BAYBERRY _Specification.doc
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Specification for dry-dock repair of Coast Guard Cutter BAYBERY.
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USCGC BAYBERRY (WLI 65400)
SPECIFICATION FOR DRYDOCK REPAIRS
FY2016
Developed By: Raymond L Murray (Rev-0, 18 November 2015)
TABLE OF CONTENTS
ivRevisions Record vConsolidated List of References ixConsolidated List of Government-furnished Property xConsolidated List of Critical Inspection Items xiPrincipal Characteristics - TENDER
1General Requirements
11WORK ITEM 1: Hull Plating (Side Scan), Ultrasonic Testing
15WORK ITEM 2: Hull Plating (U/W Body), Inspect
19WORK ITEM 3: Appendages (U/W), Leak Test
22WORK ITEM 4: Propulsion Shaft Rope Guards, Inspect and Repair
25WORK ITEM 5: Appendages (U/W) - Internal, Preserve
27WORK ITEM 6: Propulsion Shafting, Remove, Inspect, and Reinstall
32WORK ITEM 7: Propulsion Shafting, Optical or Laser Alignment Check
35WORK ITEM 8: Propulsion Shaft Bearings (External), Renew
38WORK ITEM 9: Propeller, Minor Repairs and Reconditioning, Perform
42WORK ITEM 10: Main Diesel Engine (MDE) Exhaust Piping, Commercial Clean
45WORK ITEM 11: Ship Service Diesel Generator (SSDG) Exhaust Piping, Commercial Clean
48WORK ITEM 12: Boiler Exhaust Stack Uptakes, Commercial Clean
51WORK ITEM 13: Sea Valves and Waster Pieces, Overhaul or Renew
56WORK ITEM 14: Sea Strainers - Duplex (All Sizes), Overhaul
60WORK ITEM 15: Compressed Air Receivers and System Valves (All), Clean, Inspect, Hydro and Lift - Tender
65WORK ITEM 16: Rudder Assembly; Remove, Inspect and Reinstall
70WORK ITEM 17: Rudder Stock Bearings Clearances, Check
74WORK ITEM 18: Hull Fittings (Weight Handling Rigging Hardware), Inspect and Test
77WORK ITEM 19: Mechanical Chain Stoppers, Inspect and Service
80WORK ITEM 20: Grey Water Holding Tank(s), Clean and Inspect
84WORK ITEM 21: Sewage Holding Tank(s), Clean and Inspect
88WORK ITEM 22: Decks – Exterior (Buoy or Construction Deck), Preserve 100%
91WORK ITEM 23: Hull Plating Freeboard, Preserve “100%”
94WORK ITEM 24: Cathodic Protection / Zinc Anodes, Renew «ASSET»
97WORK ITEM 25: Drydock
101WORK ITEM 26: Temporary Services, Provide - Tender
104WORK ITEM 27: Sea Trial Performance, Support, Provide
108WORK ITEM 28: Lead-Based Paint, 100% Abatement, Perform
112WORK ITEM 29: Hull Plating (Freeboard), Ultrasonic Testing
114WORK ITEM 30: Tanks (MP Fuel Stowage and Overflow), Clean and Inspect
118WORK ITEM 31: Tanks (MP Fuel Service), Clean and Inspect
122WORK ITEM 32: Tanks (Potable Water), Clean and Inspect
126WORK ITEM 33: Forward Peak Compartment, Preserve
129WORK ITEM 34: Tanks (Potable Water), Preserve “100%”
133WORK ITEM 35: Tanks (Potable Water), Preserve “Partial”
137WORK ITEM 36: Hull and Structural Plating (General) -10.2-Pound Steel, Repair
139WORK ITEM 37: Hull and Structural Plating (General) – 7.65-Pound Steel Plate, Repair
141WORK ITEM 38: Hull and Structural Plating (General) - Cracked Steel Welds, Repairs
143WORK ITEM 39: Hull and Structural Plating (General) - Degraded Weld (Steel), Repair
145WORK ITEM 40: Propulsion Shafting, Straighten
147WORK ITEM 41: Fathometer Transducer, Renew
151WORK ITEM 42: Tanks (Sewage Holding), Preserve “100%” (O)
154WORK ITEM 43: Tanks (Sewage Holding), Preserve “Partial”
157WORK ITEM 44: U/W Body, Preserve (100%)
161WORK ITEM 45: Propulsion Shaft Seals, Mechanical & Inflatable, Overhaul and Renew
166WORK ITEM 46: Weight Handling Gear, Inspect and Service
171WORK ITEM 47: Drain Piping, Forepeak Tank Scuttle, Install
176WORK ITEM 48: Forward Peak Compartment Structural Member, Renew
179WORK ITEM 49: 01 Deck Handrail Stanchions, Repair
183WORK ITEM 50: Various Hull Plating, Renew
186WORK ITEM 51: Soft Patch Deck Drain Piping, Renew
191WORK ITEM 52: Gooseneck Ventilation Pipes, Renew, Inspect, and Preserve
197WORK ITEM 53: Stern Tubes and Strut Barrels, Renew
203WORK ITEM 54: Propeller, Remove, Inspect, and Reinstall
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.
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 65 BUS 103-7, Rev B; Booklet of Plans (65400)
Coast Guard Drawing 65 BUS 1101-1, Rev -, Shell Expansion & Deck Butts
Coast Guard Drawing 192 TE 4301-001, Rev-, Strut and Stern Tube Details & Arrangement of Shafting
Coast Guard Drawing 192 TE 4400-1, Rev-, Propeller Hub
Coast Guard Drawing 65 BUS 0101-43, Rev -, Curves of Form
Coast Guard Drawing 65 BUS 0103 (12) -1
Coast Guard Drawing 65 BUS 0103-2, Rev C; Outboard Profile
Coast Guard Drawing 65 BUS 0500-001, Rev -, Body Plan, Lines, Offsets
Coast Guard Drawing 65 BUS 0700-005, Rev B, BAYBERRY Docking Plan
Coast Guard Drawing 65 BUS 103-1, Rev-1, Inboard Profile & Sections
Coast Guard Drawing 65 BUS 103-2, Rev C, Outboard Profile
Coast Guard Drawing 65 BUS 1103-001, Rev 2, Construction Elevation Framing Details
Coast Guard Drawing 65 BUS 2200-001 Rev 3, Rudder Bearings& Details
Coast Guard Drawing 65 BUS 2200-004 Rev -, Rudder Arrangement, Fabrication Details and LM
Coast Guard Drawing 65 BUS 4000-001, Rev 2, Machinery Arrangement
Coast Guard Drawing 65 BUS 4105-002, Rev -, Exhaust System Modifications
Coast Guard Drawing 65 BUS 4900 -001, Rev-, Compressed Air System
Coast Guard Drawing 65 BUS 4901 -002, Rev-, Compressed Air Tanks
Coast Guard Drawing 65 BUS 700-003, Rev B; Docking Plan
Coast Guard Drawing 65-BUS 1702-4, Rev -, Mast & Boom Mods (Removal & Instl).
Coast Guard Drawing 65-BUS 4301-1, Rev 3, Stern Tubes Shafting & Bearings A&D
Coast Guard Drawing 65-BUS 101-12, Rev -, Construction Plan
Coast Guard Drawing 65-BUS 101-3, Rev B, General Arrangement Sections
Coast Guard Drawing 65-BUS 1202-1, Rev -, Deck and Pilothouse Railings
Coast Guard Drawing 65-BUS 4808-1, Rev 1, Scuppers & Drainage Piping
Coast Guard Drawing FL 1204-3, Rev A, Welded Padeyes & Links
Coast Guard Drawing FL 2605-034, Rev C, Mechanical Chain Stopper Repair Kit: 1-7/8", 1-5/8" & 1-1/4"
Coast Guard Drawing FL 2605-33, Rev A, Mechanical Chain Stopper, 1-1/4" Buoy Chain
Coast Guard Drawing FL 6713-203, Rev -, CRP-V850 Transducer (SS505) Adapter Assembly
Coast Guard Fleet Drawing FL 2804-12, Rev -, U.S.C.G. Emblem
Coast Guard Fleet Drawing FL 2804-22, Rev-, Consolidated Visual ID for Cutters
NAVSEA Drawing 803-1385866, Rev E, Penetration, Bulkhead and Deck
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 Technical Publication (TP) 4914, Oct 2008, FSE Shaft Seal – Second Generation
Delete SFLC Std Spec 0740, if no UT measurements are required
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 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
Surface Forces Logistics Center Standard Specification 8636 (SFLC Std Spec 8636), 2014, Temporary Hull Accesses
OTHER REFERENCES
American Bureau of Shipping (ABS) 2, Rule Requirements for Survey After Construction, 2014, Part 7, Appendix Section 10, Guide for Bronze and Stainless Steel Propeller Castings
American National Standards Institute/American Water Works Association (ANSI/AWWA) C652, 2011, Disinfection of Water-Storage Facilities
American National Standards Institute/NSF International (ANSI/NSF) 61, 2008, Drinking Water System Components - Health Effects
American National Standards Institute/NSF International (ANSI/NSF) 61, 2013, Drinking Water System Components - Health Effects
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) B16.34, 2004, Valves-Flanged, Threaded, and Welding End
American Society of Mechanical Engineers (ASME) B16.34, 2013, Valves-Flanged, Threaded, and Welding End
ASTM International (ASTM) B271, 1996, Standard Specification for Copper-Base Alloy Centrifugal Castings
ASTM International (ASTM) D1330, 2004, Standard Specification for Rubber Sheet Gaskets
ASTM International (ASTM) D1330, 2010, Standard Specification for Rubber Sheet Gaskets
ASTM International (ASTM) D3951, Reapproved 2010, Standard Practice for Commercial Packaging
ASTM International (ASTM) D4138, 2013, Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means
ASTM International (ASTM) D5363, 2008; Standard Specification for Anaerobic Single-Component Adhesives (An)
ASTM International (ASTM) F992, 2006, Standard Specification for Valve Label Plates
Code of Federal Regulations (CFR) Title 29, Part 1915, Jul 2013, Occupational Safety and Health Standards for Shipyard Employment
Commercial Item Description (CID) A-A-59313, Nov 2003, Thread Compound; Anti-seize, Zinc Dust-Petrolatum
Federal Specification (Fed Spec) HH-P-151, Mar 1991, Packing; Rubber-Sheet, Cloth-Insert
Federal Specification (Fed Spec) QQ-N-281, Oct 1985, Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections
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
International Standard For Organization (ISO) 484/2, 1981, Shipbuilding - Ship Screw Propeller - Manufacturing tolerances - Part 2: Propellers of Diameter Between 0.80 and 2.50m, Inclusive
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2003 Edition, Pressure Testing Of Steel Valves
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2013 Edition, Pressure Testing Of Steel Valves
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-67, 2002 Edition, Butterfly Valves
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-67, 2011 Edition, Butterfly Valves
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-72, 1999 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-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, 2008 Edition, Bronze Gate, Globe, Angle and Check Valves
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-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-DTL-1222, Dec 2000, Studs, Bolts, Screws and Nuts for Applications Where a High Degree of Reliability Is Required
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-PRF-24647, Jun 2013, Paint System, Anticorrosive and Antifouling, Ship Hull
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)
MIL-STD-2191, Nov 1992, Repair Welding, Weld Cladding, Straightening, and Cold Rolling of Main Propulsion Shafting
Naval Sea Systems Command (NAVSEA) Underwater Ship Husbandry Manuals (UWSH) S0600-AA-PRO-160, Jan 2006, Chapter 16, Cofferdams
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2007, Cork and Rubber Composition Sheet; For Aromatic Fuel And Oil Resistant Gaskets
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2013, Cork and Rubber Composition Sheet; For Aromatic Fuel and Oil Resistant Gaskets
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) G-6032, 2014 Grease, Plug Valve, Gasoline and Oil Resistant, NATO Code Number G-363, Metric
The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2004, Solvent Cleaning
The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2012, Power Tool Cleaning to Bare Metal
The Society for Protective Coatings (SSPC), May 2012, Paint Application Specification No. 2 (PA-2), Measurement of Dry Coating Thickness with Magnetic Gages
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 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 12/NACE No.5, 2007, Surface Preparation and Cleaning of Steel & Other Hard Materials by High and Ultrahigh Pressure Water Jetting
The Society for Protective Coatings (SSPC)/NACE-International (NACE) Joint Surface Preparation Standard SSPC-SP 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 Blast Cleaning
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)
| 19 |
| N |
| Hardware Kit |
| NSN: 5430-01-494-2479 |
| 2 ea. |
| 618.54 |
| 19 |
| N |
| Hardware Kit, Mechanical |
| NSN: 5430-01-494-3917 |
| 2 ea. |
| 1,157.23 |
| 25 |
| Y |
| *Transducer Cover Plate |
| N/A |
| 1 ea. |
| 50.00 |
| 41 |
| N |
| ***Fathometer Transducer, Shallow Water, 50-200 kHz (Airmar Technology SS505) |
| NSN: 5845-01-470-2500 |
| 1 ea. |
| 148.92 |
| 45 |
| N |
| Wartsila 3.75” type FSE seal Major Overhaul (In Workshop) Kit - Service Kit “B” |
| PN: H78069-01-6 Service Kit “B” |
| 2 ea. |
| 2,475.00 |
*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
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 |
| 3 |
| Appendages (U/W), Leak Test |
| 6 |
| Propulsion Shafting, Remove, Inspect, and Reinstall |
| 7 |
| Propulsion Shafting, Optical or Laser Alignment Check |
| 8 |
| Propulsion Shaft Bearings (External), Renew |
| 14 |
| Sea Strainers - Duplex (All Sizes), Overhaul |
| 16 |
| Rudder Assembly; Remove, Inspect and Reinstall |
| 19 |
| Mechanical Chain Stoppers, Inspect and Service |
| 28 |
| Lead-Based Paint, 100% Abatement, Perform |
| 30 |
| Tanks (MP Fuel Stowage and Overflow), Clean and Inspect |
| 31 |
| Tanks (MP Fuel Service), Clean and Inspect |
| 33 |
| Forward Peak Compartment, Preserve |
| 44 |
| U/W Body, Preserve (100%) |
| 45 |
| Propulsion Shaft Seals, Mechanical & Inflatable, Overhaul and Renew |
| 46 |
| Weight Handling Gear, Inspect and Service |
| 50 |
| Various Hull Plating, Renew |
Principal Characteristics - TENDER
65’ WLI (BAYBERRY), Inland Buoy Tender
Physical
| Length overall |
| 65' 0" |
| Length between perpendiculars |
| 63' 9" |
| Beam extreme |
| 17' 4" |
| Depth at side amidship, molded |
| 6' 11" |
| Draft mean at full load |
| 5' 2 1/16" LCF Draft |
| Full load displacement |
| 96.64 Long Tons SW |
| Minimum operating displacement |
| 90.19 Long Tons SW |
| Full load draft |
| 5' 2 1/16" LCF Draft |
| Mast height (above baseline) |
| 34' 4" |
Hull
| Hull material |
| Steel |
Machinery
| Main engine |
| 2 GM Diesel, 900 BHP total @ 1800 RPM |
| Number of propellers |
| 2 |
| Number of blades |
| 4 |
| Diameter |
| 38" |
| Pitch |
| 32" |
| Ship's service generator (prime mover) |
| Two Detroit Diesel 3-71 |
| Ship's service generator |
| Two 208Y/120V, 3 phase 60 Hz |
| Shore power requirements |
| 208V, 3 phase, 60 cycle, 60 amp (max), marine plug connection |
Tank
| Fuel tanks |
| 3: Fwd & Center Tanks - 680 gal. each Aft Tank - 645 gal. |
| Fresh water tanks |
| 2: 515 gal. each |
| Lube oil |
| 145 gal. |
| Sewage Tank |
| 820 gal. |
00000_0315_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
None
3. REQUIREMENTS
3.1 General. The Contractor shall conform to all requirements specified in SFLC Std Spec 0000 and in this item, as applicable, during the performance of this availability.
NOTE
The requirements of paragraph 3.1 (General) applies to all work under the scope of this contract, whether explicitly stated in work items or not, and to all other work subsequently authorized by changes, modifications, or extensions to the contract.
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 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 M10360.3, Chapter 6 (Cutter and Boat Colors Exterior and Interior).
NOTE
Unless a waiver has been granted (in writing) by the KO, deviations from authorized coatings (listed in Appendix C of SFLC Std Spec 6310) and colors and color schemes (provided in Chapter 6 of COMDTINST M10360.3) are strictly prohibited.
3.4 Welding and brazing requirements. The Contractor shall perform all welding and allied processes, and NDI in accordance with SFLC Std Spec 0740.
3.5 Environmental protection requirements. The Contractor shall adhere to the following environmental protection requirements in accordance with the SFLC Stand Spec 0000:
3.5.1 Contractor operated (non USCG) facilities. The Contractor shall provide and maintain environmental protection as defined in SFLC Std Spec 0000 Appendix A, Requirements for Environmental Protection at Contractor Operated (Non USCG) Facilities, as applicable, during the performance of this availability. Contractor shall plan for and provide environmental protective measures to control pollution that develops during normal practice, as well as plan for and provide environmental protective measures required to correct conditions that develop during the project. Contractor shall comply with applicable Federal, state, and local laws, codes, ordinances, and regulations in their entirety. Any reference to a specific portion of a Federal, state, or local law, code, ordinance, or regulation in this or any other item shall not be construed to mean that relief is provided from any other sections of the law, code, ordinance, or regulation.
3.5.2 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.
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 |
QA-2 - QUALITY ASSURANCE INSPECTION FORM
(ENVIRONMENTAL READINGS)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
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 |
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
QA-3a - QUALITY ASSURANCE INSPECTION FORM
(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-C)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
| 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: ______________
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
QA-3b - QUALITY ASSURANCE INSPECTION FORM
(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-B)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
| Location of Work (incl. frame #’s) |
| 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: _________________________________
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 |
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
QA-4 - QUALITY ASSURANCE INSPECTION FORM
(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
| Location of Work (incl. frame #’s) |
| Area (sqft) |
SOLUBLE SALT CONDUCTIVITY Measurements IAW SSPC-GUIDE 15
| DATE |
| TEST LOCATIONS |
| CONDUCTIVITY |
(microsiemens/cm)
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
QA-5 - QUALITY ASSURANCE DATA FORM
(COATING THICKNESS)
(Use one sheet for each sequence)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
| 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
| Avg. BMR |
| Deviation |
| Before Adjustments |
| After Adjustments |
Avg.
| SPOT |
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
ADJUSTMENTS
| Avg. BMR |
| Deviation |
| Before Adjustments |
| After Adjustments |
Avg.
| SPOT |
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
ADJUSTMENTS
| Avg. BMR |
| Deviation |
| Before Adjustments |
| After Adjustments |
Avg.
| Application Method (Airless, Conventional Spray, Rolled) |
| Average DFT |
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
11000_SideScan_0814_FLT REC_11000_Side_Scan_FLT_65’ WLI (65400 CGC BAYBERRY) (1211) WORK ITEM 1: Hull Plating (Side Scan), Ultrasonic Testing
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to perform thickness measurements of underwater (u/w) hull plating by ultrasonic side scan method.
1.2 Government-furnished property.
None.
2. REFERENCES
Coast Guard Drawings
Coast Guard Drawing 65 BUS 0700-005, Rev B, BAYBERRY Docking Plan Coast Guard Drawing 65 BUS 1101-1, Rev -, Shell Expansion & Deck Butts
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. REQUIREMENTS
3.1 General.
3.1.1 CIR. The Contractor shall submit a CIR for the inspections listed in the following paragraph(s):
· 3.2 Side scan requirements and procedures.
3.1.2 Tech Rep.
Not applicable.
3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.
3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the below-listed:
· Hull zinc anode system
· Docking blocks
· Sea Chest
· Rope Guards
· Stern Tubes/Struts
· Transducer
· OVBD Discharges
· Zinc Anode Studs
· Rope Guards
3.2 Work coordination and preparation. The Contractor shall plan all specified vessel work detailed in this specification package to ensure the side scan survey does not necessitate a work stoppage. The Contractor shall abide by the following guidance, to facilitate the ultrasonic survey:
· Ensure that all u/w body surface preparation and primer coat application tasks are completed within ten days of lifting the vessel.
· 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.
3.3 Side scan requirements and procedures. The Contractor shall ensure the following referring to the Coast Guard drawings listed in Section 2 (References) herein as guidance during the performance of the tasks specified below and Submit A CIR.
3.3.1 Testing company and personnel. Provide the services of a qualified ultrasonic testing company, with suitable side scan equipment, to conduct a “Scanning Crawler Automated Test” of the vessel’s u/w hull plating for the presence of metal corrosion and deterioration. Ensure the following:
· All scanning operations are completed by personnel meeting the personnel qualification and certification, as required by contractor process. This contractor developed personnel qualification and certification process must meet, at a minimum, ASNT Recommended Practice No. SNT-TC-1A.
· An SNT Level III Analyst is on site, to oversee the project and evaluate the collected data.
· An SNT Level III or II Analyst is on site, to verify with a hand held gauge all areas on the hull identified as thinner than the specified criteria, in order to expedite all repair procedures.
· Qualified personnel are provided to complete all on-site corrosion inspections.
· Contractor shall be mobilized and ready to begin within 48 hours notice and all tasking shall be completed within 48 hours of starting.
· Contractor may be required to perform tests outside of normal work hours as not to interfere with other work taking place aboard the vessel. This includes nights and weekends.
3.3.2 Coast Guard notification. Accomplish all required tasks within 10 calendar days of the start of the availability.
3.3.2.1 Provide a daily update to the COR on all areas inspected and potential issues or schedule changes.
3.3.2.2 Notify the COR at least 3 days prior to completion for an onsite review of readings and repair areas.
3.3.3 Scanning parameters. Use the following parameters during the course of this inspection:
· Automated scanning resolution shall be set to 0.5” x 0.5”
· Plates where scan data indicating wastage greater than or equal to 60 % nominal plate thickness shall be highlighted in “RED” and designated “repair areas”.
· Plates where scan data indicating wastage greater than or equal to 25% to 59% of nominal plate thickness shall be highlighted in “YELLOW”.
· Plates where scan data indicating wastage greater than or equal to 15% to 24% of nominal plate thickness shall be highlighted in LIGHT GREEN.
· Plates where scan data indicating wastage greater than or equal to 10% to 14% of nominal plate thickness shall be highlighted in DARK GREEN.
· All hull markings shall be made with a paint pen.
· Hand held UT readings shall be taken to verify bad metal areas found with the side scan equipment. All readings shall be provided to the COR and the lowest reading marked on the hull at the bad metal location.
· Areas that are accessible but cannot be reached by the automated scanner shall be scanned with a hand-held meter at a resolution of 2” x 2”. Any repair areas found during the hand scan shall be marked on the ships hull and their approximate positions recorded on the plate drawings and report summary..
3.3.3.1 Any scanning parameter or scope of work changes must be approved by the KO.
3.3.3.2 The echo to echo transducer is not authorized due to inconsistent readings and technical difficulties.
3.3.3.3 There shall be no deviation from the color scheme specified above.
3.3.4 Ensure that the side scan inspection area includes the Port, Starboard, and Transom exterior shell plate below the water line, but shall exclude the following list.
· Areas under and within 6-inches of blocks and side blocks (areas that are accessible 6 inches from blocks and side blocks must be hand scanned.)
· Areas up to 6-inches around any obstacle on the hull including sea suctions, discharges, rudderposts, knuckle, bow stem, stabilizer tubes, and stern tubes, as applicable.
· Any areas blocked by immovable scaffolding or shipyard activity.
3.4 Side scan reports. The Contractor shall submit to the COR a final report within 3 working days after the side scan inspection is completed. A copy of all repair areas shall be clearly marked, in yellow or white, on the provided shell plate drawing(s), and provide a summary document of same areas. Submit two hard copies of the report with two CD’s containing the electronic (raw) data, as part of the CIR submission prior to departing the job site. Ensure the reports include:
· Inspection overview.
· Data sheets for each plate with designated repair areas outlined in blue.
· Mosaic of scanned data overlaid on Coast Guard Drawing 65 BUS 1101-1.
3.4.1 Photos. The Contractor shall provide digital photos of all designated repair areas.
3.4.2 Electronic files. The Contractor shall ensure CD’s contain a complete copy of the report, interactive data files, and digital pictures. All electronic files shall be compatible with standard USCG workstation operating software. Electronic files format shall be such that the CG has the capability to change the percent of wastage (format conditioning) per plate. Electronic files shall be capable of being opened using MS Word, MS Excel, or PDF software. Digital pictures shall be recorded in JPEG format.
4. NOTES
This section is not applicable to this work item.
11000_0815_FLT
REC_11000_UWHIB_FLT_65’ WLI (65400 CGC BAYBERRY) (1211)
WORK ITEM 2: Hull Plating (U/W Body), Inspect
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to inspect/survey the vessel’s Under Water (U/W) hull plating, including U/W appendages and coating system.
1.2 Government-furnished property.
None.
2. REFERENCES
Coast Guard Drawings
Coast Guard Drawing 65 BUS 0700-005, Rev -, BAYBERRY Docking Plan Coast Guard Drawing 65 BUS 2200-004, Rev -, Rudder Arrangement, Fabrication Details and LM
Coast Guard Drawing 65 BUS 1101-001, Rev-, Shell Expansion & Deck Butts
Coast Guard Publications
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements
Other References
ASTM International (ASTM) D4138, 2013, Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means
The Society for Protective Coatings (SSPC), May 2012, Paint Application Specification No. 2 (PA-2), Measurement of Dry Coating Thickness with Magnetic Gages
3. REQUIREMENTS
3.1 General.
3.1.1 CIR.
None.
3.1.2 Tech Rep.
Not applicable.
3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.
3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences).
3.2 Inspection. The Contractor shall accompany the Underwater Hull Inspection Board (UWHIB) in the performance of the below inspection tasks, as applicable, using the drawings listed in Section 2 (References) as guidance. The Contractor shall provide the following, to facilitate the UWHIB in assessing the condition of the designated U/W hull components and systems:
· A hull repair supervisor and a marker.
· Temporary staging and other necessary equipment, as applicable, for ensuring safe access to all areas of the U/W hull.
NOTES
1. The COR will convene the UWHIB as soon as possible after the vessel has been dry-docked and before any work (except U/W hull cleaning/wash down) is performed on the U/W hull and appendages.
2. Some of the components and/or systems addressed in this work item may not be applicable to all vessel classes.
3.2.1 Hull plating.
3.2.1.1 The Contractor shall inspect the condition of the hull plating (including thruster tunnel plating, as applicable), for the presence of marine growth, deformation, and any evidence of major corrosion or electrolytic action.
3.2.1.2 The Contractor shall inspect the hull and keel areas, report on the condition of butt-welded seams, doubler plates, lap seams, and for any signs of damaged plating or unusual waviness in the plating.
3.2.2 Sea chests and all other cooling system intake components. The Contractor shall inspect all sea chests, tunnels, hull openings, and grates for general appearance, loose, damaged, or missing grates, loose or missing fasteners, condition of sea strainers and lockwire on bolts, marine growth on grating slots, and any obstructions in the openings that might prevent proper suction and discharge of water.
3.2.3 Water jet drive. The Contractor shall inspect the water jet drive assembly for signs of corrosion, pitting, erosion, fouling, cracks, dings, and nicks. Inspect all linkages for any missing fasteners, physical damage, pitting, or other conditions effecting usage.
3.2.3 Rudders. The Contractor shall check general condition, condition around the drain plugs, and check for pitting, if any, on the leading and trailing edges.
3.2.4 Propeller and shaft associated components. The Contractor shall inspect the condition of propellers for propellers for signs of corrosion, pitting, erosion, fouling, cracks, dings, and nicks by side and blade; inspect fairwaters, rope guards, shafts, and mechanical seals - look for missing screws, physical damage to the blades, pitting, condition of dunce caps, and condition of securing devices.
3.2.5 Transducers. The Contractor shall check general condition for cuts, cracks, corrosion, and surface defects around the openings. Check transducer securing nuts for tightness, and inspect cables for chafing and other damage.
3.2.6 Zinc anodes.
3.2.6.1 The Contractor shall remove all marine growth and oxide coating from all hull, rudder, shaft strut, sea chest, z-drive, and thruster tunnel zinc anodes, or water jet drives anodes, as applicable, using a light-wire brush.
3.2.6.2 The Contractor shall visually inspect all zinc anodes; check the soundness of mounting strap and stud welds, missing fasteners, and percentage of remaining material.
3.2.7 Coating system inspections. The Contractor shall accomplish the below inspections, in conjunction with the underwater hull inspection conducted by the Underwater Hull Inspection Board (UWHIB). Document the condition found as “Partial - Condition A”, “Partial - Condition B”, “Partial Condition C”, or “100%”, as applicable (see 4.1 (Definitions)). Submit a CFR.
NOTE
The following inspections are for determining the existing condition of the coating system for the underwater body surfaces, which are deemed “Critical-coated” surfaces; they must be carried out by a SSPC-QP-1 certified contractor/sub-Contractor or a NACE Inspector – see SFLC Std Spec 0000, paragraph 3.2.4.2 (In-process QC measures for “critical-coated surfaces”).
3.2.7.1 Visual. Perform a visual inspection of the existing U/W body coating system.
3.2.7.2 Dry film thickness(DFT) measurements. Take total DFT measurements of the U/W body coating system, in accordance with SSPC-PA 2.
3.2.7.3 Coating system thickness and scheme inspection. Perform a microscopic observation of precision angular cuts in the coating system film (“Tooke Paint Inspection”), in accordacne with ASTM D4138, and measure the of total coating thickness and thickness of each individual coat of paint, in addition to identifying/verifying the existing color scheme for each coat of paint comprising the coating system.
NOTE
The Tooke Paint Inspection Gage/Gauge (Plastic) is a precision tool for inspection and thickness measurement (ASTM D4138) of single or multiple coats on any substrate, and for microscopic observation and measurement of substrate and film defects.
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