Attachment 2 - Spec_SEA OTTER DD.pdf
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- Attached to
- DRYDOCK: USCGC SEA OTTER DD FY25
- Solicitation number
- 70Z08025QPBPL0020
About this file
This document is a detailed specification for the drydock repair of the USCGC SEA OTTER (WPB 87362) scheduled for Fiscal Year 2025. The comprehensive work package includes 43 distinct work items covering extensive maintenance and preservation tasks for the Coast Guard vessel, with the primary objective of conducting a complete overhaul of the ship's critical systems and structural components.
Key work items include comprehensive underwater hull preservation, ultrasonic thickness measurements, renewal of propulsion shafting systems, replacement of critical components like rudder assemblies and bearings, electrical power distribution system thermographic inspection, window replacements, ventilation system modifications, tank cleaning and inspections, and drydocking services. The availability is planned to occur at a commercial contractor's facility from September 16, 2025 to November 18, 2025, with an estimated total project scope involving approximately 150 linear feet of piping cleaning, renewal of multiple mechanical and electrical components, and comprehensive preservation of the vessel's structural and operational systems. The solicitation (70Z08025QPBPL0020) is issued by the Department of Homeland Security's US Coast Guard and seeks a contractor capable of executing this extensive maritime maintenance project.
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| Attachment 1 - Schedule of Services BLANK_SEA OTTER DD.xlsx | XLSX spreadsheet | |
| 70Z08025QPBPL0020.pdf |
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USCGC SEA OTTER (WPB 87362)
SPECIFICATION FOR DRYDOCK REPAIRS
FY2025
Developed By: Brandon M. Triepke
(Rev-0, 28 January 2025)
USCGC SEA OTTER (WPB-87) DRYDOCK AVAILABILITY FY2025
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 ............................................................................................. xi Principal Characteristics ............................................................................................................................. xii General Requirements WORK ITEM 1: Structural Analysis, 3D Laser Scan, Perform WORK ITEM 2: Hull Plating (Side Scan), Ultrasonic Testing WORK ITEM 3: Ultrasonic Thickness Measurements, Perform WORK ITEM 4: U/W Body, Preserve, 100 percent WORK ITEM 5: Hull Plating Freeboard, Preserve, 100 Percent WORK ITEM 6: Tank, Dirty Oil, Clean and Inspect WORK ITEM 7: Tank, Oily Water, Clean and Inspect WORK ITEM 8: Tanks, MP Fuel Service, Clean and Inspect WORK ITEM 9: Decks, Exterior (Main Deck), Preserve WORK ITEM 10: Superstructure, Preserve, 100% WORK ITEM 11: Capastic Fairing, Depth Sounder, Renew WORK ITEM 12: Watertight Closures, Assess WORK ITEM 13: Mast, Preserve (“100%”) – Contractor Interference Removal WORK ITEM 14: Main Engine/Reduction Gear, Realign WORK ITEM 15: Intermediate Water-Lubricated Propulsion Shaft Bearings, Renew WORK ITEM 16: Aft Water-Lubricated Propulsion Shaft Bearings, Renew WORK ITEM 17: Intermediate Bearing Carriers, Renew WORK ITEM 18: Aft Bearing Carriers, Renew WORK ITEM 19: Propulsion Shafts, Renew WORK ITEM 20: Stern Tube Interior Surfaces, Preserve, 100 Percent WORK ITEM 21: Propellers, Renew WORK ITEM 22: Electrical Power Distribution System, Thermographic Inspection, 450 VAC And
Below WORK ITEM 23: Fathometer Transducer, Renew WORK ITEM 24: Speed Log, Skin Valve, Renew WORK ITEM 25: Ventilation System, Engine Room Supply and Exhaust Fan Assemblies, Clean and
Inspect WORK ITEM 26: Ducting, HVAC System, Clean WORK ITEM 27: Sea Water System, Perform Maintenance WORK ITEM 28: Rudder Assemblies, Renew WORK ITEM 29: Stern Launch Door, Remove, Inspect and Reinstall WORK ITEM 30: Grey Water Holding Tanks, Clean and Inspect WORK ITEM 31: Sewage Holding Tanks, Clean and Inspect WORK ITEM 32: Grey Water Piping, Clean and Flush WORK ITEM 33: Sewage Piping, Clean and Flush WORK ITEM 34: Cathodic Protection/Zinc Anodes, Renew WORK ITEM 35: Drydock WORK ITEM 36: Temporary Services, Provide - Cutter WORK ITEM 37: Sea Trial Performance, Support, Provide WORK ITEM 38: Windows, Pilothouse, Renew WORK ITEM 39: Critical Coated Surface(s), Preserve WORK ITEM 40: Interior Deck Covering System And Jointer Deck, Renew iii (Rev-0)
WORK ITEM 41: Insulation, Renew WORK ITEM 42: Unmanned Space Ventilation Modify WORK ITEM 43: Fire Main Bleed Line, Modify iv (Rev-0)
REVISIONS RECORD
This page is used to record specification revisions, which may have occurred subsequent to a Revision 0 (Rev-0) package. Information listed is intended to provide contractors and field unit personnel a means to ensure all the current specification revision pages are present when reviewing or utilizing this specification package.
DATE REV# WORK
ITEM#
CHANGES MADE
NOTE : All work item and paragraph numbers listed above for a given revision correspond to same numbers in the previous revision. This revised specification is self-contained with all of the above listed changes incorporated.
v (Rev-0)
CONSOLIDATED LIST OF REFERENCES
The below-listed documents form a part of this specification to the extent specified herein. Approval/publication dates or revision dates/numbers are also identified, to ensure that same document versions are used at the time of specification writing and during contract execution.
All Coast guard drawings, technical publications, and standard specifications will be provided to contractors by the Coast Guard at an appropriate time, or upon request, free of charge. Other Government documents may be accessed – free of charge – from links located on the SFLC website. Commercial sites provide access to their respective documents.
COAST GUARD DRAWINGS
Coast Guard Drawing 87 WPB 085-001, Rev -, Tank Capacity Curves
Coast Guard Drawing 87 WPB 085-011, Rev C, Lifting Slings
Coast Guard Drawing 87 WPB 085-012, Rev A, Lifting Cradle
Coast Guard Drawing 87 WPB 085-013, Rev B, Docking Plan
Coast Guard Drawing 87 WPB 111-001, Rev H, Shell Expansion
Coast Guard Drawing 87 WPB 111-050, Rev A, Updates to DWG 87-WPB-111-001 Exhaust Port Insert Plate Installation and Details
Coast Guard Drawing 87 WPB 113-001, Rev G, Platform Plating & Framing
Coast Guard Drawing 87 WPB 116-001, Rev -, Longitudinal Girders & BHD’s
Coast Guard Drawing 87 WPB 117-001, Rev G, Transverse Sections
Coast Guard Drawing 87 WPB 122-001, Rev C, Watertight Bulkheads
Coast Guard Drawing 87 WPB 131-001, Rev J, Deck Construction Plan
Coast Guard Drawing 87 WPB 151-001, Rev M, Superstructure Details
Coast Guard Drawing 87 WPB 163-001, Rev H, Sea Chest Details
Coast Guard Drawing 87 WPB 165-001, Rev F, Transducer Details
Coast Guard Drawing 87 WPB 167-002, Rev C, CG Schedule of Doors, Manholes, Windows & Hatches
Coast Guard Drawing 87 WPB 167-002, Rev C, CG Schedule of Doors, Manholes, Windows, and Hatches.
Coast Guard Drawing 87 WPB 167-003, Rev -, Weather Tight Door for Fuel Station Access
Coast Guard Drawing 87 WPB 167-004, Rev H, W.T. Doors and Hatches
Coast Guard Drawing 87 WPB 171-001, Rev W, Mast Details
Coast Guard Drawing 87 WPB 182-001, Rev C, Main Engine & Generator Foundations
Coast Guard Drawing 87 WPB 185-001, Rev AP, Auxiliary Foundation Booklet
Coast Guard Drawing 87 WPB 243-003, Rev -, Propulsion Shaft Details
Coast Guard Drawing 87 WPB 245-003, Rev A, Propeller Details
Coast Guard Drawing 87 WPB 256-001, Rev AC, Seawater Cooling Piping
Coast Guard Drawing 87 WPB 302-001, Rev W, Misc. Controls Wiring Diagram
Coast Guard Drawing 87 WPB 310-001, Rev H, Ship’s Service One-Line Diagram
Coast Guard Drawing 87 WPB 310-007, Rev A, Unmanned Spaces Ventilation modification Electrical vi (Rev-0)
Coast Guard Drawing 87 WPB 321-001, Rev K, Power System Deck Plan
Coast Guard Drawing 87 WPB 321-002, Rev AM, Power & Lighting Circuit Details & V.D. Calculations
Coast Guard Drawing 87 WPB 331-001, Rev R, Lighting System Deck Plan
Coast Guard Drawing 87 WPB 423-001, Rev W, Speed Log & Depth Sounder System
Coast Guard Drawing 87 WPB 514-001, Rev M, HVAC Duct & Piping Systems
Coast Guard Drawing 87 WPB 514-005, Rev E, Ventilation Mods to Unmanned Spaces
Coast Guard Drawing 87 WPB 521-002, Rev -, Fire Main Bleed Line Mod
Coast Guard Drawing 87 WPB 526-001, Rev J, Scuppers & Deck Drains Piping
Coast Guard Drawing 87 WPB 561-001, Rev M, Steering System Details
Coast Guard Drawing 87 WPB 562-001, Rev A, Rudder Details
Coast Guard Drawing 87 WPB 583-001, Rev W, RIB Deployment Structure
Coast Guard Drawing 87 WPB 583-001, Rev Y, RIB Deployment Structure
Coast Guard Drawing 87 WPB 593-001, Rev L, Sewage Piping
Coast Guard Drawing 87 WPB 601-001, Rev R, Outboard Profile & General Arrangements
Coast Guard Drawing 87 WPB 602-001, Rev F, Visual ID and Draft Mark Plan
Coast Guard Drawing 87 WPB 621-001, Rev K, Joiner Work Details
Coast Guard Drawing 87 WPB 621-001, Rev K, Jointer Work Details
Coast Guard Drawing 87 WPB 631-001, Rev P, Ship’s Painting Schedule
Coast Guard Drawing 87 WPB 633-001, Rev A, Cathodic Protection
Coast Guard Drawing 87 WPB 634-001, Rev G, Deck Covering and Details
Coast Guard Drawing 87 WPB 635-001, Rev C, Linings And Insulation Plan & Details
Coast Guard Drawing 87 WPB 640-001, Rev P, Interior Furnishings
Coast Guard Drawing 87 WPB 995-001, Rev -, Jigs and Fixtures for Shaft Installation
Coast Guard Fleet Drawing FL 2804-12, Rev -, U.S.C.G. Emblem
Coast Guard Fleet Drawing FL 2804-22, Rev A, Consolidated Visual ID for Cutters
COAST GUARD PUBLICATIONS
Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Colors Manual
Coast Guard Technical Publication (TP) 4499, Jun 2018, SWBS 243, Stern Tube Seal-Model 442C
Coast Guard Technical Publication (TP) 4500, Sep 2017, SWBS 233, Engine Change-Out Guide - Waterborne Main Diesel
Coast Guard Technical Publication (TP) 4500, September 2017, SWBS 233, Engine Change-Out Guide – Waterborne Main Diesel
Coast Guard Technical Publication (TP) 4506, Wartsila TM-EL-68839, Issue A, Mar 2005, Rudderstock Seal Type EL
Coast Guard Technical Publication (TP) 4559, SWBS 513, Oct 2019, Ventilation System, Engine Room
Coast Guard Technical Publication (TP) 4564A, Electronic Steering System
Coast Guard Technical Publication (TP) E-424-0230, SWBS 424, June 2006, Electromagnetic Log User’s Manual
Fire Prevention and Response
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements vii (Rev-0)
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Latest Version, General Requirements
Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes
Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Latest Version, Welding and Allied Processes
Surface Forces Logistics Center Standard Specification 5100 (SFLC Std Spec 5100), 2022, Clean Shipboard Ventilation Systems
Surface Forces Logistics Center Standard Specification 5550 (SFLC Std Spec 5550), Latest Version, Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures
Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), Latest Version, Requirements for Preservation of Ship Structures
Surface Forces Logistics Center Standard Specification 6341 (SFLC Std Spec 6341), 2022, Install Interior Deck Covering Systems
Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2022, Drydocking
Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2020, Temporary Services
OTHER REFERENCES
American Society for Nondestructive Testing (ASNT) SNT-TC-1A, 2016, Recommended Practice for Personal Qualification and Certification in Nondestructive Testing
American Society for Nondestructive Testing, SNT-TC-1A: Personnel Qualification and Certification in Nondestructive Testing, 2016
AN/SPS-73V Surface Search Radar (SSR), Sep 1998, Operation, Maintenance, and Installation Manual
ASTM International (ASTM) D1330, 2010, Standard Specification for Rubber Sheet Gaskets
ASTM International (ASTM) D1330, 2015, Standard Specification for Rubber Sheet Gaskets
ASTM International (ASTM) F992, 2006, Standard Specification for Valve Label Plates
Code of Federal Regulations (CFR) Title 29, Part 1915, Occupational Safety and Health Standards for Shipyard Employment
Commercial Item Description (CID) A-A-59313, Nov 2003, Thread Compound; Antiseize, Zinc Dust- Petrolatum
Commercial Item Descriptions (CID) A-A-59316, Nov 2016 Abrasive Materials for Blasting
Federal Standard (FED-STD) 595, 2008, Colors Used in Government Procurement
MIL-A-18001, Dec 2015, Anodes, Sacrificial Zinc Alloy (Commercially Accepted - ASTM B418)
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-A-46106b, Jun 1992, Adhesive-Sealants, Silicone, RTV, One-Component
MIL-D-16791, Jan 1993, Detergents, General Purpose (Liquid, Non-ionic)
MIL-PRF-24139, Mar 1987, Grease, Multipurpose, Water Resistant.
MIL-PRF-24613A, Nov 2007, Deck Covering Materials, Interior, Cosmetic Polymeric
MIL-PRF-24635, 2009, Coating Systems, Weather-Resistant, Exterior Use viii (Rev-0)
MIL-PRF-24647, Jan 2018, Paint System, Anticorrosive and Antifouling, Ship Hull
NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), July 2012, Requirements for Fabrication, Welding, and Inspection of Submarine Structure
Raytheon Marine Company, Jan 1992, Technical Manual, Radar Set Model R40X/R41X, AN/SPS-69, RMC Document Number G261404
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2013, Cork and Rubber Composition Sheet; for Aromatic Fuel and Oil Resistant Gaskets
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2019, 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), 2016, Solvent Cleaning
The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2012, Power-Tool Cleaning to Bare Metal
The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation Standard SSPC-SP 12/NACE No.5, 2002, Surface Preparation and Cleaning of Metals by Waterjetting Prior to Recoating
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
The Society for Protective Coatings (SSPC)/NACE-International (NACE) Joint Surface Preparation Standard SSPC-SP 10/NACE No. 2, 2007, Near-White Metal 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)
9 N Slip Resistant Sheets NSN: 7220-01-F11-2238 1 KT 5,352.24
14 Y *Alignment jig N/A 1 ea. ---- 15 N Thordon bearing, Grade Orange (5.5" OD x 4" ID x 7.87"
(200mm) LG)
PN: F54615-02-8-1 NSN: 3120-
21-914-2012
2 ea. 525.03
16 N Thordon bearing, Grade Orange (5.5" OD x 4" ID x 11.41"
(290mm) LG)
PN: F54615-02-8-0 NSN: 3120-
21-914-2011
2 ea. 558.05
17 N **Intermediate bearing carrier
NSN: 3130-01-F11-2388 P/N:
87 WPB 243-001, Item 17
2 ea. 591.86
18 N **Aft bearing carrier NSN: 3130-01-F11-2200 PN:
87 WPB 243-001, Item 14
2 ea. 1931.31
19 Y Propeller Shaft NSN: 2010-01-458-9175 2 ea. 10,195.95 19 N Seal Assembly, Shaft NSN: 4320-01-670-5724 PN:
388725 2 ea. 6801.00
19 N Kit Rebuild, Inflatable Seal
NSN: 5330-01-F18-5385 PN:
390831
2 ea. 1381.00
19 Y *Alignment Kit N/A 1 set 5000.00 21 Y Starboard Propeller
(RH)
PN: 706-3351.00 RH NSN:
2010-01-457-0573 1 ea. 9153.07
21 Y Port Propeller (LH) PN: 706-3350.00 LH NSN:
2010-01-459-0421
1 ea. 9542.05
21 N *Propeller Nut Wrench N/A 1 ea. 200.00 21 N Propeller Nut PN: 5317350 NSN: 2010-01-
458-9217 2 ea. 322.07
21 N Propeller Nut, Locking PN: 5317355 NSN: 5310-01- 458-9125
2 ea. 285.10
21 N Anode, Propeller Nut PN: 87WPB243001ITEM39
NSN: 5342-01-481-8403
2 ea. 153.06
23 N Transducer, sonar PN: SS60SLD NSN: 5845-01- 618-8996
1 ea. 328.72
24 N 3" Ball Valve NSN: 4810-01-517-8110 PN:
LV071A
1 ea. 5625.00
24 N **Doppler Speed Log Measurement Rod
NSN: 6605-01-470-1266 1 ea. 4984.63
25 N **Fan, Tube Axial NSN: 4140-01-598-0425 1 ea. 2,223.72 25 N **Fan, Tube Axial NSN: 4140-01-598-1549 1 ea. 3,091.15 27 N Iron body/ Stainless steel stem/ bronze disk (flanged) 8 inch
PN: J022929-512431A NSN:
4820-01-613-5021
2 ea. 563.25 x (Rev-0)
27 N Iron body/ Stainless steel stem/ bronze disk
(wafer) 8 inch
PN: 22929-112431A NSN:
4820-01-615-9571
2 ea. 521.46
27 N Iron body/ Stainless steel stem/ bronze disk
(flanged) 3 inch
PN: 22925-5124 NSN: 4820-
01-650-0975
2 ea. 226.51
27 N Iron body/ Stainless steel stem/ bronze disk
(wafer) 3 inch
PN: 22925-1124316 NSN:
4820-01-332-6811
2 ea. 214.14
28 Y Rudder Assembly, port NSN: 2040-01-461-1944 1 ea. 6113.36 28 Y Rudder Assembly, starboard NSN: 2040-01-461-1943 1 ea. 5971.93
28 N Upper Roller Bearing NSN: 3110-01-512-5534 2 ea. 287.43 28 N Wartsila EL Seals Kit PN: H75492-01 NSN: 2040-01-
565-9776 2 ea. 7243.42
28 N Lower Bearing PN: TBF113090 NSN: 3120- 20-000-7677
2 ea. 405.81
29 N **Valve, Counterbalance
PN: CBCA-LAN/AP NSN:
4820-01-687-1295
4 ea. 291.50
29 N **Manifold, Valve PN: YVY NSN: 4730-01-687-
2 ea. 134.30
34 N Anode, corrosion preventive
PN: 899Y105 NSN: 5342-00-
813-6058
15 ea 57.37
35 Y *Transducer Cover Plate
N/A 2 ea. 50.00
38 N ***Window, marine (Pos 15)
NSN: 2090-21-914-9461 1 3,350.13
38 N ***Window, marine (Pos 16)
NSN: 2040-21-914-9462 1 3,723.50
40 N **Panel, Deck, 5/8"x48"x96", Aluminum 5052-H32 Core, 1/4" Cell, 0.063" 6061-T6 Face Sheets, Natural Mill Finish
NSN: 2040-01-F19-5621 PN:
SPXC-1000-1000D
1 Ea. $654.00
*Government-loaned property, which shall be returned to the vessel upon completion of the availability.
**New or refurbished equipment that the Government may provide for installation in place of existing equipment.
***Government-furnished property, which is to be supplied by either the vessel or the C4IT ServiceCenter xi (Rev-0)
CONSOLIDATED LIST OF CRITICAL INSPECTION ITEMS
The following is a list of work items, which contain Critical Inspection reports, which the Contractor must complete within the first 25% of the availability contract period (see SFLC Std Spec 0000, paragraph 3.2.6.5 (Inspection report particulars)):
Work Item
Title
4 U/W Body, Preserve, 100 percent
19 Propulsion Shafts, Renew
27 Sea Water System, Perform Maintenance
28 Rudder Assemblies, Renew
29 Stern Launch Door, Remove, Inspect and Reinstall
35 Drydock
39 Critical Coated Surface(s), Preserve xii (Rev-0)
PRINCIPAL CHARACTERISTICS
87' WPB
PHYSICAL
Length overall 87' Length between perpendiculars 81' 7" Depth 10' 11" Maximum beam 19.4' Draft, mean to design waterline 5' 9" Height of highest projection 50.2' Full load displacement 93.5 long tons Minimum operating displacement 83.9 long tons Displacement, light ship 77.9 long tons Framing Longitudinal Bulkheads Four watertight bulkheads located below the Main Deck Anchor 40 lb Fortress with 480 ft. 3 strand 5/8" dia. Line stayset
HULL
Hull/main weatherdeck material ABS Grade AH 36 Superstructure 5086 Aluminum
MACHINERY
Main propulsion Two MTU 8V396TE94, sequential turbo-charged diesels Reduction gears Two ZF Type BW 255 Propulsion shaft Two AQUAMET 22, 101.6mm Shaft diameter 4" Shaft seal Two John Crane mechanical seals Shaft bearing, intermediate Thordon Elastomeric Bearing Shaft bearing, aft Thordon Elastomeric Bearing Number of propellers 2 Number of blades 5 Diameter of propeller 1040mm Pitch 1230 mm fixed Shaft RPM 828 Rudders Two 316L Stainless Steel Ship's service generators Two Man Model D08241F01 diesel with Stanford 60KW Generator
TANK CAPACITIES
3-9-1-f (fuel oil) 1402 gal 3-9-2-f (fuel oil) 1402 gal 3-12-2-f (waste oil) 86 gal 3-12-1-f (oily water) 86 gal 3-7-0-q (sewage collection) 352 gal 3-7-1-q (grey water) 52 gal 3-12-1-w (fresh water) 200 gal 3-12-2-w (fresh water) 200 gal
1 (Rev-0)
00000_0824_FLT
REC_00000_FLT_Commercial Project @ Contractor’ Facility (0121)
General Requirements
1. SCOPE
1.1 Intent. This standard specification invokes general requirements for conducting vessel repairs performed at a commercial contractor’s facility for Coast Guard vessels.
1.2 Term interchangeability. The terms 'Contractor', 'CG Yard', 'NAVSTA EVERETT', 'shipyard', 'Base', and 'Coast Guard Industrial' are used interchangeably in this specification. Where the primary service provider is Coast Guard personnel, references to contractor and other noted descriptors within this specification or within drawings, publications, SFLC Standard Specifications or other commercial and military references are deemed the same as prime service provider.
2. REFERENCES
COAST GUARD DRAWINGS
None
COAST GUARD PUBLICATIONS
Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Coatings and Color Manual
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Latest Version, General Requirements
Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Latest Version, Welding and Allied Processes
Surface Forces Logistics Center Standard Specification 5550 (SFLC Std Spec 5550), Latest Version, Fire Prevention and Response
Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), Latest Version, Requirements for Preservation of Ship Structures
OTHER REFERENCES
Code of Federal Regulations (CFR) Title 29, Part 1915, Occupational Safety and Health Standards for Shipyard Employment
NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), July 2012, Requirements for Fabrication, Welding, and Inspection of Submarine Structure
2 (Rev-0)
3. REQUIREMENTS
3.1 General. The Contractor must conform to all requirements specified in SFLC Std Spec 0000 and in this item, as applicable, during the performance of this availability. The requirements in this WI applies to all work under the scope of this contract, whether explicitly stated in all following work items or not, and to all other work subsequently authorized by changes, modifications, or extensions to the contract.
3.1.1 The Contractor must conform to all requirements specified in SFLC Std Spec 5550 and in the Fire Protection and Response work item, as applicable, during the performance of this availability.
3.1.1.1 Fire Safety Plan submission. The Contractor must submit a copy of the CFR 1915, Subpart P, Fire Safety Plan with the Contractor’s bid when work will be conducted in a Contractor–owned facility. Include any MOA(s) with local firefighting facilities.
3.1.1.2 Fire Plan submission. The Contractor must submit a copy of the developed availability specific fire plan as requested in the Fire Protection and Response work item, with the Contractor’s bid.
3.1.1.3 SFLC-PBPL Availabilities (87 WPB, 110 WPB, & 154 WPC). The Contractor must conform to SFLC Std Spec 5550 with the following amendments and supplements:
For contracts executed at a Contractor’s facility, submit (pre-award) the facility’s Fire Safety Plan document described in 29 CFR 1915.502 – “Fire Safety Plan”. For planning assume that Coast Guard personnel will not be available to fight a fire.
For all contracts at all facilities, submit the following information pre-award, taking into consideration how the maintenance/repairs specified in the work items will affect uninterrupted operation of the subject systems;
make all necessary amendments to this submission after discussions with the COR at the arrival conference and during contract execution as emerging conditions warrant:
Describe all anticipated needs for fire detection/alarm, fire-fighting, and shipboard lighting and communication systems supplementation (see below) and a description of the proposed remedies/solutions (include pricing for maintaining capability in pre-award quote).
o Describe how any required temporary/supplemental fire detection/alarm systems will notify fire responders.
o Describe all anticipated breaches of the cutter’s Fire Protection Boundaries and the proposed temporary solutions that will minimize impact on the Fire Protection Boundary’s proper function (e.g. removal of cables/hoses/etc. at the end of work day or installation of quick disconnects, installation of temporary fire curtains, etc.).
Whenever maintenance/repairs described in work items or Change Requests necessitate securing, or making inoperable, all or part of the vessel’s fire detection or fire alarm system, submit a proposal to the COR/KO describing an equivalent method(s) for temporarily maintaining all lost functionality of the system(s). Select the most economical option(s) available (i.e. for extended loss of service of the entire system the temporary fire detections/alarm system described in SFLC Std Spec 5550 may be the best option, for shorter durations temporary watch standers may be more economical, etc.). After the COR has agreed to the proposal, maintain the capability of these systems for the duration of the contract to the greatest practicable extent.
Whenever maintenance/repairs described in work items or Change Requests necessitate securing, or making inoperable, all or part of the vessel’s firefighting (e.g. fire main system, P100 and other dewatering systems, halon systems, portable fire extinguishers, etc.), lighting, and communications systems, submit a proposal to the COR/KO describing equivalent method(s) for temporarily maintaining all lost functionality of the system(s). Select the most economical option(s) available. After the COR has agreed to the proposal, maintain fire detection/alarm/fighting and lighting/communications capability for the duration of the contract to the greatest practicable extent.
3 (Rev-0)
All Fire Protection Boundaries must be left intact and functional at all times to the greatest practicable extent.
Notify the COR in writing whenever a breached Fire Protection Boundary will be left unattended outside of normal working hours (e.g. a door/hatch is made un-closable/un-securable due to repair work, an access cut is made into deck/bhd that is part of a Fire Protection Boundary, etc.). When a Fire Protection Boundary must be breached to facilitate contract work, minimize the impact using industry-standard methods (e.g. fire curtains, quick-disconnect fittings, etc.).
NOTE
NAVSEA drawings listed will be available FOR INSPECTION ONLY from the Coast Guard Port Engineer post-award. SFLC will not redistribute NAVSEA documents.
Contractors can apply to NAVSEA headquarters directly for copies.
3.2 Contractor-provided fire watch personnel. The Contractor must provide fire watch personnel and equipment.
3.3 Preservation requirements. The Contractor must accomplish all preservation tasks, including touch-ups, in accordance with SFLC Std Spec 6310.
3.3.1 Brand name approval. Ensure that all contractor-furnished coatings are in accordance with SFLC Std Spec 6310, Appendix C (Authorized Coatings for Use on Cutters and Boats).
3.3.2 Coating colors and system color schemes. The Contractor must obtain a written KO authorization to deviate from any coatings required in SFLC Std Spec 6310 Appendix C before work.
3.3.3 In-process quality control measures. The Contractor must abide by all the safety, preservation, and quality control requirements specified in SFLC Std Spec 0000, paragraph 3.2.4.2 (In-process QC measures for “critical-coated surfaces”).
3.3.3.1 Quality control requirements. The Contractor must abide by the following when performing preservation related inspections. The following measurements must be randomly spaced throughout for the purposes of providing a representation of the entire prepared or coated surface.
3.3.3.1.1 Surface profile measurements. One surface profile measurement must be taken for every 200 square feet for the first 1000 square feet; for each additional 500 square feet or less, one profile measurement must be taken.
Profile measurements must be taken in accordance with SFLC Std Spec 6310, paragraph 3.1.8.3 (Surface profile measurements). A “measurement” for surface profile is defined as follows:
ASTM D4417, Method B: One profile measurement is the average (mean) of 10 individual readings.
ASTM D4417, Method C: One profile measurement is the average (mean) of 2 individual readings.
3.3.3.1.2 Soluble salt conductivity measurements. 5 conductivity measurements must be taken every 1000 square feet. For submerged (immersed) applications conductivity measurements must not exceed 30 microsiemens/cm.
For non-submerged (non-immersed) applications conductivity measurements must not exceed 70 microsiemens/cm. If a conductivity check fails, clean the surface in accordance with SFLC Std Spec 6310, paragraph 3.1.8.5 (Soluble salt removal).
3.3.3.1.3 Coating thickness measurements. Three area measurements must be taken for the first 1000 square feet;
for each additional 1000 square feet, perform an additional area measurement. A “measurement” for coating thickness is defined as follows:
SSPC-PA 2 defines an area measurement as 5 separate spot measurements randomly spaced throughout a 100 square foot area.
SSPC-PA 2 defines a spot measurement as 3 gage readings and each new gage reading the probe must
4 (Rev-0) be moved to a new location within a 1.5-inch diameter circle defining the spot.
3.4 Welding and brazing requirements. The Contractor must perform all welding and allied processes, and NDE in accordance with SFLC Std Spec 0740.
3.4.1 HY-130 material substitution. The Contractor must be aware that HY-130 steel plating is no longer commercially available. For the purpose of performing flight deck repairs on US Coast Guard WMEC-270 “B- Class” cutters, Weldox 900 steel plating has been approved as a replacement for HY-130. Due to the similarity in material properties and weldability of HY-130 and Weldox 900, all welding procedures and welder qualifications for welding Weldox 900 must be the same as those outlined in NAVSEA TP 1688 as applicable for welding HY- 130.
3.4.2 Standard spec modification. For any welding involving HY-130 on the flight deck of WMEC-270 “B-Class” cutters, perform all welding and allied processes, and non-destructive evaluation (NDE) in accordance with NAVSEA TP 1688. The Contractor must be aware that the welding requirements specified in this document take precedence over paragraph 3.3.6 of SFLC Standard Spec 0000 for the purpose of welding involving HY-130.
3.4.3 Approval to weld HY-130. To obtain Coast Guard approval to weld on HY-130 steel for WMEC-270 “B- Class” cutters, the Contractor must provide written Performance Qualification Records (PQR’s) for each process to be used. The PQR’s must be approved by one of the regulatory agencies affirming that the WPS meets the welding requirements of NAVSEA TP 1688. In addition, the Contractor must ensure that all subcontractors, prior to performing welding operations, have qualified procedures by meeting all the requirements set forth in this document.
NOTE
NAVSEA approval is NOT required for welding procedures submitted but the procedures must be reviewed and shown to satisfy the requirements set forth in NAVSEA TP 1688, by a welding regulatory agency. The requirements for welding Weldox 900 are considered the same as those for welding HY-130.
3.5 Environmental protection requirements. The Contractor must adhere to the following environmental protection requirements in accordance with the SFLC Stand Spec 0000:
3.5.1 Contractor operated (non USCG) facilities. The Contractor must provide and maintain environmental protection as defined in SFLC Std Spec 0000 Appendix A, Requirements for Environmental Protection at Contractor Operated (Non USCG) Facilities, as applicable, during the performance of this availability. Contractor must plan for and provide environmental protective measures to control pollution that develops during normal practice, as well as plan for and provide environmental protective measures required to correct conditions that develop during the project. Contractor must comply with applicable Federal, state, and local laws, codes, ordinances, and regulations in their entirety. Any reference to a specific portion of a Federal, state, or local law, code, ordinance, or regulation in this or any other item must not be construed to mean that relief is provided from any other sections of the law, code, ordinance, or regulation.
3.5.2 Test and procedures. The Contractor is required to promptly conduct tests and procedures for the purpose of assessing whether operations are in compliance with applicable Environmental Laws. Analytical work must be done by qualified laboratories; and where required by law, the laboratories must be certified.
3.5.3 Regulatory notifications. The Contractor is 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
5 (Rev-0)
Contractor must submit copies of all regulatory notifications to the Contracting Officer and the local Facility Engineer or Engineering Officer prior to commencement of work activities. Regulatory notifications must be provided for including but not limited to demolition, renovation, National Pollutant Discharge Elimination System (NPDES) defined site work, and remediation of controlled substances such as asbestos, hazardous waste, and lead paint.
3.5.4 Environmental manager. The Contractor must appoint in writing an Environmental Manager for the project, who is responsible for coordinating Contractor compliance with Federal, State, local, and station environmental requirements. The Environmental Manager must ensure compliance with Hazardous Waste Program requirements, including hazardous waste handling, storage, manifesting, and disposal; implement the Contractors’ Environmental Management Plan; ensure that all environmental permits are obtained, maintained, and closed out;
ensure compliance with Storm Water Program Management requirements; ensure compliance with Hazardous Materials including storage, handling, and reporting requirements; as well as coordinate any remediation of regulated substances such as lead, asbestos, and polychlorinated biphenyl (PCB). This may be a collateral position; however the individual must be trained to accomplish the following duties; ensure waste segregation and storage compatibility requirements are met; inspect and manage Satellite Accumulation areas; ensure only authorized personnel add wastes to containers; ensure all Contractor personnel are trained in 40 CFR requirements and individual position requirements; coordinate removal of waste containers; and maintain the Environmental Records binder and required documentation, including environmental permits compliance and close-out.
3.5.5 HW disposal. Contractor must comply with SFLC Std Spec 0000 Appendix A, Requirements For Environmental Protection At Contractor Operated (Non USCG) Facilities for HW disposal.
3.6 Local Policy. The Contractor must refer to site (e.g., Base) Regulations and Instructions for details regarding local policies (e.g., crane services, parking, or facility usage).
3.7 SFLC Standard Specification approved changes. Approved updates to the 2022 SFLC Standard Specifications will appear here.
3.7.1 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.
6 (Rev-0)
QA-1 - QUALITY ASSURANCE INSPECTION FORM
(PRESERVATION CHECKLIST)
VESSEL NAME HULL # WORK ITEM
WORK ITEM TITLE
LOCATION OF WORK (INCL. FRAME #’S) AREA (SQFT)
CHECKPOINT 1 – COATING SYSTEM COMPLIANCE
Ensure all coatings are in compliance with SFLC Std Spec 6310, Appendix C.
CHECKPOINT 2 - PAINT STORAGE
Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating mfg.
CHECKPOINT 3 - AMBIENT CONDITIONS
Ensure surface and surrounding temperatures are each between 50 and 90°F for water-containing coatings, and 35 and 95°F for other coatings, unless otherwise specified by the coating manufacturer(s).
Ensure maximum relative humidity (RH) is as follows, from surface preparations through final curing of topcoat: 50% for tanks, voids, and vent plenum; and 85% for all other areas, unless otherwise specified by manufacturer(s).
Ensure surface temperature is at least 5°F above the dew point, unless otherwise specified by the coating mfg.
CHECKPOINT 4 - PRE-SURFACE PREPARATION
Remove surface contaminants (soluble salts, loose rust, mud, and marine growth) with low pressure fresh water wash down (maximum 5,000 psi). If oil and grease are present, perform solvent cleaning, as per SSPC SP-1.
Verify equipment setup, blast media, and surface preparation methods match designated test coupon.
CHECKPOINT 5 - SURFACE PREPARATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure cleanliness of prepared surface is as per specification (i.e.: SSPC SP-11, SP-10, SP WJ-2…).
Verify surface anchor profile using ASTM D4417-Methods B or C against SFLC Std Spec 6310. Conduct profile readings at a minimum of 5 locations for the first 1000-sqft area, and 2 locations for each succeeding 1000-sqft area.
Measure soluble salt conductivity in accordance with SSPC-Guide 15. Conduct 5 measurements per each 1000-sqft area (max. threshold: 70 microsiemens/cm for non-submerged surfaces, 30 microsiemens/cm for submerged surfaces).
CHECKPOINT 6 - PRIMER COAT APPLICATION
Verify environmental conditions (see CHECKPOINT 3).
Verify proper mixing and stand-in (induction) times.
Ensure no paint is applied when the temperature is expected to drop to freezing before the paint has dried.
Ensure surfaces are completely dry, unless otherwise allowed by the coating manufacturer(s).
Verify wet film thickness (WFT) at random, to prevent under or over application. Verify final DFT.
Brush out all runs, sags, drips, and puddles.
Perform visual inspection for holidays and other defects.
CHECKPOINT 7 – STRIPE COAT APPLICATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure overcoating window is as per manufacturer’s instructions.
After primer coat (mist coat after inorganic zinc), brush-apply un-thinned coat of same primer paint over edges, weld seams, cut-outs, and areas of complex geometries @ 3-4 mils wet film thickness (WFT).
CHECKPOINT 8 – TOP COAT APPLICATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure overcoating window is as per manufacturer’s instructions.
Verify proper mixing and stand-in (induction) times, as applicable.
Verify wet film thickness at random, to prevent under or over application.
Brush out all runs, sags, drips, and puddles.
CHECKPOINT 9 – FINAL INSPECTION
Verify final system dry film thickness. Conduct 5 sets of 3 readings for each of the first 3 100-sqft areas, followed by 5 sets of 3 readings for each succeeding 1000-sqft area.
Ensure that system cure is in accordance with manufacturer's recommendation for intended service.
Ensure potable water tank exhaust ventilation is maintained continuously from and during coating application through final system cure, to exhaust all solvent to the atmosphere and to prevent solvent entrapment.
For immersion coatings (including tank U/W body), record date and time of the following events:
Final coat application: _____/_____; Return to service or removal from environment controls: _____/_____
CHECKPOINT 10 – RECORD KEEPING
Complete, sign, and submit all provided QA Inspection Forms.
NAME OF QP-1/AMPP INSPECTOR SIGNATURE CERT. # DATE / TIME
NAME OF CG REPRESENTATIVE SIGNATURE UNIT DATE/TIME
7 (Rev-0)
QA-2 - QUALITY ASSURANCE INSPECTION FORM
(ENVIRONMENTAL READINGS)
VESSEL NAME HULL #
WORK ITEM
Use one sheet for each activity. Record conditions every four hours from before surface preparation to application of final coating system coat.
DATE
TIME
ACTIVITY (SURFACE
PREPARATION, PRIMER COAT,
BARRIER COAT, TOP COAT,
ETC…)
LOCATION (FRAME &
DECK, RELATION TO
EQUIPMENT, ETC.)
TEMPERATURE % REL.
HUMID-
ITY
DEW
PT.
SURFACE AMBIENT ΔT
| DP -
SURFACE |
8 (Rev-0)
QA-3a - QUALITY ASSURANCE INSPECTION FORM
(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-C)
VESSEL NAME HULL # WORK ITEM
LOCATION OF WORK (FRAME REFERENCES) AREA (SQFT)
SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)
MIN MAX MEAN
SSPC-SP-10/AMPP No. 2
SSPC-SP WJ-2/AMPP WJ-2
SSPC-SP-3
SSPC-SP-11
SSPC-SP-11 (inaccessible area) Brush-blasting (non-metallic substrate)
ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:
PLACE SURFACE PROFILE REPLICA TAPES IN THE SPACES PROVIDED BELOW, TO SERVE AS
PERMANENT QA RECORD. MAINTAIN A SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS
DIVIDED INTO SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
MEAN MIL READING (IAW ASTM D4417-METHOD C) FOR ABOVE 15 READINGS:
NAME OF QP-1/AMPP INSPECTOR SIGNATURE CERT. # DATE /
TIME
9 (Rev-0)
QA-3b - QUALITY ASSURANCE INSPECTION FORM
(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-B)
VESSEL NAME HULL # WORK ITEM
SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)
MIN MAX MEAN
SSPC-SP-10/AMPP No. 2
SSPC-SP WJ-2/AMPP WJ-2
SSPC-SP-3
SSPC-SP-11
SSPC-SP-11 (inaccessible area) Brush-blasting (non-metallic substrate)
ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:
RECORD MEASUREMENTS TAKEN IN THE SPACES PROVIDED BELOW, TO SERVE AS PERMANENT QA
RECORD. MAINTAIN SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS DIVIDED INTO
SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Mean Mils Reading (IAW ASTM D4417-Method B for above 10 readings (by column):
Mean Reading (mils)
10 (Rev-0)
QA-4 - QUALITY ASSURANCE INSPECTION FORM
(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)
VESSEL NAME HULL # WORK ITEM
SOLUBLE SALT CONDUCTIVITY MEASUREMENTS IAW SSPC-GUIDE 15.
DATE TEST LOCATIONS CONDUCTIVITY (MICROSIEMENS/CM)
11 (Rev-0)
QA-5 - QUALITY ASSURANCE DATA FORM
(COATING THICKNESS)
(Use one sheet for each sequence)
VESSEL NAME HULL #
WORK ITEM
COATING MFG PRODUCT NAME
BATC
H #
INDUCTI
ON TIME
COATING SYSTEM
SEQUENCE
(PRIMER/TOUCHUP/3RD
COAT, ETC.)
DRY FILM THICKNESS (DFT) MEASUREMENTS IAW SSPC-PA 2.
SPOT 1 2 3 4 5
AVERAGE
VALUE
*BASE METAL READING
(BMR)
*Required, If Magnetic Pull-Off (Type I/Banana) Gauge Is Used.
LOCATION (FRAME REFERENCE):
SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS
1 AVG. BMR DEVIATION
3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS
AVG.
LOCATION (FRAME REFERENCE):
SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS
1 AVG. BMR DEVIATION
3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS
AVG.
LOCATION (FRAME REFERENCE):
SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS
1 AVG. BMR DEVIATION
3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS
AVG.
APPLICATION METHOD (AIRLESS,
CONVENTIONAL SPRAY, ROLLED)
AVERAGE DFT
12 (Rev-0)
4.2 Tank and Void Assessment form.
13 (Rev-0)
14 (Rev-0)
10000_NET_0523_87WPB
WORK ITEM 1: Structural Analysis, 3D Laser Scan, Perform
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to perform 3D laser scan of the cutter’s exterior hull shell, deck and dock floor locations/deformations and provide results in 3D CAD format.
1.2 Government-furnished property.
None
2. REFERENCES
COAST GUARD DRAWINGS
Coast Guard Drawing 87 WPB 085-013, Rev B, Docking Plan
Coast Guard Drawing 87 WPB 111-001, Rev H, Shell Expansion
Coast Guard Drawing 87 WPB 601-001, Rev R, Outboard Profile & General Arrangements
COAST GUARD PUBLICATIONS
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements
OTHER REFERENCES
None
3. REQUIREMENTS
3.1 General.
3.1.1 CIR.
None.
3.1.2 Tech Rep. The Contractor must provide the services of a Qualified Technical Representative who has the experience and knowledge to conduct a three-dimensional laser scan model identifying hull and deck deformations in 3D CAD format.
3.1.2.1 Ensure the Tech Rep has experience with the system/equipment stated above and demonstrated on
15 (Rev-0) their résumé.
3.1.2.2 Submit the name and résumé of the Tech Rep to the COR at the Arrival Conference
3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).
3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences).
NOTE
The USCG conducts structural analysis efforts requiring accurate measurement of the hull shape including both global and local deformations.
Measurements of hull global and local deformations are evaluated relative to the design hull lines is a key part of this hull strength analysis and implications on shafting alignment.
3.2 Three dimensional laser scan. The Contractor must perform a 3D laser scan of the cutter’s hull (sides, bottom and transom), shaft skegs (and shafting if in place) and the dock floor to obtain the 3D point cloud and provide a registered, reduced point cloud data set.
3.2.1 The 3D laser scan point cloud accuracy must be within +/- 2 mm local scans and 5mm global scan alignment for the hull and deck surfaces. A point cloud reduction process must be conducted to determine the shell plating deformations including an average of the deck nonskid covering to show the underlying plate deformations by averaging points over a 20 mm grid on the hull. The point cloud of hull appendages must be reduced over a 1mm grid.
3.2.1.1 The Contractor must convert the 3D laser scan (3D Point cloud) to a point cloud format that can be used in Rhino 3D version 5.0. The Contractor must digitally remove staging interferences located around the hull of the Cutter.
3.2.1.2 The Contractor must compare the measured 3D point cloud and meshed surfaces to the hull lines based NURBS surface developed by US Coast Guard SFLC to determine dimensional deviations from the lines based NURBS surface. The dimensional deviations must be rendered in the Rhino 3D in 1mm increments and colors to show the dimensional gradients. The Contractor must position the hull relative to the 3D hull surface in coordination with the US Coast Guard.
3.3 Report. The Contractor must provide a neatly organized model using layers and color contour images of the surface comparisons. The Contractor must provide the 3D point cloud in Rhino 3D 5.0 format files and deliver them in electronic format by ftp or mailed CDs to the USCG within 2 weeks after conducting the 3D Laser Scan.
3.3.1 The report must include all photographs, illustrations, charts, graphs, tables, calculations, text, analyses, algorithms, conclusions and recommendation deliverables developed as a part of this project.
The Coast Guard will review the report, and may provide feedback or conduct discussions with the Contractor prior to acceptance.
3.3.2 The report must be delivered to USCG with a document cover letter to the following address:
Commanding Officer (SFLC-ESD-NAME)
16 (Rev-0)
USCG Surface Forces Logistics Center (Mail Stop 25)
2401 Hawkins Point Road
Baltimore, MD 21226-5000
Attn: Mr. Karl Stambaugh
3.3.3 Data rights. All data regardless of form or medium must be the sole property of the US Coast Guard and must not be released without the written consent of the US Coast Guard.
4. NOTES
This section is not applicable to this work item.
17 (Rev-0)
11000_NET_0523_87WPB
WORK ITEM 2: Hull Plating (Side Scan), Ultrasonic Testing
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to perform thickness measurements of the underwater (u/w) body and freeboard by ultrasonic side scan method.
1.2 Government-furnished property.
None.
2. REFERENCES
COAST GUARD DRAWINGS
Coast Guard Drawing 87 WPB 085-013, Rev B, Docking Plan
Coast Guard Drawing 87 WPB 111-001, Rev H, Shell Expansion
Coast Guard Drawing 87 WPB 111-050, Rev A, Updates to DWG 87-WPB-111-001 Exhaust Port Insert Plate Installation and Details
COAST GUARD PUBLICATIONS
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements
OTHER REFERENCES
American Society for Nondestructive Testing (ASNT) SNT-TC-1A, 2016, Recommended Practice for Personal Qualification and Certification in Nondestructive Testing
3. REQUIREMENTS
3.1 General.
3.1.1 CIR.
None.
3.1.2 Tech Rep.
Not applicable.
18 (Rev-0)
3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).
3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the following:
Hull zinc anode system
Docking blocks
3.2 Work coordination and preparation. The Contractor must plan all specified vessel work detailed in this specification package to ensure the side scan survey does not necessitate a work stoppage. The Contractor must abide by the following guidance, to facilitate the ultrasonic survey:
Ensure that all freeboard and 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 to ensure 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 hull surface inspection areas that are five feet above ground level.
After completion of the hull survey, and authorized hull repairs, resume/complete freeboard and u/w body preservation process.
Pay close attention to manufacturer’s recommended practices in regards to paint system overcoat time…
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