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USCG 47261 (MLB 47)

SPECIFICATION FOR DRYDOCK REPAIRS

FY2022

Developed By: Aaron D Benson

(Rev-0, 20 December 2021)

USCG 47261 (MLB-47) DRYDOCK AVAILABILITY FY2022

ii (Rev-0)

TABLE OF CONTENTS

Revisions Record ......................................................................................................................................... iii Consolidated List of References ................................................................................................................... iv Consolidated List of Government-furnished Property ................................................................................. ix Consolidated List of Critical Inspection Items ............................................................................................. xi Principal Characteristics ............................................................................................................................. xii General Requirements WORK ITEM 1: General Welding, Provide WORK ITEM 2: Ultrasonic Testing (U/W Body) Shots, Perform WORK ITEM 3: Hull Plating, U/W Body, Inspect WORK ITEM 4: Bulkhead Penetrations, Frame 5, Inspect WORK ITEM 5: U/W Body, Preserve, 100 percent WORK ITEM 6: Rub Rail, Remove, Inspect And Install WORK ITEM 7: Appendages, U/W, Leak Test WORK ITEM 8: Accessible Spaces, Inspect WORK ITEM 9: Tanks, MP Fuel Service, Clean and Inspect WORK ITEM 10: Buoyancy Chamber(s), Clean And Inspect WORK ITEM 11: Watertight Closures, Inspect WORK ITEM 12: Mast, Inspect WORK ITEM 13: Main Diesel Engine, Remove And Install WORK ITEM 14: Main Diesel Engine To Reduction Gear, Both, Align WORK ITEM 15: Cardan Shaft(S), Remove, Inspect And Reinstall WORK ITEM 16: Propulsion Shaft, Remove, Inspect, And Install WORK ITEM 17: Water Lubricated Bearings, Renew WORK ITEM 18: Propellers, Remove, Inspect, And Reinstall WORK ITEM 19: Main Diesel Engine Exhaust System, Clean And Inspect WORK ITEM 20: Fuel Root Valves, Renew WORK ITEM 21: Electrical Isolation, Perform WORK ITEM 22: Exterior Deck Lights, Inspect WORK ITEM 23: Various Piping, Inspect WORK ITEM 24: Lazarette Intake Vent, Inspect WORK ITEM 25: Sea Valves, Renew WORK ITEM 26: Sea Strainers, Duplex, All Sizes, Overhaul WORK ITEM 27: Sea Strainers, Simplex, All Sizes, Clean and Inspect WORK ITEM 28: Diesel Tanks, Refuel WORK ITEM 29: Steering System, Inspect WORK ITEM 30: Rudder Assembly, Remove, Inspect and Reinstall WORK ITEM 31: Tow Reel, Overhaul WORK ITEM 32: Windshield Wipers, Remove, Inspect and Install WORK ITEM 33: Hull Identification Markings, Apply WORK ITEM 34: Cathodic Protection / Zincs, Renew WORK ITEM 35: Exterior Non-Slip Pads, Renew WORK ITEM 36: Interior Hull Insulation, Renew WORK ITEM 37: Marine Chemist Services, Provide WORK ITEM 38: Drydock WORK ITEM 39: Temporary Services, Provide WORK ITEM 40: Sea Trial Performance, Support, Provide WORK ITEM 41: Bilge Preservation, Auxiliary Space WORK ITEM 42: Standard Hoses, 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 47 MLB 252-10, Rev K, Propulsion System Control

Coast Guard Drawing 47 MLB 300-10, Rev C, Electrical Load Analysis

Coast Guard Drawing 47 MLB 300-20, Rev L, Motor Lifeboat Electrical one Line Diagram

Coast Guard Drawing 47 MLB 301-10, Rev P, Electrical Arrangement Panel Installation & Details

Coast Guard Drawing 47B MLB 110-207, Rev E, Transverse BHD FR 8

Coast Guard Drawing 47B MLB 110-209, Rev C, Transverse BHD FR 10

Coast Guard Drawing 47B MLB 110-306, Rev H, Web Frame 9

Coast Guard Drawing 47B MLB 110-500, Rev H, Shell Plating

Coast Guard Drawing 47B MLB 110-600, Rev H, 47 FT Motor Lifeboat Survivors Compartment Flat

Coast Guard Drawing 47B MLB 150-030, Rev F, 47 FT Motor Lifeboat Open Bridge Deck

Coast Guard Drawing 47B MLB 150-060, Rev G, 47 FT Motor Lifeboat FWD Deck Locker

Coast Guard Drawing 47B MLB 150-090, Rev E, 47 FT Motor Lifeboat Aft Buoyancy Box

Coast Guard Drawing 47B MLB 150-090, Rev E, Aft Buoyancy Box

Coast Guard Drawing 47B MLB 171-010, Rev T, 47 FT Motor Lifeboat Mast

Coast Guard Drawing 47B MLB 171-010, Rev T, Mast

Coast Guard Drawing 47B MLB 201-010, Rev L, 47 FT Motor Lifeboat Machinery Arrangement

Coast Guard Drawing 47B MLB 201-010, Rev L, Machinery Arrangement

Coast Guard Drawing 47B MLB 313-001, Rev -, Standard Battery Connection Configuration

Coast Guard Drawing 47B MLB 505-020, Rev AB, Piping Arrangement in Hull

Coast Guard Drawing 47B MLB 581-010, Rev E, 47 FT Motor Lifeboat Anchor Stowage Arrangement

Coast Guard Drawing 47B MLB 612-010, Rev J, 47 FT Motor Lifeboat Handrails

Coast Guard Drawing 47B MLB 625-010, Rev D, Window List

Coast Guard Drawing 47B MLB 801-002, Rev -, Docking Plan

Coast Guard Drawing 47B-MLB 110-201, Rev D, Transom

Coast Guard Drawing 47B-MLB 110-206, Rev F, Transverse Bhd Fr 5

Coast Guard Drawing 47B-MLB 110-208, Rev E, Fuel Tank

Coast Guard Drawing 47B-MLB 110-500, Rev H, Shell Plating

Coast Guard Drawing 47B-MLB 110-500, Rev J, Shell Plating

Coast Guard Drawing 47B-MLB 161-010, Rev M, Shaft Struts and Barrels v (Rev-0)

Coast Guard Drawing 47B-MLB 167-010 Rev L, List of Hatches and Manholes

Coast Guard Drawing 47B-MLB 167-010, Rev L, List of Hatches and Manholes

Coast Guard Drawing 47B-MLB 171-010, Rev T, Mast

Coast Guard Drawing 47B-MLB 201-010, Rev L, Machinery Arrangement

Coast Guard Drawing 47B-MLB 243-010, Rev V, Propulsion Shafting Bearings and Seals

Coast Guard Drawing 47B-MLB 243-010, Rev W, Propulsion Shafting Bearings & Seals

Coast Guard Drawing 47B-MLB 243-010, Rev W, Propulsion Shafting Bearings and Seals

Coast Guard Drawing 47B-MLB 252-020, Rev H, Engine Remote Shutdown

Coast Guard Drawing 47B-MLB 259-020, Rev K, Engine Exhaust Arrangement

Coast Guard Drawing 47B-MLB 320-030, Rev J, Dk Plan/Schem/Wrg/ Windows Htrs / Blowers/Wipers

Coast Guard Drawing 47B-MLB 331-010, Rev N, Lights and Switches Installation

Coast Guard Drawing 47B-MLB 505-020, Rev AB, Piping Arrangement in Hull

Coast Guard Drawing 47B-MLB 512-010, Rev N, HVAC Details & Arrangement

Coast Guard Drawing 47B-MLB 561-010, Rev J, Steering Gear & Controls

Coast Guard Drawing 47B-MLB 561-020, Rev E, Rudder Arrangement

Coast Guard Drawing 47B-MLB 562-010, Rev B, Rudder

Coast Guard Drawing 47B-MLB 582-030, Rev E, Towline Reel Arrangement

Coast Guard Drawing 47B-MLB 611-020, Rev M, Foam Fender Arrangement

Coast Guard Drawing 47B-MLB 631-010, Rev G, Hull Visual Identification

Coast Guard Drawing 47B-MLB 631-020, Rev L, Paint Schedule

Coast Guard Drawing 47B-MLB 633-010, Rev A, Cathodic Protection

Coast Guard Drawing 47B-MLB 634-010, Rev D, Deck Covering

Coast Guard Drawing 47B-MLB 635-010, Rev C, Hull Insulation

Coast Guard Drawing 47B-MLB 801-002, Rev -, Docking Plan

Coast Guard Drawing 47B-MLB 801-010, Rev P, Booklet of General Plans

Coast Guard Drawing FL-85-002, Rev -, GFE Boat Hot Work Diagrams

COAST GUARD PUBLICATIONS

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

Coast Guard Technical Publication (TP) 3355, SWBS 086, Apr 2003, General Information Book

Coast Guard Technical Publication (TP) 3355, SWBS 086, Apr 2003, General Information Book Section A

Coast Guard Technical Publication (TP) 3355, SWBS 086, Apr 2003, General Information Book, Section A

Coast Guard Technical Publication (TP) 3356, SWBS 167-202, Oct 2006, Manufacturer’s Information Book-SWBS Group(s) 167-202

Coast Guard Technical Publication (TP) 3358, SWBS 233, Jul 2003, Manufacturer’s Information Book – SWBS Group(s) 233

Coast Guard Technical Publication (TP) 3358, SWBS 233, Jul 2003, Manufacturer’s Information Book – SWBS Group(s) 233, Sections A-H

Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information Book - SWBS Group(s) 241-541 vi (Rev-0)

Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information Book - SWBS Group(s) 241-541, SWBS 241, Section A, Propulsion Reduction Gears

Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information Book - SWBS Group(s) 241-541, SWBS 243, Section C, Propulsion Shafting

Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information Book - SWBS Group(s) 241-541, SWBS 243, Sections A, B, C, D, Propulsion Shafting

Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information Book - SWBS Group(s) 241-541, SWBS 245, Section A, Propellers, MY-T4

Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information Book - SWBS Group(s) 241-541, SWBS 259, Section A, Exhaust System

Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information Book – SWBS Group(s) 241-541, SWBS 520, Sea Water Systems

Coast Guard Technical Publication (TP) 3359, SWBS 241-541,Feb 2016, Manufacturer’s Information Book – SWBS Group(s) 241-541, SWBS 520, Sea Water Systems

Coast Guard Technical Publication (TP) 3359, SWBS Group (s) 241-541, Mar 1998, Manufacture’s Instruction Book- 47 MLB (B) Type Boats.

Coast Guard Technical Publication (TP) 3360, SWBS 555-671, Apr 2015, Manufacturer's Instruction Book - SWBS Group(s) 555-671, SWBS 582, Section A, Towline Reel, Series 30/14

Coast Guard Technical Publication (TP) 3360, SWBS 555-671, Apr 2015, Manufacturer's Instruction Book - SWBS Groups 555-671, SWBS 611, Section A, Hull Fittings

Coast Guard Technical Publication (TP) 3918A, SWBS 233, Jul 2003, DDEC III, Series 92, Service Manual - Sections 1 and 2

Coast Guard Technical Publication (TP) 3918C, SWBS 233, Jul 2003, DDEC III, Series 92, Service Manual - Sections 7 Thru 15

Coast Guard Technical Publication (TP) 4993, SWBS 593, Oct 2011, Nonskid Pads, Peel and Stick Catalog

Coast Guard Technical Publications (TP) 3360, SWBS 555-671, Apr 2015, Manufacturer’s Instruction Book - SWBS Group(s) 555-671

Coast Guard Technical Publications (TP) 3360, SWBS 555-671, Apr 2015, Manufacturer’s Instruction Book - SWBS Group(s) 555-671, SWBS 561, Section A, Steering & Diving Control Systems

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

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0740), 2020, Welding and Allied Processes

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

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 vii (Rev-0)

OTHER REFERENCES

American Society of Mechanical Engineers (ASME) B16.34, 2004, Valves-Flanged, Threaded, and Welding End

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) D5363, Apr 2016; Standard Specification for Anaerobic Single-Component Adhesives (An)

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

International Standard for Organization (ISO) 484/2, Dec 2015, Shipbuilding - Ship Screw Propeller - Manufacturing tolerances - Part 2: Propellers of Diameter Between 0.80 and 2.50m, Inclusive

International Standard Organization (ISO) 21940-11, Nov 2016, Mechanical Vibration - Rotor Balancing, Procedure and Tolerances for rotors with rigid behavior

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2003 Edition, Pressure Testing Of Steel Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-67, 2002 Edition, Butterfly Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-72, 1999 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service

Manufacturers' Standardization Society of the Valve and Fittings Industry (MSS) SP-80, 2003 Edition, Bronze Gate, Globe, Angle and Check Valves

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

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

MIL-G-24716A, Apr 1993, Gaskets, Metallic-Flexible Graphite, Spiral Wound

MIL-PRF-16173, Oct 2017, Corrosion Prevention Compound, Solvent Cut-Back, Cold-Application

MIL-PRF-16173E, Oct 2017, Corrosion Preventive Compound, Solvent Cutback, Cold-Application

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

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

Naval Sea Systems Command (NAVSEA) Underwater Ship Husbandry Manuals (UWSH) S0600-AA- PRO-160, Nov 2011, Chapter 16, Cofferdams

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2019, Cork and Rubber Composition Sheet; for Aromatic Fuel and Oil Resistant Gaskets

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) G-6032, 2020 Grease, Plug Valve, Gasoline and Oil Resistant, NATO Code Number G-363, Metric

Society of Automotive Engineers (SAE) AMS-G-6032, August 2012, 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), Apr 2015, Solvent Cleaning

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2016, Solvent Cleaning viii (Rev-0)

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-WJ-2/NACE WJ-2, Mar 2012, Water Jet Cleaning of Metals-Very Thorough Cleaning

The Society for Protective Coatings SSPC-SP 1, Apr 2015 (E Aug 2016), Solvent Cleaning

The Society for Protective Coatings SSPC-SP 2, Nov 1982 (E Nov 2004)-; Hand Tool Cleaning ix (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)

13 N Soft Patch Gasket NSN: 5330-01-631-0907 or

PN: 47-SPG-1

1 ea. 185.17

14 Y *47 MLB Alignment Pointers

PN: 47MLB RMF-ETRGAP 1 KIT 00.00

14 Y *47 MLB Alignment Pointer Flats

PN: 47MLB RMF-ETRGAF 1 KIT 00.00

14 Y *Digital Angle Indicator

PN: 1 ea. 00.00

14 N *Cardan Shaft Seals NSN: 2010-01-545-9932Â or

PN: H73246-01

2 ea. 1,990.87

15 Y *Shaft, Cardan NSN: 3040-01-463-9110 2 ea. 2,620.73 15 N *Seal, Shaft

(Complete) NSN: 2010-01-545-9932 2 ea. 1,990.87

16 N *Propeller shaft NSN: 2010-01-463-9116 2 ea. 3,559.23 16 N Shaft Seal (3-3/4â € ) NSN: 2040-01-627-3245 or

PN: 02-212-334

2 ea. 341.50

17 N Upper Rudder Bearing NSN: 3120-01-469-8793 2 ea. 159.37 17 N Lower Rudder Bearing NSN: 3120-01-469-8769 2 ea. 208.93 17 N Shaft Bearing Strut

Tube NSN: 3120-01-366-0506 2 ea. 396.88

17 N Shaft Bearing Stern Tube

NSN: 3120-01-365-9410 2 ea. 290.75

18 N * Propeller, Marine (Port)

NSN: 2010-01-463-9096 1 ea. 4,865.33

18 N * Propeller, Marine (Stbd)

NSN: 2010-01-463-9101 1 ea. 4,821.51

25 N Main Engine R/W supply valve

NSN: 4820-01-544-1003 or

PN: S-135JW2PPPPP2-HSV

2 ea. 1,710.15

25 N HVAC Suction Sea Valve

NSN: 4820-01-274-6687 or

PN: 70-106-01

1 ea. 31.29

26 Y **2 1/2 inch Duplex Strainer – Main

Engine

PN: GROCO VD-2500 2 ea. 1,338.90

27 Y **1 1/4 inch Simplex Strainer

PN: GROCO SA-1250 1 ea. 338.90

30 N *Rudder assembly NSN: 2040-01-444-6315 2 ea. 4,438.70 32 N *30" Wiper, Windshield Assy NSN: 2090-01-500-6599 or

PN: 1M-1MLB-480-101

2 ea. 2,775.00

32 N *32" Wiper, Windshield Assy

NSN: 2090-01-500-7937 or

PN: 1M-1MLB-533-101

2 ea. 2,763.18

34 N Zinc, Barrel shape NSN: 5342-01-366-3891 6 ea. 24.03 x (Rev-0)

34 N Zinc, Oblong shape NSN: 5340-01-381-0840 2 ea. 49.40 35 N 47 MLB Non-Slip Pad

Kit NSN: 2040-00-NIB-0342 1 ea. 3,164.21

35 N Edge Sealing Compound

NSN: 8030-01-580-0926 12 ea. 10.90

38 Y *Transducer Cover Plate

N/A 1 ea. 50.00

*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

2 Ultrasonic Testing (U/W Body) Shots, Perform

5 U/W Body, Preserve, 100 percent

6 Rub Rail, Remove, Inspect And Install

7 Appendages, U/W, Leak Test

8 Accessible Spaces, Inspect

9 Tanks, MP Fuel Service, Clean and Inspect

14 Main Diesel Engine To Reduction Gear, Both, Align

15 Cardan Shaft(S), Remove, Inspect And Reinstall

16 Propulsion Shaft, Remove, Inspect, And Install

24 Lazarette Intake Vent, Inspect

26 Sea Strainers, Duplex, All Sizes, Overhaul

27 Sea Strainers, Simplex, All Sizes, Clean and Inspect

30 Rudder Assembly, Remove, Inspect and Reinstall xii (Rev-0)

PRINCIPAL CHARACTERISTICS

47' MLB, MOTOR LIFE BOAT

PHYSICAL

Length, overall 47' 11" (W/O Rubrails) - 48' 11" Length, waterline 43” Beam, overall 14' (W/O Rubrails) - 15' Depth 4' 6" Full load displacement 40,000 lbs Full load draft 4' 6" Height of highest projection 18' 6" (fixed height) - 28' 4"

HULL

Hull/superstructure material 5456 Aluminum Frame spacing FR 0 to 8 30" - 31" FR 8 to 10 33" FR 10 to 18 30"

MACHINERY

Engine details (2) DD 6V92TA DDEC III, 435 SHP each @ 2100 RPM Electrical system 24 Volt DC Number of propellers 2 Number of blades 4 Diameter 28" Pitch 36" Shaft- diameter x length (in) 2.50” x 159.0” Shore tie voltage requirements 120 VAC (100A)

PERFORMANCE

Maximum speed at sea state 0 25 knots (2050-2200 RPM) Cruise speed at sea state 2 20 knots (1850 RPM) Max idle speed 6 knots (600 RPM) Fuel capacity (diesel) 394 gal.

Range at cruise, sea state 0 200 NM

1 (Rev-0)

00000_0821_FLT

REC_00000_FLT_Boats @ Commercial Facility (0121)

General Requirements

1. SCOPE

1.1 Intent. This standard specification invokes general requirements for conducting boat 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. The requirements of this WI applies to all work under 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.

2 (Rev-0)

3.1.1 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.

3.4 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.

3.5.1.2 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 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 (Rev-0)

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. 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 Coast Guard turn-over preparation. The Contractor must be aware that, upon arrival, after haul out, and prior to departing the Contractor’s facility, the Coast Guard crew must be allowed to accomplish various tasks in preparation for the turn-over of the boat to the Contractor. The following conditions apply to this paragraph:

3.6.1.1 The Coast Guard requires a maximum of three days at the beginning of the contract, and three days at the end to accomplish various tasks.

3.6.1.2 The Contractor may commence/continue work during these time frames.

<<APM Note: Paragraph 3.6.1.3 pertains to 47’ MLB only. For all other SBPL assets delete this paragraph.>>

3.6.1.3 Coast Guard personnel will disconnect the Detroit Diesel Electronic Control (DDEC) System and any other electronic equipment, as required to avoid damage to systems arising from hotwork on the vessel during the availability.

3.6.1.4 Coast Guard personnel will remove the transducers after initial haul-out and reinstall prior to re-floating the vessel.

3.6.1.5 The Unit will contact the servicing ESD or ESU to setup removal/installation of the transducer if Unit personnel are unable to accomplish this task.

4 (Rev-0)

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:

3.7.1 SFLC Standard Specification 8636. Add missing paragraphs between 3.2 and 3.5 of Std Spec 8636 as follows:

“3.3 Access cut boundaries. The Contractor shall ensure that access cuts comply with the requirements and restrictions detailed in the following and in SFLC Std Spec 0740, and referenced codes.

3.3.1 Location of boundaries. Boundaries of access cuts and closure plates shall, in general, be located between principal ship framing, bulkheads, and other structural members and shall be at least three inches from any of these members or from the toes of other welds. A reduction in this three inch minimum may be approved by the KO on a case by case basis provided sufficient clearance is maintained for welding and inspection requirements.

The boundaries of access cuts and closure plates should land on existing butts or seams, wherever practicable. The boundaries of prior access cuts should be utilized wherever possible. Boundaries may extend across one or more frames as required for the size of the opening.

3.3.2 Access hole dimensions and arrangements. Holes or access cuts shall be the minimum size necessary and shall be in accordance with the following:

Rectangular access cuts and closure plates welded into primary hull structure shall be at least 12 inches wide in the lesser dimension.

For circular access cuts, the minimum diameter shall be 4T, where T = thickness of the involved structural member, but not less than three inches.

Circular closure plates for access cuts less than two feet in diameter shall be dished 1/16 to 1/8 inch to allow for shrinkage when welded.

Corners of rectangular access cuts and closure plates shall have a minimum radius of 6 inches except when a boundary lands on an existing hull longitudinal seam or transverse butt weld.

Corners at an existing seam or butt shall intersect at a 90 degree angle.

Cuts that are to cross existing butts or seams shall do so at an angle of 90 degrees plus or minus 15 degrees.

In primary hull structure, existing welds forming the boundary of a cut shall be cut back 3 inches beyond the toe of the access cut, except that the cut back shall not intersect or cross an existing weld, frame, or structural member. In which case, the cut back may be reduced to a minimum of two inches in length.

Existing welds crossed by the cut shall not be cut back.

3.3.3 Primary hull structure. Primary Hull Structure includes the shell, main strength decks, principal longitudinal bulkheads, vertical keel, deep web girders and stiffeners designed to withstand the ship bending stress.

3.3.4 Mechanically fastened joints. Welding closer than six inches to a mechanically fastened joint should be avoided. When access cuts cross or come within six inches of a mechanically fastened joint, the fasteners shall be checked for tightness and if necessary, loose fasteners shall be seal welded or removed, and replaced for a distance of 6 inches beyond the edge of the cut. When a cut crosses a mechanically fastened seam the cut plates shall be repaired using single V welds backed with glass tape (MIL-C-20079) to prevent fusion between the mechanically fastened plates.

3.4 Ship integrity maintenance. The Contractor shall maintain safety and ship integrity by installing temporary guarding and coaming, in addition to weathertight and watertight closures. Remove these temporary fabrications after closing the hull access, and grind surfaces flush in way of removals. For shell plating cuts made at or below

5 (Rev-0) the waterline where temporary closures are impractical, the Contractor shall secure each vulnerable compartment and subdivision to minimize potential damage to the extent permitted by the scope and urgency of the work.

3.4.1 Guarding. Install temporary guards in accordance with 29 CFR 1915.73.

3.4.2 Coaming. Ensure that in areas where flammable liquids may be stored, a 4 inch high metal coaming shall be installed on the surface of the deck with tack welds and fully sealed with caulking compound. The coaming shall encircle the access cut in the deck.

3.4.3 Weathertight and contamination closures. Fabricate temporary closures, using fire retardant material, before cutting access openings and install closures whenever access is not in use. Closures shall be:

Constructed to protect the access from inclement weather and entry of contaminants (shall include a coaming or dam on the deck to redirect rain runoff away from the opening).

Fitted with fasteners that permit rapid installation and removal.

Able to support a minimum of 150 pounds per square foot for horizontal deck closures.

Where the access opening is in way of a removed hatch, scuttle or door, the closure shall be configured to allow normal passage of ship’s personnel and equipment.

3.4.4 Watertight closures. Ensure that access openings created four feet or less above the maximum anticipated waterline shall include temporary watertight closures when the vessel is waterborne.

NOTE

NAVSEA S0600-AA-PRO-160/CH16 provides requirements for design, fabrication, and installation of temporary watertight closures.”

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:

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)

07400_ESD_1021_BOAT_FLT

WORK ITEM 1: General Welding, Provide

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to provide general welding.

TABLE 1 – GENERAL WELDING

ITEM DESCRIPTION LOCATION APPROXIMATE

AMOUNT

APPLICABLE

DRAWING

Stanchion guard rail has dent/bend.

PORT Side Open Bridge

24 SQIN 47B MLB 612-010 REV J

Excessive pitting and corrosion, requires CLAD weld

PORT FWD Deck Box (Anchor Box)

15” 47B MLB 581-010 REV E

Excessive pitting and corrosion, requires CLAD weld

STBD FWD Deck Box (Line Locker)

15” 47B MLB 150-060 REV G

Excessive pitting and corrosion, requires CLAD weld

STBD AFT Deck Box

12” 47B MLB 150-090 REV E

Excessive pitting and corrosion, requires CLAD weld

CENTER AFT

Deck Box

12” 47B MLB 150-090 REV E

Excessive pitting and corrosion, requires CLAD weld

PORT AFT DECK

Box

12” 47B MLB 150-090 REV E

Excessive pitting and corrosion, requires CLAD weld

Under Compass on Open Bridge

6” 47B MLB 150-030 REV F

Excessive pitting and corrosion, requires CLAD weld

Survivor Compartment Bilge

36”

47B MLB 110-600 REV H

Excessive pitting and corrosion, requires CLAD weld

FWD Peak 12” 47B MLB 171-010 REV T

Excessive pitting and corrosion, requires CLAD weld

Storage Compartment

12” 47B MLB 110-600 REV H

Excessive pitting and corrosion, requires CLAD weld

Auxiliary Space 36” 47B MLB 110-207, REV E

47B MLB 110-209, REV C

47B MLB 110-306, REV

H

47B MLB 201-010, REV L

Excessive pitting and corrosion, requires CLAD weld

Lazarette Bilge 12” 47B MLB 110-207, REV E

47B MLB 110-209, REV C

47B MLB 110-306, REV

H

47B MLB 201-010, REV L

Excessive pitting and corrosion, requires CLAD

Survivors Compartment

24” 47B MLB 110-600 REV H

13 (Rev-0) weld below PORT side windows

Excessive pitting and corrosion, requires Crop and renew CLAD weld

Engine Room Centerline in Bilge

36” 47B MLB 201-010 REV L

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing FL-85-002, Rev -, GFE Boat Hot Work Diagrams

Coast Guard Drawing 47B MLB 612-010, Rev J, 47 FT Motor Lifeboat Handrails

Coast Guard Drawing 47B MLB 110-600, Rev H, 47 FT Motor Lifeboat Survivors Compartment Flat

Coast Guard Drawing 47B MLB 150-030, Rev F, 47 FT Motor Lifeboat Open Bridge Deck

Coast Guard Drawing 47B MLB 150-060, Rev G, 47 FT Motor Lifeboat FWD Deck Locker

Coast Guard Drawing 47B MLB 150-090, Rev E, 47 FT Motor Lifeboat Aft Buoyancy Box

Coast Guard Drawing 47B MLB 581-010, Rev E, 47 FT Motor Lifeboat Anchor Stowage Arrangement

Coast Guard Drawing 47B MLB 201-010, Rev L, 47 FT Motor Lifeboat Machinery Arrangement

Coast Guard Drawing 47B MLB 171-010, Rev T, 47 FT Motor Lifeboat Mast

Coast Guard Drawing 47B MLB 110-207, Rev E, Transverse BHD FR 8

Coast Guard Drawing 47B MLB 110-209, Rev C, Transverse BHD FR 10

Coast Guard Drawing 47B MLB 110-306, Rev H, Web Frame 9

COAST GUARD PUBLICATIONS

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

None

14 (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, 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).

3.2 Requirement. The Contractor shall provide general welding, including but not limited to, fabrication, brazing, inspection, plate renewal, crack repair, overlay, and associated processes on Coast Guard vessels and equipment in accordance with Coast Guard Drawing FL-85-002 and SFLC Std Spec 0740.

3.3 Bidding. The Contractor shall ensure for bidding purposes this specification will be broke down by the following:

One linear foot of welding/brazing.

Four square inches of clad/overlay welding.

One hour of fabrication.

One square foot of plate renewal.

TABLE 1 – PLATE TYPE

STEEL PLATE ALUMINUM PLATE

THICKNESS WEIGHT

PER SQFT.

TYPE/GRADE THICKNESS WEIGHT

PER SQFT

TYPE/ALLOY

3/16 (.1875) 7.66 lb 1/4 (.250) 10.21 lb 1/4 (.250) 3.53 lb 5/16 (.3125) 12.76 lb 5/16 (.3125) 4.41 lb 3/8 (.375) 15.31 lb 3/8 (.375) 5.29 lb 1/2 (.500) 20.42 lb 1/2 (.500) 7.06 lb

3.4 Touch-up preservation, general. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces, as applicable, to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, paragraph 3.1.13 (Touch-ups and minor coating repairs.)

This section is not applicable to this work item.

15 (Rev-0)

11000_AKP_1121_47MLB

WORK ITEM 2: Ultrasonic Testing (U/W Body) Shots, Perform

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to take 100 Ultrasonic Testing (UT) shots.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 47B-MLB 110-201, Rev D, Transom

Coast Guard Drawing 47B-MLB 110-500, Rev J, Shell Plating

COAST GUARD PUBLICATIONS

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

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General.

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

3.3 Reporting

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, paragraph 3.3.3 (Vessel component, space, and equipment protection).

16 (Rev-0)

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

3.2 UT measurement. The Contractor must perform a total of 100 UT measurements using Coast Guard Drawings 47B-MLB 110-201 and 47B-MLB 110-500 as a reference and in accordance with SFLC Std Spec 0000 and SFLC Std Spec 0740.

3.2.1 Standard measurements. The Contractor must take 70 standard thickness measurements for the designated locations numbered 1 thru 70 between the boot top and keel, (Refer to Figure 1 and Figure 2).

3.2.1.1 The Contractor must record each measured metal thickness in the Standard Underwater (U/W) Body Test Results Report (Refer to Table 1).

3.2.1.2 The Contractor must calculate each percent loss.

3.2.1.3 The Contractor must record each percent loss in the Standard U/W Body Test Results Report.

3.2.2 Additional measurements. The Contractor must take 30 additional thickness measurements at locations designated by the Coast Guard inspector and numbered 1A through 30A between the boot top and keel, (Refer to Figure 1 and Figure 2).

3.2.2.1 The Contractor must record each measured metal thickness in the Additional U/W Body Test Results Report (Refer to Table 2).

3.2.2.2 The Contractor must calculate each percent loss.

3.2.2.3 The Contractor must record each percent loss in the Additional U/W Body Test Results Report.

3.2.3 Minimum thickness. The Contractor must record the minimum thickness found for each designated hull section. (A, B, and C) in the Underwater Hull Body Minimum Thickness Test Results Report, (Refer to Table 3).

3.3 Reporting. The Contractor must submit a CIR to include a marked up drawing of Figure 1 and 2 and the completed tables.

4.1 Coast Guard Personnel. The Coast Guard inspector will…

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