52312_DD_FY18_Rev-3.pdf

USCG 52312 (MLB 52)

SPECIFICATION FOR DRYDOCK REPAIRS

FY2018

Developed By: Joseph D. Barratt

(Rev-3, 09 February 2018)

USCG 52312 (MLB-52) DRYDOCK AVAILABILITY FY2018

ii (Rev-2)

TABLE OF CONTENTS

Revisions Record ......................................................................................................................................... iii Consolidated List of References ................................................................................................................... iv Consolidated List of Government-furnished Property .............................................................................. viii Consolidated List of Critical Inspection Items ............................................................................................. ix General Requirements WORK ITEM 1: General Welding, Provide WORK ITEM 2: Hull Plating (Side Scan), Ultrasonic Testing WORK ITEM 3: Hull Plating (U/W Body), Inspect WORK ITEM 4: Deta-Couple Installation WORK ITEM 5: Accessible Spaces, Inspect WORK ITEM 6: Tanks (MP Fuel Service), Clean and Inspect WORK ITEM 7: Tanks Potable Water, Clean and Inspect WORK ITEM 8: Watertight Closure, Renew WORK ITEM 9: Main Diesel Engine & Generator Set, Remove and Install WORK ITEM 10: Propulsion Shaft, Remove, Inspect, and Install WORK ITEM 11: Water Lubricated Bearings, Renew WORK ITEM 12: Propellers, Remove, Inspect, and Reinstall WORK ITEM 13: Hydraulic Steering Oil System, Clean & Inspect WORK ITEM 14: Sea Valves, Renew WORK ITEM 15: Sea Strainers - Duplex (All Sizes), Overhaul WORK ITEM 16: Sea Strainers - Simplex (All Sizes), Clean and Inspect WORK ITEM 17: Fuel Root Valves, Renew WORK ITEM 18: Diesel Tank(s), Refuel WORK ITEM 19: Fire Pump, Overhaul WORK ITEM 20: Rudder Assembly; Remove, Inspect And Reinstall WORK ITEM 21: Rudder Stock Bearing, Renew WORK ITEM 22: Non Machinery Bilge, Internal Surfaces, Preserve WORK ITEM 23: Decks – Exterior, Preserve (“Non-Skid Broadcast Grit” System) WORK ITEM 24: U/W Body, Preserve (100%) WORK ITEM 25: Hull Plating Freeboard, Preserve “100%” WORK ITEM 26: Superstructure, Preserve “100%” WORK ITEM 27: Bilge, Engine Room, Internal surfaces, Preserve WORK ITEM 28: Cathodic Protection / Zincs, Renew WORK ITEM 29: Marine Chemist Services, Provide WORK ITEM 30: Drydock WORK ITEM 31: Temporary Services, Provide WORK ITEM 32: Sea Trial Performance, Support, Provide WORK ITEM 33: Mast Inspect and Repair WORK ITEM 34: Ship’s Service Diesel Generator, Replace (52312) iii (Rev-3)

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

1/11/18 1 11 Revised title

1/11/18 1 14 Revised title

02/05/18 2 34 Updated Consolidated List of References

2/9/18 3 3 Removed “Note” from para 3.2.7

2/9/18 3 24 Revised para 3.1.2

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-3)

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 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 – as follows:

MIL/DOD/CID Specifications: http://www.assistdocs.com/search/search_basic.cfm

Commandant Instruction Manuals: http://www.uscg.mil/directives/default.asp

Public Laws, Code of Federal Regulations, U.S Codes, and other Federal Government laws::

www.gpoaccess.gov

The Government is aware of the following internet web links where contractors may procure commercial specifications:

American Welding Society (AWS): http://www.awspubs.com/index.php

ANSI, ASTM, IEEEE, NFPA, ASME, SAE Standards: http://www.techstreet.com/

NFPA: http://www.nfpa.org

SSPC Standards and pictorial guides: http://shopping.netsuite.com/sspcmarketplace

COAST GUARD DRAWINGS

Coast Guard Drawing 52 MLBS 103-5, Rev B, Profiles & General Arrg (52314-15)

Coast Guard Drawing 52 MLB 180-001, Rev -, New Aux Generator Foundations

Coast Guard Drawing 52 MLB 505-001, Rev -, Piping Mods, Kohler SSDG Install

Coast Guard Drawing 52 MLBS 324-001, Rev B, Ship Service Switchboard

Coast Guard Drawing 52 MLBS 0400-001, Rev A, Arrangement and Details of Keel Blocks (52312-

52315)

Coast Guard Drawing 52 MLBS 500-2, Rev A , Lines & Offsets (52312-52315)

Coast Guard Drawing 52 MLBS 600-1, Rev A, Launching Cradle (52312-52315)

Coast Guard Drawing 52 MLBS 0700-001, Rev B, Docking Plan (52312-52315)

Coast Guard Drawing 52 MLBS 1103-1, Rev G, Shell Plat, Long Fram & Webs (52312-52315)

Coast Guard Drawing 52-MLBS 1103-2, Rev G; Keel & Skeg (52312-52315)

Coast Guard Drawing 52-MLBS 1103-4, Rev G; Skeg Cutout (52312-52315)

Coast Guard Drawing 52 MLBS 1103-5, Rev -, O.T. BHD 16R & Stiffener Renewal

Coast Guard Drawing 52 MLBS 1105-1, Rev D, Transv & Long W.T. & O.T. BHDS (52312-52315)

Coast Guard Drawing 52 MLBS 1105-2, Rev D, Joiner Bulkheads (52312-52315)

Coast Guard Drawing 52 MLBS 1106-1, Rev F, Mn Dk Berth Flat Fram & Plat (52312-52315)

Coast Guard Drawing 52 MLBS 1106-4, Rev A, Engine Room Floor Plating (52314-52315)

Coast Guard Drawing 52 MLBS 1107-4, Rev F, Superstructure & Pilothouse (52312-52313) http://www.assistdocs.com/search/search_basic.cfm http://www.uscg.mil/directives/default.asp http://www.gpoaccess.gov/ http://www.awspubs.com/index.php http://www.techstreet.com/ http://www.nfpa.org/ http://shopping.netsuite.com/sspcmarketplace v (Rev-3)

Coast Guard Drawing 52 MLBS 1112-1, Rev E, MN Engine Foundation (52312-52315)

Coast Guard Drawing 52 MLBS 1202-1, Rev E, Towing Rails & Life Rails (52312-52315)

Coast Guard Drawing 52 MLBS 1602-1, Rev B, Door Manhole Scuttle and Hatch List (52312-52313)

Coast Guard Drawing 52 MLBS 1602-2, Rev A, Joiner Doors and Details (52312-52313)

Coast Guard Drawing 52 MLBS 1702-1, Rev B, Mast Assy & Naviagaion

Coast Guard Drawing 52 MLBS 2000-9 Rev -, Hydraulic Steering System

Coast Guard Drawing 52 MLBS 2200-1, Rev K, Rudder and Steering Gear Arrangement (52312-52313)

Coast Guard Drawing 52 MLBS 2200-007, Rev -, Twin Rudder Instl A&D

Coast Guard Drawing 52 MLBS 2200-008, Rev -, Steering Gear Assy (52312-52315)

Coast Guard Drawing 52 MLBS 2908-1, Rev A, Cmpt Tst & Per Air Tst Ftng Sched (52312-52313)

Coast Guard Drawing 52 MLBS 3301-1, Rev B, Mess Berth & Passenger Space (52312-52315)

Coast Guard Drawing 52 MLBS 3801-1, Rev-, Ventilation Diagram (52312-52315)

Coast Guard Drawing 52 MLBS 3801-2, Rev D, Ventilation (52312-52315)

Coast Guard Drawing 52 MLBS 3901-1, Rev C, Insulation (52312-52313)

Coast Guard Drawing 52 MLBS 4000-1, Rev I, Machinery Arrangement (52312-52313)

Coast Guard Drawing 52 MLBS 4000-2, Rev I, Machinery Arrangement (52314-52315)

Coast Guard Drawing 52 MLBS 4103-4, Rev A, Engine Cooling S.W. System (52312-52315)

Coast Guard Drawing 52-MLBS 4301-1, Rev E, Shafting, Bearings & Stern Tube (52312-52315)

Coast Guard Drawing 52 MLBS 4700-5, Rev A, Fire Bilge & Salvage Pump (Right Hand)

Coast Guard Drawing 52 MLBS 4700-6, Rev A, Fire Bilge & Salvage Pump (Left Hand)

Coast Guard Drawing 52 MLBS 4801-1, Rev C, SW Bilge Fuel Oil & Heating System Piping Diagram

Coast Guard Drawing 52 MLBS 4801-2, Rev A, Tank Vents Fills & Sounds (52312-52315)

Coast Guard Drawing 52 MLBS 4803-1, Rev D, Fire Main & Salvage System (52312-52315)

Coast Guard Drawing 52-MLBS 4808-1, Rev C, Bilge Drainage System (52312-52315)

Coast Guard Drawing 52 MLBS 4823-1, Rev B, Seachest & Details (52312-52315)

Coast Guard Drawing 52 MLBS 4823-2, Rev E, Fathometer Seachest & DETS (52312-52315)

Coast Guard Drawing 52 MLBS 5501-1, Rev C, Fuel Oil System (52312-52315)

Coast Guard Drawing 52 MLBS 8201-001, Rev -, Forward and Aft Lifting Sling

Coast Guard Drawing 52 MLBS 8201-002, Rev A, Arrangement of Lifting Sling

Coast Guard Drawing 52 MLBS 8201-003, Rev A, Arrangement and Details of Boat Cradle

COAST GUARD PUBLICATIONS

Coast Guard Technical Publication (TP) 52 MLB-1684 Boat Information Book

Coast Guard Technical Publication (TP) 52 MLB-1685 Manufacturer's Instruction Book - SWBS

Group(S) 233 – 625

Coast Guard Technical publication (TP) 4934 August 2009, Small Boat Diagrams for Hotwork SWBS

Group 74, Section A

Commandant Instruction Manual COMDTINST M9000.6 (series), Naval Engineering Manual, March

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2012, General

Requirements vi (Rev-3)

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2012, Welding and

Allied Processes

Surface Forces Logistics Center Standard Specification 6310, (SFLC Std Spec 6310) 2012 Requirements for Preservation of Ship Structures

Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2012, Temporary

Services

Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2012, Drydocking

Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2012, Auxiliary

Machine Systems

OTHER REFERENCES

ASTM International (ASTM) 6966, 2008, Standard Practice for Collection of Settled Dust Samples Using

Wipe Sampling Methods for Subsequent Determination of Metals

ASTM International (ASTM) D1330, 2004, Standard Specification for Rubber Sheet Gaskets

ASTM International (ASTM) D4138, 2007, Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means

ASTM International (ASTM) D5363, 2008; Standard Specification for Anaerobic Single-Component

Adhesives (An)

ASTM International (ASTM) E797, 2005, Standard Practice for Measuring Thickness by Manual

Ultrasonic Pulse-Echo Contact Method

Code of Federal Regulations (CFR) Title 29, Part 1910, Jul 2008, Occupational Safety and Health

Standards

Code of Federal Regulations (CFR) Title 33 CFR, Jul 2010, Navigation and Navigable Waters

Code of Federal Regulations (CFR) Title 40, Chapter I 2008, Environmental Protection Agency

Code of Federal Regulations (CFR) Title 49, Chapter I, 2008, Pipeline and Hazardous Materials Safety

Administration, Department Of Transportation

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

Petrolatum

International Standard For Organization (ISO) 484/2, 1981, Shipbuilding - Ship Screw Propeller -

Manufacturing tolerances - Part 2: Propellers of Diameter Between 0.80 and 2.50m, Inclusive

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-PRF-16173, Sep 2006, Corrosion Prevention Compound, Solvent Cut-Back, Cold-Application

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

NAVSEA Technical Manual (NSTM), (September 1998) Chapter 078V2-Gaskets and Packing

NAVSEA Technical Manual (NSTM), (Jan 2008) Chapter 505-Piping Systems

NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), May 1997, Requirements for

Fabrication, Welding, and Inspection of Submarine Structure

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2007, Cork and

Rubber Composition Sheet; For Aromatic Fuel and Oil Resistant Gaskets

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) G-6032, 1999, Grease, Plug Valve, Gasoline and Oil Resistant, NATO Code Number G-363, Metric vii (Rev-3)

Society of Automotive Engineers (SAE) Standard J1475, 2009, Hydraulic Hose Fittings for Marine

Applications

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2004, Power Tool Cleaning to Bare Metal

The Society for Protective Coatings (SSPC), June 1996, Paint Application Specification No. 2 (PA-2), Measurement of Dry Coating Thickness with Magnetic Gages

The Society for Protective Coatings SSPC-SP 1, -; Solvent Cleaning

The Society for Protective Coatings SSPC-SP 2, -; Hand Tool Cleaning viii (Rev-3)

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 Filter Element PN: 1037 2 ea

13 N Filter Element PN: 2218 2 ea.

25/26 Interlux Brightside

“Blue-Glo” White paint

10 gal

*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

9 (Rev-3)

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

10 Propulsion Shaft, Remove, Inspect, and Install

20 Rudder Assembly, remove, Inspect and Install

1 (Rev-3)

00000_1216_FLT

REC_00000_FLT_Boats @ Commercial Facility (0914)

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), 2014, General

Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and

Allied Processes

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General. The Contractor shall 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 (Rev-3)

3.2 Contractor-provided fire watch personnel. The Contractor shall provide fire watch personnel and equipment.

3.3 Preservation requirements. The Contractor shall 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 shall perform all welding and allied processes, and NDI in accordance with SFLC Std Spec 0740.

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

3.5.3 Regulatory notifications. The Contractor shall 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, 3 (Rev-3) and if work is being performed at a USCG Facility, the local Facility Engineer or Engineering Officer. The

Contractor shall 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 shall 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 shall appoint in writing an Environmental Manager for the project, and shall be responsible for coordinating Contractor compliance with Federal, State, local, and station environmental requirements. The Environmental Manager shall 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 shall 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.

3.6.1 Coast Guard turn-over preparation. The Contractor shall be aware that, upon arrival, after haul out, and prior to departing the Contractor’s facility, the Coast Guard crew shall 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.

3.7 SFLC standard specification approved changes. The Contractor shall be aware that the following are approved changes to published SFLC 2014 Edition Standard Specifications and supersede published content:

3.7.1 SFLC Standard Specification 6310, Requirements for Preservation of Ship Structures.

3.7.1.1 SFLC Std Spec 6310, page C-2, Section C1.5.1. Change from "lead-containing paint as 0.06%" to "lead-containing paint as 0.009%".

3.7.1.2 SFLC Std Spec 6310, page 4, Section 2 References, Group- Other References. Add “The Society for

Protective Coatings (SSPC) Paint Application Guide No. 11, 2008, Protecting Edges, Crevices, and Irregular Steel

Surfaces by Stripe Coating”

3.7.1.3 SFLC Std Spec 6310, page Appendix C-6, add "Hempel Hempadur Multi-Strength GF 35870" with FED-

STD-595 color "Black/Red" under ANTI-ABRASION COATING, ICE BREAKING CAPABLE VESSELS, <235’.

4 (Rev-3)

3.7.1.4 Standard Spec 6310, page Appendix A-7, Under "UNDERWATER (U/W) BODY/BOOT-TOP", Add line

Column 1: Option for U/W Body and Boot-Top, Steel Hulls, <154', in Salt Water. Column 2: Blank. Column 3:

SSPC-SP 10/NACE NO. 2 using grit conforming to MIL-A-22262 / (1.5-3.5) - or - SSPC-SP WJ-2(M)/NACE

WJ-2(M). Columns 4 and 5: Same as "U/W Body and Boot-Top, Aluminum Hull, High Speed (>30 knots)".

3.7.2 SFLC Standard Specification 0000 General Requirements.

3.7.2.1 SFLC Std Spec 0000, paragraph 1.3 ‘Acronyms and term definitions’, page 5, “PCL (Paint Containing

Lead)” definition replaced by, “Any paint or coating containing lead in excess of 0.009 percent by weight (1.0 mg/cm2 or 90 ppm). Lead Based Paint (LBP) is an interchangeable term with PCL.”

3.7.2.2 Change Std Spec 0000 paragraph 3.2.4.2.3(QP 1 inspector or tech rep duties) bullet, “Determine when applied coats have sufficiently cured for overcoating or for system service resumption (see paragraph

3.1.19 of SFLC Std Spec 6310 (Critical drying time requirements)).” to “Determine when applied coats have sufficiently cured for overcoating or for system service resumption (see paragraph 3.1.17 of SFLC

Std Spec 6310 (Critical drying time requirements)).”

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.

5 (Rev-3)

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 mfgr.

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 mfgr.

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

6 (Rev-3)

QA-2 - QUALITY ASSURANCE INSPECTION FORM

(ENVIRONMENTAL READINGS)

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 |

7 (Rev-3)

QA-3a - QUALITY ASSURANCE INSPECTION FORM

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

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:

8 (Rev-3)

QA-3b - QUALITY ASSURANCE INSPECTION FORM

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

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).

9 (Rev-3)

QA-4 - QUALITY ASSURANCE INSPECTION FORM

(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)

SOLUBLE SALT CONDUCTIVITY Measurements IAW SSPC-GUIDE 15.

DATE TEST LOCATIONS CONDUCTIVITY (MICROSIEMENS/CM)

10 (Rev-3)

QA-5 - QUALITY ASSURANCE DATA FORM

(COATING THICKNESS)

(Use one sheet for each sequence)

COATING MFG PRODUCT NAME

BATCH

INDUCTION

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

11 (Rev-3)

07400_AKP_1114_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.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 52 MLBS 1106-4, Rev A, Engine Room Floor Plating (52314-52315)

Coast Guard Drawing 52 MLBS 3801-1, Rev-, Ventilation Diagram (52312-52315)

Coast Guard Drawing 52 MLBS 3801-2, Rev D, Ventilation (52312-52315)

Coast Guard Drawing 52 MLBS 4801-2, Rev A, Tank Vents Fills & Sounds (52312-52315)

Coast Guard Technical Publication (TP) 4934, SWBS 074, Sep 2014, Small Boat Diagrams for

Hotwork

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and Allied Processes

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

12 (Rev-3)

None.

3.1.2 Tech Rep.

Not applicable.

3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

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 TP 4934 and SFLC Std Spec 0740.

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

Crop & renew the stbd aft main deck steel 3 ½” gooseneck vent pipe.

Crop existing open bridge-to-cabin QAWTD mounting hardware and renew with stainless steel components.

Crop & renew port #5 main deck stanchion

Crop existing rope guards at base of mooring bitts and renew with GFE guards

Install eight (08) D-rings in the vicinity of the open steering station; at locations designated by the

COR

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.)

4. NOTES

This section is not applicable to this work item.

13 (Rev-3)

11000_JES_1216_52MLB

WORK ITEM 2: 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 and freeboard plating by ultrasonic side scan method.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

52-MLBS_1103_1, Rev G; Shell Plat, Long Fram & Webs (52312-52315)

52-MLBS_1103_2, Rev G; Keel & Skeg (52312-52315)

52-MLBS_1103_4, Rev G; Skeg Cutout (52312-52315)

52-MLBS_500_2, Rev A; Lines & Offsets (52312-52315)

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and Allied Processes

OTHER REFERENCES

ASTM International (ASTM) E797, 2005, Standard Practice for Measuring Thickness by Manual

Ultrasonic Pulse-Echo Contact Method

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.

14 (Rev-3)

Not applicable.

3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

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.

15 (Rev-3)

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.

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 shall be set to 0.5” x 0.5”

Plates where scan data indicating wastage greater than or equal to 25% nominal plate thickness shall 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 shall be highlighted in “YELLOW”.

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

Hand held UT readings shall be taken to verify bad metal areas found with the side scan equipment. All readings shall 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 shall be scanned with a hand-held meter at a resolution of 2” x 2”. Any repair areas found during the hand scan shall 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.

16 (Rev-3)

Mosaic of scanned data overlaid on Coast Guard Drawing 55 ANB 1101-001.

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 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.

17 (Rev-3)

WORK ITEM 3: Hull Plating (U/W Body), Inspect

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.

Coast Guard Drawing 52 MLBS 0103-5, Rev B, Profiles and General Arrangements

Coast Guard Drawing 52 MLBS 0700-1, Rev B, Docking Plan (52312-52315)

Coast Guard Drawing 52 MLBS 4823-1, Rev B, Seachest & Details (52312-52315)

Coast Guard Drawing 52 MLBS 4823-2, Rev E, Fathometer Sea chest & Details (52312-52315)

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, 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

18 (Rev-3)

Not applicable.

3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

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

3.2 Inspection. The Contractor shall 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 shall 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 shall 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 shall 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 shall inspect all sea chests, 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 Rudders. The Contractor shall check general condition, condition around the drain plugs, and check for pitting, if any, on the leading and trailing edges.

3.2.4 Propeller and shaft associated components. The Contractor shall inspect the condition of propellers for signs of corrosion, pitting, erosion, fouling, cracks, dings, and nicks by side and blade; inspect

19 (Rev-3) 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.

3.2.5 Transducers. The Contractor shall 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.

3.2.6 Zinc anodes.

3.2.6.1 The Contractor shall remove all marine growth and oxide coating from all hull, rudder, shaft strut, sea chest, 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 shall visually inspect all zinc anodes; check the soundness of mounting strap and stud welds, missing fasteners, and percentage of remaining material.

3.2.7 Coating system inspections. The Contractor shall 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.

3.2.7.1 Visual. The COR will 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. 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.

20 (Rev-3)

11001_RDW_1114_47MLB

WORK ITEM 4: Deta-Couple Installation

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to remove current huck bolt securing system for the superstructure and install a Deta-Couple transition joint for securing the superstructure to the deck.

1.2 Government-furnished property.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 52 MLBS 1107-4, Rev F, Superstructure & Pilothouse (52312-52313)

COAST GUARD PUBLICATIONS

Coast Guard Technical Publication (TP) 4934, SWBS 074, Dec 2014, Small Boat Diagrams for

Hotwork

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and Allied Processes

OTHER REFERENCES

American National Standards Institute (ANSI)/American Welding Society (AWS) D3.7, 1990, Guide for Aluminum Welding

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None

Not Applicable

21 (Rev-3)

3.1.3 Protective measures - general. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, the

Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec

0000, paragraph 3.3.5 (Interferences

3.2 Government-furnished property. The Contractor shall be aware that the government reserves the right to provide materials, property, and items when a benefit to the US Coast Guard can be obtained.

3.3 Huck bolt removal.. Crop out huck bolt coupling around the superstructure starting at Frame 13 and ending at Frame 32 port and starboard sides, running athwart ships at…