Statement_of_Work_-_USCGC_IBIS_FY19_UNPLANNED_DRY_DOCK_-_70Z080-19-Q-P45G3500.pdf

USCGC IBIS (WPB 87338)

SPECIFICATION FOR UNPLANNED DRYDOCK REPAIRS

FY2019

Developed By: Frederick J Lenihan

(Rev-0, 13 May 2019)

USCGC IBIS (WPB-87) UNPLANNED DRYDOCK AVAILABILITY FY2019

ii (Rev-0)

TABLE OF CONTENTS

Revisions Record ......................................................................................................................................... iii Consolidated List of References ................................................................................................................... iv Consolidated List of Government-furnished Property .................................................................................. v Consolidated List of Critical Inspection Items ............................................................................................. vi Principal Characteristics ............................................................................................................................. vii General Requirements WORK ITEM 1: Propellers, Renew WORK ITEM 2: Drydock WORK ITEM 3: Sea Trial Performance, Support, Provide WORK ITEM 4: U/W Body, Partial Preserve iii (Rev-0)

REVISIONS RECORD

This page is used to record specification revisions, which may have occurred subsequent to a Revision 0 (Rev-0) package. Information listed is intended to provide contractors and field unit personnel a means to ensure all the current specification revision pages are present when reviewing or utilizing this specification package.

DATE REV# WORK

ITEM#

CHANGES MADE

NOTE : All work item and paragraph numbers listed above for a given revision correspond to same numbers in the previous revision. This revised specification is self-contained with all of the above listed changes incorporated.

iv (Rev-0)

CONSOLIDATED LIST OF REFERENCES

The below-listed documents form a part of this specification to the extent specified herein. Approval/publication dates or revision dates/numbers are also identified, to ensure that same document versions are used at the time of specification writing and during contract execution.

All Coast guard drawings, technical publications, and standard specifications will be provided to contractors by the Coast Guard at an appropriate time, or upon request, free of charge. Other Government documents may be accessed – free of charge – from links located on the SFLC website. Commercial sites provide access to their respective documents.

COAST GUARD DRAWINGS

Coast Guard Drawing 87 WPB 085-011, Rev C, Lifting Slings

Coast Guard Drawing 87 WPB 085-012, Rev A, Lifting Cradle

Coast Guard Drawing 87 WPB 085-013, Rev B, Docking Plan

Coast Guard Drawing 87 WPB 243-003, Rev –, Propulsion Shaft Details

Coast Guard Drawing 87 WPB 245-003, Rev A, Propeller Details

Coast Guard Drawing 87 WPB 601-001, Rev R, Outboard Profile & General Arrangements

Coast Guard Drawing 87 WPB 602-001, Rev E, Visual ID and Draft Mark Plan

COAST GUARD PUBLICATIONS

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

Manual

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General

Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and

Allied Processes

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures

Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2014, Drydocking

OTHER REFERENCES

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2015, Solvent Cleaning v (Rev-0)

CONSOLIDATED LIST OF GOVERNMENT-FURNISHED PROPERTY

The following is a list of property, which the Government will furnish. This list supersedes any other material obligations indicated or implied by referenced drawings.

WORK

ITEM

MTI ITEM DESCRIPTION NSN/PN QTY ESTIMATED

COST

($/UNIT)

1 Y Starboard Propeller

(RH)

PN: 706-3351.00 RH NSN:

2010-01-457-0573

1 ea. 9153.07

1 Y Port Propeller (LH) PN: 706-3350.00 LH NSN:

2010-01-459-0421

1 ea. 9542.05

1 N *Propeller Nut Wrench N/A 1 ea. 200.00

1 N Propeller Nut PN: 5317350 NSN: 2010-01-

458-9217

2 ea. 322.07

1 N Propeller Nut, Locking PN: 5317355 NSN: 5310-01-

458-9125

2 ea. 285.10

1 N Anode, Propeller Nut PN: 87WPB243001ITEM39

NSN: 5342-01-481-8403

2 ea. 153.06

2 Y *Transducer Cover

Plate

N/A 2 ea. 50.00

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

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

***Government-furnished property, which is to be supplied by either the vessel or the C4IT ServiceCenter vi (Rev-0)

CONSOLIDATED LIST OF CRITICAL INSPECTION ITEMS

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

(Inspection report particulars)):

Work

Item Title

2 Drydock

4 U/W Body, Partial Preserve vii (Rev-0)

PRINCIPAL CHARACTERISTICS

87' WPB

PHYSICAL

Length overall 87'

Length between perpendiculars 81' 7"

Depth 10' 11"

Maximum beam 19.4'

Draft, mean to design waterline 5' 9"

Height of highest projection 50.2'

Full load displacement 93.5 long tons

Minimum operating displacement 83.9 long tons

Displacement, light ship 77.9 long tons

Framing Longitudinal

Bulkheads Four watertight bulkheads located below the Main Deck

Anchor 40 lb Fortress with 480 ft. 3 strand 5/8" dia. Line stayset

HULL

Hull/main weatherdeck material ABS Grade AH 36

Superstructure 5086 Aluminum

MACHINERY

Main propulsion Two MTU 8V396TE94, sequential turbo-charged diesels

Reduction gears Two ZF Type BW 255

Propulsion shaft Two AQUAMET 22, 101.6mm

Shaft diameter 4"

Shaft seal Two John Crane mechanical seals

Shaft bearing, intermediate Thordon Elastomeric Bearing

Shaft bearing, aft Thordon Elastomeric Bearing

Number of propellers 2

Number of blades 5

Diameter of propeller 1040mm

Pitch 1230 mm fixed

Shaft RPM 828

Rudders Two 316L Stainless Steel

Ship's service generators Two Man Model D08241F01 diesel with Stanford 60KW Generator

TANK CAPACITIES

3-9-1-f (fuel oil) 1402 gal

3-9-2-f (fuel oil) 1402 gal

3-12-2-f (waste oil) 86 gal

3-12-1-f (oily water) 86 gal

3-7-0-q (sewage collection) 352 gal

3-7-1-q (grey water) 52 gal

3-12-1-w (fresh water) 200 gal

3-12-2-w (fresh water) 200 gal

1 (Rev-0)

00000_0618_FLT

REC_00000_FLT_Commercial Project @ Contractor’ Facility (1212)

General Requirements

1. SCOPE

1.1 Intent. This standard specification invokes general requirements for conducting vessel repairs performed at a commercial contractor’s facility for Coast Guard vessels.

1.2 Term interchangeability. The terms 'Contractor', 'CG Yard', 'NAVSTA EVERETT', 'shipyard', 'Base', and

'Coast Guard Industrial' are used interchangeably in this specification. Where the primary service provider is

Coast Guard personnel, references to contractor and other noted descriptors within this specification or within drawings, publications, SFLC Standard Specifications or other commercial and military references are deemed the same as prime service provider.

2. REFERENCES

COAST GUARD DRAWINGS

None

COAST GUARD PUBLICATIONS

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

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General

Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and

Allied Processes

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None

3. REQUIREMENTS

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

NOTE

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

2 (Rev-0)

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

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

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

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

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

NOTE

Unless a waiver has been granted (in writing) by the KO, deviations from authorized coatings (listed in Appendix C of SFLC Std Spec 6310) and colors and color schemes

(provided in Chapter 6 of COMDTINST M10360.3) are strictly prohibited.

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

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

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

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

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

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

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

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

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

3.5.4 Environmental manager. The Contractor shall appoint in writing an Environmental Manager for the project, and shall be responsible for coordinating Contractor compliance with Federal, State, local, and station environmental requirements. The Environmental Manager shall ensure compliance with Hazardous Waste

Program requirements, including hazardous waste handling, storage, manifesting, and disposal; implement the

Contractors’ Environmental Management Plan; ensure that all environmental permits are obtained, maintained, 3 (Rev-0) and closed out; ensure compliance with Storm Water Program Management requirements; ensure compliance with Hazardous Materials including storage, handling, and reporting requirements; as well as coordinate any remediation of regulated substances such as lead, asbestos, and polychlorinated biphenyl (PCB). This may be a collateral position; however the individual must be trained to accomplish the following duties; ensure waste segregation and storage compatibility requirements are met; inspect and manage Satellite Accumulation areas;

ensure only authorized personnel add wastes to containers; ensure all Contractor personnel are trained in 40 CFR requirements and individual position requirements; coordinate removal of waste containers; and maintain the

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

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

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

3.6 Local Policy. None.

3.7 SFLC standard specification approved changes. The Contractor shall be aware that the following are approved changes to published SFLC 2014 Edition Standard Specifications and supersede published content:

3.7.1 Change to SFLC Std Spec 0000, paragraph 1.3. ‘Acronyms and term definitions’, page 5, “PCL (Paint

Containing Lead)” definition replaced by, “Any paint or coating containing lead in excess of 0.009 percent by weight (1.0 mg/cm2 or 90 ppm). Lead Based Paint (LBP) is an interchangeable term with PCL.”

3.7.1.1 Change Std Spec 0000 paragraph 3.2.4.2.3(QP 1 inspector or tech rep duties) bullet, “Determine when applied coats have sufficiently cured for overcoating or for system service resumption (see paragraph 3.1.19 of

SFLC Std Spec 6310 (Critical drying time requirements)).” to “Determine when applied coats have sufficiently cured for overcoating or for system service resumption (see paragraph 3.1.17 of SFLC Std Spec 6310 (Critical drying time requirements)).”

3.7.2 Change to Std Spec 5000, paragraph D2.2.1.1 bullet, "For running rigging, furnish class 6x37, uncoated, independent wire rope core (IWRC), right regular lay (RRL) wire rope or Dyform-18, rotation resistant wire rope," to "For running rigging, furnish class 6x36, uncoated, independent wire rope core (IWRC), right regular lay

(RRL) wire rope or Dyform-18, rotation resistant wire rope."

3.7.2.1 Change to Std Spec 5000, page D-2, Table D-1 title from "DYFORM-18, 6X19 AND 6X37 IWRC RRL," to " DYFORM-18, 6X19 AND 6X36 IWRC RRL"

4. NOTES

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

4 (Rev-0)

QA-1 - QUALITY ASSURANCE INSPECTION FORM

(PRESERVATION CHECKLIST)

VESSEL NAME HULL # WORK ITEM

WORK ITEM TITLE

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

CHECKPOINT 1 – COATING SYSTEM COMPLIANCE

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

CHECKPOINT 2 - PAINT STORAGE

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

CHECKPOINT 3 - AMBIENT CONDITIONS

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

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

Ensure surface temperature is at least 5°F above the dew point, unless otherwise specified by the coating 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-11, SP-10, SP WJ-2…).

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

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

CHECKPOINT 6 - PRIMER COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

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

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

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

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

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

Perform visual inspection for holidays and other defects.

CHECKPOINT 7 – STRIPE COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

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

CHECKPOINT 8 – TOP COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

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

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

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

CHECKPOINT 9 – FINAL INSPECTION

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

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

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

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

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

CHECKPOINT 10 – RECORD KEEPING

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

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

5 (Rev-0)

QA-2 - QUALITY ASSURANCE INSPECTION FORM

(ENVIRONMENTAL READINGS)

VESSEL NAME HULL #

WORK ITEM

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

DATE

TIME

ACTIVITY (SURFACE

PREPARATION, PRIMER COAT,

BARRIER COAT, TOP COAT,

ETC…)

LOCATION (FRAME &

DECK, RELATION TO

EQUIPMENT, ETC.)

TEMPERATURE % REL.

HUMID-

ITY

DEW

PT.

SURFACE AMBIENT ΔT

| DP -

SURFACE |

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

6 (Rev-0)

QA-3a - QUALITY ASSURANCE INSPECTION FORM

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

VESSEL NAME HULL # WORK ITEM

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-1/NACE WJ-1

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP WJ-3/NACE WJ-3

SSPC-SP WJ-4/NACE WJ-4

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area)

Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

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

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

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

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

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

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

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

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

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

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

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

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

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

TIME

7 (Rev-0)

QA-3b - QUALITY ASSURANCE INSPECTION FORM

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

VESSEL NAME HULL # WORK ITEM

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-1/NACE WJ-1

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP WJ-3/NACE WJ-3

SSPC-SP WJ-4/NACE WJ-4

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area)

Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

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

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

SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Mean Reading

(mils)

Mean Reading (mils) IAW ASTM DD4417).

8 (Rev-0)

QA-4 - QUALITY ASSURANCE INSPECTION FORM

(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)

VESSEL NAME HULL # WORK ITEM

SOLUBLE SALT CONDUCTIVITY MEASUREMENTS IAW SSPC-GUIDE 15.

DATE TEST LOCATIONS CONDUCTIVITY (MICROSIEMENS/CM)

9 (Rev-0)

QA-5 - QUALITY ASSURANCE DATA FORM

(COATING THICKNESS)

(Use one sheet for each sequence)

VESSEL NAME HULL #

WORK ITEM

COATING MFG PRODUCT NAME

BATC

H #

INDUCTI

ON TIME

COATING SYSTEM

SEQUENCE

(PRIMER/TOUCHUP/3RD

COAT, ETC.)

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

SPOT 1 2 3 4 5

AVERAGE

VALUE

*BASE METAL READING

(BMR) Required, If Magnetic

Pull-Off (Type I/Banana) Gauge Is

Used.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

1 AVG. BMR DEVIATION

1 AVG. BMR DEVIATION

APPLICATION METHOD (AIRLESS,

CONVENTIONAL SPRAY, ROLLED)

AVERAGE DFT

10 (Rev-0)

24505_FJL_0818_87WPB

WORK ITEM 1: Propellers, Renew

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew both propellers.

1.2 Government-furnished property.

MTI ITEM DESCRIPTION NSN/PN QTY ESTIMATED

COST

($/UNIT)

Y Starboard Propeller (RH) PN: 706-3351.00 RH

NSN: 2010-01-457-0573

1 ea. 9153.07

Y Port Propeller (LH) PN: 706-3350.00 LH

NSN: 2010-01-459-0421

1 ea. 9542.05

N *Propeller Nut Wrench N/A 1 ea. 200.00

N Propeller Nut PN: 5317350

NSN: 2010-01-458-9217

2 ea. 322.07

N Propeller Nut, Locking PN: 5317355

NSN: 5310-01-458-9125

2 ea. 285.10

N Anode, Propeller Nut PN: 87WPB243001ITEM39

NSN: 5342-01-481-8403

2 ea. 153.06

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

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 87 WPB 243-003, Rev –, Propulsion Shaft Details

Coast Guard Drawing 87 WPB 245-003, Rev A, Propeller Details

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General.

11 (Rev-0)

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not applicable.

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

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

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

Fairing plate.

Port and starboard rudders.

3.1.5 Propeller handling. Propellers shall not be lifted by a single blade at any time and shall be lifted as close to the blade roots as physically possible.

CAUTION

Incidental propeller impact by any object, and/or blade contact with the ground, is strictly prohibited. These incidents shall be reported to the Coast

Guard Inspector immediately via CFR.

3.2 Renewal particulars. The Contractor shall renew port and starboard propellers as follows while using

Coast Guard Drawings 87 WPB 243-003 and 87 WPB 245-003 as guidance:

3.2.1 Government-furnished propeller and crate inspections. The Contractor shall accomplish the following:

3.2.1.1 Upon receipt of the crate Government-furnished propellers, conduct crate inspections and report any notable crate damage. Submit a CFR.

3.2.1.2 When removing the propellers from the crates, conduct a visual inspection of the propeller protection and strippable compound. Immediately report all discrepancies (i.e., damaged and/or missing strippable compound, damaged edge guards, missing accessories, etc.) to the Coast Guard Inspector.

Submit a CFR.

NOTES

Do not remove any propeller protection without KO permission prior to blue fitting and installation.

When blue fitting, only a minimum amount of protection shall be removed to facilitate fitting.

Only once installed upon the cutter shall all other protection be removed.

12 (Rev-0)

3.2.2 Existing propeller removals.

3.2.2.1 The Contractor shall scribe-mark the position of the existing propellers to facilitate installation of the new propellers. Remove the existing propellers.

3.2.2.2 The Contractor shall repackage the MTI propellers using the existing propeller containers, mounting plate, edge guards, and hardware, with exception of the strippable compound, in the same manner the new GFP propellers were received.

3.2.3 Propeller installation. The Contractor shall abide by and accomplish the following:

WARNINGS!

Do not machine the shaft tapers.

The propellers are fastened to steel plates at the bottom of the containers. Do not lift the propellers unless completely detached from the shipping containers.

NOTE

It is prohibited to use grease, oil, or other substances on the taper to help drive the propellers.

3.2.3.1 Hand clean the new propeller hub bores and shaft tapers to remove all foreign particles for a clean metal-to-metal fit.

3.2.3.2 Verify hub fits in the presence of the COR and with the keys in place, carefully check the fits of the propeller hub bores to the shaft tapers by applying Prussian blue, 0.0002” to 0.0004” thick, to the shaft tapers. Submit a CFR.

3.2.3.2.1 80 percent contact over the taper area, with a slightly heavier fit on the larger end, is required.

Do not heat the shaft tapers to compensate for a poor fit.

3.2.3.2.2 If the fit is less than 80 percent, hand stone the propeller hub bores, as required, to achieve 80 percent contact over taper surfaces.

WARNING

Do not machine the shaft taper.

3.2.3.3 Install the new propellers onto the propulsion shafts in accordance with Coast Guard Drawing 87

WPB 243-003. After the propellers are installed on the tapers, install the propeller nuts using the

Government-furnished propeller nut wrench.

3.2.3.4 Lock each propeller nut in place with new Contractor-furnished, stainless steel 3/8” x 6” cotter pins.

3.2.3.5 Reinstall the fairing plates as shown on Coast Guard Drawing 87 WPB 243-003.

3.2.3.6 Renew the propeller nut anodes with the Government-furnished propeller nut anodes.

13 (Rev-0)

3.3 Testing. During sea trials, verify that there is neither abnormal vibration nor problems with making rated speed. Submit CFR.

4. NOTES

This section is not applicable to this work item.

14 (Rev-0)

86340_0419_FLT

REC 86340_FLT_87 WPB (ALL) (0919)

WORK ITEM 2: Drydock

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to drydock the vessel, undock the vessel, and perform various drydocking-related tasks.

1.2 Government-furnished property.

MTI ITEM DESCRIPTION NSN/PN QTY ESTIMATED

COST

($/UNIT)

Y *Transducer Cover Plate N/A 2 ea. 50.00

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

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 87 WPB 085-011, Rev C, Lifting Slings

Coast Guard Drawing 87 WPB 085-012, Rev A, Lifting Cradle

Coast Guard Drawing 87 WPB 085-013, Rev B, Docking Plan

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements

Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2014, Drydocking

OTHER REFERENCES

None.

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

15 (Rev-0)

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

3.10.1 Inaccessible voids.

3.1.2 Tech Rep.

Not applicable.

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

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

Anchor assembly

Load conditions

U/W body appendages

3.2 Key personnel. The Contractor shall determine key personnel and require their presence during all drydocking phases as required by SFLC Standard Spec 8634. Submit list of key personnel to the COR.

3.3 Docking and undocking. The Contractor shall perform drydock and undock in accordance with SFLC

Std Spec 8634, using Coast Guard Drawings 87 WPB 085-011, 87 WPB 085-012, and 87 WPB 085-013 for guidance.

3.4 Cutter conditions. The Contractor shall use the Full Load Condition values listed below all in inches, for purposes of performing Pre-Award calculations as described in Appendix A (Requirements for

Calculations) of SFLC Std Spec 8634.

Displacement (LT): 90.39.

VCG (FT ABL): 7.62.

LCG (FT aft of Frame Zero): 51.96.

Length (Molded) (FT): 86.92.

Length of supported keel (FT): 61.05 (Position 1)

Length of supported keel (FT): 50.88 (Position 2)

3.4.1 Blocking. The Contractor shall facilitate docking the vessel in designated block position by arranging keel and side blocks and ensuring minimum block heights as shown on the vessel's docking plan. Contractor's use of a cradle, built to Coast Guard Drawing 87 WPB 085-12, shall require the fitting of keel blocks with soft wood wedges, based on the docking positions noted in Coast Guard Drawing 87

WPB 085-013, after lifting.

3.4.1.1 The Contractor shall dock the vessel in Position #2 as shown in 87 WPB 085-013.

16 (Rev-0)

TABLE 1 - BLOCKING

Pos.

BLOCK HEIGHT ABOVE DOCKING

FACILITY DECK

Steel

Plate

Situation

Awareness

Fin

Stabilizers Additional

Min. Rudder

Removal

Propeller

Removal

Shaft

Removal

48" NA NA NA NA NA None

3.4.2 Cable, sling, or strap tension calculation. If the Contractor plans to use a vertical lift, crane, or travel/mobile lift to haul out the vessel, the Contractor shall submit the cable, sling, or strap tension calculation specified in Table A1 and paragraph A2.7.2.7 of SFLC Std Spec 8634 with the Pre-Award calculations, using the loading condition specified in paragraph 3.4.

3.5 Pre-award calculations. The Contractor shall provide to the KO a set of pre-award calculations, as described in SFLC Std Spec 8634 Appendix A.

3.5.1 Provide vertical side/bilge block offsets for any side blocks placed in a location where vertical offsets are not already defined by the docking plan.

3.5.2 Submit an alternate blocking arrangement, as part of the pre-award calculation submission, to compensate for any changes from the docking plan.

3.5.2.1 If the alternate blocking arrangement interferes with U/W hull plate inspection or 100% preservation of U/W body surfaces required under separate work items in this specification package, the

Contractor shall include a plan of how inspection/preservation will be accomplished. Plan shall include any modifications necessary to the prescribed docking plan including removing, shifting, repositioning blocks, or fleeting the vessel at no additional cost to the Government.

NOTE

1. The USCG has established several approved alternate docking plans for each vessel-class, to facilitate complete access to the entire U/W body structure, for periodic comprehensive inspection and/or 100% preservation.

This inspection and preservation pattern and periodicity is a configuration management concern that is a vital requirement of the contract. Intention to deviate from these plans (fewer blocks, block spacing, additional blocks, etc) is to be identified on pre-award calculations (Paragraph 3.5.2); an alternate docking plan and mitigation strategy will be provided to maintain preservation and inspection configuration.

2. Pre-award calculations may be deemed unsatisfactory - and may adversely affect contract award if they are submitted with the following detrimental factors:

a. No methods have been proposed that meet the requirements for the specified docking plan.

b. Proposed block shifting or fleeting risk-mitigating plan may result in delays in period of performance.

c. Proposed alternate docking plan violates USCG configuration management policies.

17 (Rev-0)

3.6 Unplanned availability: Underwater body cleaning-removal of marine growth. The Contractor shall accomplish the work in this paragraph in lieu of the work described in SFLC Std Spec 8634 paragraphs

3.5.4.1 and 3.5.4.2. Within four hours after the vessel has been docked, the Contractor shall start cleaning the entire underwater hull from the upper edge of the boot top down, including sea chest gratings, sea chest interiors, fairwaters, rope guards, rudder, shaft strut, z-drive, thruster tunnel, and zinc anodes, as applicable. The Contractor shall remove all marine growth, fouling, salt, and dirt from the underwater hull by High Pressure Fresh Water Wash, using a minimum pressure at the nozzle of 3,500 psi and maximum pressure of 7,000 psi. Complete the hull cleaning before marine growth hardens. Removal of gratings is not required.

WARNING

Do not use chemical additives in the freshwater wash. Take extreme care to avoid damaging or removing existing intact underwater body coating.

3.7 Fuel offloading. The Contractor shall remove and dispose of up to 1,500 gallons of fuel from the vessel.

3.8 Fleeting. Not required.

3.9 Fluid removal and disposal.

3.9.1 The Contractor shall drydock the cutter with all tanks empty.

3.9.2 The Contractor shall empty all tanks in order to fulfill the drydock requirements, shown on Coast

Guard Drawing 87 WPB 085-013. Dispose of all fluids in accordance with Federal, State, and local regulations.

3.9.2.1 Dirty oil and oily water. The Contractor shall remove and dispose of up to 85 gallons of dirty oil and up to 85 gallons of oily water from the vessel.

3.9.2.2 Sewage and grey water. The Contractor shall remove and dispose of up to 363 gallons of sewage and up to 55 gallons of grey water from the vessel.

3.10 Inaccessible voids.

3.10.1 Inaccessible void inspections. In the presence of the Coast Guard Inspector, the Contractor shall accomplish the following tasks for all non-accessible voids and submit a CIR:

3.10.1.1 Remove and dispose of the existing drain plugs.

3.10.1.2 Submit a CIR noting any liquids draining from any of the voids – indicating the presence of a leak.

3.10.1.3 Dispose of any drained liquids in accordance with all federal, state, and local laws and regulations.

18 (Rev-0)

CAUTION

Some liquids that are drained may be classified as hazardous materials or hazardous waste depending on state and local regulations. The vessel environmental coordinator may assist with determination of wastecategory.

3.10.2 Plug renewal and interior coating. Upon completion of all work on appendages, the Contractor shall accomplish the following:

3.10.2.1 Chase the hull inserts threads of all plugs.

3.10.2.2 Install new stainless steel, Type 316, or Monel drain plugs, in place of original plugs.

3.10.2.3 Coat new plugs prior to installation with a sealing and locking compound conforming to ASTM

D5363-AN0123 or a flexible joint compound conforming to MIL-S-45180, Type II.

3.10.2.4 Apply rust preventative compound conforming to MIL-PRF-16173, Class II, Grade 3, to each void and appendage using the fill and drain method. Collect and dispose of all excess compound in accordance with all federal, state, and local regulations. Ensure coated surfaces are left exposed to the atmosphere for 24 hours minimum to allow for adequate drying.

4. NOTES

4.1 Arrival conditions. The COR will advise the Contractor of the actual tank and draft readings when the vessel arrives, and will discuss with the Contractor any liquid loading changes necessary.

4.2 Tanks. The tanks identified in Table 1 below require fluid offload.

TABLE 1 – TANK INFORMATION

TYPE OF TANK LOCATION MAX CAPACITY

(GALLONS)

Diesel fuel Stbd Centerline 1,450

Diesel fuel Port Centerline 1,450

Dirty Oil Port Centerline 85

Oily Water Stbd Centerline 85

Sewage Hold Deck between Frames 6 and 8, 3-7-0-W 363

Grey Water Below Hold Deck between Frames 8 and 9, 3-7-1-W 55

4.3 Potable water pumping. Ship’s Force will pump the potable water overboard prior to drydocking in lieu of requiring the Contractor offload the potable water.

4.4 Cutters normally operate at a minimum 75% fuel capacity during hurricane season and 50% off season.

19 (Rev-0)

86850_0917_FLT

WORK ITEM 3: Sea Trial Performance, Support, Provide

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to provide support for the performance of sea trials.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

None

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements

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

20 (Rev-0)

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

3.2 Trial applicability. The Contractor shall provide support to the vessel crew to perform sea trials for all work items that require conducting operational tests while the vessel is waterborne or underway, prior to the item certification as being complete. The Contractor shall be responsible for ensuring all test procedures are prepared, approved, and distributed for the sea trials, and shall be responsible for recording test data and submitting CFRs to the COR.

3.3 Sea trial agenda. The Contractor shall prepare an agenda that details the Contractor’s plans for ensuring completion of the required sea trials.

3.3.1 Agenda contents. The Contractor shall ensure the agenda consists of chronological list of administrative events, inspection events and test events. Events shall be arranged to permit expeditious conduct with minimum interference between concurrent events.

NOTE

Mutually compatible events may be scheduled simultaneously.

3.3.1.1 The Contractor shall ensure the agenda identifies installation of any test equipment or component modification that could impact the normal operation of equipment or systems during performance of the trials.

3.3.1.2 The Contractor shall ensure the agenda identifies any operating instructions or special test procedures that could impact the normal operations of equipment or systems.

3.3.1.3 The Contractor shall ensure the agenda includes the full name, title, security clearance, home address, home telephone number and name of next of kin of each Contractor-personnel scheduled to ride the ship during performance of the trials.

3.3.2 Agenda submission requirements. The Contractor shall submit four legible copies of the sea trial agenda to the COR two days prior to the scheduled trials. The Contractor shall coordinate both the planning and conduct of the post-overhaul ship trials with the ship’s force (see 4.1 (Equipment operation)).

3.4 Environmental compliance. The Contractor shall abide by the below-listed rules, in addition to all other Federal, state, and local rules governing the overboard discharge of garbage and oil in the water.

3.4.1 Discharge of garbage.

TABLE 1 – GARBAGE RULES

GARBAGE TYPE RULE

Plastics, including synthetic ropes, fishing nets, and plastic bags Prohibited in all areas

Floating dunnage, lining and packing materials Prohibited less than 25 miles from nearest land

Food waste, paper, rags, glass, metal, bottles, crockery and similar refuse

Prohibited less than 12 miles from nearest land

Comminuted or ground food waste, paper, rags, glass, etc… Prohibited less than 3 miles from nearest land

21 (Rev-0)

3.4.2 Discharge of oil. The Contractor shall be aware that the Federal Water Pollution Control Act prohibits the discharge of oil or oily waste upon or into any navigable waters of the U.S. The prohibition includes any discharge that causes a film or discoloration of the surface of the water or causes a sludge or emulsion beneath the surface of the water.

CAUTION

Violators are subject to substantial civil and/or criminal sanctions including fines and imprisonment.

3.5 Dock trials. The Contractor shall conduct dock trials to demonstrate the material readiness of the ship for sea trials. Additionally, all onboard tests conducted after installation and prior to sea trials to prove proper installation and satisfactory operation of equipment shall be conducted in accordance with the requirements specified in the work items designated in paragraph 3.1 (Trial applicability). Ensure that the dock trials are begun no later than 12 hours prior to the scheduled sea trials.

3.5.1 The Contractor shall provide a pier facility (or allow the cutter to move to a Coast Guard pier) in order to support dock trials. Dock trials may not be conducted while the cutter remains floating inside the dry-dock (not touching the blocks).

3.5.2 During dock trials, the Contractor shall ensure the Contractor’s personnel observe tests under their cognizance and make such adjustments and repairs, as required.

3.6 Sea trials. As soon as possible after completion of the dock trials, the Contractor shall coordinate performance of the seal trials, based on the operational tests, as required in the applicable work items, for the following purpose:

Performing tests that could not be performed while the ship was moored.

Serving as final step in proving the success of the overhaul/repair tasks required in the designated work items, and ensuring that Contractor and COR are both satisfied that the ship is in all respects ready for final acceptance.

3.6.1 The Contractor shall have representatives on board the cutter to observe the trials for the purpose of observing whether or not the repairs are satisfactory.

3.6.2 The Contractor shall ensure the sea trials are be carried out in free route, away from other shipping, as designated by the COR.

3.7 Post-trial examination. After the completion of the sea trial, the Contractor shall perform a careful and thorough examination of parts of the repaired machinery, as designated by the COR. If any part of the ship or its equipment fails to meet contractual requirements during trials, perform additional trials after corrective measures have been taken.

NOTES

1. Examples of dock trials include conducting cold (pre-light off) and hot checks, cycling machinery (rudders, BPU, turning gear, fin stabilizers), and conducting any post-docking shaft alignment verification checks. This time may also be used to on-load fuel, if needed for operations.

22 (Rev-0)

2. The conditions of the trials will be determined largely by the character of the work that has been performed in each case, and as designated by the

COR. A full power trial should be run at this time unless the COR elects to defer this run until all new machinery parts are run-in or the training status of the crew permits full power operation without undue hazard.

3. This examination may be conducted by the Engineer Officer of the ship, in which case he will report the results of the examination to the COR, fully describing any defects or improper conditions found.

4. Representatives of manufacturers who have furnished ship components may be invited to witness trials subject to approval of the CO or OINC of the ship.

4. NOTES

4.1 Equipment operation. Coast Guard personnel will operate all shipboard machinery and equipment during all tests.

23 (Rev-0)

63100_FJL_0519_87338

WORK ITEM 4: U/W Body, Partial Preserve

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to preserve up to 400 square feet of rudder and underwater hull surface area.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 87 WPB 601-001, Rev R, Outboard Profile & General Arrangements

Coast Guard Drawing 87 WPB 602-001, Rev E, Visual ID and Draft Mark Plan

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures

OTHER REFERENCES

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2015, Solvent Cleaning

3. REQUIREMENTS

3.1 General.

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

3.2.3 Post-surface preparation cleaning and inspection

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

3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and

24 (Rev-0) protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness. Specific areas/equipment/components to be protected include, but are not limited to:

All scuppers and overboard discharges.

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

(unless freeboard surfaces are also being preserved).

Fathometer transducer surfaces.

Sea valve openings.

Propeller shaft bearings and seals.

Rudder bearings.

Propellers.

Zinc anodes (unless anodes are being renewed).

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

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

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

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

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

Achieving greater productivity.

Achieving the required surface profile.

NOTES

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

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

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

25 (Rev-0)

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

3.2.2 Surface preparation and coating application. Perform the following for up to 400 square feet of rudder and U/W hull surface area. Exact locations shall be designated by Coast Guard Inspector.

3.2.2.1 Prepare the U/W body, appendage surfaces, and RHIB notch wet deck, using the system specified for “Underwater Water (U/W) Body and Boot-Top (U/W Body and Boot-Top, Steel Hulls (Up to 12

Years), in Salt Water”, in SFLC STD SPEC 6310, Appendix A (Cutter…