YD-254_(SOW).docx

STATEMENT OF WORK

COMMAND/CRAFT: Naval Facilities Engineering Command SSP: SSSD 0039-15 (NAVFAC) 100 Ton Floating Crane (YD-254) SURVEYOR: Rod Taliman

1. SCOPE:

1.1. TITLE: Depot level repairs and Hull Preservation to the 100 Ton Floating Crane (YD-254); accomplish

1.2. LOCATION:

1.2.1. Naval Base San Diego, California / Mole Pier

1.3. IDENTIFICATION:

1.3.1. Quantity (One EA), 100 Ton Floating Crane, Hull Identification Number: YD-254, Length Overall: 175 Feet, Maximum Beam: 76 Feet 5 Inches (including fenders), Craft Draft: 3 Feet 8 Inches (Forward) 4 Feet 8 Inches (Aft), Craft Displacement: 1,420 Long Tons

1.3.2. Quantity (One EA), Underwater Hull of the craft in its entirety, From Keel to Top of the Boottop

1.3.3. Quantity (One EA), Exterior Surfaces of the craft Not Receiving Nonskid Deck Covering in its entirety, From Top of the Boottop up to Deck edge and all Structures Above the Main Deck up to the Crane Tub, including Crane Boom Assembly in its entirety, “A” Frame/Crane Boom Rest including all platforms and ladders, Operator Cab, Upper Machinery Room, Capstan, various Vent and Cross-connect Piping, Rails, Stanchions & Lifelines, Jack Staff & Ensign Staff, Companionway Structure, Sounding Tubes, Storage Lockers, Crane Pedestal Lock

1.3.4. Quantity (One EA), Exterior Surfaces of the craft Receiving Nonskid Deck Covering, Main Deck in its entirety

1.3.5. Quantity (12 EA), Interior Surfaces of the Voids in its entirety (overheads, bulkheads, and decking), Void Numbers, One Port, 2 Port, 3 Port, 4 Port, 5 Port, 6 port, One Starboard, 2 Starboard, 3 Starboard, 4 Starboard, 5 Starboard, and 6 Starboard

1.3.6. Quantity (2 EA), Interior Surfaces of the Ballast Tanks in its entirety (overheads, bulkheads, and decking), Ballast Tank Numbers, One Port, and One Starboard

1.3.7. Quantity (920 LF), Straight Rubber Fender, Location: Port & Starboard Sides Upper & Lower (690 LF), Aft Upper & Lower (153 LF), & Forward Upper (77 LF)

1.3.8. Quantity (6 EA), Corner Rubber Fender, Location: Aft Upper & Lower (4 EA), & Forward Upper (2 EA)

1.3.9. Quantity (One EA), Bilge Pump, Manufacturer: ITT Marlow, Type: Rotary Vane, Model: 2PL3EC, Rating: 142 GPM, Sealing Method: Mechanical Seal, Motor Data: 7.5 HP, 3,460 RPM, Frame Size: 184JM, Enclosure: ODP

1.3.10. Quantity (One EA), Ballast Pump, Manufacturer: Allis Chalmers (ITT), Type: Centrifugal, Horizontal, Model: 600/3 X 1-1/2 X 9 2,000 Series, Rating: 400 GPM @ 26 TDH 800 RPM, Sealing Method: Mechanical Seal, Coupling: Close-coupled. Motor Data: U.S. Electrical Motors, 5 HP, 1,725 RPM, 230/460 volts, 3 phase 60Hz, Frame Size: 184JP, Enclosure: ODP, Has 120 volts strip heater.

1.3.11. Quantity (One EA), Fire Pump, Manufacturer: Allis Chalmers (ITT), Size: Centrifugal, Horizontal, Model: 600/3 x 1-1/2 x 9 2000 Series, Impeller Diameter: 8.911, Rating: 142 GPM @ 90 TDH, 140 RPM. Motor Data: U.S. Electrical Motors, 7.5 HP, 1,740 RPM, 230/460 volts, 3 phase 60Hz, Frame Size: 2P3JP, Enclosure: ODP, Has 120 volts strip heater.

1.3.12. Quantity (29 EA), Bilge Pump System Valves, 19 EA 2” Stop Check Valves (2-14-2 Through 2-14-36), 6 EA 2” Gate Valves (1-16-2, 2-14-48, 2-14-46, 2-14-44, 2-14-38, 2-15-2), 3 EA 3” Gate Valves (2-14-42, 2-15-8, 2-14-40), One EA System Relief Valve

1.3.13. Quantity (9 EA), Ballast Pump System Valves, 4” Gate Valves (2-15-22, 2-15-18, 2-15-16, 2-14-50, 2-14-52, 2-15-26, 2-15-14, 2-15-12), One EA System Relief Valve

1.3.14. Quantity (9 EA), Fire Pump System Valves, 3” Gate Valves (2-15-20, 2-15-10, 2-15-6, 2-14-1, 1-17-1, 1-7-1, 1-17-2, 1-19-2), One EA System Relief Valve

1.3.15. Quantity (3 EA), System Piping and Pressure Gages (Bilge System, Ballast System, and Firemain System)

1.3.16. Quantity (3 EA), Circuit Breakers (Bilge Pump, Ballast Pump, and Fire Pump)

1.3.17. Quantity (One EA), Shipboard Electrical Cable Test, Machinery Room

2. REFERENCES:

2.1. FY15 NAVSEA Standard Items

2.2. Navigational Rules, International-Inland, COMDTINST M16672.2D

2.3. SL740-AA-MAN-010 R1, U.S. Navy Towing Manual (Sep 1988)

2.4. 085-7543638 Rev-2, Docking Plan

2.5. MIL-STD-1625D, Safety Certification Program for Drydocking Facilities & Shipbuilding Ways for U.S. Navy Ships

2.6. UFC 4-213-10, Design: Graving Dry docks dated 15 August 2002 Change 1, 1 September 2012

2.6.1. MIL-STD-3007F, Standard practice For Unified Facilities Criteria And Unified Facilities Guide Specifications

2.7. S9086-7G-STM-010/CH 997, Docking Instructions and Work in Drydock

2.8. S9086-CH-STM-010/CH 074 (Volume 1), Welding and Allied Processes

2.9. T9074-AS-GIB-010, NSTM Chapter 271, Requirements For Nondestructive Testing Methods

2.10. MIL-STD-2035A, Nondestructive Testing Acceptance Criteria

2.11. 21065 Rev-A, (SHT 1), Mooring & Towing System (Fenders)

2.12. 21082 Rev-A, Cathodic Protection

2.13. 21010 Rev-1, (Sheet 1) General arrangement, Outboard Profile

2.14. 21010 Rev-1, (Sheet 2) General arrangement, Deck Plan

2.15. 22101, Side Shell PL & FR

2.16. 22102 Rev-A, Bottom Shell PL & FR

2.17. 22104 Rev-A, FWD Rake End Framing

2.18. 22105 Rev-A, Aft Rake End Framing

2.19. 22201 Rev-A, Longitudinal Structural Bulkheads

2.20. 22202 Rev-A, Transverse Bulkheads

2.21. 22401, Scantling Profile

2.22. 22410 Rev-A, Boom Rest Arrangement & Details

2.23. 21065 Rev-A, (SHT 2) Mooring & Towing System

2.24. 21020, Hull Marking

2.25. 2392 Rev-A, Logo & Capacity Signs

2.26. Crane Alteration Request (CAR): 62473SD-07-030A, Upgrade Barge Safety Rail

2.6.1 CAR: N62473SD-07-030B, Improve Safety Rails

2.27. 804-5184155, Life rails, Lifelines & Awning Stanchions

2.28. 804-2258314 Rev-A, Toggle Pins

2.29. 612-H05211, Standard Liferail Stanchion Static Test

2.30. S9086-RK-STM-010/CH-505, Piping System

2.31 Owner’s & Operator’s Manual, Bilge Pump System

2.32 Owner’s & Operator’s Manual, Ballast Pump System

2.33 Owner’s & Operator’s Manual, Fire Pump System

2.34 Attachment “A”, Management and disposal of all Hazardous Waste.

3. REQUIREMENTS:

3.1 TOWING (Paragraphs 3.1 through 3.8.3): Provide pilot, towing bridle, and towboat services and tow the craft from Naval Station, San Diego, California to the contractor’s facility, in accordance with 2.3. Upon completion of repairs and preservation, tow the craft back to Naval Base San Diego, California.

3.1.1 Accomplish the pick-up and delivery between the hours of 0800 and 1500 Monday through Friday.

3.2 Provide and maintain 2-way radio communication between the towing tug and the craft at all times when manned.

3.3 Maintain the craft in a seaworthy condition during towing in accordance with 2.2 and 2.3.

3.4 Prior to towing, accomplish the following:

3.4.1 Install and maintain lights in accordance with 2.2 and 2.3.

3.4.2 Provide self-contained gasoline powered portable emergency bilge pumps, minimum capacity 250 GPM, with suction and discharge hoses and fuel supply to sustain running time for each pump for duration of tow.

3.4.3 Remove and dispose of water and sludge from the bilges.

3.4.4 Lash furniture and equipment to prevent damage during rough seas.

3.4.5 Secure hatches, doors and openings.

(V)(G) “VERIFY VALVE POSITION”

3.4.6 Lock all sea valves in the closed position by securing with doubled and twisted wire (0.060 inch minimum wire diameter).

3.4.6.1 Attached the wire to each sea valve’s hand wheel and the other end of the wire to the nearest structural component/appendage that tends to pull the hand wheel in the direction closing the valves.

3.5 Upon completion of the tow, remove equipment installed in previous paragraphs and return the craft to its original condition.

3.5.1 Unlash all furniture and equipment lashed during the tow and return to the original location.

3.5.2 Remove any covers installed to meet the requirements of 3.4.5.

3.6 Accomplish the requirements of 009-12 of 2.1 including Table 3, Column A, Lines One thru 7 and 10.

3.7 Provide mooring lines and secure the craft to the pier at the contractor’s facility. Place fenders between the craft and the pier.

3.7.1 Lines shall be double braided nylon per MIL-DTL-24050.

3.7.2 Minimum numbers of lines shall be 2 pairs of 5 inches circumference spring lines and 4 each 6 inches circumference breast lines.

3.8 Secure the craft to the pier upon arrival at Naval Station, San Diego, California.

3.8.1 PRIOR to disassembly of craft, operate generator and HVAC to verify proper operation and output of generator and HVAC. Submit report of operational test to CPOC/TPOC.

3.8.2 Provide services and materials to retain and store generator and HVAC system components.

3.8.3 Provide maintenance materials and services:

3.9 DRYDOCKING and UNDOCKING (Paragraphs 3.9 through 3.21.1): Furnish a sound dock, qualified personnel, plus necessary equipment to dock the barge in accordance with 2.4.

3.9.1 The barge will not be drydocked or undocked on a long weekend associated with Federal Holiday. If the contractor elects to drydock or undock the barge on any other weekend, a request shall be submitted to the SUPERVISOR at least three working days in advance in writing.

3.9.2 Provide the services of a dock master who has been certified by the contractor and accepted by the SUPERVISOR. Provide the necessary supporting personnel to satisfactorily accomplish docking and undocking.

3.9.3 Provide tugs and personnel for the complete transfer, docking, and undocking of the barge.

3.9.4 Drydock facility shall have alternative/backup electrical power distribution for drydocking and undocking of the barge, in event of shore power failure.

3.9.5 Notify the SUPERVISOR, Code 370, Phone Number (619) 572-3345 and NAVFAC POC Thomas Carey Phone: (619) 571-4169 Cell, or (619) 556-8582 Office, 48 hours prior to actual drydocking, shifting and undocking of the barge.

3.10 Provide the following information to the SUPERVISOR: drydock operation procedures, personnel, personnel qualifications, manning procedures, and procedures for protection while the barge is in dock, all prepared in accordance with 2.5, five working days prior to schedule docking.

(I)(G) “BLOCK ALIGNMENT”

3.11 Provide, set, and align blocks using 2.5 for guidance. Blocking shall be positioned to ensure that the equipment on the surface or protruding from the hull will not damage and shall be accessible for removal and repairs. Provide at least the minimum clearances between the barge’s hull and drydock necessary to accomplish drydock work within these specifications. The minimum clearance shall comply with the requirements of 2.5.

3.11.1 Submit one legible copy, in hard copy and electronic media, of a report of any proposed deviation from 2.5 to the SUPERVISOR a minimum of five working days prior to the scheduled docking date.

3.11.2 Blocking material/construction requirements.

3.11.2.1 The term HARDWOOD for the purpose of this specification includes: White Oak, California Laurel, Oregon Myrtle, Iron Bark, Blue Gum, American Rock Elm, or preserved Red Oak.

3.11.2.2 The normal life span for hardwood blocking is about ten rears. Nevertheless, blocking showing evidence of: excessive crushing, warping, caused by checking, unequal shrinkage and deterioration to an extent of no longer being capable of supporting a prescribed load over full bearing areas is not acceptable and shall be replaced.

3.11.2.3 Wood acceptable for use as soft caps are: Douglas Fir, Tamarack, Long Leaf Pine, or Hemlock.

3.11.2.4 Design and construction of composite blocking shall be equivalent to the requirements of Chapter 8, Section one, of 2.6, and 2.6.1.

3.11.2.5 Composite blocking showing evidence of spalling cracks and chipped and damaged concrete is not acceptable.

3.11.3 Proposed deviations shall include supporting data that substantiating that the block loading pressures are limited to a maximum of 20 long tons per square foot and that at least 90 percent of blocks land of longitudinal strength members or main transverse bulkheads.

3.11.4 Crib or brace blocking in accordance with 2.7 using the drawing applicable to contractor’s facility.

3.11.4.1 Aspect ratio for un-cribbed keel blocks shall not exceed 2.0 where the aspect ratio is defined as the block height divided by the horizontal dimension for the longitudinal and transverse direction, each checked separately.

3.11.4.2 Side blocks with a longitudinal dimension less than 24 inches shall be longitudinally braced or cribbed when their height as measured from the base to the highest corner of the soft cap exceeds 3 times the longitudinal dimension. Bracing shall be by an approved method.

3.11.5 Construct blocking of hardwood or composite concrete/hardwood and soft caps as specified in 2.5 with at least two inches of soft cap thickness.

3.11.6 Universal side blocks may not be used.

3.12 Conduct a docking conference within two working days prior to docking, attended by the SUPERVISOR, and the Contractor’s Dock master, who will be present during the time of docking.

3.12.1 Submit a plan to the SUPERVISOR for docking which shall contain, as a minimum, the following information: Tide situation, tug arrangements, line handling, electrical shore power grounding, and other services and procedures.

(I)(G) “BLOCK INSPECTION”

3.13 Prepare dry dock for inspection at least 24 hours prior to propose docking.

3.13.1 Accomplish a final block inspection with the SUPERVISOR immediately prior to flooding of the dock.

(I)(G) “DRYDOCKING”

3.14 Dry dock barge without strain in accordance with 2.4 and 2.6.

3.14.1 Inspect the fit on the blocks immediately after the barge was dry dock. Wedge as necessary to achieve 100 percent hull contact with blocks.

3.15 Wash down the entire dock basin to remove silt, mud, and debris immediately after the barge is docked.

3.16 Electrically connect the barge’s hull, when in dry dock, at the bow and stern of the craft with minimum of 500,000 circular mil cables, and to the ground connection in dry dock for protection against lightning and other static charges in accordance with paragraphs 074-5.8 through 074-5.13 of 2.8.

3.16.1 Connect the static ground leads to the barge being docked before water is pumped to one foot above keel level.

3.17 Hydro blast the craft’s underwater hull and fittings with water of at least 3,000 PSIG pressure and remove dirt, slime, marine growth, fouling, and other foreign substances within 8 hours after docking.

3.18 Inspect underwater hull and underwater appendages for conformance with 2.4. Correct 2.4 to conform to barge’s hull form and appendages.

3.18.1 Submit two marked-up copies of 2.4, showing corrections, to the SUPERVISOR.

3.18.2 Shift the barge on the blocks and ensure 100 percent bottom cleaning.

3.19 Submit two legible copies of a report to the SUPERVISOR prior to undocking, certifying that contractor work in the specifications requiring the barge to be in dry dock, including welding on interior surfaces of underwater hull and Quality Assurance requirements, are in fact complete.

3.20 Conduct an undocking conference similar to that in 3.12, a minimum of one working day prior to undocking.

(I)(G) “UNDOCKING”

3.21 Undock the barge at a date and time mutually agreed upon by the SUPERVISOR and the Contractor.

3.21.1 Stop flooding the dry dock before the barge lift off the blocks. Accomplish a watertight integrity inspection of Contractor work affecting water tightness of the hull below the hull below the water line. Continue flooding of the dock when directed by the SUPERVISOR.

3.22 RUBBER FENDERING (Paragraphs 3.22 through 3.22.3): Accomplish the following repairs to the rubber fenders located on the Upper and Lower Exterior Sides of the craft’s hull on Port, Starboard, Forward and Aft, using 2.11 and 2.13 for guidance.

3.22.1 Remove existing procure new and install in its entirety, each rubber fender throughout the craft, listed in 1.3.7 and 1.3.8.

3.22.1.1 New rubber fenders shall be gray colored non-marking type and pre-shaped to suit corner radii. The new rubber fenders shall match the existing in size, length and shape.

3.22.2 Remove, template from existing material and size, fabricate and install new in its entirety, each upper & lower, forward & aft rubber fender flat bar mounting brackets/pipe fender holders.

3.22.2.1 All repaired sections of rubber fender mounts and upper and lower rubber fenders, shall be restored to design specifications

3.22.3 Remove, template from existing material and size, procure and install new in its entirety, each rubber fender fastener.

3.23 VOIDS, BALLAST TANKS, and STRUCTURAL REPAIRS (Paragraphs 3.23 through 3.23.12.3): Accomplish air testing to 12 each voids and 2 each ballast tanks as identified in 1.3.5 and 1.3.6. Accomplish structural repairs as listed in 3.23.4 through 3.23.7, 3.23.8.2, and in accordance on the results listed in 3.23.1.1, 3.22.2.2, and 3.27.2, using 2.8 through 2.28 for guidance.

(I)(G) “PRELIMINARY AIR TEST”

3.23.1 Accomplish the requirements of 009-25 of 2.1, for the preliminary air test of 12 each voids and 2 each ballasts tanks prior repairs and preservation. Test pressure shall be 2 PSIG. Test pressure for 15 minutes for temperature stabilization to start of test. Hold test pressure for 10 minutes. Allowable drop in pressure: None.

3.23.1.1 Submit legible copy, in hard copy and electronic media, of a report listing results of preliminary air test to SUPERVISOR within 24 hours of completion of testing.

(I)(G) “FINAL AIR TEST”

3.23.2 Accomplish the requirements of 009-25 of 2.1, for the final air test of 12 each voids and 2 each ballasts tanks after repairs and preservation. Test pressure shall be 2 PSIG. Test pressure for 15 minutes for temperature stabilization to start to test. Hold test pressure for 10 minutes. Allowable drop in pressure: None.

3.23.2.1 Accomplish final air test only to the tanks that had structural repairs or tanks that were unsatisfactory tested during preliminary testing.

3.23.2.2 Submit legible copy, in hard copy and electronic media, of a report listing results of final air test to SUPERVISOR within 24 hours of completion of testing.

3.23.3 Remove and accomplish the requirements of 009-32 of 2.1, including Table 5, Line 26, Columns A and B for the powder coating of 14 each voids and ballast tanks manhole covers.

3.23.3.1 Final color of covers shall be deck gray.

3.23.3.2 Reinstall covers using new gaskets and new CRES fasteners.

3.23.3.3 Stencil with red paint on each manhole cover in “2” Capital lettering the following: “DO NOT ENTER UNLESS CERTIFIED SAFE FOR MEN BY A QUALIFIED GAS FREE ENGINEER”.

3.23.4 V-out and re-weld an accumulative combined total of 100 linear feet of deteriorated welds throughout the craft.

OPTION ITEM-One (Paragraph 3.23.5 only)

3.23.5 Remove existing and install new, an accumulative combined total of 100 square feet of hull plating including stiffeners, throughout the craft

3.23.6 Remove existing and install new, 32 square foot of outboard side hull plating located in void 3P.

3.23.7 Remove existing and install new, 32 square foot of outboard side hull plating located in void 5S.

OPTION ITEM-2 (Paragraph 3.23.8 and 3.23.8.1)

3.23.8 Remove existing and install new, an accumulative combined total of 7,800 square feet of deck plating including stiffeners, throughout the craft main deck.

3.23.8.1 Accomplish the hull and deck plating repairs with the concurrence of the SUPERVISOR for exact locations.

3.23.9 Remove existing and install new, an accumulative combined total of 100 linear feet of 3 inch waterway bar/coaming throughout the main deck outboard edge.

(I)(G) “VISUAL INSPECTION”

3.23.10 Accomplish a complete inspection on crane boom assembly in its entirety, for structural integrity to include welds, lacing, cords, and cat walks for cracks.

3.23.10.1 Submit legible copy, in hard copy and electronic media, of a report listing results of visual inspection to SUPERVISOR within 24 hours of completion of inspection.

OPTION ITEM-3 (Paragraph 3.23.10.2 and 3.23.10.3)

3.23.10.2 V-out and re-weld an accumulative combined total of 25 linear feet of deteriorated welds throughout crane boom assembly. Structural repairs to the boom shall be IAW OEM procedures to be provided by NAVFAC personnel as reported in paragraph 3.23.10.1.

3.23.10.3 Accomplish the requirements of 009-12 of 2.1, in accordance with Table 3, Columns A, Lines One through 7 and 10 for all crane boom repairs.

3.23.11 Dispose of contaminated diesel fuel inside starboard fuel tank, listed in paragraph 3.5.12 of the Attachment-A located inside of the upper machinery room.

3.23.12 Use clean container, empty starboard fuel tank, store fuel for later use, listed in paragraph 3.5.11 of Attachment- A located inside of the upper machinery room.

3.23.12.1 Clean and gas free port and starboard fuel tanks prior to hot work.

3.23.12.2 Accomplish the preliminary and final tanks air test, in accordance with paragraphs 3.23.1 and 3.23.2.

3.23.12.3 Accomplish a complete inspection on each fuel tank in its entirety, for structural integrity to include welds, sounding tubes, and ladders for cracks. Submit report to SUPERVISOR 24 hours after the completion of inspection.

3.24 RAILS, STANCHIONS, & LIFE LINES: (Paragraphs 3.24 through 3.24.5): Remove existing and install new in its entirety, each rails, stanchions, safety chains, anchor shackles, and snap hooks, in accordance with 2.26, using 2.27 and 2.28 for guidance.

3.24.1 Accomplish the requirements of 2.26 (Upgrade Barge Safety Rail) and 2.26.1 (Improve Safety Rails).

3.24.1.1 Replace all stanchion sleeves with new and add an additional 4”X4” steel doubler plate under the stanchion new sleeves, in accordance with 2.26.1.

3.24.2 Replacement galvanized steel safety chain shall meet the following federal specifications: RR-C-277 ¼” type 1 GR C.

3.24.2.1 Cut chain length to not exceed distance between stanchions to make every sector removable as needed by the operators.

3.24.2.2 Chain sag shall not exceed 39” from the deck surface.

3.24.3 Replacement galvanized steel anchor shackles shall meet the following federal specifications: RR-C-271 5/16” type IV CL 1.

3.24.4 Replacement galvanized steel span hooks shall meet the federal specifications: US FORGECRAFT #3047 or equal.

3.25.2.1 Pins and lanyards material shall be CRES.

(I)(G) “STATIC TEST”

3.24.5 Accomplish a static test on 10 percent of the new lifeline stanchions and sockets, in accordance with 2.29.

3.25 CRAFT PRESERVATIONS (Paragraphs 3.25 through 3.25.2.3) Accomplish preservation to craft identified in 1.3.1, using 2.12 through 2.28 for guidance.

3.25.1 Record existing periphery lines, exact locations, painted stenciling, colors and dimensions of exterior and interior paint coatings and non-skid deck covering throughout the craft.

3.25.2 Shroud the entire craft to contain debris and airborne contaminants generated by abrasive blasting.

3.25.2.1 Install temporary wood covering to all doors, hatches, windows, voids and ballast covers, port lights, and any opening caused by equipment removed for repairs.

3.25.2.2 Provide sealed protective covering to main slew bearing and machinery, sheaves, wire ropes, heel pins, light fixtures, sound powered phone, conduit, wiring on the “A frame electrical parts, electrical wiring, load cells, all associated mechanical parts, electrical boxes, three load cells, and all associated boom mechanical parts from both side windows, front window and upper cab window prior blasting, painting, and deck resurfacing operations.

3.25.2.3 Notify SUPERVISOR/BSVE POC in advance as to when the boom will be blasted to bare metal and available for inspection. NAVFAC SW will send their crane engineer to the dry dock to perform a complete boom inspection / evaluation.

3.25.3 Accomplish the requirements of 009-32 of 2.1, including Table One, Line 3, Columns A, B, E, F, and G for the craft’s underwater hull as identified in 1.3.2.

(I)(G) “SHIFTING ON BLOCKS”

3.25.3.1 Reposition craft’s supporting blocks to permit 100 percent preservation.

3.25.3.2 Final color of underwater hull antifouling coating shall be Black.

3.25.4 Accomplish the requirements of 009-32 of 2.1, including Table 2, Lines One, 2, 3, or 4, Columns A, B, C, E through G for the preservation of the craft’s exterior surfaces not receiving nonskid deck covering as identified in 1.3.3.

3.25.4.1 Apply hull lettering, draft marks and stenciling as recorded in 3.25.1, in accordance with 2.24 and 2.25.

3.25.5 Accomplish the requirements of 009-32 of 2.1, including Table 2, Line 5, Columns A, B, C, and E for the preservation of exterior surfaces of the craft’s main deck as identified in 1.3.4.

3.25.5.1 Final color of nonskid shall be dark gray.

3.25.5.2 Nonskid shall be applied from side to side and from end to end with the exemption of a four inch border around distinguishing figures, waterway bars, deckhouses, trunks, manholes, hatches, mooring fittings, deck edge, pad eyes, crane boom rest structures, crane tub structure, stanchions, companionway, storage locker, and around various vents, cross-connects, and sounding tube piping.

3.25.6 Accomplish the requirements of 009-32 of 2.1, including Table 4, Line 20, Columns A through C for the preservation of 12 each voids as identified in 1.3.5.

3.25.7 Accomplish the requirements of 009-32 of 2.1, including Table 4, Line 14, Columns A through C for the preservation of 2 each ballast tanks as identified in 1.3.6.

3.26 UNDERWATER HULL and MAIN DECK PLATING ULTRASONIC INSPECTION (U/T): (Paragraphs 3.26 through 3.26.3.5) Accomplish the requirements of 009-12 of 2.1, including Table 4, Column(s) A, Line 9 Ultrasonic Inspection (UT) on craft listed in 1.3.1, using 2.1 through 2.24 for guidance.

3.26.1 Accomplish an ultrasonic thickness survey on the entire underwater hull shell and main deck plating, in accordance with paragraph 6 of 2.9.

3.26.2 The Survey shall be conducted of each intersecting point of 3 foot grid pattern to the entire Main Deck plating with the exception of the 40 LF X 60 LF of reinforced plating located mid forward of the craft.

3.26.2.1 Take an additional 250 each U/T readings to be identified by the SUPERVISOR.

3.26.3 The Survey shall be conducted of each intersecting point of one foot grid pattern to the entire underwater hull up to the bootop.

3.26.3.1 List in columns the actual readings taken, the design thickness, the minimum allowable thickness, and the amount the actual reading is above or below minimum allowable thickness.

3.26.3.2 Notate if reading is taken over an existing doubler or insert plate.

3.26.3.3 Highlight or bold, actual readings that are taken that are at or below minimum allowable thickness.

3.26.3.4 List specific locations with respect to the structural members or measurements from suitable reference points.

3.26.3.5 A sketch of the underwater hull plating with the reading locations annotated and a separate sheet with the appropriate data is an acceptable alternative.

(I)(G) “FORMAL HULL INSPECTION”

3.27 UNDERWATER HULL and MAIN DECK PLATING INSPECTION (Paragraphs 3.27 through 3.27.2): Accomplish a formal inspection after the first coat of primer of craft underwater hull and main deck plating, including structural members for structural integrity, deterioration, pitting, cracks, and areas of damage or distortion, using 2.12 through 2.25 for guidance.

3.27.1 Mark off each defective area found on the hull during the inspection with white limestone.

3.27.2 Submit legible copies, one in hard and one in electronic format, of a report listing the results of 3.27, to the SUPERVISOR within 24 hours of completion of inspection.

3.28 UNDERWATER HULL ZINC ANODES REPLACEMENT (Paragraphs 3.28 through 3.28.3)

3.28.1 Template from existing size and materials, remove and install new in its entirety, all underwater zinc anodes on craft identified in 1.3.1, using 2.12 for guidance.

3.28.2 Install new zinc anodes, using new CRES washers (flat and locking/star), nuts and locking wires.

3.28.3 Remove existing and install new, 15 each zinc anode studs.

3.29 DOOR, VENT COVERS, DECKING REPAIRS and PRESERVATION (Paragraphs 3.29 through 3.29.2)

3.29.1 Remove existing, repair, preserve, and reinstall, each door (one each 60” X 31”) and vent covers (4 each 18” X 18”, and one each 31” X 22”) located in companionway exterior structure.

3.29.1.1 Preservations of door and vent covers shall be in accordance with paragraphs 3.25.4.

3.29.1.2 Reinstall door and vent covers using new gaskets.

3.29.1.3 Tap and die each treaded vent cover locking devices.

3.29.1.4 Lubricate exposed working parts, using general purpose grease conforming to MIL-PRF-24139.

3.29.1.5 Apply zinc dust-petrolatum ant seize compound conforming to commercial specifications A-A59313 to all fastener threads.

3.29.1.6 Adjust the dog hinges, and wedges for positive dogging action.

(V)(G) “CHALK TEST”

3.29.1.7 Accomplish a chalk test on watertight door and vent covers installed. Chalk imprint shall be centered with 100 percent contact.

(V)(G) “DOOR & VENT COVERS OPERATIONAL TEST”

3.29.1.8 Accomplish an operational test of watertight door and vent covers installed. Open and close for four complete cycles. Allowable sticking or binding: None.

3.29.2 Reseal decking with approved marine type sealant, each footing of fuel tanks, engine coolant reservoir, radiator fans, and each piping located on top of the upper machinery room.

3.30 PUMPS and MOTOR OVERHAULS (Paragraphs 3.30 through 3.30.4)

3.30.1 Remove, disassemble, repair/overhaul, and reinstall pumps and motors listed in 1.3.9 through 1.3.11.

3.30.2 Accomplish a Class “B” overhaul on each pump including cutting of wearing ring clearances, in accordance with manufacturer specifications/instructions.

3.30.2.1 Reassemble each pump using new fasteners, gaskets, “O” Rings, mechanical seals, packing, shaft sleeves, casing & impeller wearing rings, and vanes.

(I)(G) “VERIFY NEW PARTS”

3.30.2.2 Fit and install new parts to each pump.

(I)(G) “HYDROSTATIC TEST”

3.30.2.3 Accomplish hydrostatic testing to each pump using clean fresh water.

3.30.3 Accomplish the requirements of 009-17 of 2.1, on each pump electrical motor.

(I)(G) “DYNAMIC BALANCE”

3.30.4 Accomplish the requirements of 009-15 of 2.1, for each pump and motor rotating assemblies.

3.31 VALVES OVERHAUL (Paragraphs 3.31 through 3.31.4.2)

3.31.1 Test, tag, and color codes each valve hand wheel, in accordance with 2.30.

(I)(G) “FOREIGN MATERIAL EXCLUSION (FME) INSPECTION”

3.31.2 FME shall be installed on each equipment or piping opening on board the craft, upon removal of each valve and pump or any equipment removed that will cause system contamination, in accordance with 2.1.

3.31.3 Accomplish the requirements of 009-47 of 2.1, for the repairs of gate valves listed in 1.3.12 through 1.3.14, using 2.30 through 2.33 for guidance.

(I) (G) “INSPECT CONTACT”

3.31.3.1 Inspect contact using blueing method.

3.31.3.2 Transfer line shall not exceed 3/16-inch in width and shall appear within the lower 75 percent of the gate seating surfaces.

(I) (G) “SEAT TIGHTNESS”

3.31.3.3 Test for seat tightness alternately on each side of gate for double seated valves, and on outboard side only for single-seated valves, with the opposite side open for inspection.

3.31.3.4 Do not exceed the hand wheel closing force specified in Table 505-11-2 of 2.30.

3.31.3.5 Test shall not continue for a minimum of 3 minutes if there is no evidence of leakage, or in the event of visible leakage, until accurate determination of leakage can be made. Maximum allowable leakage: 10 cubic centimeters (cc) per hour, per inch of nominal pipe size.

3.31.4 Remove template from existing, procure, and install new, 3 each relief valves listed in 1.3.12 through 1.3.14, using 2.31 through 2.33 for guidance.

(I) (G) “SHOP TEST”

3.31.4.1 Shop test and set each valve to lifting pressure.

3.31.4.2 Seat tightness test shall be accomplished for a minimum of 3 minutes. Allowable leakage: None.

3.31.4.3 Purge valve of test medium.

3.31.4.4 Install wire and lead lock seals.

3.31.4.5 Attached metal tags and stamped information in accordance with 2.30.

3.31.5 Accomplish the requirements of 009-51 of 2.1, for the repairs and testing of Globe Stop Check Valves listed in 1.3.12, using 2.30 and 2.31 for guidance.

(I) (G) “INSPECT CONTACT”

3.31.5.1 Inspect contact using blueing method.

3.31.5.2 Transfer line shall not exceed 1/16-inch in width.

3.32 SYSTEM PIPING PRESSURE TEST Gages (Paragraph 3.32 through 3.32.2.1)

(I)(G) “SYSTEM PRESSURE TEST”

3.32.1 Accomplish the requirements of pressure testing of each new and disturbed piping system listed in 1.3.15, in accordance with 2.30.

3.32.1.1 Accomplish 3.32.1 only after all each valves listed in 1.3.12 through 1.3.15 had been reinstalled back into the systems.

3.32.1.2 Submit legible copies, one in hard and one in electronic format, of a report listing the results of 3.22.1, to the SUPERVISOR within 24 hours of completion of inspection.

3.32.2 Template from existing size and materials, procure, and install new, 3 each pressure gages listed in 1.3.15, using 2.31 through 2.33 for guidance.

3.32.2.1 Accomplish the requirements of 009-14 of 2.1, for the 3 each new gages.

3.33 ELECTRICAL and CIRCUIT BREAKERS REPAIR (Paragraph 3.33 through 3.33.2)

3.33.1 Accomplish the requirements of 009-75 of 2.1, to each circuit breaker listed in 1.3.16, using 2.31 through 2.33 for guidance.

3.33.2 Accomplish the requirements of 009-22 of 2.1, to each shipboard electrical cable in its entirety in the location listed in 1.3.17, using 2.31 through 2.33 for guidance.

(I)(G) “PRELIMINARY VISUAL INSPECTION/OPERATION TEST”

3.34 Accomplish a preliminary visual inspection and operational testing in its entirety on each component listed in 1.3.9 through 1.3.17 after completion of paragraphs 3.30 through 3.33.2.

3.34.1 Submit legible copies, one in hard and one in electronic format, of a report listing the results of 3.24, to the SUPERVISOR within 24 hours of completion of inspection.

OPTION ITEM-3 (Paragraph 3.34.2 through 3.34.3)

3.34.2 Accomplish the requirements of 009-90 of 2.1, for the accomplishment of paragraph 3.34.

3.34.2.1 Original Equipment Manufacturer (OEM) technical representative shall only assist contractor for the inspections and operational testing of the Bilge, Ballast, and Fire/Firemain Systems.

3.34.1.2 Submit legible copies, one in hard and one in electronic format, of a report listing the results of 3.34.2, to the SUPERVISOR within 24 hours of completion of inspection.

3.34.3 Contractor shall accomplish 2 each training sessions with NAVFAC personnel in the operation of the Bilge, Ballast, and Fire/Firemain Systems, in accordance with the 2.31, 2.32, and 2.33.

(I)(G) “FINAL VISUAL INSPECTION/OPERATION TEST”

3.35 VISUAL/ACCEPTANCE INSPECTION and OPERATION TESTING (Paragraphs 3.43 through 3.38)

3.35.1 Accomplish a final visual/acceptance inspection and operational testing with the SUPERVISOR and NAVFAC POC after the completion of repairs and preservation on craft identified in 1.3.1, to verify each repairs and preservation accomplished in paragraph 3.1 through 3.34.2 were accomplished in accordance with the SOW.

3.35.2 Submit two legible copies, one in hard and one in electronic format, of a report listing the results of 3.35, including needed repairs and materials recommendation to the SUPERVISOR within 24 hours of completion of inspection/operational testing.

3.36 Fabrication, welding, inspection, testing, and acceptance of structural repairs shall be in accordance with 2.8 through 2.10.

3.37 a

3.38 Accomplish the requirements of Attachment “A” listed in 2.34 for the management and disposal of all hazardous waste through completion of this availability.

3.39 Accomplish the requirements of 009-32 of 2.1, for each new and disturbed surface.

4 NOTES:

4.1 Open water is defined as any water beyond the “COLREGS” demarcation line shown on the respective navigational chart governing each port that the barge is to be towed from.

4.2 Naval Facilities Engineering Command (NAVFAC) POC: Thomas Carney; Phone: (619) 571-4169 Cell, or (619) 556-8582 Office; E-mail: Thomas.carney1@navy.mil

4.3 Project Manager (PM): Rodelio Taliman; Phone: (619) 556-9355; E-mail: Rodelio.taliman@navy.mil

4.4 Shipbuilding Specialist (SBS): Michael Tabor; Phone: (619) 251-1428; E-mail: michael.tabor@navy.mil

4.5 Shipbuilding Specialist (SBS): Edwin Cabal; Phone: (619) 250-9278; E-mail: edwin.f.cabal@navy.mil

5 GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 None.