SPEC FOR STATEN ISLAND

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EMERGENCY DRYDOCK FOR CGC STATEN ISLAND
Solicitation number
HSCG80-11-Q-P45M21
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USCGC STATEN ISLAND (WPB-110C) EMERGENCY DRYDOCK AVAILABILITY 2012

USCGC STATEN ISLAND (WPB 1345)

110 FOOT "C CLASS" PATROL BOAT (USCG)

SPECIFICATION FOR EMERGENCY DRYDOCK REPAIRS

Developed By: Donnie R Boyer (Rev-0, 14 September 2011)

TABLE OF CONTENTS

iiiRevisions Record ivConsolidated List of References viConsolidated List of Government-furnished Property viiConsolidated List of Critical Inspection Items viiiPrincipal Characteristics

1General Requirements

11WORK ITEM 1: Hull and Structural Plating Repairs - Crack (Steel)

13WORK ITEM 2: Steel Hull and Structural Plating Repairs (5-Pound)

16WORK ITEM 3: Steel Hull and Structural Plating Repairs ( 7.0 Pound, 7.5-Pound or 7.65-Pound)

19WORK ITEM 4: Steel Hull and Structural Plating Repair s , Corrugated Plate (4.0-Pound)

21WORK ITEM 5: Hull and Structural Plating Repairs (6.0-Pound or 5.63-Pound)

24WORK ITEM 6: Perform Steel Hull and Structural Plating Repairs (10-Pound or 10.2-Pound)

27WORK ITEM 7: Propulsion System , Alignment Check

31WORK ITEM 8: Propulsion Shafting, Remove, Inspect, and Reinstall

36WORK ITEM 9: Mechanical Shaft Seal Assemblies, Overhaul

39WORK ITEM 10: Propulsion Shaft Bearings (External) , Renew

42WORK ITEM 11: Propulsion Shaft Stern Tube Bearings , Renew

45WORK ITEM 12: Propellers ; Remove, Inspect, and Reinstall

48WORK ITEM 13: Rudder Assembly, Remove, Inspect and Reinstall

53WORK ITEM 14: U/W Body, Preserve “100%”

56WORK ITEM 15: U/W Body, Preserve “Partial – Condition A ”

60WORK ITEM 16: U/W Body, Preserve “Partial - Condition B”

64WORK ITEM 17: U/W Body, Preserve “Partial - Condition C ”

68WORK ITEM 18: Drydocking

71WORK ITEM 19: Temporary Services, Provide

74WORK ITEM 20: Data Service , Provide

76WORK ITEM 21: Sea Trial Performance, Provide Support

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 110 WPB 074-002, Rev -, Welding Details Handbook Coast Guard Drawing 110 WPB 085-002, Rev -, Docking Plan Coast Guard Drawing 110 WPB 085-010, Rev B, Docking Plan, Docking/Lifting Cradle Coast Guard Drawing 110 WPB 111-001, Rev B, Shell Expansion Coast Guard Drawing 110 WPB 117-001, Rev A, Transverse Sections Coast Guard Drawing 110 WPB 243-006, Rev C, Propulsion Shaft Details (Partially supercedes 110 WPB 243-002, 110B WPB 243-002, and 110C WPB 243-002) Coast Guard Drawing 110 WPB 601-002, Rev D, Outboard Profile and Weather Decks Coast Guard Drawing 110C WPB 074-002, Rev A, Welding Details Handbook Coast Guard Drawing 110C WPB 111-001, Rev C, Shell Expansion Coast Guard Drawing 110C WPB 117-001, Rev D, Transverse Sections Coast Guard Drawing 110C WPB 161-001, Rev A, Main Shaft Strut Details Coast Guard Drawing 110C WPB 161-002, Rev B, Main Shaft Strut Installation Coast Guard Drawing 110C WPB 161-003, Rev A, Intermediate Shaft Strut Details Coast Guard Drawing 110C WPB 161-004, Rev B, Intermediate Shaft Strut Installation Coast Guard Drawing 110C WPB 161-005, Rev F, Stern Tube Installation Details Coast Guard Drawing 110C WPB 161-005, Rev F, Stern Tube Installation Details(SUPERCEDES 110-WPB_161_5 & 110B-WPB_161_5) Coast Guard Drawing 110C WPB 161-005, Rev F, Stern Tube Installation Details.

Coast Guard Drawing 110C WPB 243-002, Rev A, Propulsion Shafting & Details Coast Guard Drawing 110C WPB 243-005, Rev C, Shaft Locking Details Coast Guard Drawing 110C WPB 245-001, Rev-, Propeller Details Coast Guard Drawing 110C WPB 245-002, Rev A, Assembly of Oil Injection Equipment Coast Guard Drawing 110C WPB 562-001, Rev G, Rudder Details

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3C, Change 1, Jun 2006, Coatings and Color Manual Coast Guard Technical Publication and as shown on Coast Guard Drawing 110C WPB 245-003 Coast Guard Technical Publication (TP) 3245, Jan 1988, Chapter 561, Vosper-Thornycroft Steering Manual Coast Guard Technical Publication (TP) 3495, May 2002, Chapter 243, Installation Duramax Shaft Seal System Coast Guard Technical Publication (TP) 3906, Oct 2002, Ship’s Steering Gear System Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), Jan 2009, Drydocking Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), Jan 2009, Provide Temporary Services

OTHER REFERENCES

ASTM International (ASTM) D 4138, 2007, Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means ASTM International (ASTM) D4417, 2003, Standard Test Methods for Field Measurement of Surface Profile of Blast Cleaned Steel ASTM International (ASTM) D5363, 2003, Standard Specification for Anaerobic Single Component Adhesives Code of Federal Regulations (CFR) Title 33 CFR, 2008, Navigation and Navigable Waters Code of Federal Regulations (CFR) Title 40, Chapter I, 2008, Environmental Protection Agency Code of Federal Regulations (CFR) Title 49, Chapter I, 2008, Pipeline and Hazardous Materials Safety Administration, Department Of Transportation Commercial Item Description (CID) A-A-59316, Nov 2003, Abrasive Materials for Blasting International Organization for Standardization (ISO) 484/2, 1981, Shipbuilding - Ship Screw Propeller - Manufacturing tolerances - Part 2: Propellers of Diameter Between 0.80 and 2.50m, Inclusive MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning MIL-PRF-24647, Jun 2006, Paint System, Anticorrosive and Antifouling, Ship Hull The Society for Protective Coatings (SSPC) VIS 1, 2004, Guide and Reference Photographs for Steel Surfaces Prepared by Dry Abrasive Blast Cleaning The Society for Protective Coatings (SSPC)/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, 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 7/NACE No.4, 2007, Brush-Off 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)

8
N
**4" Diameter x 28' Long, Aquamet-17 propulsion shaft
NSN: 2010-01-445-7940
2 ea.
8,700.00
8
N
**Forward Bearing Housing
NSN: 3130-01-442-2863
2 ea.
5,421.00
8
N
*Oil Injection Equipment Kit
N/A
1 set
6,000.00
9
N
Shaft seal assembly kit
NSN: 5330-01-497-8095
2 ea.
859.48
9
N
**Shaft seal assembly
NSN: 4320-01-497-8057
2 ea.
3,111.84
9
N
Emergency Shaft Seal Inflator Kit
NSN: 5330-01-497-9866
2 ea.
175.00
10
N
Main Shaft Strut Bearing, Bronze and rubber cutlass bearing, 4" ID x 5" OD x 16” Long
NSN: 3120-01-222-3927
2 ea.
200.00
10
N
Intermediate Shaft Strut Bearing, Bronze and rubber cutlass bearing, 4" ID x 5" OD x 16” Long
NSN: 3120-01-222-3927
2 ea.
200.00
11
N
Stern Tube Bearing, Bronze and Rubber cutlass bearing,

4" ID x 5" OD x 8” Long

NSN: 3120-01-238-0689
2 ea.
150.00
12
Y
**Propeller, LH
NSN: 2010-01-222-2440
1 ea.
23,445.00
12
Y
**Propeller, RH
NSN: 2010-01-222-2441
1 ea.
22,800.00
13
Y
**Rudder
NSN: 2040-01-223-2674
2 ea.
25,000.00
18
Y
*Transducer Cover Plate
N/A
1 ea.
50.00

*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_STD, paragraph 3.2.6.5 (Inspection report particulars)):

Work Item Title

13
Rudder Assembly, Remove, Inspect and Reinstall

Principal Characteristics

PC_110C_WPB_0909

110’ WPB (“C”-CLASS) PATROL BOAT

PHysical Characteristics

Length Overall
110' 0" or 113' if stern flap present
Length between Perpendiculars
104' 0"
Depth
10' 1/2"
Beam, Molded
21' 3"
Depth, Molded
N/A
Full Load Draft
6' 5-3/4"
Height of Highest Projection
55'
Full Load Displacement
165 long tons
Anchor
150 lb Danforth with 450 ft. 4" nylon rope
Shore Tie Voltage Requirements
450VAC 400A 3PH, 60Hz ungrounded

Hull Characteristics

Hull
BS-4360, GR 43A Steel
Main Weatherdeck & Superstructure
5086 Aluminum Alloy
Frame Spacing
Frames 9-10; 24" Frames 10-13; 48" Frames 13-16; 47" Frames 16-17; 23" Frames 17-22; 47" Frames 22-28; 49" Frames 28-33; 47" Frames 33-36; 24"
Bulkheads
Seven watertight transverse
Fin Stabilizers
Frame 22

110’ WPB (“C”-CLASS) PATROL BOAT

Machinery Characteristics

Main Propulsion
Two Caterpillar 3516 DITA V-16 diesel; 2730 BHP each @ 1910 RPM
Reduction Gears
Two ZF Model BW 755 reversible reduction gearboxes, 2.330:1 ratio
Number of Propellers
2
Number of Blades
5
Diameter of Propeller
49.6"
Pitch
61.4"
RPM
N/A
Shaft
Monel Alloy K500, or AQUAMET 17
Shaft Diameter
4"
Shaft Seal
Shaft Packing
Shaft Bearings
Stern tube, Rubber Cutless or Thordon
Rudders
Twin underslung type, 5 sq ft each
Ship's Service Generators
Two Caterpillar Type 3304BT diesel; 99KW, 460V, 60Hz, 3-phase, 3-wire @ 1800 RPM

Tank CAPACITIES

Fuel Oil (95%)
9,306 gal
Fresh Water (100%)
940 gal
Lubricating Oil (95%)
109 gal

00000_PWB_0811_FLT

REC_0000_FLT_ Commercial Project @ Contractor’ Facility (0211) General Requirements

1. SCOPE

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

2. REFERENCES

Coast Guard Drawings None.

Coast Guard Publications Coast Guard Commandant Instruction (COMDTINST) M10360.3C, Change 1, Jun 2006, Coatings and Color Manual Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Other References ASTM International (ASTM) D4417, 2003, Standard Test Methods for Field Measurement of Surface Profile of Blast Cleaned Steel Commercial Item Description (CID) A-A-59316, Nov 2003, Abrasive Materials for Blasting Code of Federal Regulations (CFR) Title 33 CFR, 2008, Navigation and Navigable Waters Code of Federal Regulations (CFR) Title 40, Chapter I, 2008, Environmental Protection Agency Code of Federal Regulations (CFR) Title 49, Chapter I, 2008, Pipeline and Hazardous Materials Safety Administration, Department Of Transportation MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning The Society for Protective Coatings (SSPC) VIS 1, 2004, Guide and Reference Photographs for Steel Surfaces Prepared by Dry Abrasive Blast Cleaning

3. REQUIREMENTS

3.1 General. The Contractor shall conform to all requirements specified in SFLC Std Spec 0000 and in this item, as applicable, during the performance of this availability.

NOTE

The requirements of paragraph 3.1 (General) applies to all work under the scope of this contract, whether explicitly stated in work items or not, and also to all other work subsequently authorized by changes, modifications, or extensions to the contract.

3.2 Contractor-provided fire watch personnel. The Contractor shall provide fire watch personnel and equipment.

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

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

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

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

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

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

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

3.5.1 Coupon material and test set-up particulars.

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

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

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

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

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

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

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

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

· Delivery rate and pressure settings.

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

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

· The selected abrasive media type and size.

· The nozzle size and type.

· The delivery rate and pressure.

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

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

NOTES

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

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

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

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

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

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

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

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

· When Directed by the COTR.

CAUTION!

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

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

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

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

· Ordinary low water mark on non-tidal rivers.

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

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

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

· Shower stalls are equipped with privacy screens.

· Sinks are provided with fresh hot and cold water.

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

· Toilets have doors or privacy dividers.

· Lockers are capable of being locked.”

4. NOTES

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

4.2 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in SFLC Std Spec 0000 to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this 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 COMDTINST M10360.3, Appendix C.

CHECKPOINT 2 - PAINT STORAGE

Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating mfgr.

CHECKPOINT 3 - AMBIENT CONDITIONS

Ensure surface and surrounding temperatures are each between 50 and 90°F for water-based coatings, and 35 and 95°F for other coatings, unless otherwise specified by the coating manufacturer(s).

Ensure maximum relative humidity (RH) is as follows, from surface preparations through final curing of topcoat: 50% for tanks, voids, and vent plenum; and 85% for all other areas, unless otherwise specified by manufacturer(s).

Ensure surface temperature is at least 5°F above the dew point, unless otherwise specified by the coating mfgr.

CHECKPOINT 4 - PRE-SURFACE PREPARATION

Remove surface contaminants (soluble salts, loose rust, mud, and marine growth) with low pressure fresh water wash down (maximum 5,000 psi). If oil and grease are present, perform solvent cleaning, as per SSPC SP-1.

Verify equipment setup, blast media, and surface preparation methods match designated test coupon.

CHECKPOINT 5 - SURFACE PREPARATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure cleanliness of prepared surface is as per specification (i.e.: SSPC SP-12, SP-11, SP-10…).

Verify surface anchor profile using ASTM D4417-Methods B or C against COMDTINST M10360.3. Conduct profile readings at a minimum of 5 locations for the first 1000-sqft area, and 2 locations for each succeeding 1000-sqft area.

Measure soluble salt conductivity in accordance with SSPC-Guide 15. Conduct 5 measurements per each 1000-sqft area (max. threshold: 70 microsiemens/cm for non-submerged surfaces, 30 microsiemens/cm for submerged surfaces).

CHECKPOINT 6 - PRIMER COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Verify proper mixing and stand-in (induction) times.

Ensure no paint is applied when the temperature is expected to drop to freezing before the paint has dried.

Ensure surfaces are completely dry, unless otherwise allowed by the coating manufacturer(s).

Verify wet film thickness (WFT) at random, to prevent under or over application. Verify final DFT.

Brush out all runs, sags, drips, and puddles.

Perform visual inspection for holidays and other defects.

CHECKPOINT 7 – STRIPE COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

After primer coat (mist coat after inorganic zinc), brush-apply un-thinned coat of same primer paint over edges, weld seams, cut-outs, and areas of complex geometries @ 3-4 mils wet film thickness (WFT).

CHECKPOINT 8 – TOP COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

Verify proper mixing and stand-in (induction) times, as applicable.

Verify wet film thickness at random, to prevent under or over application.

Brush out all runs, sags, drips, and puddles.

CHECKPOINT 9 – FINAL INSPECTION

Verify final system dry film thickness. Conduct 5 sets of 3 readings for each of the first 3 100-sqft areas, followed by 5 sets of 3 readings for each succeeding 1000-sqft area.

Ensure that system cure is in accordance with manufacturer's recommendation for intended service.

Ensure potable water tank exhaust ventilation is maintained continuously from and during coating application through final system cure, to exhaust all solvent to the atmosphere and to prevent solvent entrapment.

For immersion coatings (including tank U/W body), record date and time of the following events:

Final coat application: _____/_____; Return to service or removal from environment controls: _____/_____

CHECKPOINT 10 – RECORD KEEPING

Complete, sign, and submit all provided QA Inspection Forms.

Name of QP-1/NACE Inspector
Signature
Cert. #
Date / Time

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-12/NACE No. 5

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area)

Brush-blasting (non-metallic substrate)

Abrasive Manufacturer and Sieve Size: _________________________________ Place surface profile replica tapes in the spaces provided below, to serve as permanent QA record. Maintain a separate log for each location. When an area is divided into separate sections, maintain a separate log for each section.

Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils

Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils

Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils

Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils

Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils

Mean Mil Reading (IAW ASTM D4417-Method C) for above 15 readings: ______________

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-12/NACE No. 5

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area)

Brush-blasting (non-metallic substrate)

Abrasive Manufacturer and Sieve Size: _________________________________ Record measurements taken in the spaces provided below, to serve as permanent QA record. Maintain separate log for each location. When an area is divided into separate sections, maintain a separate log for each section.

Reading:
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_____ mils
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_____ 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

Overall Avg. DFT

ADJUSTMENTS

Avg. BMR
Deviation
Before Adjustments
After Adjustments

Avg.

SPOT
1
2
3
4
5

Overall Avg. DFT

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

11104_ENV_0811_110WPB

REC_11100_Steel_«REC»

WORK ITEM 1: Hull and Structural Plating Repairs - Crack (Steel)

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to repair cracked steel welds.

1.2 Government-furnished property.

None.

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), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Other References None.

3. REQUIREMENTS

3.1 General. The Contractor shall perform the tasks specified herein, using SFLC Std Spec 0000 and SFLC Std Spec 0740 as guidance.

3.1.1 CIR.

None.

3.1.2 Technical Representative. All individuals performing visual or other NDI operations shall be knowledgeable concerning each of the principles and methods of inspection required on the weldment. The qualification and certification of these inspectors shall be documented through the administration of written and hand-on practical examinations as performed by one of the following methods:

· AWS Senior Certified Welding Inspector (SCWI) or CWI program.

· American Society for Nondestructive Testing (ASNT) Qualification and Certification of NDT Personnel, as provided for in SNT-TC-1A Table 1A, 1B, 1C or 1D.

· The inspector shall be at a minimum certified to the ASNT Central Certification Program (ACCP) Level II certification.

3.1.3 Protective measures.

Not applicable.

3.1.4 Interferences.

None.

NOTE

This item does not address interferences in way of repair work. Cost of interference removal and reinstallation is not included in the scope of work and will be negotiated via a separate Change Request.

3.2 Repair particulars. The Contractor shall perform crack repairs to steel plate as directed by the COTR in (1) linear foot increments. The linear footage of crack repair is the length of the crack, the crack shall be repaired by welding on both sides of the plate.

3.2.1 The Contractor shall create the initial anchor profile on the newly installed weld and all surrounding metal affected by the welding process.

3.3 Touch-up preservation. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces to match existing adjacent surfaces, in accordance with COMDTINST M10360.3, Appendix A (Cutter and Boat Exterior Painting Systems) and Appendix B (Cutter and Boat Interior Painting Systems), respectively, and as applicable. Abide by all touch-up requirements outlined in SFLC Std Spec 0000, Appendix A (Requirements for Preservation of Ship Structures).

4. NOTES

This section is not applicable to this work item.

11106_ENV_0811_110_WPB

REC_11100_Steel_110' WPB ‘C’ Class (ALL) (0811)

WORK ITEM 2: Steel Hull and Structural Plating Repairs (5-Pound)

1.1 Intent. This work item describes the requirements for the Contractor to renew 5-pound (5-lb) steel plating, up to 4 square feet.

1.2 Government-furnished property.

None.

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 110C WPB 111-001, Rev C, Shell Expansion Coast Guard Drawing 110C WPB 117-001, Rev D, Transverse Sections Coast Guard Drawing 110C WPB 074-002, Rev A, Welding Details Handbook 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), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Other References None.

3. REQUIREMENTS

3.1 General. The Contractor shall perform the tasks specified herein, using SFLC Std Spec 0740, SFLC Std Spec 0740 and Coast Guard Drawings listed in Section 2 (References) as guidance.

3.1.1 CIR.

None.

3.1.2 Technical Representative. All individuals performing visual or other NDI operations shall be knowledgeable concerning each of the principles and methods of inspection required on the weldment. The qualification and certification of these inspectors shall be documented through the administration of written and hand-on practical examinations as performed by one of the following methods:

· AWS Senior Certified Welding Inspector (SCWI) or CWI program.

· American Society for Nondestructive Testing (ASNT) Qualification and Certification of NDT Personnel, as provided for in SNT-TC-1A Table 1A, 1B, 1C or 1D.

· The inspector shall be at a minimum certified to the ASNT Central Certification Program (ACCP) Level II certification.

3.1.3 Protective measures.

Not applicable.

3.1.4 Interferences.

None.

NOTE

This item does not address interferences in way of repair work. Cost of interference removal and reinstallation is not included in the scope of work and will be negotiated via a separate Change Request.

3.2 Renewal particulars. The Contractor shall renew 5-lb steel plating, as designated by the COTR, up to 4 square feet, using Coast Guard Drawing listed in Section 2 (References) as guidance. The Contractor shall remove the mill scale on newly installed plating and create the ‘initial’ anchor profile.

3.2.1 Material substitution. Be aware that the hull structure (shapes, plates, and bars) for the 110 WPB class cutters is made primarily with BS 4360 Type 43A British steel. If the British steel cannot be obtained, the Contractor shall refer to Coast Guard Drawing 110C WPB 111-001 (General Notes) for guidance. Replace original size plate with industry standard size plate specified below.

Size
Plate (lb/ft2)
Original
Industry Standard
B
5.0
5.1

3.2.2 Plate degradation. When measuring existing plate thickness; use the nominal, as-built plate thickness specified below to calculate the percent wastage.

Size
Original

(lb/ft2) As-built Thickness (inch)

B
5.0
.111

3.3 Touch-up preservation. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces to match existing adjacent surfaces, in accordance with COMDTINST M10360.3, Appendix A (Cutter and Boat Exterior Painting Systems) and Appendix B (Cutter and Boat Interior Painting Systems), respectively, and as applicable. Abide by all touch-up requirements outlined in SFLC Std Spec 0000, Appendix A (Requirements for Preservation of Ship Structures).

4. NOTES

This section is not applicable to this work item.

11107_ENV_0811_110WPB

WORK ITEM 3: Steel Hull and Structural Plating Repairs ( 7.0 Pound, 7.5-Pound or 7.65-Pound)

1.1 Intent. This work item describes the requirements for the Contractor to renew 7.0-pound (7.0-lb), 7.5-Pound (7.5-lb), or 7.65-Pound (7.65-lb) steel plating, up to 4 square feet.

1.2 Government-furnished property.

None.

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 110C WPB 111-001, Rev C, Shell Expansion Coast Guard Drawing 110C WPB 117-001, Rev D, Transverse Sections Coast Guard Drawing 110C WPB 074-002, Rev A, Welding Details Handbook 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), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Other References None.

3. REQUIREMENTS

3.1 General. The Contractor shall perform the tasks specified herein, using SFLC Std Spec 0000, SFLC Std Spec 0740 and Coast Guard Drawings listed in Section 2 (References) as guidance.

3.1.1 CIR.

None.

3.1.2 Technical Representative. All individuals performing visual or other NDI operations shall be knowledgeable concerning each of the principles and methods of inspection required on the weldment. The qualification and certification of these inspectors shall be documented through the administration of written and hand-on practical examinations as performed by one of the following methods:

· AWS Senior Certified Welding Inspector (SCWI) or CWI program.

· American Society for Nondestructive Testing (ASNT) Qualification and Certification of NDT Personnel, as provided for in SNT-TC-1A Table 1A, 1B, 1C or 1D.

· The inspector shall be at a minimum certified to the ASNT Central Certification Program (ACCP) Level II certification.

3.1.3 Protective measures.

Not applicable.

3.1.4 Interferences.

None.

NOTE

This item does not address interferences in way of repair work. Cost of interference removal and reinstallation is not included in the scope of work and will be negotiated via a separate Change Request.

3.2 Renewal particulars. The Contractor shall renew 7.0-lb, 7.5-lb, or 7.65-lb steel plating, as designated by the COTR, up to 4 square feet, using Coast Guard Drawing listed in Section 2 (References) as guidance. The Contractor shall remove the mill scale on newly installed plating and create the ‘initial’ anchor profile.

3.2.1 Structural steel replacement particulars. Be aware that the hull structure (shapes, plates, and bars) for the 110 WPB class cutters is made primarily with BS 4360 Type 43A British steel. If the British steel cannot be obtained, the Contractor shall refer to Coast Guard Drawing 110C WPB 111-001 (General Notes) for guidance. Replace original size plate with industry standard size plate specified below.

Size
Plate (lb/ft2)
Original
Industry Standard
D
7.0 and 7.5
7.65

3.2.2 Plate degradation. When measuring existing plate thickness; use the nominal, as-built plate thickness specified below to calculate the percent wastage.

Size
Original

(lb/ft2) As-built Thickness (inch)

D
7.0
.160
D
7.5
.172
D
7.65
.187

3.3 Touch-up preservation. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces to match existing adjacent surfaces, in accordance with COMDTINST M10360.3, Appendix A (Cutter and Boat Exterior Painting Systems) and Appendix B (Cutter and Boat Interior Painting Systems), respectively, and as applicable. Abide by all touch-up requirements outlined in SFLC Std Spec 0000, Appendix A (Requirements for Preservation of Ship Structures).

This section is not applicable to this work item.

11108_ENV_0811_110WPB

WORK ITEM 4: Steel Hull and Structural Plating Repair s , Corrugated Plate (4.0-Pound)

1.1 Intent. This work item describes the requirements for the Contractor to renew 4.0-pound (4-lb) corrugated steel plating, up to 4 square feet.

1.2 Government-furnished property.

None.

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 110C WPB 111-001, Rev C, Shell Expansion Coast Guard Drawing 110C WPB 117-001, Rev D, Transverse Sections Coast Guard Drawing 110C WPB 074-002, Rev A, Welding Details Handbook 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), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Other References None.

3. REQUIREMENTS

3.1 General. The Contractor shall perform the tasks specified herein, using SFLC Std Spec, SFLC Std Spec 0740 and Coast Guard Drawings listed in Section 2 (References) as guidance.

3.1.1 CIR.

None.

3.1.2 Technical Representative. All individuals performing visual or other NDI operations shall be knowledgeable concerning each of the principles and methods of inspection required on the weldment. The qualification and certification of these inspectors shall be documented through the administration of written and hand-on practical examinations as performed by one of the following methods:

· AWS Senior Certified Welding Inspector (SCWI) or CWI program.

· American Society for Nondestructive Testing (ASNT) Qualification and Certification of NDT Personnel, as provided for in SNT-TC-1A Table 1A, 1B, 1C or 1D.

· The inspector shall be at a minimum certified to the ASNT Central Certification Program (ACCP) Level II certification.

3.1.3 Protective measures.

Not applicable.

3.1.4 Interferences.

None.

3.2 Renewal particulars. The Contractor shall renew 4-lb corrugated steel plating, as designated by the Coast Guard Inspector, up to 4 square feet, using the Coast Guard drawings listed in section 2 (References) as guidance. The Contractor shall remove the mill scale on newly installed plating and create the ‘initial’ anchor profile

NOTE

This item does not address interferences in way of repair work. Cost of interference removal and reinstallation is not included in the scope of work and will be negotiated via a separate Change Request.

3.2.1 Structural steel replacement particulars. Be aware that the hull structure (shapes, plates, and bars) for the 110 WPB class cutters is made primarily with BS 4360 Type 43A British steel. If the British steel cannot be obtained, the Contractor shall refer to Coast Guard Drawing 110C WPB 111-001 (General Notes) for guidance. Replace original size plate with industry standard size plate specified below.

Size
Plate (lb/ft2)
Original
Industry Standard
A
4.0
5.1

3.4 Touch-up preservation. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces to match existing adjacent surfaces, in accordance with COMDTINST M10360.3, Appendix A (Cutter and Boat Exterior Painting Systems) and Appendix B (Cutter and Boat Interior Painting Systems), respectively, and as applicable. Abide by all touch-up requirements outlined in SFLC Std Spec 0000, Appendix A (Requirements for Preservation of Ship Structures).

This section is not applicable to this work item.

11109_ENV_0811_110WPB

REC_11100_Steel_110' WPB ‘A’ Class (ALL) (0811)

WORK ITEM 5: Hull and Structural Plating Repairs (6.0-Pound or 5.63-Pound)

1.1 Intent. This work item describes the requirements for the Contractor to renew 6.0-pound (6.0-lb) or 5.63-pound (5.63-lb) steel plating, up to 4 square feet.

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 110 WPB 111-001, Rev B, Shell Expansion Coast Guard Drawing 110 WPB 117-001, Rev A, Transverse Sections Coast Guard Drawing 110 WPB 074-002, Rev -, Welding Details Handbook 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), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Other References None.

3. REQUIREMENTS

3.1 General. The Contractor shall perform the tasks specified herein, using SFLC Std Spec 0000, SFLC Std Spec 0740 and Coast Guard Drawings listed in Section 2 (References) as guidance.

3.1.1 CIR.

None.

3.1.2 Technical Representative. All individuals performing visual or other NDI operations shall be knowledgeable concerning each of the principles and methods of inspection required on the weldment. The qualification and certification of these inspectors shall be documented through the administration of written and hand-on practical examinations as performed by one of the following methods:

· AWS Senior Certified Welding Inspector (SCWI) or CWI program.

· American Society for Nondestructive Testing (ASNT) Qualification and Certification of NDT Personnel, as provided for in SNT-TC-1A Table 1A, 1B, 1C or 1D.

· The inspector shall be at a minimum certified to the ASNT Central Certification Program (ACCP) Level II certification.

3.1.3 Protective measures.

Not applicable.

3.1.4 Interferences.

None.

NOTE

This item does not address interferences in way of repair work. Cost of interference removal and reinstallation is not included in the scope of work and will be negotiated via a separate Change Request.

3.2 Renewal particulars. The Contractor shall renew 6.0-lb or 5.63-lb steel plating, as designated by the COTR, up to 4 square feet. The Contractor shall remove the mill scale on newly installed plating and create the ‘initial’ anchor profile.

3.2.1 Structural steel replacement particulars. Be aware that the hull structure (shapes, plates, and bars) for the 110 WPB class cutters is made primarily with BS 4360 Type 43A British steel. If the British steel cannot be obtained, the Contractor shall refer to Coast Guard Drawing 110 WPB 111-001 (General Notes) for guidance. Replace original size plate with industry standard size plate specified below.

Size
Plate (lb/ft2)
Original
Industry Standard
C
6.0
5.63

3.2.2 Plate degradation. When measuring existing plate thickness; use the nominal, as-built plate thickness specified below to calculate the percent wastage.

Size
Original

(lb/ft2) As-built Thickness (inch)

C
6.0
.138

3.3 Touch-up preservation. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces to match existing adjacent surfaces, in accordance with COMDTINST M10360.3, Appendix A (Cutter and Boat Exterior Painting Systems) and Appendix B (Cutter and Boat Interior Painting Systems), respectively, and as applicable. Abide by all touch-up requirements outlined in SFLC Std Spec 0000, Appendix A (Requirements for Preservation of Ship Structures).

This section is not applicable to this work item.

11100_ENV_0811_110WPB

WORK ITEM 6: Perform Steel Hull and Structural Plating Repairs (10-Pound or 10.2-Pound) 1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew 10-pound (10-lb) or 10.2-pound (10.2-lb) steel plating, up to 4 square feet.

1.2 Government-furnished property.

None.

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 110C WPB 111-001, Rev C, Shell Expansion Coast Guard Drawing 110C WPB 117-001, Rev D, Transverse Sections Coast Guard Drawing 110C WPB 074-002, Rev A, Welding Details Handbook 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), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Other References None.

3. REQUIREMENTS

3.1 General. The Contractor shall perform the tasks specified herein, using SFLC Std Spec 0000, SFLC Std Spec 0740 and Coast Guard Drawings listed in Section 2 (References) as guidance.

3.1.1 CIR.

None.

3.1.2 Technical Representative. All individuals performing visual or other NDI operations shall be knowledgeable concerning each of the principles and methods of inspection required on the weldment. The qualification and certification of these inspectors shall be documented through the administration of written and hand-on practical examinations as performed by one of the following methods:

· AWS Senior Certified Welding Inspector (SCWI) or CWI program.

· American Society for Nondestructive Testing (ASNT) Qualification and Certification of NDT Personnel, as provided for in SNT-TC-1A Table 1A, 1B, 1C or 1D.

· The inspector shall be at a minimum certified to the ASNT Central Certification Program (ACCP) Level II certification.

3.1.3 Protective measures.

Not applicable.

3.1.4 Interferences.

None.

NOTE

This item does not address interferences in way of repair work. Cost of interference removal and reinstallation is not included in the scope of work and will be negotiated via a separate Change Request.

3.2 Renewal particuars. The Contractor shall renew 10.0-lb or 10.2-lb steel plating, as designated by the COTR, up to 4 square feet, using Coast Guard Drawing listed in Section 2 as guidance. The Contractor shall remove the mill scale on newly installed plating and create the ‘initial’ anchor profile.

3.2.1 Structural steel replacement particulars. Be aware that the hull structure (shapes, plates, and bars) for the 110 WPB class cutters is made primarily with BS 4360 Type 43A British steel. If the British steel cannot be obtained, the Contractor shall refer to Coast Guard Drawing 110C WPB 111-001 (General Notes) for guidance. Replace original size plate with industry standard size plate specified below.

Size
Plate (lb/ft2)
Original
Industry Standard
E
10.0
10.2

3.2.2 Plate degradation. When measuring existing plate thickness; use the nominal, as-built plate thickness specified below to calculate the percent wastage.

Size
Original

(lb/ft2) As-built Thickness (inch)

E
10.0
.236

3.3 Touch-up preservation. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces to match existing adjacent surfaces, in accordance with COMDTINST M10360.3, Appendix A (Cutter and Boat Exterior Painting Systems) and Appendix B (Cutter and Boat Interior Painting Systems), respectively, and as applicable. Abide by all touch-up requirements outlined in SFLC Std Spec 0000, Appendix A (Requirements for Preservation of Ship Structures).

This section is not applicable to this work item.

23401_EDV_0510_110C

WORK ITEM 7: Propulsion System , Alignment Check

1.1 Intent. This work item describes the requirements for the Contractor to perform a full propulsion system alignment check on both port and starboard propulsion shafting systems.

1.2 Government-furnished property.

None.

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 110C WPB 161-001, Rev A, Main Shaft Strut Details Coast Guard Drawing 110C WPB 161-002, Rev B, Main Shaft Strut Installation Coast Guard Drawing 110C WPB 161-003, Rev A, Intermediate Shaft Strut Details Coast Guard Drawing 110C WPB 161-005, Rev F, Stern Tube…

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