FB Specs.pdf

SPECIFICATIONS FOR MAINTENANCE AND REPAIR OF USAV FERRYBOAT 814 (FB)

Contract References:

U.S. Coast Guard (USCG) Regulations: 46 CFR. Subchapter T, Small Passenger Vessels (175-187).

American Bureau Of Shipping (ABS) Rules For Building and Classing Steel Vessels Under 90 Meters.

Institute Of Electrical and Electronic Engineers Standards, Publication No. IEEE-45, Recommended Practice for Electrical Installations on Shipboard (2002).

Department of the Army Technical Bulletin 43-0144, dated November 2005, entitled: "Painting of Watercraft."

AR 750-1 Army Material Maintenance Policy

AR 56-9 Army Intratheater Watercraft Systems

American Boat & Yacht Counsel (ABYC) AC and DC Electrical Systems on Boats. ABYC E-11.

STATEMENT OF WORK: The Contractor shall provide the services of a qualified marine repairer during the performance of work as described in the following specification items. The Contract Officer’s Representative and Marine Surveyor shall be a member of the West Point Harbor Craft unit.

C.XXX. HULL CLEANING AND PAINTING (UNDERWATER AREAS AND EXTERNAL HULL)

C.XXX.1. References:

C.XXX.1.1. Department of the Army Technical Bulletin 43-0144, dated November 2005, entitled: "Painting of Watercraft."

C.XXX.2. Scope of Work: Adhere to listed requirements and abrasive blast, clean and paint the below designated surfaces using materials of the listed specifications.

C.XXX.3. Requirements:

C.XXX.3.1. Prior to any abrasive blasting as specified in this item, all hull openings, hatches, vents or other openings to the interior of the vessel shall be blanked off and sealed to prevent entry of abrasive blasting material.

Pay particular attention to the one (1) fathometer transducer. Furnish and attach protective metal disc protectors over the transducer.

C.XXX.3.2. Prior to abrasive blasting, weld all hull markings for permanent identification, to include draft marks and vessel name.

C.XXX.3.3. Precautions shall be taken to prevent damage to electrical wiring, fixtures, data and name plates, glass of port lights and windows, instruments or any other components not intended to be blasted. Any components damaged on the vessel in the performance of this item shall be repaired or replaced at the expense of the Contractor.

C.XXX.3.4. No abrasive blasting shall be performed until the Marine Surveyor has approved the installed methods of protection.

C.XXX.3.5. No work shall be performed on the interior of the vessel during abrasive blasting operations.

C.XXX.3.6. The deep load line shall be established prior to blasting.

C.XXX.3.7. Draft marks shall be established on center line of transom using paragraph 1-12-F(3), page 6, of the referenced technical bulletin as a guide.

C.XXX.3.8. These precautions shall be adhered to during the entire time of abrasive blasting operations on the vessel and when the vessel is in the vicinity of blasting operations where the possibility exists of abrasive blasting material entering the vessel due to wind conditions or force of the blast.

C.XXX.3.9. Bared surfaces shall not be allowed to stand overnight without application of primer paint.

C.XXX.3.10. All new materials shall be abrasive blasted to white metal (SSPC-SP5) and primer paint applied prior to installation.

NOTE: Requests to deviate from the specified paint system shall be submitted in writing to the Contracting Officer with all applicable documentation. Written authorization shall be received from the Contracting Officer prior to proceeding with any deviation. Inclusion of a paint system in the referenced technical bulletin is not authorization to deviate from the specification requirements.

C.XXX.4. Removals:

C.XXX.4.1. Make the required disconnections and removals prior to performance of this item. Reinstall any removals upon completion of blasting/painting.

C.XXX.5. Areas to be Abrasive Blasted:

C.XXX.5.1. Prior to the commencement of abrasive blasting, the Contractor shall perform high pressure water cleaning at 5,000 – 10,000 PSI (SSPC HP WC) of entire surface areas to be abrasive blasted.

C.XXX.5.2. Abrasive blast to near white metal (SSPC-SP10), all exterior underwater hull plate surfaces, to include rudders and appendages (excluding propellers, propeller shafts) from the centerline and up to the main deck rubrail.

C.XXX.5.3. Abrasive blast to near white metal (SSPC-SP10), all exterior surfaces of the six (6) sea chests and the sea chest strainer well(s).

C.XXX.5.4. Abrasive blast to near white metal (SSPC-SP10), all interior surfaces of the overboard piping and sea chest piping, from the shell plate to the outboard sea valve flange.

C.XXX.6. Inspection:

C.XXX.6.1. Prior to application of any paints, prepared surfaces will be inspected by the Marine Surveyor.

C.XXX.6.2. Contractor and Marine Surveyor shall perform a joint inspection and hammer test on each thru hull opening. Contractor shall submit a written report to Marine Surveyor within two (2) working days of conditions found, defects, repairs, corrective action, labor and material costs. Perform additional work as authorized by Contracting Officer.

C.XXX.6.3. Upon completion of abrasive blasting test for surface profile.

C.XXX.6.4. In the presence of the Marine Surveyor, perform surface testing to SSPC-SC 2 standards for chlorides and contaminants.

C.XXX.6.5. Upon completion of surface profile and SSPS-SC 2, the Contractor shall furnish to the Marine Surveyor an original and four (4) copies of a report of surface contamination and surface profile test results.

C.XXX.7. Paint Application:

C.XXX.7.1. Stripe coat all welds, edges and irregular surfaces.

C.XXX.7.2. Apply paint only to clean, dry surface, using the designated paint and coating thickness as specified.

C.XXX.7.3. Paint coatings shall be free of runs and sags with borderlines struck clean, clear and precise.

C.XXX.7.4. Comply with the temperature, wind and humidity requirements stated in the referenced technical bulletin. Paints shall only be applied within conditions stated.

C.XXX.7.5. Drying time between paint coatings shall be as recommended by the paint manufacturer using the referenced technical bulletin as a guide.

C.XXX.8. Paints (Underwater Areas ):

C.XXX.8.1. To all bared underwater surfaces, up to bottom of lower rub rail (bow to Frame 28) and to bottom of middle rub rail (Frame 30 to stern), apply one (1) coat of primer, Hempel Hempadur 45880, red, or equal, for a DFT of 5-8 mils. Tie in primer paint between frames 28 to 30.

C.XXX.8.2. To all primed surfaces, apply one (1) coat of Hempel Hempadur 45880, light gray, or equal, for a DFT of 5-8 mils.

C.XXX.8.3. To all light gray underwater surfaces, apply one (1) coat of Hempel Globic, black, or equal, for a DFT of 4-6 mils.

C.XXX.8.4. To all black Globic coated surfaces, apply one (1) coat of Hempel Globic, red, or equal, for a DFT of 4- 6 mils.

C.XXX.8.5. To all red Globic coated surfaces, apply one (1) coat of Hempel Globic, black, or equal, for a DFT of 4- 6 mils.

C.XXX.9. Paints (External Hull Areas ):

C.XXX.9.1. To all freeboard surfaces, apply one (1) coat of Hempel Hempadur 1736 zinc-rich, or equal, for a DFT of 4-5 mils.

C.XXX.9.2. To all primed surfaces, apply one (1) coat of Hempel Hempadur 45880, light gray, or equal, for a DFT of 6-8 mils. Substitution of light gray color will not be authorized under any circumstances.

C.XXX.9.3. To all Hempadur light gray surfaces, apply one (1) coat of Hempel Hempathane 5521, haze gray, color 26270, or equal, for a DFT of 2-3 mils.

C.XXX.10. Transducers Cleaning:

C.XXX.10.1. After application of anti-fouling paint, remove protective covering; each transducer face shall be hand cleaned free of all paint and foreign matter.

C.XXX.10.2. Marine Surveyor will inspect each transducer facing material for condition of material and satisfactory cleaning.

C.XXX.11. Hull Markings: Strike in the vessel's draft markings as original with white or black Hempel Hempathane 5521, or equal, for a DFT of 2-3 mils.

C.XXX.12. Vessel Undocking:

C.XXX.15.1. A minimum drying period of 24 hours, preferably longer, is necessary between final coat of anti-fouling paint and undocking to ensure solvent release.

C.XXX.12.2. Undock the vessel within 30 days after application of final coat of anti-fouling paint.

C.YYY. MISCELLANEOUS REPAIRS

C.YYY.1. References:

C.YYY.1.1. Department of the Army Technical Bulletin 43-0144, dated November 2005, entitled: “Painting of Watercraft.”

C.YYY.2. Scope of Work: The contractor shall satisfactorily complete the repairs listed below.

C.YYY.3. Requirement:

C.YYY.3.1. In the performance of any burning, heating, welding, or access for entry required to accomplish the repairs specified in this specification, it shall be the responsibility of the contractor to provide a "gas free" or "safe for hotwork" certificate issued by a certified chemist to the Marine Surveyor, certifying that all tanks or other adjacent areas in the way of repairs or alterations are free of gas or other fire hazards.

C.YYY.3.2. The contractor shall submit test reports, establishing compliance with all Federal, state, and local environmental standards, or standards applicable in the country where the work is performed, pertaining to marine paints, painting processes, and the handling, storing, and disposal of hazardous wastes. The contractor shall dispose of all hazardous waste.

C.YYY.3.3. The contractor shall obtain detailed sizes, dimensions and materials requirements from the vessel.

C.YYY.3.4. The contractor shall conduct all tests in the presence of the Marine Surveyor.

C.YYY. 4. Removals: The contractor shall make removals as required for the performance of work as described in this specification item.

C.244.5. Repairs:

C.244.5.1. Supply and fabricate new exhaust system from engine turbo to exhaust mufflers and stacks exiting vessel.

C.YYY.5.2. Fabricate and install all new exhaust lagging.

C.YYY.5.3. Crop and renew port and starboard struts, strut tubes and bottom plate, install new strut cutlass bearings.

C.YYY.5.3. Make the necessary vessel modifications to allow the installation of a new contractor’s furnished bow anchor windlass with wildcat. Modifications shall also include a suitable storage for the anchor and tackle. Anchor must be made readily accessible, deployable and retrievable.

C.YYY.5.4. Remove the vessel’s two (2) existing propellers and turn them over to the vessel’s attending Surveyor.

Procure and install two (2) new propellers which meets the vessel’s horsepower and marine gears requirements.

C.ZZZ. PORT AND STARBOARD MAIN ENGINE AND MARINE TRANSMISSION REPLACEMENT

C.ZZZ.1. References:

C.ZZZ.1.1. Cummins Wiring and Owners Manuals for 46553078

C.ZZZ.1.2. Twin Disc Marine Transmission Technical Manual

C.ZZZ.1.3. Department of the Army Technical Bulletin 43-0144, dated November 2005, entitled: “Painting of Watercraft.” (This TB is or guidance on application of any touchup painting)

C.ZZZ.2. Contractor Furnished Engine Data:

C.ZZZ.2.1. Engine Manufacturer: Cummins

C.ZZZ.2.2. Model: QSL9

C.ZZZ.2.3. H.P. 250

C.ZZZ.2.4. Number of Cylinders: 6

C.ZZZ.2.5. Number of Engines: 2

C.ZZZ.2.6. Weight: 2153 lbs

C.ZZZ.3. Contractor Furnished Marine Transmission Data:

C.ZZZ.3.1. Marine Transmission Manufacturer: Twin Disc

C.ZZZ.3.2. Model: MQ6091 SC

C.ZZZ.3.3. SEA Number: 2.95 : 1

C.ZZZ.3.4. Weight: 485 lbs

C.ZZZ.3. Scope of Work:

C.ZZZ.3.1. The contractor shall provide the services of a qualified manufacturer’s technician to replace the port and starboard main engines and marine transmissions with contractor furnished main engine and marine transmissions.

C.ZZZ.3.2. Perform a satisfactory operational two-hour dock trial and a four-hour operational sea trial upon completion of all repairs. Vessel shall be operated by the vessel’s crew for all testing

C.ZZZ.3.3. Work is to be performed at North River Shipyard, Nyack, NY.

C.ZZZ.3.4. The old engines and marine transmissions shall be drained of all fluids and properly recycled by the contractor.

C.ZZZ.4. Requirements:

C.ZZZ.4.1. The contractor shall submit test reports, establishing compliance with all Federal, state, and local environmental standards, or standards applicable in the country where the work is performed, pertaining to marine paints, painting processes, and the handling, storing, and disposal of hazardous wastes. The contractor shall dispose of all hazardous waste.

C.ZZZ.4.2. In the performance of any burning, heating, welding, or access for entry required to accomplish the repairs specified in this specification, it shall be the responsibility of the contractor to provide a "gas free" or "safe for hot-work" certificate issued by a certified chemist to the Marine Surveyor, certifying that all tanks or other adjacent areas in the way of repairs or alterations are free of gas or other fire hazards. The “gas-free” or safe for hot-work certificate shall be submitted to the attending Marine Surveyor.

C.ZZZ.4.3. Disturbed areas shall be cleaned and painted using the referenced technical bulletin as a guide.

C.ZZZ.4.4. The contractor shall request the presence of the Marine Surveyor to witness all tests and inspections.

C.ZZZ.4.5. The use of a crane shall be required for removal of the existing main engines and marine transmission and the installation of the new contractor furnished main engines and marine transmission.

C.ZZZ.5. Disconnections/ Removals:

C.ZZZ.5.1. The contractor shall remove all interferences to facilitate removal of the existing port and starboard main engines and marine transmissions.

C.ZZZ.5.2. The contractor shall make necessary mechanical and electrical disconnections prior to removing the main engines and marine transmissions from the vessel.

C.ZZZ.5.3. Remove the port and starboard main engines and marine transmission from the vessel.

C.ZZZ.6. Installations:

C.ZZZ.6.1. The contractor shall install the contractor furnished main engines and marine transmission to their respective location aboard the vessel and make all mechanical and electrical reconnections.

C.ZZZ.6.2. The engine shall be aligned to the reduction gears in accordance with manufacturer’s requirements.

C.ZZZ.6.3. Fill the engine with the correct level of oil and coolant according to manufacturer’s recommendations.

C.ZZZ.6.4. Reinstall all other removals made in the performance of this item.

C.ZZZ.6.5. The contractor shall submit a report for any additional parts or repairs required.

C.ZZZ.7. Testing:

C.ZZZ.7.1. The contractor shall perform a two-hour dock trial and a four-hour sea trial upon completion of engine replacement. Engine shall be tested under varying loads with the last two hours of sea trials at rated RPMs and load.

C.ZZZ.7.2. The vessel shall be operated by the vessel’s crew in the performance of trials.

C.ZZZ.7.3. The test results shall be recorded at fifteen-minute intervals and include as a minimum, RPMs, oil pressure, water temperature and percentage of load being applied.

C.ZZZ.7.5. Test results shall be submitted to the COR.

C.ZZZ.8. Painting: The contractor shall touch up paint all disturbed areas to match adjacent color schemes.