KEYLARGO(WPB-1324)110FOOTBCLASSPATROLBOATSPECIFICATIONFORDRYDOCK
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- USCGC KEY LARGO (WPB-1324) DRYDOCK
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- HSCG80-08-Q-313060
About this file
USCGC KEY LARGO (WPB-1324) 110 Foot B Class Patrol Boat Specification for Drydock Repairs 2008 Rev. 2 November 5 2007
Text of this file
USCGC KEY LARGO (WPB-1324)
110 FOOT B CLASS PATROL BOAT
SPECIFICATION FOR DRYDOCK REPAIRS
Developed By:
CWO KIESEL
Commander (v) Maintenance and Logistics Command, Atlantic 300 E. Main Street, Suite (600) Norfolk, VA 23510-9102
TABLE OF CONTENTS
Work Item Title Page iiiList of Sketches
Revisions Record iv List of Applicable References v List of Government-furnished Property xii List of Critical Inspection Items xv Specification Feedback xvi Principal Characteristics xvii General Requirements Welding Repairs Routine Drydocking Provide Temporary Logistics Clean and Inspect Fuel and Oil Tanks Preserve Oil Tanks Clean and Inspect Sewage and Grey Water Collection and Holding Tanks Clean Sewage and Grey Water Piping Systems Preserve Sewage and Grey Water Collection and Holding Tanks Preserve and Disinfect Potable Water Tanks Renew Sea Strainer(s) Overhaul Stabilizing Fins Inspect MDE Exhaust System Overhaul and Renew Valves Remove, Inspect, and Reinstall Propellers Repair Propeller Root Erosion Remove, Inspect, and Reinstall Propeller Shafts Overhaul Mechanical Shaft Seal Assemblies Inspect and Maintain Cathodic Protection System Renew Water Lubricated Propeller Shaft Bearings Inspect Bronze Sleeves in Various Areas Remove, Inspect, and Reinstall Rudder Assemblies Overhaul Steering Gear Components Renew Transducer and Preserve Transducer Hull Ring Preserve Underwater Body Preserve Freeboard Preserve Weather Decks Preserve Superstructure Renew Capastic Fairing Renew Floating Deck System in Galley and Mess Deck Install P-100 Fixed Piping (EC 110-C-126) Install New Pre-lube Pump Controls (EC 110-B-121) Install Stern Flap (EC No.110-C-087) Install Cofferdams in Galley (EC 110-B-120) Install Wind Tracker and Monitor (EC 110-C-113)
List of Sketches
Work
Item Sketch Number Page This section is not applicable to this package.
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 |
| 10/25/07 |
| 1 |
| GFP |
| Work Items Listed for GFP – Made Corrections for work item numbers. |
| 11/05/07 |
| 2 |
| GFP |
| Removed the gaskets from WI 12 |
| 11/05/07 |
| 2 |
| 29 |
| Changed the CIR from 3.5 to 3.4 |
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.
List of Applicable References
The below-listed documents form a part of this specification to the extent specified herein. Approval/publication dates or revision dates/numbers are also identified, to ensure that same document versions are used at time of specification writing and during contract execution. Electronic copies of the latest Editions of MLCA Standard Specifications are available on the Internet and may be accessed at the following Internet Uniform Resource Locator (URL) address: http://www.uscg.mil/mlclant/vdiv/specs/default.htm. Guidance for obtaining copies of all other documents referenced herein is provided in the solicitation.
Order of precedence. In the event of conflicts between text of this specification and the applicable references specified herein, order of precedence shall be in accordance with MLCA Standard Specification 0000_STD, paragraph 3.2 (Order of precedence), unless otherwise specified by the Contracting Officer (KO). The Contractor shall immediately notify the KO in writing of any perceived conflicts contained herein. Nothing in these documents, however, supersedes applicable laws and regulations, unless a specific exemption has been obtained.
FEDERAL AND MILITARY SPECIFICATIONS AND STANDARDS
MIL-P-24583, Apr 1990, Packing Material, Graphitic or Carbon Braided Yarn MIL-PRF-17672, May 1995, Hydraulic Fluid, Petroleum, Inhibited
MIL-PRF-24647, Feb 2005, Paint System, Anticorrosive And Antifouling, Ship Hull DOD-STD-2187, Aug 1987, Chemical Cleaning of Salt Water Piping Systems
Federal Specification (Fed Spec), MMM-A-121, Oct 1999, Adhesive Bonding Vulcanized Synthetic Rubber to Steel
NAVSEA SE-000-00-EIM-110, Sep 1995, U.S. Navy EIMB Installation Standards
OTHER GOVERNMENT DOCUMENTS, DRAWINGS, AND PUBLICATIONS
DOCUMENTS
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0000_STD, 2006 Edition, General Requirements
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 1001_STD, 2004 Edition, Temporary Hull Accesses
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 3141_STD, 2004 Edition, Overhaul Electrical Rotating Machines
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 6341_STD, 2004 Edition, Renew Deck Covering Systems
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 8634_STD, 2004 Edition, Drydocking
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 8635_STD, 2004 Edition, Provide Temporary Logistics
DRAWINGS
Coast Guard Drawing 110 WPB 085-002, Rev-, Docking Plan Coast Guard Drawing 110 WPB 085-004, Rev-, Superstructure Lines Plan Coast Guard Drawing 110 WPB 085-010, Rev B, Docking Plan, Docking/Lifting Cradle Coast Guard Drawing 110 WPB 114-001, Rev B, Stern Flap
Coast Guard Drawing 110 WPB 171-002, Rev D, Mast Details Coast Guard Drawing 110 WPB 243-006, Rev A, Propulsion Shaft Details (Partially supercedes 110 WPB 243-002, 110B WPB 243-002, and 110C WPB 243-002)
Coast Guard Drawing 110 WPB 259-005, Rev C, 18" Raw Water Discharge Spray Ring Assembly w/ Companion Flanges & Gaskets Coast Guard Drawing 110 WPB 259-006, Rev B, MDE 8" Exhaust Flapper Valve Assembly (w/Companion Flanges & Gaskets) Coast Guard Drawing 110 WPB 331-003, Rev A, P-100 Pump Portable Heater Receptacle
Coast Guard Drawing 110 WPB 400-002, Rev N, Booklet of Naval Engineering Drawings, Electronics sheets 5B BOM and 39 installation specification Coast Guard Drawing 110 WPB 522-001, Rev C, P-100 Pump Installation Arrgt and Details
Coast Guard Drawing 110B WPB 111-003, Rev F, Shell Expansion Coast Guard Drawing 110B WPB 117-001, Rev H, Transverse Sections Coast Guard Drawing 110B WPB 131-001, Rev A, Deck Construction Plan Coast Guard Drawing 110B WPB 161-001, Rev C, Main Shaft Strut Details Coast Guard Drawing 110B WPB 161-002, Rev D, Main Shaft Strut Installation Coast Guard Drawing 110B WPB 161-003, Rev B, Intermediate Shaft Strut Details Coast Guard Drawing 110B WPB 161-004, Rev C, Intermediate Shaft Strut Installation Coast Guard Drawing 110B WPB 161-005, Rev K, Stern Tube Installation Details Coast Guard Drawing 110B WPB 243-002, Rev E, Propulsion Shafting Details Coast Guard Drawing 110B WPB 243-005, Rev B, Shaft Locking Device Coast Guard Drawing 110B WPB 245-002, Rev B, Assembly of Oil Injection Equipment Coast Guard Drawing 110B WPB 245-003, Rev-, Propeller Details (supercedes 110B WPB 245-001) Coast Guard Drawing 110B WPB 256-003, Rev-, Auxiliary Seawater Cooling Arrangement and Details Coast Guard Drawing 110B WPB 259-001, Rev C, Main Engine Exhaust Piping System Coast Guard Drawing 110B WPB 259-003, Rev H, 18" Exhaust Flapper Valve Assembly Coast Guard Drawing 110B WPB 501-001, Rev G, Piping System Schematics
Coast Guard Drawing 110B WPB 521-003, Rev B, P-100 Pump Fixed Pipe Installation
Coast Guard Drawing 110B WPB 528-002, Rev E, Sewage Piping Arrangement & Details
Coast Guard Drawing 110B WPB 561-001, Rev A, Steering System Details Coast Guard Drawing 110B WPB 561-004, Rev B, Steering System Details / Piping Coast Guard Drawing 110B WPB 562-001, Rev E, Rudder Details Coast Guard Drawing 110B WPB 601-027, Rev F, Outboard Profile And Weather Decks Coast Guard Drawing 110B WPB 621-005, Rev F, Joiner Work Details Coast Guard Drawing 110B WPB 633-001, Rev A, Cathodic Protection Plan and Details Coast Guard Drawing 110B WPB 633-002, Rev C, Cathodic Protection Installation, Schematic, & Layout Coast Guard Drawing 110B WPB 635-001, Rev C, Linings & Insulation, Plan & Details Coast Guard Drawing 110B WPB 651-003, Rev A, Galley Sink/Dishwasher Spill Containment
Coast Guard Drawing 110C WPB 161-005, Rev D, Stern Tube Installation Details Coast Guard Drawing 110C WPB 565-001, Rev B, Fin Stabilization System Coast Guard Drawing FL 6713-201, Rev B, CRP-V850 Transducer (B-14) Adapter Assembly Coast Guard Engineering Change (EC) 110-B-121, 30 May 2006, 110 WPB MDE Pre-lube Pump Controller Replacement
Coast Guard Engineering Change (EC) 110-C-113, Aug 2005, Anemometer Replacement
PUBLICATIONS
Coast Guard Commandant Instruction (COMDTINST) M10360.3 (Series) Jun 2006, Coatings and Color Manual Coast Guard Technical Publication (TP) 3100, Nov 1989, Chapter 561, Vosper-Thornycroft Steering Manual Coast Guard Technical Publication (TP) 3101, Jun 1991, Chapter 245, Propulsors Coast Guard Technical Publication (TP) 3109, Jul 1990, Chapter 633-1, Electrocatalytic Industries; Cathodic Protection Instruction Manual Coast Guard Technical Publication (TP) 3495, May 2002, Chapter 243, Installation Duramax Shaft Seal System
Coast Guard Technical Publication (TP) 3906, Oct 2002, Ship's Steering Gear System Coast Guard Technical Publication (TP) 3907, Oct 2002, Ship's Fin Stabilizing System Vosper Thornycroft Technical Bulletin No. 49, Jul 1992, Procedure for Fitting New Tiller Rod Eye Bearings to Actuators and Removing Redundant Grease Hose On BMS Island Class USCG Cutters
INDUSTRY STANDARDS
American National Standards Institute/American Society of Mechanical Engineers (ANSI/ASME), B4.1-1967, (reaffirmed 1994), Preferred Limits and Fits for Cylindrical Parts American National Standards Institute/NSF International (ANSI/NSF) 61, 2005, Drinking Water System Components - Health Effects
ASTM International (ASTM), B124-00, 10 Apr 2002, Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes
ASTM International (ASTM) A572, 2006, Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel
ASTM International (ASTM) A606, 2004, Standard Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy ASTM International (ASTM) B209, 2004, Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
ASTM International (ASTM) D1330, 2004, Standard Specification for Rubber Sheet Gaskets
ASTM International (ASTM) D4174, Reapproved 2005; Standard Practice for Cleaning, Flushing, and Purification of Petroleum Fluid Hydraulic Systems
ASTM International (ASTM) D5363, 2003, Standard Specification for Anaerobic Single Component Adhesives
ASTM International (ASTM) E797, 2001, Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method ASTM International (ASTM) E797, 2005, Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method ASTM International (ASTM) F992, 2006, Standard Specification for Valve Label Plates
American Welding Society (AWS) C5.6, Reapproved 1994, Recommended Practices for Gas Metal Arc Welding
Manufacturers' Standardization Society of the Valve and Fittings Industry (MSS) SP-80, 2003 Edition, Bronze Gate, Globe, Angle and Check Valves
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-72, 1999 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-67, 2002 Edition, Butterfly Valves
Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2003 Edition, Pressure Testing Of Steel Valves
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 1998, Cork and Rubber Composition Sheet; For Aromatic Fuel And Oil Resistant Gaskets
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) A 25463, 1999, Adhesive, Film Form, Metallic Structural Sandwich Construction
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) G-6032, 1999, Grease, Plug Valve, Gasoline and Oil Resistant, NATO Code Number G-363, Metric
Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) 4348, Core, 1995, Honeycomb, Aluminum Alloy, Corrosion Inhibited for Sandwich Construction 5052, 350 (177)
The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation Standard SSPC-SP 10/NACE No.2, 2004, Near-White Blast Cleaning
International Standard For Organization (ISO) 484/2, 1981, Shipbuilding - Ship Screw Propeller International Standard Organization (ISO) 4406, 1999, Hydraulic Fluid Power - Fluids - Method for Coding Level of Contamination by Solid Particles
American Society of Mechanical Engineers (ASME) B16.34, 2004, Valves-Flanged, Threaded, and Welding End
American Society of Mechanical Engineers (ASME) B46.1, 2002, Surface Texture (Surface Roughness, Waviness, and Lay)
American Water Works Association (AWWA) C652, 2002, Disinfection of Water-Storage Facilities
Raytheon V850 Color Echosounder, 2nd Edition, Mar 1993, Operation Manual American Petroleum Institute (API) Specification 5L, 2004, Specification for Line Pipe
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)
| 10 |
| Y |
| Kraissl 2 ½" Duplex strainer |
| NSN: 4730-01-394-9731 |
| 2 ea. |
| 3,900.00 |
| 11 |
| N |
| Spherical Roller Bearing |
| NSN: 3110-00-902-7288 |
| 2 ea. |
| 136.00 |
| N |
| Spherical Bearing |
| NSN: 3120-99-806-7289 |
| 4 ea. |
| 167.00 |
| N |
| Special Bolt Trunion |
| P/N: 3665208-A |
| 4 ea. |
| 135.00 |
| N |
| Special Bolt Tiller |
| NSN: 5306-99-538-1451 |
| 4 ea. |
| 126.00 |
| N |
| Rod Eye Trunion Bolt Nut |
| NSN: 5315-01-485-3148 |
| 4 ea. |
| 34.00 |
| N |
| Fin Spacer Bushing |
| NSN: 3120-01-396-1724 |
| 4 ea. |
| 81.00 |
| N |
| Fin Spacer Bushing |
| NSN: 5365-99-807-4040 |
| 4 ea. |
| 66.00 |
| N |
| Circlip |
| NSN: 5365-99-902-2593 |
| 8 ea. |
| 2.00 |
| N |
| Actuator Seals |
| NSN: 5330-99-729-7570 |
| 4 sets |
| 98.00 |
| N |
| Rod Eye Bearing |
| NSN: 3120-01-377-1940 |
| 4 ea. |
| 530.00 |
| N |
| Rod Eye Locknut |
| NSN: 5310-01-468-7665 |
| 4 ea. |
| 13.00 |
| N |
| Tiller Pin Nuts |
| NSN: 5315-01-485-3148 |
| 4 ea. |
| 34.00 |
| Y |
| **Fin Stabilizer assembly |
| NSN: 2040-99-726-4768 |
| 2 ea. |
| 12,200.00 |
| N |
| **Lower bearing bushing |
| NSN: 3120-99-726-2345 |
| 2 ea. |
| 900.00 |
| 12 |
| N |
| Port spray ring |
| NSN: 2990-01-475-9621 |
| 1 ea. |
| 5,584.00 |
| N |
| Starboard spray ring |
| NSN: 2990-01-475-9620 |
| 1 ea. |
| 5,584.00 |
| N |
| **Port 8" flapper valve |
| NSN: 4320-01-475-8806 |
| 1 ea. |
| 500.00 |
| N |
| **Starboard 8" flapper valve |
| NSN: 4320-01-475-8677 |
| 1 ea. |
| 500.00 |
| 14 |
| Y |
| **Propeller, LH |
| NSN: 2010-01-222-2440 |
| 1 ea. |
| 23,445.00 |
| Y |
| **Propeller, RH |
| NSN: 2010-01-222-2441 |
| 1 ea. |
| 22,800.00 |
| 16 |
| N |
| **4" Diameter x 28' Long, Aquamet-17 propulsion shaft |
| NSN: 2010-01-445-7940 |
| 2 ea. |
| 8,700.00 |
| N |
| **Forward Bearing Housing |
| NSN: 3130-01-442-2863 |
| 2 ea. |
| 5,421.00 |
| N |
| *Oil Injection Equipment Kit |
| N/A |
| 1 set |
| 6,000.00 |
| 17 |
| N |
| Shaft seal assembly kit |
| NSN: 5330-01-497-8095 |
| 2 ea. |
| 859.48 |
| N |
| **Shaft seal assembly |
| NSN: 4320-01-497-8057 |
| 2 ea. |
| 3,111.84 |
| 18 |
| N |
| Shaft grounding assembly kit |
| NSN: 5977-01-204-9914 |
| 2 ea. |
| 912.06 |
| 19 |
| N |
| Main Shaft Strut Bearing, Bronze and rubber cutlass bearing, 4" ID x 5" OD x 16" Long |
| NSN: 3120-01-222-3927 |
| 2 ea. |
| 200.00 |
| N |
| Intermediate Shaft Strut Bearing, Bronze and rubber cutlass bearing, 4" ID x 5" OD x 16" Long |
| NSN: 3120-01-222-3927 |
| 2 ea. |
| 200.00 |
| N |
| Stern Tube Bearing, Bronze and Rubber cutlass bearing, |
4" ID x 5" OD x 8" Long
| NSN: 3120-01-238-0689 |
| 2 ea. |
| 150.00 |
| 21 |
| Y |
| **Rudder |
| NSN: 2040-01-223-2674 |
| 2 ea. |
| 29,000.00 |
| 22 |
| N |
| Hydraulic Pump Assy. |
| NSN: 4320-99-771-4207 |
| 2 ea. |
| 550.00 |
| 23 |
| N |
| ***V850 Color Echo Sounder |
| NSN: 5845-01-518-7245 |
| 1 ea. |
| 1,423.41 |
| N |
| ***CELZ-SRD-331 Doppler speed log |
| NSN: 5845-01-302-4161 |
| 1 ea. |
| 3,255.08 |
| 29 |
| N |
| Jackson Dishwasher |
| NSN: 7320-01-234-2145 |
P/N JBX-300H
| 1 ea. |
| 3,816.37 |
| 31 |
| N |
| Pre-lube Pump controller kit |
| PN: Cutler Hammer ECN2208QP7C-C30T10E4 |
| 2 ea. |
| 1,100.00 |
| 32 |
| N |
| Stern Flap Kit |
| NSN: 2040-01-F00-3645 |
| 1 ea. |
| 15,000 |
| 34 |
| Y |
| Anemometer Wind Monitor |
NSN: 6660-01-443-1104
R.M. Young Co. model
#05106
| 1 ea. |
| 1,200.00 |
| Y |
| Anemometer Wind Tracker |
NSN: 6660-01-527-7508
R.M. Young Co. model
#06206
| 1 ea. |
| 750.00 |
| Y |
| Signal Line Surge |
Protector
NSN: 5920-01-527-7656
R.M. Young Co. model #19120
| 1 ea. |
| 162.00 |
| N |
| Cable, electrical, 6-conductor |
NSN: 6145-00-538-9225
Belden P/N 8426
| 50 ft. |
| .30 |
| N |
| Cable, electrical, LS2SJ16, |
Shielded 2 conductor low smoke 16 AWG
NSN: 6145-01-202-7746
| 25 ft. |
| .52 |
| N |
| Junction box, aluminum, 2- |
1/2” dia.
Pauluhn P/N 518A To be supplied by ELC.
| 1 ea. |
| 300.00 |
| N |
| Stuffing tube, nylon, ½” |
NPT
NSN: 5975-00-808-4063
Dorn P/N NYST-3-001
| 2 ea. |
| 5.00 |
*Government-loaned property, which shall be returned to the vessel upon completion of the availability.
**New or refurbished equipment that the Government may provide for installation in place of existing equipment.
***Government-furnished property, which is to be supplied by either the vessel, Electronic Systems Support Unit (ESU) or local Electronic Support Detachment (ESD).
List of Critical Inspection Items
The following is a list of work items, which contain Critical Inspection reports, which the Contractor must complete within the first 25% of the availability contract period (see Std Spec 0000_STD, paragraph 3.6.2 (Inspection report particulars)):
Work Item Title Overhaul Stabilizing Fins
Remove, Inspect, and Reinstall Rudder Assemblies Preserve Underwater Body Renew Floating Deck System in Galley and Mess Deck
Install Stern Flap (EC No.: 110-C-087)
Specification Feedback
The intent of this section is to inform all users that a spec feedback mechanism is in place, and is located on the MLCA Naval Engineering Division’s website. Spec feedback is a very important part of our overall continuous improvement process, and is crucial to specification development. It will allow spec writers to capture all specification-related lessons learned, and avoid mistakes or ambiguities in follow-on availabilities. All feedback will be reviewed, evaluated, and responded to in a timely manner.
If you have access to the CGWeb (Intranet), please use the following link, which will connect you to the MLCA(v) Naval Engineering website, for submitting your feedbacks:
http://webapps.mlca.uscg.mil/vdiv/specifications/feedback/default.cfm
If you do not have access to the CGWeb (Intranet), you may still submit your feedbacks, using the following web link:
http://www.uscg.mil/mlclant/VDiv/specs/specfeedback.htm
PC_110B_WPB
(22 Jan 2007) Principal Characteristics
110’WPB (B CLASS)PATROL BOAT
| Length Overall |
| 110’ 0” |
| Depth (main deck at side to baseline) |
| 10’ 0-1/2” |
| Maximum Beam |
| 21’ 3” |
| Height of Highest Projection (above baseline)) |
| 55' |
| Frame Spacing |
| various |
| Full Load Draft |
| 6’ 5-3/4” |
| Full Load Displacement |
| 165 long tons |
| Shore Tie Voltage Requirements |
| 450VAC 400A 3PH 60HZ ungrounded |
PROPELLER / SHAFT
| Number of Propellers |
| 2 |
| Number of Blades per Propeller |
| 5 |
| Diameter of Propeller |
| 49.6” |
| Pitch |
| 61.4” |
| Revolutions per Minute (RPM) |
| N/A |
| Shaft Diameter |
| 4” |
00000N_FLT (20 Apr 2007)
General Requirements
1. SCOPE
1.1 Scope. This item describes the general requirements to be followed by the Contractor while conducting this availability.
2. APPLICABLE DOCUMENTS
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0000_STD, 2006 Edition, General Requirements Coast Guard Maintenance and Logistics Command Atlantic (MLCA) Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes Coast Guard Commandant Instruction (COMDTINST) M10360.3 (Series) Jun 2006, Coatings and Color Manual
3. REQUIREMENTS
3.1 General. The Contractor shall conform to all requirements specified in Std Spec 0000_STD and in this item, as applicable, during the performance of this availability.
3.2 Contractor-provided fire extinguishers. The Contractor shall provide portable fire extinguishers.
3.3 Welding and brazing requirements. The Contractor shall perform all welding and allied processes, and nondestructive inspection (NDI), in accordance with Std Spec 0740_STD.
4. QUALITY ASSURANCE
No additional requirements.
5. NOTES
5.1 Access to COMDTINST M10360.3. The COMDTINST M10360.3 may be accessed at the following URL address: http://www.uscg.mil/ccs/cit/cim/directives/cim/cim_10360_3c.pdf.
5.2 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in Std Spec 0000_STD to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this item.
QA-1: QUALITY ASSURANCE INSPECTION FORM - PRESERVATION CHECKLIST
CHECKPOINT 1 – COATING SYSTEM COMPLIANCE
Ensure all coatings are in compliance with COMDTINST M10360.3, Appendix C.
CHECKPOINT 2 - PAINT STORAGE
Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating manufacturer(s).
CHECKPOINT 3 - AMBIENT CONDITIONS
Ensure surface and surrounding temperatures are each between 50 and 90°F for water-based coatings, and 35 and 95°F for other coatings, unless otherwise specified by the coating manufacturer(s).
Ensure maximum relative humidity (RH) is as follows, from surface preparations through final curing of topcoat: 50% for tanks, voids, and vent plenum; and 85% for all other areas, unless otherwise specified by manufacturer(s).
Ensure surface temperature is at least 5°F above the dew point, unless otherwise specified by the coating manufacturer(s).
CHECKPOINT 4 - PRE-SURFACE PREPARATION
Remove surface contaminants (soluble salts, loose rust, mud, and marine growth) with low pressure fresh water wash down (maximum 5,000 psi). If oil and grease are present, perform solvent cleaning, as per SSPC SP-1.
CHECKPOINT 5 - SURFACE PREPARATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure cleanliness of prepared surface is as per specification (i.e.: SSPC SP-12, SP-11, SP-10…).
Verify surface anchor profile (1.5-3.5 mils for abrasive-blasted steel surfaces; 1.0 mil (minimum) for power-tool cleaned surfaces; 1.0-1.5 mils for abrasive-blasted aluminum surfaces); and 1.5 –2.5 for surfaces to be coated w/single coat of inorganic zinc).
Measure soluble salt conductivity (5 measurements per 1000 sqft) – maximum threshold: 70 microsiemens/cm for non-submerged surfaces and 30 microsiemens/cm for submerged surfaces.
CHECKPOINT 6 - PRIMER COAT APPLICATION
Verify environmental conditions (see CHECKPOINT 3).
Verify proper mixing and stand-in (induction) times.
Ensure no paint is applied when the temperature is expected to drop to freezing before the paint has dried.
Ensure surfaces are completely dry, unless otherwise allowed by the Coating Manufacturer(s).
Verify wet film thickness at random, to prevent under or over application.
Brush out all runs, sags, drips, and puddles.
Perform visual inspection for holidays and other defects.
CHECKPOINT 7 – STRIPE COAT APPLICATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure overcoating window is as per manufacturer’s instructions.
After primer coat (mist coat after inorganic zinc), brush-apply un-thinned coat of same primer paint over edges, weld seams, cut-outs, and areas of complex geometries @ 3-4 mils wet film thickness (WFT).
CHECKPOINT 8 – TOP COAT APPLICATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure overcoating window is as per manufacturer’s instructions.
Verify proper mixing and stand-in (induction) times, as applicable.
Verify wet film thickness at random, to prevent under or over application.
Brush out all runs, sags, drips, and puddles.
CHECKPOINT 9 – FINAL INSPECTION
Verify final system dry film thickness.
Verify system cure for service resumption - U/W Body surfaces: 5-8 hours @ 77 degrees F; Potable water tanks: 7 days @ 77 degrees F.
Ensure potable water tank exhaust ventilation is maintained continuously from and during coating application through final system cure (minimum 7 days @ 77 degrees F.), to exhaust all solvent to the atmosphere and to prevent solvent entrapment.
CHECKPOINT 10 – RECORD KEEPING
Complete, sign, and submit all provided QA Inspection Forms.
Signature of Inspector:______________________________________________________Date:____________
QA-2. QUALITY ASSURANCE INSPECTION FORM
ENVIRONMENTAL READINGS
(Use one sheet for each activity. Record conditions every four hours from before surface preparation to application of final coating system coat)
| DATE |
| TIME |
| ENTER ACTIVITY (Surface preparation, primer coat, barrier coat, top coat, etc…) |
| LOCATION |
| DEW POINT |
| SURFACE TEMP. |
| % REL. HUMIDITY |
| SIGNATURE OF INSPECTOR |
.Signature of Inspector:__________________________________________________Date:____________
QA-3 QUALITY ASSURANCE INSPECTION FORM
SURFACE PROFILE LOG
Vessel Name And Hull Number:__________________________________________________ Work Item Title:_______________________________________________________________ Location Of Work (Including Frame Numbers):_____________________________________ Area (Square Feet):_____________ Surface Preparation Method:_____________________________________________________ Abrasive Manufacturer And Size:_________________________________________________ Degreasing Method Used:________________________________________________________ Number Of Hours Surfaces (Steel Only) Left Unpainted:______________________________ Sweep blasting performed to remove flash rusting (steel)? Yes/No:_____________________ Place Surface Profile Replica Tapes In The Spaces Provided Below, To Serve As Permanent QA record.
Maintain separate log for each area/location. When an Area Is Divided Into Separate Sections, Maintain A Separate Log for Each Section.
AVERAGE MILS
(IAW ASTM D4417, METHOD C)
Place Surface Profile Replica Tape Here
Reading:__________ mils
· Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Place Surface Profile Replica Tape Here
Date and Time:__________________________________________________ Location of Surface Profile Measurements:___________________________________________________________ Signature of Inspector:____________________________________________________________________________
QA-4. QUALITY ASSURANCE INSPECTION FORM
SURFACE SOLUBLE SALT CONDUCTIVITY LOG
Vessel Name and Hull Number:__________________________________________________ Work Item Title:_______________________________________________________________ Location of Work (including frame numbers):_______________________________________ Area (square feet):____________
| DATE |
| TEST LOCATIONS |
| CONDUCTIVITY |
(microsiemens/cm)
Date and Time:_________________________________________ Signature of Inspector:___________________________________
QA-5. QUALITY ASSURANCE DATA FORM
DRY FILM THICKNESS (DFT) MEASUREMENTS IAW SSPC PA-2
(Use one sheet for each sequence) Vessel Name and Hull Number:__________________________________________________ Work Item Title:______________________________________________________________ Coating Manufacturer:_________________________________________________________ Product Name:________________________________________________________________ Batch Number:________________________________________________________________ Induction Time:_______________________________________________________________ Coating System Sequence (Indicate whether: primer, touch-up primer, barrier coat, 3rd coat…):__________________
DFT
MEASUREMENT NUMBER
| LOCATION OF READINGS |
| MEASURED DFT |
Application Method (Airless, Conventional Spray, Rolled):____________________ Average DFT: __________________________________________________________ Date and Time: _________________________________________________________ Signature of Inspector: ___________________________________ 07400D_110_123 (08 Nov 06) 110B (02 Jan 2004) WORK ITEM 1: Welding Repairs
1. SCOPE
1.1 Scope. This work item describes the requirements for the Contractor to perform welding repairs.
2. APPLICABLE DOCUMENTS
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes Coast Guard Drawing 110B WPB 111-003, Rev F, Shell Expansion Coast Guard Drawing 110B WPB 117-001, Rev H, Transverse Sections American Petroleum Institute (API) Specification 5L, 2004, Specification for Line Pipe ASTM International (ASTM) A572, 2006, Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel ASTM International (ASTM) A606, 2004, Standard Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy
3. REQUIREMENTS
3.1 General. The Contractor shall perform all welding and nondestructive inspection (NDI) in accordance with Std Spec 0740_STD. This work item includes all welding related activities only and does not include interference removal.
3.2 Structural steel replacement. The Contractor shall be aware that the hull structure (shapes, plates, and bars) for the 110 WPB class cutters is made primarily with BS 4360 Type 43A British steel. If the British steel cannot be obtained for the hull structure, ASTM A572 Grade 50 or Grade 42 can be substituted. If the ASTM A572 material cannot be obtained for plate sizes less than 7.0 lb/ft2, then ASTM A606 Type 2 can be substituted.
3.2.1 Plate. Replace original size plate with industry standard size plate specified below.
| Size |
| Plate (lb/ft2) |
| Original |
| Industry Standard |
| A |
| 4.0 |
| 5.1 |
| B |
| 5.0 |
| 5.1 |
| C |
| 6.0 |
| 5.63 |
| D |
| 7.0 and 7.5 |
| 7.65 |
| E |
| 10.0 |
| 10.2 |
| F |
| 25.5 |
| 25.5 |
3.2.2 Plate degradation. When measuring existing plate thickness; use the nominal, as-built plate thickness specified below to calculate the percent wastage.
| Size |
| Original |
(lb/ft2) As-built Thickness
(inch)
| B |
| 5.0 |
| .111 |
| C |
| 6.0 |
| .138 |
| D |
| 7.0 |
| .160 |
| D |
| 7.5 |
| .172 |
| E |
| 10.0 |
| .236 |
3.2.3 Tee stringer. If the 3 X 1 X 2.45 lb tee cannot be obtained, substitute a 3 X 5/16 flat bar. Ensure that the flat bar is scalloped and attached at each transverse frame with a clip as shown on the transverse sections drawing.
3.3 Welding qualification. For the purposes of qualifying welding procedure specifications and welding personnel, the Contractor shall consider ASTM 572 Grade 50, ASTM 572 Grade 42, and API 5L Grade X52 steel, equivalent to BS 4360, Type 43A British steel.
4. QUALITY ASSURANCE
No additional requirements.
5. NOTES
The shell expansion and transverse sections are shown in drawings 110B WPB 111-003 and 110B WPB 117-001 respectively.
86340S_FLT (28 Dec 2006)
110B (28 Mar 2005) WORK ITEM 2: Routine Drydocking
1.1 Scope. This work item describes the requirements for the Contractor to drydock and undock the cutter, and perform various drydocking-related inspections and tests.
2. APPLICABLE DOCUMENTS
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 8634_STD, 2004 Edition, Drydocking Coast Guard Drawing 110 WPB 085-002, Rev-, Docking Plan Coast Guard Drawing 110 WPB 085-010, Rev B, Docking Plan, Docking/Lifting Cradle
3. REQUIREMENTS
3.1 General. The Contractor shall drydock and undock the cutter, in accordance with Std Spec 8634_STD, Appendix D (Requirements for 110 WPB Lifting/Cradle/Blocking), using a cradle built in accordance with Coast Guard Drawings 110 WPB 085-010 and 110 WPB 085-002.
3.2 Vessel Conditions. The Contractor shall use the below-listed information for purposes of performing calculations, as described in paragraph 20.2 of Appendix B of Std Spec 8634_STD. (See Note 5.4 (Vessel characteristics)). The Contractor shall be responsible for any change to the cutter's loading condition necessary to meet the capability of the Contractor's dock.
· Displacement (LT): 126.
· VCG (FT ABL): 10.06.
· LCG (FT aft/fwd amidships): 7.41 aft
· Length of supported keel (FT): NA
3.3 Blocking position. The Contractor shall arrange keel and side blocks, as shown on the vessel's docking plan, to facilitate docking of the vessel in blocking position No.1. Ensure that the minimum keel block height is 18 inches above the docking facility deck.
NOTICE!
The Contractor shall be aware of the requirement in the referenced Docking Plan, which states that CUTTER SHALL BE DOCKED WITH ALL TANKS EMPTY. Normal operational practice of cutters is to operate at a minimum 75% fuel capacity during hurricane season and 50% off season.
3.4 Routine work. The Contractor shall perform the below-designated routine drydocking work, in accordance with Std Spec 8634_STD, Appendix A (Requirements for Routine Drydocking Work). (See paragraph 5.3 (Paragraph number relationships)). Follow the timeline for work completion and inspection report submission, as specified in paragraph 20.2 (Inspections and repair work).
SUBSECTION
TITLE
20.1 Void inspection.
20.2 Zinc anode inspection.
3.5 Hull cleaning - removal of marine growth. The Contractor shall start cleaning the hull within four hours after the vessel has been lifted, to facilitate marine growth removal. Complete all cleaning operations within 24 hours after the vessel has been listed.
3.6 Immediate work. The Contractor shall perform the following work within 24 hours after the lifting of the vessel.
3.6.1 Temporary protective coverings. As soon as practicable after drydocking and underwater body surface cleaning, install protective coverings, over zinc anodes, hull fairing materials, rudder bearings, stern tube and strut bearings, fin stabilizer, all exterior deck drains and all overboard discharges. Wrap all bearings and seals immediately after the vessel is drydocked to prevent entry of debris, abrasives, and paint during cleaning, surface preparation, and painting. Insert soft caulking material into the open ends of rudder and shaft stave bearings to prevent entry of grit or other foreign material.
NOTICE!
Do not remove protective covers except for inspection or accomplishing specific work items.
3.6.2 Overboard discharge channeling and plugging. Place drain channels in overboard discharges in use to direct discharges away from the hull. Provide and install wooden plugs or coverings in sea chest spool pieces and overboard discharges not in use to prevent entry of sandblast grit or paint.
4. QUALITY ASSURANCE
No additional requirement
5. NOTES
5.1 Drydock terms. As used in these specifications, all references to drydock facilities include graving drydocks, floating drydocks, marine railways, building ways, travel lifts, or vertical lifts.
5.2 Arrival conditions. The Engineering Petty Officer (EPO)} will advise the Contractor of the actual tank and draft readings when the vessel arrives. It is the Contractor's responsibility to discuss and make any ballast requirements known for the contractor's facility to accommodate the vessel's arrival condition.
5.3 Paragraph number relationships. The paragraph number for each subsection listed herein relates directly to identical sub-paragraph numbers in Std Spec 8634_STD.
5.4 Vessel Characteristics. The data shown does not represent the arrival displacement or docking displacement of the cutter.
5.5 Government-furnished property.
| MTI |
| ITEM DESCRIPTION |
| NSN/PN |
| QTY |
| ESTIMATED COST |
($/UNIT)
| N |
| *Transducer cover plate |
| N/A |
| 1 ea. |
| $1,500.00 |
5.6 Cradles. Many of the cradles used to dock the 110's were built to the early drawing 085-002. The newer cradles have been built to 085-010. The drawings show minor variations in dimensions. It should be noted that while the Standard Spec calls for the cradle to be built just to 085-010, a cradle built to 085-002 is acceptable.
86350O_FLT (9 Jan 2007)
WORK ITEM 3: Provide Temporary Logistics
1.1 Scope. This work item describes the requirements for the Contractor to provide temporary logistics.
2. APPLICABLE DOCUMENTS
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 8635_STD, 2004 Edition, Provide Temporary Logistics
3. REQUIREMENTS
3.1 General. The Contractor shall provide the below listed temporary logistics, in accordance with Std Spec 8635_STD (see 5.1):
PARAGRAPH
TITLE
3.2.1 Office space (With refrigerator).
3.2.2 Telephone. (To include long distance line(s).
3.2.3 Parking.
3.2.4 Duty section berthing: 2 male, 0 female. Duty section berthing shall be provided for the entire duration of the availability.
3.2.5 Light and power.
3.2.6 Compressed air.
3.2.7 Hazardous Waste Disposal.
| LIQUIDS (gallons) |
| SOLIDS |
| Used Lube Oil |
| Paint Thinners |
| Engine Coolant |
| Bilge Water |
| Oily Filters |
| Oily Rags |
(lbs) Empty Containers*
| 1-gal |
| 5-gal |
| 55-gal |
| 200 |
| 05 |
| 00 |
| 00 |
| 10 |
| 25 |
| 00 |
| 00 |
| 04 |
*Empty containers that previously housed hazardous materials.
3.2.8 Heavy Lift Equipment: 2 Day(s).
3.2.9 Potable water: 150 gallons, bulk.
3.2.10 Refuse disposal.
3.2.11 Sewage and Grey Water Disposal.
3.2.12 Storage:
· Dry stores.
· Paint and flammable stores.
3.2 Additional temporary logistics. If the performance period of the contract is extended by the Contracting Officer, the contractor shall continue to provide all temporary logistics as specified herein for the extension period.
4. QUALITY ASSURANCE
No additional requirements.
5.1 Paragraph number relationships. The paragraph number for each paragraph listed in 3.1 (General) relates directly to the identical sub-paragraph number in Std Spec 8635_STD.
12311A_FLT (31 Aug 2006)
110B WPB (03 July 2007) 1324_F (21 Sept 2007) WORK ITEM 4: Clean and Inspect Fuel and Oil Tanks
1. SCOPE
1.1 Scope. This work item describes the requirements for the Contractor to clean the following tank(s) and repair tank bulkhead:
| TYPE OF TANK |
| LOCATION |
| CAPACITY |
(gallons)
| Fuel |
| 3-17-1-F |
| 2,560 |
| Fuel |
| 3-17-2-F |
| 2,560 |
| Fuel |
| 3-17-0-F |
| 2,560 |
| Fuel* |
| 3-28-1-F |
| 1,162 |
| Fuel* |
| 3-28-2-F |
| 1,162 |
| Dirty oil** |
| 3-27-1-F |
| 155 |
| Oily Water** |
| 3-27-2-F |
| 155 |
*Due to the complex geometrical shape and hard accessibility, it is very difficult to perform thorough visual inspection of these tanks.
**These tanks are preserved.
2. APPLICABLE DOCUMENTS
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 1998, Cork and Rubber Composition Sheet; For Aromatic Fuel And Oil Resistant Gaskets ASTM International (ASTM) E797, 2005, Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method
3. REQUIREMENTS
3.1 General. The Contractor shall accomplish the following for the designated tank(s):
3.1.1 Related work items. The Contractor shall accomplish this work item in conjunction with the following, which are separate work items in this specification package:
· “Routine Drydocking”.
· “Preserve Oil Tanks”.
3.1.2 Operational test – initial. Prior to commencement of work, the Contractor shall witness an operational pre-test (by Coast Guard personnel) of all designated tank TLIs to demonstrate existing operational condition.
3.1.3 Cleaning requirements. Remove tank cover(s); clean tank interior surfaces free of all foreign materials, such as sediment or sludge, taking care not to damage the coating system (if applicable). Remove cleaning media and residues continuously during the washing process. Remove any residual wash media and wipe up residual moisture with clean cloths.
3.1.4 Waste disposal. Dispose of tank residue and all cleaning fluids in compliance with all applicable Federal, state, and local laws, ordinances and regulations. Document a complete chain of custody record of the removed generated wastes, from the vessel to the point of final destination or delivery. Submit document to the COR upon completion of work.
3.1.5 Inspection. Visually inspect all tank interior surfaces, including, but not limited to bulkheads, floor and overhead plating, structural members, manhole cover surfaces, fasteners and gasket seating surfaces. Submit a CFR including the following, as applicable:
· Tank structural condition.
· Inaccessible areas.
· Condition of tank coating, including measurements taken, percentage, location, and type of coating failure.
· Tank level indicator (TLI) and/or float switch condition.
· Sounding tube and striker plate condition.
· Suction and discharge piping condition.
· Fastener material and condition (correct fastener material is stainless steel).
3.2 Tank Repair. The Contractor shall make required repairs to center fuel tank bulkhead at frame 22 in the engine room.
3.2.1 Ultrasonic thickness measurement. The Contractor shall perform a total of 50 thickness measurements of bulkhead surfaces, in locations designated by the Coast Guard Inspector. Submit a CFR. The ultrasonic apparatus, procedure requirements, and report shall be in accordance with ASTM E797. The report results shall additionally include, for each test point:
1. Location.
· Original metal thickness.
· Measured metal thickness.
· Percent deterioration (calculation is based on the original metal thickness).
3.3 Tank closing. The Contractor shall ensure that the tank(s) remain open for approximately 24 hours after completion of all authorized repair and preservation procedures. Notify the COR at least 24 hours prior to closing the tank(s). After satisfactory inspection by the Coast Guard Inspector and completion of all authorized repairs, close tank manhole cover(s) with new gasket material conforming to AMS-C-6183.
4. QUALITY ASSURANCE
4.1 Apparatus Standardization. The Contractor shall perform ultrasonic equipment standardization in accordance with ASTM E797, Section 7 (Standardization of Apparatus) and Section 8 (Technical Hazards).
4.2 Operational test – final. In the presence of the Coast Guard Inspector, the Contractor shall thoroughly test and prove the TLIs to be in satisfactory operating condition (see 5.1 (Equipment operation)).
4.3 Compartment air test. The Contractor shall air test the designated tanks after tank closing in accordance with Std Spec 0740_STD, Appendix C. Submit a CFR
5. NOTES
5.1 Equipment operation. Coast Guard personnel will operate all shipboard machinery and equipment during all operational tests.
63111A_FLT (04 Jan 2007) REC_12311_FLT /110B WPB (26 June 2006) WORK ITEM 5: Preserve Oil Tanks
1.1 Scope. This work item describes the requirements for the Contractor to preserve the following tank(s):
| TYPE OF TANK |
| LOCATION |
| CAPACITY |
(gallons)
% OF TANK COATING REPAIR
| Dirty oil |
| 3-27-1-F |
| 155 |
| 100 |
| Oily Water |
| 3-27-2-F |
| 155 |
| 100 |
2. APPLICABLE DOCUMENTS
Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0000_STD, 2006 Edition, General Requirements Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 1001_STD, 2004 Edition, Temporary Hull Accesses Coast Guard Commandant Instruction (COMDTINST) M10360.3 (Series), Coatings and Color Manual Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 1998, Cork and Rubber Composition Sheet; For Aromatic Fuel and Oil Resistant Gaskets
3. REQUIREMENTS
3.1 Temporary access openings. Due to limited access to work areas, the Contractor may, with express permission of the COR (via submission of a CFR), cut access holes to facilitate accomplishment of the work specified herein. Perform all work required to open and close the access openings in accordance with Std Spec 1001_STD.
3.2 Preservation requirements. The Contractor shall preserve tank interior surfaces, using the coating system specified for "Tanks and Voids (Fuel/JP-5 Tanks, Service, Storage, Overflow, Drain, Option I)" in COMDTINST M10360.3, Appendix B (Cutters and Boat Interior Painting Systems). If preservation is for less than 100 percent of tank interior surfaces, power tool clean all affected surfaces to "bare metal", in lieu of using abrasive blasting, and feather edges of existing intact coating to the prepared areas, in order to provide a smooth transition with the new paint.
NOTICE!
Surfaces being preserved are considered "critical-coated surfaces".
4. QUALITY ASSURANCE
4.1 In-process quality control measures. The Contractor shall abide by all the safety, preservation, and quality control requirements specified in Std Spec 0000_STD, paragraph titled "General preservation requirements.
This section is not applicable to this work item.
12319A_FLT (23 Jan 2007)
110 B WPB (08 June 2007) WORK ITEM 6: Clean and Inspect Sewage and Grey Water Collection and Holding Tanks
1.1 Scope. This work item describes the requirements for the Contractor to clean the below designated tank(s):
| TYPE OF TANK |
| LOCATION |
| CAPACITY (gallons) |
| Sewage |
| 3-15.5-0-W |
| 554 |
| Forward Grey Water (removable stainless steel tank) |
| 3-23-0-W |
| 83.5 |
| Aft Grey Water |
| 3-28-0-W |
| 144 |
ASTM International (ASTM) D1330, 2004, Standard Specification for Rubber Sheet Gaskets
3. REQUIREMENTS
3.1 General. The Contractor shall do the following for the designated tank(s):
3.1.1 Operational test - initial. Prior to commencement of work, the Contractor shall witness an operational pre-test (by Coast Guard personnel) of all designated tank TLIs to demonstrate existing operational condition.
3.1.2 Tank removal. The Contractor shall remove the forward grey water tank from the cutter for cleaning.
3.1.3 Content removal. Remove and dispose of all residual fluids and/or residues, in accordance with all applicable Federal, state, and local regulations.
3.1.4 Cleaning requirements. Remove manhole cover(s). Clean the designated structure's interior surfaces free of all foreign materials, such as sediment or sludge. Remove all persistent residues, taking care not to damage the tank coating system. Remove cleaning media and residues continuously from the tank during the washing process. Remove any residual wash media and wipe up residual moisture with clean cloths. Collect, contain, and dispose of all wash media, residues, and cleaning materials in accordance with all Federal, state, and local regulations.
3.1.5 Inspection. Visually inspect all interior surfaces; including, but not limited to bulkheads, floor and overhead plating, structural members, manhole cover surfaces, fasteners and gasket seating surfaces. Submit a CFR including the following, as applicable:
· Tank structural condition.
· Inaccessible areas.
· Condition of tank coating, including measurements taken, percentage, location, and type of coating failure.
· Tank level indicator (TLI) and/or float switch condition.
· Suction and discharge piping condition.
· Fastener material and condition (correct fastener material is stainless steel).
3.2 Closing. The Contractor shall ensure that the tanks remain open for approximately 24 hours after completion of the tasks specified above. Notify the COR at least 24 hours prior to closing the tank(s). After satisfactory inspection by the Coast Guard Inspector and after authorized repairs, if any, reinstall manhole cover(s) with new gasket material conforming to ASTM D1330. The Contractor shall clean and reseal all tank sight glasses, if applicable, prior to reinstallation.
4. QUALITY ASSURANCE
4.1 Operational test - final. In the presence of the Coast Guard Inspector, the Contractor shall thoroughly test and prove the TLIs to be in satisfactory operating condition (see 5.1 (Equipment operation)).
5. NOTES
5.1 Equipment operation. Coast Guard personnel will operate all machinery and equipment during all operational tests.
59320A_FLT (18 May 2007) 110B WPB (28 Feb 2006) WORK ITEM 7: Clean Sewage and Grey Water Piping Systems
1. SCOPE
1.1 Scope. This work item describes the requirements for the Contractor to clean the sewage piping system and the grey water piping system (including A/C condensate drain lines).
2. APPLICABLE DOCUMENTS
Coast Guard Drawing 110B WPB 501-001, Rev G, Piping System Schematics Coast Guard Drawing 110B WPB 528-002, Rev E, Sewage Piping Arrangement & Details DOD-STD-2187, Aug 1987, Chemical Cleaning of Salt Water Piping Systems ASTM International (ASTM) D1330, 2004, Standard Specification for Rubber Sheet Gaskets
3. REQUIREMENTS
3.1 General. The Contractor shall clean approximately 300 linear feet of sewage system and grey water piping (inculding A/C condensate drains lines, shown on Coast Guard Drawings 110B WPB 501-001 and 110B WPB 528-002.
3.1.1 Related work items. The Contractor shall accomplish this work item in conjunction with the following, which are separate work items in this specification package:
· “Clean and Inspect Sewage and Grey Water Collection and Holding Tanks”.
· “Preserve Sewage and Grey Water Collection and Holding Tanks”
3.2 Contamination prevention. The Contractor shall take all precautions to prevent contamination of personnel and spaces in accordance with all applicable Federal, state, and local regulations.
3.3 Cleaning plan. The Contractor shall establish a plan for cleaning the designated sewage and grey water piping systems, listing the step by step procedures necessary to ensure that all foreign debris is removed from the piping system.
NOTICE!
Although the Coast Guard prefers pressurized water as the cleaning fluid, the Contractor may propose chemical cleaning as an alternative, providing that the proposed chemical cleaning agent conforms to DOD-STD-2187 (where applicable), is environmentally safe, and pre-approved by the COR. Due to the fact that sewage system piping has historically been difficult to clean by pressure washing only, chemical cleaning is usually required to successfully complete the cleaning process.
3.3.1 Procedure requirements. Ensure that the procedure includes the following:
· Methods of cleaning.
· All safety precautions required during cleaning operations.
· List of qualified personnel who will operate machinery or handle chemicals (see paragraph 4.2 (Personnel qualification) herein).
· Locations in the sewage and grey water piping where cleaning will take place, and any additional fittings necessary.
· Sequence of each location that ensures all piping sections will be cleaned and all foreign debris removed.
3.3.2 Plan submittal. Submit the written plan to the COR for approval at least 48 hours prior to commencing cleaning operations.
3.4 Cleaning operations. Upon approval of the plan, the Contractor shall proceed with the cleaning of all horizontal and vertical runs of the piping system at no more than 25-foot intervals, as follows:
3.4.1 Pump Removal. The Contractor shall remove sewage pump before cleaning piping.
3.4.2 Valves. Replace sewage tank valve(s) with temporary spool piece(s). Visually inspect the valve(s), and submit a CFR. Upon completion of work, reinstall the valve(s).
3.4.3 Cleaning. Continue cleaning until all of the following conditions are met:
· All visible calcium carbonate deposits, solid deposits and build-up are removed from the pipe walls.
· Discharge water from the piping being cleaned is free of all visible scale…
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