49422 - 49424 BUSL 49 SPECIFICATION PKG REV-0 06 AUGUST 2026.pdf

USCG 49422/49424 (BUSL 49)

SPECIFICATION FOR U/W BODY DRYDOCK REPAIRS

FY2027

Developed By: Timothy Tolliver

(Rev-0, 6 August 2026)

USCG 49422/49424 (BUSL-49) U/W BODY AVAILABILITY FY2027

ii (Rev-0)

TABLE OF CONTENTS

Revisions Record ......................................................................................................................................... iii Consolidated List of References ................................................................................................................... iv Consolidated List of Government-furnished Property ................................................................................. vi Consolidated List of Critical Inspection Items ........................................................................................... vii Principal Characteristics ............................................................................................................................ viii General Requirements WORK ITEM 1: U/W Body, Preserve, 100 percent WORK ITEM 2: Hull Plating Freeboard, Preserve, 100 Percent WORK ITEM 3: Main Mast, Preserve, 100 Percent WORK ITEM 4: Stern Tube Interior Surfaces, Preserve, 100 Percent WORK ITEM 5: Deck (Foredeck), Preserve 100% WORK ITEM 6: Forepeak, Preserve WORK ITEM 7: Hull Identification Markings, Apply WORK ITEM 8: Lazarette, Preserve (100%) WORK ITEM 9: Decks – Exterior (Buoy), Preserve 100 Percent WORK ITEM 10: A-Frame, Preserve 100 Percent WORK ITEM 11: Work Shelter, Temporary, Provide WORK ITEM 12: Anchor Chain Hawse Pipe, Preserve 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 49A BUSL 114-004, Rev G, Skeg & Shaft Tube Arrangement & Details

Coast Guard Drawing 49A BUSL 171-002, Rev G, Mast Construction & Details

Coast Guard Drawing 49A BUSL 171-002, Rev G, Mast Construction and Details

Coast Guard Drawing 49A BUSL 243-001, Rev G, Propulsion Shafting & Bearing Arrangement

Coast Guard Drawing 49A BUSL 573-005, Rev E, Stern A-Frame Construction & Details

Coast Guard Drawing 49A BUSL 573-006, Rev E, Removable Base for A-Frame

Coast Guard Drawing 49A BUSL 581-002, Rev D, Anchor Handling Details

Coast Guard Drawing 49A BUSL 601- 003, Rev E, Outboard Profile and Main Deck

Coast Guard Drawing 49A BUSL 601- 004, Rev A, Inboard Profile and Deck Arrangements

Coast Guard Drawing 49A BUSL 601-003, Rev E, Outboard Profile & Main Deck Arrangement

Coast Guard Drawing 49A BUSL 601-003, Rev E, Outboard Profile and Main Deck Arrangement

Coast Guard Drawing 49A BUSL 602-001, Rev C, Hull LBL Plates/Marks

Coast Guard Drawing 49A BUSL 631- 001, Rev F, Painting Schedule

Coast Guard Drawing 49A BUSL 631-001, Rev F, Painting Schedule

Coast Guard Drawing 49A BUSL 634- 001, Rev C, Deck Covering Schedule

Coast Guard Fleet Drawing FL 2804-12, Rev -, U.S.C.G. Emblem

Coast Guard Fleet Drawing FL 2804-22, Rev A, Consolidated Visual ID for Cutters

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Colors

Manual

Fire Prevention and Response

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General

Requirements

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Latest Version, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Latest Version, Welding and Allied Processes v (Rev-0)

Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), 2022, Shipboard

Electrical Cable Removal, Relocation, Splice, Repair, and Installation

Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2022, Auxiliary

Machine Systems

Surface Forces Logistics Center Standard Specification 5550 (SFLC Std Spec 5550), Latest Version, Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), Latest Version, Requirements for Preservation of Ship Structures

Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2022, Temporary

Services

OTHER REFERENCES

Code of Federal Regulations (CFR) Title 29, Part 1915, Occupational Safety and Health Standards for

Shipyard Employment

MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning

MIL-PRF-24647, Jan 2018, Paint System, Anticorrosive and Antifouling, Ship Hull

NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), July 2012, Requirements for

Fabrication, Welding, and Inspection of Submarine Structure

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2016, Solvent Cleaning

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2012, Power-Tool Cleaning to Bare Metal

The Society for Protective Coatings (SSPC), Surface Preparation Standard SSPC-SP 1, Apr 2015, Solvent

Cleaning

The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation

Standard SSPC-SP 12/NACE No.5, 2002, Surface Preparation and Cleaning of Metals by

Waterjetting Prior to Recoating

The Society for Protective Coatings (SSPC)/NACE-International (NACE) Joint Surface Preparation

Standard SSPC-SP 10/NACE No. 2, (Latest edition), Near-White Blast Cleaning

The Society for Protective Coatings (SSPC)/NACE-International (NACE) Joint Surface Preparation

Standard SSPC-SP 10/NACE No. 2, 2007, Near-White Metal Blast Cleaning vi (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.

This section is not applicable to this package.

vii (Rev-0)

CONSOLIDATED LIST OF CRITICAL INSPECTION ITEMS

The following is a list of work items, which contain Critical Inspection reports, which the Contractor must complete within the first 25% of the availability contract period (see SFLC Std Spec 0000, paragraph 3.2.6.5

(Inspection report particulars)):

Work

Item Title

1 U/W Body, Preserve, 100 percent viii (Rev-0)

PRINCIPAL CHARACTERISTICS

49’ BUSL

PHYSICAL

Length overall 49’ 7”

Depth (main deck at side to baseline) N/A

Maximum beam 16’ 10”

Height of highest projection (above

DWL)

15’

Frame spacing N/A

Full load draft 5’ 7”

Full load displacement 31.65 Long tons

Shore tie voltage requirements 120v

HULL

Hull material

MACHINERY

Number of propellers 2

Number of blades per propeller 4

Diameter of propeller 31”

Pitch 22” fixed

RPM 2300

Shaft diameter N/A

TANKS

1 (Rev-0)

00000_0226_FLT

REC_00000_FLT_Boats @ Commercial Facility (0121)

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), Latest Version, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Latest Version, Welding and Allied Processes

Surface Forces Logistics Center Standard Specification 5550 (SFLC Std Spec 5550), Latest Version, Fire Prevention and Response

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), Latest Version, Requirements for Preservation of Ship Structures

OTHER REFERENCES

Code of Federal Regulations (CFR) Title 29, Part 1915, Occupational Safety and Health Standards for

Shipyard Employment

NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), July 2012, Requirements for

Fabrication, Welding, and Inspection of Submarine Structure

2 (Rev-0)

3. REQUIREMENTS

3.1 General. The Contractor must conform to all requirements specified in SFLC Std Spec 0000 and in this item, as applicable, during the performance of this availability. The requirements in this WI applies to all work under the scope of this contract, whether explicitly stated in all following work items or not, and to all other work subsequently authorized by changes, modifications, or extensions to the contract.

NOTE

NAVSEA drawings listed will be available FOR INSPECTION ONLY from the Coast

Guard Port Engineer post-award. SFLC will not redistribute NAVSEA documents.

Contractors can apply to NAVSEA headquarters directly for copies.

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

3.3 Preservation requirements. The Contractor must accomplish all preservation tasks, including touch-ups, in accordance with SFLC Std Spec 6310.

3.3.1 Brand name approval. Ensure that all contractor-furnished coatings are in accordance with SFLC Std Spec

6310, Appendix C (Authorized Coatings for Use on Cutters and Boats).

3.3.2 Coating colors and system color schemes. The Contractor must obtain a written KO authorization to deviate from any coatings required in SFLC Std Spec 6310 Appendix C before work.

3.3.3 In-process quality control measures. The Contractor must abide by all the safety, preservation, and quality control requirements specified in SFLC Std Spec 0000, paragraph 3.2.4.2 (In-process QC measures for “critical-coated surfaces”).

3.3.3.1 Quality control requirements. The Contractor must abide by the following when performing preservation related inspections. The following measurements must be randomly spaced throughout for the purposes of providing a representation of the entire prepared or coated surface.

3.3.3.1.1 Surface profile measurements. One surface profile measurement must be taken for every 200 square feet for the first 1000 square feet; for each additional 500 square feet or less, one profile measurement must be taken.

Profile measurements must be taken in accordance with SFLC Std Spec 6310, paragraph 3.1.8.3 (Surface profile measurements). A “measurement” for surface profile is defined as follows:

• ASTM D4417, Method B: One profile measurement is the average (mean) of 10 individual readings.

• ASTM D4417, Method C: One profile measurement is the average (mean) of 2 individual readings.

3.3.3.1.2 Soluble salt conductivity measurements. 5 conductivity measurements must be taken every 1000 square feet. For submerged (immersed) applications conductivity measurements must not exceed 30 microsiemens/cm.

For non-submerged (non-immersed) applications conductivity measurements must not exceed 70 microsiemens/cm. If a conductivity check fails, clean the surface in accordance with SFLC Std Spec 6310, paragraph 3.1.8.5 (Soluble salt removal).

3.3.3.1.3 Coating thickness measurements. Three area measurements must be taken for the first 1000 square feet;

for each additional 1000 square feet, perform an additional area measurement. A “measurement” for coating thickness is defined as follows:

• SSPC-PA 2 defines an area measurement as 5 separate spot measurements randomly spaced

3 (Rev-0) throughout a 100 square foot area.

• SSPC-PA 2 defines a spot measurement as 3 gage readings and each new gage reading the probe must be moved to a new location within a 1.5-inch diameter circle defining the spot.

3.4 Welding and brazing requirements. The Contractor must perform all welding and allied processes, and NDE in accordance with SFLC Std Spec 0740.

NOTE

NAVSEA approval is NOT required for welding procedures submitted but the procedures must be reviewed and shown to satisfy the requirements set forth in

NAVSEA TP 1688, by a welding regulatory agency. The requirements for welding

Strenx 900 are considered the same as those for welding HY-130.

3.5 Environmental protection requirements. The Contractor must adhere to the following environmental protection requirements in accordance with the SFLC Stand Spec 0000:

3.5.1 Contractor operated (non USCG) facilities. The Contractor must provide and maintain environmental protection as defined in SFLC Std Spec 0000 Appendix A, Requirements for Environmental Protection at

Contractor Operated (Non USCG) Facilities, as applicable, during the performance of this availability. Contractor must plan for and provide environmental protective measures to control pollution that develops during normal practice, as well as plan for and provide environmental protective measures required to correct conditions that develop during the project. Contractor must comply with applicable Federal, state, and local laws, codes, ordinances, and regulations in their entirety. Any reference to a specific portion of a Federal, state, or local law, code, ordinance, or regulation in this or any other item must not be construed to mean that relief is provided from any other sections of the law, code, ordinance, or regulation.

3.5.2 Test and procedures. The Contractor is required to promptly conduct tests and procedures for the purpose of assessing whether operations are in compliance with applicable Environmental Laws. Analytical work must be done by qualified laboratories; and where required by law, the laboratories must be certified.

3.5.3 Regulatory notifications. The Contractor is responsible for all regulatory notification requirements in accordance with Federal, State and local regulations. In cases where the Coast Guard must also provide public notification, such as storm water permitting, the Contractor must coordinate with the Contracting Officer or COR, and if work is being performed at a USCG Facility, the local Facility Engineer or Engineering Officer. The

Contractor must submit copies of all regulatory notifications to the Contracting Officer and the local Facility

Engineer or Engineering Officer prior to commencement of work activities. Regulatory notifications must be provided for including but not limited to demolition, renovation, National Pollutant Discharge Elimination System

(NPDES) defined site work, and remediation of controlled substances such as asbestos, hazardous waste, and lead paint.

3.5.4 Environmental manager. The Contractor must appoint in writing an Environmental Manager for the project, who is responsible for coordinating Contractor compliance with Federal, State, local, and station environmental requirements. The Environmental Manager must ensure compliance with Hazardous Waste Program requirements, including hazardous waste handling, storage, manifesting, and disposal; implement the Contractors’

Environmental Management Plan; ensure that all environmental permits are obtained, maintained, and closed out;

ensure compliance with Storm Water Program Management requirements; ensure compliance with Hazardous

Materials including storage, handling, and reporting requirements; as well as coordinate any remediation of regulated substances such as lead, asbestos, and polychlorinated biphenyl (PCB). This may be a collateral

4 (Rev-0) position; however the individual must be trained to accomplish the following duties; ensure waste segregation and storage compatibility requirements are met; inspect and manage Satellite Accumulation areas; ensure only authorized personnel add wastes to containers; ensure all Contractor personnel are trained in 40 CFR requirements and individual position requirements; coordinate removal of waste containers; and maintain the Environmental

Records binder and required documentation, including environmental permits compliance and close-out.

3.5.5 HW disposal. Contractor must comply with SFLC Std Spec 0000 Appendix A, Requirements For

Environmental Protection At Contractor Operated (Non USCG) Facilities for HW disposal.

3.6 Local Policy. The Contractor must refer to site (e.g., Base) Regulations and Instructions for details regarding local policies (e.g., crane services, parking, or facility usage).

3.6.1 Coast Guard turn-over preparation. The Contractor must be aware that, upon arrival, after haul out, and prior to departing the Contractor’s facility, the Coast Guard crew must 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.

3.6.1.3 Coast Guard personnel will remove the transducers after initial haul-out and reinstall prior to re-floating the vessel.

3.6.1.4 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. Approved updates to the 2022 SFLC Standard Specifications will appear here.

3.7.1 SFLC Standard Specification 5550: Replace paragraph 3.11.3 to state, “Material supporting imminent work shall be brought on the cutter and stored where the work is being performed. Material that appreciably contributes to fire load shall be removed at the end of each work shift when personnel are not present. Trash, debris, and packaging materials shall be promptly removed from the vessel at the end of each work shift and not allowed to accumulate.” Advance the paragraph numbering of the Fire Prevention and Safety Inspection form to 3.11.4.

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.

5 (Rev-0)

QA-1 - QUALITY ASSURANCE INSPECTION FORM

(PRESERVATION CHECKLIST)

VESSEL NAME HULL # WORK ITEM

WORK ITEM TITLE

LOCATION OF WORK (INCL. FRAME #’S) AREA (SQFT)

CHECKPOINT 1 – COATING SYSTEM COMPLIANCE

Ensure all coatings are in compliance with SFLC Std Spec 6310, Appendix C.

CHECKPOINT 2 - PAINT STORAGE

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

CHECKPOINT 3 - AMBIENT CONDITIONS

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

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

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

CHECKPOINT 4 - PRE-SURFACE PREPARATION

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

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

CHECKPOINT 5 - SURFACE PREPARATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure cleanliness of prepared surface is as per specification (i.e.: SSPC SP-11, SP-10, SP WJ-2…).

Verify surface anchor profile using ASTM D4417-Methods B or C against SFLC Std Spec 6310. Conduct profile readings at a minimum of 5 locations for the first 1000-sqft area, and 2 locations for each succeeding 1000-sqft area.

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

CHECKPOINT 6 - PRIMER COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

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

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

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

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

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

Perform visual inspection for holidays and other defects.

CHECKPOINT 7 – STRIPE COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

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

CHECKPOINT 8 – TOP COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

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

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

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

CHECKPOINT 9 – FINAL INSPECTION

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

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

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

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

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

CHECKPOINT 10 – RECORD KEEPING

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

NAME OF QP-1/AMPP INSPECTOR SIGNATURE CERT. # DATE / TIME

NAME OF CG REPRESENTATIVE SIGNATURE UNIT DATE/TIME

6 (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 |

7 (Rev-0)

QA-3a - QUALITY ASSURANCE INSPECTION FORM

(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-C)

VESSEL NAME HULL # WORK ITEM

LOCATION OF WORK (FRAME REFERENCES) AREA (SQFT)

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/AMPP No. 2

SSPC-SP WJ-2/AMPP WJ-2

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area)

Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

PLACE SURFACE PROFILE REPLICA TAPES IN THE SPACES PROVIDED BELOW, TO SERVE AS

PERMANENT QA RECORD. MAINTAIN A SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS

DIVIDED INTO SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

MEAN MIL READING (IAW ASTM D4417-METHOD C) FOR ABOVE 15 READINGS:

NAME OF QP-1/AMPP INSPECTOR SIGNATURE CERT. # DATE /

TIME

8 (Rev-0)

9 (Rev-0)

QA-3b - QUALITY ASSURANCE INSPECTION FORM

(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-B)

VESSEL NAME HULL # WORK ITEM

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/AMPP No. 2

SSPC-SP WJ-2/AMPP WJ-2

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area)

Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

RECORD MEASUREMENTS TAKEN IN THE SPACES PROVIDED BELOW, TO SERVE AS PERMANENT QA

RECORD. MAINTAIN SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS DIVIDED INTO

SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Mean Mils Reading (IAW ASTM D4417-Method B for above 10 readings (by column):

Mean Reading

(mils)

10 (Rev-0)

QA-4 - QUALITY ASSURANCE INSPECTION FORM

(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)

VESSEL NAME HULL # WORK ITEM

SOLUBLE SALT CONDUCTIVITY MEASUREMENTS IAW SSPC-GUIDE 15.

DATE TEST LOCATIONS CONDUCTIVITY (MICROSIEMENS/CM)

11 (Rev-0)

12 (Rev-0)

QA-5 - QUALITY ASSURANCE DATA FORM

(COATING THICKNESS)

(Use one sheet for each sequence)

VESSEL NAME HULL #

WORK ITEM

COATING MFG PRODUCT NAME

BATC

H #

INDUCTI

ON TIME

COATING SYSTEM

SEQUENCE

(PRIMER/TOUCHUP/3RD

COAT, ETC.)

DRY FILM THICKNESS (DFT) MEASUREMENTS IAW SSPC-PA 2.

SPOT 1 2 3 4 5

AVERAGE

VALUE

*BASE METAL READING

(BMR)

*Required, If Magnetic Pull-Off (Type I/Banana) Gauge Is Used.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

APPLICATION METHOD (AIRLESS,

CONVENTIONAL SPRAY, ROLLED)

AVERAGE DFT

13 (Rev-0)

4.2 Tank and Void Assessment form.

14 (Rev-0)

15 (Rev-0)

16 (Rev-0)

63130_0523_FLT

REC_63130_100Percent_FLT_49’ BUSL (0126)

WORK ITEM 1: U/W Body, Preserve, 100 percent

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to preserve U/W body surfaces.

NOTES

1. The purpose of the preservation tasks covered by this item is to completely remove all existing coatings and recoat the U/W body surfaces with a new coating system.

2. U/W body surfaces are as defined in 4.1 (Definitions) and exclude areas covered by docking blocks unless the vessel is fleeted for the express purpose of preserving blocked areas.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 49A BUSL 601-003, Rev E, Outboard Profile and Main Deck

Arrangement

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2016, Solvent Cleaning

3.1 General.

17 (Rev-0)

3.1.1 CIR. The Contractor must submit a CIR for the inspections listed in the following paragraph(s):

• 3.2.3 Post-surface preparation cleaning and inspection

3.1.2 Tech Rep. The Contractor must refer to SFLC Std Spec 0000, paragraphs 3.2.4.2.1 (Painting contractor certification program requirement) and 3.2.4.2.2 (Coating Tech Rep), for applicable requirements.

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection) to the following components, spaces and equipment:

• All scuppers and overboard discharges.

• Waterline area where U/W body coating system interfaces with freeboard coating system

(unless freeboard surfaces are also being preserved).

• Fathometer transducer surfaces.

• Sea valve openings.

• Propeller shaft bearings and seals.

• Rudder bearings.

• Propellers.

• Zinc anodes (unless anodes are being renewed).

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the following:

• Sea chest grating.

3.1.5 Initial inspection. Prior to removing the existing coating system, the Contractor must inspect and verify whether all draft marks have permanent markings (weld beads or impressions), showing their location on the hull. Submit a CFR.

3.1.6 Water used in preparation and washing procedures. The Contractor must ensure that water used in all surface preparation tasks, including pre-surface preparation wash and water jetting, is of sufficient purity and quality that it does not prevent the surface being cleaned from achieving the required degree of surface cleanliness or non-visible contamination criteria.

3.1.6.1 Ensure that surface preparation water does not contain sediments or other impurities that are destructive to the proper functioning of the cleaning equipment.

3.1.6.2 Ensure that all water used in any surface preparation or cleaning procedures is captured, contained, and all spent water disposed of in accordance with all Federal, state and local regulations.

3.1.7 Surface preparation optional methods. The Contractor has the option of using either high/ultrahigh pressure water jetting or abrasive blasting to achieve the required surface preparation, prior to application of the coating system specified in 3.2 (Preservation requirements). The Contractor may add abrasives to the water jet stream, for one or both of the following reasons:

• Achieving greater productivity.

18 (Rev-0)

• Achieving the required surface profile.

NOTES

1. Existing coating system on the U/W body surfaces may have a nominal thickness in excess of that which was originally installed, because of “patch-coats” applied during past drydock availabilities.

2. Water jetting without abrasive addition does not provide any additional anchor profile to the surface, beyond what was present after the previous surface preparation.

3. Whenever fleeting is required for any reason, if the U/W Body has not yet been fully preserved, the areas adjacent to all docking blocks must be fully preserved at least 2 feet in each direction prior to refloating the vessel. If the vessel will be placed onto a different blocking position, the areas in way of the new blocking position must be fully preserved.

3.2 Preservation requirements. The Contractor must accomplish the following tasks:

3.2.1 Pre-surface preparation wash. Accomplish low-pressure (less than 5,000 psi) freshwater wash of all affected surfaces, to remove soluble chlorides and other surface contaminants. Refer to SSPC-SP 1, for guidance.

3.2.2 Surface preparation and coating application.

The Contractor must accomplish the following tasks:

3.2.2.1 Prepare and coat the U/W hull surfaces with the system specified for “Underwater (U/W) Body and Boot-Top (U/W Body and Boot-Top, Icebreaker <235’, in Fresh Water (Excluding Sea Chest)” in

SFLC Std Spec 6310, Appendix A (Cutter and Boat Exterior Painting Systems).

3.2.2.2 Sea chest. Prepare and coat the sea chests with the system specified for “Underwater (U/W) Body and Boot-Top (U/W Body Sea Chest, Icebreaker in Fresh Water)”, in SFLC Std Spec 6310, Appendix A

(Cutter and Boat Exterior Painting Systems).

3.2.3 Post-surface preparation cleaning and inspection. After completion of surface preparation and prior to coating application, accomplish the following tasks and submit a CIR.

3.2.3.1 Perform a visual inspection of the prepared U/W body steel substrate.

NOTE

Lists of all authorized coating materials and suppliers are listed in SFLC Std

Spec 6310, Appendix C (Cutter and Boat Authorized Coatings).

3.2.3.2 Perform solvent cleaning of all prepared surfaces, in accordance with SSPC-SP 1. Capture, contain, and dispose of all wastes from solvent cleaning, in accordance with all Federal, state and local regulations..

19 (Rev-0)

3.3 Draft mark painting. The Contractor must paint all draft marks with two coats of a “Polysiloxane” or

“Silicone Alkyd Enamel” coating, at 2.0-3.0 mils DFT, white (17925).

3.4 In-process quality control. The Contractor must abide by all the safety, preservation, and quality control requirements specified in SFLC Std Spec 0000, paragraph 3.2.4.2 (In-process QC measures for

“critical-coated surfaces). Surfaces being preserved are considered “critical-coated surfaces”.

4. NOTES

4.1 Definitions.

4.1.1 U/W Body. The underwater body is defined as the areas from the bottom of the keel to the waterline, as shown on Coast Guard Drawing 49A BUSL 601-003, including rudders, transducer hull rings, keel coolers, bilge keels, struts, skegs, gratings, and rope guards.

20 (Rev-0)

63140_ESD_0723_FLT

REC_63140_100Prcnt_FLT_49’ BUSL (ALL) (0126)

WORK ITEM 2: Hull Plating Freeboard, Preserve, 100 Percent

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to preserve 100% of the freeboard surfaces defined in 4.1 Definition of freeboard surfaces.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 49A BUSL 601-003, Rev E, Outboard Profile & Main Deck Arrangement

Coast Guard Fleet Drawing FL 2804-12, Rev -, U.S.C.G. Emblem

Coast Guard Fleet Drawing FL 2804-22, Rev A, Consolidated Visual ID for Cutters

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None.

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

21 (Rev-0)

Not applicable.

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection) and to the following specific components, spaces and equipment:

• Areas where underwater body coating system interfaces with freeboard coating system

(unless u/w body surfaces are also being preserved).

• Adjacent deck surfaces and deck fittings.

• Wood fenders.

• Buoy Deck wood covering.

• Port and starboard deck lockers.

• Deck equipment.

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec

0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the below-listed:

• None.

3.2 Initial inspection. Prior to removing the existing coating system, the Contractor must inspect and verify whether or not all hull identification numbers and letters have permanent markings (weld beads or impressions), showing their location on the hull. Submit a CFR.

3.3 Pre-surface preparation wash. The Contractor must accomplish low-pressure (less than 5,000 psi) fresh water wash of all affected surfaces, to remove soluble chlorides and other surface contaminants.

Capture, contain, and dispose of wash water for proper disposal in accordance with all Federal, state and local regulations.

3.4 Surface preparation optional methods. The Contractor must have the option of using either high/ultrahigh pressure water Jetting or abrasive blasting to achieve the required surface preparation, prior to application of the coating system specified in 3.6 (Preservation requirements). The Contractor may add abrasives to the waterjet stream, for one or both of the following reasons:

• Achieving greater productivity.

• Achieving the required surface profile.

NOTE

Waterjetting without abrasive addition does not provide any additional anchor profile to the surface, beyond what was present after the previous surface preparation.

3.5 Substrate inspection. After completing surface preparation and before coating application, the

Contractor must perform a visual inspection of the prepared substrate, and submit a CFR.

3.6 Preservation requirements. The Contractor must accomplish the following tasks:

22 (Rev-0)

3.6.1 System particulars. Prepare and coat 100% of the freeboard surfaces as designated in paragraph 1.1

(Intent) with the system specified for “Freeboard/Superstructure/Mast (Freeboard/Superstructure)” in

SFLC Std Spec 6310. Select the following:

• Select “Option II” system, for the applicable metal substrate.

• Black (17038) as the top/finish coat color for all plating surfaces and stern rails and stanchions.

• White (17925) for all port and starboard rails and stanchions..

3.6.2 Visual identification markings. The Contractor must paint all distinctive visual safety and identification markings as follows:

3.6.2.1 Decals. Coast Guard Emblem decals may be substituted for painted emblems. Vinyl adhesive letters and numbers may also be substituted for painted letters and numbers - at the Contractor’s discretion.

3.6.2.2 Painted markings. Paint all distinctive visual identification markings, including the Coast Guard diagonal stripes, "U.S. COAST GUARD" legends, hull numbers, and draft marks in accordance with

SFLC Std Spec 6310, and Coast Guard Drawings FL 2804-12 and FL 2804-22 as applicable.

NOTES

Surfaces being preserved are considered “critical-coated surfaces”.

Although there may be several possible procurement sources for the Coast

Guard Emblem decals and vinyl adhesive letters and numbers, one known source is:

Brace Enterprises

10250 SE 138 Terrace

Dunnellon, FL 34431

352-489-4442 / Fax: 352-489-4476 www.braceenterprise.com

3.6.3 Tear drop. Not applicable.

3.7 In-process quality control measures. The Contractor must abide by all the safety, preservation, and quality control requirements specified in SFLC Std Spec 0000, paragraph 3.2.4.2 (In-process QC measures for “critical-coated surfaces).

4. NOTES

4.1 Definition of freeboard surfaces. For the purposes of this item the freeboard is defined as exterior steel hull surfaces from the waterline to the top of the gunwale; also included are the port, starboard, and stern steel rails and stanchions, shown on Coast Guard Drawing 49A BUSL 601-003.

http://www.braceenterprise.com/

23 (Rev-0)

63150_Masts_ESD_0723_FLT

REC_63150_Masts_FLT_49’ BUSL (ALL) (0126)

WORK ITEM 3: Main Mast, Preserve, 100 Percent

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to preserve the aluminum Main

Mast.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 49A BUSL 171-002, Rev G, Mast Construction & Details

Coast Guard Drawing 49A BUSL 601-003, Rev E, Outboard Profile & Main Deck Arrangement

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), 2022, Shipboard Electrical Cable Removal, Relocation, Splice, Repair, and Installation

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

24 (Rev-0)

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).

3.1.3.1 The Contractor must, once the equipment has been removed from the Mast, ensure it is stored in a protective environment. Areas/equipment/components to be protected include, but are not limited to the following (as applicable):

• Cable runs

• Label plates

• Connectors

• Rubber gaskets

• Yardarm blinkers

• Wind speed air vanes

• Navigation lights

• Ship's bell

• Adjacent bulkhead and deck surfaces

• Contact points

• Insulators

• Rubber shock mounts

• Safety climb.

3.1.3.2 The Contractor must coil up electrical cabling down to associated deck/bulkhead penetrations.

Mark, seal, and cover all coiled cabling. Ensure the cable is protected from abrasion and damage.

CAUTION

Do not bend any electrical cable to a radius less than 20 times their diameter.

WARNING

Do not hoist a radar pedestal using its array.

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the following.

• Radar gear, including associated pedestals

• Navigation lights

• Electrical fittings

• Rigging

• Antennas

• Wind direction indicator

• GPS.

25 (Rev-0)

• Navigational lighting.

• Floodlights.

• Emergency position indicating radio beacon (EPIRB) and mounting hardware.

3.1.4.1 The Contractor must notify the COR 72 hours in advance of beginning interference removals.

3.2 Personnel qualification. The Contractor must ensure that all Contractor personnel performing removal and installation of electronics equipment must have the training of an electronics journeyman and be knowledgeable in the areas of electrical and physical standards for equipment such as radar, waveguides and antennas.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.3 Operational test - initial. Prior to commencement of work, the Contractor must witness Coast Guard

Personnel perform an initial operational test of all mast electrical and electronic equipment to demonstrate existing operational condition. Submit a CFR.

3.4 Mast removal. The Contractor may elect to remove (unship) the mast, to facilitate mast preservation.

Upon mast reinstallation, prepare and touch-up coat all disturbed surfaces (upon mast reinstallation) to match existing adjacent surfaces, in accordance with COMDTINST M10360.3, Appendix A (Cutter and

Boat Exterior Painting Systems). Abide by all touch-up requirements outlined in SFLC Std Spec 0000, Appendix A (Requirements for Preservation of Ship Structures).

3.4.1 Surface preparation optional methods. The Contractor has the option of using either high/ultrahigh pressure water jetting or abrasive blasting to achieve the required surface preparation, prior to application of the coating system specified in 3.3 (Preservation requirements). The Contractor may add abrasives to the water jet stream, for one or both of the following reasons:

• Achieving greater productivity.

• Achieving the required surface profile.

NOTE

Water jetting without abrasive addition does not provide any additional anchor profile to the surface, beyond what was present after the previous surface preparation.

3.4.2 Substrate inspection. After surface preparation and before the coating application, the Contractor must perform a visual inspection of all cleaned mast surfaces, including electrical hangers, hardware, and safety rail hardware. Submit a CFR

3.5 Preservation requirements. The Contractor must prepare and coat the mast surfaces using the system specified for “Freeboard/Superstructure/Mast (Freeboard/Superstructure)” in Appendix A (Cutter and

Boat Exterior Painting Systems) of SFLC Std Spec 6310. Select the following:

• “Option I” system, for aluminum surfaces

• Spar (10371), as the top/finish color.

26 (Rev-0)

3.6 Weather-proofing requirements. The Contractor must weatherproof all connectors, cables and fasteners in accordance with SFLC Std Spec 3042.

3.7 In-process quality control measures. The Contractor must abide by all the safety, preservation, and quality control requirements specified in SFLC Std Spec 0000, paragraph 3.2.4.2 (In-process QC measures for critical-coated surfaces).

NOTES

1. Unless a containment system is used for surface preparation dust and debris and coating application overspray during pier side/dockside preservation, the following must be adhered to:

a. All surface preparation tools/equipment must be vacuum-shrouded.

b. Coatings must be applied by brushing or rolling.

2. Coating application by brushing or rolling may require additional coats to obtain required dry film thickness.

3. Surfaces being preserved are considered “critical-coated surfaces”.

3.8 Repair of un-intended damages. The Contractor must repair all damages (including overspray) incurred to vessel surfaces (including those not covered by the intended scope of this work item), during surface preparation and paint application procedures.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.9 Operational test – post repairs. After completion of work, the Contractor must witness an operational test (by Coast Guard personnel, including C4IT personnel) of all mast electrical and electronic equipment, to prove satisfactory operating condition. Submit a CFR.

4. NOTES

4.1 Coast Guard Inspector. CG Inspector will ensure that antennas are mounted and weather-proofed before final operational test.

27 (Rev-0)

63133_JCS_0723_FLT

REC_63133_FLT_49’ BUSL (ALL) (0126)

WORK ITEM 4: Stern Tube Interior Surfaces, Preserve, 100 Percent

1.1 Intent. This work item describes the requirements for the Contractor to preserve stern tube interior surfaces.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 49A BUSL 114-004, Rev G, Skeg & Shaft Tube Arrangement & Details

Coast Guard Drawing 49A BUSL 243-001, Rev G, Propulsion Shafting & Bearing Arrangement

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning

MIL-PRF-24647, Jan 2018, Paint System, Anticorrosive and Antifouling, Ship Hull

The Society for Protective Coatings (SSPC)/NACE-International (NACE) Joint Surface

Preparation Standard SSPC-SP 10/NACE No. 2, 2007, Near-White Metal Blast Cleaning

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP

11), 2012, Power-Tool Cleaning to Bare Metal

The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface

Preparation Standard SSPC-SP 12/NACE No.5, 2002, Surface Preparation and Cleaning of

Metals by Waterjetting Prior to Recoating

28 (Rev-0)

Not applicable.

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection) and to the following specific components, spaces and equipment:

• Stern tube flange surfaces.

• Engine Room.

• Bearings and bearing housings.

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the following:

• Propellers.

• Line cutters (if applicable).

• Shaft zincs (if applicable).

• Shaft seal assembly.

• Drive-saver.

3.2 Preservation requirements. Using Coast Guard drawings 49A BUSL 114-004 and 49A BUSL 243-001 as guidance, the Contractor must preserve 100% of the interior tube surfaces as follows:

3.2.1 The Contractor must not prepare or coat waterborne bearing contact areas inside the stern tube. This includes bearing lands, areas in contact with bearing shell, areas in contact with Cutless type bearings, etc.

These areas must remain uncoated to provide required fits.

3.2.2 Surface preparation. The Contractor must prepare surfaces by waterjetting to a SSPC-SP 12/NACE

No. 5, WJ-2/L standard, or by one or a combination of the surface preparation methods described in Table

1:

TABLE 1 – SURFACE PREPARATION

ABRASIVE BLASTING MECHANICAL CLEANING

Abrasive-blasting to SSPC-SP10/NACE No. 2, using grit conforming to MIL-A-22262 (1.5 to 2.5 mil anchor profile).

Used reference MIL-A-22262, Mar 1996, Abrasive

Blasting Media Ship Hull Blast Cleaning for guidance

Power tool cleaning to a SSPC-SP 11 (1.0 mil anchor profile).

3.3 Inspection. After surface preparation and before coating application, the Contractor must perform a visual inspection of the prepared stern tube surfaces, and submit a CFR.

29 (Rev-0)

3.4 Surface coating. The Contractor must prime and coat the prepared surfaces with two coats of a “High

Turbulence Coating”, at 5.0-6.0 mils DFT each. Used reference MIL-PRF-24647, Jan 2018, Paint

System, Anticorrosive and Antifouling, Ship Hull for guidance.

NOTE

List of authorized suppliers for “High Turbulence Coatings” is provided in

SFLC Std Spec 6310, Appendix C (Authorized Coatings for Use on Cutters and Boats).

3.5 In-process quality control. The Contractor must abide by all the safety, preservation, and quality control requirements specified in SFLC Std Spec 0000, paragraph 3.2.4.2 (In-process QC measures for

“critical-coated surfaces").

NOTE

Surfaces being preserved are considered “critical-coated surfaces”.

4. NOTES

This section is not applicable to this work item.

30 (Rev-0)

63100_AKP_1225_49BUSL

WORK ITEM 5: Deck (Foredeck), Preserve 100%

1.