SPEC_REV_1_DTD_01_APR_2013.pdf

USCGC DAUNTLESS (WMEC 624)

SPECIFICATION FOR UNPLANNED DRYDOCK REPAIRS

FY2013

Developed By: Dana L Abdella

(Rev-1, 01 April 2013)

USCGC DAUNTLESS (WMEC-210B) UNPLANNED DRYDOCK AVAILABILITY FY2013

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: Hull Plating (U/W Body), Clean WORK ITEM 2: Hull Plating (U/W Body), Ultrasonic Testing WORK ITEM 3: Tanks (MP Fuel Stowage and Overflow), Clean and Inspect WORK ITEM 4: Fixed Ballast (Lead Ingot), Reinstall WORK ITEM 5: Propulsion Shafting, Strain Gage Alignment Inspections WORK ITEM 6: Hull and Structural Plating, Repair WORK ITEM 7: Drydocking WORK ITEM 8: Temporary Services, Provide WORK ITEM 9: Compartment(s) Interior, Lead Dust, Clean iii (Rev-1)

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

01 Apr 2013 1 4 Deleted requirement for containment box. Deleted paragraph

3.5 and all associated subparagraphs. Modified paragraphs 3.2, 3.3, 3.6, 3.7, 3.9.1 and 3.9.2.

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 time of specification writing and during contract execution.

All Coast Guard drawings, technical publications, and standard specifications will be provided to contractors by the Coast Guard at an appropriate time, or upon request, free of charge. Other Government documents may be accessed – free of charge – as follows:

• MIL/DOD/CID Specifications: http://www.assistdocs.com/search/search_basic.cfm

• Commandant Instruction Manuals: http://www.uscg.mil/directives/default.asp

• Public Laws, Code of Federal Regulations, U.S Codes, and other Federal Government laws::

www.gpoaccess.gov

The Government is aware of the following internet web links where contractors may procure commercial specifications:

• American Welding Society (AWS): http://www.awspubs.com/index.php

• ANSI, ASTM, IEEEE, NFPA, ASME, SAE Standards: http://www.techstreet.com/

• NFPA: http://www.nfpa.org

• SSPC Standards and pictorial guides: http://shopping.netsuite.com/sspcmarketplace

COAST GUARD DRAWINGS

Coast Guard Drawing 627 WMEC 085-232, Rev C; Docking Plan Coast Guard Drawing 627 WMEC 085-242, Rev B, Docking Plan, (DAUNTLESS) Coast Guard Drawing 627 WMEC 101-001, Rev-, Structural Details Coast Guard Drawing 627 WMEC 103-006, Rev-, Inboard Profile Coast Guard Drawing 627 WMEC 111-001, Rev A, Shell Expansion Framing & C.V.K.

Coast Guard Drawing 627 WMEC 117-001, Rev B, Transverse Web Frames Fwd & Aft of Midship Coast Guard Drawing 627 WMEC 122-001, Rev D, Transverse Bulkheads Fwd & Aft of Midship Coast Guard Drawing 627 WMEC 123-002, Rev C, New Double Bottoms Fuel Tank Structure Details Coast Guard Drawing 627 WMEC 123-003, Rev B, Lube Oil, Dirty Oil, and Diesel Oil Overflow Tanks

Structure Details Coast Guard Drawing 627 WMEC 123-009, Rev-, New Double Bottom Fuel Tank Structure Details Coast Guard Drawing 627 WMEC 131-001, Rev D, Second and Main Deck Plating and Supports Coast Guard Drawing 627 WMEC 133-001, Rev B, Third Deck Plating and Supports Coast Guard Drawing 627 WMEC 136-001, Rev G, 01, 02 and Bridge Deck Plating and Supports Coast Guard Drawing 627 WMEC 182-002, Rev F, Major Main. Avail. Foundation in Engine Room Coast Guard Drawing 627 WMEC 185-001, Rev B, A/C Machinery and Sewage Disposal Room

Equipment Foundations Coast Guard Drawing 627 WMEC 191-001, Rev G, MMA Solid Ballast Arrangement Coast Guard Drawing 627 WMEC 191-002, Rev -, Fixed Ballast Arrangement Coast Guard Drawing 627 WMEC 243-005, Rev-, Coupling (Muff) Thrust Ring & Key http://www.assistdocs.com/search/search_basic.cfm http://www.uscg.mil/directives/default.asp http://www.gpoaccess.gov/ http://www.awspubs.com/index.php http://www.techstreet.com/ http://www.nfpa.org/ http://shopping.netsuite.com/sspcmarketplace v (Rev-1)

Coast Guard Drawing 627 WMEC 243-006, Rev C, Line Shaft Coast Guard Drawing 627 WMEC 243-007, Rev B, Tail Shaft Coast Guard Drawing 627 WMEC 243-008, Rev J, Shaft Installation Coast Guard Drawing 627 WMEC 244-001, Rev B, Propulsion Shaft Alignment Coast Guard Drawing 627 WMEC 261-001, Rev C, Diagram – Fuel Oil Coast Guard Drawing 627 WMEC 261-002, Rev E, Arrangement of Fuel Oil System Coast Guard Drawing 627 WMEC 506-004, Rev B, Arrangement of Main & Auxiliary Sea Chest Vent Coast Guard Drawing 627 WMEC 512-009, Rev F, Arrangement Ventilation and Air Conditioning Third

Deck Coast Guard Drawing 627 WMEC 512-030, Rev -, Arrangement Ventilation and Air Conditioning Third

Deck Coast Guard Drawing 627 WMEC 514-002, Rev C, Arrangement of Chilled and Hot Water System

Inside Machinery Space Coast Guard Drawing 627 WMEC 514-006, Rev -, Arrangement of Chilled and Hot Water System IMS Coast Guard Drawing 627 WMEC 533-007, Rev C, Reverse Osmosis Desalinator Arrangement and

Details Coast Guard Drawing 627 WMEC 536-001, Rev C, Diagram Seawater Piping for Main Engines, Aux and

Emergency Generators and AC Condensers Coast Guard Drawing 627 WMEC 593-001, Rev B, Diagram MSD System Coast Guard Drawing 627 WMEC 593-002, Rev D, Arrangement MSD System Coast Guard Drawing 627 WMEC 593-005, Rev -, Arrangement MSD System Coast Guard Drawing 627 WMEC 601-001, Rev E, Outboard Profile Coast Guard Drawing 627 WMEC 601-002, Rev B, Inboard Profile Coast Guard Drawing 627 WMEC 601-003, Rev D, General Arrangement – 2nd and 3rd Decks Coast Guard Drawing 627 WMEC 601-004, Rev D, General Arrangement – Main and 01 Deck Coast Guard Drawing 627 WMEC 635-003, Rev B, Insulation and Sheathing in Machinery Spaces NAVSEA Drawing 803-1340709, Rev B, Installation of Floor Plating & Grating in Machinery Spaces

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Colors Manual Coast Guard Technical Publication (TP) 0701, Feb 2009, Manufacturer’s Instruction Book - SWBS 245 Coast Guard Technical Publication (TP) 3231A, Feb 2011, Manufacturer’s Instruction Book - SWBS

Group(s) 242-245 Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2012, General

Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2012, Welding and

Allied Processes Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2012, Requirements for Preservation of Ship Structures Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2012, Drydocking Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2012, Temporary

Services Surface Forces Logistics Center Standard Specification 8636 (SFLC Std Spec 8636), 2012, Temporary

Hull Accesses vi (Rev-1)

OTHER REFERENCES

ASTM International (ASTM) A36, 2008, Standard Specification for Carbon Structural Steel ASTM International (ASTM) D1330, 2010, Standard Specification for Rubber Sheet Gaskets ASTM International (ASTM) 6966, 2008, Standard Practice for Collection of Settled Dust Samples Using

Wipe Sampling Methods for Subsequent Determination of Metals ASTM International (ASTM) D4138, 2007, Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means Code of Federal Regulations (CFR) Title 29, Part 1910, Jul 2011, Occupational Safety and Health

Standards Code of Federal Regulations (CFR) Title 29, Part 1910, Subpart Z, 1910.1025, Jul 2011, Toxic and

Hazardous Substances-Lead Code of Federal Regulations (CFR) Title 33 CFR, Jul 2010, Navigation and Navigable Waters Code of Federal Regulations (CFR) Title 40, Chapter I, 2008, Environmental Protection Agency Code of Federal Regulations (CFR) Title 49, Chapter I, 2008, Pipeline and Hazardous Materials Safety

Administration, Department Of Transportation Federal Specification (Fed Spec) QQ-L-171, Mar 1988, Lead Pig Federal Specification (Fed Spec) QQ-N-281, Oct 1985, Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections MIL-A-24456, Jun 1979, Adhesive for Plastic Vibration-Damping Tile MIL-DTL-1222, Dec 2000, Studs, Bolts, Screws and Nuts for Applications Where a High Degree of

Reliability Is Required MIL-PRF-1149, Jun 1998, Gasket Materials, Synthetic Rubber, 50 and 65 Durometer Hardness NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), May 1997, Requirements for

Fabrication, Welding, and Inspection of Submarine Structure Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2007, Cork and

Rubber Composition Sheet; For Aromatic Fuel and Oil Resistant Gaskets The Society for Protective Coatings (SSPC), June 1996, Paint Application Specification No. 2 (PA-2), Measurement of Dry Coating Thickness with Magnetic Gages 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)

7 Y *Transducer Cover

Plate N/A 3 ea. 50.00

*Government-loaned property, which shall be returned to the vessel upon completion of the availability.

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

2 Hull Plating (U/W Body), Ultrasonic Testing

3 Tanks (MP Fuel Stowage and Overflow), Clean and Inspect

6 Hull and Structural Plating, Repair ix (Rev-1)

PC_210B_WMEC_0113

PRINCIPAL CHARACTERISTICS

210' WMEC (B-Class)

PHYSICAL CHARACTERISTICS

Length Overall 210' 6"

Length Between Perpendiculars 200' 0"

Beam Molded 34' 0"

Depth Molded, Main Deck Amidships 19' 6"

Full Load Displacement 1,156 long tons

Draft, Full Load to Baseline Amidships

*Baseline is 9” Below Keel Amidships 12' 0"

Design Drag Between Perpendiculars 1' 6"

Highest Projection Above Baseline

*VHF-FM ADF Antenna 90' 0"

Shore Tie Voltage Requirements 400A / 440V

Frame Spacing 1' 0"

MACHINERY CHARACTERISTICS

Main Propulsion 2 ALCO Model 16-251-B Diesel Engines, 5,000 BHP total

Ship's Service Generators

2 Caterpillar Model 3406B Diesel-driven SR4, 250 KW each @ 0.8 power factor, 440VAC, 3 phase, 60 cycle

Emergency Generator Caterpillar Model 3306B Diesel-driven SR4, x (Rev-1)

180 KW @ 0.8 power factor, 440VAC, 3 phase 60 cycle

Number of Propellers 2

Propeller Diameter 7' 6"

Number of Blades, Each 4

Pitch Controllable

Shaft RPM 300

Shaft Diameter 8.25" at exit of hull

Anchor & Chain Two 2,800 lb Navy Stockless Anchors, 7 shots of chain each

TANK CAPACITIES (GALLONS)

Diesel Fuel Total (95%) 48,427

Fresh Water Total (100%) 11,693

JP-5 Fuel Total (95%) 4,683

Lube Oil Total (95%) 2,390

1 (Rev-1)

00000_0213_FLT

REC_0000_FLT_ Commercial Project @ Contractor’ Facility (1212)

GENERAL REQUIREMENTS

1. SCOPE

1.1 Intent. This standard specification invokes general requirements for conducting ship repair availabilities for Coast Guard vessels.

2. REFERENCES

COAST GUARD DRAWINGS

None.

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3C, Change 1, Jun 2006, Coatings and

Color Manual Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2012, General

Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2012, Welding and

Allied Processes Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2012, Requirements for Preservation of Ship Structures

OTHER REFERENCES

NAVSEA Technical Publication T9074-AD-GIB-010/1688, (TP 1688), May 1997, Requirements for

Fabrication, Welding, and Inspection of Submarine Structure Code of Federal Regulations (CFR) Title 33 CFR, Jul 2010, Navigation and Navigable Waters Code of Federal Regulations (CFR) Title 40, Chapter I, 2008, Environmental Protection Agency Code of Federal Regulations (CFR) Title 49, Chapter I, 2008, Pipeline and Hazardous Materials Safety

Administration, Department Of Transportation

3. REQUIREMENTS

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

NOTE

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

2 (Rev-1)

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 four Coast Guard fire watch personnel. Coast Guard fire watch is in lieu of Contractor personnel, with the exception of areas of lead contamination (where Contractor shall provide fire watch).

• 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 11 (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 11 of COMDTINST M10360.3) are strictly prohibited.

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

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

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

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

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

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

4. NOTES

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

3 (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 mfgr.

CHECKPOINT 3 - AMBIENT CONDITIONS

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

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

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

CHECKPOINT 4 - PRE-SURFACE PREPARATION

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

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

CHECKPOINT 5 - SURFACE PREPARATION

Verify environmental conditions (see CHECKPOINT 3).

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

Verify surface anchor profile using ASTM D4417-Methods B or C against 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

4 (Rev-1)

QA-2 - QUALITY ASSURANCE INSPECTION FORM

(ENVIRONMENTAL READINGS)

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 |

5 (Rev-1)

QA-3a - QUALITY ASSURANCE INSPECTION FORM

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

Location of Work (Frame References) Area (sqft)

SURFACE PREPARATION METHOD

PROFILE ACHIEVED (mils) Min Max Mean

SSPC-SP-10/NACE No. 2 SSPC-SP-12/NACE No. 5

SSPC-SP-3

SSPC-SP-11

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

Abrasive Manufacturer and Sieve Size: _________________________________

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

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

Reading:__________ mils

Place Surface Profile Replica Tape Here

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

6 (Rev-1)

QA-3b - QUALITY ASSURANCE INSPECTION FORM

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

SURFACE PREPARATION METHOD

PROFILE ACHIEVED (mils) Min Max Mean

SSPC-SP-10/NACE No. 2 SSPC-SP-12/NACE No. 5

SSPC-SP-3

SSPC-SP-11

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

Abrasive Manufacturer and Sieve Size: _________________________________

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

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

Reading: _____ mils _____ mils _____ mils _____ mils _____ mils

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

_____ mils _____ mils _____ mils _____ mils _____ mils

7 (Rev-1)

QA-4 - QUALITY ASSURANCE INSPECTION FORM

(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)

SOLUBLE SALT CONDUCTIVITY MEASUREMENTS IAW SSPC-GUIDE 15

DATE TEST LOCATIONS CONDUCTIVITY

(microsiemens/cm)

8 (Rev-1)

QA-5 - QUALITY ASSURANCE DATA FORM

(COATING THICKNESS)

(Use one sheet for each sequence)

Coating Mfg Product Name Batch # Induction Time

Coating System Sequence (Primer/Touchup/3rd Coat, etc.)

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

SPOT 1 2 3 4 5 AVERAGE

VALUE

*BASE METAL

READING (BMR)

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

Location (Frame Reference): ___________________

SPOT 1 2 3 4 5

Overall Avg. DFT

ADJUSTMENTS

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

9 (Rev-1)

11000_UWHIB_PWB_0212_FLT

REC_11000_UWHIB_FLT_210B WMEC (ALL)

WORK ITEM 1: Hull Plating (U/W Body), Clean

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean the vessel’s U/W hull plating, including U/W appendages and coating system.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 627 WMEC 111-001, Rev A; Shell Expansion Framing & C.V.K.

Coast Guard Drawing 627 WMEC 85-232, Rev C; Docking Plan Coast Guard Drawing 627 WMEC 506-004, Rev B, Arrangement of Main & Auxiliary Sea Chest

Vent

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2012, Drydocking

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. The Contractor shall furnish and install suitable covering to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against

10 (Rev-1) contamination during the performance of work. Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces, contaminated due to improper protection, to original condition of cleanliness.

3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences).

3.2 Hull plating cleaning. The Contractor shall clean the hull after docking in accordance with the requirements of SFLC Std Spec 8634, paragraph 3.4.4, taking care not to damage the existing coating system.

3.2.1 The Contractor shall use suitable means to remove all hard and soft growth taking special care as to not damage existing paint and coating systems.

3.2.2 Special care should be taken while cleaning and inspecting propellers and shaft coating systems so as not to damage shaft coatings. Abrasive pads solely utilized for cleaning propellers shall be approved by the Coast Guard Inspector prior to beginning work.

4. NOTES

4.1 Ships Force responsibility. Ships Force will inspect the u/w body surfaces after it is cleaned.

4.2 U/W Body coating condition definitions. The below definitions are used to define u/w body preservation requirements, based on existing coating condition.

4.2.1 "Partial – Condition A”: The condition that exists where the substrate is exposed in up to 33% of the entire U/W body.

4.2.2 "Partial - Condition B": The condition that exists where the anticorrosive (AC) undercoating system has incurred damage, but, the u/w body hull substrate is not exposed in any location.

4.2.3 "Partial - Condition C”: The condition that exists where damage is confined to the antifoulant (AF) topcoating; the epoxy undercoating system is not exposed in any location.

4.2.4 "100%”: The condition that exists where more than 33% of the U/W body hull substrate is exposed.

11 (Rev-1)

11010_UT_0712_FLT

REC_11010_UT_FLT_210’ WMEC ‘B’ Class (ALL) (0911)

WORK ITEM 2: Hull Plating (U/W Body), Ultrasonic Testing

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to conduct ultrasonic testing (UT) of U/W hull plating.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 627 WMEC 085-232, Rev C; Docking Plan Coast Guard Drawing 627 WMEC 111-001, Rev A; Shell Expansion Framing & C.V.K.

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2012, Welding and Allied Processes

OTHER REFERENCES

None.

3. REQUIREMENTS

3.1 General.

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

• 3.2 (UT measurements).

3.1.2 Technical Representative.

Not applicable.

3.1.3 Protective measures.

Not applicable.

12 (Rev-1)

3.1.4 Interferences.

None.

3.2 UT measurements. The Contractor shall perform a total of 500 UT measurements of U/W hull surfaces, in locations designated by the Coast Guard Inspector, using Coast Guard Drawings 627 WMEC 085-232 and 627 WMEC 111-001 for guidance, in accordance with SFLC Std Spec 0740, Appendix C.

Mark up a copy of Coast Guard Drawing 627 WMEC 111-001 to show all locations selected for measurement and record all measurements in Table I (UT Measurements Summary Sheet - Port/Stbd Shell) provided at the end of this item. Submit a CIR, to also include the marked up drawing and completed Table I. As much as practicable, the Contractor shall use UT devices capable of taking a reading through existing coatings, to minimize coating repairs.

4. NOTES

4.1 UT Table. Table I provided below is for the recording of all UT measurements.

13 (Rev-1)

TABLE I - UT MEASUREMENTS SUMMARY SHEET PORT/STBD SHELL

SHOT # STRAKE # FWD/MID/AFT ORIG PL MEASURED PL PERCENT

PLATE # TOP/MID/BOT THICKNESS THICKNESS WASTAGE

14 (Rev-1)

12302_0313_FLT

REC 12311_FLT_210’ WMEC ‘B’ Class (ALL) (0112)

WORK ITEM 3: Tanks (MP 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)

Diesel Fuel Storage 4-96-4-F 6246 199

Diesel Fuel Storage 4-96-5-F 6246 199

Diesel Fuel Overflow 4-96-1-F 517 17

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 627 WMEC 123-002, Rev C, New Double Bottoms Fuel Tank Structure

Details Coast Guard Drawing 627 WMEC 123-003, Rev B, Lube Oil, Dirty Oil, and Diesel Oil Overflow

Tanks Structure Details Coast Guard Drawing 627 WMEC 261-001, Rev C, Diagram – Fuel Oil Coast Guard Drawing 627 WMEC 261-002, Rev E, Arrangement of Fuel Oil System

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2012, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2012, Welding and Allied Processes

OTHER REFERENCES

Federal Specification (Fed Spec) QQ-N-281, Oct 1985, Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections

15 (Rev-1)

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2007, Cork and Rubber Composition Sheet; For Aromatic Fuel And Oil Resistant Gaskets

3. REQUIREMENTS

3.1 General. The Contractor shall refer to the Coast Guard drawings referenced in Section 2 (References) for guidance in accomplishing this work item.

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

• 3.4.3 (Ultrasonic thickness (UT) measurement).

3.1.2 Technical representative.

Not applicable.

3.1.3 Protective measures. The Contractor shall furnish and install suitable covering to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces, contaminated due to improper protection, 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:

• Fuel

• Piping

• Tank access cover.

3.1.4.1 The Contractor shall remove up to a total of 12,000 gallons of diesel fuel. Document a complete chain of custody record of the removed tank contents from the vessel to the point of final destination or delivery. Submit document to the COR upon completion of work.

3.1.4.2 Stow all diesel fuel in suitable stowage facility, immediately after removal, and re-stow all tank contents, upon completion of work. Contractor shall ensure fuel quality is maintained throughout all stages of the process by taking samples during offload at deck connection and prior to onload from the lowest point of the storage vessel.

NOTE

Vessel may come in with less tank fluid contents than specified above.

3.1.5 Operational test - initial. Prior to commencement of work, the Contractor shall witness an operational pre-test (by Coast Guard personnel) of TLIs for tanks listed in paragraph 1.1 (Intent), to demonstrate existing operational condition. Submit a CFR.

NOTE

Initial and post repair operational tests apply only to tanks that possess TLIs.

16 (Rev-1)

3.2 Cleaning requirements. The Contractor shall remove tank cover(s) and clean tank interior surfaces free of all foreign materials, such as residual fuel or water, sediment, sludge, rust, or biological growth, taking care not to damage the coating system (if applicable). Remove cleaning media and residues continuously during the washing process. Remove any residual wash media; and wipe up residual moisture with clean lint-free cloths.

3.3 Tank content and waste disposal. The Contractor shall dispose of residual 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.

3.4 Inspection. The Contractor shall accomplish the following tasks:

3.4.1 Visual. Visually inspect all tank interior surfaces, including, but not limited to bulkheads, shell plating, deck and overhead plating, structural members, manhole cover surfaces, fasteners and gasket seating surfaces. Submit a CFR including the following, as applicable:

• Tank structural condition (Tank 4-96-5-F shows signs of buckling at Frame 108.).

• Inaccessible areas.

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

• Sounding/vent tube and striker plate condition.

3.4.2 Pits. Measure up to 20 “pits” within each tank as designated by the Coast Guard Inspector using a Contractor supplied ‘Pit Gauge’. Include pit measurement results in CFR specified above, showing where pit measurements were taken and the depth of the pit.

3.4.3 Ultrasonic thickness (UT) measurement. Take a total of 50 UT measurements of tank plating, in locations designated by the Coast Guard Inspector, in accordance with SFLC Std Spec 0740, Appendix C.

Submit a CIR.

3.5 Tank closing. The Contractor shall ensure that the tank(s) remain open for at least 24 hours after completion of any KO-authorized repair and preservation procedures. 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 AMS-C-6183.

Chase threads on studs to ensure even installation of the access covers.

3.6 Operational test – post repairs. After completion of work, the Contractor shall witness an operational test (by Coast Guard personnel) of all designated tank TLIs to prove satisfactory operating condition.

Submit a CFR.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

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.

17 (Rev-1)

4.2 Fasteners. Cutter will provide monel fasteners if any are damaged or missing.

18 (Rev-1)

S_19110_PWB_0812_SWIT

CASREP_19110_DLA_0313 _624

WORK ITEM 4: Fixed Ballast (Lead Ingot), Reinstall

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to remove and reinstall lead ingot (pig) ballast in the following location(s):

• Engine Room (Main Machinery Space, 4-108-0-E), vicinity of RO unit.

• MSD Space (A/C Machinery and Sewage Disposal Room, 4-84-0-Q), vicinity of A/C units.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 627 WMEC 111-001, Rev A, Shell Expansion Framing & C.V.K.

Coast Guard Drawing 627 WMEC 117-001, Rev B, Transverse Web Frames Fwd & Aft of

Midship Coast Guard Drawing 627 WMEC 182-002, Rev F, Major Main. Avail. Foundation in Engine

Room Coast Guard Drawing 627 WMEC 185-001, Rev B, A/C Machinery and Sewage Disposal Room

Equipment Foundations Coast Guard Drawing 627 WMEC 191-001, Rev G, MMA Solid Ballast Arrangement Coast Guard Drawing 627 WMEC 191-002, Rev -, Fixed Ballast Arrangement Coast Guard Drawing 627 WMEC 512-009, Rev F, Arrangement Ventilation and Air

Conditioning Third Deck Coast Guard Drawing 627 WMEC 512-030, Rev -, Arrangement Ventilation and Air

Conditioning Third Deck Coast Guard Drawing 627 WMEC 533-007, Rev C, Reverse Osmosis Desalinator Arrangement and Details Coast Guard Drawing 627 WMEC 593-001, Rev B, Diagram MSD System Coast Guard Drawing 627 WMEC 593-002, Rev D, Arrangement MSD System Coast Guard Drawing 627 WMEC 593-005, Rev -, Arrangement MSD System Coast Guard Drawing 627 WMEC 601-003, Rev D, General Arrangement – 2nd and 3rd Decks Coast Guard Drawing 627 WMEC 601-004, Rev D, General Arrangement – Main and 01 Deck

19 (Rev-1)

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2012, General Requirements Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2012, Requirements for Preservation of Ship Structures

OTHER REFERENCES

ASTM International (ASTM) D1330, 2010, Standard Specification for Rubber Sheet Gaskets Code of Federal Regulations (CFR) Title 29, Part 1910, Subpart Z, 1910.1025, 2011, Toxic and

Hazardous Substances-Lead Federal Specification (Fed Spec) QQ-L-171, Mar 1988, Lead Pig MIL-A-24456, Jun 1979, Adhesive for Plastic Vibration-Damping Tile MIL-PRF-1149, Jun 1998, Gasket Materials, Synthetic Rubber, 50 and 65 Durometer Hardness.

3. REQUIREMENTS

3.1 General. The Contractor shall refer to the Coast Guard drawings listed in Section 2 (References) for guidance in accomplishing this work item.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not applicable.

3.1.3 Protective measures. The Contractor shall furnish and install suitable covering to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces, contaminated due to improper protection, 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). Know interferences include, but are not limited to the following:

• Deck plates, including associated hardware.

WARNING!

1. Lead is a toxic and hazardous substance. When performing this work item, the Contractor shall adhere to the requirements in 29 CFR 1910.1025.

The Contractor shall provide respiratory protection and protective work clothing and equipment to Coast Guard personnel in the work area, as well as access to the hygiene facilities for employees who are exposed to lead.

2. All retained and new lead ingots shall be kept wet prior to handling to minimize generation of airborne lead oxide dust when the ingots are handled.

20 (Rev-1)

3. Minimize areas of potential contamination as much as possible. Ensure all contaminated areas are cleaned of all lead contaminants prior to CG personnel re-entry.

3.2 Removals. The Contractor shall remove and retain the existing lead ballast ingots in locations designated in paragraph 1.1 (Intent). Remove and dispose of existing rubber lining between longitudinal and transverse structural members in accordance with Federal, state, and local regulations. Renew rubber lining upon ballast reinstallation.

NOTE

It is not required that the retained ballast ingots be removed completely from the space or vessel. The Contractor shall adhere to the requirements in 29 CFR 1910.1025 both within the space and for any location outside the space where any retained or new ingots are staged.

3.3 Lead ingots. If a Change Request is released and approved by the KO, the Contractor shall replace any damaged lead ingots or any ingots not conforming to Fed Spec QQ-L-171 Grade B or Grade C lead ingots (pigs). Lead ingots (pigs) requiring replacement shall conform to Grade B or Grade C lead ingot in Fed Spec QQ-L-171. Existing undamaged ingots that meet Fed Spec QQ-L-171 (Grade B or Grade C) may be reused.

3.4 Ballast location. Upon completion of all authorized repairs, the Contractor shall accomplish the reinstallation of the lead ingot ballast in the Engine Room and MSD Space, using the Coast Guard Drawings listed in Section 2 (References) as guidance. (NOTE: Referenced CG Drawings do not show all existing installed lead ballast in these spaces. The Contractor is highly encouraged to conduct a site visit prior to bid.)

NOTE

Reinstallation of the lead ingot ballast should be done in the water, with the vessel as close to the full load condition as possible. The Contractor shall closely observe list and trim of the vessel during the moving/installation of the ballast. If list changes more than one half a degree from the full load condition with original ballast installation, moving/installation of the ballast should stop.

CAUTION!

Tank and liquid levels should not be changed during moving/installation of the ballast.

3.5 Ballast reinstallation. Prior to reinstallation, the Contractor shall clean the ingots free of adhering foreign matter. Clean all limber/drain holes in the transverse and longitudinal structure in way of the lead ballast installation to insure that water does not collect around the lead ballast. Reinstall all lead ballast in the original location from which removed.

3.6 Deck plate reinstallation. After completion of the ballast reinstallation, the Contractor shall reinstall the retained deck plating.

21 (Rev-1)

3.7 Touch-up preservation. The Contractor shall prepare and touch-up coat all new and disturbed surfaces to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, Appendix B (Cutter and Boat Interior Painting Systems).

3.8 Documentation. Upon completion of work, the Contractor shall accomplish the following:

3.8.1 Description. Submit a CFR documenting the following:

• Exact locations where the ballast ingots were installed, specifying the frames and longitudinals bounding the spaces

• Number of ingots and estimate total ingot weight installed in each location.

3.8.2 “Red-lined” drawing deliverable(s). The Contractor shall “red-line” the applicable Coast Guard Drawings listed in Section 2 (References) to clearly reflect the ingot ballast installation work completed by the Contractor in this work item.

3.8.2.1 Within 24 hours after completion of this work item, submit a draft copy of the marked-up drawing(s) to the COR for review and approval.

3.8.2.2 Within 10 calendar days after receiving Coast Guard comments or completion of the availability, whichever occurs first, incorporate all comments and deliver one set of the final red-lined drawing(s) to the COR.

4. NOTES

4.1 Approximate final full load condition of cutter. At full load with the fixed ballast ingots reinstalled, the cutter should exhibit the same approximate loading condition as on arrival. Cutter will note the following on arrival:

• Approximate draft at forward marks

• Approximate draft at aft marks

• Approximate trim

• Approximate list.

22 (Rev-1)

24300_0712_FLT

WORK ITEM 5: Propulsion Shafting, Strain Gage Alignment Inspections

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to perform strain gage alignment inspections prior to vessel dry-docking, during dry-docking, and after refloating.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 627 WMEC 243-005, Rev-, Coupling (Muff) Thrust Ring & Key Coast Guard Drawing 627 WMEC 243-006, Rev C, Line Shaft Coast Guard Drawing 627 WMEC 243-007, Rev B, Tail Shaft Coast Guard Drawing 627 WMEC 243-008, Rev J, Shaft Installation Coast Guard Drawing 627 WMEC 244-001, Rev B, Propulsion Shaft Alignment

COAST GUARD PUBLICATIONS

Coast Guard Technical Publication (TP) 0701, Feb 2009, Manufacturer’s Instruction Book -

SWBS 245

Coast Guard Technical Publication (TP) 3231A, Feb 2011, Manufacturer’s Instruction Book -

SWBS Group(s) 242-245 Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2012, General Requirements

OTHER REFERENCES

None.

3. REQUIREMENTS

3.1 General. The Contractor shall refer to the Coast Guard drawings and TPs listed in Section 2 (References) for guidance in accomplishing this work item.

3.1.1 CIR.

23 (Rev-1)

3.1.2 Technical Representative. The Contractor shall provide the services of a qualified Tech Rep, who is familiar with Bird-Johnson Controllable Pitch Propellers, John Crane/Wartsila MX9 Shaft Seal, and shafting to include the shaft alignment by strain gauge method, to provide proprietary techniques, assist with proper alignment, clearances, and repair methods associated with stern tube modification and propulsion shaft system removal and installation.

3.1.2.1 The Tech Rep must have a résumé of demonstrated experience with Bird-Johnson Controllable Pitch Propellers and John Crane/Wartsila MX9 shaft seals to conduct strain gauge alignment and any KO-authorized shaft seal adjustments as described above; and they must be able to provide a list of references upon request of the COR and/or Contracting Officer.

3.1.2.2 Submit the name of the Tech Rep to the COR at the Arrival Conference.

3.1.3 Protective measures. The Contractor shall ensure that shaft seals, emergency shaft seals, couplings, shaft coating, all bearings, reduction gears, and clutches are safe guarded throughout the scope of work.

3.1.4 Interferences. The Contractor shall be aware that interferences in way of work include, but are not limited to the below-listed. Handle all interferences in accordance with SFLC Std Spec 0000, paragraph

3.3.5 (Interferences):

• Mechanical shaft seal (John Crane/Wartsila MX9)

• Shaft coating

• Clutches

• Reduction Gear propulsion shaft guards

• Shaft couplings.

3.1.5 Inspection particulars. The Contractor shall perform strain gage alignment inspections on the propulsion shafting before drydocking, in drydock before commencement of hot work and/or structural modifications, in drydock after completion of hot work and/or structural modifications, and after vessel refloating.

3.2 Alignment preparation. The Contractor shall ensure the following conditions are met for the alignment check before drydocking and after refloating:

• All shaft components are installed and torqued to manufacturer’s specifications.

• The vessel is in the water for at least 24 hours before alignment inspection.

• All permanent ballast is in place.

• Fuel, water, and temporary ballast tanks are filled to normal operating levels.

NOTE

It is highly recommended that the Cutter get the pre-dock strain gauge reading done in advance instead of shortly prior to the dry-docking.

• All major machinery weighing over 500 pounds is either installed or simulated by equivalent weights appropriately located.

• The shafts must be free to rotate and the stern tube face seal shall not be any tighter than necessary.

3.3 Alignment by strain gage method. The Contractor shall furnish all necessary equipment and install sufficient strain gages, measure strains, and calculate vertical and horizontal reactions using the strain

24 (Rev-1) gage measurement method. Install strain gages internally and externally to measure all the bearing reactions except that the external gages are not required in pre-docking inspection. All strain gages shall remain at the same locations throughout all required inspections. Perform the strain gage measurements under the direct supervision of the technical representative and Contractor personnel experienced in and regularly engaged in shaft alignment by the strain gage method.

3.3.1 Pre-drydock inspection. Submit a written report of results with the following information to the COR within 48 hours after alignment check:

• All inboard bearing reactions, bearing offsets, bearing influence numbers, allowable bearing load, bearing clearances, etc.

• A description of the alignment procedures used to obtain the bearing loads.

• Strain gage locations.

• Bearing locations and reactions in shaft modeling.

• Detail dimensions and configuration of the shaft model.

• All mathematics values used in the shaft model such as material properties, spring constant, thermal growth effects, bearing offsets, all concentrated weights, etc.

• All assumptions applied in the shaft model.

• All constant values used in the shaft model.

• Any indication of misalignment.

• Bearing reactions at the calculated optimum shaft alignment condition.

• Any recommended corrective procedures. The recommended corrective procedures shall include, but not limited to:

o New bearing off-sets to achieve an optimum shaft alignment.

o New bearing off-sets to achieve a satisfactory (acceptable) shaft alignment.

o Other alternative to achieve an optimum shaft alignment.

• Detailed procedures to achieve satisfactory alignment.

• Condition of MX9 shaft seals, as visually accessible.

3.3.2 Dry-docking inspection. After dry-docking the vessel and before performing any hot work and/or structural modifications, conduct a strain gage alignment inspection to determine all bearing reactions (five…