all welding procedures and welder qualifications for welding Weldox 900 must be the same as those outlined in NAVSEA TP 1688 as applicable for welding HY- 130.

3.4.2 Standard spec modification. For any welding involving HY-130 on the flight deck of WMEC-270 “B-Class” cutters, perform all welding and allied processes, and non-destructive evaluation (NDE) in accordance with NAVSEA TP 1688. The Contractor must be aware that the welding requirements specified in this document take precedence over paragraph 3.3.6 of SFLC Standard Spec 0000 for the purpose of welding involving HY-130.

3.4.3 Approval to weld HY-130. To obtain Coast Guard approval to weld on HY-130 steel for WMEC-270 “B- Class” cutters, the Contractor must provide written Performance Qualification Records (PQR’s) for each process to be used. The PQR’s must be approved by one of the regulatory agencies affirming that the WPS meets the welding requirements of NAVSEA TP 1688. In addition, the Contractor must ensure that all subcontractors, prior to performing welding operations, have qualified procedures by meeting all the requirements set forth in this document.

NOTE

NAVSEA approval is NOT required for welding procedures submitted but the procedures must be reviewed and shown to satisfy the requirements set forth in NAVSEA TP 1688, by a welding regulatory agency. The requirements for welding Weldox 900 are considered the same as those for welding HY-130.

3.5 Environmental protection requirements. The Contractor must adhere to the following environmental protection requirements in accordance with the SFLC Stand Spec 0000:

3.5.1 USCG facilities. The Contractor must provide and maintain environmental protection as defined in SFLC Std Spec 0000 Appendix B, Requirements for Environmental Protection at USCG Facilities, during the performance of this availability. Contractor must plan for and provide environmental protective measures to control pollution that develops during normal practice, as well as plan for and provide environmental protective measures required to correct conditions that develop during the project. Contractor must comply with applicable Federal, state, and local laws, codes, ordinances, and regulations in their entirety. Any reference to a specific portion of a Federal, state, or local law, code, ordinance, or regulation in this or any other item must not be construed to mean that relief is provided from any other sections of the law, code, ordinance, or regulation.

3.5.1.1 USCG Generator status. The activity Generator Status for the Coast Guard Facility is Large Quantity Generator (LQG).

3.5.1.2 Plans and permits. The CG Facility has unit specific permits including the following:

Spill Prevention Control and Countermeasures (SPCC) Plan: Unit has a SPCC Plan which requires

4 (Rev-0) certain unit-specific procedures be followed for the storage, inspection, and transfer of petroleum products in containers 55 gallons or greater.

National Pollutant Discharge Elimination System (NPDES) Storm Water (SW) Permit: Unit has an NPDES SW permit which requires unit-specific procedures be followed for the storage and inspection of equipment and materials which may contribute contaminants to storm water discharges.

Air Emission Permit: Unit has an Air Emission Permit which requires unit-specific procedures be followed for the emissions of VOCs and hazardous air pollutants.

3.5.2 Test and procedures. The Contractor is required to promptly conduct tests and procedures for the purpose of assessing whether operations are in compliance with applicable Environmental Laws. Analytical work must be done by qualified laboratories; and where required by law, the laboratories must be certified.

3.5.3 Regulatory notifications. The Contractor is responsible for all regulatory notification requirements in accordance with Federal, State, and local regulations. In cases where the Coast Guard must also provide public notification, such as storm water permitting, the Contractor must coordinate with the Contracting Officer or COR, and if work is being performed at a USCG Facility, the local Facility Engineer, or Engineering Officer. The Contractor must submit copies of all regulatory notifications to the Contracting Officer and the local Facility Engineer or Engineering Officer prior to commencement of work activities. Regulatory notifications must be provided for including but not limited to demolition, renovation, National Pollutant Discharge Elimination System (NPDES) defined site work, and remediation of controlled substances such as asbestos, hazardous waste, and lead paint.

3.5.4 Environmental manager. The Contractor must appoint in writing an Environmental Manager for the project, who is responsible for coordinating Contractor compliance with Federal, State, local, and station environmental requirements. The Environmental Manager must ensure compliance with Hazardous Waste Program requirements, including hazardous waste handling, storage, manifesting, and disposal; implement the Contractors’ Environmental Management Plan; ensure that all environmental permits are obtained, maintained, and closed out;

ensure compliance with Storm Water Program Management requirements; ensure compliance with Hazardous Materials including storage, handling, and reporting requirements; as well as coordinate any remediation of regulated substances such as lead, asbestos, and polychlorinated biphenyl (PCB). This may be a collateral position; however the individual must be trained to accomplish the following duties; ensure waste segregation and storage compatibility requirements are met; inspect and manage Satellite Accumulation areas; ensure only authorized personnel add wastes to containers; ensure all Contractor personnel are trained in 40 CFR requirements and individual position requirements; coordinate removal of waste containers; and maintain the Environmental Records binder and required documentation, including environmental permits compliance and close-out.

3.5.5 HW disposal. Contractor must comply with SFLC Std Spec 0000 Appendix B, Requirements for Environmental Protection At USCG Facilities for HW disposal and ensure that waste removals are conducted during normal business hours (0800-1600) on Monday through Friday (excluding holidays).

3.5.6 Additional Requirements. The Contractor must be aware of the following:

3.5.6.1 No Contractor or Subcontractor must have the authority to sign a Hazardous Waste Manifest using the Coast Guard facility’s EPA Generator ID Number or remove contract generated hazardous waste from the Coast Guard facility without COR or KO-approval.

3.5.6.2 Local environmental regulations at the Government facilities may be more stringent. As with all environmental regulations, the Contractor must prepare for and comply with local and state regulations.

3.5.6.3 Coast Guard facilities do not maintain Facilities Response Plans (FRPs) per 33 CFR 154. Contractor must

5 (Rev-0) furnish the FRP when required for over-the-water liquids transfers to and from vessels and is required for oil/fuel transfers to/from vessels for 250 barrels (10,500 gallons) or more.

3.6 Local Policy. The Contractor must refer to site (e.g., Base) Regulations and Instructions for details regarding local policies (e.g., crane services, parking, or facility usage).

3.6.1 Contractors will need to have a valid state identification and if they are foreign nationals, will be required to have their Permanent Resident card or Employment Authorization card, along with their Social Security card prior to coming on to base. All IDs are required to be valid and in good condition and not broken. The port engineer will fill out the contractor base passes for each contractor and send them to Naskw_base_access@us.navy.mil. The Port Engineer will also provide a paper copy of the completed contractor base pass document to each contractor prior to the day they are assigned to begin working, which each contractor is required to have with them prior to entry on to base. Contractors will provide names of all personnel coming on to base and dates/times to the Port Engineer. The address where contractors should initially report to gain base access is: A641, Saratoga Ave, Key West, FL 33040. Please note that anyone with a felony conviction within the past 10 years and anyone with suspended or invalid identification will not be granted base access.

3.7 SFLC Standard Specification approved changes. Approved updates to the 2022 SFLC Standard Specifications will appear here.

3.7.1 None.

4. NOTES

4.1 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in SFLC Std Spec 6310 to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this document.

6 (Rev-0)

QA-1 - QUALITY ASSURANCE INSPECTION FORM

(PRESERVATION CHECKLIST)

VESSEL NAME HULL # WORK ITEM

WORK ITEM TITLE

LOCATION OF WORK (INCL. FRAME #’S) AREA (SQFT)

CHECKPOINT 1 – COATING SYSTEM COMPLIANCE

Ensure all coatings are in compliance with SFLC Std Spec 6310, Appendix C.

CHECKPOINT 2 - PAINT STORAGE

Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating mfg.

CHECKPOINT 3 - AMBIENT CONDITIONS

Ensure surface and surrounding temperatures are each between 50 and 90°F for water-containing coatings, and 35 and 95°F for other coatings, unless otherwise specified by the coating manufacturer(s).

Ensure maximum relative humidity (RH) is as follows, from surface preparations through final curing of topcoat: 50% for tanks, voids, and vent plenum; and 85% for all other areas, unless otherwise specified by manufacturer(s).

Ensure surface temperature is at least 5°F above the dew point, unless otherwise specified by the coating mfg.

CHECKPOINT 4 - PRE-SURFACE PREPARATION

Remove surface contaminants (soluble salts, loose rust, mud, and marine growth) with low pressure fresh water wash down (maximum 5,000 psi). If oil and grease are present, perform solvent cleaning, as per SSPC SP-1.

Verify equipment setup, blast media, and surface preparation methods match designated test coupon.

CHECKPOINT 5 - SURFACE PREPARATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure cleanliness of prepared surface is as per specification (i.e.: SSPC SP-11, SP-10, SP WJ-2…).

Verify surface anchor profile using ASTM D4417-Methods B or C against SFLC Std Spec 6310. Conduct profile readings at a minimum of 5 locations for the first 1000-sqft area, and 2 locations for each succeeding 1000-sqft area.

Measure soluble salt conductivity in accordance with SSPC-Guide 15. Conduct 5 measurements per each 1000-sqft area (max. threshold: 70 microsiemens/cm for non-submerged surfaces, 30 microsiemens/cm for submerged surfaces).

CHECKPOINT 6 - PRIMER COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Verify proper mixing and stand-in (induction) times.

Ensure no paint is applied when the temperature is expected to drop to freezing before the paint has dried.

Ensure surfaces are completely dry, unless otherwise allowed by the coating manufacturer(s).

Verify wet film thickness (WFT) at random, to prevent under or over application. Verify final DFT.

Brush out all runs, sags, drips, and puddles.

Perform visual inspection for holidays and other defects.

CHECKPOINT 7 – STRIPE COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

After primer coat (mist coat after inorganic zinc), brush-apply un-thinned coat of same primer paint over edges, weld seams, cut-outs, and areas of complex geometries @ 3-4 mils wet film thickness (WFT).

CHECKPOINT 8 – TOP COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

Verify proper mixing and stand-in (induction) times, as applicable.

Verify wet film thickness at random, to prevent under or over application.

Brush out all runs, sags, drips, and puddles.

CHECKPOINT 9 – FINAL INSPECTION

Verify final system dry film thickness. Conduct 5 sets of 3 readings for each of the first 3 100-sqft areas, followed by 5 sets of 3 readings for each succeeding 1000-sqft area.

Ensure that system cure is in accordance with manufacturer's recommendation for intended service.

Ensure potable water tank exhaust ventilation is maintained continuously from and during coating application through final system cure, to exhaust all solvent to the atmosphere and to prevent solvent entrapment.

For immersion coatings (including tank U/W body), record date and time of the following events:

Final coat application: _____/_____; Return to service or removal from environment controls: _____/_____

CHECKPOINT 10 – RECORD KEEPING

Complete, sign, and submit all provided QA Inspection Forms.

NAME OF QP-1/NACE INSPECTOR SIGNATURE CERT. # DATE / TIME

NAME OF CG REPRESENTATIVE SIGNATURE UNIT DATE/TIME

7 (Rev-0)

QA-2 - QUALITY ASSURANCE INSPECTION FORM

(ENVIRONMENTAL READINGS)

VESSEL NAME HULL #

WORK ITEM

Use one sheet for each activity. Record conditions every four hours from before surface preparation to application of final coating system coat.

DATE

TIME

ACTIVITY (SURFACE

PREPARATION, PRIMER COAT,

BARRIER COAT, TOP COAT,

ETC…)

LOCATION (FRAME &

DECK, RELATION TO

EQUIPMENT, ETC.)

TEMPERATURE % REL.

HUMID-

ITY

DEW

PT.

SURFACE AMBIENT ΔT

| DP -

SURFACE |

8 (Rev-0)

QA-3a - QUALITY ASSURANCE INSPECTION FORM

(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-C)

VESSEL NAME HULL # WORK ITEM

LOCATION OF WORK (FRAME REFERENCES) AREA (SQFT)

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area) Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

PLACE SURFACE PROFILE REPLICA TAPES IN THE SPACES PROVIDED BELOW, TO SERVE AS

PERMANENT QA RECORD. MAINTAIN A SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS

DIVIDED INTO SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

MEAN MIL READING (IAW ASTM D4417-METHOD C) FOR ABOVE 15 READINGS:

NAME OF QP-1/NACE INSPECTOR SIGNATURE CERT. # DATE /

TIME

9 (Rev-0)

QA-3b - QUALITY ASSURANCE INSPECTION FORM

(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-B)

VESSEL NAME HULL # WORK ITEM

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area) Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

RECORD MEASUREMENTS TAKEN IN THE SPACES PROVIDED BELOW, TO SERVE AS PERMANENT QA

RECORD. MAINTAIN SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS DIVIDED INTO

SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Mean Mils Reading (IAW ASTM D4417-Method B for above 10 readings (by column):

Mean Reading (mils)

10 (Rev-0)

QA-4 - QUALITY ASSURANCE INSPECTION FORM

(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)

VESSEL NAME HULL # WORK ITEM

SOLUBLE SALT CONDUCTIVITY MEASUREMENTS IAW SSPC-GUIDE 15.

DATE TEST LOCATIONS CONDUCTIVITY (MICROSIEMENS/CM)

11 (Rev-0)

QA-5 - QUALITY ASSURANCE DATA FORM

(COATING THICKNESS)

(Use one sheet for each sequence)

VESSEL NAME HULL #

WORK ITEM

COATING MFG PRODUCT NAME

BATC

H #

INDUCTI

ON TIME

COATING SYSTEM

SEQUENCE

(PRIMER/TOUCHUP/3RD

COAT, ETC.)

DRY FILM THICKNESS (DFT) MEASUREMENTS IAW SSPC-PA 2.

SPOT 1 2 3 4 5

AVERAGE

VALUE

*BASE METAL READING

(BMR)

*Required, If Magnetic Pull-Off (Type I/Banana) Gauge Is Used.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

APPLICATION METHOD (AIRLESS,

CONVENTIONAL SPRAY, ROLLED)

AVERAGE DFT

12 (Rev-0)

4.2 Tank and Void Assessment form.

13 (Rev-0)

14 (Rev-0)

23300_CMD_0121_210_270

REC_23300_210_270_270B WMEC (ALL) (0920)

WORK ITEM 1: Flexible Couplings, Renew

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew designated flexible couplings and associated hoses for the Main Diesel Engines, Ship Service Diesel Generators, and Emergency Diesel Generators.

1.2 Government-furnished property.

MTI ITEM DESCRIPTION NSN/PN

QTY ESTIMATED

COST

($/UNIT)

N Expansion Joint w/Rings PN: 2X1BN05X6.5 7 ea. 1495.00 N 4" X 6" FXF Rubber Expansion

Joint w/ Rings

PN: 2X1BN04X6

1 ea. 1367.00

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 905 WMEC 201-001, Rev J, Engine Room Arrangement

Coast Guard Drawing 905 WMEC 262-002, Rev E, Lube Oil Service System A&D

Coast Guard Drawing 905 WMEC 262-008, Rev -, Lube Oil System Diagram

Coast Guard Drawing 905 WMEC 256-002, Rev J, Eng Rm SW Cooling Sys A&D

Coast Guard Drawing 905 WMEC 256-011, Rev -, Mn and Aux SW Cooling Sys Diag

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

Manufacturer’s Standardization Society of the Valve and Fittings Industry (MSS), SP-58, 2018, Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application, and Installation

15 (Rev-0)

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not applicable.

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, (Vessel component, space, and equipment protection).

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, (Interferences). Known interferences include, but are not limited to the following:

Deck plates.

Work bench.

Piping

Engine room machinery

3.2 Removal. The Contractor must disconnect and remove the flexible connections between the main engine, ship service diesel generator or emergency diesel generator and the connected fluid systems for fuel, oil, lube oil, jacket water and seawater in accordance with the Coast Guard drawings and publications listed in Section 2 (References).

3.3 Alignment between coupling flanges. The Contractor must inspect each expansion joint piping flanges for axial, lateral, angular, and torsional alignment prior to installing new flexible connections and control rod assemblies, as follows. Submit a CFR.

NOTES

1. Piping misalignment in the system should not exceed a maximum of plus or minus 1/8 inch.

2. Axial alignment measurement should correspond to the expansion joint’s face to face dimension otherwise an axial misalignment is indicated.

3. Lateral misalignment is indicated by any variation in the measured dimensions and an inconsistency in the level.

4. Angular misalignment is indicated by any variation in the measured dimensions.

5. Torsional misalignment is indicated by any bolt holes on each flange not lining up to each other.

3.3.1 Axial alignment. Measure from inside of one mating flange to the inside of the other, to include the area in which the expansion joint is to be installed.

16 (Rev-0)

3.3.2 Lateral alignment. Place a level on the outside edge of the mating flanges and measure the distance across. Repeat the measurement an additional three times to obtain a total of four measurements evenly distributed around the circumference of the mating flanges.

3.3.3 Angular alignment. Measure from the edge of one mating flange to the same corresponding spot on the opposite flange. Record this value and then repeat the same measurement on the opposite side of the flange (180 degrees from the initial measurement). Repeat these measurements to obtain a total of at least four paired measurements evenly distributed around the circumference of the flanges.

3.3.4 Torsional alignment. Check the flange bolt pattern on each mating flange to ensure the bolt holes on each flange line up to each other.

3.4 Pipe hanger inspection. The Contractor must inspect the condition of each of the associated pipe hangers and other support devices in the vicinity of the flexible expansion joint being renewed, to ensure they are adequately supporting the weight of the piping systems and in accordance with MSS SP-58.

Significant movement of the piping system when the expansion joint is removed indicates the pipe hanger arrangement is insufficient. Submit a CFR.

3.5 Installation. The Contractor must install government-furnished flexible expansion joints, control rod assemblies, and Integral Tie Rod (ITR) plates after all alignment measurements have been verified to be within tolerance or corrected via a change request authorized by the KO, in accordance with Coast Guard Drawings and Tech Pubs listed in Section 2 (References). The Contractor must renew all flange shielding, grade eight fasteners, flat washers, lock washers and nuts.

3.5.1 ITR plate position. The Contractor must secure the ITR plates in place with the flange bolting.

Position the ITR plates as shown below. Install the flange bolt head and flat washer against the ITR plates.

FIGURE 1. ITR PLATE POSITION

WARNING

The control rod assembly shall not be used to correct for flange misalignment.

17 (Rev-0)

3.5.2 Control rod assembly adjustment. The Contractor must ensure the following.

Control rods are evenly spaced around the joint.

Inner control rod nuts are adjusted to allow zero joint compression.

Outer control rod nuts are adjusted to allow approximately 1/8-inch joint expansion.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.6 Operational test, post repairs. After completion of work, the Contractor must thoroughly test, in the presence of the Coast Guard Inspector and demonstrate all items or shipboard devices that have been disturbed, used, repaired, altered, or installed to be in satisfactory operating condition. Submit a CFR.

3.7 Leak test. After completing all authorized mechanical (i.e. threaded, bolted, etc.) joint repairs, the Contractor must test the system’s operation using the system fluid at normal operating pressure. Ensure zero visible leakage from or deformation of mechanical parts by repairing all leaks and discrepancies.

Submit a CFR.

4. NOTES

This section is not applicable to this work item.

18 (Rev-0)

25600_0223_210_270_295 REC_25600_210_270_295_270’ WMEC ‘B’ Class (ALL) (0922)

WORK ITEM 2: Seawater Heat Exchangers, Clean, Inspect And Hydro

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean and inspect the following heat exchanger(s):

TABLE 1 – HEAT EXCHANGERS

SYSTEM LOCATION OEM / MODEL QT

Y

Fin Stabilizer Hydraulic Oil Aux Machry Sp II Alfa-Laval, p/n M3-FG 2 SSDG Jacket Water Engine Room Caterpillar, p/n 4W4642 2 MDE Jacket Water Engine Room KAM Thermal, p/n BEW 12-112 2 EDG Jacket Water Aft Steering Caterpillar, p/n 3N-8888 1

Reduction Gear Lube Oil Engine Room IRL Thermal, p/n 44248-5071 2 CPP Hydraulic Oil Engine Room ITT Standard, p/n 5-126-04-036-002 2

MTI ITEM DESCRIPTION NSN/PN QTY ESTIMATED COST

($/UNIT)

N MDE JW Seal Kit NSN: 2930-01-602-8570 P/N: KAM Thermal

Equipment LTD, 10-1AEW

SEAL

2 ea 1,250.00

N Red Gear LO cooler parts kit NSN: 2815-01-682-3386 2 ea. 1,500.00 N CPP cooler gasket NSN: 5330-01-115-7912 2 ea. 150.00 N CPP cooler gasket NSN: 5330-01-023-7639 2 ea. 150.00 N CPP cooler lantern ring NSN: 4320-01-627-3872 2 ea. 450.00 N CPP cooler packing ring NSN: 5330-00-486-2397 4 ea. 150.00 N SSDG JW gasket NSN: 5330-01-542-5893 2 ea. 150.00 N SSDG JW gasket NSN: 5330-01-546-1720 2 ea. 150.00 N SSDG cooler zinc NSN: 2930-00-167-0450 2 ea. 200.00 N SSDG cooler pipe plug NSN: 4730-00-163-5756 2 ea. 300.00 N EDG JW seal NSN: 5330-00-238-7689 1 ea. 200.00 N EDG cooler gasket NSN: 5330-00-237-7874 1 ea. 200.00 N EDG cooler gasket NSN: 5330-01-209-2855 1 ea. 300.00 N EDG cooler gasket NSN: 5330-01-208-6768 2 ea. 250.00 N Fin cooler gasket NSN: 5330-01-622-9908

PN: 00-622-9908

24 ea. 78.00

19 (Rev-0)

N **JW Cooler NSN:…