BARGE_SOW_Dry_Dock_v12-18-14_Nakwasina_15.docx

Nakwasina Barge Dry-Dock

1. SCOPE

This contract is for Barge Hull and On-Board System Inspections, modifications, and repairs. Work items include:

a. Move barge from mooring to dry dock facility and return to mooring following work.

b. Exterior hull work – pressure wash and inspect for damage and report findings.

c. Fuel tanks –

· fill,

· test fuel

· treat fuel for multiple year storage and use.

d. Bilge work –

· pressure wash inside hull and inspect for damage.

· Evaluate dry exhaust piping and repair/replace to meet IAW ABYC standard P-1.

· Evaluate and replace non-compliant fuel oil hoses on generators.

e. Electric work –

· Mount and install government supplied Water Treatment Control Panel (WTCP).

· Replace multiple existing float switches.

· Remove multiple existing plumbing

· Install 120 Volt, 20 amp circuit to WTCP.

· Rewire Distribution pump control.

· Remove overload, reconnect starter relay, loop control coil to WTCP.

· Remove old control panel and all unused cabling.

· Rewire filtration pump control.

· Connect twist lock connector body Hubbell HBL2353/HB60CM32 to shipboard cable for connection to valve assembly.

· Remove and store existing shore power cord in FWD Hold.

· Remove unused electrical equipment.

· Remove abandoned cable.

· Install Square D QO load center pn QO24L70RB W/ 30 amp 2 pole breaker for generator service disconnect on 4 KW GENSET. 1 pole shall be for neutral.

· Install Square D QB3100BNRB W/ 80 amp 3 pole breaker for generator service disconnect on 20 KW GENSET. Center pole shall be for neutral.

· Drill holes in heat detector bases to align them to the junction boxes.

· Remove then reattach light to ceiling structure after ceiling repair.

· Install inlet valve assembly.

· Investigate the electrical distribution system to verify the proper grounding (earth) and bond per American Bureau of Shipping standards for the hull and the National Electrical Code for the house systems. When there is a conflict between the two, the most restrictive rule applies.

f. Deck Inside building –

· Rehab water treatment tank, paint interior, weld shut unneeded openings on top and side, disinfect and flush entire system.

Plumbing –

· Install check valves for backflow prevention.

· Install preliminary filter housing on untreated water line.

· Install drain valves to flush filters and collect water samples.

· Relocate Reverse Osmosis (RO) product line upstream of chlorine injections point.

· Install raw water tank bypass.

· Install treated water connection to distribution tanks.

· Install true union ball valves on either side of new equipment and at new tees.

· Install unions between new valves and filter housing.

· Ceiling tile and door repair.

· Replace in kind 27 damaged/missing 2’X4’ drop-in ceiling tiles.

· Replace missing door with similar interior hollow core door.

· Replace /reattach acoustic tiles to structure.????

· Install fuel shut off valves before and after fuel filter on Toyo stove.

· Inspect Fire Extinguishers and assure eight are mounted and charged.

· Service and certify two On-Board Life rafts.

Deck outside building –

· Pressure wash and inspect for damage.

· Prepare and paint deck non-skid areas.

· Prepare and paint all deck appurtenances.

· Inspect and service boom.

· Inspect and service deck winches and cabling.

· Inspect and service capstans.

· Fabricate waterproof (oil skin) winch covers and tie down straps.

Roof specialties – Reconfigure downspouts to discharge overboard.

g. OPTION ITEMS:

· Install 81 gallon pressure tank and associated pressure gauges.

· Replace chlorinator.

· Install true union ball valve on either side of new equipment.

· Remove unused water piping and fittings.

· Weld shut unneeded penetrations on forward bulkhead.

· R.O. System – condition assessment and remediation recommendations (Evaluate and report findings.)

· Produce isometric drawing of entire water system