BRISTOL BAY _WTGB_140__DD_SCP_12R0.pdf

USCGC BRISTOL BAY (WTGB 102)

140 FOOT ICEBREAKING TUG

USCG 120 BARGE (12002)

SPECIFICATION FOR DRYDOCK REPAIRS

Developed By: Stephen C Pitre2

(Rev-0, 27 February 2012)

USCGC BRISTOL BAY (WTGB-140) DRYDOCK AVAILABILITY 2012

ii (Rev-0)

TABLE OF CONTENTS

Revisions Record ....................................................................................................................................... iv Consolidated List of References ................................................................................................................. v Consolidated List of Government-furnished Property ............................................................................... ix Consolidated List of Critical Inspection Items ........................................................................................... x Principal Characteristics ............................................................................................................................ xi Principal Characteristics - Barge ............................................................................................................. xiii General Requirements WORK ITEM 1: Hull Plating ( U/W Body ) , Inspect WORK ITEM 2: Hull Plating ( U/W Body ) , Inspect - Barge WORK ITEM 3: Hull Plating (U/W Body), Ultrasonic Testing WORK ITEM 4: Hull Plating (U/W Body), Ultrasonic Testing - Barge WORK ITEM 5: Appendages (U/W), Leak Test WORK ITEM 6: Appendages (U/W), Leak Test - Barge WORK ITEM 7: Propulsion Shaft Bearings (External) , Check Clearances WORK ITEM 8: Fathometer Transducer , Renew WORK ITEM 9: Fathometer Transducer , Renew - Barge WORK ITEM 10: U/W Body, Preserve “100%” - Tender WORK ITEM 11: U/W Body, Preserve “100%” - Barge WORK ITEM 12: Drydocking WORK ITEM 13: Drydocking - Barge WORK ITEM 14: Temporary Services, Provide WORK ITEM 15: Rudder Stock Bearings, Check Clearances WORK ITEM 16: Sea Valves and Waster Pieces , Overhaul o r Renew WORK ITEM 17: Hull Plating Freeboard, Preserve - “ 100% ” - Tender WORK ITEM 18: Hull Plating Freeboard, Preserve - “ 100% ” - Barge WORK ITEM 19: Sea Strainers - Duplex (All Sizes), Overhaul - Barge WORK ITEM 20: Rudder Assembly, Remove, Inspect and Reinstall WORK ITEM 21: Sewage Piping , Clean and Flush WORK ITEM 22: Decks - Exterior( Barge Buoy ), Preserve WORK ITEM 23: Propulsion Shafting ; Remove, Inspect, and Reinstall WORK ITEM 24: Shaft Seal Assembly, Overhaul WORK ITEM 25: Pad Eyes , Inspect and Test - Barge WORK ITEM 26: Voids (Non-Accessible), Leak Test WORK ITEM 27: Tanks (Potable Water), Clean and Inspect WORK ITEM 28: Sea Strainers - Simplex (All Sizes), Clean and Inspect WORK ITEM 29: Tanks (Potable Water), Preserve “ 100% ” - Barge WORK ITEM 30: Tanks ( Potable Water ), Preserve “ Partial ” - Barge WORK ITEM 31: Bow Structure Modification WORK ITEM 32: Laundry Room Deck Repair WORK ITEM 33: Fender, Weld Repair - Barge WORK ITEM 34: Fuel Oil Tanks, Clean, Inspect and Repair- Barge iii (Rev-0)

WORK ITEM 35: Galley – Under Sink Deck Surfaces , Inspect and Preserve WORK ITEM 36: Potable Water Tank Repair -Barge WORK ITEM 37: Barge Anchor Pocket Repair WORK ITEM 38: Ventilation Fan and Motor , Overhaul WORK ITEM 39: Thruster Unit (General) , Inspect and Overhaul -Barge WORK ITEM 40: Barge Fuel Oil Valves Renew WORK ITEM 41: Watertight Doors (External), Renew - Barge WORK ITEM 42: Barge Keel Cooler , Clean , Inspect and Hydro WORK ITEM 43: Deck Covering (Wet), Seal WORK ITEM 44: Fuel Manifold , Overhaul WORK ITEM 45: Bilge (Non-Machinery Space), Preserve -Barge WORK ITEM 46: Towing Bitts, Chocks, and Fairleads ; Inspect and Test WORK ITEM 47: Propeller , Remove, Inspect, and Reinstall WORK ITEM 48: Traction Winches , Overhaul - Barge iv (Rev-0)

Revisions Record This page is used to record specification revisions, which may have occurred subsequent to a Revision 0 (Rev-0) package. Information listed is intended to provide contractors and field unit personnel a means to ensure all the current specification revision pages are present when reviewing or utilizing this specification package.

DATE REV# WORK

ITEM#

CHANGES MADE

NOTE : All work item and paragraph numbers listed above for a given revision correspond to same numbers in the previous revision. This revised specification is self-contained with all of the above listed changes incorporated.

v (Rev-0)

Consolidated List of References

The below-listed documents form a part of this specification to the extent specified herein. Approval/publication dates or revision dates/numbers are also identified, to ensure that same document versions are used at 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 101 WTGB 111-001, Rev R, Sheel Expansion Coast Guard Drawing 101 WTGB 111-001, Rev R, Shell Expansion Coast Guard Drawing 101 WTGB 114-001, Rev D, Rudder Guard Coast Guard Drawing 101 WTGB 114-002, Rev L, Bubbler Structure Coast Guard Drawing 101 WTGB 131-001, Rev T, Main Deck Plating and Framing Coast Guard Drawing 101 WTGB 243-002, Rev -, Propulsion Shafting Arrangement Coast Guard Drawing 101 WTGB 243-003, Rev -, Stern Tube Seal (TYPE FSE) Coast Guard Drawing 101 WTGB 245-001, Rev C, Propeller and Offsets Coast Guard Drawing 101 WTGB 245-002, Rev B, Aluminum Pattern One Single Blade Coast Guard Drawing 101 WTGB 256-001, Rev K, Sea Water Circulating Cooling System Diagram Coast Guard Drawing 101 WTGB 514-002, Rev L, Fuel Oil Transfer System, A&D Coast Guard Drawing 101 WTGB 514-002, Rev P, Fuel Oil Service System, A&D Coast Guard Drawing 101 WTGB 521-001, Rev H, Firemain, System Diagram Coast Guard Drawing 101 WTGB 521-002, Rev R, Firemain System, Arrangements and Details Coast Guard Drawing 101 WTGB 528-001, Rev L, Sanitary & Deck Drain System Diagram Coast Guard Drawing 101 WTGB 528-003, Rev C, Grey Water Mods & Tank Transitions Coast Guard Drawing 101 WTGB 529-001, Rev K, Bilge and Ballast, System Diagram Coast Guard Drawing 101 WTGB 529-002, Rev P, Bilge and Ballast, Arrangements and Details Coast Guard Drawing 101 WTGB 541-001, Rev J, Fuel Oil System Diagram Coast Guard Drawing 101 WTGB 562-001, Rev N, Rudder Coast Guard Drawing 101 WTGB 562-002, Rev-R, Rudder Stock Bearing Details vi (Rev-0)

Coast Guard Drawing 101 WTGB 651-001, Rev L, Galley/Scullery, Cold and Dry Stores Arrangement and Details

Coast Guard Drawing 101 WTGB 801-003, Rev C, Docking Plan Coast Guard Drawing 101 WTGB 801-006, Rev K, Outboard Profile Coast Guard Drawing 101 WTGB 801-008, Rev N, Booklets of General Plans Coast Guard Drawing 101 WTGB-801-003, Rev C, Docking Plan Coast Guard Drawing 101-WTGB 111-4, Rev A, Mod Bow Struct for Pushing 120' X 50' X 9' ATN Barge

(102, 103) Coast Guard Drawing 101-WTGB 34-1, Rev K, Deck Covering Sched Coast Guard Drawing 101-WTGB 514-2, Rev X, Vent & Air Cond, A&D Coast Guard Drawing 101-WTGB 582-1, Rev J, Bitts, Chocks & Cleats Coast Guard Drawing 101-WTGB 101-1, Rev G, Book of General Notes and Details Coast Guard Drawing 101-WTGB 117-3, Rev P, Transv Frames Coast Guard Drawing 101-WTGB 141-1, Rev K, First Platf Pl & FR Coast Guard Drawing 101-WTGB 655-1, Rev -L Laundry & Genl St a&D Coast Guard Drawing 101-WTGB 801-8, Rev N, Booklet of Genl Plans Coast Guard Drawing 120 Barge 568-001, Rev -A, Bow Thruster Arrangement Coast Guard Drawing 120 Barge 167-001, Rev C , Access & Closures.

Coast Guard Drawing 120 Barge 536-001, Rev d , Auxiliary Water Cooling System.

Coast Guard Drawing 120 BARGE 536-001, Rev D, Jun 1990, Auxiliary Fresh Water Cooling System Coast Guard Drawing 120 BARGE 601-001, Rev C, General Arrangement and Profile Coast Guard Drawing 120 Barge 611-001, List of Padeyes, Rev-C Coast Guard Drawing 120 BARGE 801-003, Rev -, Curves of Form Coast Guard Drawing 120 Barge, 601-001, Rev C, General Arrangement and Profile Coast Guard Drawing 120 BARGE-801-006, Rev B, 120FT Aids to Navigation (ATON) Servicing Barge

Docking Plan Coast Guard Drawing 120 CGB 111-001, Rev 3, Hull Details Bottom & Main Deck Plating & Framing &

Det's Coast Guard Drawing 120-BARGE 111-2, Rev B, Side, Bulwark Plating & Framing Coast Guard Drawing 120-BARGE 505-1, Rev -, Remote Valve Operators Coast Guard Drawing 120-BARGE 540-1, Rev C, Fuel Oil Service and Transfer System Coast Guard Drawing 120-BARGE 601-1, Rev C, General Arrangement and Profile Coast Guard Drawing 120-BARGE 611-1, Rev C, Hull Fittings Coast Guard Drawing 120-BARGE 631-1, Rev C, Paint and Deck Covering Schedule Coast Guard Drawing 120-BARGE 111-2, Rev B, Side, Bulwark Plating & Framing Coast Guard Drawing 120-BARGE 120-1, Rev B, Longitudinal & Transverse Bulkheads Coast Guard Drawing 120-BARGE 130-1, Rev -, Main & Foc'sle Decks Coast Guard Drawing 120-BARGE 167-1, Rev C, Access & Closures Coast Guard Drawing 120-BARGE 506-1, Rev E, Vents, Overflows & Sounding Tubes Coast Guard Drawing 120-BARGE 581-1, Rev C, Anchor Handling Arrangement Coast Guard Drawing 120-BARGE 601-1, Rev C, General Arrangement and Profile Coast Guard Drawing 120-BARGE 631-1, Rev -, Paint and Deck Covering Schedule Coast Guard Drawing 120-BARGE 635-1, Rev -, Acoustic & Thermal Insulation Coast Guard Drawing 120-BARGE 801-4, Rev A, Tank Capacity Curves Coast Guard Drawing FL 2804-13, Rev G, Visual ID Kit Sched Coast Guard Drawing FL 2804-15, Rev-, Draft Figs Coast Guard Drawing FL 6713-201, Rev B, CRP-V850 Transducer (B-14) Adapter Assembly Coast Guard Fleet Drawing FL 2804-11, Rev D, Visual ID Numeral & Letter for Ships Coast Guard Fleet Drawing FL 2804-12, Rev-, U.S.C.G. Emblem

COAST GUARD PUBLICATIONS

vii (Rev-0)

- Tender Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Colors Manual Coast Guard Technical Publication (TP) 085, Service Manual For Schottel Bow Jet, (Model SBJ 112) Coast Guard Technical Publication (TP) 3386, SWBS 582, Section A , Nov 1998 , Mooring and Towing

Systems Coast Guard Technical Publication 4593C, Technical Manual for Type F.S.E. Seal Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 0000, Jan 2009, General

Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC STD SPEC 0740), Jan 2009, Welding and Allied Processes Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 5000, Jan 2009, Inspect, Repair, And Test Auxiliary Machine Systems Surface Forces Logistics Center Standard Specification 5100 (SFLC Std Spec 5100), Jan 2009, Clean

Shipboard Ventilation Systems Surface Forces Logistics Center Standard Specification 6341 (SFLC Std Spec 6341), Jan 2009, Install New

Interior Deck Coverings Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), Jan 2009, Drydocking Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), Jan 2009, Provide

Temporary Services Surface Forces Logistics Center Standard Specification 8636 (SFLC Std Spec 8636), Jan 2009, Temporary

Hull Accesses WYTM Lineshaft Alignment Analysis, Report No. 7715, 12/27/77

OTHER REFERENCES

A S TM International (ASTM) D5363, 2008; Standard Specification for Anaerobic Single-Component Adhesives (An)

American National Standards Institute/American Water Works Association (ANSI/AWWA) C652, 2002, Disinfection of Water-Storage Facilities

American National Standards Institute/NSF International (ANSI/NSF) 61, 2008, Drinking Water System Components - Health Effects

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

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) D4417, 2003, Standard Test Methods for Field Measurement of Surface Profile of Blast Cleaned Steel 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 ASTM International (ASTM) F992, 2006, Standard Specification for Valve Label Plates Code of Federal Regulations (CFR) Title 33 CFR, 2008, 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-59316, Nov 2003, Abrasive Materials for Blasting Commercial Item Description (CID) A-A-59588, Jul 2005, Rubber Silicone DOD-PRF-24176, Nov 2004, Rev C, Cement, Epoxy, Metal Repair & Hull Smoothing DOD-STD-2187, Aug 1987, Chemical Cleaning of Salt Water Piping Systems viii (Rev-0)

International Standard For Organization (ISO) 484/2, 1981, Shipbuilding - Ship Screw Propeller - Manufacturing Tolerances - Part 2: Propellers of Diameter Between 0.80 and 2.50 m, Inclusive

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, 2008 Edition, Bronze Gate, Globe, Angle and Check Valves

MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning MIL-A-22262, Mar 1996; Abrasive Blasting Media Ship Hull Blast Cleaning MIL-D-16791, Jan 1993, Detergents, General Purpose (Liquid, Nonionic) MIL-D-3134, Sep 1989, Deck Covering Materials MIL-G-24716, Apr 1993, Gaskets, Metallic-Flexible Graphite, Spiral Wound MIL-PRF-16173, Sep 2006, Corrosion Prevention Compound, Solvent Cut-Back, Cold-Application MIL-PRF-24613, Dec 1990, Deck Covering Materials, Interior, Cosmetic Polymeric MIL-PRF-900, Mar 1991, Rubber Gasket Material, 45 Durometer Hardness 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, Jan 2006, Chapter 16, Cofferdams NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), May 1997, Requirements for

Fabrication, Welding, and Inspection of Submarine Structure Raytheon CRP-V850 Color Echosounder, 2nd Edition, Mar 1993, Operation Manual Raytheon V850 Color Echosounder, 2nd Edition, Mar 1993, Operation Manual Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C 6183, 2005, 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 The Society for Protective Coatings (SSPC) Surface Preparation Specification No. 1 (SSPC-SP 1), 2004, Solvent Cleaning 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) Surface Preparation Specification No.3 (SSPC-SP 3), 2004, Power Tool Cleaning The Society for Protective Coatings (SSPC) VIS 1, 2004, Guide and Reference Photographs for Steel

Surfaces Prepared by Dry Abrasive Blast Cleaning 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)/NACE International (NACE) 2004, Joint Surface Preparation

Standard SSPC-SP 10/NACE No.2, Near-White Blast Cleaning The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation Standard

SSPC-SP 12/NACE No.5, 2004, Surface Preparation and Cleaning of Steel & Other Hard Materials by High and Ultrahigh Pressure Water Jetting

The Society for Protective Coatings (SSPC)/NACE-International (NACE) Joint Surface Preparation Standard SSPC-SP 12/NACE No. SSPC-SP 12/NACE No.5, Surface Preparation and Cleaning of Steel & Other Hard Materials by High and Ultrahigh Pressure Water Jetting Prior to Recoating

The Society for Protective Coatings SSPC-SP 10/NACE No.2, Rev -; Near-White Blast 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)

7 Y **Bearing, Sleeve NSN: 3120-01-082-2885; P/N:

14280 1 ea. $95,712.12

8 N ***V850 Color Echo Sounder

NSN: 5845-01-518-7245 1 ea. 1,423.41

9 N ***V850 Color Echo Sounder

NSN: 5845-01-518-7245 2 ea. 1,423.41

12 Y *Transducer Cover Plate

N/A 1 ea. 50.00

13 Y *Transducer Cover Plate

N/A 2 ea. 50.00

20 Y **Rudder NSN: 2040-01-115-3498 1 ea. 32,436.00 20 Y **Rudder stock NSN: 2040-01-115-5203 1 ea. 19,337.00 23 Y **Propeller shaft NSN: 2010-01-089-8123 1 ea. 12,750.00 24 N Seal kit NSN: 2010-01-540-

3305/WLP1419-002

1EA $17,774.53

41 N 26” x 66” Quick- Acting Watertight Door, w/ 9” dia fixed light &cres hdwr, hasp &staple Steel, 10-Dog, RH Swing

MDL: 805-1400050 2 EA $3950.00

41 N 26” x 66” Weathertight Door, RH, Square Corners, Insulated, w/ 18” x 24” Window, Cres HDWR, Hasp, & Staple

1 ea $5900.00

47 Y **Propeller NSN: 2010-01-078-8216 1 ea. 42,812.00 *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 x (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_STD, paragraph

3.2.6.5 (Inspection report particulars)):

Work Item Title 1 Hull Plating ( U/W Body ) , Inspect 2 Hull Plating ( U/W Body ) , Inspect - Barge 3 Hull Plating (U/W Body), Ultrasonic Testing 4 Hull Plating (U/W Body), Ultrasonic Testing - Barge 5 Appendages (U/W), Leak Test 6 Appendages (U/W), Leak Test - Barge 7 Propulsion Shaft Bearings (External) , Check Clearances 15 Rudder Stock Bearings, Check Clearances 20 Rudder Assembly, Remove, Inspect and Reinstall 23 Propulsion Shafting ; Remove, Inspect, and Reinstall 24 Shaft Seal Assembly, Overhaul 25 Pad Eyes , Inspect and Test - Barge 26 Voids (Non-Accessible), Leak Test 35 Galley – Under Sink Deck Surfaces , Inspect and Preserve 39 Thruster Unit (General) , Inspect and Overhaul -Barge 45 Bilge (Non-Machinery Space), Preserve -Barge xi (Rev-0)

Principal Characteristics

- Tug

PC_140_WTGB_1009

140’ WTGB (ICEBREAKING TUG)

PHYSICAL CHARACTERISTICS

Length overall 140' 0"

Length between Perpendiculars 130' 0"

Breadth, Extreme 37' 7-1/4"

Depth, Molded 18' 2-3/8"

Frame Spacing 1' 6"

Full Load (Winter) Draft (at ) 12' 1-1/2" Full Load (Winter) Displacement 687 Long tons (LT) Full Load (Winter) Center of Gravity

Above Base (KG) 13' 1" Full Load Trimming Moment (Forward) 75.6 Ft-LT

Minimum Operating Condition Draft (at ) 11' 6-3/8" Minimum Operating Condition Displacement 640 Long tons Minimum Operating Condition Center of Gravity

Above Base (KG) 13' 4-1/4" Minimum Operating Condition Trimming Moment

(Forward) 76.8 Ft-LT

Height of Vessel Above DWL Approx. 62' 0"

MACHINERY CHARACTERISTICS

Propulsion Diesel-electric

Number of Units: 2

Total Shaft Horsepower: 2500 Propeller Qty: 1 Number of Blades: 4 Diameter: 8' 6" Pitch: Fixed xii (Rev-0)

NOTE: Stability values above are for representative tug. Draft and longitudinal lever values provided above are for tugs in fresh water. Longitudinal lever values are provided to adjust tug's design drag of 1.0 feet by the stern.

xiii (Rev-0)

PC_Barge_120_1009

Principal Characteristics - Barge

120' BARGE

PHYSICAL CHARACTERISTICS

Length overall 125' 0" Breadth, Extreme 52' 0" Frame Spacing 1' 0" Full Load Draft 5' 7" Full Load Displacement 690 Long tons

DIESEL GENERATORS

Number of Units 2 Rated power 75 kw, 450 V, 3 Ph

DIESEL HYDRAULIC POWER UNI

Number of Units 2 Rated power 75 kw, 450 V, 3 Ph

BOW THRUSTER

Number of Units 1

PROPELLERS

Type Vertical Mount in Recessed Tunnel Number 1 Number of Blades 3 Diameter 12" xiv (Rev-0)

This page was left blank intentionally. Do not delete.

1 (Rev-0)

00000_PWB_1111_FLT

REC_0000_FLT_ Commercial Project @ Contractor’ Facility (0211)

General Requirements

1. SCOPE

1.1 Intent. This item describes the general requirements to be followed by the Contractor while conducting this availability.

2. REFERENCES

COAST GUARD DRAWINGS

None.

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3C, Change 1, Jun 2006, Coatings and

Color Manual Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Jan 2009, General

Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes

OTHER REFERENCES

ASTM International (ASTM) D4417, 2003, Standard Test Methods for Field Measurement of Surface

Profile of Blast Cleaned Steel Commercial Item Description (CID) A-A-59316, Nov 2003, Abrasive Materials for Blasting Code of Federal Regulations (CFR) Title 33 CFR, 2008, 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 MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), May 1997, Requirements for

Fabrication, Welding, and Inspection of Submarine Structure The Society for Protective Coatings (SSPC) VIS 1, 2004, Guide and Reference Photographs for Steel

Surfaces Prepared by Dry Abrasive Blast Cleaning

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.

2 (Rev-0)

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 also to all other work subsequently authorized by changes, modifications, or extensions to the contract.

3.2 Fire watch requirements. The Contractor shall 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 Welding and brazing requirements. The Contractor shall perform all welding and allied processes, and NDI in accordance with SFLC Std Spec 0740.

3.4 HW disposal. The Contractor is considered as the generator of all contract-generated hazardous wastes and shall use its facility’s EPA generator ID number for management, transportation, and disposal of said hazardous wastes. Ensure the following:

3.4.1 Contractor’s hazardous waste handlers shall comply with applicable requirements of 40 CFR 262.

3.4.2 All contract generated hazardous wastes shall be packaged in 49 CFR-compliant containers.

3.4.3 The designated wastes shall be disposed of at a state or Federally-approved and permitted HW TSDF.

3.4.4 Name of destination TSDF shall be submitted to the KO at the Arrival Conference.

3.5 Pre-surface preparation test coupon. In order to ensure production of required surface profile, the Contractor shall accomplish the following tasks, whenever abrasive-blasting is required in a work item that is deemed a ”critical-coated’ surface:

3.5.1 Coupon material and test set-up particulars.

3.5.1.1 Conduct a performance test on all abrasive blasting operations on a Contractor- provided test coupon, prior to starting abrasive blasting operations on the vessel. Ensure the following:

• The coupon shall be a new metal plate, of the same metal type and material properties as the vessel area to be blasted - steel or aluminum plate, as applicable, and shall have no existing anchor profile - other than the surface irregularities from the manufacturing process.

• The test coupon shall be flat, with nothing welded to the side used for the anchor profile test, no thinner than a 1/8-inch plate and measuring no smaller than 1-foot by 1-foot.

• For steel substrates, the coupon shall have the mill scale intact, and be in a Rust Grade "A" condition, in accordance with SSPC-VIS 1.

• The test coupon shall be affixed so as to not permit excessive movement during the performance test, but shall not be affixed to the vessel.

3 (Rev-0)

3.5.1.2 Ensure that the abrasive-blasting operation for the test coupon is conducted with the identical setup and parameters that will be used blasting the designated vessel surfaces – including, but not limited to:

• The abrasive media type and media size selected to achieve the anchor profile range, as specified in the applicable work items.

• Nozzle size and type (straight bore, high velocity nozzle, angle nozzle...).

• Delivery rate and pressure settings.

3.5.1.3 Blast a one-square foot area on one side of the test coupon to the abrasive surface preparation standard specified in the work item, and perform an anchor profile test of the blasted surface in accordance with ASTM D4417, Method B or C. Notify the COTR in advance of the abrasive blasting operation test, to permit the witnessing of the test by the COTR. Submit a CFR documenting the results of the abrasive blasting operation test. The CFR shall include at a minimum, the following:

• Area of the vessel for which the verified setup will be used to abrasive blast.

• The selected abrasive media type and size.

• The nozzle size and type.

• The delivery rate and pressure.

• The test coupon starting properties (material type and surface conditions).

• The resultant anchor profile readings from the test (a minimum of 3 locations, separated by a minimum of 2 inches shall be recorded).

NOTES

1. A performance test of the abrasive blasting operations on a test coupon and measuring the resultant anchor profile prior to performing the abrasive blasting operation on the cutter is required. The test coupon will be used to evaluate the anchor profile produced by the equipment setup and selected abrasive media.

2. The reverse side of the test coupon may be used for the subsequent test, provided that the conditions in paragraph 3.5.1 (Coupon material and test set-up particulars) are met.

3. Ultra high pressure water jetting does not create an anchor profile and is exempt from the anchor profile test coupon check.

3.5.1.4 Repeat the abrasive blasting operation test in the following instances:

• The equipment setup, that was evaluated during the test coupon abrasive blasting performance test in paragraph 3.5.1 (Coupon material and test set-up particulars), has changed.

• The resultant anchor profile readings observed on the vessel are outside the specified anchor profile range.

• Media is changed from MIL-A-22262 to CID A-A-59316 or vice versa.

4 (Rev-0)

• The supplier of the abrasive blasting media changes, regardless if the new source for the media has the same specifications.

• When Directed by the COTR.

CAUTION!

Ensure that blast media from the performance test does not strike the vessel during the test.

3.6 Interim changes to SFLC Std Spec 0000. The Contractor shall be aware of the following interim changes to the SFLC Std Spec 0000:

3.6.1 Contents of paragraph 3.3.2.1.1 (Water depth) have been revised to read as follows:

“3.3.2.1.1 Water depth. Ensure that water depth is sufficient at the pier to allow the vessel's lowest underwater appendage to clear the bottom by at least two feet at:

• Ordinary low water mark on non-tidal rivers.

• At all tide conditions predicted during the availability for tidal rivers and other navigable waterways (Bay, Lake, etc.).”

3.6.2 Paragraph 3.2.11.1 (Sanitary facilities for vessel-personnel – due to disruption of grey water system) has been revised as follows:

“3.2.11.1 Sanitary facilities for vessel-personnel – due to disruption of grey water and sewage systems.

When the shipboard grey water and sewage systems are disrupted due to repairs required by contract work, the Contractor shall provide vessel-personnel with a sanitary facility, within a five minute walking distance from the vessel, to include the amenities listed in Table II (Sanitary Facility Amenities). Ensure the following:

• Shower stalls are equipped with privacy screens.

• Sinks are provided with fresh hot and cold water.

• Electrical convenience GFI receptacles, in accordance with NFPA 70, National Electric Code (NEC), are located in vicinity of sinks.

• Toilets have doors or privacy dividers.

• Lockers are capable of being locked.”

4. NOTES

4.1 Access to COMDTINST M10360.3. The COMDTINST M10360.3 may be accessed at the following URL address: http://www.uscg.mil/directives/cim.asp

4.2 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in SFLC Std Spec 0000 to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this

5 (Rev-0) 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 COMDTINST M10360.3, 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-based 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-12, SP-11, SP-10…).

Verify surface anchor profile using ASTM D4417-Methods B or C against COMDTINST M10360.3. 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

7 (Rev-0)

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 |

8 (Rev-0)

QA-3a - QUALITY ASSURANCE INSPECTION FORM

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

Location of Work (Frame References) Area (sqft)

SURFACE PREPARATION METHOD PROFILE ACHIEVED (mils) Min Max Mean

SSPC-SP-10/NACE No. 2 SSPC-SP-12/NACE No. 5

SSPC-SP-3

SSPC-SP-11

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

Abrasive Manufacturer and 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

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

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)

SURFACE PREPARATION METHOD PROFILE ACHIEVED (mils) Min Max Mean

SSPC-SP-10/NACE No. 2 SSPC-SP-12/NACE No. 5

SSPC-SP-3

SSPC-SP-11

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

Abrasive Manufacturer and 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 _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

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

_____ mils _____ mils _____ mils _____ mils _____ mils

10 (Rev-0)

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)

11 (Rev-0)

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.

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)

11000_UWHIB_PWB_1211_FLT

REC_11000_UWHIB_FLT_140 WTGB (102 CGC BRISTOL BAY) Great Lakes (1211)

WORK ITEM 1: Hull Plating ( U/W Body ) , Inspect

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to inspect/survey the vessel’s U/W hull plating, including U/W appendages and coating system.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 101 WTGB 111-001, Rev R, Sheel Expansion Coast Guard Drawing 101 WTGB 114-001, Rev D, Rudder Guard Coast Guard Drawing 101 WTGB 114-002, Rev L, Bubbler Structure Coast Guard Drawing 101 WTGB 562-001, Rev N, Rudder Coast Guard Drawing 101 WTGB 801-003, Rev C, Docking Plan

COAST GUARD PUBLICATIONS

None.

OTHER REFERENCES

ASTM International (ASTM) D4138, 2007, Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means The Society for Protective Coatings (SSPC), June 1996, Paint Application Specification No. 2 (PA-2), Measurement of Dry Coating Thickness with Magnetic Gages

3. REQUIREMENTS

3.1 General.

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

• None.

3.1.2 Tech Rep.

13 (Rev-0)

Not applicable.

3.1.3 Protective measures. The Contractor shall furnish and install suitable covering to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces, contaminated due to improper protection, 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 particulars. 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. 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 COTR 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 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 Inspect for deformation along the stem and keel areas, condition of butt-welded seams, doubler plates, lap seams, and any signs of damaged plating or unusual waviness in the plating.

3.2.2 Sea chests and all other cooling system intake components. Inspect all sea chests, 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. 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. Inspect the condition of propellers for propellers for signs of corrosion, pitting, erosion, fouling, cracks, dings, and nicks by side and blade; inspect fairwaters, rope guards, shafts, and mechanical seals - look for missing screws, physical damage to the blades, pitting, condition of dunce caps, and condition of securing devices.

3.2.5 Transducers. 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.

14 (Rev-0)

3.2.6 Zinc anodes.

3.2.6.1 Remove all marine growth and oxide coating from all hull, rudder, shaft strut, sea chest, z-drive, and thruster tunnel zinc anodes, as applicable, using a light-wire brush.

3.2.6.2 Visually inspection of all zinc anodes; check the soundness of mounting strap and stud welds, missing fasteners, and percentage of remaining material

3.2.7 Coating system inspection requirements. 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 as “Partial - Condition A”, “Partial - Condition B”, or “100%”, as applicable (see 4.1 (Definitions)). Submit a CFR.

NOTE

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

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

3.2.7.2 Dry film thickness(DFT) measurements. Take total DFT measurements of the U/W body coating system, in accordance with SSPC-PA 2.

3.2.7.3 Thickness and scheme inspection. Perform microscopic observation of precision angular cuts in the coating system film (“Tooke Paint Inspection”), in accordacne with ASTM D4138, and measure the of total coating thickness and thickness of each individual coat of paint, in addition to identifying/verifying the existing color scheme for each coat of paint comprising the coating system.

NOTE

The Tooke Paint Inspection Gage/Gauge (Plastic) is a precision tool for inspection and thickness measurement (in accordance with ASTM D4138) of single or multiple coats on any substrate, and for microscopic observation and measurement of substrate and film defects. The gage uses an illuminated 50-power microscope with measuring reticle, and mounts tungsten carbide cutting tips for precise incision of the work surface.

Direct measurement of total coating thickness and thickness of individual coats of paint is a unique capability of the Tooke Paint Inspection Gage/Gauge. Thus, in addition to routine use, it often serves as a “referee” instrument to calibrate indirect or non-destructive thickness measuring instruments.

Other uses include assessment of substrate conditions and coating adhesion, and observation of microscopic cracking, tendency for brittleness, cratering, or other microscopic film symptoms.

3.2.7.3.1 Take a total of four readings in locations designated by the Coast Guard Inspector, and as follows: one each, port and starboard, in the boot-top area; and one each, port and starboard, below the boot-topping.

3.2.7.3.2 Touch-up repair all affected areas, after completion of thickness readings.

4. NOTES

15 (Rev-0)

4.1 Definitions.

4.1.1 U/W Body.

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

4.1.3 "Partial - Condition B": The condition that exists where the coating system has incurred damage, but the substrate 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.

16 (Rev-0)

11000_UWHIB_PWB_1211_FLT

REC_11000_UWHIB_FLT_120’ Barge (ALL) (1211)

WORK ITEM 2: Hull Plating ( U/W Body ) , Inspect - Barge

1.1 Intent. This work item describes the requirements for the Contractor to inspect/survey the vessel’s U/W hull plating, including U/W appendages and coating system.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 120 BARGE-801-006, Rev B, 120FT Aids to Navigation (ATON) Servicing Barge

Docking Plan

COAST GUARD PUBLICATIONS

None.

OTHER REFERENCES

ASTM International (ASTM) D4138, 2007, Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means The Society for Protective Coatings (SSPC), June 1996, Paint Application Specification No. 2 (PA-2), Measurement of Dry Coating Thickness with Magnetic Gages

3. REQUIREMENTS

3.1 General.

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

• None.

3.1.2 Tech Rep.

Not applicable.

3.1.3 Protective measures. The Contractor shall furnish and install suitable covering to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against contamination during the

17 (Rev-0) performance of work. Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces, contaminated due to improper protection, 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 particulars. 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. 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 COTR 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 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 Inspect for deformation along the stem and keel areas, condition of butt-welded seams, doubler plates, lap seams, and any signs of damaged plating or unusual waviness in the plating.

3.2.2 Sea chests and all other cooling system intake components. Inspect all sea chests, 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.

N/A.

3.2.4 Propeller and shaft associated components.

N/A.

3.2.5 Transducers. Check general condition for cuts, cracks, corrosion, and surface…