DOUGLAS_MUNRO_(WHEC_378W)_DS_FQ3_APW_18R0_(2).pdf

USCGC DOUGLAS MUNRO (WHEC 724)

SPECIFICATION FOR DOCKSIDE REPAIRS

FY2018

Developed By: Alexander P Whitaker

(Rev-0, 13 October 2017)

USCGC DOUGLAS MUNRO (WHEC-378W) DOCKSIDE AVAILABILITY FY2018

ii (Rev-0)

TABLE OF CONTENTS

Revisions Record ......................................................................................................................................... iii Consolidated List of References ................................................................................................................... iv Consolidated List of Government-furnished Property ............................................................................... vii Consolidated List of Critical Inspection Items .......................................................................................... viii General Requirements .................................................................................................................................. ix WORK ITEM 1: Boiler, 5 Year Certification, Perform WORK ITEM 2: Compressed Air Receivers and System Valves (All), Clean, Inspect, Hydro and Lift ... 12 WORK ITEM 3: Tanks (MP Fuel Stowage and Overflow), Clean and Inspect WORK ITEM 4: Commissary Hoist, Level 2 Inspect and Repair WORK ITEM 5: Anchor Windlass Brake Handwheel, Repair WORK ITEM 6: Warping Capstan, Service and Inspect WORK ITEM 7: Helo Talon Grid, Inspect And Test WORK ITEM 8: Flight Deck / Helicopter Operating Areas, Preserve (WHEC-378, All Hulls) WORK ITEM 9: Deck Covering, Wet, Seal WORK ITEM 10: Deck Covering (Polymeric, Quarry Tile), Renew WORK ITEM 11: Boiler Steam Piping, Repairs WORK ITEM 12: Tanks (Sewage Holding), Preserve “100%” WORK ITEM 13: AFFF Motor Operated Valves, Overhaul WORK ITEM 14: Sewage System TLI Replacement WORK ITEM 15: Sewage Holding Tank(s), Clean and Inspect WORK ITEM 16: Forward Sewage Floor Plate Support, Renewal WORK ITEM 17: Mast Preserve, 100% WORK ITEM 18: Anchor Windlass, Service and Inspect WORK ITEM 19: Boiler Tubes, Renewal-(OPTIONAL) WORK ITEM 20: Temporary Services, Provide – Cutter (OPTIONAL) WORK ITEM 21: Temporary Services, Provide – Contractor (OPTIONAL) WORK ITEM 22: Hull and Structural Plating (General) -10.2-Pound Steel, Renew (OPTIONAL) 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 time of specification writing and during contract execution.

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

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

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

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

www.gpoaccess.gov

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

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

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

• NFPA: http://www.nfpa.org

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

COAST GUARD DRAWINGS

Coast Guard Drawing 378 FRAM-E 555-002, Rev E, Diag Halon Sys Coast Guard Drawing 378 FRAM-E 555-003, Rev E, Halon ER & Gas Turbine Coast Guard Drawing 378 FRAM-E 555-004, Rev E, Halon Sys Outside ER Coast Guard Drawing 378 FRAM-E 555-005, Rev D, Halon Eng Strm 1 Coast Guard Drawing 378 FRAM-E 555-009, Rev E, Halon Sys ER/GT L/M Coast Guard Drawing 378 FRAM-W 593-001, Rev C; Diagram Sewage & Transfer Coast Guard Drawing 378 FRAM-W 111-1, Rev -, Shell Expansion Forward Coast Guard Drawing 378 FRAM-W 111-2, Rev -, Shell Expansion Aft Coast Guard Drawing 378 FRAM-W 171-1, Rev F, Fram Mainmast Coast Guard Drawing 378 FRAM-W 171-3, Rev B, Foremast Coast Guard Drawing 378 FRAM-W 181-200, Rev A, Talon Grid Foundations and Structural

Modifications Coast Guard Drawing 378 FRAM-W 551-001, Rev K, LP Service Compressed Air System Coast Guard Drawing 378 FRAM-W 551-013, Rev -, Ship Service Air Receiver Coast Guard Drawing 378 FRAM-W 551-014, Rev -, Ship Service Air Receiver Coast Guard Drawing 378 FRAM-W 551-015, Rev -, Ship Service Air Receiver Coast Guard Drawing 378 FRAM-W 572-003, Rev A, Commissary Hoist Arrangement & Details Coast Guard Drawing 378 FRAM-W 593-001, Rev C; Diagram Sewage & Transfer Coast Guard Drawing 378 FRAM-W 631-200, Rev -, C & A, Paint, Deck Covering, and Insulation Mod

Talon Grid http://www.assistdocs.com/search/search_basic.cfm http://www.uscg.mil/directives/default.asp http://www.gpoaccess.gov/ http://www.awspubs.com/index.php http://www.techstreet.com/ http://www.nfpa.org/ http://shopping.netsuite.com/sspcmarketplace v (Rev-0)

Coast Guard Drawing 378 FRAM-W 801-1, Rev F, Booklet of General Plans Coast Guard Drawing 378 FRAM-W 801-1, Rev G; Booklet of General Plans Coast Guard Drawing 378-FRAM-E 593-14, Rev B, VAC Fl Tk Install Det Coast Guard Drawing 378-FRAM-E 593-21, Rev -, VAC Coll Tr Assembly 360 Gal Cap Coast Guard Drawing 378-FRAM-E 593-22, Rev -, VAC Coll Tr Assembly 220 Gal Cap Coast Guard Drawing 378-FRAM-E 593-23, Rev -, VAC Sew Tk Out 360 Gal Coast Guard Drawing 378-FRAM-W 123-2, Rev -, Miscellaneous Structural Enclosures Coast Guard Drawing 378-FRAM-W 131-1, Rev -, Main Deck Plating & Framing FORWARD Coast Guard Drawing 378-FRAM-W 131-2, Rev -, Main Deck Plating & Framing Aft Coast Guard Drawing 378-FRAM-W 151-14, Rev A, Main Deck Enclosure Bulkheads Coast Guard Drawing 378-FRAM-W 508-1, Rev C, Insulation Schedule Coast Guard Drawing 378-FRAM-W 534-1, Rev E, Steam Condensate System Diag Coast Guard Drawing 378-FRAM-W 534-2, Rev J, Steam & Condensate System in Machinery Space

Arrgt & Dets Coast Guard Drawing 378-FRAM-W 555-4, Rev F, AFFF Fire Fighting System Diagram Coast Guard Drawing 378-FRAM-W 555-5, Rev G, AFFF Fire Fighting Sys a&D & List of Mat'l Coast Guard Drawing 378-FRAM-W 581-1, Rev -, Anchor Handling Arrangements Coast Guard Drawing 378-FRAM-W 581-2, Rev -, Anchor Handling Fitting & Foundations Coast Guard Drawing 378-FRAM-W 581-6, Rev -, CAPSTAN - Windlass Assy Coast Guard Drawing 378-FRAM-W 581-6, Rev -; Capstan – Windlass Assy Coast Guard Drawing 378-FRAM-W 582-14, Rev -, Warping CAPSTAN Assembly Coast Guard Drawing 378-FRAM-W 582-15, Rev-, Warping CAPSTAN Assembly Coast Guard Drawing 378-FRAM-W 582-3, Rev -, Anchor Handling Fitting & Foundations Coast Guard Drawing 378-FRAM-W 634-1, Rev G, Deck Covering Coast Guard Drawing 378-FRAM-W 801-1, Rev F, Booklet of General Plans Coast Guard Drawing 378-FRAM-W 801-1, Rev J, Booklet of General Plans Coast Guard Drawing 378-FRAM-W 801-1, Rev F, Booklet of General Plans Coast Guard Drawing FL-588-001, Rev D, Talon Grid Support Skirt Replacement Coast Guard Drawing FL-8301-002, Rev B, Talon Helo Landing Grid Stanchion Bolt with Locknut

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jan 2014 Coatings and Colors Manual Coast Guard Technical Publication (TP) 3273, Manufacturers Instruction Book, SWBS Group(s) 517-529 Coast Guard Technical Publication (TP) 3277B, SWBS 555, Feb 1998, Halon 1301 Fire Supression

Sytem Coast Guard Technical Publication (TP) 3280A, Feb 2007, Manufacturers Instruction Book, SWBS

Group(s) 572-582, 378’ WHEC Class Cutters Coast Guard Technical Publication (TP) 3280A, Manufacturers Instruction Book, SWBS Group(s) 572-

Coast Guard Technical Publication (TP) 3280A; Feb 2007, Manufacturers Instruction Book, SWBS

Group(s) 572-582 Coast Guard Technical Publication (TP) 3368, Feb 2006, Technical Documentation Helicopter Land Grid

TYPE 18-22-01

vi (Rev-0)

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

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

Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 5000, Jan 2014, Inspect, Repair, And Test Auxiliary Machine Systems

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

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 3020 (SFLC Std Spec 3020), 2014, Overhaul AC Electrical Motors

Surface Forces Logistics Center Standard Specification 3041 (SFLC Std Spec 3041), 2014, Shipboard Electrical Cable Test

Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), 2014, Shipboard Electrical Cable Removal, Relocation, Splice, Repair, and Installation

Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2014, Auxiliary Machine Systems

Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2014, Inspect, Repair, And Test Auxiliary Machine Systems

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

Surface Forces Logistics Center Standard Specification 6341 (SFLC Std Spec 6341), 2014, Install Interior Deck Covering Systems

Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2014, Temporary Services

Surface Forces Logistics Center Standard Specification 8636 (SFLC Std Spec 8636), 2014, Temporary Hull Accesses vii (Rev-0)

CONSOLIDATED LIST OF GOVERNMENT-FURNISHED PROPERTY

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

WORK

ITEM

MTI ITEM

DESCRIPTION

NSN/PN QTY ESTIMATED

COST

($/UNIT)

8 N M16 Bolts NSN: 5305-01-393-1827 24 ea. 25.65 8 N M12 Bolts NSN: 5305-01-584-6095 12 ea. 33.75 8 N Jacking Bolt (5/8"

Thread 11 Length 8" Hex Bolt)

N/A 6 ea. 16.28

8 N **Talon Grid Stanchion Bolt

Assembly, Including Locking Nut

NSN: 5340-01-481-3786 60 ea. 31.50

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

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

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

20 Anchor Windlasses, Inspect and Repair

8 Helo Talon Grids, Inspect And Test

19 Mast Preserve, 100% ix (Rev-0)

00000_1216_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.

x (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 NDI 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.

.3.5.1.1 USCG Generator status. The activity Generator Status for the Coast Guard Facility is _________.

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

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

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

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

3.5.2 Test and procedures. The Contractor 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, xi (Rev-0) and if work is being performed at a USCG Facility, the local Facility Engineer or Engineering Officer. The Contractor shall submit copies of all regulatory notifications to the Contracting Officer and the local Facility Engineer or Engineering Officer prior to commencement of work activities. Regulatory notifications shall be provided for including but not limited to demolition, renovation, National Pollutant Discharge Elimination System (NPDES) defined site work, and remediation of controlled substances such as asbestos, hazardous waste, and lead paint.

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

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

3.5.5 HW disposal. Contractor shall comply with SFLC Std Spec 0000 Appendix 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 SFLC Standard Specification 6310, Requirements for Preservation of Ship Structures.

3.7.1.1 SFLC Std Spec 6310, page C-2, Section C1.5.1. Change from "lead-containing paint as 0.06%" to "lead-containing paint as 0.009%".

3.7.1.2 SFLC Std Spec 6310, page 4, Section 2 References, Group- Other References. Add “The Society for Protective Coatings (SSPC) Paint Application Guide No. 11, 2008, Protecting Edges, Crevices, and Irregular Steel Surfaces by Stripe Coating”

3.7.1.3 SFLC Std Spec 6310, page Appendix C-6, add "Hempel Hempadur Multi-Strength GF 35870" with FED- STD-595 color "Black/Red" under ANTI-ABRASION COATING, ICE BREAKING CAPABLE VESSELS, <235’.

3.7.1.4 Standard Spec 6310, page Appendix A-7, Under "UNDERWATER (U/W) BODY/BOOT-TOP", Add line Column 1: Option for U/W Body and Boot-Top, Steel Hulls, <154', in Salt Water. Column 2: Blank. Column 3:

SSPC-SP 10/NACE NO. 2 using grit conforming to MIL-A-22262 / (1.5-3.5) - or - SSPC-SP WJ-2(M)/NACE WJ-2(M). Columns 4 and 5: Same as "U/W Body and Boot-Top, Aluminum Hull, High Speed (>30 knots)".

3.7.2 SFLC Standard Specification 0000 General Requirements.

xii (Rev-0)

3.7.2.1 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.”

3.7.2.2 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)).”

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.

xiii (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

xiv (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

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 |

xv (Rev-0)

QA-3a - QUALITY ASSURANCE INSPECTION FORM

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

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-1/NACE WJ-1

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP WJ-3/NACE WJ-3

SSPC-SP WJ-4/NACE WJ-4

SSPC-SP-3

SSPC-SP-11

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

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

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

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

xvi (Rev-0)

QA-3b - QUALITY ASSURANCE INSPECTION FORM

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

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP 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).

xvii (Rev-0)

QA-4 - QUALITY ASSURANCE INSPECTION FORM

(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)

SOLUBLE SALT CONDUCTIVITY Measurements IAW SSPC-GUIDE 15.

DATE TEST LOCATIONS CONDUCTIVITY (MICROSIEMENS/CM)

xviii (Rev-0)

QA-5 - QUALITY ASSURANCE DATA FORM

(COATING THICKNESS)

(Use one sheet for each sequence)

COATING MFG PRODUCT NAME BATCH

INDUCTION

TIME

COATING SYSTEM SEQUENCE

(PRIMER/TOUCHUP/3RD COAT, ETC.)

Dry Film Thickness (DFT) Measurements IAW SSPC-PA 2.

SPOT 1 2 3 4 5 AVERAGE

VALUE

*BASE METAL READING

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

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

1 AVG. BMR DEVIATION

1 AVG. BMR DEVIATION

APPLICATION METHOD (AIRLESS, CONVENTIONAL SPRAY,

ROLLED)

AVERAGE DFT

2 (Rev-0)

51700_JAH_0515_378W

WORK ITEM 1: Boiler, 5 Year Certification, Perform

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to conduct the 5 year strength and integrity inspections on the auxiliary boilers.

1.2 Government-furnished property.

MTI ITEM DESCRIPTION NSN/PN QTY ESTIMATED

COST

($/UNIT)

Y Boiler Safety Valve 2

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 378-FRAM-W 801-1, Rev J, Booklet of General Plans

COAST GUARD PUBLICATIONS

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 Coast Guard Technical Publication (TP) 3273, Manufacturers Instruction Book, SWBS

Group(s) 517-529

OTHER REFERENCES

Code of Federal Regulations (CFR) Title 46, Part 61, Periodic Tests and Inspections Code of Federal Regulations (CFR) Title 46, Part 63, Automatic Auxiliary Boilers

REQUIREMENTS

3.1 General.

3 (Rev-0)

3.1.1 CIR.

Not Applicable.

3.1.2 Tech Rep. The Government shall provide the services of qualified Tech Rep, who is familiar with the boilers, to accomplish the following tasks – on site:

• Inspect boiler internal surfaces for deterioration.

• Verify proper operation of automatic boiler control system.

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.

3.1.3.1 Where valves are removed, install blank flanges with gaskets over the pipe openings, securing with at least four bolts, 90 degrees apart for valves with flanged connections. The blank flanges shall be at least 1/4" thick. For valves without flanged connections, install cap to pipe openings. Temporarily disconnect any remote operators and piping attached or connected to affected valves.

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 The cutter is equipped with two (2) Johnston Model 509S-4PC fire tube type auxiliary boilers. The intent of this item is to conduct the five (5) year strength and integrity inspections on each of the boilers.

3.1.6 Conduct repairs on only one boiler at a time to allow the ship to maintain steam services during the duration of each boiler repair.

3.2 Preparation For Boiler Inspection. The Contractor shall perform the work on each of the cutter’s two (2) boilers.

3.2.1 Drain each boiler. Dispose of the boiler water in accordance with all related local, state, and federal regulations. It is anticipated that approximately 250 gallons of treated water will be drained from each boiler.

3.2.2 Disassemble each boiler to allow complete access to the boiler firesides and water sides.

This will require removing the front and rear covers, the burner assembly, and any other appurtenances that interfere with these removals. Remove the hand hole plates, the wash-out plugs and the water column connections.

3.2.3 Wash the waterside interior of each boiler with clean, fresh water. Collect the wash water and properly dispose of it in accordance with all federal, state, and local regulations.

3.2.4 Remove lagging pads on the boiler nozzles, surface and bottom blow connections, boiler safety valve connections, and other off-stickers to allow for inspection. Reinstall the lagging pads after completion of inspections.

4 (Rev-0)

3.3 Boiler Cleaning. The Contractor shall mechanically clean the firesides of each boiler. Wire brush or otherwise mechanically clean the internal surfaces of the fire tubes. Remove all debris.

Vacuum up and dispose of all soot.

3.3.1 Clean and inspect the low water cutoff.

3.4 Burner Head Inspection. The Contractor shall perform the following tasks:

3.4.1 Disassemble and clean the burner heads.

3.4.2 Clean and inspect the burner nozzles.

3.4.3 Inspect the burner cone on each boiler for damaged refractory.

3.4.4 Reinstall the burner head on each boiler upon completion of other boiler repairs.

3.5 Boiler Inspection. The Contractor shall perform a thorough inspection of each boiler, both internally and externally. Verify that the boilers are fit for continued service. Inspections shall be conducted under guidance of the GFM technical representative.

3.5.1 Conduct ultrasonic thickness inspections of the boiler shells to determine remaining shell thickness and verify that shell thickness is adequate.

3.6 UT And PT Readings On Boiler Mounts. The Contractor shall perform the following work:

3.6.1 Disconnect and remove the sheathing and insulation around the entire boiler shell.

3.6.1.1 In the presence of the Boiler Inspector and the COR, conduct ultrasonic thickness (UT) readings in the areas of the boiler mounts to determine any suspected deterioration.

3.6.2 Record the UT readings and compare to the design thickness of the boiler shell in these areas.

3.6.3 In the presence of the Boiler Inspector and the COR, conduct dye-penetrant (PT) checks in the weld areas of the boiler mounts and on the mount flange welds on each mount flange to determine there is no cracking.

3.6.4 Record the PT readings and verify that there is no indication of cracking. Submit all results in a CFR.

3.6.5 Upon completion of other work, provide and install new insulation and galvanized steel sheathing around the entire boiler shell.

3.7 Boiler Manual Valve Renewal. The Contractor shall perform the work listed below on each of the valves listed in the table above. The quantities listed are for each boiler. The boilers have several valves attached to mounts on the boilers. Each of these valves is to be renewed. Further information on the valves is given in the table below and in the technical manual for the boiler.

5 (Rev-0)

TABLE 1 – BOILER MANUAL VALVE RENEWAL

PC. NO. NAME NO. REQ’D PER

BOILER

MAT’L MANUFACTURER REMARKS

Blow Off Valve 1 Flanged Steam Stop Valve 1 Flanged Feed Stop 1 Flanged Feed Check 1 Flanged Salinometer Valve 1 Flanged Surface Blowoff Valve 1 Flanged Air Vent Valve 1 Flanged

3.7.1 Disconnect the valves stop valves listed in the table above from the boilers. Valves are union fitted in place.

3.7.2 Prior to installing the new valves, hydrostatically test each of the new valves in the presence of the Coast Guard Inspector. Conduct valve body hydrostatic test and demonstrate seat tightness on each valve.

3.7.2.1 Hydrostatic tests of the valve body/shell will be conducted with the valve in the open position to 150% of system operating pressure (but not less than 50 psig) for 3 minutes. No allowable leakage.

3.7.2.2 Hydrostatic tests for seat tightness will be conducted with the valve in the closed position (in the direction tending to open valve) with opposite side open for inspection. Test shall continue for three minutes, if there is no evidence of leakage or, in the event of visible leakage, until accurate determination of leakage can be made. Seat tightness test pressure shall be the normal operating pressure but not less than 50 psig. Maximum allowable leakage rate for metal to metal seated valve: 10 cubic centimeters (CC) per hour, per inch of nominal pipe size.

3.7.2.3 Valves which have been overhauled and which fail to pass the hydrostatic and tightness test leakage/tightness criteria shall be overhauled, again and tested at the Contractor's expense.

Valves which fail the second test may be the subject of a contract change. Renewal valves which fail to pass the hydrostatic and tightness test leakage/tightness criteria shall be renewed with new valves and tested at the Contractor's expense.

3.7.3 Provide and install new valves to replace the existing valves. Install the new valves with new gaskets and seals.

3.8 Feed System And Fuel Oil System Valve Renewal. The Contractor shall renew each of the valves listed below. Further information on the valves is given in the table below and in the technical manual for the boiler. Perform the work listed below on each of the valves listed in Table 2. The quantities are for both boilers.

TABLE 2 – FEED SYSTEM AND FUEL OIL SYSTEM VALVE RENEWAL

PC. NO. NAME NO. REQ’D PER

BOILER

MAT’L MANUFACTURER REMARKS

Oil Solenoid Valve 4

3.8.1 Disconnect the valves listed in the table above from the boilers. Valves are flanged fitted

6 (Rev-0) in place.

3.8.2 Provide and install new valves to replace the existing valves. Install the new valves with new gaskets and seals.

3.8.3 Prior to installing the new valves, hydrostatically test each of the new valves in the presence of the Coast Guard Inspector. Conduct valve body hydrostatic test and demonstrate seat tightness on each valve. Test criteria are as discusses previously in this specification item.

3.8.3.1 For the water relief valve, set and adjust the set point. Demonstrate that the valve is set at the proper pressure to the COR by testing in the shop. This valve may be tested with water.

Provide and install a tag on the valve showing the set point and the date the valve was set.

3.8.3.2 The oil relief valve is to be provided with a factory set point and label plate.

3.9 Renew And Test Boiler Safety Valves. The Contractor shall perform the following to each boiler’s one (1) safety valve. Valves are size 1-1/2" x 1 1/2". The valves are cast steel and are set at 150 psig.

3.9.1 Disconnect and remove the steam safety valve from each boiler.

3.9.2 At a suitable testing facility, disassemble, clean, inspect, overhaul, pressure test, and set the safety valves to the lifting pressure indicated in the technical manual.

3.9.2.1 Inspect all valve openings for obstructions and damage to the valve seat, disc, and body.

3.9.2.2 Clean the valve of foreign matter including, but not limited to, dirt, scale, rust, grease, and marine growth. Clean valve discs and seats to bright metal without injuring parts.

3.9.2.3 Check valve stem for trueness and realign them as necessary. Straighten stem to within

0.002 inch total indicator reading, as required. Polish stem to a 32 Root-Mean Square (RMS) finish and remove raised edges and foreign matter.

3.9.2.4 Lap and spot-in metallic disc to seat to obtain a 360 degree continuous contact between the disc and seat. If additional work is required to achieve a continuous seat, such as building up by welding, submit a CFR. Verify proper valve seating by spotting-in with bluing compound in the presence of the Coast Guard Inspector.

3.9.2.5 Clean, chase, and tap valve stem threads and exposed threaded areas.

3.9.2.6 Dress and true gasket mating surfaces.

3.9.3 Reassemble the valve. Remove all packing and renew it in kind with new packing of the same size and type as that removed.

3.9.3.1.1 Renew seals, gaskets, packing, and disc nuts in kind and in accordance with manufacturer's specifications.

3.9.4 The government reserves the right to provide new valves in way of the repaired valves if repairs are deemed not cost effective.

7 (Rev-0)

3.10 Bench Test Safety Valve. In the presence of Coast Guard Inspector, the Contractor shall shop test and set the valve to the correct lifting pressure as specified in the referenced drawing.

Using saturated steam as a test medium, simulate system temperature and pressure, and bring the test pressure to 10 psi below the relief or safety valve operating pressure. Slowly raise the test pressure to the set relief or safety pressure setting, and record the pressure where the valve provides relief or the safety valve lifts.

CAUTION

During testing and relief valve setting, do not allow the test pressure to exceed the safety valve set point by more than 10 psi for longer than a few seconds.

3.10.1 Reset and retest the valve if the valve does not function properly. If Safety or Relief valves are found to require additional repairs or renewal, submit a CFR.

3.10.2 Provide the Coast Guard Inspector with Condition Found Report documenting the test pressure and relief pressure (lifting pressure) for the valve. Affix a metal tag (brass plate), using lock wire, to the valve showing the following information:

• Ship name and hull number.

• Valve number or identification.

• Valve lifting pressure.

• Valve operating pressure.

• Date valve tested and set.

• Name and location of repair facility (Contractor).

3.10.3 Upon completion of shop work, remove blank flanges, pipe plugs, etc. and clean, dress, and true gasket mating surfaces.

3.10.4 Reinstall the overhauled safety valve in its correct location aboard the ship along with any removed piping or interferences in the presence of the Coast Guard Inspector. Renew gaskets and seals in kind. Use new flange bolting to reinstall the relief valve.

3.10.5 Adjust the remote operating gear and demonstrate that it operates smoothly to the Coast Guard Inspector.

3.11 Verifying safety valve set point. The Contractor shall perform this work after completion of other valve work involved in this specification item and after completion of all hydrostatic testing.

3.11.1 Remove lock wires and tags, slowly open isolation valves, and inspect the relief valve for leaks with the affected system at normal operating pressure and temperature. No leakage is allowed. Correct any deficiencies found and retest.

3.11.2 Test operate the safety valve by raising steam system pressure to verify that the valve operates properly. The Contractor is responsible for correcting any leaks discovered in the disturbed working areas. Pop test the boiler safety valves after the valves have been reinstalled on the boiler. Ensure that the valves lift at the proper set-point. Follow directions given in Section 6.8 of the technical manual. Submit a Condition Found Report.

8 (Rev-0)

3.12 Water level gage glass. The Contractor shall perform the following tasks:

3.12.1 Disconnect the water level gage glass assemblies from each boiler.

3.12.2 Disassemble and clean all parts of the water level gage glass assemblies.

3.12.3 Renew the following parts for each water level gage glass assemblies:

TABLE 3 - BOILER MANUAL VALVE RENEWAL

PC. NO. NAME NO. REQ’D PER

BOILER

MAT’L MANUFACTURER REMARKS

Water Gage Shut-Off Valve 2 1/2 inch Water Column Blow Down

Valve 1 1/2 inch

Water Gage Glass Drain Valve 1 1/2 inch

**The valves listed in the table above are union ended valves.

NOTE

Ship’s force will verify that the valves above are union end vice welded in place.

3.12.4 Reassemble each of the water level gage assemblies using new gaskets.

3.12.5 Reinstall each of the water level gage assemblies on the boilers.

3.13 Water level probe. The Contractor shall remove the water level probe assembly on the top of each boiler. Clean and inspect the water level probes. Clean and inspect the flange connection on the top of the boiler drum. Reinstall the water level probe assemblies using new gaskets upon completion of other boiler work.

3.14 Calibration of pressure gages. The Contractor shall remove the following pressure gages from each boiler. Transport the pressure gages to the shop. Calibrate each pressure gage. Affix a sticker to the inside of the face plate of each pressure gage showing the date the pressure gage was calibrated. Return the pressure gages to the ship and reinstall them in their original locations.

A total of eight (8) pressure gages, four per boiler are involved. The pressure gages are listed below:

• Steam Pressure Gage

• Fuel Oil Supply Pressure Gage

• Feed Pressure Gage

• Fuel Oil Return Pressure Gage

3.15 Test performance. All acceptance tests shall be performed in the presence of the Coast Guard Inspector. Provide a written report to the Coast Guard Inspector of all test results within one week of test completion.

3.15.1 Hydrostatic testing of the boilers will be conducted as described in Section 6.7 of the technical manual. The contractor will supply heated water (between 70 and 120 deg. F) to

9 (Rev-0) conduct hydrostatic testing of the boilers. Lagging on the boiler casing will not be removed beyond what is directed by the specification item unless additionally directed by the boiler inspector. Any additional lagging removal will be subject of a contract modification.

3.15.2 The hydrostatic test pump used shall be supplied with a calibrated pressure gage suitable for the pressure being tested.

3.16 Hydrostatic Testing At 150% Of Design Pressure. The Contractor shall, prior to reinstalling the boiler safety valves, conduct a strength and integrity hydrostatic test on each boiler.

Hydrostatically test each boiler to 225 psig using heated fresh water. (Water temperature to be above 70 deg. F) Conduct the hydrostatic test in the presence of the boiler inspector and the

COR.

3.16.1 Identify any leaks or weeping tubes or hand hole plates.

3.16.2 After completion of the hydrostatic test, drain the boilers. Reopen the boilers and inspect the boilers for any indication of damage.

3.16.3 Any damaged areas of the boilers will be repaired prior to reassembling the boilers.

Damage repairs and additional hydrostatic testing to prove the repairs will be the subject of a contract modification.

3.17 Boiler reassembly. After completion of boiler 150% hydrostatic testing, the Contractor shall flush the boilers with distilled/demineralized water.

3.17.1 Reassemble the boilers. Reinstall all components using new gaskets.

3.18 Boiler 100% tightness test. The Contractor shall fill each boiler with distilled/demineralized water. Dimineralized water shall meet the requirements listed below.

NOTE

Ship’s force will sample the feedwater as it is received and ensure that it meets the requirements.

TABLE 2 – SHORE PROCESS FEEDWATER REQUREMENTS

CONSTITUENT OR PROPERTY REQUIREMENT

Conductivity 2.5 umho/cm max (at point of delivery) Silica 0.2 ppm max

3.18.1 Conduct a final hydrostatic test on each boiler at design operating pressure. Ensure that there are no leaks and that all gaskets are holding tight.

3.19 Inspect automatic control system. The Contractor shall provide a service technician to service, inspect, and adjust the boiler automatic control system on each boiler.

3.19.1 Vacuum clean the boiler control cabinet.

3.19.2 Adjust each of the automatic controls.

10 (Rev-0)

3.19.3 Demonstrate to the boiler inspector and to the COR that each of the automatic controls functions properly.

3.19.4 For bidding purposes, assume that 2 days will be required to adjust and service the automatic controls on each boiler, for a total of 4 days service time.

3.20 Regulating valve Overhauls. The Contractor shall perform the following work:

As a part of the work in this specification item, each of the two 100/50 steam reducing valves located above the boilers will be overhauled. The reducing stations are 2-1/2" bronze body Leslie type LNC valves.

The two (2) No. 1 Reducing Station valves have been changed to steel body valves. Other valve information and detailed overhaul procedures remain as described below.

3.20.1 Disconnect and remove each of the two (2) designated steam reducing stations.

3.20.2 Transport each of the valves to the shop.

3.20.3 Disassemble and clean each reducing valve. Lay out all parts for inspection by the Coast Guard Inspector.

3.20.4 Lap valve discs to valve seats.

3.20.5 Reassemble each valve using new gaskets and fasteners.

3.20.6 Reducing Station Set Prior to Reinstallation. In the presence of the Coast Guard Inspector, shop test and set valve’s regulating pressure and temperature using clean fresh or system fluid. Set pressure to be provided by the Coast Guard Inspector. Nitrogen or air may be used to test vice steam.

3.20.7 Transport each valve to the ship and reinstall each valve in its original location. Use new gaskets and fasteners when installing each valve.

3.20.7.1 Clean all mating flange faces before reinstalling the reducing valves.

3.20.8 After adjustments to the reducing valves mentioned below have been accomplished, provide and install new lagging pads on the repaired reducing valves. Fabricate the new lagging pads in accordance with NSTM Chapter 635.

3.20.9 Reducing Station Adjustments

3.20.10 After reinstalling all of the steam system valves, adjust each of the reducing stations to the operating pressures specified in CG Dwg 378 FRAM-W 534-1.

3.21 Operational test. The Contractor shall verify proper operation of the components or systems affected by this work. During this testing, run the equipment through its full range of capabilities in all configurations and operating modes.

11 (Rev-0)

NOTE

Ship's force will operate each boiler for a minimum of 4 hours.

3.22 Lagging…