CGC_WEDGE_SPEC_REV_O_2_March_2015.pdf
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USCGC WEDGE (WLR 75307)
USCG 90B BARGE (90012)
SPECIFICATION FOR DRYDOCK REPAIRS
FY2015
Developed By: Kristina L Lewis
(Rev-0, 02 March 2015)
USCGC WEDGE (WLR-75D) DRYDOCK AVAILABILITY FY2015
ii (Rev-0)
TABLE OF CONTENTS
Revisions Record .......................................................................................................................................... iv Consolidated List of References .................................................................................................................... v Consolidated List of Government-furnished Property ............................................................................... xii Consolidated List of Critical Inspection Items .......................................................................................... xiii Principal Characteristics - Tender .............................................................................................................. xiv Principal Characteristics - Barge ................................................................................................................. xv General Requirements WORK ITEM 1: Hull Plating (Side Scan), Ultrasonic Testing - Tender WORK ITEM 2: Hull Plating (Side Scan), Ultrasonic Testing - Barge WORK ITEM 3: Appendages (U/W), Leak Test - Tender WORK ITEM 4: Appendages (U/W), Leak Test - Barge WORK ITEM 5: Appendages (U/W) - Internal, Preserve - Tender WORK ITEM 6: Appendages (U/W) - Internal, Preserve - Barge WORK ITEM 7: Voids (Non-Accessible), Leak Test - Tender WORK ITEM 8: Voids (Non-Accessible), Internal Surfaces, Preserve- Tender WORK ITEM 9: Tanks (MP Fuel Service), Clean and Inspect - Barge WORK ITEM 10: Propulsion Shafting; Remove, Inspect, and Reinstall WORK ITEM 11: Propeller, Perform Minor Repairs and Reconditioning WORK ITEM 12: Propellers, Remove, Inspect, and Reinstall WORK ITEM 13: Keel Coolers, Clean, Inspect and Hydro WORK ITEM 14: Barge, Diesel Engine Exhaust Piping, Commercial Clean WORK ITEM 15: Fathometer Transducer, Renew – Tender WORK ITEM 16: Fathometer Transducer, Renew – Barge WORK ITEM 17: Compressed Air Receivers and System Valves (All), Clean, Inspect, Hydro and Lift -
Tender WORK ITEM 18: Compressed Air Receivers and System Valves (All), Clean, Inspect, Hydro and Lift -
Barge WORK ITEM 19: Rudder Assembly; Remove, Inspect and Reinstall WORK ITEM 20: Hull Fittings (Weight Handling Rigging Hardware), Inspect and Test - Barge WORK ITEM 21: Hull Fittings (Mooring and Towing), Inspect and Test - Tender WORK ITEM 22: Hull Fittings (Mooring and Towing), Inspect and Test - Barge WORK ITEM 23: Spuds, Overhaul - Tender WORK ITEM 24: Tail Winch, Inspect & Service - Tender WORK ITEM 25: Head Winch, Inspect & Service - Barge WORK ITEM 26: Spud Wells, Inspect - Tender WORK ITEM 27: Spud Wells, Inspect - Barge WORK ITEM 28: Boat Boom (Gen), Level 2 Inspect and Repair – Barge WORK ITEM 29: Buoy and Cargo Crane, Inspect and Repair - Barge WORK ITEM 30: Sewage Holding Tank(s), Clean and Inspect - Tender WORK ITEM 31: Grey Water Piping, Clean and Flush WORK ITEM 32: Sewage Piping, Clean and Flush WORK ITEM 33: Decks – Exterior (Buoy or Construction Deck), Preserve 100% WORK ITEM 34: U/W Body, Preserve (100%) - Tender WORK ITEM 35: U/W Body, Preserve (100%) - Barge WORK ITEM 36: Cathodic Protection / Zinc Anodes, Renew- Tender WORK ITEM 37: Cathodic Protection / Zinc Anodes, Renew- Barge WORK ITEM 38: Drydock- Tender WORK ITEM 39: Drydock- Barge iii (Rev-0)
WORK ITEM 40: Temporary Services, Provide WORK ITEM 41: Sea Trial Performance, Support, Provide WORK ITEM 42: Fan Coil Units, Renew WORK ITEM 43: Lead-Based Paint, 100% Abatement, Perform WORK ITEM 44: Lead-Based Paint, Perform Partial Abatement WORK ITEM 45: Raw Water Cooling Piping for Barge Air Compressor Aftercooler, Install WORK ITEM 46: Fire Pump Foundation Renew WORK ITEM 47: Potable Water Pump Foundation Renew WORK ITEM 48: Internal Structural Members, Repair WORK ITEM 49: Forward Hold Hull Plating and Framing, Renew WORK ITEM 50: Voids Surrounding Potable Water Tank Hull Plating, Renew WORK ITEM 51: Barge Fuel Oil System Piping, Renew WORK ITEM 52: Sewage Discharge Piping and Valves, Renew WORK ITEM 53: Grey Water Piping and Components, Renew WORK ITEM 54: Potable Water Tank Plating, Stiffeners & Frames, Renew WORK ITEM 55: Keel Cooler Boxes, Remove WORK ITEM 56: Gooseneck Ventilation Pipes, Renew and Inspect WORK ITEM 57: Grease Interceptor, Install WORK ITEM 58: Pneumatic Spud & Tugger Winches (Tender and Barge), Replace WORK ITEM 59: Bilge Suction Piping, Renew WORK ITEM 60: Firemain Piping, Renew WORK ITEM 61: Deck Plating (Barge), Repair WORK ITEM 62: Hand Rail Stanchion, Repair WORK ITEM 63: Engine Room Supply Fan Foundation, NDI WORK ITEM 64: Spud Wells, Preserve - Tender WORK ITEM 65: Spud Wells, Preserve - Barge WORK ITEM 66: Aft Potable Water Tank Suction Valve, Renew WORK ITEM 67: Sinker Tilt Board, Repair and Relocation (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 130-CGB 185-004, Rev -, Gas Can Stor Rack & Sinker Tilt Board Details Coast Guard Drawing 75 WAGL 0700-004, Rev -, Docking Plan Coast Guard Drawing 75 WAGL 1112-002, Rev A, Sewage Tank & Pump FDNS Coast Guard Drawing 75 WAGL 1906-2, Rev-, Grid Cooler-Cathodic Protection
Coast Guard Drawing 75 WAGL 4301-005, Rev L, Shafting Machining Details to suit IF 1312 MDE Coast Guard Drawing 75 WAGL 4400-003, Rev J, Propeller to suit IF 1312 MDE
Coast Guard Drawing 75 WAGL 5301-006, Rev F, Shaft Brake to suit IF 1312 MDE Coast Guard Drawing 75 WAGL 6713-001, Transducer Instl In Hull
Coast Guard Drawing 75 WLIC 528-002, Rev A, Plumbing & Deck Drains, Arrangements
Coast Guard Drawing 75D WAGL 0103-004, Rev D, GEN ARRG MN DK & HOLD (75306-75307) Coast Guard Drawing 75D WAGL 0500-003, Rev -, Lines and Offsets
Coast Guard Drawing 75D WAGL 0700-004, Rev -, 75FT “D” Class Towboat Docking Block Arrangement
Coast Guard Drawing 75D WAGL 103-7, Rev C-, Outboard Profile and Inboard Profile (75306-75307) vi (Rev-0)
Coast Guard Drawing 75D WAGL 1101-001, Rev C, Shell Expansion (75306- 75307)
Coast Guard Drawing 75D WAGL 1101-006, Rev B, New Grid Cooler Pocket P/S to Suit 80MDDCD SSDG
Coast Guard Drawing 75D WAGL 1201-001, Rev A, Towing Knees & Towing Bitt (75306-75307)
Coast Guard Drawing 75D WAGL 1201-002, Rev B, Closed Chocks & Fairleader in Bulwark (75306-75307)
Coast Guard Drawing 75D WAGL 2200-013, Rev A, Steering System Control & Alarms to suit JASTRAM S2-16-2-35
Coast Guard Drawing 75D WAGL 2200-014, Rev B, Steering System Arrangement for JASTRAM S2-16-2-35
Coast Guard Drawing 75D WAGL 2200-015, Rev B, Flanking Steering System Arrangement for JASTRAM S2-16-2-35
Coast Guard Drawing 75D WAGL 2200-016, Rev C, Rudder Post Installation for JASTRAM S2-16-2-35 Steering System
Coast Guard Drawing 75D WAGL 2602-1, Rev-, Spud Housing Assembly And Details Coast Guard Drawing 75D WAGL 2901-001, Rev A, Curves of Form
Coast Guard Drawing 75D WAGL 3801-001, Rev B, Ventilation, Heating & Air Conditioning
Coast Guard Drawing 75D WAGL 4103-027, Rev A, Jacket Water Piping Mods to Suit IRESS (WEDGE)
Coast Guard Drawing 75D WAGL 4301-003, Rev B, Shafting Installation to suit IF
1312 MDE
Coast Guard Drawing 75D WAGL 4804-002, Rev A, Fresh Water & Waste Piping Plan
Coast Guard Drawing 75D WAGL 4804-003, Rev A, Fresh Water & Waste Piping Sections
Coast Guard Drawing 75D WAGL 4808-003, Rev A, Marine Sanitation Device, Secondary Drainage System Alterations
Coast Guard Drawing 75D WAGL 4901-001, Rev B, Compressed Air Flow Diagram
Coast Guard Drawing 75D-WAGL 1103-02, Rev -, Hull Framing Plan (75306- 75307)
Coast Guard Drawing 75D-WAGL 1103-03, Rev A, Frames 4, 12, 16, 21, 31 & 36 (75306-75307)
Coast Guard Drawing 75D-WAGL 1604-02, Rev A, Bulwark Ext Handrail & Grabrail Layout (75306-75307)
Coast Guard Drawing 75D-WAGL 1604-03, Rev A, Bulwark Ext Handrail & Grabrail Dets (75306-75307)
Coast Guard Drawing 75D-WAGL 3801-001, Rev B, Vent Heating & A/C (75306- 75307) vii (Rev-0)
Coast Guard Drawing 75D-WAGL 3801-010, Rev A, Mods to Aft Hold Vent, Insulation, Paint to Suit Installation of Jastrum S2-16-2-35
Coast Guard Drawing 75D-WAGL 4801-001, Rev A, Bilge Piping Plan (75306- 75307)
Coast Guard Drawing 75D-WAGL 4801-002, Rev A, Bilge Piping Sections (75306- 75307) Coast Guard Drawing 75D-WAGL 4803-002, Rev A, Firemn Plan Coast Guard Drawing 75D-WAGL 4803-003, Rev A, Firemn Sects
Coast Guard Drawing 75D-WAGL 4804-001, Rev -, Fresh Wtr Flow Diag (75306- 75307)
Coast Guard Drawing 75D-WAGL 4804-002, Rev A, Fresh Wtr & Waste Piping Plan (75306-75307)
Coast Guard Drawing 75D-WAGL 4804-003, Rev A, Fresh Wtr & Waste Piping Sects (75306-75307)
Coast Guard Drawing 75D-WAGL 4808-003, Rev A, Marine Sanitation Device- Secondary Drain Sys Alts (75306-75307)
Coast Guard Drawing 75D-WAGL-1103-04, Rev -, Frames 43 & 47 & Dets (75306- 75307)
Coast Guard Drawing 75D-WAGL-3801-012, Rev -, Engine Rm Ventilation Mods to Suit IRESS
Coast Guard Drawing 90 CGB 0103-1, Rev 1, Outboard Profile and Deck Arrangement
Coast Guard Drawing 90 CGB-1103-1, Rev 2, 90-FT. BARGE HULL FRAMING
PLAN
Coast Guard Drawing 90B CGB 0103-008, Rev -, CGB 90012 Booklet of General Plans
Coast Guard Drawing 90B CGB 0103-1, Rev C, Outboard Profile and Arrangement for 90’x 24’x 6’-6” Barge
Coast Guard Drawing 90B CGB 0700-001, Rev -, Docking Plan for 90’ x 24’ x 6’-6” Spec Barge Coast Guard Drawing 90B CGB 1103-002, Rev 1, Transverse Frames and Sections
Coast Guard Drawing 90B CGB 1201-001, Rev 2, Deck Fitting Plan for 90’ x 24’ x 6’-6” Sp Barge
Coast Guard Drawing 90B CGB 2602-3, Rev 2, Barge 90'-0" X 24'-0" X 6'-6" Spud & Spud Well Details
Coast Guard Drawing 90B CGB 2602-3, Rev 2, Barge 90'-0" X 24'-0" X 6'-6" Spud & Spud Well Details Coast Guard Drawing 90B CGB 2901-002, Rev -, Tank CAPACITY - 95% Tables Coast Guard Drawing 90B CGB 4901-001, Rev -, Air Piping System
Coast Guard Drawing 90B CGB 5200-1, Rev -, Air Supply, Stacks, & Exhaust Piping Coast Guard Drawing 90B CGB 5501-001, Rev -, Fuel Oil Piping System Coast Guard Drawing 90B CGB-0700-2, Rev -, Docking block Arrangement viii (Rev-0)
Coast Guard Drawing 90B-CGB 1101-01, Rev 3, Deck and Bottom Plating Barge
Coast Guard Drawing 90B-CGB 1101-03, Rev 1, After Rake Details for 90x24x6½ Special Barge
Coast Guard Drawing 90B-CGB 4803-001, Rev -, Jetting, Fire, & Diversion Piping Systems for 90'-0" X 24'-0" X 6'-6" Special Barge
Coast Guard Drawing 90B-CGB 5500-001, Rev -, Fuel Oil Piping System for 90’ x 24’ x 6’-6” Special Barge Coast Guard Drawing 90B-CGB-0500-2 Rev , Lines and Framing Plan Coast Guard Drawing 90B-CGB-1103-4 Rev , Midship Framing Details
Coast Guard Drawing 90B-CGB-1112-1, 90’ x 24’ x 6.6’ Special Barge, Engine, Air Compr. And Fire & Jetting Pump Foundation Coast Guard Drawing 90B-CGB-3603-1, Rev , Potable Water System
Coast Guard Drawing 90C-CGB 4103-001, Rev 2, Skin Cooling & Raw Water Piping for 90'-0" X 30'-0" X 6'-6" Special Barge
Coast Guard Drawing 90C-CGB-1602-4, Rev 1, Engine Room Floor Framing & Plating Coast Guard Drawing 90C-CGB-4103-1, Rev 2, Skin Cooling & Raw Water Piping Coast Guard Drawing 90-CGB 2002-003, Rev -, 90-Ft Barge Derrick Coast Guard Drawing 90-CGB 6713-3, Rev -, Transducer Location
Coast Guard Drawing 90-CGB-1101-1, Rev 4, Fwd Rake Deck, Bottom & Side Plate- Long’l Truss Ladder & Layouts for 90’x 24’ x 6’6” Special Barge
Coast Guard Drawing 90-CGB-4000-1, Machinery Arrangement, Foundations & Engine Rm Floor Pltg
Coast Guard Drawing FL 6713-203, Rev -, CRP-V850 Transducer (SS505) Adapter Assembly Coast Guard Fleet Drawing FL 2602-10, Rev J, Spud Arrangements and Details
Coast Guard Fleet Drawing FL-1112-18, Rev -, HU40 Series Spud Winch Foundation
Coast Guard Fleet Drawing FL-1112-18, Rev A, HU40 Series Spud Winch Foundation and Installation NAVSEA Drawing 803-921865, Rev R, Cathodic Protection Hull Zinc Anodes
COAST GUARD PUBLICATIONS
Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Colors Manual
Coast Guard Commandant Instruction (COMDTINST)_MI0360.3 (series), Coatings and Color Manual
Coast Guard Technical Publication (TP) 3237B, Nov 1984, Fan Coil Fan Unit
Coast Guard Technical Publication (TP) 3364, SWBS 589, May 1998. Marine Crane, Model TK 20-50, Section A (Service Manual) and Section B (Parts)
Coast Guard Technical Publication (TP) 4958, Section A, Amendment 1; Mar 2011, Utility Air Winch Model HU-40 Series
Coast Guard Technical Publication (TP) 5491, SWBS 256, Apr 2013, Keel Grid Cooler (Duramax) ix (Rev-0)
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 0850 (SFLC Std Spec 0850), 2014, General Requirements for Drawing Preparation
Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2014, Auxiliary Machine Systems
Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures
Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2014, Drydocking
Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2014, Temporary Services
OTHER REFERENCES
American Bureau of Shipping (ABS) 2, Rule Requirements for Survey After Construction, 2007, Part 7, Appendix Section 10, Guide for Bronze and Stainless Steel Propeller Castings
American Institute of Steel Construction (AISC), 2005 Specifications, Section M2.1
American Society for Nondestructive Testing (ASNT) SNT-TC-1A, 2013, Recommended Practice for Nondestructive Testing Personnel Qualification and Certification
American Society for Testing and Materials (ASTM) International F1508, 2010, Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas, and Liquid Services
American Society of Mechanical Engineers (ASME) B16.11, 2005, Forged Steel Fittings, Socket- Welding and Threaded
American Society of Mechanical Engineers (ASME) B16.25, 2007, Buttwelding Ends
American Society of Mechanical Engineers (ASME) B16.34, 2004, Valves-Flanged, Threaded, and Welding End
American Society of Mechanical Engineers (ASME) B16.5, 2003, Pipe Flanges & Flanged Fittings: Nps 1/2 Through Nps 24
American Society of Mechanical Engineers (ASME) B16.9, 2007, Factory-Made Wrought Buttwelding Fittings
American Welding Society (AWS) D1.1/D1.1M:2002, Structural Welding Code – Steel, Sections 5.26.5 and C8.5.5
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) A105, 2005, Standard Specification for Carbon Steel Forgings for Piping Applications
ASTM International (ASTM) A181, 2006, Standard Specification for Carbon Steel Forgings, For General-Purpose Piping
ASTM International (ASTM) B 843, 2007, Standard Specification for Magnesium Alloy Anodes for Cathodic Protection
ASTM International (ASTM) B88, 2014, Standard Specification for Seamless Copper Water Tube
ASTM International (ASTM) D1330, 2004, Standard Specification for Rubber Sheet Gaskets
ASTM International (ASTM) D3951, Reapproved 2004, Standard Practice for Commercial Packaging x (Rev-0)
ASTM International (ASTM) D5363, 2008; Standard Specification for Anaerobic Single-Component Adhesives (An)
ASTM International (ASTM) F1076, Reapproved 2004, Standard Practice for Expanded Welded and Silver Brazed Socket Joints for Pipe and Tube
ASTM International (ASTM) F683, 2003, Standard Practice for Selection and Application of Thermal Insulation for Piping and Machinery
ASTM International (ASTM) F992, 2006, Standard Specification for Valve Label Plates
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 2013 Navigation and Navigable Waters
Code of Federal Regulations (CFR) Title 40, 2013, Protection of the Environment
Code of Federal Regulations (CFR) Title 49, Oct 2013, Transportation
Commercial Item Description (CID) A-A-52624, Nov 2008, Antifreeze, Multi Engine Type, Ethylene Glycol
Commercial Item Description (CID) A-A-59313, Nov 2003, Thread Compound; Anti-seize, Zinc Dust- Petrolatum
DOD-STD-2187, Aug 1987, Chemical Cleaning of Salt Water Piping Systems
Electric Boat Corporation Specification No. 4013 (EB Spec 4013), Anti-Sweat and Refrigerant Insulation systems (Sheets and Tubes), Rev-A, February 16, 1999
Federal Specification (Fed Spec) HH-P-151, Mar 1991, Packing; Rubber-Sheet, Cloth-Insert
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, 2013 Edition, Pressure Testing Of Steel Valves
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-67, 2011 Edition, Butterfly Valves
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-72, 2010 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service
Manufacturers' Standardization Society of the Valve and Fittings Industry (MSS) SP-80, 2013 Edition, Bronze Gate, Globe, Angle and Check Valves
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS), SP-58, 2009, Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application and Installation
MIL PRF-16173, Sep 2006, Corrosion Prevention Compound, Solvent Cut Back, Cold Application
MIL-A-18001, May 2005, Anodes, Sacrificial Zinc Alloy (Commercially Accepted - ASTM B418)
MIL-A-22262, Mar 1996; Abrasive Blasting Media Ship Hull Blast Cleaning
MIL-A-24179, Jun 1987, Adhesive, Flexible Unicellular-Plastic Thermal Insulation
MIL-DTL-1222, Dec 2000, Studs, Bolts, Screws and Nuts for Applications Where a High Degree of Reliability Is Required
MIL-G-24716, April 1993, Gaskets, Metallic-Flexible Graphite, Spiral Wound
MIL-PRF-16173, 2006, Corrosive Preventive Compound, Solvent Cutback, Cold Application
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
MIL-STD-167-1, Nov 2005, Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internally Excited) xi (Rev-0)
NAVSEA Drawing 804-5959214, Rev-, Piping Insulation - Installation Details
Ship Structure Committee (SSC) 207, Effects of Flame and Mechanical Straightening on Material Properties of Weldments, 1970.
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2013, Cork and Rubber Composition Sheet; For Aromatic Fuel and Oil Resistant Gaskets
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
The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation Standard SSPC-SP WJ-2/NACE WJ-2, 2012, Waterjet Cleaning of Metals – Very Thorough Cleaning
The Society for Protective Coatings (SSPC)/NACE-International (NACE) Joint Surface Preparation Standard SSPC-SP 10/NACE No. 2, 2007, Near-White Blast Cleaning
US Department of Defense, United Facilities Criteria (UFC) 3-320-01A, March 2005, Welding – Design and Inspection
US Department of Transportation, Federal Highway Administration, Guide for Heat-Straightening of Damaged Steel Bridge Members, May 2011 xii (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)
10 Y **Propeller shaft 2010-01-557-1512 2 ea. 19,184.17 12 Y **Propeller, LH NSN: 2010-01-534-9089 1 ea. 13,000.00 12 Y **Propeller, RH NSN: 2010-01-534-9095 1 ea. 13,000.00
15 N ***Fathometer
Transducer, Shallow Water, 50-200 kHz
NSN: 5845-01-531-2648
Airmar Technology SS555-
SLD
1 ea. 148.92
16 N ***Fathometer
Transducer, Shallow Water, 50-200 kHz
NSN: 5845-01-470-2500
Airmar Technology SS505
2 ea. 148.92
19 Y **Steering Rudder assembly
NSN: 2040-01-530-9095 2 ea. 27,325
19 Y **Flanking Rudder assembly
NSN: 2040-01-531-4393 2 ea. 39,514
19 N Wartsila FH7542-10 Rudder Seal
NSN: 2040-01-565-9776 4 ea 5,000
19 N Upper Bearing NSN: 3110-01-F11-2241 4 ea 800 19 N **Lower Bearing NSN: 3120-01-599-4857 4 ea 195 29 N Directional Control
Valve (DCV)
NSN: 4820-01-F12-2755
PN: 27771
1 ea. 4,144
42 N Fan coil unit Marlo Model No. 303 equivalent
4 ea. 2,500
57 N Grease Interceptor (Including Flow Control Fitting)
ZURN Z1170 size 100 1 ea. 305.83
58 Y HU-40 REMAN
Pneumatic Winch
NSN: 3950-01-566-3921 2 ea. $23,356.66
*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 xiii (Rev-0)
CONSOLIDATED LIST OF CRITICAL INSPECTION ITEMS
The following is a list of work items, which contain Critical Inspection reports, which the Contractor must complete within the first 25% of the availability contract period (see SFLC Std Spec 0000, paragraph 3.2.6.5 (Inspection report particulars)):
Work Item
Title
1 Hull Plating (Side Scan), Ultrasonic Testing - Tender
2 Hull Plating (Side Scan), Ultrasonic Testing - Barge
3 Appendages (U/W), Leak Test - Tender
4 Appendages (U/W), Leak Test - Barge
7 Voids (Non-Accessible), Leak Test - Tender
10 Propulsion Shafting; Remove, Inspect, and Reinstall
19 Rudder Assembly; Remove, Inspect and Reinstall
28 Boat Boom (Gen), Level 2 Inspect and Repair – Barge
29 Buoy and Cargo Crane, Inspect and Repair - Barge
34 U/W Body, Preserve (100%) - Tender
35 U/W Body, Preserve (100%) - Barge xiv (Rev-0)
PRINCIPAL CHARACTERISTICS - TENDER
75’ WLR (D-CLASS: CGC WEDGE), INLAND BUOY TENDER
PHYSICAL
Length overall 75' 0" Depth 7' 7-3/4" Maximum beam 22' 0" Height of highest projection 32' 0" Full load draft 4' 4” LCF Draft Full load displacement 141.31 Long Tons SW Shore tie voltage requirements 440 V / 100 A Frame spacing 1' 0"
MACHINERY
Number of propellers 2 Number of blades 4 Diameter of propeller 48" Pitch 40" fixed
RPM 800
xv (Rev-0)
PRINCIPAL CHARACTERISTICS - BARGE
90' CGB (B-CLASS: 90012, 90013), BARGE
PHYSICAL
Length overall 90' 0" Depth 6' 6" Maximum beam 24' 7" Full load draft 4’6” Full load displacement 181 Long Tons Shore tie voltage requirements 440 V / 100 A
1 (Rev-0)
00000_0215_FLT
REC_00000_FLT_ Commercial Project @ Contractor’ Facility (1212)
General Requirements
1. SCOPE
1.1 Intent. This standard specification invokes general requirements for conducting vessel repairs performed at a commercial contractor’s facility for Coast Guard vessels.
1.2 Term interchangeability. The terms 'Contractor', 'CG Yard', 'NAVSTA EVERETT', 'shipyard', 'Base', and 'Coast Guard Industrial' are used interchangeably in this specification. Where the primary service provider is Coast Guard personnel, references to contractor and other noted descriptors within this specification or within drawings, publications, SFLC Standard Specifications or other commercial and military references are deemed the same as prime service provider.
2. REFERENCES
COAST GUARD DRAWINGS
None
COAST GUARD PUBLICATIONS
Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Coatings and Color Manual
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 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
ASTM International (ASTM) 6966, 2008, Standard Practice for Collection of Settled Dust Samples Using Wipe Sampling Methods for Subsequent Determination of Metals
Code of Federal Regulations (CFR) Title 29, Part 1910, Jul 2008, Occupational Safety and Health Standards
The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2004, Power Tool Cleaning to Bare Metal
Code of Federal Regulations (CFR) Title 33 CFR, Jul 2013 Navigation and Navigable Waters
Code of Federal Regulations (CFR) Title 40, 2013, Protection of the Environment
Code of Federal Regulations (CFR) Title 49, Oct 2013, Transportation
2 (Rev-0)
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.
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 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)_MI0360.3C , Chapter 11 (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 5 of COMDTINST MI0360.3) 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 (Rev-0)
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, 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 adequately 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. None.
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:
None.
4. NOTES
4.1 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in SFLC Std Spec 6310 to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this document.
4 (Rev-0)
QA-1 - QUALITY ASSURANCE INSPECTION FORM
(PRESERVATION CHECKLIST)
Vessel Name Hull # Work Item # Work Item Title
Location of Work (incl. frame #’s) Area (sqft)
CHECKPOINT 1 – COATING SYSTEM COMPLIANCE
Ensure all coatings are in compliance with SFLC Std Spec 6310, Appendix C.
CHECKPOINT 2 - PAINT STORAGE
Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating 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
5 (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 |
6 (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 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 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: ______________
7 (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 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 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
8 (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)
9 (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
10 (Rev-0)
11000_Side Scan_0814_FLT REC_11000_Side_Scan_FLT_75 WLR (‘D’ Class : CGC WEDGE 75307 (1211)
WORK ITEM 1: Hull Plating (Side Scan), Ultrasonic Testing - Tender
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to perform thickness measurements of underwater (u/w) hull plating by ultrasonic side scan method.
1.2 Government-furnished property.
None.
2. REFERENCES
COAST GUARD DRAWINGS
Coast Guard Drawing 75D WAGL 0700-004, Rev -, 75FT “D” Class Towboat Docking Block Arrangement
Coast Guard Drawing 75D WAGL 1101-001, Rev C, Shell Expansion (75306-75307)
COAST GUARD PUBLICATIONS
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements
OTHER REFERENCES
American Society for Nondestructive Testing (ASNT) SNT-TC-1A, 2013, Recommended Practice for Nondestructive Testing Personnel Qualification and Certification
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.
3.1.2 Tech Rep.
11 (Rev-0)
Not applicable.
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). Known interferences include, but are not limited to the below-listed:
Hull zinc anode system
Docking blocks.
3.1.5 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.
Prior to side-scan survey, inspect interior and bilge plating for the presence of bubbles of rusted metal; break up and remove all rust bubbles with a small hand tool and remove debris, to facilitate accurate survey results.
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.
3.2 Side scan requirements and procedures. The Contractor shall refer 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.
3.2.1 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, 12 (Rev-0)
ASNT Recommended Practice No. SNT-TC-1A.
An SNT Level III Analyst is on site, to oversee the project and evaluate the collected data.
An SNT Level III or II Analyst is on site, to verify with a hand held gauge all areas on the hull identified as thinner than the specified criteria, in order to expedite all repair procedures.
Qualified personnel are provided to complete all on-site corrosion inspections.
3.2.2 Coast Guard notification. Accomplish all required tasks within 10 calendar days of the start of the availability.
3.2.2.1 Provide a daily update to the COR on all areas inspected and potential issues or schedule changes.
3.2.2.2 Notify the COR at least 3 days prior to completion for an onsite review of readings and repair areas.
3.2.3 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.
Mark the hull with recommended areas of plating renewal
3.2.3.1 Any scanning parameter or scope of work changes must be approved by the KO.
3.2.3.2 The echo to echo transducer is not authorized due to inconsistent readings and technical difficulties.
3.2.3.3 There shall be no deviation from the color scheme specified above.
3.2.4 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
13 (Rev-0) applicable.
Any areas blocked by immovable scaffolding or shipyard activity.
3.3 Side scan reports. The Contractor shall submit to the COR a final report within 3 working days after the side scan inspection is completed. A copy of all repair areas shall be clearly marked, in yellow or white, on the provided shell plate drawing(s), and provide a summary document of same areas. Submit two hard copies of the report with two CD’s containing the electronic (raw) data, as part of the CIR submission prior to departing the job site. Ensure the reports include:
Inspection overview.
Data sheets for each plate with designated repair areas outlined in blue.
Mosaic of scanned data overlaid on Coast Guard Drawing 75D WAGL 1101-001.
3.3.1 Photos. Provide digital photos of all designated repair areas.
3.3.2 Electronic files. CD’s shall 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.
4. NOTES
This section is not applicable to this work item.
14 (Rev-0)
11000_Side Scan_0814_FLT REC_11000_Side_Scan_FLT_90’ Barge (ALL) (1211)
WORK ITEM 2: Hull Plating (Side Scan), Ultrasonic Testing - Barge
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to perform thickness measurements of underwater (u/w) hull plating by ultrasonic side scan method.
1.2 Government-furnished property.
None.
2. REFERENCES
COAST GUARD DRAWINGS
Coast Guard Drawing 90B CGB-0700-001, Rev -, Docking Plan for 90’ x 24’ x 6’-6” Spec Barge
COAST GUARD PUBLICATIONS
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014,…
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