47231 (MLB 47) DS FQ3 ACG 21R0.pdf
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- Solicitation number
- 70Z04021QP3046500
About this file
This specification package is for drydock repairs to be performed on US Coast Guard Cutter MLB-47 stationed in Morro Bay, California. The repairs include various work items such as hull plating renewal, inspection and testing of hull structures and piping systems, inspection and overhaul of propulsion and auxiliary equipment, and preservation of underwater hull surfaces. The solicitation requests bids for individual work items as well as provision of temporary services and drydocking. The specification includes technical requirements, references to drawings and publications, and quality assurance procedures. Bids are due by 2 February 2021 and contract award will occur on or before 15 February 2021.
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USCG 47231 (MLB 47)
SPECIFICATION FOR DOCKSIDE REPAIRS
FY2021
Developed By: Anthony C Gonzales
(Rev-0, 11 January 2021)
USCG 47231 (MLB-47) DOCKSIDE AVAILABILITY FY2021
ii (Rev-0)
TABLE OF CONTENTS
Revisions Record ......................................................................................................................................... iii Consolidated List of References ................................................................................................................... iv Consolidated List of Government-furnished Property .............................................................................. viii Consolidated List of Critical Inspection Items .............................................................................................. x Principal Characteristics ............................................................................................................................... xi General Requirements WORK ITEM 1: General Welding, Provide WORK ITEM 2: Ultrasonic Testing (U/W Body) Shots, Perform WORK ITEM 3: Hull Plating (U/W Body), Inspect WORK ITEM 4: Hull Plate, Renew WORK ITEM 5: Rub Rail, Inspect – In Place WORK ITEM 6: Rub Rail, Renew WORK ITEM 7: Bulkhead Penetrations, Frame 5, Inspect WORK ITEM 8: U/W Body, Preserve (100%) WORK ITEM 9: Appendages (U/W), Leak Test WORK ITEM 10: Tanks (MP Fuel Service), Clean and Inspect WORK ITEM 11: Buoyancy Chamber(s), Clean And Inspect WORK ITEM 12: Watertight Closures, Inspect WORK ITEM 13: Mast, Inspect WORK ITEM 14: Main Diesel Engine To Reduction Gear, Both, Align WORK ITEM 15: Cardan Shaft(S), Remove, Inspect And Reinstall WORK ITEM 16: Propulsion Shaft, Remove, Inspect, And Install WORK ITEM 17: Water Lubricated Bearings, Renew WORK ITEM 18: Propellers, Remove, Inspect, And Reinstall WORK ITEM 19: Main Diesel Engine Exhaust System, Clean And Inspect WORK ITEM 20: Lazarette Intake Vent, Inspect WORK ITEM 21: Sea Valves, Renew WORK ITEM 22: Sea Strainers - Duplex (All Sizes), Overhaul WORK ITEM 23: Sea Strainers - Simplex (All Sizes), Clean and Inspect WORK ITEM 24: Diesel Tank(s), Refuel WORK ITEM 25: Steering System, Inspect WORK ITEM 26: Rudder Assembly, Remove, Inspect and Reinstall WORK ITEM 27: Tow Reel, Overhaul WORK ITEM 28: Hull Identification Markings, Apply WORK ITEM 29: Cathodic Protection / Zincs, Renew WORK ITEM 30: Marine Chemist Services, Provide WORK ITEM 31: Drydock WORK ITEM 32: Temporary Services, Provide WORK ITEM 33: Sea Trial Performance, Support, Provide WORK ITEM 34: Bilge Preservation, Auxiliary Space WORK ITEM 35: Various Piping, Inspect iii (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.
iv (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 47B MLB 110-207, Rev E, Transverse BHD FR 8
Coast Guard Drawing 47B MLB 110-209, Rev C, Transverse BHD FR 10
Coast Guard Drawing 47B MLB 110-306, Rev H, Web Frame 9
Coast Guard Drawing 47B MLB 110-500, Rev H, Shell Plating
Coast Guard Drawing 47B MLB 150-090, Rev E, Aft Buoyancy Box
Coast Guard Drawing 47B MLB 171-010, Rev T, Mast
Coast Guard Drawing 47B MLB 201-010, Rev L, Machinery Arrangement
Coast Guard Drawing 47B MLB 313-001, Rev-, Standard Battery Connection Configuration
Coast Guard Drawing 47B MLB 505-020, Rev AB, Piping Arrangement in Hull
Coast Guard Drawing 47B MLB 801-002, Rev -, Docking Plan
Coast Guard Drawing 47B-MLB 110-202, Rev F, Transverse Bhd Fr 1
Coast Guard Drawing 47B-MLB 110-206, Rev F, Transverse Bhd Fr 5
Coast Guard Drawing 47B-MLB 110-208, Rev E, Fuel Tank
Coast Guard Drawing 47B-MLB 110-301, Rev D, Web Fr 2
Coast Guard Drawing 47B-MLB 110-302, Rev D, Web Fr 3
Coast Guard Drawing 47B-MLB 110-303, Rev C, Web Fr 4
Coast Guard Drawing 47B-MLB 110-400, Rev H, Keel & Longitudinals
Coast Guard Drawing 47B-MLB 110-500, Rev H, Shell Plating
Coast Guard Drawing 47B-MLB 110-500, Rev J, Shell Plating
Coast Guard Drawing 47B-MLB 161-010, Rev M, Shaft Struts and Barrels
Coast Guard Drawing 47B-MLB 167-010 Rev L, List of Hatches and Manholes
Coast Guard Drawing 47B-MLB 167-010, Rev L, List of Hatches and Manholes
Coast Guard Drawing 47B-MLB 171-010, Rev T, Mast
Coast Guard Drawing 47B-MLB 201-010, Rev L, Machinery Arrangement
Coast Guard Drawing 47B-MLB 243-010, Rev V, Propulsion Shafting Bearings & Seals
Coast Guard Drawing 47B-MLB 243-010, Rev V, Propulsion Shafting Bearings and Seals
Coast Guard Drawing 47B-MLB 259-020, Rev K, Engine Exhaust Arrangement
Coast Guard Drawing 47B-MLB 505-020, Rev AB, Piping Arrangement in Hull
Coast Guard Drawing 47B-MLB 512-010, Rev N, HVAC Details & Arrangement v (Rev-0)
Coast Guard Drawing 47B-MLB 561-010, Rev J, Steering Gear & Controls
Coast Guard Drawing 47B-MLB 561-020, Rev E, Rudder Arrangement
Coast Guard Drawing 47B-MLB 562-010, Rev B, Rudder
Coast Guard Drawing 47B-MLB 582-030, Rev E, Towline Reel Arrangement
Coast Guard Drawing 47B-MLB 611-020, Rev M, Foam Fender Arrangement
Coast Guard Drawing 47B-MLB 631-010, Rev G, Hull Visual Identification
Coast Guard Drawing 47B-MLB 631-020, Rev L, Paint Schedule
Coast Guard Drawing 47B-MLB 633-010, Rev A, Cathodic Protection
Coast Guard Drawing 47B-MLB 635-010, Rev C, Hull Insulation
Coast Guard Drawing 47B-MLB 801-002, Rev -, Docking Plan
Coast Guard Drawing 47B-MLB 801-010, Rev P, Booklet of General Plans
Coast Guard Drawing FL-85-002, Rev -, GFE Boat Hot Work Diagrams
COAST GUARD PUBLICATIONS
Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Colors
Manual
Coast Guard Technical Publication (TP) 3355, SWBS 086, Apr 2003, General Information Book
Coast Guard Technical Publication (TP) 3355, SWBS 086, Apr 2003, General Information Book Section
A
Coast Guard Technical Publication (TP) 3355, SWBS 086, Apr 2003, General Information Book, Section
A
Coast Guard Technical publication (TP) 3355, SWBS 086, Apr 2003, General Information Book, Section
A, CH 6
Coast Guard Technical Publication (TP) 3356, SWBS 167-202, Oct 2006, Manufacturer’s Information
Book-SWBS Group(s) 167-202
Coast Guard Technical Publication (TP) 3358, SWBS 233, Jul 2003, Manufacturer’s Information Book –
SWBS Group(s) 233
Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information
Book - SWBS Group(s) 241-541, SWBS 241, Section A, Propulsion Reduction Gears
Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information
Book - SWBS Group(s) 241-541, SWBS 243, Section C, Propulsion Shafting
Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information
Book - SWBS Group(s) 241-541, SWBS 243, Sections A, B, C, D, Propulsion Shafting
Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information
Book - SWBS Group(s) 241-541, SWBS 245, Section A, Propellers, MY-T4
Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information
Book - SWBS Group(s) 241-541, SWBS 259, Section A, Exhaust System
Coast Guard Technical Publication (TP) 3359, SWBS 241-541, Feb 2016, Manufacturer’s Information
Book – SWBS Group(s) 241-541, SWBS 520, Sea Water Systems
Coast Guard Technical Publication (TP) 3359, SWBS 241-541,Feb 2016, Manufacturer’s Information
Book – SWBS Group(s) 241-541, SWBS 520, Sea Water Systems
Coast Guard Technical Publication (TP) 3360, SWBS 555-671, Apr 2015, Manufacturer's Instruction
Book - SWBS Group(s) 555-671, SWBS 582, Section A, Towline Reel, Series 30/14
Coast Guard Technical Publication (TP) 3360, SWBS 555-671, Apr 2015, Manufacturer's Instruction
Book - SWBS Group(s) 555-671, SWBS 611, Section A, Hull Fittings vi (Rev-0)
Coast Guard Technical Publication (TP) 3360, SWBS 555-671, Apr 2015, Manufacturer's Instruction
Book - SWBS Groups 555-671, SWBS 611, Section A, Hull Fittings
Coast Guard Technical Publications (TP) 3360, SWBS 555-671, Apr 2015, Manufacturer’s Instruction
Book - SWBS Group(s) 555-671, SWBS 561, Section A, Steering & Diving Control Systems
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2018, General
Requirements
Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2018, Welding and
Allied Processes
Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2018, Requirements for Preservation of Ship Structures
Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2018, Drydocking
Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2018, Temporary
Services
OTHER REFERENCES
ASTM International (ASTM) D1330, 2010, Standard Specification for Rubber Sheet Gaskets
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, 2016, Standard Specification for Anaerobic Single-Component
Adhesives (AN)
ASTM International (ASTM) D5363, Apr 2016; Standard Specification for Anaerobic Single-Component
Adhesives (An)
Commercial Item Description (CID) A-A-59313, Nov 2003, Thread Compound; Anti-seize, Zinc Dust-
Petrolatum
International Standard for Organization (ISO) 484/2, Dec 2015, Shipbuilding - Ship Screw Propeller -
Manufacturing tolerances - Part 2: Propellers of Diameter Between 0.80 and 2.50m, Inclusive
International Standard Organization (ISO) 21940-11, Nov 2016, Mechanical Vibration - Rotor Balancing, Procedure and Tolerances for rotors with rigid behavior
MIL-A-18001, May 2005, Anodes, Sacrificial Zinc Alloy (Commercially Accepted - ASTM B418)
MIL-DTL-1222, Dec 2000, Studs, Bolts, Screws and Nuts for Applications Where a High Degree of
Reliability Is Required
MIL-PRF-16173, Oct 2017, Corrosion Prevention Compound, Solvent Cut-Back, Cold-Application
MIL-PRF-16173E, Oct 2017, Corrosion Preventive Compound, Solvent Cutback, Cold-Application
MIL-S-45180, 1998, Sealing Compound, Gasket, Hydrocarbon Fluid and Water Resistant
MIL-S-45180, 1998; Sealing Compound, Gasket, Hydrocarbon Fluid and Water Resistant
Naval Sea Systems Command (NAVSEA) Underwater Ship Husbandry Manuals (UWSH) S0600-AA-
PRO-160, Jan 2011, Chapter 16, Cofferdams
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2019, 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
Society of Automotive Engineers (SAE) AMS-G-6032, August 2012, 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), Apr
2015, Solvent Cleaning vii (Rev-0)
The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2016, Solvent Cleaning
The Society for Protective Coatings (SSPC), January 2015, Paint Application Specification No. 2 (PA-2), Procedure for Determining Conformance to Dry Coating Thickness Requirements
The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation
Standard SSPC-SP 10/NACE No.2, 2006, Near-White Blast Cleaning
The Society for Protective Coatings SSPC-SP 1, Apr 2015 (E Aug 2016), Solvent Cleaning
The Society for Protective Coatings SSPC-SP 2, Nov 1982 (E Nov 2004)-; Hand Tool Cleaning viii (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)
6 N Stern Fender NSN: 2040-01-458-7979 1 ea. 8,233.29
6 N Bow Fender NSN: 2040-01-458-7973 1 ea. 8,221.47
6 N **Titanium Aluminum
Studs, Plain
NSN: 5307-01-435-0998 66.40
14 Y *47 MLB Alignment
Pointers
PN: 47MLB RMF-ETRGAP 1 KIT 00.00
14 Y *47 MLB Alignment
Pointer Flats
PN: 47MLB RMF-ETRGAF 1 KIT 00.00
14 Y *Digital Angle
Indicator
PN: 1 ea. 00.00
14 N *Cardan Shaft Seals NSN: 2010-01-545-9932Â or
PN: H73246-01
2 ea. 1,697.02
15 Y **Shaft, Cardan NSN: 3040-01-463-9110 1 ea. 3,605.64
15 N **Seal, Shaft
(Complete)
NSN: 2010-01-545-9932 1 ea. 2,256.05
16 N *Propeller shaft NSN: 2010-01-463-9116 2 ea. 3,559.23
16 N Shaft Seal(3-1/2―) NSN: 2040-01-497-3186 or
PN: 02212312
2 ea. 324.45
17 N Upper Rudder Bearing NSN: 3120-01-469-8793 2 ea. 159.37
17 N Lower Rudder Bearing NSN: 3120-01-469-8769 2 ea. 208.93
17 N Shaft Bearing Strut
Tube
NSN: 3120-01-366-0506 2 ea. 396.88
17 N Shaft Bearing Stern
Tube
NSN: 3120-01-365-9410 2 ea. 290.75
18 N ** Propeller, Marine
(Port)
NSN: 2010-01-463-9096 1 ea. 4,354.83
18 N ** Propeller, Marine
(Stbd)
NSN: 2010-01-463-9101 1 ea. 4,009.43
21 N Main Engine R/W supply valve
NSN: 4820-01-544-1003 or
PN: S-135JW2PPPPP2-HSV
2 ea. 1,710.15
21 N HVAC Suction Sea
Valve
NSN: 4820-01-274-6687 or
PN: 70-106-01
1 ea. 31.29
22 Y **2 1/2 inch Duplex
Strainer – Main
Engine
PN: GROCO VD-2500 2 ea. 1,338.90
23 Y **1 1/4 inch Simplex
Strainer
PN: GROCO SA-1250 1 ea. 338.90
26 N **Rudder assembly NSN: 2040-01-444-6315 2 ea. 4,438.70
29 N Zinc, Barrel shape NSN: 5342-01-366-3891 6 ea. 21.77
29 N Zinc, Oblong shape NSN: 5340-01-381-0840 2 ea. 65.39
31 Y *Transducer Cover N/A 1 ea. 50.00 ix (Rev-0)
Plate *Government-loaned property, which shall be returned to the vessel upon completion of the availability.
**New or refurbished equipment that the Government may provide for installation in place of existing equipment.
***Government-furnished property, which is to be supplied by either the vessel or the C4IT ServiceCenter x (Rev-0)
CONSOLIDATED LIST OF CRITICAL INSPECTION ITEMS
The following is a list of work items, which contain Critical Inspection reports, which the Contractor must complete within the first 25% of the availability contract period (see SFLC Std Spec 0000, paragraph 3.2.6.5
(Inspection report particulars)):
Work
Item Title
2 Ultrasonic Testing (U/W Body) Shots, Perform
4 Hull Plate, Renew
5 Rub Rail, Inspect – In Place
6 Rub Rail, Renew
8 U/W Body, Preserve (100%)
9 Appendages (U/W), Leak Test
14 Main Diesel Engine To Reduction Gear, Both, Align
15 Cardan Shaft(S), Remove, Inspect And Reinstall
16 Propulsion Shaft, Remove, Inspect, And Install
20 Lazarette Intake Vent, Inspect
22 Sea Strainers - Duplex (All Sizes), Overhaul
23 Sea Strainers - Simplex (All Sizes), Clean and Inspect
26 Rudder Assembly, Remove, Inspect and Reinstall xi (Rev-0)
PRINCIPAL CHARACTERISTICS
47' MLB, MOTOR LIFE BOAT
PHYSICAL
Length, overall 47' 11" (W/O Rubrails) - 48' 11"
Length, waterline 43”
Beam, overall 14' (W/O Rubrails) - 15'
Depth 4' 6"
Full load displacement 40,000 lbs
Full load draft 4' 6"
Height of highest projection 18' 6" (fixed height) - 28' 4"
HULL
Hull/superstructure material 5456 Aluminum
Frame spacing
FR 0 to 8 30" - 31"
FR 8 to 10 33"
FR 10 to 18 30"
MACHINERY
Engine details (2) DD 6V92TA DDEC III, 435 SHP each @ 2100 RPM
Electrical system 24 Volt DC
Number of propellers 2
Number of blades 4
Diameter 28"
Pitch 36"
Shaft- diameter x length (in) 2.50” x 159.0”
Shore tie voltage requirements 120 VAC (100A)
PERFORMANCE
Maximum speed at sea state 0 25 knots (2050-2200 RPM)
Cruise speed at sea state 2 20 knots (1850 RPM)
Max idle speed 6 knots (600 RPM)
Fuel capacity (diesel) 394 gal.
Range at cruise, sea state 0 200 NM
1 (Rev-0)
00000_0220_FLT
REC_00000_FLT_Boats @ Commercial Facility (0914)
General Requirements
1. SCOPE
1.1 Intent. This standard specification invokes general requirements for conducting boat repairs performed at a commercial contractor’s facility for Coast Guard vessels.
1.2 Term interchangeability. The terms 'Contractor', 'CG Yard', 'NAVSTA EVERETT', 'shipyard', 'Base', and
'Coast Guard Industrial' are used interchangeably in this specification. Where the primary service provider is
Coast Guard personnel, references to contractor and other noted descriptors within this specification or within drawings, publications, SFLC Standard Specifications or other commercial and military references are deemed the same as prime service provider.
2. REFERENCES
COAST GUARD DRAWINGS
None
COAST GUARD PUBLICATIONS
Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Coatings and Color Manual
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2018, General
Requirements
Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2018, Welding and
Allied Processes
Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2018, Requirements for Preservation of Ship Structures
OTHER REFERENCES
None
3. REQUIREMENTS
3.1 General. The Contractor shall conform to all requirements specified in SFLC Std Spec 0000 and in this item, as applicable, during the performance of this availability.
NOTE
The requirements of paragraph 3.1 (General) applies to all work under the scope of this contract, whether explicitly stated in work items or not, and to all other work subsequently authorized by changes, modifications, or extensions to the contract.
2 (Rev-0)
3.2 Contractor-provided fire watch personnel. The Contractor shall provide fire watch personnel and equipment.
3.3 Preservation requirements. The Contractor shall accomplish all preservation tasks, including touch-ups, in accordance with SFLC Std Spec 6310.
3.3.1 Brand name approval. Ensure that all contractor-furnished coatings are in accordance with SFLC Std Spec
6310, Appendix C (Authorized Coatings for Use on Cutters and Boats).
3.3.2 Coating colors and system color schemes. Ensure that all colors and color coat/paint schemes are in accordance with COMDTINST M10360.3, Chapter 6 (Cutter and Boat Colors Exterior and Interior).
NOTE
Unless a waiver has been granted (in writing) by the KO, deviations from authorized coatings (listed in Appendix C of SFLC Std Spec 6310) and colors and color schemes
(provided in Chapter 6 of COMDTINST M10360.3) are strictly prohibited.
3.4 Welding and brazing requirements. The Contractor shall perform all welding and allied processes, and NDE 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, 3 (Rev-0) and closed out; ensure compliance with Storm Water Program Management requirements; ensure compliance with Hazardous Materials including storage, handling, and reporting requirements; as well as coordinate any remediation of regulated substances such as lead, asbestos, and polychlorinated biphenyl (PCB). This may be a collateral position; however the individual must be trained to accomplish the following duties; ensure waste segregation and storage compatibility requirements are met; inspect and manage Satellite Accumulation areas;
ensure only authorized personnel add wastes to containers; ensure all Contractor personnel are trained in 40 CFR requirements and individual position requirements; coordinate removal of waste containers; and maintain the
Environmental Records binder and required documentation, including environmental permits compliance and close-out.
3.5.5 HW disposal. Contractor shall comply with SFLC Std Spec 0000 Appendix A, Requirements For
Environmental Protection At Contractor Operated (Non USCG) Facilities for HW disposal.
3.6 Local Policy.
3.6.1 Coast Guard turn-over preparation. The Contractor shall be aware that, upon arrival, after haul out, and prior to departing the Contractor’s facility, the Coast Guard crew shall be allowed to accomplish various tasks in preparation for the turn-over of the boat to the Contractor. The following conditions apply to this paragraph:
3.6.1.1 The Coast Guard requires a maximum of three days at the beginning of the contract, and three days at the end to accomplish various tasks.
3.6.1.2 The Contractor may commence/continue work during these time frames.
<<APM Note: Paragraph 3.6.1.3 pertains to 47’ MLB only. For all other SBPL assets delete this paragraph.>>
3.6.1.3 Coast Guard personnel will disconnect the Detroit Diesel Electronic Control (DDEC) System and any other electronic equipment, as required to avoid damage to systems arising from hotwork on the vessel during the availability.
3.6.1.4 Coast Guard personnel will remove the transducers after initial haul-out and reinstall prior to re-floating the vessel.
3.6.1.5 The Unit will contact the servicing ESD or ESU to setup removal/installation of the transducer if Unit personnel are unable to accomplish this task.
3.7 SFLC Standard Specification approved changes. The Contractor shall be aware that the following are approved changes to published SFLC 2018 Edition Standard Specifications and supersede published content:
None.
4. NOTES
4.1 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in SFLC Std Spec 6310 to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this document.
4 (Rev-0)
QA-1 - QUALITY ASSURANCE INSPECTION FORM
(PRESERVATION CHECKLIST)
VESSEL NAME HULL # WORK ITEM
WORK ITEM TITLE
LOCATION OF WORK (INCL. FRAME #’S) AREA (SQFT)
CHECKPOINT 1 – COATING SYSTEM COMPLIANCE
Ensure all coatings are in compliance with SFLC Std Spec 6310, Appendix C.
CHECKPOINT 2 - PAINT STORAGE
Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating 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/NACE INSPECTOR SIGNATURE CERT. # DATE / TIME
5 (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 |
NAME OF QP-1/NACE INSPECTOR SIGNATURE CERT. # DATE / TIME
6 (Rev-0)
QA-3A - QUALITY ASSURANCE INSPECTION FORM
(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-C)
VESSEL NAME HULL # WORK ITEM
SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)
MIN MAX MEAN
SSPC-SP-10/NACE No. 2
SSPC-SP WJ-1/NACE WJ-1
SSPC-SP WJ-2/NACE WJ-2
SSPC-SP WJ-3/NACE WJ-3
SSPC-SP WJ-4/NACE WJ-4
SSPC-SP-3
SSPC-SP-11
SSPC-SP-11 (inaccessible area)
Brush-blasting (non-metallic substrate)
ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:
PLACE SURFACE PROFILE REPLICA TAPES IN THE SPACES PROVIDED BELOW, TO SERVE AS
PERMANENT QA RECORD. MAINTAIN A SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS
DIVIDED INTO SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.
Place Surface Profile
Replica Tape Here
Place Surface Profile
Replica Tape Here
Place Surface Profile
Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
Place Surface Profile
Replica Tape Here
Place Surface Profile
Replica Tape Here
Place Surface Profile
Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
Place Surface Profile
Replica Tape Here
Place Surface Profile
Replica Tape Here
Place Surface Profile
Replica Tape Here
Reading (mils): Reading (mils): Reading (mils):
MEAN MIL READING (IAW ASTM D4417-METHOD C) FOR ABOVE 15 READINGS:
NAME OF QP-1/NACE INSPECTOR SIGNATURE CERT. # DATE /
TIME
7 (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/NACE No. 2
SSPC-SP WJ-1/NACE WJ-1
SSPC-SP WJ-2/NACE WJ-2
SSPC-SP WJ-3/NACE WJ-3
SSPC-SP WJ-4/NACE WJ-4
SSPC-SP-3
SSPC-SP-11
SSPC-SP-11 (inaccessible area)
Brush-blasting (non-metallic substrate)
ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:
RECORD MEASUREMENTS TAKEN IN THE SPACES PROVIDED BELOW, TO SERVE AS PERMANENT QA
RECORD. MAINTAIN SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS DIVIDED INTO
SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Reading (mils):
Mean Reading
(mils)
Mean Reading (mils) IAW ASTM DD4417).
8 (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)
9 (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.
1 AVG. BMR DEVIATION
1 AVG. BMR DEVIATION
APPLICATION METHOD (AIRLESS,
CONVENTIONAL SPRAY, ROLLED)
AVERAGE DFT
10 (Rev-0)
07400_AKP_0620_BOAT_FLT
WORK ITEM 1: General Welding, Provide
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to provide general welding listed in table 1.
TABLE 1- GENERAL WELDING
ITEM DESCRIPTION LOCATION
Weld repair up to 2 inch hairline crack.
Forward Bullnose
Both sides of the second rung has hairline crack. Weld repair up to 04 inches.
Aft Deck Ladder
One inch hairline crack in the frame
12 longitudinal stringer 8.
Port Aft Forward Compartment
Round flush the unfinished weld in the aft of the port reduction gear.
Engine Room
Clad weld up 10 square inches on the port exhaust pipe.
Engine Room
Clad weld up to 18 square inches on the starboard exhaust pipe.
Engine Room
Clad weld up 32 square inches on the forward deck box.
Clad weld up to 25 square inches on the port side rescue recess
Main Deck
Clad weld up to 24 inches on the starboard rescue recess
Main Deck
Crop and renew 12 square inches of the port antenna mount on the buoyancy chamber
Mast
Crap and renew 12 square inches of the starboard antenna mount on the top buoyancy chamber.
Mast
Weld repair the starboard antenna mount weld area on the top buoyancy chamber
Mast
Crop and renew 18 inches of the frame stinger in the area of stern tube between frame 4 and 5.
Engine Room
Clad weld up to 04 square feet of plate under the engine room ladder.
Engine Room
11 (Rev-0)
Soft patches hinges has corrosion.
Remove, inspect, and reinstall.
Submit CFR if required to be renewed.
Main Deck/Engine Room
1.2 Government-furnished property.
None.
2. REFERENCES
COAST GUARD DRAWINGS
Coast Guard Drawing FL-85-002, Rev -, GFE Boat Hot Work Diagrams
COAST GUARD PUBLICATIONS
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2018, General Requirements
Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2018, Welding and Allied Processes
Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2018, Requirements for Preservation of Ship Structures
OTHER REFERENCES
None
3. REQUIREMENTS
3.1 General.
3.1.1 CIR.
None.
3.1.2 Tech Rep.
Not applicable.
12 (Rev-0)
3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.
3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences).
3.2 Requirement. The Contractor shall provide general welding, including but not limited to, fabrication, brazing, inspection, plate renewal, crack repair, overlay, and associated processes on Coast Guard vessels and equipment in accordance with Coast Guard Drawing FL-85-002 and SFLC Std Spec 0740.
3.3 Bidding. The Contractor shall ensure for bidding purposes this specification will be broke down by the following:
One linear foot of welding/brazing.
Four square inches of clad/overlay welding.
One hour of fabrication.
One square foot of plate renewal.
TABLE 2 – PLATE TYPE
STEEL PLATE ALUMINUM PLATE
THICKNESS WEIGHT
PER SQFT.
TYPE/GRADE THICKNESS WEIGHT
PER SQFT
TYPE/ALLOY
3/16 (.1875) 7.66 lb
1/4 (.250) 10.21 lb 1/4 (.250) 3.53 lb
5/16 (.3125) 12.76 lb 5/16 (.3125) 4.41 lb
3/8 (.375) 15.31 lb 3/8 (.375) 5.29 lb
1/2 (.500) 20.42 lb 1/2 (.500) 7.06 lb
3.4 Touch-up preservation, general. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces, as applicable, to match existing adjacent surfaces in accordance with SFLC Std
Spec 6310, paragraph 3.1.13 (Touch-ups and minor coating repairs.)
4. NOTES
This section is not applicable to this work item.
13 (Rev-0)
11000_AKP_0520_47MLB
WORK ITEM 2: Ultrasonic Testing (U/W Body) Shots, Perform
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to take 100 Ultrasonic Testing
(UT) shots.
1.2 Government-furnished property.
None.
2. REFERENCES
COAST GUARD DRAWINGS
None
COAST GUARD PUBLICATIONS
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2018, General Requirements
Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2018, Welding and Allied Processes
OTHER REFERENCES
None
3. REQUIREMENTS
3.1 General.
3.1.1 CIR. The Contractor shall submit a CIR for the inspections listed in the following paragraph(s):
3.3 Reporting
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 contamination during the performance of work. Upon completion of work, the Contractor shall remove all
14 (Rev-0) 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 UT measurement. The Contractor shall perform a total of 100 UT measurements using Coast Guard
Drawings 47B-MLB 110-201 and 47B-MLB 110-500 as a reference and in accordance with SFLC Std
Spec 0000 and SFLC Std Spec 0740.
3.2.1 Standard measurements. The Contractor shall take 70 standard thickness measurements for the designated locations numbered 1 thru 70 between the boot top and keel, (Refer to Figure 1 and Figure 2).
3.2.1.1 The Contractor shall record each measured metal thickness in the Standard Underwater (U/W)
Body Test Results Report (Refer to Table 1).
3.2.1.2 The Contractor shall calculate each percent loss.
3.2.1.3 The Contractor shall record each percent loss in the Standard U/W Body Test Results Report.
3.2.2 Additional measurements. The Contractor shall take 30 additional thickness measurements at locations designated by the Coast Guard inspector and numbered 1A through 30A between the boot top and keel, (Refer to Figure 1 and Figure 2).
3.2.2.1 The Contractor shall record each measured metal thickness in the Additional U/W Body Test
Results Report (Refer to Table 2).
3.2.2.2 The Contractor shall calculate each percent loss.
3.2.2.3 The Contractor shall record each percent loss in the Additional U/W Body Test Results Report.
3.2.3 Minimum thickness. The Contractor shall record the minimum thickness found for each designated hull section. (A, B, and C) in the Underwater Hull Body Minimum Thickness Test Results Report, (Refer to Table 3).
3.3 Reporting. The Contractor shall submit a CIR to include a marked up drawing of Figure 1 and 2 and the completed tables.
4.1 Coast Guard Personnel. The Coast Guard inspector will witness all readings.
15 (Rev-0)
FIGURE 1 - STANDARD UT TESTING LOCATIONS (PORT & STARBOARD)
16 (Rev-0)
FIGURE 2 – STANDARD UT TESTING LOCATIONS (TRANSOM)
17 (Rev-0)
TABLE 1 - STANDARD U/W BODY TEST RESULTS REPORT
DATE: ____________________________
*CALCULATING PERCENT LOSS = 100- (UT READING / DESIGN THICKNESS X 100)
18 (Rev-0)
TABLE 2 - ADDITIONAL U/W BODY TEST RESULTS REPORT
DATE: ____________________________
*CALCULATING PERCENT LOSS = 100- (UT READING / DESIGN THICKNESS X 100)
19 (Rev-0)
TABLE 3 - UNDERWATER HULL BODY MINIMUM THICKNESS TEST RESULTS REPORT
DATE: ______________________
20 (Rev-0)
LOCATIONS MIN. THICKNESS FOUND DESIGN
THICKNESS
MINIMUM
ALLOWED
THICKNESS
AT 25%
LOSS
MINIMUM
ALLOWED
THICKNESS
AT 50%
LOSS
(A) (B) (C)
Port Hull: Boot Top to
Keel
.250 .187 .125
Port Hull: Boot Top to
Keel
.313 .234 .156
STBD Hull: Boot Top to Keel
STBD Hull: Boot Top to Keel
.313 .234 .156
Transom Hull: Boot
Top to Keel
Comments:
21 (Rev-0)
11000_0320_FLT
REC_11000_UWHIB_FLT_47' MLB (ALL) (0619)
WORK ITEM 3: 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 47B-MLB 110-500, Rev H, Shell Plating
Coast Guard Drawing 47B-MLB 631-020, Rev L, Paint Schedule
Coast Guard Drawing 47B-MLB 801-002, Rev -, Docking Plan
COAST GUARD PUBLICATIONS
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2018, General Requirements
OTHER REFERENCES
ASTM International (ASTM) D4138, 2013, Standard Practices for Measurement of Dry Film
Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means
The Society for Protective Coatings (SSPC), January 2015, Paint Application Specification No. 2
(PA-2), Procedure for Determining Conformance to Dry Coating Thickness Requirements
3. REQUIREMENTS
3.1 General.
3.1.1 CIR.
22 (Rev-0)
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, sea beam arrays, tunnels, hull openings, and grates for general appearance, loose, damaged, or missing grates, loose or missing fasteners, condition of sea strainers and lockwire on bolts, marine growth on grating slots, and any obstructions in the openings that might prevent proper suction and discharge of water.
3.2.3 Rudders. The Contractor shall check general condition, condition around the drain plugs, and check for pitting, if any, on the leading and trailing edges.
3.2.4 Propeller and shaft associated components. The Contractor shall inspect the condition of propellers for signs of corrosion, pitting, erosion, fouling, cracks, dings, and nicks by side and blade; inspect 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.
23 (Rev-0)
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, sea beam array, 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.
4. NOTES
4.1 Definitions.
4.1.1 "Partial – Condition A”: The condition that exists where the substrate is exposed in up to 33% of the entire U/W body.
4.1.2 "Partial - Condition B": The condition that exists where the anticorrosive (AC) undercoating system has incurred damage, but, the u/w body hull substrate is not exposed in any location.
4.1.3 "Partial - Condition C”: The condition that exists where damage is confined to the antifoulant (AF) topcoating; the epoxy undercoating system is not exposed in any location.
4.1.4 "100%”: The condition that exists where more than 33% of the U/W body hull substrate is exposed.
4.2 UWHIB convention. The COR will convene the UWHIB as soon as possible after the vessel has been dry-docked and before any work (except U/W hull cleaning/wash down) is performed on the U/W hull and appendages.
24 (Rev-0)
11001_AKP_0620_47279
WORK ITEM 4: Hull Plate, Renew
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to crop out and renew hull plating from approximately four inches aft of frame one to approximately four inches aft of frame four and outboard approximately four inches from the keel, port and starboard. Bid work in accordance with items identified in table 1.
TABLE 1- HULL PLATE, RENEW
ITEM DESCRIPTION LOCATION
Crop and renew approximately two square feet of plate in starboard and port side area of the forward deck box.
Forward Deck Box
Crop and renew approximately two square feet of plate in forward area of the starboard engine, shaft tube bilge plate.
Engine Room
Crop and renew approximately six square feet of plate in the centerline bilge between frame 1 and 4.
Engine Room
Crop and renew approximately four square feet of plate in the port and starboard centerline of the space between frame 4 and 5.
Engine Room
Crop and renew approximately two square feet of plate in the starboard side bilge, outboard of the battery box.
Auxiliary Space
Crop and renew four square feet of plate underside of the battery box.
Auxiliary Space
25 (Rev-0)
2. REFERENCES
COAST GUARD DRAWINGS
Coast Guard Drawing 47B-MLB 110-202, Rev F, Transverse Bhd Fr 1
Coast Guard Drawing 47B-MLB 110-301, Rev D, Web Fr 2
Coast Guard Drawing 47B-MLB 110-302, Rev D, Web Fr 3
Coast Guard Drawing 47B-MLB 110-303, Rev C, Web Fr 4
Coast Guard Drawing 47B-MLB 110-400, Rev H, Keel & Longitudinals
Coast Guard Drawing 47B-MLB 110-500, Rev J, Shell Plating
Coast Guard Drawing 47B-MLB 201-010, Rev L, Machinery Arrangement
Coast Guard Drawing FL-85-002, Rev -, GFE Boat Hot Work Diagrams
Coast Guard Technical publication (TP) 3355, SWBS 086, Apr 2003, General Information Book, Section A, CH 6
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2018, General Requirements
Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2018, Welding and Allied Processes
Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2018, Requirements for Preservation of Ship Structures
OTHER REFERENCES
The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface
Preparation Standard SSPC-SP 10/NACE No.2, 2006, Near-White Blast Cleaning
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.
26 (Rev-0)
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:
Bilge pumps ( Engine room and lazarette)
Fuel supply lines
Fuel return lines
Primary fuel filters
3.1.5 Removal and weld plan. Prior to any removals and welding the Contractor shall submit to the
COTR a removal and weld plan that will minimize any hull structural fluctuation.
3.1.6 Operational test - initial. Prior to commencement of work, the Contractor shall witness Coast Guard personnel perform an initial operational test…
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