Specification_ESCANABA DS FY24.pdf

USCGC ESCANABA (WMEC 907)

SPECIFICATION FOR DOCKSIDE REPAIRS

FY2024

Developed By: Celestin Jules

(Rev-1, 16 October 2023)

USCGC ESCANABA (WMEC-270B) DOCKSIDE AVAILABILITY FY2024

ii (Rev-1)

TABLE OF CONTENTS

Revisions Record ......................................................................................................................................... iii Consolidated List of References ................................................................................................................... iv Consolidated List of Government-furnished Property ............................................................................... vii Consolidated List of Critical Inspection Items .......................................................................................... viii Principal Characteristics ............................................................................................................................... ix General Requirements WORK ITEM 1: Tanks, Aviation Fuel Service, Clean And Inspect WORK ITEM 2: Tanks, Aviation Fuel Stowage And Overflow, Clean And Inspect WORK ITEM 3: 28 Volt DC Helo Power Supply, Load Test WORK ITEM 4: 400 Hz Power Supply (FCX Systems Inc), Load Test WORK ITEM 5: Windspeed Transmitter, Anemometer, Renew WORK ITEM 6: Flow Meter (Aviation Fuel), Calibrate WORK ITEM 7: Helo Talon Grids, Inspect and Test WORK ITEM 8: Decks, Helicopter Operating Areas, Preserve WORK ITEM 9: Helo Hanger Door, Renew iii (Rev-1)

REVISIONS RECORD

This page is used to record specification revisions, which may have occurred subsequent to a Revision 1 (Rev-01 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

16 October

1 7 Deleted GFE Jacking Bolt (5/8 inch Thread 11 Length 8 in.

Hex Bolt)

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-1)

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 901 WMEC 314-005, Rev B, 28.5 VDC Hlcptr Start Rect Replacement Diagram Coast Guard Drawing 901 WMEC 314-006, Rev D, 400Hz Hlcptr Svce Freqconv Installation Diagram Coast Guard Drawing 901 WMEC 431-003, Rev G, Main IC Switchboard Arrangements, Elem Wrg Diag

& Dets Coast Guard Drawing 905 WMEC 113-001, Rev C, Tank Top PL & FR Fwd FR 101 Coast Guard Drawing 905 WMEC 113-002, Rev A, Tank Top Pltg & Framing Aft 182 Coast Guard Drawing 905 WMEC 113-003, Rev F, Tank Top Pltg & Framing FR 101-182 Coast Guard Drawing 905 WMEC 116-001, Rev C, CVK Fwd 101 & Girder Long 2 Coast Guard Drawing 905 WMEC 116-002, Rev B, CVK Aft 182 Coast Guard Drawing 905 WMEC 116-003, Rev E, CVKFR 101 – 182 & G Long. 2&4 Coast Guard Drawing 905 WMEC 121-001, Rev B, Long Tank Bhds Aft 182 Coast Guard Drawing 905 WMEC 122-001, Rev C, Transv Bhds 12 & 26 Coast Guard Drawing 905 WMEC 122-002, Rev C, Transv Bhds 47, 78 & 82 Coast Guard Drawing 905 WMEC 122-003, Rev D, Transv Bhds 103, 117 Coast Guard Drawing 905 WMEC 122-004, Rev F, Transv Bhds 165, 169, 151.6 Coast Guard Drawing 905 WMEC 122-005, Rev B, Transv Bhds 186 & 190 Coast Guard Drawing 905 WMEC 122-006, Rev E, Transv Bhds 196, 207, 228, 242 Coast Guard Drawing 905 WMEC 136-003, Rev K, 01 Level Pl & Fr 101-182 Coast Guard Drawing 905 WMEC 171-001, Rev F, Main Mast Coast Guard Drawing 905 WMEC 186-003, Rev -, 270 Ft B WMEC Talon Grid Foundation & Structural

Mod 01 Level Coast Guard Drawing 905 WMEC 494-001, Rev K, Meteorological System Block & Isometric W.D.

Coast Guard Drawing 905 WMEC 542-002, Rev H, JP-5 Sys - A&D Coast Guard Drawing 905 WMEC 542-006, Rev A, JP-5 System Diagram Coast Guard Drawing 905 WMEC 588-002, Rev J, Flight Dk & Hanger Markings A & D Coast Guard Drawing 905 WMEC 588-010, Rev D, Hanger A & D Coast Guard Drawing 905 WMEC 588-011, Rev C, Hanger Elect Wiring Assy Coast Guard Drawing 905 WMEC 588-013, Rev -, Hanger Door Dogging Mod Coast Guard Drawing 905 WMEC 634-002, Rev -, 270 Ft B WMEC C & A, Pnt, Dk Cov & Insul Mod

Talon Grid Instl v (Rev-1)

Coast Guard Drawing 905 WMEC 801-004, Rev G, General Arrangement 01 Level Coast Guard Drawing FL-588-003, Rev -, Talon Grid, Supporting Skirt & Cover Fabrication & Instl

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Colors Manual Coast Guard Technical Publication (TP) 2839, Feb 2013, Manufacturer’s Instruction Book, SWBS

Group(s) 588-593, SWBS 588, Section A, Telescope Aluminum Helicopter Hangar Model No.

1230-5

Coast Guard Technical Publication (TP) 3368, Jun 2020, Talon Helicopter Landing Grid - Type 18-22-01 Multiple Class Cutters

Coast Guard Technical Publication (TP) 4931, Aug 2009, Section 321A, Precision Frequency Converters Coast Guard Technical Publication (TP) 5461, SWBS 421, Nov 2012, Anemometer – Model 120 & 122 Coast Guard Technical Publication (TP) 5486, Mar 2013, Go-No-Go Monitor and Flow Meter, 50 GPM Coast Guard Technical Publication (TP) 7099, SWBS 314, Oct 2009, Rectifier Power Supply - 28 VDC, 300 A Coast Guard Technical Specification D-123-2049, Feb 2020, 270’ WMEC B Class Fluid Handling Plan for Tank Inspections Fire Prevention and Response Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General

Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and

Allied Processes Surface Forces Logistics Center Standard Specification 3041 (SFLC Std Spec 3041), 2022, Shipboard

Electrical Cable Test Surface Forces Logistics Center Standard Specification 5550 (SFLC Std Spec 5550), Fire Prevention and

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

OTHER REFERENCES

ASTM International (ASTM) D5363, 2016, Standard Specification for Anaerobic Single-Component

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

Shipyard Employment Federal Specification (Fed Spec) QQ-N-281D (2), Oct 1985, Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections MIL-PRF-16173, 2017, Corrosion Preventive Compound, Solvent Cutback, Cold-Application MIL-PRF-24667C, March 2018, Coating System, Non-Skid, for Roll, Spray, or Self-Adhering

Application MIL-STD-1399 Section 300, Part 1, 25 September 2018, Low Voltage Electric Power, Alternating

Current NAVAIR SI-ACS-AFB-1P, 01 July 2020, Air Capable Ship Aviation Facilities Bulletin No. 1P Naval Air Warfare Center (NAVAIR) Drawing 621055, Rev G, Visual Landing Aids Installation

WMEC-270 Class Ships NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), July 2012, Requirements for

Fabrication, Welding, and Inspection of Submarine Structure vi (Rev-1)

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C-6183A, 2019, Cork and Rubber Composition Sheet; For Aromatic Fuel and Oil Resistant Gaskets vii (Rev-1)

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)

5 Y Anemometer NSN: 6600-00-709-9947 2 ea. 5,316.00 7 N Screw, Cap, 5/8-11 UNC

2A x 3in.

NSN: 5305-01-393-1827 24 ea. 26.00

7 N Screw, Cap, M12-1.75 x 42 mm

NSN: 5305-01-584-6095 12 ea. 34.00

7 N **Talon Grid Stanchion Bolt Assembly, Including

Locking Nut

NSN: 5340-01-481-3786 60 ea. 32.00

9 N Safety Edge, Door NSN: 5340-01-352-9790 1 ea. 608.00 9 N Door, Hanger NSN: 2040-01-392-5148 1 ea. 32,888.00

*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 viii (Rev-1)

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

7 Helo Talon Grids, Inspect and Test

10 Helo Hanger Door, Renew ix (Rev-1)

PRINCIPAL CHARACTERISTICS

DEVELOPER NOTE: For 270’s, if the cutter has completed SLEP, the following changes must be modified in the “Machinery” section below:

Ship’s service generators: 2 Caterpillar Model C-18 6056464 Diesel engines each coupled to its own Weg model GPW/355B3T AC Generator. 565 KW each @ 0.8 power factor, 450VAC, 3 phase, 60 cycle

Emergency Generators: Caterpillar Model C-18 6056464 Diesel engine coupled to a Weg model GPW/355B3T AC Generator. 565 KW @ 0.8 power factor, 450VAC, 3 phase, 60 cycle

Please confirm all changes to Principal Characteristics with cutter.

270' WMEC (B-CLASS)

PHYSICAL

Length overall 270' 0" Length between perpendiculars 255' 0" Beam molded 38' 0" Depth molded, main deck amidships, 01 level amidships

23' 7" 31' 4"

Full load displacement 1,886 long tons Draft, full load to baseline amidships 14' 2" Highest projection above baseline *height approximated

≈ 110' 0"

Shore tie voltage requirements 2 cables, 400A / 450V, 3 phase Frame spacing 1' 0"

MACHINERY

Main propulsion 2 ALCO Model 18-251-F Diesel Engines, 3,650 BHP each Ship’s service generators 2 Caterpillar Model D-398-TA Diesel-driven KATO 6P6-1350 Generators. 475

KW each @ 0.8 power factor, 450VAC, 3 phase, 60 cycle Emergency generators Caterpillar Model D-348-TA Diesel-driven KATO 4P4-1900. 475KW @ 0.8 power factor, 450VAC, 3 phase, 60 cycle Number of propellers 2 Propeller diameter 9' 0" Number of blades, each 4 Pitch Controllable Shaft RPM 260 Shaft diameter 10.55" at exit of hull Anchor & chain Two 4,000 lb Navy Stockless Anchors, 8 shots of chain each

TANK CAPACITIES

Diesel fuel total (95%) 79,950 gal.

JP-5 total (95%) 19,626 gal.

Potable water total (100%) 8,553 gal.

Hydraulic & lube oil total (95%) 2,561 gal.

1 (Rev-1)

00000_0623_FLT

REC_00000_FLT_Commercial Project @ CG Facility (0121)

General Requirements

1. SCOPE

1.1 Intent. This standard specification invokes general requirements for conducting vessel repairs performed by commercial contractors at a Coast Guard 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), 2022, General

Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and

Allied Processes Surface Forces Logistics Center Standard Specification 5550 (SFLC Std Spec 5550), 2022, Fire

Prevention and Response Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, 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-1)

3. REQUIREMENTS

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

3.1.1 The Contractor must conform to all requirements specified in SFLC Std Spec 5550 and in the Fire Protection and Response work item, as applicable, during the performance of this availability.

3.1.1.1 Fire Safety Plan submission. The Contractor must submit a copy of the CFR 1915, Subpart P, Fire Safety Plan with the Contractor’s bid when work will be conducted in a Contractor–owned facility. Include any MOA(s) with local firefighting facilities.

3.1.1.2 Fire Plan submission. The Contractor must submit a copy of the developed availability specific fire plan, as requested in the Fire Protection and Response work item, seven (7) days before the Arrival Conference.

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 Fire watch requirements. The Contractor must refer to 3.3.1.3 (Fire watch requirements) of SFLC Std Spec 0000, in accomplishing the following task:

• Provide portable fire extinguishers for Coast Guard fire watch personnel. Coast Guard fire watch is in lieu of contractor personnel during the hours of 0800-1600, Monday through Friday, and limited to two Coast Guard fire watch personnel.

• Provide fire watch personnel and fire extinguishers for the duration of the availability period, during and beyond noted Coast Guard fire watch support.

3.3 Preservation requirements. The Contractor 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.

3 (Rev-1)

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

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

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

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

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

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

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

• SSPC-PA 2 defines an area measurement as 5 separate spot measurements randomly spaced throughout a 100 square foot area.

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

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

3.4.1 HY-130 material substitution. The Contractor must be aware that HY-130 steel plating is no longer commercially available. For the purpose of performing flight deck repairs on US Coast Guard WMEC-270 “B- Class” cutters, Weldox 900 steel plating has been approved as a replacement for HY-130. Due to the similarity in material properties and weldability of HY-130 and Weldox 900, all welding procedures and welder qualifications for welding Weldox 900 must be the same as those outlined in NAVSEA TP 1688 as applicable for welding HY- 130.

3.4.2 Standard spec modification. For any welding involving HY-130 on the flight deck of WMEC-270 “B-Class” cutters, perform all welding and allied processes, and non-destructive evaluation (NDE) in accordance with NAVSEA TP 1688. The Contractor must be aware that the welding requirements specified in this document take precedence over paragraph 3.3.6 of SFLC Standard Spec 0000 for the purpose of welding involving HY-130.

3.4.3 Approval to weld HY-130. To obtain Coast Guard approval to weld on HY-130 steel for WMEC-270 “B- Class” cutters, the Contractor must provide written Performance Qualification Records (PQR’s) for each process to be used. The PQR’s must be approved by one of the regulatory agencies affirming that the WPS meets the welding requirements of NAVSEA TP 1688. In addition, the Contractor must ensure that all subcontractors, prior to performing welding operations, have qualified procedures by meeting all the requirements set forth in this document.

NOTE

NAVSEA approval is NOT required for welding procedures submitted but the procedures must be reviewed and shown to satisfy the requirements set forth in NAVSEA TP 1688, by a welding regulatory agency. The requirements for welding Weldox 900 are considered the same as those for welding HY-130.

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

4 (Rev-1)

3.5.1 USCG facilities. The Contractor must provide and maintain environmental protection as defined in SFLC Std Spec 0000 Appendix B, Requirements for Environmental Protection at USCG Facilities, 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.

3.5.1.1 USCG Generator status. The activity Generator Status for the Coast Guard Facility is Large Quantity Generator (LGQ).

3.5.1.2 Plans and permits. The CG Facility has unit specific permits including the following:

• Spill Prevention Control and Countermeasures (SPCC) Plan: Unit has a SPCC Plan which requires certain unit-specific procedures be followed for the storage, inspection, and transfer of petroleum products in containers 55 gallons or greater.

• National Pollutant Discharge Elimination System (NPDES) Storm Water (SW) Permit: Unit has an NPDES SW permit which requires unit-specific procedures be followed for the storage and inspection of equipment and materials which may contribute contaminants to storm water discharges.

• Air Emission Permit: Unit has an Air Emission Permit which requires unit-specific procedures be followed for the emissions of VOCs and hazardous air pollutants.

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 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.

5 (Rev-1)

3.5.5 HW disposal. Contractor must comply with SFLC Std Spec 0000 Appendix B, Requirements For Environmental Protection At USCG Facilities for HW disposal, and ensure that waste removals are conducted during normal business hours (0800-1600) on Monday through Friday (excluding holidays).

3.5.6 Additional Requirements. The Contractor must be aware of the following:

3.5.6.1 No Contractor or Subcontractor must have the authority to sign a Hazardous Waste Manifest using the Coast Guard facility’s EPA Generator ID Number or remove contract generated hazardous waste from the Coast Guard facility without COR or KO-approval.

3.5.6.2 Local environmental regulations at the Government facilities may be more stringent. As with all environmental regulations, the Contractor must prepare for and comply with local and state regulations.

3.5.6.3 Coast Guard facilities do not maintain Facilities Response Plans (FRPs) per 33 CFR 154. Contractor must furnish the FRP when required for over-the-water liquids transfers to and from vessels, and is required for oil/fuel transfers to/from vessels for 250 barrels (10,500 gallons) or more.

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

3.7 SFLC Standard Specification approved changes. Approved updates to the 2022 SFLC Standard Specifications will appear here.

3.7.1 None.

4. NOTES

4.1 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in SFLC Std Spec 6310 to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this document.

6 (Rev-1)

QA-1 - QUALITY ASSURANCE INSPECTION FORM

(PRESERVATION CHECKLIST)

VESSEL NAME HULL # WORK ITEM

WORK ITEM TITLE

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

CHECKPOINT 1 – COATING SYSTEM COMPLIANCE

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

CHECKPOINT 2 - PAINT STORAGE

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

CHECKPOINT 3 - AMBIENT CONDITIONS

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

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

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

CHECKPOINT 4 - PRE-SURFACE PREPARATION

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

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

CHECKPOINT 5 - SURFACE PREPARATION

Verify environmental conditions (see CHECKPOINT 3).

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

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

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

CHECKPOINT 6 - PRIMER COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

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

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

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

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

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

Perform visual inspection for holidays and other defects.

CHECKPOINT 7 – STRIPE COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

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

CHECKPOINT 8 – TOP COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

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

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

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

CHECKPOINT 9 – FINAL INSPECTION

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

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

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

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

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

CHECKPOINT 10 – RECORD KEEPING

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

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

NAME OF CG REPRESENTATIVE SIGNATURE UNIT DATE/TIME

7 (Rev-1)

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 |

8 (Rev-1)

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/NACE No. 2

SSPC-SP WJ-2/NACE 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/NACE INSPECTOR SIGNATURE CERT. # DATE /

TIME

9 (Rev-1)

QA-3b - QUALITY ASSURANCE INSPECTION FORM

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

VESSEL NAME HULL # WORK ITEM

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-2/NACE 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-1)

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-1)

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 BATC

H #

INDUCTI

ON TIME

COATING SYSTEM

SEQUENCE

(PRIMER/TOUCHUP/3RD

COAT, ETC.)

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

SPOT 1 2 3 4 5 AVERAGE

VALUE

*BASE METAL READING

(BMR)

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

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

APPLICATION METHOD (AIRLESS,

CONVENTIONAL SPRAY, ROLLED)

AVERAGE DFT

12 (Rev-1)

4.2 Tank and Void Assessment form.

13 (Rev-1)

14 (Rev-1)

12300_ESD_1022_FLT

REC_12311_FLT_270’ WMEC ‘B’ Class (ALL) (1022)

WORK ITEM 1: Tanks, Aviation Fuel Service, Clean And Inspect

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean and inspect the following tank(s):

TYPE OF

TANK LOCATION CAPACITY - 95%

(GALLONS)

LOW SUCTION

(GALLONS)

JP-5 Service 3-190-1-J 890 20 JP-5 Service 3-190-2-J 890 20

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 905 WMEC 113-001, Rev C, Tank Top Plating & Framing Fwd Fr 101 Coast Guard Drawing 905 WMEC 113-002, Rev A, Tank Top Plating & Framing Aft 182 Coast Guard Drawing 905 WMEC 113-003, Rev F, Tank Top Plating & Framing FR 101-182 Coast Guard Drawing 905 WMEC 116-001, Rev C, CVK Fwd - 101 & Girder Long 2 Coast Guard Drawing 905 WMEC 116-002, Rev B, CVK Aft 182 Coast Guard Drawing 905 WMEC 116-003, Rev E, CVK Girder L-2 & L-4 Fr 101 - 182 Coast Guard Drawing 905 WMEC 121-001, Rev B, Long Tk Bhds Aft 182 Coast Guard Drawing 905 WMEC 122-001, Rev C, Transv Bhds 12 & 26 Coast Guard Drawing 905 WMEC 122-002, Rev C, Transv Bhds 47/78/82 Coast Guard Drawing 905 WMEC 122-003, Rev C, Transv Bhds 103 - 117 Coast Guard Drawing 905 WMEC 122-004, Rev E, Transv Bhds 165/169/151.6 Coast Guard Drawing 905 WMEC 122-005, Rev A, Transv Bhds 186/190 Coast Guard Drawing 905 WMEC 122-006, Rev E, Transv Bhds 196/207/228/242

COAST GUARD PUBLICATIONS

Coast Guard Technical Specification D-123-2049, Feb 2020, 270’ WMEC B Class Fluid

Handling Plan for Tank Inspections

15 (Rev-1)

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

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes

OTHER REFERENCES

Federal Specification (Fed Spec) QQ-N-281D (2), Oct 1985, Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C-6183A, 2019, Cork and Rubber Composition Sheet; For Aromatic Fuel and Oil Resistant Gaskets

3. REQUIREMENTS

3.1 General. The Contractor must refer to the Coast Guard Drawings listed under Section 2 (References) for guidance in accomplishing this work.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

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).

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: up to a total of 1780 gallons of fuel.

NOTE

Vessel may come in with less tank fluid contents than specified above. The Contractor is responsible for providing all materials, equipment and services necessary to comply with local environmental regulations.

3.1.4.1 The Contractor must follow the fluid handling plan in accordance with Coast Guard Technical Spec D-123-2049 when moving fluid between tanks to ensure adequate stability of the vessel.

3.2 Operational test, initial. Prior to commencement of work, the Contractor must witness Coast Guard personnel perform an initial operational test of all items or shipboard devices to be disturbed, used, repaired, or altered, to demonstrate existing operational condition. Submit a CFR.

3.3 Cleaning requirements. The Contractor must remove tank cover(s) and clean tank interior surfaces free of all foreign materials, such as residual water, sediment, sludge, rust, and bacterial growth, taking care not to damage the coating system (if applicable).

16 (Rev-1)

3.3.1 Remove cleaning media and residues continuously during the washing process. Wash the tank with high-pressure cold fresh water before it has a chance to dry after emptying. Do not use steam; it can damage the tank’s coating.

3.3.2 Drain and dry the tank using a portable air-driven pump. When dry, and after final visual inspection, close the tank. Submit a CFR.

WARNING

Do not use the Fuel Service or Transfer systems to drain water from the tank.

Excessive fuel contamination will result.

3.4 Tank content and waste disposal. The Contractor must dispose of tank contents and all cleaning fluids in compliance with all applicable Federal, state, and local laws, ordinances and regulations. Document a complete chain of custody record of the removed tank contents and generated wastes, from the vessel to the point of final destination or delivery. Submit document to the COR upon completion of work.

3.5 Visual inspection. The Contractor must visually inspect all tank interior surfaces, including, but not limited to bulkheads, floor and overhead plating, structural members, manhole cover surfaces, fasteners and gasket seating surfaces. Complete the “Tank and Void Assessment Form” (found in the Work Item titled “General Requirements”) and submit via CFR. Electronic PDF version of this form will be furnished by the COR upon request. Include the following, as applicable:

• Tank structural condition.

• Inaccessible areas.

• Condition of tank coating, including measurements taken, percentage, location, and type of coating failure.

• Tank level indicator (TLI) and/or float switch condition.

• Sounding/vent tube and striker plate condition.

• Suction and discharge piping condition.

• Fastener material and condition.

3.6 Ultrasonic thickness (UT) measurement. The Contractor must take a total of 50 UT measurements in accordance with SFLC Std Spec 0740, Appendix C in locations designated by the Coast Guard Inspector and using Coast Guard Drawings listed in section 2 of this work item as guidance. Submit a CFR.

3.6.1 In addition to the UT measurements, take a total of 10 pit-depth measurements, using a suitable pit depth gauge within each tank designated by the Coast Guard Inspector.

3.7 Tank closing. The Contractor must ensure that the tank(s) remain open for approximately 24 hours after completion of any authorized repair and preservation procedures. Notify the COR at least 24 hours prior to closing the tank(s) and ensure tank closure is accomplished in the presence of the Coast Guard Inspector. After satisfactory inspection by the Coast Guard Inspector and completion of all authorized repairs, close tank manhole cover(s) with new gasket material conforming to AMS-C-6183. Chase threads on studs to ensure even installation of the access covers. Renew any damaged or non-monel nuts with Nickel-Copper alloy (monel) nuts meeting QQ-N-281, Class A or B. The nuts and bolts must be of different classes to prevent galling. Existing undamaged fasteners meeting this specification may be reused. Renew 100% of existing fasteners.

17 (Rev-1)

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.8 Operational test, post repairs. After completion of work, the Contractor must thoroughly test, in the presence of the Coast Guard Inspector and demonstrate all items or shipboard devices that have been disturbed, used, repaired, altered, or installed to be in satisfactory operating condition. Submit a CFR.

4. NOTES

4.1 Tank content removal. The Ship’s force will pump down the tanks to the maximum extent possible with the installed pumping system.

4.2 Tank inspection. The Coast Guard Inspector will visually inspect the tank interior immediately prior to closing.

4.3 Refilling. After final visual inspection and tank closure, Ship’s force will refill tank with JP-5 fuel.

Recirculate the fuel until it is clear and bright and passes the MK I and MK III detector kit tests. Flush all lines, pipes, and fittings before placing the JP-5 system back in service.

18 (Rev-1)

12300_ESD_1022_FLT

REC_12311_FLT_270’ WMEC ‘B’ Class (ALL) (1022)

WORK ITEM 2: Tanks, Aviation Fuel Stowage And Overflow, Clean And Inspect

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean and inspect the following tank(s):

TYPE OF TANK LOCATION CAPACITY - 95%

(GALLONS)

LOW SUCTION

(GALLONS)

JP-5 Drain 4-186-1-J 219 20 JP-5 Overflow 4-186-2-J 610 20 JP-5 Storage 4-190-1-J 8,928 300 JP-5 Storage 4-190-2-J 8,928 300

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 905 WMEC 113-001, Rev C, Tank Top Plating & Framing Fwd Fr 101 Coast Guard Drawing 905 WMEC 113-002, Rev A, Tank Top Plating & Framing Aft 182 Coast Guard Drawing 905 WMEC 113-003, Rev F, Tank Top Plating & Framing FR 101-182 Coast Guard Drawing 905 WMEC 116-001, Rev C, CVK Fwd - 101 & Girder Long 2 Coast Guard Drawing 905 WMEC 116-002, Rev B, CVK Aft 182 Coast Guard Drawing 905 WMEC 116-003, Rev E, CVK Girder L-2 & L-4 Fr 101 - 182 Coast Guard Drawing 905 WMEC 121-001, Rev B, Long Tk Bhds Aft 182 Coast Guard Drawing 905 WMEC 122-001, Rev C, Transv Bhds 12 & 26 Coast Guard Drawing 905 WMEC 122-002, Rev C, Transv Bhds 47/78/82 Coast Guard Drawing 905 WMEC 122-003, Rev C, Transv Bhds 103 - 117 Coast Guard Drawing 905 WMEC 122-004, Rev E, Transv Bhds 165/169/151.6 Coast Guard Drawing 905 WMEC 122-005, Rev A, Transv Bhds 186/190 Coast Guard Drawing 905 WMEC 122-006, Rev E, Transv Bhds 196/207/228/242

19 (Rev-1)

COAST GUARD PUBLICATIONS

Coast Guard Technical Specification D-123-2049, Feb 2020, 270’ WMEC B Class Fluid

Handling Plan for Tank Inspections Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes

OTHER REFERENCES

Federal Specification (Fed Spec) QQ-N-281D (2), Oct 1985, Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C-6183A, 2019, Cork and Rubber Composition Sheet; For Aromatic Fuel and Oil Resistant Gaskets

3. REQUIREMENTS

3.1 General. The Contractor must refer to the Coast Guard Drawings listed under Section 2 (References) for guidance in accomplishing this work.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

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).

NOTE

Vessel may come in with less tank fluid contents than specified above. The Contractor is responsible for providing all materials, equipment and services necessary to comply with local environmental regulations.

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: up to a total of 10,000 gallons of fuel.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.1.4.1 The Contractor must follow the fluid handling plan in accordance with Coast Guard Technical Spec D-123-2049 when moving fluid between tanks to ensure adequate stability of the vessel.

20 (Rev-1)

3.2 Operational test, initial. Prior to commencement of work, the Contractor must witness Coast Guard personnel perform an initial operational test of all items or shipboard devices to be disturbed, used, repaired, or altered, to demonstrate existing operational condition. Submit a CFR.

3.3 Cleaning requirements. The Contractor must remove tank cover(s) and clean tank interior surfaces free of all foreign materials, such as residual water, sediment, sludge, rust, and bacterial growth, taking care not to damage the coating system (if applicable).

3.3.1 Remove cleaning media and residues continuously during the washing process. Wash the tank with high-pressure cold fresh water before it has a chance to dry after emptying. Do not use steam as it can damage the tank’s coating.

3.3.2 Drain and dry the tank using a portable air-driven pump. When dry, and after final visual inspection, close the tank. Submit a CFR.

WARNING

Do not use the Fuel Service or Transfer systems to drain the water from the tank. Excessive fuel contamination will result.

3.4 Tank content and waste disposal. The Contractor must dispose of tank contents and any cleaning fluids in compliance with all applicable Federal, state, and local laws, ordinances and regulations.

Document a complete chain of custody record of the removed tank contents and generated wastes, from the vessel to the point of final destination or delivery. Submit document to the COR upon completion of work.

3.5 Visual inspection. The Contractor must visually inspect all tank interior surfaces, including, but not limited to bulkheads, floor and overhead plating, structural members, manhole cover surfaces, fasteners and gasket seating surfaces. Complete the “Tank and Void Assessment Form” (found in the Work Item titled “General Requirements”) and submit via CFR. Electronic PDF version of this form will be furnished by the COR upon request. Include the following, as applicable:

• Tank structural condition.

• Inaccessible areas.

• Condition of tank coating, including measurements taken, percentage, location, and type of coating failure.

• Tank level indicator (TLI) and/or float switch condition.

• Sounding/vent tube and striker plate condition.

• Suction and discharge piping condition.

• Fastener material and condition.

3.6 Ultrasonic thickness (UT) measurement. The Contractor must take a total of 50 UT measurements in accordance with SFLC Std Spec 0740, Appendix C in locations designated by the Coast Guard Inspector and using Coast Guard Drawings listed in section 2 of this work item as guidance. Submit a CFR.

21 (Rev-1)

3.6.1 In addition to the UT measurements, take a total of 10 pit-depth measurements, using a suitable pit depth gauge within each tank designated by the Coast Guard Inspector.

3.7 Tank closing. The Contractor must ensure that the tank(s) remain open for approximately 24 hours after completion of any authorized repair and preservation procedures. Notify the COR at least 24 hours prior to closing the tank(s) and ensure tank closure is accomplished in the presence of the Coast Guard Inspector. After satisfactory inspection by the Coast Guard Inspector and completion of all authorized repairs, close tank manhole cover(s) with new gasket material conforming to AMS-C-6183. Chase threads on studs to ensure even installation of the access covers. Renew any damaged or non-monel nuts with Nickel-Copper alloy (monel) nuts meeting QQ-N-281, Class A or B. The nuts and bolts must be of different classes to prevent galling. Existing undamaged fasteners meeting this specification may be reused. Renew 100% of existing fasteners.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.8 Operational test, post repairs. After completion of work, the Contractor must thoroughly test, in the presence of the Coast Guard Inspector and demonstrate all items or shipboard devices that have been disturbed, used, repaired, altered, or installed to be in satisfactory operating condition. Submit a CFR.

4. NOTES

4.1 Tank content removal. The Ship’s force will pump down the tanks to the maximum extent possible with the installed pumping system.

4.2 Tank inspection. The Coast Guard Inspector will visually inspect the tank interior immediately prior to closing.

4.3 Refilling. After final visual inspection and tank closure, Ship’s force will refill tank with JP-5 fuel.

Recirculate the fuel until it is clear and bright and passes the MK I and MK III detector kit tests. Flush all lines, pipes, and fittings before placing the JP-5 system back in service.

22 (Rev-1)

31410_CNJ_0821_210_270

REC_31410_210_270_270 WMEC ‘B’ Class (ALL) (0221)

WORK ITEM 3: 28 Volt DC Helo Power Supply, Load Test

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to load test the 28 Volt DC Helo Power Supply.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 901 WMEC 314-005, Rev B, 28.5 VDC Hlcptr Start Rect Replacement

Diagram

COAST GUARD PUBLICATIONS

Coast Guard Technical Publication (TP) 7099, SWBS 314, Oct 2009, Rectifier Power Supply - 28

VDC, 300 A

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

OTHER REFERENCES

NAVAIR SI-ACS-AFB-1P, 01 July 2020, Air Capable Ship Aviation Facilities Bulletin No. 1P

3. REQUIREMENTS

3.1 General. The Contractor must refer to the Coast Guard drawing(s) listed under Section 2 (References) for guidance in accomplishing this work…