USCGC_BERTHOLF_UPDS_JULY_BAE_REV_0.doc
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- HSCG85-11-R-P45ML1
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Specifications for Dockside Repairs CGC BERTHOLF
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USCG (WMSL-418) DOCKSIDE AVAILABILITY 2011
USCGC BERTHOLF (WMSL 750)
SPECIFICATION FOR DOCKSIDE REPAIRS
Developed By: Barnes, Anthel LT (Rev-0, 04 May 2011)
TABLE OF CONTENTS
iiiRevisions Record ivConsolidated List of References viiConsolidated List of Government-furnished Property viiiConsolidated List of Critical Inspection Items ixGeneral Requirements
1WORK ITEM 1: Engine Telegraph Panel Relocation
10WORK ITEM 2: Stern Tube Seawater Supply Piping Modifications
24WORK ITEM 3: Fire Pump Impeller; Upgrade
28WORK ITEM 4: Tanks (JP-5 Service and Stowage ), Clean and Inspect
32WORK ITEM 5: Deck Covering (Wet/Dry), Renew
34WORK ITEM 6: MP Air Compressor Signal Cables Replacement
39WORK ITEM 7: Refrigerant Monitor Panel Modification
45WORK ITEM 8: Refrigeration System; Repair
49WORK ITEM 9: Deck Covering (Carpeting), Renew
52WORK ITEM 10: Refrigeration S/W Cooling Flex Hose Assemblies, Renew
56WORK ITEM 11: Single Point Davit Level 1 Annual Inspection
65WORK ITEM 12: Ventilation Duct; Cleaning (Fore and Aft. Laundry)
71WORK ITEM 13: Stern Ramp Cleaning and Maintenance
75WORK ITEM 14: Fire Hoses Hydrostatic Test
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.
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 or 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 Guar d Drawing 750-WMSL 101-4, Rev G , C & A, First Platform (ASC101004) Coast Guar d Drawing 750-WMSL 167-1, Rev C , Manhole List Installation and Fabrication Details, Coast Guard Drawing 750- WMSL 512 -1, Rev -, HVAC System Diagram (ASC512001) Coast Guard Drawing 750- WMSL 512 -505, Rev -, Ventilation Mods Incidental to Laundry No. 1 (1-28 Coast Guard Drawing 750- WMSL 512 -506, Rev -, Ventilation Mods Incidental to Laundry No. 2 (2-52 Coast Guard Drawing 750- WMSL 521 -1, Rev -, Diagram Firemain (ASC521001) Coast Guard Drawing 750- WMSL 583 -2, Rev -, Small Boat Stbd , Hdlg Sys, Arr & Details Coast Guard Drawing 750- WMSL 583 -500, Rev -, Boat Davit Modifications Coast Guard Drawing 750- WMSL 634 -1, Rev -, Deck Covering Schedule Coast Guard Drawing 750- WMSL 801 -1, Rev -, Booklet of General Plans ( Nsc 1 SRD ) Coast Guard Drawing 750-WMSL 202-23, Rev -, Propulsion Control, Transfer & Throttle Telegraph Coast Guard Drawing 750-WMSL 202-25, Rev -, Prpln Control, Transfer & Thrt Telegraph Sys Cable Coast Guard Drawing 750-WMSL 320-27, Rev -, Power System - Hook-Up Book (ASC320015) Coast Guard Drawing 750-WMSL 320-6, Rev -, Power Sys Deck Plan - AMR, MMR (Fwd & Aft), & Pump Coast Guard Drawing 750-WMSL 516-1, Rev -, A/C & Refrigeration Piping Diagram (ASC516001) Coast Guard Drawing 750-WMSL 516-31, Rev -, Refrigeration Piping Unit 3130 (ASC516313-Rf) Coast Guard Drawing 750-WMSL 516-34, Rev -, A/C & Refrigeration Piping Diagram WMSL 750 Onl y Coast Guard Drawing 750-WMSL 516-34, Rev -, A/C & Refrigeration Piping Diagram WMSL 750 Only ( Coast Guard Drawing 750-WMSL 520-1, Rev -, Seawater Cooling System Diagram (ASC520001) Coast Guard Drawing 750-WMSL 520-10, Rev -, Salt Water Cooling Unit 2310 (ASC520231-SW) Coast Guard Drawing 750-WMSL 520-11, Rev -, Salt Water Cooling Unit 2320 (ASC520232-SW) Coast Guard Drawing 750-WMSL 520-13, Rev -, Salt Water Cooling Unit 3110 (ASC520311-SW) Coast Guard Drawing 750-WMSL 520-500, Rev -, Stern Tube Seawater Piping Modifications Coast Guard Drawing 750-WMSL 583-4, Rev -, Stern Launch & Recovery Arrangement & Details (Asc Coast Guard Drawing 750-WMSL 801-1, Rev -, Booklet of General Plans (Nsc 1 SRD) Coast Guard Drawing 750-WMSL 85-4, Rev -, Tank Capacity Curves (WMSL 750 Only) (ASC085013) Coast Guard Drawing FL 8201 -93, Rev -, Single Point Davit Hook Assemblies, Davit Rating 4
COAST GUARD PUBLICATIONS
Coast Guard Commandant Instruction (COMDTINST ) M9000.6 , Oct 2004, Naval Engineering Manual ( NEM ) , Chapters 556 and 613 Coast Guard Commandant Instruction (COMDTINST) M10360.3C, Change 1, Jun 2006, Coatings and Color Manual Coast Guard Commandant Instruction (COMDTINST) M10360.3, Jun 2006, Coatings and Color Manual Coast Guard Commandant Instruction (COMDTINST) M9000.6, Oct 2004, Naval Engineering Manual (NEM) Coast Guard Technical Publication ( TP ) 3978, 01-SEP-05, Cutter Boat - Over the Horizon - Model H733 Io Oth Boat Coast Guard Technical Publication ( TP ) 7003, 30-MAY-07, Boat Davit - Model DC-8600CTS Coast Guard Technical Publication ( TP ) 7014, 04-OCT-07, End-Suction Pumps (Close Coupled) Coast Guard Technical Publication (TP) 3524, 07-JAN-97, Manufacturer's Instruction Book-SWBS Group(s)(s) 243-262 Coast Guard Technical Publication (TP) 7 525 XXXXXXXXX Need tech pubs in SPECREF .
Coast Guard Technical Publication (TP) 7008, 30-MAY-07, Refrigerant Monitor Parasense - Model 3300FSV-N Coast Guard Technical Publication (TP) 7034, 31-MAY-07, Stern Tube Seal - Type M9 Coast Guard Technical Publication (TP) 7055, 08-JUN-07, Engine Telegraph System Mts-5 Coast Guard Technical Publication (TP) 7116, 22-JUN-07, Air Compressor - Model WP65L Coast Guard Technical Publication (TP) 7168, 19-OCT-07, 3.2 Refrigeration Ships Store Plant Naval Ship's Technical Manual ( NSTM ) Chapter 510, May 2006, Heating, Ventilating and Air Conditioning Systems for Surface Ships NAVSEA Dwg 803-6397256, Access, Covers, Ventilation Quick Acting Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Surface Forces Logistics Center Standard Specification 3020 (SFLC Std Spec 3020), Jan 2009, Overhaul AC Electrical Motors in-Shop Surface Forces Logistics Center Standard Specification 3041 (SFLC Std Spec 3041), Jan 2009, Shipboard Electrical Cable Test Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), Jan 2 Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), Jan 2009, Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), Jan 2009, Shipboard Electrical Cable Removal, Relocation, Splice, Repair, And Installation Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), Jan 2009, Inspect, Repair, And Test Auxiliary Machine Systems Surface Forces Logistics Center Standard Specification 5100 (SFLC Std Spec 5100), Jan 2009, Clean Shipboard Ventilation Systems Surface Forces Logistics Center Standard Specification 6341 (SFLC Std Spec 6341), Jan 2009, Install New Deck Covering Systems The Society for Protective Coatings ( SSPC ) Paint Application Specification No. 1 ( SSPC -PA Guide 1), 2004, Shop, Field, And Maintenance Painting of Steel The Society for Protective Coatings ( SSPC ) Paint Application Specification No. 3 ( SSPC -PA Guide 3), 1995, A Guide to Safety in Paint Application
OTHER REFERENCES
ASTM International (ASTM) A53, 2005, Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated Welded and Seamless ASTM International (ASTM) B466, 2007, Standard Specification for Seamless Copper-Nickel Pipe and Tube ASTM International (ASTM) D4417, 2003, Standard Test Methods for Field Measurement of Surface Profile of Blast Cleaned Steel ASTM International (ASTM) F1836M, Reapproved 2007, Standard Specification for Stuffing Tubes, Nylon and Packing Assemblies (Metric) ASTM International (ASTM) F683, 2008, Standard Practice for Selection and Application of Thermal Insulation for Piping and Machinery.
Coast Guard Sketch WMSL-750 CLASS CUTTER – LAUNDRY 1 & 2 EXHAUST VENTILATION SYSTEM SKETCH, Sheet 1 – 4 Code of Federal Regulations (CFR) Title 29, Part 1910, Subpart T, 2009, Commercial Diving Operations Code of Federal Regulations (CFR) Title 33 CFR, 2008, Navigation and Navigable Waters Code of Federal Regulations (CFR) Title 40, Chapter I, 2008, Environmental Protection Agency Code of Federal Regulations (CFR) Title 49, Chapter I, 2008, Pipeline and Hazardous Materials Safety Administration, Department Of Transportation Commercial Item Description (CID) A-A-59316, Nov 2003, Abrasive Materials for Blasting DOD-STD-2003-3, Dec 1990, Not 1, Electric Plant Installation, Standard Methods for Surface Ships & Submarines (Penetrations), Section 3 Federal Specification (Fed Spec) DDD-C-95, Mar 1972, Carpets and Rugs, Wool, Nylon, Acrylic, Modacrylic Federal Specification (Fed Spec) HH-P-151, Mar 1991, Packing; Rubber-Sheet, Cloth Insert Federal Specification (Fed Spec) QQ-N-281, Oct 1985, Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections Federal Specification (Fed Spec) QQ-N-281, Oct 1985, Nickel-Copper-Aluminum Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, And Structural and Special Shaped Sections MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning MIL-DTL-15024, Nov 1997, Plates, Tags and Bands for Identification of Equipment, General Specification for MIL-DTL-24643, Aug 2007, Cables and Cords, Electric, Low Smoke, For Shipboard Use, General Specification for MIL-PRF-1149, Jun 1998, Gasket Materials, Synthetic Rubber, 50 and 65 Durometer Hardness MIL-STD-1623, Dec 1981, Fire Performance Requirements and Approved Specifications for Interior Finish Materials and Furnishings MIL-STD-1627, Sep 1994, Bending of Pipe or Tube for Ship Piping Systems MIL-STD-1689, Nov 1990, Fabrication, Welding and Inspection of Ships Structure MIL-STD-22, Mar 1991, Welded Joint Design NAVSEA Dwg 803-1385866, Penetrations; Bulkhead and Deck NAVSEA Dwg 804-1385781, Pipe Hangers for Surface Ships (Superseding NAVSEA Dwg. 810-1385781) NAVSEA Dwg 804-5959214, Insulation, Piping Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2007, Cork and Rubber Composition Sheet; For Aromatic Fuel And Oil Resistant Gaskets Surface Forces Logistics Center Standard Specification 6341 (SFLC Std Spec 6341), Jan 2009, Install New Deck Covering Systems The Society for Protective Coatings (SSPC) VIS 1, 2004, Guide and Reference Photographs for Steel Surfaces Prepared by Dry Abrasive Blast Cleaning The Society for Protective Coatings SSPC-SP 1, 11/1/2004; Solvent Cleaning The Society for Protective Coatings SSPC-SP 3, 11/1/2004; Power Tool Cleaning
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.
| MTI |
| ITEM DESCRIPTION |
| NSN/PN |
| QTY |
| ESTIMATED COST |
($/UNIT)
| N |
| IMPELLER |
| 002-1110F03-282 8-3/4" |
| 1 |
| $1,870.00 |
| N |
| WEAR RING |
| 007-05-004-305 |
| 1 |
| $386.00 |
| N |
| WEAR RING |
| 007-05-004-305 |
| 1 |
| $386.00 |
| N |
| SHAFT SLEEVE |
| 014-1630004-320 |
| 1 |
| $710.00 |
| N |
| CAPSCREW - IMPELLER |
| 804-0500-08-320 |
| 1 |
| $18.00 |
| N |
| WASHER - IMPELLER |
| 028-1430001-320 |
| 1 |
| $147.00 |
| N |
| KEY - IMPELLER |
| 032-37-2000-320 |
| 1 |
| $52.00 |
| N |
| THROTTLE BUSHING |
| 063-1630002C379 |
| 1 |
| $172.00 |
| N |
| GASKET – SLEEVE |
| 073-1430002-433C |
| 1 |
| $3.00 |
| N |
| GASKET – IMP. WASHER |
| 073-1430001-433C |
| 1 |
| $3.00 |
| N |
| O-RING |
| 700-273-433C |
| 2 |
| $12.00 |
| N |
| O-RING |
| 700-031-433C |
| 1 |
| $2.00 |
| N |
| O-RING |
| 700-014-433C |
| 1 |
| $2.00 |
| N |
| O-RING |
| 700-238-433C |
| 1 |
| $3.00 |
| N |
| MECHANICAL SEAL |
| 091-212-99-0002 |
| 1 |
| $1,697.00 |
| N |
| SETSCREW |
| 864-10-02-320 |
| 4 |
| $8.00 |
| MTI |
| ITEM DESCRIPTION |
| QTY SQFT |
| ESTIMATED COST |
($/UNIT)
| N |
| MC210 Sierra Tweed |
| 1360^2 |
| MTI |
| ITEM DESCRIPTION |
| NSN/PN |
| QTY |
| ESTIMATED COST |
($/UNIT)
| Y |
| Cutter Boat Trailer |
| N/A |
| 1 ea. |
| N/A |
Consolidated List of Critical Inspection Items
NONE
00000_PWB_0211_FLT
REC_0000_FLT_ Commercial Project @ CG Facility (0211) General Requirements
1. SCOPE
1.1 Intent. This item describes the general requirements to be followed by the Contractor while conducting this availability.
2. REFERENCES
Coast Guard Drawings None.
Coast Guard Publications Coast Guard Commandant Instruction (COMDTINST) M10360.3C, Change 1, Jun 2006, Coatings and Color Manual Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Other References ASTM International (ASTM) D4417, 2003, Standard Test Methods for Field Measurement of Surface Profile of Blast Cleaned Steel Commercial Item Description (CID) A-A-59316, Nov 2003, Abrasive Materials for Blasting Code of Federal Regulations (CFR) Title 33 CFR, 2008, Navigation and Navigable Waters Code of Federal Regulations (CFR) Title 40, Chapter I, 2008, Environmental Protection Agency Code of Federal Regulations (CFR) Title 49, Chapter I, 2008, Pipeline and Hazardous Materials Safety Administration, Department Of Transportation MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning The Society for Protective Coatings (SSPC) VIS 1, 2004, Guide and Reference Photographs for Steel Surfaces Prepared by Dry Abrasive Blast Cleaning
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.
3.2 Contractor-provided fire watch personnel. The Contractor shall provide fire watch personnel and equipment.
3.3 Welding and brazing requirements. The Contractor shall perform all welding and allied processes, and NDI in accordance with SFLC Std Spec 0740.
3.4 HW disposal. The Contractor shall be responsible for all hazardous wastes generated by work under this contract. Label and package all hazardous wastes in 49 CFR-approved containers, and in accordance with all other applicable Federal, state, and local laws and regulations. In addition, comply with applicable parts of 40 CFR 262, applicable to handling of hazardous wastes.
3.4.1 Along with the Government, the Contractor shall be contractually considered the co-generator of all hazardous wastes; be aware that the Government will make available its facility’s EPA Generator Identification (ID) Number for manifesting of hazardous wastes.
3.4.2 The Contractor shall identify, arrange, and be responsible for the turnover of all hazardous wastes, within the confines of the Coast Guard shore facility, to the facility’s HM/HW Coordinator. Notify the ship’s HW Coordinator prior to any transfers of HW from ship to shore.
3.4.3 The Contractor shall prepare a manifest of hazardous waste to be reviewed and signed by the HM/HW Coordinator. Contact the HM/HW Coordinator for turnover of any hazardous waste; in addition, notify the COTR in writing 24 hours prior to any waste removals, and ensure that waste removals are conducted during normal business hours (0800-1600) on Monday through Friday (excluding holidays).
3.4.4 The Contractor shall be aware of the following:
3.4.4.1 No Contractor or Subcontractor shall have the authority to sign a Hazardous Waste Manifest using the Coast Guard facility’s EPA Generator ID Number or remove contract generated hazardous waste from the Coast Guard facility without COTR or KO-approval.
3.4.4.2 Local environmental regulations at the Government facilities may be more stringent than in many jurisdictions. As with all environmental regulations, it is the Contractor's responsibility to research, prepare for, and comply with local and state regulations.
3.4.4.3 Coast Guard facilities do not have Facilities Response Plans (see 33 CFR 154 Subpart F). It is the Contractor’s responsibility to furnish the Facility Response Plan (FRP) when required for over-the-water liquids transfers to and from vessels. This requirement is applicable to transfers to/from vessels with an oil/fuel capacity of 250 barrels or more.
3.5 Pre-surface preparation test coupon. In order to ensure production of required surface profile, the Contractor shall accomplish the following tasks, whenever abrasive-blasting is required in a work item that is deemed a ”critical-coated’ surface:
3.5.1 Coupon material and test set-up particulars.
3.5.1.1 Conduct a performance test on all abrasive blasting operations on a Contractor- provided test coupon, prior to starting abrasive blasting operations on the vessel. Ensure the following:
· The coupon shall be a new metal plate, of the same metal type and material properties as the vessel area to be blasted - steel or aluminum plate, as applicable, and shall have no existing anchor profile - other than the surface irregularities from the manufacturing process.
· The test coupon shall be flat, with nothing welded to the side used for the anchor profile test, no thinner than a 1/8-inch plate and measuring no smaller than 1-foot by 1-foot.
· For steel substrates, the coupon shall have the mill scale intact, and be in a Rust Grade "A" condition, in accordance with SSPC-VIS 1.
· The test coupon shall be affixed so as to not permit excessive movement during the performance test, but shall not be affixed to the vessel.
3.5.1.2 Ensure that the abrasive-blasting operation for the test coupon is conducted with the identical setup and parameters that will be used blasting the designated vessel surfaces – including, but not limited to:
· The abrasive media type and media size selected to achieve the anchor profile range, as specified in the applicable work items.
· Nozzle size and type (straight bore, high velocity nozzle, angle nozzle...).
· Delivery rate and pressure settings.
3.5.1.3 Blast a one-square foot area on one side of the test coupon to the abrasive surface preparation standard specified in the work item, and perform an anchor profile test of the blasted surface in accordance with ASTM D4417, Method B or C. Notify the COTR in advance of the abrasive blasting operation test, to permit the witnessing of the test by the COTR. Submit a CFR documenting the results of the abrasive blasting operation test. The CFR shall include at a minimum, the following:
· Area of the vessel for which the verified setup will be used to abrasive blast.
· The selected abrasive media type and size.
· The nozzle size and type.
· The delivery rate and pressure.
· The test coupon starting properties (material type and surface conditions).
· The resultant anchor profile readings from the test (a minimum of 3 locations, separated by a minimum of 2 inches shall be recorded).
NOTES
1. A performance test of the abrasive blasting operations on a test coupon and measuring the resultant anchor profile prior to performing the abrasive blasting operation on the cutter is required. The test coupon will be used to evaluate the anchor profile produced by the equipment setup and selected abrasive media.
2. The reverse side of the test coupon may be used for the subsequent test, provided that the conditions in paragraph 3.5.1 (Coupon material and test set-up particulars) are met.
3. Ultra high pressure water jetting does not create an anchor profile and is exempt from the anchor profile test coupon check.
3.5.1.4 Repeat the abrasive blasting operation test in the following instances:
· The equipment setup, that was evaluated during the test coupon abrasive blasting performance test in paragraph 3.5.1 (Coupon material and test set-up particulars), has changed.
· The resultant anchor profile readings observed on the vessel are outside the specified anchor profile range.
· Media is changed from MIL-A-22262 to CID A-A-59316 or vice versa.
· The supplier of the abrasive blasting media changes, regardless if the new source for the media has the same specifications.
· When Directed by the COTR.
CAUTION!
Ensure that blast media from the performance test does not strike the vessel during the test.
3.6 Interim changes to SFLC Std Spec 0000. The Contractor shall be aware of the fact that the requirements of paragraph 3.3.2.1.1 (Water depth) have been revised to read as follows:
“3.3.2.1.1 Water depth. Ensure that water depth is sufficient at the pier to allow the vessel's lowest underwater appendage to clear the bottom by at least two feet at:
· Ordinary low water mark on non-tidal rivers.
· At all tide conditions predicted during the availability for tidal rivers and other navigable waterways (Bay, Lake, etc.).”
4. NOTES
4.1 Access to COMDTINST M10360.3. The COMDTINST M10360.3 may be accessed at the following URL address: http://www.uscg.mil/directives/cim.asp
4.2 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in SFLC Std Spec 0000 to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this document.
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 COMDTINST M10360.3, Appendix C.
CHECKPOINT 2 - PAINT STORAGE
Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating mfgr.
CHECKPOINT 3 - AMBIENT CONDITIONS
Ensure surface and surrounding temperatures are each between 50 and 90°F for water-based coatings, and 35 and 95°F for other coatings, unless otherwise specified by the coating manufacturer(s).
Ensure maximum relative humidity (RH) is as follows, from surface preparations through final curing of topcoat: 50% for tanks, voids, and vent plenum; and 85% for all other areas, unless otherwise specified by manufacturer(s).
Ensure surface temperature is at least 5°F above the dew point, unless otherwise specified by the coating mfgr.
CHECKPOINT 4 - PRE-SURFACE PREPARATION
Remove surface contaminants (soluble salts, loose rust, mud, and marine growth) with low pressure fresh water wash down (maximum 5,000 psi). If oil and grease are present, perform solvent cleaning, as per SSPC SP-1.
Verify equipment setup, blast media, and surface preparation methods match designated test coupon.
CHECKPOINT 5 - SURFACE PREPARATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure cleanliness of prepared surface is as per specification (i.e.: SSPC SP-12, SP-11, SP-10…).
Verify surface anchor profile using ASTM D4417-Methods B or C against COMDTINST M10360.3. 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 |
QA-2 - QUALITY ASSURANCE INSPECTION FORM
(ENVIRONMENTAL READINGS)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
Use one sheet for each activity. Record conditions every four hours from before surface preparation to application of final coating system coat.
| DATE & TIME |
| ACTIVITY (Surface preparation, primer coat, barrier coat, top coat, etc…) |
| LOCATION (Frame & Deck, relation to equipment, etc.) |
| TEMPERATURE |
| % REL. HUMID-ITY |
| DEW PT. |
| SURFACE |
| AMBIENT |
| ΔT |
| DP - Surface |
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
QA-3a - QUALITY ASSURANCE INSPECTION FORM
(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-C)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
| Location of Work (Frame References) |
| Area (sqft) |
| SURFACE PREPARATION METHOD |
| PROFILE ACHIEVED (mils) |
| Min |
| Max |
| Mean |
SSPC-SP-10/NACE No. 2
SSPC-SP-12/NACE No. 5
SSPC-SP-3
SSPC-SP-11
SSPC-SP-11 (inaccessible area)
Brush-blasting (non-metallic substrate)
Abrasive Manufacturer and Sieve Size: _________________________________ Place surface profile replica tapes in the spaces provided below, to serve as permanent QA record. Maintain a separate log for each location. When an area is divided into separate sections, maintain a separate log for each section.
Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils
Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils
Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils
Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils
Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils Place Surface Profile Replica Tape Here Reading:__________ mils
Mean Mil Reading (IAW ASTM D4417-Method C) for above 15 readings: ______________
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
QA-3b - QUALITY ASSURANCE INSPECTION FORM
(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-B)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
| Location of Work (incl. frame #’s) |
| Area (sqft) |
| SURFACE PREPARATION METHOD |
| PROFILE ACHIEVED (mils) |
| Min |
| Max |
| Mean |
SSPC-SP-10/NACE No. 2
SSPC-SP-12/NACE No. 5
SSPC-SP-3
SSPC-SP-11
SSPC-SP-11 (inaccessible area)
Brush-blasting (non-metallic substrate)
Abrasive Manufacturer and Sieve Size: _________________________________ Record measurements taken in the spaces provided below, to serve as permanent QA record. Maintain separate log for each location. When an area is divided into separate sections, maintain a separate log for each section.
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Reading: |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
Mean Mil Reading (IAW ASTM D4417-Method B) for above 10 readings (by column):
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| _____ mils |
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
QA-4 - QUALITY ASSURANCE INSPECTION FORM
(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
| Location of Work (incl. frame #’s) |
| Area (sqft) |
SOLUBLE SALT CONDUCTIVITY Measurements IAW SSPC-GUIDE 15
| DATE |
| TEST LOCATIONS |
| CONDUCTIVITY |
(microsiemens/cm)
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
QA-5 - QUALITY ASSURANCE DATA FORM
(COATING THICKNESS)
(Use one sheet for each sequence)
| Vessel Name |
| Hull # |
| Work Item # |
| Work Item Title |
| Coating Mfg |
| Product Name |
| 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
| Avg. BMR |
| Deviation |
| Before Adjustments |
| After Adjustments |
Avg.
| SPOT |
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
Overall Avg. DFT
ADJUSTMENTS
| Avg. BMR |
| Deviation |
| Before Adjustments |
| After Adjustments |
Avg.
| SPOT |
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
Overall Avg. DFT
ADJUSTMENTS
| Avg. BMR |
| Deviation |
| Before Adjustments |
| After Adjustments |
Avg.
| Application Method (Airless, Conventional Spray, Rolled) |
| Average DFT |
| Name of QP-1/NACE Inspector |
| Signature |
| Cert. # |
| Date / Time |
ECXX_20200_JSP_0311_750
WORK ITEM 1: Engine Telegraph Panel Relocation
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to relocate Engine Telegraph Panel (MTS-5) from Starboard side to Port Side in Forward Main Machinery Room (5-44-01-E).
1.2 Government-furnished property.
None.
2. REFERENCES
Coast Guard Drawings Coast Guard Drawing 750-WMSL 202-23, Rev -, Propulsion Control, Transfer & Throttle Telegraph Coast Guard Drawing 750-WMSL 202-25, Rev -, Prpln Control, Transfer & Thrt Telegraph Sys Cable Coast Guard Publications Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 3041 (SFLC Std Spec 3041), Jan 2009, Shipboard Electrical Cable Test Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), Jan 2009, Shipboard Electrical Cable Removal, Relocation, Splice, Repair, And Installation Coast Guard Technical Publication (TP) 7055, 08-JUN-07, Engine Telegraph System Mts-5 Other References ASTM International (ASTM) F1836M, Reapproved 2007, Standard Specification for Stuffing Tubes, Nylon and Packing Assemblies (Metric)
3. REQUIREMENTS
3.1 General.
3.1.1 CIR
None.
3.1.2 Technical Representative..
Not applicable.
3.1.3 Protective measures. The Contractor shall furnish and install suitable covering to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces, contaminated due to improper protection, to original condition of cleanliness.
3.1.4 Interferences. The Contractor shall be aware that interferences in way of work include, but are not limited to the below-listed. Handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences):
Sheathing Bulkhead insulation Piping
3.1.5 The concerned work areas are shown in the table below. See the Coast Guard Drawings above, for guidance and details.
Table 3.1.5
| COMPARTMENT |
| location |
| 5-44-01-E |
| Forward Machinery Room |
| 2-52-1-E |
| Machinery Control Console |
3.1.6 Operational test - initial. Prior to commencement of work, the Contractor shall witness an operational pre-test (by Coast Guard personnel) in accordance with CG Tech Pub 7055.
3.2 Electrical requirements. The Contractor shall provide and install all electrical cables required by this work item.
3 2.1 Test all new and rerouted cables per SFLC Std Specification 3042.
3.2.2 Install cable tags on all new and rerouted cables in accordance with SFLC Std Specification 3041.
3.2.3 Penetrations into new electrical enclosures shall be through plastic stuffing tubes in accordance with ASTM F1836M.
3.2.4 All new cables shall be of unarmored construction with low smoke insulation conforming to MIL-DTL-24643. Cables that penetrate watertight decks or bulkheads below main deck shall be of watertight construction (e.g. LSTSGU, LSFSGU). Each cable shall be continuous from terminal end to terminal end with no splicing permitted.
3.2.4.1 The Contractor shall supply following materials listed in the Table 2.
TABLE 2 – bill of MATERIALS
| qnty |
| PART NUMBER |
| description |
| SUGGESTED SOURCE OF SUPPLY |
| 100 Ft |
| DXOW-3(MIL-C-24640/19) |
| Shipboard Cable, Watertight, Shielded, 600 Volt, 2 Conductors, 14 AWG. |
| ANIXTER CABLE |
| 100 Ft |
| FXOW-4 (MIL-C-24640/21) |
| Shipboard Cable, Watertight, Shielded, 600 Volt, 4 Conductors, 14 AWG. |
| ANIXTER CABLE |
| 100 Ft |
| 2XSOW-3 (MIL-C-24640/16) |
| Shipboard Cable, Watertight, O/A Shield, 600 Volt, 3 Shielded Pairs Conductors, 18 AWG. |
| ANIXTER CABLE |
| 6 Ft |
| 14 Gauge Hook wire |
| Ground Wire |
| ANIXTER CABLE |
| 1 |
| * NOTE |
| MS Connector with strain relief clamp |
| CON AIR CONNECTOR |
| 1 |
| * NOTE |
| MS Connector with strain relief clamp |
| CON AIR CONNECTOR |
| 1 |
| * NOTE |
| MS Connector with strain relief clamp |
| CON AIR CONNECTOR |
| 1 |
| * NOTE |
| MS Connector with strain relief clamp |
| CON AIR CONNECTOR |
*NOTE: The Contractor shall record MS Connector Part Number and pin configuration of the Connector from the existing cables. The Contractor shall supply and install new MS Connectors on to four new cables.
3.2.4.2 The contractor shall provide miscellaneous hardware required for electrical installation (i.e. Q Stuffing Tubes, Box Connectors, Lugs, Fasteners, Wire Nuts, Tape, Cable ties & Brackets) of new system).
3.2.5 Wiring installation methods and cable supports shall be in accordance with SFLC Std Specification 3041. Provide sufficient slack in cables to prevent undue stresses on terminal connections due to vibration. Terminate cable with ring type terminals. Spade type lugs shall not be used. No more than three wires shall terminate at any one terminal.
3.2.6 New wires grouped in harnesses, or single wires more than 12 inches in length (unless they are unique in color or size and can be traced visually from one end to the other), shall be marked for identification. Marking may be accomplished by stamping the identification symbol on the wire insulation, by sliding a sleeve type wire marker over the wire insulation. Marking shall be applied in a permanent manner, resistant to water, heat, oil, and abrasion.
3.3 Electrical cable removal. The Contractor shall remove following unshielded cables listed in the Table 3.3 in accordance with SFLC Std Specification 3042.
TABLE 3.3 – Cable removal
| cable no |
| cable type |
| from |
| to |
| K-PT15 |
| DXOW-3 |
| MTS-5 PANEL |
| Strobe Light |
| K-KT16 |
| DXOW-3 |
| MTS-5 PANEL |
| Horn |
| K-3PC1 |
| FXOW-4 |
| MTS-5 PANEL |
| MCC |
| K-3PC2 |
| 2XSOE-3 |
| MTS-5 PANEL |
| MCC |
3.3.1 Disconnect Shield wires at terminal block.
3.3.2 Disconnect and remove ground wire mounted from Panel to Bulkhead.
3.3.3 Record cable termination information of removed cables at MTS-5 Panel. This information will be required for installation of new cables at this panel.
3.3.4 Disconnect cables (K-PT15 & 16) at Blue Strobe Light & Horn mounted on the Bulkhead near Ship Service Switchboard No.2 at STBD Side of Forward Main Machinery Room (5-44-01-E).
3.3.5 Disconnect cables (K-3PC1& K-3PC2) at Machinery Control Console (MCC: 2-52-1-E). Record cable termination information of cables at MCC. This information will be required for installation of new cables.
3.3.6 Remove Engine Telegraph System Panel (MTS-5) from Bulkhead. (Note: This Panel will be relocated to Port Side).
3.4 Equipment installation. Fabricate mounting bracket or weld stud for mounting Engine Telegraph System Panel (MTS-5) to Bulkhead. Template mounting holes from the Panel.
3.4.1 Mount Engine Telegraph System Panel (MTS-5) on the Bulkhead near Port Side above Machinery Space Work Station Console (FO-MCMS) at Forward Main Machinery Room (5-44-01-E) with stainless steel hardware.
3.4.2 Install and terminate cable K-PT15 (DXOW-3) from Engine Telegraph System Panel (MTS-5) to Strobe light located at Starboard side of Forward Main Machinery Room (5-44-01-E). Install cable with nylon stuffing tube in accordance with ASTM F 1836 at one end and at other end install MS Connectors with strain relief clamp. Coast Drawing 750-WMSL-202-025 (Sheet 305, 306, 357 & 358) & 750-WMSL-202-023 shows wiring information.
3.4.3 Install and terminate cable K-PT16 (DXOW-3) from Engine Telegraph System Panel (MTS-5) to Horn Starboard side of Forward Main Machinery Room (5-44-01-E). Install cable with nylon stuffing tube in accordance with ASTM F 1836 at one end and at other end install MS Connectors with strain relief clamp Coast Drawing 750-WMSL-202-025 (Sheet 305, 306, 357 & 358) & 750-WMSL-202-023 shows wiring information.
3.4.4 Install and terminate cable K-3PC1 (FXOW-4) from Engine Telegraph System Panel (MTS-5) to Machinery Control Console (MCC: 2-52-1-E). Install cables MS Connectors with strain relief clamp at Engine Telegraph System Panel (MTS-5) and other end terminate cable with ring type lugs. Coast Drawing 750-WMSL-202-025 (Sheet 305, 306, 357 & 358) & 750-WMSL-202-023 shows wiring information.
3.4.5 Install and terminate cable K-3PC2 (2XOW-3) from Engine Telegraph System Panel (MTS-5) to Machinery Control Console (MCC: 2-52-1-E). Install cables MS Connectors with strain relief clamp at Engine Telegraph System Panel (MTS-5) and other end terminate cable with ring type lugs. Coast Drawing 750-WMSL-202-025 (Sheet 305, 306, 357 & 358) & 750-WMSL-202-023 shows wiring information.
3.4.6 Install ground wire from Engine Telegraph System Panel (MTS-5) to Bulkhead
3.4.7 Install cable Tag at each end of the cables.
3.4.8 Continuity Checks and Megger Readings. The Contractor shall perform continuity checks of each reconnected and reinstalled cables. Continuity checks shall be from distribution panel to each terminal end. The Contractor shall also take megger readings for each reconnected cable between each phase and from each phase to ground to ensure proper cable reconnection and insulation.
3.5 Operational test – post repairs. After completion of work, the Contractor shall witness an operational test (by Coast Guard personnel) of the EOT Panel for satisfactory operating condition in accordance with CG Tech Pub 7055. Submit a CFR.
4. NOTES
This section is not applicable to this work item.
FIGURE 1. ENGINE TELEGRAPH SYSTEM PANEL (MTS-5) ON USCGC BERTHOLF
(NOTE: THE CONTRACTOR SHALL RECORD PART NUMBER AND PIN CONFIGURATION OF MS CONNECTOR OF THE CABLES FOR PURCHASE)
FIGURE 2. ENGINE TELEGRAPH SYSTEM PANEL (MTS-5) MOUNTING ON USCGC WAESCHE
FIGURE 3. ENGINE TELEGRAPH SYSTEM PANEL (MTS-5) INSTALLATION ON USCGC WAESCHE
FIGURE 4. TELEGRAPH HORN STROBE LIGHT AT STBD SIDE FMMR (NEAR 2S SWITCH BOARD) ON USCGC BERTHOLF
ECXXX_52000_JSP_0111_WMSL
WORK ITEM 2: Stern Tube Seawater Supply Piping Modifications
1.1 Intent. This work item describes the requirements for the Contractor to upgrade the size and material of the stern tube seawater supply piping as well as install new flow meters and Hays Mesurflo devices to serve this stern tube seawater piping. Hays Mesurflo devices shall also be installed in the seawater piping serving the line shaft bearing coolers. The Contractor shall be responsible for a complete installation and fully operational system.
1.2 Government-furnished property.
None.
2. REFERENCES
Coast Guard Drawings Coast Guard Drawing 750-WMSL 520-1, Rev -, Seawater Cooling System Diagram (ASC520001) Coast Guard Drawing 750-WMSL 520-10, Rev -, Salt Water Cooling Unit 2310 (ASC520231-SW) Coast Guard Drawing 750-WMSL 520-11, Rev -, Salt Water Cooling Unit 2320 (ASC520232-SW) Coast Guard Drawing 750-WMSL 520-13, Rev -, Salt Water Cooling Unit 3110 (ASC520311-SW) Coast Guard Drawing 750-WMSL 520-500, Rev -, Stern Tube Seawater Piping Modifications 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), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 3041 (SFLC Std Spec 3041), Jan 2009, Shipboard Electrical Cable Test Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), Jan 2 Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Coast Guard Technical Publication (TP) 7034, 31-MAY-07, Stern Tube Seal - Type M9 Coast Guard Technical Publication (TP) 3524, 07-JAN-97, Manufacturer's Instruction Book-SWBS Group(s)(s) 243-262 Other References MIL-STD-22, Mar 1991, Welded Joint Design MIL-PRF-1149, Jun 1998, Gasket Materials, Synthetic Rubber, 50 and 65 Durometer Hardness MIL-STD-1627, Sep 1994, Bending of Pipe or Tube for Ship Piping Systems MIL-STD-1689, Nov 1990, Fabrication, Welding and Inspection of Ships Structure MIL-DTL-15024, Nov 1997, Plates, Tags and Bands for Identification of Equipment, General Specification for MIL-DTL-24643, Aug 2007, Cables and Cords, Electric, Low Smoke, For Shipboard Use, General Specification for Federal Specification (Fed Spec) QQ-N-281, Oct 1985, Nickel-Copper-Aluminum Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, And Structural and Special Shaped Sections Federal Specification (Fed Spec) HH-P-151, Mar 1991, Packing; Rubber-Sheet, Cloth Insert Federal Specification (Fed Spec) QQ-N-281, Oct 1985, Nickel-Copper-Aluminum Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, And Structural and Special Shaped Sections ASTM International (ASTM) B466, 2007, Standard Specification for Seamless Copper-Nickel Pipe and Tube NAVSEA Dwg 803-1385866, Penetrations; Bulkhead and Deck NAVSEA Dwg 804-1385781, Pipe Hangers for Surface Ships (Superseding NAVSEA Dwg. 810-1385781) Code of Federal Regulations (CFR) Title 29, Part 1910, Subpart T, 2009, Commercial Diving Operations
3. REQUIREMENTS
3.1 General.
3.1.1 CIR.
· Install Black Flange: 1 Inch IPS at Section 51-A & 53-A of CG Dwg 750-WMSL-520-500 (Sheet 7).
· Pre-Fabricate Manifold with Items 4, 12, 20 & 25 of CG Dwg 750-WMSL-520-500 (Sheet 7). Template the piping from removed manifold.
3.1.2 Technical Representative.
Not applicable.
3.1.3 Protective measures. The Contractor shall protect non-affected vessel’s equipment, components, and spaces during surface preparation and coating application procedures, as specified in SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).
3.1.4 Interferences. The Contractor shall be aware that interferences in way of work include, but are not limited to the below-listed. Handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3. (Interferences):
· Sheathing.
· Bulkhead insulation.
· Piping.
· Electrical Cables.
· Deck Plating
· Engine Room Bilges
3.2 General installation requirements. The concerned work areas are shown in the table below. See the Coast Guard Drawings above, for guidance and details.
Table 3.1
| COMPARTMENT |
| location |
| 5-52-01-E |
| AFT Main Machinery Room |
| 5-64-2-Q |
| Port Shaft Alley |
| 5-64-1-Q |
| Starboard Shaft Alley |
3.2.1 Cutter personnel will assist in locating all items required to be secured or isolated, and tagged for work under this item.
3.2.2 All fluid that drains from the affected piping system shall be cleaned up and removed within 1 hour of draining. Any fluid that drains on the cutter’s decks shall be cleaned up and removed immediately. The Contractor shall drain and dispose of all residual fluids in the piping system in accordance with all Federal, state, and local rules and regulations.
3.2.3 Hangers – All new piping shall be adequately supported against vibration in accordance with NAVSEA Dwg 804-1385781. Pipe hangers shall be rubber lined. Hanger spacing shall be no greater than 6 feet.
3.2.4 All pipe bends shall be in accordance with MIL-STD-1627.
3.2.5 All pipe threaded connections (tapered or straight pipe threads) shall be sealed during assembly using polytetrafluorethylene (PTFE) tape.
3.2.6 All new flange bolting fasteners shall be Monel per QQ-N-281, Class A, Grade 400.
3.2.7 Gasket material for flanged joints shall be synthetic rubber sheet per MIL-PRF-1149; rubber inserted cloth sheet per HH-P-151; or man-made non-asbestos compressed fiber gaskets. If compressed fiber gaskets are to be used, known complying products include Garlock 3400, Chesterton 195, Accord 533N, and John Crane 2160.
3.2.8 All new watertertight deck and bulkhead penetration sleeves shall be a plain steel sleeve in accordance with NAVSEA Dwg 803-1385866.
3.2.9 Commercial divers. The Contractor shall obtain the services of commercial divers. All diving operations shall abide by 29CFR1910.401.
WARNING
DO NOT ENTER OR REACH INTO THE PROPELLER SHAFT/STERN TUBE SEAL AREA UNLESS THE SHAFTING IS EITHER REMOVED OR STOPPED AND LOCKED IN POSITION.
3.2.9.1 Provide a certified and experienced diver and tender team, as well as necessary support personnel and equipment, to accomplish the work specified below.
3.2.9.2 Conduct briefing with Cutter personnel on techniques, apparatus, and materials to be utilized to pack the stern tube.
3.2.9.3 The diving team shall obtain Officer-of-the-Deck verification before beginning diving operations. Ship's force shall ensure that no propeller or rudder movements occur and that the standard "diver down" pipe is made until diving operations are concluded.
3.2.9.4 After performing required briefings and obtaining required permission, use divers to temporarily pack/seal the stern tube (gap between stern tube and shaft) to prevent sea water entry while shaft seals are disassembled. Maintain 24-hour standby dive services while shaft seal repairs are being conducted and the temporary shaft packing is installed.
3.2.10 The contractor shall inflate seal in accordance with Coast Guard Drawing Tech 7034. Prior to disturbing sea water piping attached to the shaft seal's, Contractor shall verify that the shaft seals have been inflated by Coast Guard Inspector.
NOTE
IN ORDER TO PREVENT FLOODING THROUGH THE SHAFT SEAL'S SEA WATER CONNECTION, TWO MEANS OF PROTECTION ARE UTILIZED. BOTH MEASURES, THE STERN TUBE PACKING BY DIVERS AND THE SEAL'S INFLATABLE BOOT ENERGIZED MUST BE DEPLOYED. THE TIME THE SEA WATER CONNECTION IS OPEN (NO VALVING OR BLANK FLANGE INSTALLED) MUST BE MINIMIZED AND UNDER CONSTANT OBSERVATION.
3.2.11 Bill of Material Changes. The following items are changed in Bill of Material on Coast Guard Drawing 750 WMSL-520-500.
Table: 3.2.11: Bill of materials changes
| Item |
| quantity shown on dwg |
| new required quantity for INSTALLATION |
| description |
| 47 |
| 1 |
| 2 |
| Hoffman Enclosure, NEMA 4X |
| 48 |
| 1 |
| 2 |
| Panel Mount |
| 49 |
| 1 |
| 2 |
| Din Rail |
| 50 |
| 2 |
| 4 |
| Fused Terminal Block |
| 51 |
| 2 |
| 4 |
| Fuse |
| 52 |
| 2 |
| 4 |
| End Clamps |
| 53 |
| 6 |
| 12 |
| Terminal Block |
3.2.11.1 The Contractor shall replace cable LS2SWU-1 with 2XSOW-3 (Item 55 of CG Dwg 750 WMSL-520-500).
3.2.11.2 The Contractor shall supply all material required for complete installation of the new system. The contractor shall provide miscellaneous hardware required for electrical installation (i.e. Q Stuffing Tubes, Box Connectors, Lugs, Fasteners, Wire Nuts, Tape, Cable ties & Brackets) of new system.
3.2.11.3 All required mechanical, electrical and structural components needed to complete installation shall be provided by the Contractor.
3.2.11.4 Drawing correction. Electrical Notes on Coast Guard Drawing 750-WMSL-500-520 shall be corrected as follows:
Note 1: Substitute MLC PAC STD SPEC 304.2 with SFLC Std Specification 3041.
Note 5: Substitute MIL-C-24643 with MIL-DTL-24643.
Note 6: Substitute MLC PAC STD SPEC 304.2 with SFLC Std Specification 3042.
3.3 Piping and Associated Components Removal. The Contractor shall mark all piping and components for removal and allow Coast Guard Inspector to verify prior to rip out.
NOTE
DO NOT DISCONNECT PIPING TO SHAFT SEAL UNTIL COAST GUARD INSPECTOR IS PRESENT. VERIFY INFLATABLE SEAL IS HOLDING PRESSURE. CAREFULLY PARTIALLY UNBOLT THE FLANGE AT SHAFT SEAL. OPEN FLANGE FACES AND OBSERVE LEAKAGE (PASS INFLATABLE SEAL). IF THE LEAKAGE IS ACCEPTABLE, UN BOLT THE FLANGE AND INSTALL THE BLANK FLANGE.
3.3.1 The Contractor shall rip-out the piping as shown on Coast Guard Drawing 750 WMSL 520-500. Rip-out piping is shown with crosshatched (i.e. -////////////) on the drawings.
3.3.2 The Contractor shall renew following parts listed “Retain for re-use” on Coast Drawing 750-WMSL-520-500. The Coast Guard drawing referenced in Para 2 provides material requirement and parts information.
Table: 3.3.2: parts renewal
| port shaft alley (5-64-2-q) |
| stbd shaft alley (5-64-1-q) |
| 2-SW-029 |
| 1-SW-029 |
| Root Valve 2-SW-V-050 & 2-SW-GA-001 |
| Root Valve 1-SW-V-050 & 1-SW-GA-001 |
| Duplex Strainer (2-SW-F-006) |
| Duplex Strainer (1-SW-F-006) |
| 2-SW-V-051 |
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