1.1 WYACONDA Statement of Work 75403_DD_MWC_09R0 1 .pdf

USCGC WYACONDA (WLR-75403)

75 FOOT C CLASS RIVER BUOY TENDER

SPECIFICATION FOR DRYDOCK REPAIRS

Developed By:

Mike Check

Commander (v) Maintenance and Logistics Command, Atlantic 300 E. Main Street, Suite (600) Norfolk, VA 23510-9102

(March 26, 2009 / Rev-0)

USCGC WYACONDA (WLR-75403) DRYDOCK AVAILABILITY 2009

TABLE OF CONTENTS

Work Item Title Page

List of Sketches iv

Revisions Record v

List of Applicable References vi

List of Government-furnished Property xi

List of Critical Inspection Items xii

Specification Feedback xiii

Principle Characteristics xiv

General Requirements 1

1 Perform Ultrasonic Thickness Measurements - Underwater Hull Plating (Barge) 8

2 Perform Ultrasonic Thickness Measurements - Underwater Hull Plating (Tender) 10

3 Perform Hull and Structural Plating Repairs (10.2- Pound) 12

4 Perform Hull and Structural Plating Repairs (12.75- Pound) 13

5 Perform Hull and Structural Steel Plate Repairs (15.3-Pound) 14

6 Perform Hull and Structural Plating Repairs – Eroded Welds (Steel) 15

7 Perform Hull and Structural Plating Repairs – Crack (Steel) 16

8 Perform Hull and Structural Plating Repairs – Overlay Welding (Steel) 17

9 Remove, Inspect, and Reinstall Propeller Shafts 18

Page i (Rev-0)

10 Remove, Inspect, and Reinstall Intermediate Shafts 22

11 Straighten Shaft 25

12 Renew Water-Lubricated Shaft Bearings 28

13 Renew Propeller Shaft Sleeves 31

14 Renew Shaft Strut Barrel 34

15 Remove, Inspect, and Reinstall Propellers 36

16 Perform Minor Repairs and Reconditioning of Port Propeller 41

17 Clean, Inspect, and Test Grid Coolers (Barge) 45

18 Clean, Inspect, and Test Grid Coolers (Tender) 50

19 Overhaul Simplex Sea Strainer (Barge) 54

20 Overhaul Duplex Sea Strainer (Tender) 57

21 Remove, Inspect and Reinstall Steering and Backing Rudder Assemblies 61

22 Rebuild Rudder Stock and Rudder 64

23 Renew Rudder Lower Bearing Trunk 66

24 Preserve Spud and Spud Well Surfaces and Renew Spud Well Liners (Barge) 68

25 Preserve Spud and Spud Well Surfaces and Renew Spud Well Liners (Tender) 72

26 Preserve Underwater Body (Barge) - 100%" 76

27 Preserve Underwater Body (Barge) - "Partial" 78

28 Preserve Underwater Body (Tender) - "100%" 81

29 Preserve Underwater Body (Tender) - "Partial" 84

30 Preserve Tender Freeboard – 100% 87

31 Routine Drydocking (Barge) 90

32 Routine Drydocking (Tender) 94

Page ii (Rev-0)

33 Provide Temporary Logistics 98

34 Clean and Inspect Various Electrical Panels 101

35 Install New Deck Covering System in Crew’s Berthing 104

36 Install Additional Spud System on Barge 106

37 Renew Hull Plating in Sewage Hold Compartment 112

Page iii (Rev-0)

List of Sketches

Work Item Sketch Number Page

This section is not applicable to this package.

Page iv (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.

Page v (Rev-0)

List of Applicable 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. Electronic copies of the latest Editions of MLCA Standard Specifications are available on the Internet and may be accessed at the following Internet Uniform Resource Locator (URL) address:

http://www.uscg.mil/mlclant/vdiv/standard_specifications.asp.

Guidance for obtaining copies of all other documents referenced herein is provided in the solicitation.

Order of precedence. In the event of conflicts between text of this specification and the applicable references specified herein, order of precedence shall be in accordance with MLCA Standard Specification 0000_STD, paragraph 3.2 (Order of precedence), unless otherwise specified by the Contracting Officer (KO). The Contractor shall immediately notify the KO in writing of any perceived conflicts contained herein. Nothing in these documents, however, supersedes applicable laws and regulations, unless a specific exemption has been obtained.

FEDERAL AND MILITARY SPECIFICATIONS AND STANDARDS

MIL-PRF-16173, Sep 2006, Corrosive Preventive Compound, Solvent Cutback, Cold Application

MIL-PRF-18458, May 2003, Grease, Wire Rope-Exposed Gear

MIL-PRF-24647, Feb 2005, Paint System, Anticorrosive and Antifouling, Ship Hull

MIL-PRF-83483, Feb 1998, Thread Compound, Antiseize, Molybdenum Disulfide Petrolatum

MIL-STD-167-1, Nov 2005, Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internally Excited)

MIL-STD-2191, Nov 1992, Repair Welding, Weld Cladding, Straightening, and Cold Rolling of Main Propulsion Shafting

Commercial Item Description (CID) A-A-52624, Sep 2001, Antifreeze, Multi Engine Type, Ethylene Glycol (For Caterpillar equipment applications, use CAT Extended Life Pre-Mix coolant.)

Page vi (Rev-0) http://www.uscg.mil/mlclant/vdiv/standard_specifications.asp

OTHER GOVERNMENT DOCUMENTS, DRAWINGS, AND PUBLICATIONS

DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0000_STD, 2006 Edition, General Requirements

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 6341_STD, 2004 Edition, Renew Deck Covering Systems

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 8634_STD, 2004 Edition, Drydocking

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 8635_STD, 2004 Edition, Provide Temporary Logistics

DRAWINGS

Coast Guard Drawing 130 CGB67 123-003, Rev -, Spud Arrangement Mods

Coast Guard Drawing 130 CGB67 551-001, Rev 5, Compressed Air Piping Mods Incidental to Aft Spud Installation

Coast Guard Drawing 130 CGB67 611-001, Rev 6, Deck Fittings, Spray Shields, and Handrail Details

Coast Guard Drawing 130 CGB69 085-001, Rev 1, General Arrangement and Profile

Coast Guard Drawing 130 CGB69 085-004, Rev 1, Docking Plan

Coast Guard Drawing 130 CGB69 111-001, Rev 3, Hull Details, Bottom & Main Deck Plating and Framing Details

Coast Guard Drawing 130 CGB69 111-002, Rev 9, Hull Details, Side Shell Plating and Framing Sections and Details

Coast Guard Drawing 130 CGB69 123-001, Rev 2, Spud Well Bhds & Spud Details

Page vii (Rev-0)

Coast Guard Drawing 130 CGB69 301-002, Rev -, Barge Electrical Power and Lighting One Line Diagram

Coast Guard Drawing 130 CGB69 301-003, Rev 1, Arrangement Lighting 120V Power

Coast Guard Drawing 130 CGB69 521-001, Rev 4, Fire Water, Ballast, and Jetting Piping Schematic

Coast Guard Drawing 130 CGB69 530-002, Rev 3, Cooling Water Piping Schematic

Coast Guard Drawing 75C WAGL 0700-025, Rev -, 75 Foot “C” Class Towboat Docking Block Arrangement

Coast Guard Drawing 75C WAGL 1101-001, Rev -, Deck Plating Plan and Shell Expansion (75402-05)

Coast Guard Drawing 75C WAGL 1103-025, Rev -, Hull Framing Plan (75401-05)

Coast Guard Drawing 75C WAGL 1103-030, Rev -, Transverse Frames 7 through 14 (75401-05)

Coast Guard Drawing 75C WAGL 2200-022, Rev -, Steering Rudder Trunk Details (75402-05)

Coast Guard Drawing 75C WAGL 2200-023, Rev 1, Backing Rudder Trunk Details (75402-05)

Coast Guard Drawing 75C WAGL 2200-024, Rev 1, Rudder Details (75402-05)

Coast Guard Drawing 75C WAGL 2602-021, Rev 1, Spud Derrick and Spud (75402-04)

Coast Guard Drawing 75C WAGL 2602-024, Rev 1, Towing Knees and Spudwell (75402-04)

Coast Guard Drawing 75C WAGL 4103-022, Rev -, Engine Cooling Water Piping Diagram (75402-75405)

Coast Guard Drawing 75C WAGL 4103-023, Rev 2, Engine Cooling Water Piping Arrangement (75402-75405)

Coast Guard Drawing 75C WAGL 4301-022, Rev -, Stern Strut, Shaft Log, Stern Tube and Bulkhead Stuffing Box (75402-05)

Page viii (Rev-0)

Coast Guard Drawing 75C WAGL 4301-023, Rev 1, Prop Shaft Details (75402-05)

Coast Guard Drawing 75C WAGL 4301-024, Rev -, Prop Shaft Couplings (75402-05)

Coast Guard Drawing 75C WAGL 4301-025, Rev -, Shaft Brake & Steady Rest Bearing Support for Prop Shafting (75402-05)

Coast Guard Drawing 75C WAGL 4301-026, Rev -, Prop Shft Layout & Rud Arrgt (75405)

Coast Guard Drawing 75C WAGL 4803-021, Rev -, Fire Piping Diagram (75402-75405)

Coast Guard Drawing 75C WAGL 6201-001, Rev 8, Power Wiring Schematic

Coast Guard Drawing 75C WAGL 6201-024, Rev A, Towboat Main Distribution Panel

Coast Guard Drawing 75C WAGL 6202-021, Rev 2, Isometric of 220V System

Coast Guard Drawing 75C WAGL 6401-021, Rev 1, Lighting Wiring Schematic

Coast Guard Drawing 75C WAGL 6401-022, Rev 2, Isometric of 115V Power and Light Feeders

Coast Guard Drawing 75C WAGL 6713-021, Rev 1, Transducer Well (75401-05)

Coast Guard Fleet Drawing FL 2602-10, Rev E, Spud Arrangements and Details

NAVSEA Drawing 803-2145807, Rev C, Propulsion Shafting and Components

PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Jun 2006, Coatings and Color Manual

Fernstrum Gridcooler Installation and Maintenance Manual, 2006, Form 165

Page ix (Rev-0)

INDUSTRY STANDARDS

American Bureau of Shipping (ABS) 2, Rule Requirements for Survey After Construction, 2007, Part 7, Appendix Section 10, Guide for Bronze and Stainless Steel Propeller Castings

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) G6032, 1999, Grease, Plug Valve, Gasoline and Oil Resistant, NATO Code Number G-363, Metric

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2004, Solvent Cleaning

The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation Standard SSPC-SP 7/NACE No.4, 2004, Brush-Off Blast Cleaning

The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation Standard SSPC-SP 12/NACE No.5, 2004, Surface Preparation and Cleaning of Steel & Other Hard Materials by High and Ultrahigh Pressure Water Jetting

The Society for Protective Coatings (SSPC)/NACE International (NACE) 2004, Joint Surface Preparation Standard SSPC-SP 10/NACE No.2, Near-White Blast Cleaning

International Standard For Organization (ISO) 484/2, 1981, Shipbuilding - Ship Screw Propeller - Manufacturing Tolerances - Part 2: Propellers of Diameter Between 0.80 and 2.50 m, Inclusive

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

ASTM International (ASTM) D3951, Reapproved 2004, Standard Practice for Commercial Packaging

ASTM International (ASTM) E797, 2005, Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

Page x (Rev-0)

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)

15 Y Stbd Propeller NSN: 2010-01-501-5504 1 ea. 5,600.00 17 N Engine Coolant N/A 40 gal. 400.00 18 N Engine Coolant N/A 260 gal. 2,964.00

19 N **4 inch Simplex Strainer N/A 1 ea. 1,500.00

20 N **2 1/2 inch Duplex Strainer N/A 1 ea. 1,000.00

31 Y *Transducer cover plate N/A 2 ea. 50.00

32 Y *Transducer cover plate N/A 1 ea. 50.00

N 12” x 12” x 35’ Spud N/A 2 ea. 2,000.00

N Ingersoll Rand

Air Winch N/A 2 ea. 3,500.00

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

**New or refurbished equipment that the Government may provide for installation in place of existing equipment.

***Government-furnished property, which is to be supplied by either the vessel, Electronic Systems Support Unit (ESU) or local Electronic Support Detachment (ESD).

Page xi (Rev-0)

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 Std Spec 0000_STD, paragraph 3.6.2 (Inspection report particulars)):

Work Item Title

1 Perform Ultrasonic Thickness Measurements - Underwater Hull Plating (Barge)

2 Perform Ultrasonic Thickness Measurements - Underwater Hull Plating (Tender)

9 Remove, Inspect, and Reinstall Propeller Shafts

10 Remove, Inspect, and Reinstall Intermediate Shafts

17 Clean, Inspect, and Test Grid Coolers (Barge)

18 Clean, Inspect, and Test Grid Coolers (Tender)

21 Remove, Inspect and Reinstall Steering and Backing Rudder Assemblies

24 Preserve Spud and Spud Well Surfaces and Renew Spud Well Liners (Barge)

25 Preserve Spud and Spud Well Surfaces and Renew Spud Well Liners (Tender)

Page xii (Rev-0)

Specification Feedback

The intent of this section is to inform all users that a spec feedback mechanism is in place, and is located on the MLCA Naval Engineering Division’s website. Spec feedback is a very important part of our overall continuous improvement process, and is crucial to specification development. It will allow spec writers to capture all specification-related lessons learned, and avoid mistakes or ambiguities in follow-on availabilities.

All feedback will be reviewed, evaluated, and responded to in a timely manner.

If you have access to the CGWeb (Intranet), please use the following link, which will connect you to the MLCA(v) Naval Engineering website, for submitting your feedbacks:

http://webapps.mlca.uscg.mil/vdiv/specifications/feedback/defaul t.cfm

If you do not have access to the CGWeb (Intranet), you may still submit your feedbacks, using the following web link:

http://www.uscg.mil/mlclant/vdiv/specfeedback.asp

Page xiii (Rev-0) http://webapps.mlca.uscg.mil/vdiv/specifications/feedback/default.cfm http://webapps.mlca.uscg.mil/vdiv/specifications/feedback/default.cfm http://www.uscg.mil/mlclant/vdiv/specfeedback.asp

PC_75C_WLR_Wyaconda_Barge (26 Oct 2005)

75C WLR

Principle Characteristics

75' WLR (C Class) "Wyaconda" Small Buoy River Tender

Length Overall 75' 5-1/2"

Depth (main deck at side to baseline) 7' 8-1/2"

Maximum Beam 22' 5"

Frame Spacing 1' 6"

Full Load Draft 4' 2"

Full Load Displacement 150 long tons

Shore Tie Voltage Requirements 230VAC, 200A, 3 Phase

PROPELLERS / SHAFT

Number of Propellers 2

Number of Blades per Propeller 4

Diameter of Propeller 48"

Pitch 47" fixed

Revolutions per Minute (RPM) 410

Shaft Diameter Intermediate: 4-1/4”

Tail: 4-1/2”

CG BARGE

Length Overall (LOA) 130' 0"

Depth (main deck at side to baseline) 7' 6"

Maximum Beam 30' 0"

Frame Spacing 15" 30"

Full Load Draft 5' 0"

Full Load Displacement 250 long tons

Page xiv (Rev-0)

00000_DLA_FLT (23 Oct 2008)

General Requirements

1. SCOPE

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

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0000_STD, 2006 Edition, General Requirements

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Jun 2006, Coatings and Color Manual

3. REQUIREMENTS

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

NOTICE!

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

3.2 Contractor-provided fire watch personnel. The Contractor

shall provide fire watch personnel and equipment.

3.3 Welding and brazing requirements. The Contractor shall

perform all welding and allied processes, and nondestructive inspection (NDI), in accordance with Std Spec 0740_STD.

Page 1 (Rev-0)

3.4 Term substitution - COTR for COR. The Contractor shall be aware that the term "COR" (Contracting Officer's Representative) has been discontinued in favor of "COTR" (Contracting Officer's Technical Representative); consequently, whenever "COR" is encountered in this specification package, including referenced standard specifications and other referenced documents, it shall refer to "COTR", explicitly.

4. NOTES

4.1 Access to COMDTINST M10360.3. The COMDTINST M10360.3 may

be accessed at the following URL address:

http://www.uscg.mil/directives/cim.asp

4.2 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in Std Spec 0000_STD to be completed and submitted during preservation of "critical-coated surfaces", are provided at the end of this item.

Page 2 (Rev-0) http://www.uscg.mil/directives/cim.asp

QA-1: QUALITY ASSURANCE INSPECTION FORM - PRESERVATION CHECKLIST

CHECKPOINT 1 - COATING SYSTEM COMPLIANCE

Ensure all coatings are in compliance with COMDTINST M10360.3, Appendix C.

CHECKPOINT 2 - PAINT STORAGE

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

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 manufacturer(s).

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.

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 (1.5-3.5 mils for abrasive-blasted steel surfaces; 1.0 mil (minimum) for power-tool cleaned surfaces; 1.0-1.5 mils for abrasive-blasted aluminum surfaces); and 1.5 -2.5 for surfaces to be coated w/single coat of inorganic zinc).

Measure soluble salt conductivity (5 measurements per 1000 sqft) - maximum threshold: 70 microsiemens/cm for non-submerged surfaces and 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 at random, to prevent under or over application.

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.

Verify system cure for service resumption - U/W Body surfaces: 5-8 hours @ 77 degrees F; Potable water tanks: 7 days @

77 degrees F.

Ensure potable water tank exhaust ventilation is maintained continuously from and during coating application through final system cure (minimum 7 days @ 77 degrees F.), to exhaust all solvent to the atmosphere and to prevent solvent entrapment.

CHECKPOINT 10 - RECORD KEEPING

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

Signature of Inspector:______________________________________________________Date:____________

Page 3 (Rev-0)

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

ENTER ACTIVITY

(Surface preparation, primer coat, barrier coat, top coat, etc?)

LOCATION DEW

POINT

SURFACE

TEMP.

% REL.

HUMIDITY

SIGNATURE

OF

INSPECTOR

.Signature of Inspector:__________________________________________________Date:____________

Page 4 (Rev-0)

QA-3: QUALITY ASSURANCE INSPECTION FORM

SURFACE PROFILE LOG

Vessel Name And Hull Number:__________________________________________________

Work Item Title:_______________________________________________________________

Location Of Work (Including Frame Numbers):_____________________________________

Area (Square Feet):_____________

Surface Preparation Method:_____________________________________________________

Abrasive Manufacturer And Size:_________________________________________________

Degreasing Method Used:________________________________________________________

Number Of Hours Surfaces (Steel Only) Left Unpainted:______________________________

Sweep blasting performed to remove flash rusting (steel)? Yes/No:_____________________

Place Surface Profile Replica Tapes In The Spaces Provided Below, To Serve As Permanent QA record.

Maintain separate log for each area/location. When an Area Is Divided Into Separate Sections, Maintain A Separate Log for Each Section.

AVERAGE MILS

(IAW ASTM D4417,

METHOD C)

Place Surface Profile Replica Tape Here

Reading:__________ mils

Date and Time:__________________________________________________

Location of Surface Profile Measurements:___________________________________________________________

Signature of Inspector:____________________________________________________________________________

Page 5 (Rev-0)

QA-4: QUALITY ASSURANCE INSPECTION FORM

SURFACE SOLUBLE SALT CONDUCTIVITY LOG

Vessel Name and Hull Number:__________________________________________________

Work Item Title:_______________________________________________________________

Location of Work (including frame numbers):_______________________________________

Area (square feet):____________

DATE TEST LOCATIONS CONDUCTIVITY

(microsiemens/cm)

Date and Time:_________________________________________

Signature of Inspector:___________________________________

Page 6 (Rev-0)

QA-5: QUALITY ASSURANCE DATA FORM

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

(Use one sheet for each sequence)

Vessel Name and Hull Number:__________________________________________________

Work Item Title:______________________________________________________________

Coating Manufacturer:_________________________________________________________

Product Name:________________________________________________________________

Batch Number:________________________________________________________________

Induction Time:_______________________________________________________________

Coating System Sequence (Indicate whether: primer, touch-up primer, barrier coat, 3rd coat?):__________________

DFT

MEASUREMENT

NUMBER

LOCATION OF READINGS MEASURED DFT

Application Method (Airless, Conventional Spray, Rolled):____________________

Average DFT: __________________________________________________________

Date and Time: _________________________________________________________

Signature of Inspector: ___________________________________

Page 7 (Rev-0)

11003_UT.UWB_TEF_FLT (03 Dec 2008)

WORK ITEM 1: Perform Ultrasonic Thickness Measurements - Underwater Hull Plating (Barge)

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to perform thickness measurements of underwater hull plating, by ultrasonic methods.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

ASTM International (ASTM) E797, 2005, Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

3. REQUIREMENTS

3.1 General.

3.1.1 Critical Inspection Report. The Contractor shall submit a critical inspection report (CIR) for the inspections listed in the following paragraph(s), within 24 hours after inspection completion:

• 3.2 (Thickness measurement particulars).

3.1.2 Related work items. The Contractor shall accomplish this work item in conjunction with the following, which are separate work items in this specification package:

• “Routine Drydocking (Barge)”.

• “Preserve Underwater Body (Barge)”.

Page 8 (Rev-0)

3.2 Thickness measurement particulars. The Contractor shall

perform a total of 200 ultrasonic thickness measurements of the hull plating, in locations designated by the Coast Guard Inspector. Submit a CIR. Ensure that the ultrasonic apparatus, procedure requirements, and report shall be in accordance with ASTM E797, and the report results shall additionally include the following, for each test point:

• Location.

• Original metal thickness.

• Measured metal thickness.

• Percent deterioration (calculation is based on the original metal thickness).

3.3 Apparatus Standardization. The Contractor shall perform

ultrasonic equipment standardization in accordance with ASTM E797, Section 7 (Standardization of Apparatus) and Section 8 (Technical Hazards).

4. NOTES

This section is not applicable to this work item.

Page 9 (Rev-0)

11003_UT.UWB_TEF_FLT (03 Dec 2008)

WORK ITEM 2: Perform Ultrasonic Thickness Measurements - Underwater Hull Plating (Tender)

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to perform thickness measurements of underwater hull plating, by ultrasonic methods.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

ASTM International (ASTM) E797, 2005, Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

3. REQUIREMENTS

3.1 General.

3.1.1 Critical Inspection Report. The Contractor shall submit a critical inspection report (CIR) for the inspections listed in the following paragraph(s), within 24 hours after inspection completion:

• 3.2 (Thickness measurement particulars).

3.1.2 Related work items. The Contractor shall accomplish this work item in conjunction with the following, which are separate work items in this specification package:

• “Routine Drydocking (Tender)”.

• “Preserve Underwater Body (Tender)”.

• “Renew Hull Plating in Sewage Hold Compartment”.

Page 10 (Rev-0)

3.2 Thickness measurement particulars. The Contractor shall

perform a total of 200 ultrasonic thickness measurements of the hull plating, in locations designated by the Coast Guard Inspector. Submit a CIR. Ensure that the ultrasonic apparatus, procedure requirements, and report shall be in accordance with ASTM E797, and the report results shall additionally include the following, for each test point:

• Location.

• Original metal thickness.

• Measured metal thickness.

• Percent deterioration (calculation is based on the original metal thickness).

3.3 Apparatus Standardization. The Contractor shall perform

ultrasonic equipment standardization in accordance with ASTM E797, Section 7 (Standardization of Apparatus) and Section 8 (Technical Hazards).

Page 11 (Rev-0)

11100_TEF_10.2LB_Steel Plating (30 Oct 2008)

WORK ITEM 3: Perform Hull and Structural Plating Repairs (10.2- Pound)

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew 1/4” thick (10.2-lb/sqft) steel structural plating.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

3. REQUIREMENTS

3.1 General. The Contractor shall perform all welding and

nondestructive inspection (NDI) in accordance with Std Spec 0740_STD. Be aware that this work item includes all welding related activities only and does not include interference removal.

3.2 Renewal. If a Change Request has been authorized and

released by the KO, the Contractor shall renew 1/4” thick (10.2-lb/sqft) steel structural plating, as designated by the Coast Guard Inspector, up to 100 square feet in increments of 4 square feet.

Page 12 (Rev-0)

11100_TEF_12.75LB_Plating (30 Oct 2008)

WORK ITEM 4: Perform Hull and Structural Plating Repairs (12.75- Pound)

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew 5/16” thick (12.75-lb/sqft) steel plating.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

3. REQUIREMENTS

3.1 General. The Contractor shall perform all welding and

nondestructive inspection (NDI) in accordance with Std Spec 0740_STD. Be aware that this work item includes all welding related activities only and does not include interference removal.

3.2 Renewal. If a Change Request has been authorized and

released by the KO, the Contractor shall renew 5/16” thick (12.75-lb/sqft) steel plating, as designated by the Coast Guard Inspector, up to 100 square feet in increments of 4 square feet.

Page 13 (Rev-0)

11100_TEF_15.3LB_Plating (30 Oct 2008)

WORK ITEM 5: Perform Hull and Structural Steel Plate Repairs (15.3- Pound)

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew 3/8” thick (15.3-lb/sqft) steel plating.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

3. REQUIREMENTS

3.1 General. The Contractor shall perform all welding and

nondestructive inspection (NDI) in accordance with Std Spec 0740_STD. Be aware that this work item includes all welding related activities only and does not include interference removal.

3.2 Renewal. If a Change Request has been authorized and

released by the KO, the Contractor shall renew 3/8” thick (15.3-lb/sqft) steel plating, as designated by the Coast Guard Inspector, up to 100 square feet in increments of 4 square feet.

Page 14 (Rev-0)

11100_TEF_ERODED_STL_WELD (30 Oct 2008)

WORK ITEM 6: Perform Hull and Structural Plating Repairs – Eroded Welds (Steel)

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew eroded steel welds.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

3. REQUIREMENTS

3.1 General. The Contractor shall perform all welding and

nondestructive inspection (NDI) in accordance with Std Spec 0740_STD. Be aware that this work item includes all welding related activities only and does not include interference removal.

3.2 Renewal. If a Change Request has been authorized and

released by the KO, the Contractor shall renew the designated eroded steel welds, up to 50 linear feet in increments of one linear foot.

Page 15 (Rev-0)

11100_TEF_STL_CRACK (30 Oct 2008)

WORK ITEM 7: Perform Hull and Structural Plating Repairs – Crack (Steel)

1. SCOPE

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

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

3. REQUIREMENTS

3.1 General. The Contractor shall perform all welding and

nondestructive inspection (NDI) in accordance with Std Spec 0740_STD. Be aware that this work item includes all welding related activities only and does not include interference removal.

3.2 Repair particulars. If a Change Request has been

authorized and released by the KO, the Contractor shall repair the designated cracked steel welds, up to 50 linear feet in increments of one linear foot.

Page 16 (Rev-0)

11100_TEF_OVERLAY_STL (30 Oct 2008)

WORK ITEM 8: Perform Hull and Structural Plating Repairs – Overlay Welding (Steel)

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to perform overlay welding repairs.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

3. REQUIREMENTS

3.1 General. The Contractor shall perform all welding and

nondestructive inspection (NDI) in accordance with Std Spec 0740_STD. Be aware that this work item includes all welding related activities only and does not include interference removal.

3.2 Repair particulars. If a Change Request has been

authorized and released by the KO, the Contractor shall perform steel overlay welding repairs, up to 48 square inches in increments of 8 square inches.

Page 17 (Rev-0)

24310_MWS_FLT (14 Jan 2009) 75402-05 WLR (30 Jul 2008)

WORK ITEM 9: Remove, Inspect, and Reinstall Propeller Shafts

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to remove, inspect, and reinstall the port and starboard propeller shafts.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

Coast Guard Drawing 75C WAGL 4301-022, Rev -, Stern Strut, Shaft Log, Stern Tube and Bulkhead Stuffing Box (75402-05)

Coast Guard Drawing 75C WAGL 4301-023, Rev 1, Prop Shaft Details (75402-05)

Coast Guard Drawing 75C WAGL 4301-024, Rev -, Prop Shaft Couplings (75402-05)

Coast Guard Drawing 75C WAGL 4301-025, Rev -, Shaft Brake & Steady Rest Bearing Support for Prop Shafting (75402-05)

Coast Guard Drawing 75C WAGL 4301-026, Rev -, Prop Shft Layout & Rud Arrgt (75405)

Page 18 (Rev-0)

3. REQUIREMENTS

3.1 General.

3.1.1 Critical Inspection Report. The Contractor shall submit a critical inspection report (CIR) for the inspections listed in the following paragraph(s):

• 3.2.2 (Inspections).

3.1.2 Related work items. The Contractor shall accomplish this work item in conjunction with the following, which are separate work items in this specification package:

• “Renew Water-Lubricated Shaft Bearings”.

• “Renew Propeller Shaft Sleeves”.

• “Remove, Inspect and Reinstall Propellers”.

3.1.3 Interferences. The Contractor shall be aware that

interferences in way of work include, but are not limited to the following:

• Rope guard.

• Fairwater.

3.2 Work to be accomplished. Using Coast Guard Drawings 75C

WAGL 4301-022, 75C WAGL 4301-023, 75C WAGL 4301-024, 75C WAGL

4301-025, and 75C WAGL 4301-026 as guidance, as applicable, the Contractor shall accomplish the following for a designated propeller shaft:

3.2.1 Removals.

3.2.1.1 Mark existing shaft position, and match-mark shaft

coupling bolts to their respective holes, to facilitate reinstallation procedures.

3.2.1.2 Remove the shaft and attached components to a suitable repair facility. Ensure shaft is properly protected and supported at all bearing journals, at all times, until reinstallation.

3.2.2 Inspections. Clean the shaft free of all marine growth, and accomplish the following inspections, as applicable (Submit

CIR):

Page 19 (Rev-0)

3.2.2.1 Visually inspect the following components, as

applicable, for excessive wear and other mechanical defects such as nicks, cracks, and corrosion:

• Shaft surfaces.

• Bearing surfaces.

• All shaft and propeller associated fasteners.

• Stern tube surfaces.

• Couplings.

• Stern tube/shaft sealing systems.

• Packing ring and glands.

NOTICE!

Before taking shaft runout readings, spin the shaft on a lathe for approximately two hours at the vessel's maximum rated RPM to eliminate any sagging that may have occurred during handling and storage.

3.2.2.2 Measurements.

• Measure keys and keyways.

• Measure all bearing sleeve or journal diameters.

• Measure runouts for shaft taper, shaft straightness, and coupling end diameters.

• With the key in-place, fit the shaft coupling to the shaft in shop and check the contact percentage by bluing.

If the contact is less than 80%, the Contractor shall grind and hand stone the coupling hub to achieve a minimum of 80 percent contact, and verify by bluing again. Make a small inscription on the shaft to mark the coupling hub location and use it as a reference in final assembly. Measure and record the coupling face and bore runouts.

3.2.2.3 Perform nondestructive inspection of all bearing

sleeves, shaft tapers, coupling bolts, keyways, and welded repair surfaces, in accordance with Std Spec 0740_STD, Appendix C.

3.2.3 Reinstallation. Reinstall the propeller shaft to its

original configuration and accomplish the following, using Coast Guard Drawings 75C WAGL 4301-022, 75C WAGL 4301-023, 75C WAGL 4301-024, 75C WAGL 4301-025, and 75C WAGL 4301-026, as applicable.

Page 20 (Rev-0)

3.2.3.1 Machine, grind, or hand-stone couplings, if necessary, to achieve an 80 percent contact. True couplings to shaft by cutting coupling faces and land area.

3.2.3.2 Renew all stainless steel self-locking nuts for packing glands.

3.2.3.3 Renew all packing materials.

3.2.3.4 Renew all hardware.

3.3 Post-repair operational testing. In the presence of the

Coast Guard Inspector, the Contractor shall thoroughly test and prove the shafting system to be in satisfactory operating condition (see 4.1 (Equipment operation)). Conduct a sea trial to test the propeller shaft in all modes of operation for a minimum of 4 hours. Inspect and correct any excessive leakage, abnormal noise and excessive vibration.

4. NOTES

4.1 Equipment operation. Coast Guard personnel will operate

all shipboard machinery and equipment during all operational tests.

Page 21 (Rev-0)

24320_MWS_FLT (30 Oct 2008) 75402-05 75C WLR (30 Oct 2008)

WORK ITEM 10: Remove, Inspect, and Reinstall Intermediate Shafts

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to remove, inspect, and reinstall the port and starboard intermediate shafts.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

Coast Guard Drawing 75C WAGL 4301-022, Rev -, Stern Strut, Shaft Log, Stern Tube and Bulkhead Stuffing Box (75402-05)

Coast Guard Drawing 75C WAGL 4301-023, Rev 1, Prop Shaft Details (75402-05)

Coast Guard Drawing 75C WAGL 4301-024, Rev -, Prop Shaft Couplings (75402-05)

Coast Guard Drawing 75C WAGL 4301-025, Rev -, Shaft Brake & Steady Rest Bearing Support for Prop Shafting (75402-05)

Coast Guard Drawing 75C WAGL 4301-026, Rev -, Prop Shft Layout & Rud Arrgt (75405)

Page 22 (Rev-0)

3.1 General. The Contractor shall:

3.1.1 Critical Inspection Report. Submit a critical inspection report (CIR) for the inspections listed in the following paragraph:

• 3.4 (Inspections).

3.1.2 Related work item. Accomplish this work in conjunction

with “Remove, Inspect, and Reinstall Propeller Shafts”, which is a separate work item in this specification package.

3.1.3 Interferences. The Contractor shall be aware that

interferences in way of work include, but are not limited to, the following:

• Bulkhead stuffing box.

3.2 Removals. Using Coast Guard Drawings 75C WAGL 4301-022, 75C WAGL 4301-023, 75C WAGL 4301-024, 75C WAGL 4301-025, and 75C WAGL 4301-026 as guidance, the Contractor shall accomplish the following:

3.2.1 Mark existing shaft position, and match-mark shaft

coupling bolts to their respective holes, to facilitate reinstallation procedures.

3.2.2 Remove the shaft and attached components, including

cooper bearing, to a suitable repair facility. Ensure shaft is properly protected and supported at all bearing journals, at all times, until reinstallation.

3.3 Protective measures. The Contractor shall protect the

shaft from weather and damage during removal, storage, and reinstallation. Ensure the shaft is properly supported at all bearing journals, at all times, until reinstallation.

3.4 Inspections. The Contractor shall (1) clean each shaft,

(2) set up the shaft in a lathe, providing supports at each bearing surface, and (3) accomplish the following inspections (Submit CIR):

3.4.1 Visual inspection. Visually inspect all bearing

components and shaft surfaces for excessive wear and other defects.

Page 23 (Rev-0)

3.4.2 Measurements and machining. Measure the shaft diameters and runouts at the locations of the cooper bearing and bulkhead stuffing box. Measure each shaft taper and shaft runout at the taper. Measure all keyways and keys. Measure coupling end diameters and runout. Measure the boss ring runouts. With keys installed, fit the shaft coupling to the shaft in shop, perform all necessary coupling machining to achieve a minimum of 80 percent contact, and check by bluing. Install couplings and check face and bore runouts on couplings. True couplings to shaft by cutting coupling faces and land area.

3.4.3 Non-destructive inspection. Conduct nondestructive

inspection of all shaft tapers, and keyways, in combination, as appropriate, in accordance with Std Spec 0740_STD.

3.5 Bearing reinstallation. Upon completion inspection, the

Contractor shall reinstall the cooper bearing assembly.

Lubricate the bearing in accordance with manufacturer's recommendation.

3.6 Shaft reinstallation. The Contractor shall reinstall each intermediate shaft to original configuration.

3.6.1 True couplings to shaft by cutting coupling faces and

land area, as necessary.

3.6.2 Renew all stainless steel self-locking nuts, hardware, and packing materials.

3.7 Post-repair operational testing. In the presence of the

Coast Guard Inspector, the Contractor shall thoroughly test and prove the shafting system to be in satisfactory operating condition (see 4.1 (Equipment operation)). Conduct a sea trial to test the propeller shaft in all modes of operation for a minimum of 4 hours. Inspect and correct any excessive leakage, abnormal noise and excessive vibration. Submit a CFR.

4. NOTES

4.1 Equipment operation. Coast Guard personnel will operate

all shipboard machinery and equipment during all operational tests.

Page 24 (Rev-0)

24350_MWS_FLT (18 Sep 2008) 75402-05_WLR (23 Jan 2004)

WORK ITEM 11: Straighten Shaft

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to straighten a designated shaft.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

MIL-STD-2191, Nov 1992, Repair Welding, Weld Cladding, Straightening, and Cold Rolling of Main Propulsion Shafting

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

Coast Guard Drawing 75C WAGL 4301-023, Rev 1, Prop Shaft Details (75402-05)

Coast Guard Drawing 75C WAGL 4301-024, Rev -, Prop Shaft Couplings (75402-05)

3. REQUIREMENTS

3.1 General.

3.1.1 Related work items. The Contractor shall accomplish this work item in conjunction with the following, which are separate work items in this specification package:

• “Remove, Inspect and Reinstall Propeller Shafts”.

• “Remove, Inspect and Reinstall Intermediate Shafts”.

Page 25 (Rev-0)

3.1.2 Shaft straightening requirements. Based on inspection

results obtained from a related shaft work item in this specification package, or provided by the Coast Guard Inspector, the Contractor shall straighten the designated shaft, using Coast Guard Drawings 75C WAGL 4301-023, 75C WAGL 4301-024, and MIL-STD-2191 as guidance and as specified herein.

3.1.2.1 Pre-straightening inspection. Prior to initiating

straightening processes, determine the location, magnitude and type of bend in the shaft, with the entire shaft supported on centers in a lathe, as follows:

• Before taking shaft runout readings, spin the shaft on the lathe for approximately two hours to eliminate any sagging that may have occurred during handling and storage.

• Conduct a dial indicator survey of shaft runout at stations spaced every two feet of shaft length to determine the magnitude and location of the bend.

• At each station, mark the position of maximum runout on the periphery of the shaft.

NOTICE!

Be aware that the marks on the shaft periphery will be in a straight line if the shaft contains a simple bend, and will spiral part way around the shaft, if the shaft is both bent and twisted.

• Plot the maximum runout to an exaggerated scale, in order to locate the center of the bend, and to determine the extent of straightening required.

• Submit a CFR including locations and magnitudes of the bend.

3.1.2.2 Straightening procedures. Straighten the shaft to

equal or less than 0.005" total indicator runout, using the localized heating (hot spotting method for carbon steel shafts, in accordance with MIL-STD-2191, Section 11.2.2.2 and sub-paragraphs).

3.1.2.3 Post-straightening inspections. After completion of

straightening procedures, accomplish inspections, and submit a

CFR:

• Conduct non-destructive inspection of all straightened areas in accordance with Std Spec 0740_STD, Appendix C.

• Recheck the shaft surfaces, as specified in paragraph

3.1.2.1 (Pre-straightening inspection).

Page 26 (Rev-0)

Page 27 (Rev-0)

24400_MWS_FLT (10 Sept 2008) 75402-05 (10 Sept 2008)

WORK ITEM 12: Renew Water-Lubricated Shaft Bearings

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew the water-lubricated bearings for the port and starboard shafts.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Drawing 75C WAGL 4301-022, Rev -, Stern Strut, Shaft Log, Stern Tube and Bulkhead Stuffing Box (75402-05)

Coast Guard Drawing 75C WAGL 4301-023, Rev 1, Prop Shaft Details (75402-05)

3. REQUIREMENTS

3.1 Related work item. The Contractor shall perform this work in conjunction with “Remove, Inspect, and Reinstall Propeller Shafts”, which is a separate work item in this specification package.

3.2 Bearing renewal. The Contractor shall accomplish the

following, using Coast Guard Drawings 75C WAGL 4301-022 and 75C WAGL 4301-023 as guidance:

3.2.1 Removal. Remove the existing water-lubricated bearings;

dispose of the removed bearings after visually inspecting for any abnormal wear patterns which may indicate misalignment.

Submit a CFR.

Page 28 (Rev-0)

3.2.2 Inspections.

3.2.2.1 Visual. Visually inspect the following:

• Chocking material, if installed in the bearing housings.

• Bearings.

• Bearing housing bores.

• Shaft journal in way of bearings.

3.2.2.2 Measurements. Measure the inner diameter of each

bearing housing at the forward, middle and aft positions.

3.2.2.3 Documentation. Submit a CFR after the inspection and

measurements.

3.2.3 New bearing installation. The Contractor shall furnish

water-lubricated bearings, and accomplish the following, using Coast Guard Drawings 75C WAGL 4301-022 and 75C WAGL 4301-023 as guidance:

3.2.3.1 In the presence of the Coast Guard Inspector, the

Contractor shall check the alignment of the stern tube, forward seal flange, and bearing carriers relative to the shaft centerline including any offsets by running a taut line, using the optical scopes method, or using laser alignment.

3.2.3.2 Machine the new bearings to fit the bearing housing in accordance with the manufacturer's installation recommendations.

Drill and tap new bolt holes on the new bearings to match the bearing housings for proper fit.

3.2.3.3 Install the new water-lubricated bearings in accordance with the bearing manufacturer's recommendations, using new monel or type 316 stainless steel fasteners.

3.3 Final measurement. After bearing installation, the

Contractor shall:

3.3.1 Measure final bearing clearances at 90-degree intervals around the shaft at forward and aft ends of the bearing: a total of 8 measurements per bearing.

3.3.2 Submit a CFR after taking the measurements.

Page 29 (Rev-0)

3.3.3 Minimum operating bearing clearance shall be as follows:

DIAMETER OF

JOURNAL

(INCHES)

MINIMUM OPERATING CLEARANCE

OF NEW WATER-LUBRICATED

BEARINGS (INCHES)

3 0.022 4 0.025 5 0.027 6 0.030 7 0.032 8 0.035 9 0.037 10 0.040 11 0.042 12 0.045 13 0.047 14 0.050

3.4 Inspection and operational test. The Contractor shall

accomplish the following:

3.4.1 Visual inspection. Visually inspect the new bearings and record bearing clearances, after shaft reinstallation.

3.4.2 Operational test. Conduct an operational test of the

shaft during sea trials, to ensure there is no evidence of binding, abnormal vibration, and noise during sea trials.

3.4.3 Inspection and test documentation. Submit a CFR upon

completion of inspection and test.

Page 30 (Rev-0)

24420_MWS_FLT (18 Sep 2008) 75402-05 (30 Jan 2004)

WORK ITEM 13: Renew Propeller Shaft Sleeves

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew the sleeves on the port and starboard propeller shafts.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

Coast Guard Drawing 75C WAGL 4301-022, Rev -, Stern Strut, Shaft Log, Stern Tube and Bulkhead Stuffing Box (75402-05)

Coast Guard Drawing 75C WAGL 4301-025, Rev -, Shaft Brake & Steady Rest Bearing Support for Prop Shafting (75402-05)

NAVSEA Drawing 803-2145807, Rev C, Propulsion Shafting and Components

3. REQUIREMENTS

3.1 Related work item. The Contractor shall perform this work in conjunction with “Remove, Inspect, and Reinstall Propeller Shafts”, which is a separate work item in this specification package.

3.2 Sleeve renewal requirements. Using Coast Guard Drawings

75C WAGL 4301-022 and 75C WAGL 4301-025 as guidance, the Contractor shall accomplish the following, for the port and starboard propeller shafts:

3.2.1 Removal. Remove and dispose of the sleeves.

Page 31 (Rev-0)

3.2.2 Inspections. Clean all shaft journal surfaces, and

accomplish the following:

3.2.2.1 Perform…