2023 JD TECH PROVISIONS.pdf

Technical Provisions for

USACE Multiple Purpose Vessel John A.B. DILLARD

Dry Dock/Dockside Availability

SCHDULE ONE & OPTIONAL ITEMS

(06JAN23)

Underbody Repairs

TP-1.1 PRESSURE WASH UNDERWATER HULL

Contractor will pressure wash to remove all sea growth to expose the existing hull protection coating system for inspection. Pressure wash system pressure will not exceed 500psi as per the manufactures requirements and all debris and sea growth will be discharge in accordance with all Federal, State and Local laws and requirements. This is designated as a Government inspection point, Government Inspector will inspect all work up to this point before contractual work continues.

TP-1.2 SONIC SURVEY UNDERWATER HULL PLATING

A non-destructive hull survey will be performed by a certified metal testing agency approved by the American Bureau of Shipping.

This survey shall be performed immediately upon dry-docking and hull washing. The Government Inspector shall witness all soundings. This survey will utilize high frequency sound to measure the hull thickness at specific locations on the hull; at a minimum

200 ultrasonic tests will be performed. A micrometer depth gauge shall be used in conjunction with ultrason ic tests to determine the depth readings including location of each test and existing thickness, results shall be furnished the Government Inspector. F inal test results shall be submitted to the COR within five working days of the completion of the testing. Contractor shall provide labor to move obstructions inside the hull which may interfere with readings and to grind the hull surface for readings as needed.

TP-1.3 RENEW ANTIFOULING PAINT

Contractor will bead blast clean all corrosion and all fouled paint leaving a near-white blast cleaned surface free of any remaining paint throughout the exterior hull plate surface and appendages (excluding propellers, rudders and propeller shafts) from t he keels up to the top of the waterline or boot strip. PORT & STBD bow thrusters and sea chest grates will be removed to ensure 100% of the underwater hull is pressure washed and available for inspection. Blasting and cleaning shall be in accordance with Aluminum

Structures Painting Counsel Specifications SSPC-SP-10. Propellers, rudder and propeller shafts will be cleaned as needed to remove of rust, corrosion and sea growth as necessary to ensure they can be completely inspected. All spent abrasive, oil, grease, foreign matter, etc will be completely removed prior to the application of the first coat. No rust or oxidation will be evident on th e metal surface, prior to application of coating. This is designated as a Government inspection point; Government In spector will inspect all work up to this point before contractual work continues. Final topcoat will be 100% inspected by both the Contractor and

Government.

Contractor will use the original type of anti-fouling paint; Intersleek coating system and will a pplication guidance from the manufacture of Intersleek. Once the aluminum surface is properly prepared as per the Intersleek coating guidance (provided by the

Contractor’s shipyard paint rep) the Contractor will apply a first coat Epoxy Intersleek, once dry recoat with a second coat of

Intersleek (dry average equals of 5mils). Then apply a tie coat of Intersleek 700 series (dry average equals of 3-5mils) and topcoat with black Intersleek 700 series (dry average equals 6mils). Draft designation numbers will be prepped, primed and painted with

Intersleek coating system (coating will of a contracting color as pre the hull). This is designated as a Government inspectio n point;

Government Inspector will inspect all work up to this point before contractual work co ntinues.

TP-1.4 INSPECT PORT/STBD SEA CHESTS & SEA CHEST VALVES

Inspect PORT/STBD sea chests and through hulls in preparation to remove all through hull valves including PORT/STBD main dies el engine and GENSET sea water valves, and PORT fire pump valve. Five valves shall be thoroughly cleaned, and shall have all defective parts, corrosion and fittings renewed as directed. This is designated as a Government inspection point; Government

Inspector will inspect all work up to this point before contractual work continues. Contractor shall verify the numbers and conditions of the chests, valves and fittings prior to their biddings. Remove, disassemble, and clean all sea valves free of corrosion, scale and foreign matter grind in, lap, repack, reset, test and otherwise service all valves as required to meet U.S. Coast Guard Requirements. All valves will be hydrostatically tested to 50 PSI for a period of 10 minutes.

TP-1.5 RENEW ZINC ANODES ON HULLS, SEA CHESTS, SHAFTS & STERNS

All existing zinc anodes will be removed and replaced with new zinc anodes, type ZSS Military Specification Mil-A-18001H, Amendment 1 Nov 1972, as directed by COTR. Contractor will reference Kvichak Catholic Protection drawing # 7931 -514-001 (to be provided by COR). This is designated as a Government inspection point; Government Inspector will inspect all work up to this point before contractual work continues.

TP-1.6 INSPECT PORT/STBD SHAFTS STERN/STRUT BEARINGS

Contractor shall measure and record shaft-wear down as directed immediately after shafts are disconnected from the transmission using a dial indicator and furnish to the Government Inspector the wear down recordings and overall condition in writing with in two working days after dry-docking the vessel. All stern and strut bearings shall be inspected in the presence of the Government Inspector before and after disconnecting the transmission.

TP-1.7 INSPECT PORT/STBD RUDDER/STOCK STUFFING BOXES

Contractor shall measure and record shaft wear down as directed using a dial indicator and furnish to the Government Inspector the wear down recordings and overall condition in writing within two working days after dry -docking the vessel. All rudder stocks shall be inspected in the presence of the Government Inspector.

TP-1.8 INSPECT/BALANCE/NON-DESTRUCTIVE TEST PORT/STBD PROPS & SHAFTS

Shafts and Props will be removed as soon as possible once wash-down is completed. Non-destructive shaft balance test will be performed by a certified agent approved by the American Bureau of Shipping. The Government Inspector shall witness all soundings.

The location of the soundings shall present baseline readings and readings will be compared with previous reading (201 8) and provided to the Government Inspector. Final test results shall be submitted to the COTR within five working days of the completion of the testing. Upon reinstallation of shaft will be top coated with Prop Speed as per the manufacturer’s instructions.

TP-1.9 RENEW DELAMINATED PORT/STBD RUDDER(S)

Purchase one new rudder and repair spare rudder and have the new and repaired rudders ready for install during the dry dock p eriod.

The rudders were originally built by Griffith Polymers located in Tualatin Oregon. Givin g the long lead time on this work item, Contractor will work with Griffith Polymers prior to the vessel being drydocked to ensure replacing the rudders do not delay the completion of the drydock.

TP-1.10 CROP-OUT & REPLACE PORT/STBD STERN TUBES

Crop-out and renew both PORT and STBD stern tubes, renew as called for the in the vessel original plans using a suitable type of aluminum and associated hardware. Stern tubes shall be inspected in the presence of the Government Inspector before and after work is started and before inferences are replaced.

TP-1.11 ADD STBD SIDE DEWATERING PUMP TESTING INTAKE SEA CHEST VALVE.

Duplicate the PORT side firefighting intake valve and necessary piping to enable proper testing of the STBD side dewatering p ump.

Sea chest valve and sea strainer shall be the same as what is currently being used on the PORT side.

TP-1.12 RELOCATE PORT GENSET INTAKE

Move the PORT generator intake in the sea chest to fix the water flow to the PORT MDE. Move the PORT generator intake in the sea chest to fix the water flow to the PORT MDE

The raw water intake ports for the MDE and Genset for the port side are located within 3 inches of each other, relocating the genset intake port further away from the MDE intake will allow for a higher-pressure zone for both intakes resulting in better cooling and flow.

Deck & Exterior Repairs

TP-2.1 FABERICATE & INSTALL CLOSED BOW CHALK

Contractor will purchase or fabricate aluminum closed chalk with an access-opening of approximately 6 inches. Chalk will be positioned port of the vessel’s centerline along the deck edge. Government will recommend exact position during dry dock period.

Chalk will be in line with the bow bollard. Chalks will present a consistence appearance with the two simi-close bow chalks installed in 2018. Chalk will provide a non-interfering smooth fairlead. Chalk will ingrate with the lower life rail and be supported with the appropriate aluminum deck plating. Non-skid will be fashioned with similar waterways around to the new chalk base. This is designated as a Government inspection point; Government Inspector will inspect all work up to this point before contractual work continues.

TP-2.2 REMOVAL OF MID-WORK DECK BOLLARDS

Crop-out both PORT and STBD mid-work deck bollards and doubler plates. Non-skid will be fashioned with similar waterways around to the area where the work deck bollards were removed. This is designated as a Government inspection point; Government

Inspector will inspect all work up to this point before contractual work continues.

TP-2.3 FABERCATE AND INSTALL PORT AFT WORKDECK BOLLARD DOUBLER

Remove STBD aft deck bollard and install a aluminum doubler plate on the deck underneath the bollard similar size of the PORT aft deck bollard. Reinstall STBD aft deck bollard. Non-skid will be fashioned with similar waterways around to the area where the work deck bollards were removed. This is designated as a Government inspection point; Government Inspector will inspe ct all work up to this point before contractual work continues.

TP-2.4 WORKING DECK SOFT PATCH

Remove and reseal both PORT and STBD working deck soft patches with marine grade sealant. Test the watertight indignity witnessed by Government Inspector.

TP-2.5 ADD WORK DECK PADEYES

Add four recessed deck pad eyes for securing small boat and benches directly above the steering room holding capacity of 300lbs.

Government will recommend exact position during dry dock period . Non-skid will be fashioned with similar waterways around to the area where the deck eyes are installed.

TP-2.6 REMOVE CABIN TOP NON-SKID AND WIFI DOME

Remove all non-skid on pilot house cabin top. Prep surface for adhesive non-skid strips. Lay out a logical adhesive non-skid strip pattern to facilitate suitable access to the mast, Jim Buoy, RADAR, and deck lights. Non-skid pattern will be verified with the COR.

Remove WiFi transmitter and receiver located on the cabin top of pilot house. Remove all associated wiring from the unit to t he breaker located on the STBD side of the pilot house. Permanently patching all bolt and wiring holes or bungs. This is designated as a

Government inspection point; Government Inspector will inspect all work up to this point before contractual work continues.

TP-2.7 RENEW NON-SKID (WORKDECK, HEAD DECK, SWIM DECK, FORDECK, BRIDGEDECK, GALLEY VESTIBULE &

STEPS/LADDERS)

Contractor will measure each area of the workdeck, head deck, swim deck, foredeck, bridge deck galley & all steps/ladders; all deck measurements will be available to COR. Cleaning all corrosion and all paint leaving a near-white (etched) blast cleaned surface free of any remaining paint throughout the exterior deck plate surface and appendages. Blasting and cleaning shall be in accordance with

Aluminum Structures Painting Counsel Specifications SSPC-SP-10. All spent abrasive, oil, grease, and foreign matter, etc will be completely removed prior to the application of the first coat. No rust or oxidation will be evident on the metal surface, prior to application of coating. Situate waterways around welded seams and deck hatches. Repaint warning area around crane. This is designated as a Government inspection point; Government Inspector will inspect all work up to this point before contractual work continues. Apply coating system as per the manufacture recommendations. Apply two coats Amercoat (self -etching primer) and two coats Amershield (topcoat) coating systems as per the manufacture recommendations. Second coat of Amershield will include 16 -grit aluminum oxide (non-skid). Final topcoat will be 100% inspected by both the Contractor and Government.

TP-2.8 REPAIR PORT BOW RAILING

Remove damaged lower horizontal railing and corner vertical stanchion and renew in kind matching existing railing and stanchions.

Machinery & Mechanical Repairs

TP-3.1 MDE SERVICE 96 VALVES & RENEW INJECTORS

Valves and injectors need periodic adjustment and replacement due to wear of moving parts. The current injectors were tested in 2020 the results were pressures out of specification for the C32 V-12 Diesels. Adjustment of valves requires a factory trained technician to perform this task. The results would be a more efficient running engine as well as a fuel savings.

TP-3.2 REPAIR HYDRAULIC FLUID LEAK PORT/STBD STEERING SYSTEM RAMS

Replace all necessary seals on the PORT/STBD steering rams. Repairing the leaking cylinder would provide system integrity as well as stop the hydraulic oil from leaking into the steering compartment.

TP-3.3 SERVICE MDE TURBOS (1000hrs After Cooler Maintenance)

Complete 1000hrs after cooler maintenance on both Caterpillar C-32 v12 Turbos (MDEs) as per the manufacture’s recommendations.

Have certified Caterpillar technicians perform, test and document all the work completed on both MDEs. Turbo ch arger inspection would determine if the unit(s) is operating within factory specifications for peak performance. Inspection of the aftercooler would determine if there’s any corrosion, the amount of corrosion as well as the system integrity of the after co oler, the life expectancy of the current unit or if needs replacement.

TP-3.4 RENEW HOUSE & START BATTERIES (4yr Life Span)

Renew all eight 155AmpHr front terminal and two 24M7 group front terminal batteries with like type. Renew all securing straps on each one of the battery compartments. Removal and deposal of batteries must be with the local, state and federal environmental requirements.

Crane Inspection/Repairs

TP-4.1 INSPECT/REPAIR & PPP EFFER CRANE

Inspect and retorque crane pedestal bolts, crane bearing bolts and base bolts as per manufacture’s recommendations. Renew hydraulic fluid and filters as per manufacture’s requirements.

Identify all hoses that require replacement. Hoses shall be renewed as per a ll manufactures recommendations for pressure limits and lengths shall be followed; especially the hose lengths at any of the hinge points of the crane. All hose fittings shall be st ainless steel and fitting shall be protected from the sea environment with hose wrap tape. Hydraulic fluid shall be what is recommended by the manufacturer. Removal and deposal of hydraulic fluid must be with the local, state and federal environmental requirements. Remove and inspect turret motor and associated gears; renew all mounting fasteners with marine grade material. Remove designated rusty and/or corroded parts to the sand blasted, prime and painted ICW below painting instructions. Contractor will bead blast clea n all corrosion and all paint leaving a near-white blast cleaned surfaces of parts to be painted. Blasting and cleaning shall be in accordance with Aluminum Structures Painting Counsel Specifications SSPC-SP-10 or as necessary mechanically prep, prime and topcoat.

Contractor will reinstall/assemble all crane parts as per manufacture’s recommendations. Contractor will apply a two-part marine grade epoxy coating system; two coats of primer (4mils) and a topcoat simi-gloss black (3mils) or Effer tan-colored two-part epoxy on all crane parts as originally painted. Crane will be static and operationally tested to ensure compliance with NCCCO and OSHA requirements. Repaint crane turret, main body including operator’s station, all three extensions and cylinders using standard colors as per manufactures recommendations. Renewing all decals, load limit placards and required signage. This is designated as a

Government inspection point; Government Inspector will inspect all work up to this point before contractual work continues.

The contractor shall protect all areas of the vessel which may be af fected by the removal of the cylinders including cleaning up any hydraulic fluid and renewing any damaged surfaces. The crane will be completely wrap in tarps and tightly wrapped at the turn table.

All joints on the knuckle boom and the grapple will be wrapped along with following protective measures as referenced in the General

Section.

Interior Repairs

TP-5.1 INSTALL PORT ENGINE ROOM ACCESS LIFTING PADEYE

Install one aluminum padeye overhead in the engine room ladderway with a holding capacity of 500lbs. Padeye will enabling gear and equipment to be hauled up from the engine room to the main deck vestibule. Duplicating the current padeye in the ladder space on the

STBD side engine room ladder.

TP-5.2 REPAIR WORKDECK INSTALLED WASHDOWN SYSTEM

Accessed the both the fresh cold and salt cold water faucets from inside the shower and renew all plumbing and faucets with m arine grade fixtures. This is designated as a Government inspection point; Government Inspector will inspect all work up to this point before contractual work continues. Contractor will remove and return all interferences.

TP-5.3 RENEW INTERIOR CARPETING

Renew carpets bridge and galley with marine grade like to existing and color. Contractor will measure the bridge inside deck and galley; all deck measurements will be available to COR. Contractor will remove and return all interferences. Seams will be placed around the emergency PORT/STBD galley hatches

TP-5.4 RENEW BRIDGE OVERHEAD

Renew bridge overhead ceiling with marine grade similar sound reducing material matching the current color and type. Contractor will measure the bridge overhead; all deck measurements will be available to COR. Contractor will remove and return all interferences.

TP-5.5 RENEW FIVE FORWARD BRIDGE WINDOW

Renew bridge five forward bridge non-/heated windows with marine grade similar insisting type. Contractor will remove and return all interferences.

Electronic Repairs

Additional Repairs & Optional Items

TP-7.1 ADDITIONAL LAY DAYS

Days needed to finish all initial work as required by schedule or any optional items identified by Contractor via AWP and reported to the COR; this work will be completed prior to completion of this contract.

TP-7.2 MISCELLANEOUS JOURNEYMAN, MECHANIC LABOR AND/OR METAL WORK

Work identified by Contractor via AWP and reported to the COR; this work will be completed prior to completion of this contract.

TP-7.3 INSPECTION RESULTS FROM TP-1.4, TP-1.6, TP-1.7, TP-1.8 & TP-4.1

Work identified by Contractor via AWP as being out of tolerance and/or not serviceable and reported to the COR; this work will be completed prior to completion of this contract.

TP-7.4 ADDITIONAL WORK ON THE EFFER CRANE

Work identified by Contractor via AWP and reported to the COR. All work will be complete with full regards to manufactures requirements; this work will be completed prior to completion of this contract.