MARIA BRAY (WLM 175) DD FQ2 BGW 21R0.pdf

USCGC MARIA BRAY (WLM 562)

SPECIFICATION FOR DRYDOCK REPAIRS

FY2021

(Rev-0, 3 Aug 2021)

USCGC MARIA BRAY (WLM-175) DRYDOCK AVAILABILITY FY2021

ii (Rev-0)

TABLE OF CONTENTS

Revisions Record .......................................................................................................................................... iv Consolidated List of References .................................................................................................................... v Consolidated List of Government-furnished Property .................................................................................. x Consolidated List of Critical Inspection Items ........................................................................................... xii Principal Characteristics - TENDER ......................................................................................................... xiii General Requirements WORK ITEM 1: Hull Plating, Side Scan, Ultrasonic Testing WORK ITEM 2: Hull Plating, U/W Body, Inspect WORK ITEM 3: Hull Plating Freeboard, Preserve, 100 Percent WORK ITEM 4: Appendages, U/W, Leak Test WORK ITEM 5: Appendages, U/W, Internal, Preserve WORK ITEM 6: Chain Lockers, Clean and Inspect WORK ITEM 7: Tanks, MP Fuel Stowage and Overflow, Clean and Inspect WORK ITEM 8: Tanks, MP Fuel Service, Clean and Inspect WORK ITEM 9: Tanks, Potable Water, Clean and Inspect WORK ITEM 10: Tanks, Ballast, Clean and Inspect WORK ITEM 11: Tanks, Dirty Oil and Waste, Clean and Inspect WORK ITEM 12: Z-Drive Propulsion Unit, Renew (Drydock) WORK ITEM 13: Fathometer Transducer, Renew WORK ITEM 14: Underwater Speed Log, Transducers, Renew WORK ITEM 15: Sea Valves and Waster Pieces, Overhaul Or Renew WORK ITEM 16: Sea Bay, Clean and Inspect WORK ITEM 17: Sea Bay, Preserve 100% WORK ITEM 18: Anchor Windlass, Inspect And Service WORK ITEM 19: Anchor Chains and Ground Tackle, Inspect and Repair WORK ITEM 20: Hull Fittings (Mooring and Towing), Inspect and Test WORK ITEM 21: Grey Water Holding Tanks, Clean and Inspect WORK ITEM 22: Sewage Holding Tanks, Clean and Inspect WORK ITEM 23: Tanks, Ballast, Preserve, 100 Percent WORK ITEM 24: Chain Locker, Preserve, 100 Percent WORK ITEM 25: Tanks, Grey Water Holding, Preserve 100 Percent WORK ITEM 26: Tanks, Potable Water Preserve, 100 Percent WORK ITEM 27: Tanks (Sewage Vacuum Collection), Preserve “100%” WORK ITEM 28: Decks - Exterior, Preserve (“Non-Skid Broadcast Grit” System) WORK ITEM 29: Decks – Exterior (Buoy or Construction Deck), Preserve 100% WORK ITEM 30: Hull Plating Freeboard (Buoy Port Areas), Preserve WORK ITEM 31: Cathodic Protection, Zinc Anodes, Renew, WORK ITEM 32: Drydock WORK ITEM 33: Temporary Services, Provide - Cutter WORK ITEM 34: Sea Trial Performance, Support, Provide WORK ITEM 35: Oily Water Separator, Replace WORK ITEM 36: Single Point Davit Winch, Replace WORK ITEM 37: Heat Exchangers; Clean, Inspect And Hydro WORK ITEM 38: Handrails and Stanchions, Inspect, Repair or Renew WORK ITEM 39: Deck Drains, Inspect, Service & Repair WORK ITEM 40: Watertight Door (External), Renew WORK ITEM 41: Stuffing Tubes, Renew WORK ITEM 42: U/W Body, Preserve (100%) iii (Rev-0)

WORK ITEM 43: Sea Strainers, All Sizes, Renew WORK ITEM 44: Anchors, Preserve WORK ITEM 45: Hawse Pipes, Preserve WORK ITEM 46: 02 Level Deck, Repair WORK ITEM 47: Exhaust Stack Plating, Renew WORK ITEM 48: 01 Level Deck, Repair WORK ITEM 49: Hull Fittings (Weight Handling Rigging Hardware), Inspect and Test WORK ITEM 50: Thruster Unit (General), Overhaul iv (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.

v (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 175 WLM 114-001, Rev D, Shell Appendages

Coast Guard Drawing 175 WLM 130-001, Rev -Mods to Buoy Deck Incidental to Hawser Pipe Cover

Coast Guard Drawing 175-WLM 162-001, Rev E, Stack A & D 1 & 2 Panels

Coast Guard Drawing 175-WLM-167-001, Rev L, Structural Closures

Coast Guard Drawing 175 WLM 184-001, Rev A, V850 Transducer Adaptor Ring

Coast Guard Drawing 175 WLM 185-001, Rev -, Foundation Incidental to Boss 2.2 GPM OWS

Installation

Coast Guard Drawing 175 WLM 202-002, Rev G, MPCMS Wiring Data (COED)

Coast Guard Drawing 175 WLM 245-001, Rev A, Propeller

Coast Guard Drawing 175 WLM 245-002, Rev A, Z-drive Propeller Details, Modified Design

Coast Guard Drawing 175-WLM 256-001, Rev K, Seawater Cooling System Diagram

Coast Guard Drawing 175-WLM 256-003, Rev D, Seawater Cooling System, Fr 61 Fwd Blocks 910, 920, Coast Guard Drawing 175 WLM 256-004, Rev J, Sheets 5 and 13, Seawater Cooling System A & D, Hull

Blocks 940-970

Coast Guard Drawing 175-WLM 256-012, Rev B, ASW System Piping Modifications

Coast Guard Drawing 175 WLM 256-013, Rev A, Sea Bay Thermometer Installation

Coast Guard Drawing 175 WLM 262-001, Rev J, Lube Oil System Diagram

Coast Guard Drawing 175 WLM 262-002, Rev H, Waste Oil System Diagram

Coast Guard Drawing 175 WLM 262-005, Rev G, Lube Oil System A/D – Hull Blocks 910, 930, 940, &

Coast Guard Drawing 175 WLM 320-001, Rev AP, Electrical One-Line Diagram

Coast Guard Drawing 175 WLM 320-004, Rev G, Power System Deck Plan ER and Pump Rm Hull

Block 920

Coast Guard Drawing 175 WLM 320-012, Rev -, Power System Mods Incidental to OWS

Removal/Installation One-Line Diagram

Coast Guard Drawing 175-WLM-422-1, Rev G, Navigation, signal & Searchlight Block, Isometric and

Arrangement

Coast Guard Drawing 175-WLM-422-2, Rev F, Navigation, signal & Searchlight Elementary Wiring

Diagram vi (Rev-0)

Coast Guard Drawing 175-WLM-505-002 Rev F Mechanical Remote Valve Operators Arrangement and

Details

Coast Guard Drawing 175 WLM 505-003, Rev B, Sea Connection Arrangements

Coast Guard Drawing 175 WLM 506-001, Rev G, Overflows, Air Escapes & Sounding Tubes Diagram

Coast Guard Drawing 175-WLM -528-001, Rev F, Plumbing and Interior Deck Drains Diagram

Coast Guard Drawing 175-WLM -528-002, Rev M, Weather Deck Drains Diagram

Coast Guard Drawing 175-WLM-528-009, Rev H, Weather Deck Drains A/D Hull Block

910,920,930,940,960,970

Coast Guard Drawing 175-WLM-529-002 Rev G Main Drainage System Diagram

Coast Guard Drawing 175 WLM 533-006, Rev D, Independent Tank Potable Water Hb 950

Coast Guard Drawing 175 WLM 541-001, Rev H, Fuel Oil System Diagram

Coast Guard Drawing 175 WLM 541-006, Rev C, Independent Tanks, Emergency Generator Day Tank

IIP:7-1

Coast Guard Drawing 175-WLM 549-1, Rev G, Onboard Lubrication Requirements

Coast Guard Drawing 175-WLM 551-5, Rev E, Compressed Air System a/D Hull Block 940, 950

Coast Guard Drawing 175 WLM 561-001, Rev J, Z-drive Hydraulic System Diagram

Coast Guard Drawing 175-WLM 568-001, Rev B, Bow Thruster Arrangement & Detail

Coast Guard Drawing 175-WLM 568-002, Rev N, Bow Thruster Detail

Coast Guard Drawing 175 WLM 573-001, Rev U, Buoy Deck Arrangement

Coast Guard Drawing 175 WLM 581-001, Rev F, Anchor Handling System Arrangement

Coast Guard Drawing 175 WLM 582-001, Rev D, Mooring and Towing, A & D

Coast Guard Drawing 175 WLM 593-001, Rev G, Sewage & Waste Water System Diagram

Coast Guard Drawing 175 WLM 593-002, Rev H, Oily Bilge System Diagram

Coast Guard Drawing 175 WLM 593-009, Rev E, Independent Tanks, Sewage Holding Tank

Coast Guard Drawing 175 WLM 593-013, Rev C, Oily Water Separator A&D

Coast Guard Drawing 175 WLM 593-014, Rev A, OWS System Operating Instructions BOSS 2.2T-107-

YM

Coast Guard Drawing 175 WLM 601-001, Rev T, General Arrangement Inboard and Outboard Profiles

Coast Guard Drawing 175 WLM 601-003, Rev N, Booklet of General Drawings 552-564

Coast Guard Drawing 175-WLM-612-001, Rev G, Lifelines/Rails & Stanchions

Coast Guard Drawing 175 WLM 633-001, Rev D, Cathodic Protection

Coast Guard Drawing 175 WLM 635-001, Rev F, Hull Thermal and Acoustic Insulation Schedule

Coast Guard Drawing 175 WLM 801-001, Rev A, Hull Lines

Coast Guard Drawing 175 WLM 801-003, Rev A, Curves of Form

Coast Guard Drawing 175 WLM 801-006, Rev J, Docking Plan

Coast Guard Drawing 175-WLM 801-015, Rev C, Scantlings, Decks & Platforms

Coast Guard Drawing 175 WLM 801-019, Rev C, Shell Expansion

Coast Guard Drawing 175 WLM 920-001, Rev K, Hull Block 920 Panels

Coast Guard Drawing 175-WLM 960-001, Rev M, Hull Block 960 Panels

Coast Guard Drawing 175-WLM 960-003, Rev B, Hull Block 960 Assembly

Coast Guard Drawing 175-WLM 970-001, Rev K, Hull Block 970 Panels

Coast Guard Drawing 175-WLM 970-004, Rev G, Hull Block 970 - Transverse Frames vii (Rev-0)

Coast Guard Fleet Drawing FL 2804-12, Rev -, U.S.C.G. Emblem

Coast Guard Fleet Drawing FL 2804-22, Rev A, Consolidated Visual ID for Cutters

COAST GUARD PUBLICATIONS

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

Coast Guard Technical Publication (TP) 3446, Jun 2009, Doppler Speed Log, Model SRD-500 Dual Axis

Coast Guard Technical Publication (TP) 3498, Section A, Jul 2015, Buoy Chain Winch

Coast Guard Technical Publication (TP) 3605A, Nov 2007, MPCMS Operating Manual (Volume 1)

Coast Guard Technical Publication (TP) 3605B, SWBS 86; Section B; Machinery Plant Control &

Monitor System (MPCMS) Z-Drive Direction Indicator System Technical Manual

Coast Guard Technical Publication (TP) 3628, SWBS 568, Section A, March 2017, Bow Thruster –

(Bird-Johnson Company)

Coast Guard Technical Publication (TP) 3631, Section 581-A, Sep 2013, Manufacturer's Instruction

Book-SWBS Groups 573-581, Anchor Windlass

Coast Guard Technical Publication (TP) 3653, Jul 2013; SWBS 245, Section A; Z-drive - Model 1350-H

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General

Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2020, Welding and

Allied Processes

Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 3041, 2020, Shipboard

Electrical Cable Test

Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 3042, 2020, Shipboard

Electrical Cable Removal, Relocation, Splice, Repair, and Installation

Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2020, Auxiliary

Machine Systems

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2020, Requirements for Preservation of Ship Structures

Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2020, Drydocking

Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2020, Temporary

Services

Surface Forces Logistics Center Standard Specification 8636 (SFLC Std Spec 8636), 2020, Temporary

Hull Accesses

OTHER REFERENCES

American Bureau of Shipping (ABS) Approved Chain, Accessory and Bar Manufacturing Facilities List, Oct 2016

American National Standards Institute/American Water Works Association (ANSI/AWWA) C652, 2011, Disinfection of Water-Storage Facilities

American National Standards Institute/NSF International (ANSI/NSF) 61, 2015, Drinking Water System

Components - Health Effects

American Society for Nondestructive Testing (ASNT) SNT-TC-1A, 2013, Recommended Practice for

Personal Qualification and Certification in Nondestructive Testing

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

Welding End

APM: If work is being done in DD, no cofferdam is needed; delete cofferdam protective measures paragraph 3.1.3 and above NAVSEA ref. Above NAVSEA ref is accessible on-line viii (Rev-0)

ASTM International (ASTM) A106, 2015, Standard Specification for Seamless Carbon Steel Pipe, for

High-Temperature Service

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

ASTM International (ASTM) D4138, 2013, Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means

ASTM International (ASTM) D5363, 2016, Standard Specification for Anaerobic Single-Component

Adhesives (AN)

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

Commercial Item Description (CID) A-A-59313, Nov 2003, Thread Compound; Anti-seize, Zinc Dust-

Petrolatum

Commercial Item Description (CID) A-A-59316, 2003, Abrasive Materials for Blasting

Federal Specification (Fed Spec) HH-P-151, Mar 1991, Packing; Rubber-Sheet, Cloth-Insert

Federal Specification (Fed Spec) QQ-N-281, Oct 1985, Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections

Federal Specification (Fed Spec) RR-C-271, Rev E, Dec 2010, Chain and Attachments, Welded and

Weldless

Federal Specification (Fed Spec) RR-C-271, Rev E, Mar 2016, Chains and Attachments, Carbon and

Alloy Steel

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2013 Edition, Pressure Testing Of Steel 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, 2018 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service

Manufacturers' Standardization Society of the Valve and Fittings Industry (MSS) SP-80, 2013 Edition, Bronze Gate, Globe, Angle and Check Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS), SP-58, 2009, Pipe

Hangers and Supports – Materials, Design, Manufacture, Selection, Application and Installation

MIL-A-18001, May 2005, Anodes, Sacrificial Zinc Alloy (Commercially Accepted - ASTM B418)

MIL-A-22262, Mar 1996; Abrasive Blasting Media Ship Hull Blast Cleaning

MIL-C-24633, Oct 2014, Chain, Stud Link, Anchor, Low Alloy Steel, Flash Butt Welded

MIL-DTL-1222, Dec 2000, Studs, Bolts, Screws and Nuts for Applications Where a High Degree of

Reliability Is Required

MIL-DTL-23549, Sep 2016, Grease, General Purpose

Mil-DTL-24643/15, Power and Lighting, Watertight, Circuit Integrity

MIL-F-24402, May 1995, Filters (Hydraulic), Filter Elements (High Efficiency), and Filter Differential

Pressure Indicators, General Specification

MIL-I-3064, Mar 1991, Insulation, Electrical, Plastic-Sealer

MIL-PRF-16173, Sep 2006, Corrosion Preventive Compound, Solvent Cutback, Cold-Application

Mil-S-24235/9E, 1992, Stuffing Tubes, Metal, And Packing Assemblies For Electric Cables, Brass and

Steel, for Decks and Bulkhead With Pipe Protection.

MIL-S-45180, 1998, Sealing Compound, Gasket, Hydrocarbon Fluid and Water Resistant

MIL-STD-2003-3A, Sep 2009, Electric Plant Installation Standard Methods for Surface Ships &

Submarines (Penetrations) ix (Rev-0)

Naval Sea Systems Command (NAVSEA) Underwater Ship Husbandry Manuals (UWSH) S0600-AA-

PRO-160, Nov 2011, Chapter 16, Cofferdams

NAVSEA Drawing 804-5773931, Rev A, Acoustic & Thermal Insulation For Compartments Installation

Details

Recovered Energy, Inc, BOSS 107 Separator System Operation & Maintenance Manual – YM Model

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C-6183B, 2019, Cork and Rubber Composition Sheet; for Aromatic Fuel and Oil Resistant Gaskets

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) G-6032, 2014, Grease, Plug Valve, Gasoline and Oil Resistant, NATO Code Number G-363, Metric

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2016, Solvent Cleaning

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2012, Power Tool Cleaning to Bare Metal

The Society for Protective Coatings (SSPC), January 2015, Paint Application Specification No. 2 (PA-2), Procedure for Determining Conformance to Dry Coating Thickness Requirements

The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation

Standard SSPC-SP 6/NACE No. 3, 2007, Commercial Blast Cleaning

The Society for Protective Coatings (SSPC)/NACE-International (NACE) Joint Surface Preparation

Standard SSPC-SP 10/NACE No. 2, 2007, Near-White Blast Cleaning x (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)

12 Y Starboard Z-drive

(CCW rotation)

NSN: 2010-21-920-0919 1 ea. 500,250.00

12 Y Port Z-drive (CW rotation)

NSN: 2010-21-920-0899 1 ea. 500,250.00

12 Y Special Alignment

Pointer Set- CG Tool

N/A 1 ea. 500.00

12 Y Z Drive Alignment

Tool

NSN: 5220-01-F16-4720 1 ea. 3600.00

13 N ***Fathometer

Transducer, Shallow

Water, 50-200 kHz

(Airmar Technology

SS505)

NSN: 5845-01-470-2500 1 ea. 343.63

14 Y ***Sperry SRD 500

Doppler speed log

NSN: 5999-01-472-7499 1 ea. 16504.43

18 N Anchor Windlass

Overhaul kit

NSN: 5430-01-546-4684 1 ea. 12,474.00

18 N Ball Valve NSN: 4820-01-013-3430 1 ea. 87.36

18 N Valve, Counterbalance NSN: 4820-01-F16-4571 PN:

CBEH-LKN-BCL Sun

Hydraulics Corp

1 ea. 354.00

18 N ** Motor, Hydraulic NSN: 4320-01-419-3520 1 ea. 1,811.00

18 N ** Valve, Linear, Directional Control

NSN: 4810-01-511-3173 1 ea. 983.14

18 N Hydraulic Brake NSN: 2530-01-F14-4033 P/N:

90B3C4G087

1 ea 2000.00

35 N Boss 2.2 GPM OWS NSN: 4330-01-F13-3461 PN:

BOSS 2.2T-107 YM

1 ea. 14,300.00

36 Y Winch, Boat Davit NSN: 2030-01-505-1581 PN:

49396

1 ea $22,366.77

36 N Wire Rope Assembly, 75’, 5/8”, 6x37, IWRC, EIPS

NSN: 4010-01-602-8365 1 ea 600.00

40 N 26 IN x 66 IN QA

Watertight Door, Steel, LH Swing; W/O Fixed

Light

NIIN: 014863599 1 5894.27

N **8” Simplex Strainer BF-150B, with T-bolt hinged cover)

2 ea. 20,000.00

N **3” Duplex Strainer NSN: 4730-01-643-2221 1 ea. 10,400.00 xi (Rev-0)

N Seal Kit, Thruster NSN: 2010-01-555-9048 1 ea. 4376.00

N Anode, Zinc NSN: 5365-01-495-5350 9 ea. 113.75

N **Seal Spacer

(B125SM44178)

NSN: 2010-01-495-6823 1 ea. 700.00

N **Shaft Sleeve NSN: 2010-01-495-2638 1 ea 5702.40

*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 xii (Draft-1)

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

1 Hull Plating, Side Scan, Ultrasonic Testing

15 Sea Valves and Waster Pieces, Overhaul Or Renew

16 Sea Bay, Clean and Inspect

18 Anchor Windlass, Inspect And Service

36 Single Point Davit Winch, Replace xiii (Draft-1)

PRINCIPAL CHARACTERISTICS - TENDER

175' WLM, BUOY TENDER

PHYSICAL

Length overall 174' 8"

Length between perpendiculars 155' 1"

Depth 14' 8"

Maximum beam 36' 0"

Designed draft 8' 0"

Mast height (above 8' waterline) 58' 8"

Frame spacing 20"

Full load displacement 855.15 Long Tons SW

Light load displacement 719.78 Long Tons SW

Minimum op condition displ 852.19 Long Tons SW

HULL

Hull material Steel

MACHINERY

Main propulsion Two Caterpillar 3508 DITA V-8 diesel; 999 BHP ea @ 1500 RPM

Two Ulstein 360 degree steerable Z-Drives, 403 SRPM @ 1600 ERPM

Reduction gears Two Z-Drive units, Cardan shafting; 3.973:1 gear ratio

Shaft seal John Crane Type ND

Shaft bearings Five pedestal mounted, Cooper split roller bearings

Number of propellers 2

Number of blades 4

Diameter 57.1"

Rudders None; Z-drive

Ship's service generators Three Caterpillar Model 3406 DITA Turbocharged; 285KW, 450V, 60 Hz, 1800

RPM

Emergency diesel generator One Caterpillar Model 3406 DIT 210 KW, 24V, 60 Hz, 1800 RPM

TANK CAPACITIES

Diesel oil capacity (100%) 16,385 gal

Fresh water capacity (100%) 7,339 gal

Lubricating oil (100%) 86 gal

1 (Draft-1)

00000_0121_FLT

REC_00000_FLT_Commercial Project @ Contractor’ Facility (0121)

General Requirements

1. SCOPE

1.1 Intent. This standard specification invokes general requirements for conducting vessel repairs performed at a commercial contractor’s 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), 2020, General

Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2020, Welding and

Allied Processes

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2020, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None

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.

NOTE

The requirements of paragraph 3.1 (General) applies to all work under the scope of this contract, whether explicitly stated in work items or not, and to all other work subsequently authorized by changes, modifications, or extensions to the contract.

2 (Draft-1)

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. Ensure that all colors and color coat/paint schemes are in accordance with COMDTINST M10360.3, Chapter 6 (Cutter and Boat Colors Exterior and Interior).

NOTE

Unless a waiver has been granted (in writing) by the KO, deviations from authorized coatings (listed in Appendix C of SFLC Std Spec 6310) and colors and color schemes

(provided in Chapter 6 of COMDTINST M10360.3) are strictly prohibited.

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

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

3.5.1 Contractor operated (non USCG) facilities. The Contractor must provide and maintain environmental protection as defined in SFLC Std Spec 0000 Appendix A, Requirements for Environmental Protection at

Contractor Operated (Non USCG) Facilities, as applicable, 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 small quantity conditionally exempt.

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 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

3 (Draft-1) followed for the emissions of VOCs and hazardous air pollutants.

3.5.2 Test and procedures. The Contractor must be 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 must be 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, and must be 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 A, Requirements For

Environmental Protection At Contractor Operated (Non USCG) Facilities for HW disposal.

3.6 Local Policy. None.

3.7 SFLC Standard Specification approved changes. The Contractor must be aware that the following are approved changes to published SFLC 2020 Edition Standard Specifications and supersede published content:

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.

4 (Draft-1)

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

5 (Draft-1)

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 |

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

6 (Draft-1)

QA-3A - QUALITY ASSURANCE INSPECTION FORM

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

VESSEL NAME HULL # WORK ITEM

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-1/NACE WJ-1

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP WJ-3/NACE WJ-3

SSPC-SP WJ-4/NACE WJ-4

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

7 (Draft-1)

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-1/NACE WJ-1

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP WJ-3/NACE WJ-3

SSPC-SP WJ-4/NACE WJ-4

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 Reading

(mils)

Mean Reading (mils) IAW ASTM DD4417).

8 (Draft-1)

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)

9 (Draft-1)

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.

1 AVG. BMR DEVIATION

1 AVG. BMR DEVIATION

APPLICATION METHOD (AIRLESS,

CONVENTIONAL SPRAY, ROLLED)

AVERAGE DFT

10 (Draft-1)

11000_SideScan_ESD_0121_FLT

REC_11000_Side_Scan_FLT_175 WLM- ALL (0121)

WORK ITEM 1: Hull Plating, Side Scan, Ultrasonic Testing

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to perform thickness measurements of underwater (u/w) hull plating by ultrasonic side scan method.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 175 WLM 801-6, Rev H; Docking Plan

Coast Guard Drawing 175 WLM 801-19, Rev C; Shell Expansion

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements

OTHER REFERENCES

American Society for Nondestructive Testing (ASNT) SNT-TC-1A, 2013, Recommended

Practice for Personal Qualification and Certification in Nondestructive Testing

3. REQUIREMENTS

3.1 General.

3.1.1 CIR. The Contractor shall submit a CIR for the inspections listed in the following paragraph(s):

3.2 Side scan requirements and procedures.

None.

3.1.2 Tech Rep.

Not applicable.

11 (Draft-1)

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).

3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the following:

Hull zinc anode system

Docking blocks.

3.2 Work coordination and preparation. The Contractor shall plan all specified vessel work detailed in this specification package to ensure the side scan survey does not necessitate a work stoppage. The Contractor shall abide by the following guidance, to facilitate the ultrasonic survey:

Ensure that all u/w body surface preparation and primer coat application tasks are completed within ten days of lifting the vessel.

Provide a continuous supply of fresh water at .50 gpm within 50 feet of the vessel with standard hose bib fitting.

Provide 110 VAC electrical power, and scaffolding or other suitable means of access to bring inspection personnel within one foot of all the body surface inspection areas that are five feet above ground level.

After completion of the hull survey, and authorized hull repairs, resume/complete u/w body preservation process by applying the second coat of the anti-corrosive coating system, and all anti-fouling paint coats.

Pay close attention to manufacturer’s recommended practices in regards to paint system overcoat time limitations and required degree of surface cleanliness prior to resuming u/w body coating application.

3.3 Side scan requirements and procedures. The Contractor shall ensure the following referring to the

Coast Guard drawings listed in Section 2 (References) herein as guidance during the performance of the tasks specified below and submit a CIR.

3.3.1 Testing company and personnel. Provide the services of a qualified ultrasonic testing company, with suitable side scan equipment, to conduct a “Scanning Crawler Automated Test” of the vessel’s u/w hull plating for the presence of metal corrosion and deterioration. Ensure the following:

All scanning operations are completed by personnel meeting the personnel qualification and certification, as required by contractor process. This contractor developed personnel qualification and certification process must meet, at a minimum, ASNT Recommended

Practice No. SNT-TC-1A.

An SNT Level III Analyst is on site, to oversee the project and evaluate the collected data.

An SNT Level III or II Analyst is on site, to verify with a hand held gauge all areas on the hull identified as thinner than the specified criteria, in order to expedite all repair procedures.

Qualified personnel are provided to complete all on-site corrosion inspections.

3.3.2 Coast Guard notification. Accomplish all required tasks within 10 calendar days of the start of the availability.

3.3.2.1 Provide a daily update to the COR on all areas inspected and potential issues or schedule changes.

12 (Draft-1)

3.3.2.2 Notify the COR at least 3 days prior to completion for an onsite review of readings and repair areas.

3.3.3 Scanning parameters. Use the following parameters during the course of this inspection:

Automated scanning resolution must be set to 0.5” x 0.5”

Plates where scan data indicating wastage greater than or equal to 25% nominal plate thickness must be highlighted in “RED” and designated “repair areas”.

Plates where scan data indicating wastage greater than or equal to 15% to 24% of nominal plate thickness must be highlighted in “YELLOW”.

Plates where scan data indicating wastage greater than or equal to 10% to 14% of nominal plate thickness must be highlighted in DARK GREEN.

Hand held UT readings must be taken to verify bad metal areas found with the side scan equipment. All readings must be provided to the COR and the lowest reading marked on the hull at the bad metal location.

Areas that are accessible but cannot be reached by the automated scanner must be scanned with a hand-held meter at a resolution of 2” x 2”. Any repair areas found during the hand scan must be marked on the ships hull and their approximate positions recorded on the plate drawings and report summary..

3.3.3.1 Any scanning parameter or scope of work changes must be approved by the KO.

3.3.3.2 The echo to echo transducer is not authorized due to inconsistent readings and technical difficulties.

3.3.3.3 There shall be no deviation from the color scheme specified above.

3.3.4 Ensure that the side scan inspection area includes the Port, Starboard, and Transom exterior shell plate below the water line, but shall exclude the following list.

Areas under and within 6-inches of blocks and side blocks (areas that are accessible 6 inches from blocks and side blocks must be hand scanned.)

Areas up to 6-inches around any obstacle on the hull including sea suctions, discharges, rudderposts, knuckle, bow stem, stabilizer tubes, and stern tubes, as applicable.

Any areas blocked by immovable scaffolding or shipyard activity.

3.4 Side scan reports. The Contractor shall submit to the COR a final report within 3 working days after the side scan inspection is completed. A copy of all repair areas shall be clearly marked, in yellow or white, on the provided shell plate drawing(s), and provide a summary document of same areas. Submit two hard copies of the report with two CD’s containing the electronic (raw) data, as part of the CIR submission prior to departing the job site. Ensure the reports include:

Inspection overview.

Data sheets for each plate with designated repair areas outlined in blue.

Mosaic of scanned data overlaid on Coast Guard Drawing 175 WLM 801-19.

3.4.1 Photos. Provide digital photos of all designated repair areas.

3.4.2 Electronic files. Ensure CD’s contain a complete copy of the report, interactive data files, and digital

13 (Draft-1) pictures. All electronic files shall be compatible with standard USCG workstation operating software.

Electronic files format shall be such that the CG has the capability to change the percent of wastage

(format conditioning) per plate. Electronic files shall be capable of being opened using MS Word, MS

Excel, or PDF software. Digital pictures shall be recorded in JPEG format.

4. NOTES

This section is not applicable to this work item.

14 (Draft-1)

11000_ESD_0121_FLT

REC_11000_UWHIB_FLT_175’ WLM (ALL) (0121)

WORK ITEM 2: Hull Plating, U/W Body, Inspect

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to inspect/survey the vessel’s

Under Water (U/W) hull plating, including U/W appendages and coating system.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 175 WLM 114-001, Rev D, Shell Appendages

Coast Guard Drawing 175 WLM 801-006, Rev H, Docking Plan

Coast Guard Drawing 175 WLM 801-019, Rev C, Shell Expansion

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements

OTHER REFERENCES

ASTM International (ASTM) D4138, 2013, Standard Practices for Measurement of Dry Film

Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means

The Society for Protective Coatings (SSPC), January 2015, Paint Application Specification No. 2

(PA-2), Procedure for Determining Conformance to Dry Coating Thickness Requirements

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

15 (Draft-1)

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences).

3.2 Inspection. The Contractor must accompany the Underwater Hull Inspection Board (UWHIB) in the performance of the below inspection tasks, as applicable, using the drawings listed in Section 2

(References) as guidance. The Contractor must provide the following, to facilitate the UWHIB in assessing the condition of the designated U/W hull components and systems:

A hull repair supervisor and a marker.

Temporary staging and other necessary equipment, as applicable, for ensuring safe access to all areas of the U/W hull.

NOTES

1. The COR will convene the UWHIB as soon as possible after the vessel has been dry-docked and before any work (except U/W hull cleaning/wash down) is performed on the U/W hull and appendages.

2. Some of the components and/or systems addressed in this work item may not be applicable to all vessel classes.

3.2.1 Hull plating.

3.2.1.1 The Contractor must inspect the condition of the hull plating (including thruster tunnel plating, as applicable), for the presence of marine growth, deformation, and any evidence of major corrosion or electrolytic action.

3.2.1.2 The Contractor must inspect the hull and keel areas, report on the condition of butt-welded seams, doubler plates, lap seams, and for any signs of damaged plating or unusual waviness in the plating.

3.2.2 Sea chests and all other cooling system intake components. The Contractor must inspect all sea chests, sea beam arrays, tunnels, hull openings, and grates for general appearance, loose, damaged, or missing grates, loose or missing fasteners, condition of sea strainers and lockwire on bolts, marine growth on grating slots, and any obstructions in the openings that might prevent proper suction and discharge of water.

3.2.3 Z-Drive and associated components. The Contractor must inspect the condition of propellers for signs of corrosion, pitting, erosion, fouling, cracks, dings, and nicks by side and blade; inspect fairwaters, rope guards, shafts, and mechanical seals - look for missing screws, physical damage to the blades, pitting, condition of dunce caps, and condition of securing devices.

3.2.4 Transducers. The Contractor must check general condition for cuts, cracks, corrosion, and surface defects around the openings. Check transducer securing nuts for tightness, and inspect cables for chafing and other damage.

3.2.5 Zinc anodes.

16 (Draft-1)

3.2.5.1 The Contractor must remove all marine growth and oxide coating from all hull, rudder, shaft strut, sea chest, sea beam array, z-drive, and thruster tunnel zinc anodes, or water jet drives anodes, as applicable, using a light-wire brush.

3.2.6.2 The Contractor must visually inspect all zinc anodes; check the soundness of mounting strap and stud welds, missing fasteners, and percentage of remaining material.

3.2.6 Coating system inspections. The Contractor must accomplish the below inspections, in conjunction with the underwater hull inspection conducted by the Underwater Hull Inspection Board (UWHIB).

Document the condition found as “Partial - Condition A”, “Partial - Condition B”, “Partial Condition C”, or “100%”, as applicable (see 4.1 (Definitions)). Submit a CFR.

NOTE

The following inspections are for determining the existing condition of the coating system for the underwater body surfaces, which are deemed “Critical-coated” surfaces; they must be carried out by a SSPC-QP-1 certified contractor/sub-Contractor or a NACE Inspector – see SFLC Std Spec 0000, paragraph 3.2.4.2 (In-process QC measures for “critical-coated surfaces”).

3.2.6.1 Visual. Perform a visual inspection of the existing U/W body coating system.

4. NOTES

4.1 Definitions.

4.1.1 "Partial – Condition A”: The condition that exists where the substrate is exposed in up to 33% of the entire U/W body.

4.1.2 "Partial - Condition B": The condition that exists where the anticorrosive (AC) undercoating system has incurred damage, but, the u/w body hull substrate is not exposed in any location.

4.1.3 "Partial - Condition C”: The condition that exists where damage is confined to the antifoulant (AF) topcoating; the epoxy undercoating system is not exposed in any location.

4.1.4 "100%”: The condition that exists where more than 33% of the U/W body hull substrate is exposed.

4.2 UWHIB convention.