MACKINAW (WLBB 240) DS FQ4 AJM 21R0.pdf

USCGC MACKINAW (WLBB 30)

SPECIFICATION FOR DOCKSIDE REPAIRS

FY2021

Developed By: Arthur J McCrohan

(Rev-0, 24 February 2021)

USCGC MACKINAW (WLBB-240) DOCKSIDE AVAILABILITY FY2021

ii (Rev-0)

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 (Potable Water), Clean and Inspect WORK ITEM 2: Fixed CO2 Cylinders, Weight & Test WORK ITEM 3: Galley APC System, Test, Service, Renew Fuse-Able Link WORK ITEM 4: Oily Water Drain Piping Obstructions, Clear WORK ITEM 5: Tank (L/O) Clean and Inspect WORK ITEM 6: Deck Covering (Interior Wet/Dry), Renew WORK ITEM 7: Grey Water Holding Tank(s), Clean and Inspect WORK ITEM 8: Sewage Piping, Renew WORK ITEM 9: General Deck Covering (Interior Wet/Dry), Renew WORK ITEM 10: Piping Insulation, Renew WORK ITEM 11: Walk-In Reefer and Freezer, Repair and Renew WORK ITEM 12: Compartment Insulation, Renew WORK ITEM 13: Fuseable Links, Inspect and Renew WORK ITEM 14: Emergency / Auxiliary Diesel Generator Radiator Fan Motor and Drive System, Overhaul WORK ITEM 15: Equipment Removal Trolley, Weight Test 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 240 WLBB 516-1, Rev B, Refrigeration System Piping Diagram Coast Guard Drawing 240 WLBB 516-4, Rev A, Refrigeration System A/D Coast Guard Drawing 240 WLBB 526-001, Rev A, Weather Deck Drains Diagram Coast Guard Drawing 240 WLBB 526-003, Rev F, Weather Deck Dr System A/D Coast Guard Drawing 240 WLBB 533-001, Rev D, Potable Water System Diagram Coast Guard Drawing 240 WLBB 555-001, Rev D, Fire Extinguishing System Diagram CO2 Coast Guard Drawing 240 WLBB 593-001, Rev D, Sewage System Diagram Coast Guard Drawing 240 WLBB 593-002, Rev D, Oily Bilge Water System Diagram Coast Guard Drawing 240 WLBB 593-003, Rev F, Weather Deck Dr System A/D Coast Guard Drawing 240 WLBB 593-005, Rev F, Sewage System A&D Coast Guard Drawing 240 WLBB 593-1, Rev D, Sewage System Diagram Coast Guard Drawing 240 WLBB 593-5, Rev G, Sewage System A/D Coast Guard Drawing 240 WLBB 601-001, Rev J, Inboard and Outboard Profile Coast Guard Drawing 240 WLBB-320-004, Rev G, Power Sys Deck Plan – Main Deck Coast Guard Drawing 240 WLBB-601-001, Rev L, Inboard and Outboard Profile, Plan View, Tankage

Arrangement Coast Guard Drawing 240 WLBB-624-001, Rev B, Joiner Doors and Hardware Schedule (rolling fire door).

Coast Guard Drawing 240-WLBB 127-55, Rev -, GLIB Independent Tanks - HB 955 Coast Guard Drawing 240-WLBB 516-001, Rev B, Refrigeration System Piping Diagram Coast Guard Drawing 240-WLBB 516-004, Rev A, Refrigeration A/D Coast Guard Drawing 240-WLBB 601-01, Rev J, Inboard & Outboard Profile, Plan View, Tankage

Arrangement Coast Guard Drawing 240-WLBB 601-1, Rev J, Inboard & Outboard Profile, Plan View, Tankage

Arrangement Coast Guard Drawing 240-WLBB 635-1, Rev E, Hull Insulation Schedule Coast Guard Drawing 240-WLBB 801-15, Rev C, Scantling Decks & Platforms Coast Guard Drawing 240-WLBB-320-001, Rev. J, Electrical One-line Coast Guard Drawing 240-WLBB-320-016, Rev. C, Motor Controllers Elementary Wiring Diagram v (Rev-0)

Coast Guard Drawing 240-WLBB-601-001, Rev. L, Inboard & Outboard, Plan View, Tankage Arrangement

Coast Guard Drawing 240-WLBB-611-4 NAVSEA Drawing 804-5773931, Rev A, Acoustic & Thermal Insulation For Compartments Installation

Details

COAST GUARD PUBLICATIONS

General Purpose Weight Handling Gear Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Colors

Manual Coast Guard Technical Publication (Tech Pub) 3812, Walk-In Refrigerator / Freezer - Model 91214C Coast Guard Technical Publication (TP) 3796, Section B, Aug 2006, Galley Hood Coast Guard Technical Publication (TP) 3811, Rev –, CO2 Fire Extinguishing System – Model 95206 Coast Guard Technical Publication 3805A (Tech Pub 3805A), SWBS 310, October 2008, Emergency

Generator Radiator (240’ WLBB Class Cutter) Coast Guard Technical Publication 3835 (Tech Pub 3835), SWBS 320, February 2009, Motor Controllers

(240’ WLBB Class Cutter) Naval Ships’ Technical Manual (NSTM) Chapter 555, Jan 2010, Volume 1, Revision 13, Surface Ship

Firefighting Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General

Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2020, Welding and

Allied Processes Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2020, Surface Forces Logistics Center Standard Specification 3020 (SFLC Std Spec 3020), 2020, Overhaul AC

Electrical Motors Surface Forces Logistics Center Standard Specification 3041 (SFLC Std Spec 3041), 2020, Shipboard

Electrical Cable Test Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), 2020, Shipboard

Electrical Cable Removal, Relocation, Splice, Repair, and Installation Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2020, Auxiliary

Machine Systems Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2020, Requirements for Preservation of Ship Structures Surface Forces Logistics Center Standard Specification 6341 (SFLC Std Spec 6341), 2020, Install New

Deck Covering Systems Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2020, Temporary

Services Surface Forces Logistics Center Technical Standard 570 (SFLC TS-570), 2016, Welding and Allied Processes

OTHER REFERENCES

American Bureau of Shipping, ABS 152.2012, Guide for Certification of Lifting Appliances American National Standards Institute/American Water Works Association (ANSI/AWWA) C652, 2011, Disinfection of Water-Storage Facilities vi (Rev-0)

American National Standards Institute/NSF International (ANSI/NSF) 61, 2015, Drinking Water System Components - Health Effects

American Society of Mechanical Engineers, ASME B30.16-2017, Overhead Underhung and Stationary Hoists

American Society of Mechanical Engineers, ASME B30.17-2015, Cranes and Monorails (With Underhung Trolley or Bridge)

ASTM International (ASTM) D1330, 2004, Standard Specification for Rubber Sheet Gaskets ASTM International (ASTM) D1330, 2015, Standard Specification for Rubber Sheet Gaskets ASTM International (ASTM) F683, 2003, Standard Practice for Selection and Application of Thermal

Insulation for Piping and Machinery International Standards Organization (ISO) Standard 21940 (series), Mechanical Vibration – Rotor

Balancing Manufacturers Standardization Society of the Valve and Fittings Industry (MSS), SP-58, 2009, Pipe

Hangers and Supports – Materials, Design, Manufacture, Selection, Application and Installation Naval Ships’ Technical Manual Chapter 300 (NSTM 300), Electric Plant—General, S9086-KC-STM-

010, Rev. 9, 1 MAY 2012 NAVSEA Drawing 804-5959214, Rev-, Piping Insulation - Installation Details The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2012, Power Tool Cleaning to Bare Metal

WATER SUPPLY AND WASTEWATER DISPOSAL TACTICS, TECHNIQUES, AND

PROCEDURES (TTP), CGTTP 4-11.10

vii (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.

viii (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

Oily Water Drain Piping Obstructions, Clear

Tank (L/O) Clean and Inspect

6 Deck Covering (Interior Wet/Dry), Renew

9 General Deck Covering (Interior Wet/Dry), Renew

14 Emergency / Auxiliary Diesel Generator Radiator Fan Motor and Drive System, Overhaul ix (Rev-0)

PRINCIPAL CHARACTERISTICS

240' WLBB (CGC MACKINAW)

PHYSICAL

Length overall 240’ 0” Depth (main deck at side to baseline) 24' 0" Maximum beam 58’ 0” Height of highest Projection (above

DWL)

95' 6"

Full load draft 15’ 6” LCF Draft Full load displacement (icebreaking) 3427.82 Long Tons Freshwater Shore tie voltage requirements 1,200 Amp total

3EA 400A 450VAC 3PH

Ungrounded forward/aft stations

HULL

Frame spacing FR 19-25 = 19"

FR 33-39 = 21"

ALL Else = 20"

MACHINERY

Number of propellers 2 Number of blades per propeller 4 Diameter of propeller 10.25' Pitch 96.98" RPM 226 rated 270 max Shafting/propulsion system Azipod

TANK CAPACITIES

Diesel oil 115,538 gal.

Fresh water capacity 27,948 gal.

Hydraulic oil capacity 696 gal.

Lube oil storage 1,159 gal.

Grey water tank 27, 080 gal.

Sewage holding tank 5,313 gal.

1 (Rev-0)

00000_0220_FLT

REC_00000_FLT_Commercial Project @ CG Facility (1212)

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), 2020, General

Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2020, Welding and

Allied Processes Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2020, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None

3. REQUIREMENTS

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

NOTE

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

2 (Rev-0)

3.2 Contractor-provided fire extinguishers. The Contractor shall provide portable fire extinguishers.

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

• Provide 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 shall accomplish all preservation tasks, including touch-ups, in accordance with SFLC Std Spec 6310.

3.3.1 Brand name approval. Ensure that all contractor-furnished coatings are in accordance with SFLC Std Spec 6310, Appendix C (Authorized Coatings for Use on Cutters and Boats).

3.3.2 Coating colors and system color schemes. Ensure that all colors and color coat/paint schemes are in accordance with COMDTINST M10360.3, Chapter 6 (Cutter and Boat Colors Exterior and Interior).

NOTE

Unless a waiver has been granted (in writing) by the KO, deviations from authorized coatings (listed in Appendix C of SFLC Std Spec 6310) and colors and color schemes (provided in Chapter 6 of COMDTINST M10360.3) are strictly prohibited.

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

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

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

3.5.1.1 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 (Rev-0)

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

3.5.3 Regulatory notifications. The Contractor shall be responsible for all regulatory notification requirements in accordance with Federal, State and local regulations. In cases where the Coast Guard must also provide public notification, such as storm water permitting, the Contractor must coordinate with the Contracting Officer or COR, and if work is being performed at a USCG Facility, the local Facility Engineer or Engineering Officer. The Contractor shall submit copies of all regulatory notifications to the Contracting Officer and the local Facility Engineer or Engineering Officer prior to commencement of work activities. Regulatory notifications shall be provided for including but not limited to demolition, renovation, National Pollutant Discharge Elimination System (NPDES) defined site work, and remediation of controlled substances such as asbestos, hazardous waste, and lead paint.

3.5.4 Environmental manager. The Contractor shall appoint in writing an Environmental Manager for the project, and shall be responsible for coordinating Contractor compliance with Federal, State, local, and station environmental requirements. The Environmental Manager shall ensure compliance with Hazardous Waste Program requirements, including hazardous waste handling, storage, manifesting, and disposal; implement the Contractors’ Environmental Management Plan; ensure that all environmental permits are obtained, maintained, and closed out; ensure compliance with Storm Water Program Management requirements; ensure compliance with Hazardous Materials including storage, handling, and reporting requirements; as well as coordinate any remediation of regulated substances such as lead, asbestos, and polychlorinated biphenyl (PCB). This may be a collateral position; however the individual must be trained to accomplish the following duties; ensure waste segregation and storage compatibility requirements are met; inspect and manage Satellite Accumulation areas;

ensure only authorized personnel add wastes to containers; ensure all Contractor personnel are trained in 40 CFR requirements and individual position requirements; coordinate removal of waste containers; and maintain the Environmental Records binder and required documentation, including environmental permits compliance and close-out.

3.5.5 HW disposal. Contractor shall comply with SFLC Std Spec 0000 Appendix 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 shall be aware of the following:

3.5.6.1 No Contractor or Subcontractor shall 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 shall 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 shall 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. None.

3.7 SFLC Standard Specification approved changes. The Contractor shall be aware that the following are approved changes to published SFLC 2018 Edition Standard Specifications and supersede published content:

4 (Rev-0)

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.

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/NACE INSPECTOR SIGNATURE CERT. # DATE / TIME

6 (Rev-0)

QA-2 - QUALITY ASSURANCE INSPECTION FORM

(ENVIRONMENTAL READINGS)

VESSEL NAME HULL # WORK ITEM

# WORK ITEM TITLE

Use one sheet for each activity. Record conditions every four hours from before surface preparation to application of final coating system coat.

DATE

TIME

ACTIVITY (SURFACE

PREPARATION, PRIMER COAT,

BARRIER COAT, TOP COAT,

ETC…)

LOCATION (FRAME &

DECK, RELATION TO

EQUIPMENT, ETC.)

TEMPERATURE % REL.

HUMID-

ITY

DEW

PT.

SURFACE AMBIENT ΔT

| DP -

SURFACE |

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

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

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-1/NACE WJ-1

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP WJ-3/NACE WJ-3

SSPC-SP WJ-4/NACE WJ-4

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area) Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

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

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

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

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

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

TIME

8 (Rev-0)

QA-3B - QUALITY ASSURANCE INSPECTION FORM

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

VESSEL NAME HULL # WORK ITEM

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-1/NACE WJ-1

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP WJ-3/NACE WJ-3

SSPC-SP WJ-4/NACE WJ-4

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area) Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

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

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

SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Mean Reading (mils)

Mean Reading (mils) IAW ASTM DD4417).

9 (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)

10 (Rev-0)

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.

1 AVG. BMR DEVIATION

1 AVG. BMR DEVIATION

APPLICATION METHOD (AIRLESS,

CONVENTIONAL SPRAY, ROLLED)

AVERAGE DFT

11 (Rev-0)

12314_1220_FLT

REC_12314_FLT240’ WLBB (30 CGC MACKINAW) (0611)

WORK ITEM 1: Tanks (Potable Water), 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):

TABLE 1 - TANKS

TYPE OF TANK LOCATION CAPACITY - 95%

(GALLONS)

LOW SUCTION

(GALLONS)

Potable Water 3-39-1-W 13,275 300

Potable Water 3-39-2-W 13,275 300

1.2 Government-furnished property.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 240 WLBB 533-001, Rev D, Potable Water System Diagram

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements

OTHER REFERENCES

American National Standards Institute/NSF International (ANSI/NSF) 61, 2015, Drinking Water

System Components - Health Effects American National Standards Institute/American Water Works Association (ANSI/AWWA)

C652, 2011, Disinfection of Water-Storage Facilities

12 (Rev-0)

WATER SUPPLY AND WASTEWATER DISPOSAL TACTICS, TECHNIQUES, AND

PROCEDURES (TTP), CGTTP 4-11.10

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not applicable.

3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

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

• Fluid contents

• Piping

• RO system components

• Deck grating.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.2 Operational test, initial. Prior to commencement of work, the Contractor shall witness Coast Guard personnel perform an initial operational test of the equipment listed below to demonstrate existing operational condition. Submit a CFR.

• TLI

3.3 Plug log. The Contractor shall keep a written record of all plugs put in any tanks vents. A separate list shall be kept for each tank being entered.

3.3.1 Ensure that all plugs are removed from each tank upon completion of work in the tank.

3.3.2 Ensure the plug log is available to the Coast Guard inspector when the inspector is performing his close-out inspection on each tank.

13 (Rev-0)

3.4 Tank content removal. The Contractor shall remove and dispose of all fluids and/or residues in accordance with all applicable Federal, state, and local regulations. The Contractor shall notify the Dockmaster prior to filling or draining the potable water tank(s), when this item is being executed in a drydock availability. The Contractor shall refer to Coast Guard Drawing 240 WLBB 533-001 for guidance.

3.5 Tank cleaning. The Contractor shall remove tank cover(s); clean tank interior surfaces free of all foreign materials, such as sediment, sludge and bacterial growth. Remove all persistent residues, taking care not to damage any tank coating system. Remove cleaning media and residues continuously from the tank during the washing process. Remove any residual wash media and wipe up residual moisture with clean lint-free cloths. Collect, contain, and dispose of all wash media, residues, and cleaning materials in accordance with all Federal, state, and local regulations.

3.6 Inspection. The Contractor shall 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. Submit a CFR including the following, as applicable:

• Tank structural condition.

• Inaccessible areas, if any.

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

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

• Sounding tube and striker plate condition.

• Suction and discharge piping condition.

• Fastener material and condition.

3.7 Tank closing. The Contractor shall notify the COR at least 24 hours prior to closing the tank(s). 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 ANSI/NSF 61. Renew all stud cotton grommets upon reinstallation of manhole cover(s).

3.7.1 The Contractor shall renew 100% of nuts and washers.

3.8 Tank disinfecting. After all other work involving the potable water system and tank closing have been completed, the Contractor shall disinfect and treat the affected potable water tank(s) and associated disturbed piping and components, as necessary, to meet or exceed the requirements of CGTTP 4-11.10.

After tank disinfecting; remove and dispose of all treated water in accordance with all Federal, state and local regulations. Ensure that no one enters the tanks once disinfection is completed.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.9 Operational test, post repairs. After completion of work and in the presence of the Coast Guard Inspector, the Contractor shall thoroughly test and demonstrate the equipment listed below to be in satisfactory operating condition. Submit a CFR.

• TLI

14 (Rev-0)

This section is not applicable to this work item.

15 (Rev-0)

55500_RAK_0714_30

WORK ITEM 2: Fixed CO2 Cylinders, Weight & Test

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to weight and test the fixed CO2 system cylinders.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 240 WLBB 555-001, Rev D, Fire Extinguishing System Diagram CO2

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements Naval Ships’ Technical Manual (NSTM) Chapter 555, Jan 2010, Volume 1, Revision 13, Surface

Ship Firefighting Coast Guard Technical Publication (TP) 3811, Rev –, CO2 Fire Extinguishing System – Model

95206

OTHER REFERENCES

None.

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

3.1.2 Tech Rep.

16 (Rev-0)

3.1.2.1 The Contractor shall provide the services of a qualified Tech Rep, who is familiar with the Ansul CO2 system/equipment, to do the following, on site:

• Advise on manufacturer's proprietary information pertinent to the system.

• Assist with weight testing methods.

• Ensure compliance with manufacturer's procedures and standards during weight testing.

3.1.2.2 Ensure that the Tech Rep has a resume of demonstrated experience with the system/equipment and certified SCBA’s to perform the required task.

3.1.2.3 Submit a copy of the Tech Rep’s résumé and a list of references to the to the COTR at the Arrival Conference.

3.1.3 Protective measures - general. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

3.1.4 Interferences. The Contractor shall hang 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:

• Valve Guards.

• System Hoses.

• Securing Brackets.

3.2 Bypass system. The Contractor shall temporarily remove or bypass system components not removed during weight testing CO2 bottles, by covering, plugging, or capping all openings, pipe terminations, hose ends, inlet and outlet connections, valve flanges, and similar items to prevent entrance of any foreign material.

3.3 Weight Testing. The Contractor shall:

3.3.1 Testing. Perform a weight test of the fixed CO2 system bottles in accordance with NSTM Chapter 555, Section 4.2.6.1, (TP) 3811 and using Coast Guard Drawing 240 WLBB 555-001 as guidance. The CO2 cylinders are installed as follows:

• Flammable Liquid Storeroom (1-0-2-K) – one 100 lb cylinder

• Main Generator Room (3-57-0-E) – twenty-two 100 lb cylinders (bottles located in passage

1-53-0-L)

• Switchboard Room (2-46-0-Q) – six 100 lb cylinders (bottles located in passage 1-53-0-L)

• Motor Generator Room (3-46-0-E) – six 100 lb cylinders (bottles located in Cargo Hold 2-36-

0-A)

• Auxiliary/Emergency Diesel Generator (A/EDG) Room (03-80-0-E) – three 100 lb cylinders

(bottles located in passage 03-80-1-L)

• Azipod Propulsion Unit (4-113-0-E) – four 100 lb cylinders (two each side)

• Azipod Space (4-113-0-E) – thirteen 100 lb cylinders (bottles located in Seabag Locker 2-

102-2-A)

17 (Rev-0)

3.3.2 Pull Test. The Contractor shall conduct pull test in accordance with Coast Guard Technical Publication (TP) 3811. During inspection, test pull cable with 50 lb weight and observe spring scale until 50 lb pull is indicated.

3.4 Data Plates. The Contractor shall affix an anodized aluminum test data plate to each CO2 cylinder.

The data plate shall be engraved with ¼-inch high letters, stating the following:

3.4.1 CO2 cylinders.

• Cylinder name/number (as applicable).

• Cylinder weight

• Date of inspection and test.

• Testing facility.

4. NOTES

4.1 For an illustrated view of the CO2 flooding systems arrangement, refer to Fire Extinguishing System Diagram CO2, drawing 240 WLBB 555-001. Drawings will provide layout of the individual CO2 flooding system’s station, actuating manifold, slave cylinder manifold, and the CO2 distribution piping arrangement. Ansul system drawings are available in Coast Guard Technical Publication 3811. Each cylinder weighs approximately 300 lbs.

18 (Rev-0)

55504_RAK_0714_30

WORK ITEM 3: Galley APC System, Test, Service, Renew Fuse-Able Link

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to test, service and renew fuse-able links in the galley fire suppression system.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

None.

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements Coast Guard Technical Publication (TP) 3796, Section B, Aug 2006, Galley Hood

OTHER REFERENCES

None.

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not applicable.

3.1.3 Protective measures - general. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces in the vicinity of the

19 (Rev-0) work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

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

• Galley equipment.

3.2 Inspection and testing particulars. The Contractor shall perform all requirements outline in Section VI in Section B of (TP) 3796. Submit CFR. Renew all fusible links (2).

3.3 Recharging and resetting procedures. The Contractor shall perform all requirements outline in Section VII in Section B, of (TP) 3796. Submit CFR.

20 (Rev-0)

S19_002_59300_JBK_0221_30

WORK ITEM 4: Oily Water Drain Piping Obstructions, Clear

1. SCOPE

4.1 Intent. This work item describes the requirements for the Contractor to clear oily water drain piping flow obstructions including associated globe stop check valves originating from fuel tank vent/overflow coaming drains identified in Table 1 (below) and shown in Figures 1 thru 8.

TABLE 1 – COFFERDAM DRAIN PIPING TO BE CLEARED OF OBSRUCTION

LOCATON DRAIN ORIGINATION LOCATION DRAIN DISCHARGE

GLOBE

STOP

CHECK

VALVE

SIZE

*GLOBE STOP

CHECK VALVE

IDENTIFICATION

1st Platform, Outboard, Port Side, between frames 10 & 11

Inboard to 1 ½ inch drain header.

(Figures #1 & #2)

1 Inch V688-7

1st Platform, Outboard, Starboard Side, between frames 10 & 11

Inboard to 1 ½ inch drain header.

(Figures #1, #3, #7 & #8)

1 Inch V688-8

Main Deck, Port Side, between frames 59 & 60

Inboard to 1 ½ inch drain header.

(Figures #1 & #4)

1 Inch V688-9

Main Deck, Starboard Side, between frames 59 & 60

Inboard to 1 ½ inch drain header.

(Figures #1 & #5)

1 Inch V688-10

Main Deck, Starboard Side, between frames 11 & 13

Inboard to 1 ½ inch drain header.

(Figures #1 & #6)

1 Inch V688-11

*Valve identification is shown on CG Dwg 240 WLBB 593-002 (also identified in Figures 2 thru 7).

1.2 Government-furnished property. None

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 240 WLBB 593-002, Rev D, Oily Bilge Water System Diagram Coast Guard Drawing 240 WLBB 593-003, Rev F, Weather Deck Dr System A/D

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2020, Requirements for Preservation of Ship Structures

21 (Rev-0)

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep. None.

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:

• Sheathing

• Bulkhead insulation

• Piping

• One-step decking system

3.2 Restoration of oily water drain function. The Contractor must restore oily water drain function to 5 fuel tank vent/overflow coaming (cofferdam) drains by clearing internal obstructions from 1 inch drain piping to 1 ½ inch drain header piping as follows:

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.2.1 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.

3.2.2 The Contractor must examine the 5 globe stop check valves (V688-7, 8, 9, 10 & 11) for proper orientation and operation. Submit a CFR.

3.2.3 The Contractor must clear oily water drain piping (1 inch drain piping to 1 ½ inch drain header piping) for each drain piping run identified in Table 1. Submit CFR.

3.2.4 After each Table1 drain pipe has been cleared of obstructions and any authorized repairs made to globe stop check valve, Contractor must be reassemble valves and piping.

3.3 Leak test. After completing all authorized mechanical (i.e. threaded, bolted, etc.) joint repairs, the Contractor must test oily water drain piping identified in Table 1 using water. Ensure zero visible leakage from piping, valves & fittings by repairing all leaks and discrepancies. Submit a CFR.

22 (Rev-0)

3.4 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.

3.5 Touch-up preservation. The Contractor must prepare and coat all new and disturbed surfaces to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, (Touch-ups and minor coating repairs.)

FIGURE 1. EXCERPT FROM CG DWG 240 WLBB 593-002

Partial portion of drain piping subject to plugging obstruction.

23 (Rev-0)

FIGURE 2. EXCERPT FROM CG DWG 240 WLBB 593-002

FIGURE 3. EXCERPT FROM CG DWG 240 WLBB 593-002

FIGURE 4. EXCERPT FROM CG DWG 240 WLBB 593-002

24 (Rev-0)

FIGURE 5. EXCERPT FROM CG DWG 240 WLBB 593-002

FIGURE 6. EXCERPT FROM CG DWG 240 WLBB 593-002

25 (Rev-0)

FIGURE 7. EXCERPT FROM CG DWG 240 WLBB 593-006

FIGURE 8. EXCERPT FROM CG DWG 240 WLBB 593-006

S19_007_12315_TSI_1219_30

Typical shipboard configuration for drain globe stop check valve V688-8 (Part # 36). See Figure 3.

26 (Rev-0)

WORK ITEM 5: Tank (L/O) Clean and Inspect

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean and inspect the Azipod lube oil storage tank in the Azipod Space, Upper Level (4-113-0-E), 150-gallons.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

COAST GUARD DRAWINGS

Coast Guard Drawing 240-WLBB 601-1, Rev J, Inboard & Outboard Profile, Plan View, Tankage Arrangement Coast Guard Drawing 240-WLBB 127-55, Rev -, GLIB Independent Tanks - HB 955

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2020, Welding and Allied Processes

OTHER REFERENCES

ASTM International (ASTM) D1330, 2004, Standard Specification for Rubber Sheet Gaskets

3. REQUIREMENTS

3.1 General.

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

• 3.8 Ultrasonic thickness (UT) thickness measurement.

3.1.2 Technical Representative. Not applicable.

3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

27 (Rev-0)

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

• Azipod L/O tank (150 gallons) and piping.

• Access cover and gasket

3.1.4.1 Fluid removal. The Contractor shall remove up to 150 gallons of lube oil for gas-freeing.

NOTE

Open, ventilate, and clean all spaces and components necessary to accomplish this work item as required to certify them as "SAFE FOR PERSONNEL" and/or "SAFE FOR HOT WORK."

3.1.4.2 Fluid disposition. The Contractor shall stow all removed fluids in a suitable clean and secure stowage facility immediately after removal in accordance with all applicable Federal, state, and local regulations. Return all removed fluids to their respective tanks upon completion of work.

3.2 Plug log. The Contractor shall keep a written record of all plugs put in any tanks vents. A separate list shall be kept for each tank being entered.

3.2.1 Ensure that all plugs are removed from each tank upon completion of work in the tank.

3.2.2 The plug log shall be available to the Coast Guard inspector when the inspector is performing his close-out inspection on each tank.

3.3 Content removal. The Contractor shall remove access cover(s); remove and dispose of all fluids and/or residues in accordance with all applicable Federal, state, and local regulations. Plug all inlet and outlet piping in the tank to prevent contaminants from entering the tank. Use plugs with an attached lanyard, ring or other system that will ensure plugs are not lost in the pipe openings. Maintain a plug accountability log outside the tank(s) to prevent any of the installed temporary plugs from being lost inside the tank or forgotten inside at tank closure.

3.4 Cleaning. The Contractor shall clean the Azipod L/O tank interior surfaces free of all foreign materials, such as sediment, sludge and fungal growth. Remove all persistent residues, taking care not to damage the tank coating system. Remove cleaning media and residue continuously from the compartment during the washing process. Remove any residual wash media and wipe up residual moisture with clean lint-free cloths. Collect, contain, and dispose of all wash media, residues, and cleaning materials in accordance with all Federal, state, and local regulations. The Contractor shall refer to Coast Guard Drawing 240-WLBB 127-55, for guidance.

3.5 Inspection. Visually inspect the Azipod L/O tank. Submit a CFR including the following, as applicable:

• Tank structural condition.

• Inaccessible areas, if any.

• Condition of Azipod L/O tank coating, including measurements taken, percentage, location, and type of coating failure.

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

• Suction and discharge piping condition.

28 (Rev-0)

• Fastener material (stainless steel) and condition.

3.6 Closing. The Contractor shall ensure that the compartment(s) remain open for at least 24 hours after completion of any KO-authorized tank repairs and preservation. Notify the COR at least 24 hours prior to closing the compartment(s). After satisfactory inspection by the Coast Guard Inspector, and completion of all authorized repairs, close the manhole cover(s) with new gasket material conforming to ASTM D1330.

Use Coast Guard Drawing 240-WLBB 127-55 as guidance

3.6.1 The Contractor shall renew 100% of nuts and washers.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.7 Operational test – post repairs. After completion of work, the Contractor shall thoroughly test, in the presence of the Coast Guard Inspector and demonstrate the designated tank TLI’s to be in satisfactory operating condition. Submit a CFR.

3.8 Ultrasonic thickness (UT) measurement. The Contractor shall take a total of 50 UT shots and 20 pit measurements of the Azipod L/O tank in the location specified by the Coast Guard Inspector in accordance with SFLC Std Spec 0740, Appendix C. Use Coast Guard Drawing 240-WLBB 127-55 as guidance. Submit a CFR.

29 (Rev-0)

S_63410_General_0311_SWIT

S19_009_…