BARGE_SOW_Dry_Dock_v12-18-14_Chickamin_15.docx

Chickamin 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 for multiple year storage and use.

d. Bilge work –

· pressure wash inside hull and inspect for damage.

· Evaluate and report findings for dry exhaust piping IAW ABYC standard P-1.

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

e. Electric work –

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

· Remove multiple existing float switches and install multiple new float switch assemblies.

· Remove multiple existing plumbing and install multiple new float switch assembly.

· Cut in and install new proximity switches.

· Install 120 Volt, 20 amp circuit to Water Treatment Control panel.

· Rewire Distribution pump control.

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

· Remove old control panel and all unused cabling.

· Rewire existing motor starter for filtration pump.

· Control circuit for starter shall be looped to WTCP.

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

· Remove old gray water pump, starter, and associated equipment.

· Terminate cable from WTCP in DC control panel (DCCP) in aft hold.

· Install inlet valve assembly.

· Place existing ROMEX into junction boat for future light.

· Coordinate with ceiling. Inlet valve assembly cut into new ceiling tile existing junction box for smoke detector.

· Evaluate electrical system for sensitive ground detection system which provides continuous indication of circuit status to ground.

f. Deck Inside building –

· rehab/pressure wash, loose scale, fine powder rust treatment tank. Spot paint treatment tank. Weld deck fitting. Disinfect treatment tank and flush entire system. Deck penetration for water inlet fitting – structural steel platform, exterior.

Plumbing –

· Connect treatment and distribution tanks.

· Replumb piping in foreward bulkhead.

· Replace flexible coupling with rigid connection.

· Deck fitting unit – 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 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.

Roof specialties –

· Reconfigure downspouts to discharge overboard.

Electrical –

· Water system automation and miscellaneous electrical work.

Miscellaneous carpentry –

· Ceiling repair, water infiltration repair, damaged siding repair.

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

· Reattach 12” X 12” ceiling squares.

· Replace missing ceiling.

· Find repair source of water infiltration.

· Fix damaged siding around battery box exhaust vent.

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

· Inspect Fire Extinguishers and assure eight are mounted as described in specifications.

· Service and certify two On-Board Life rafts.

g. 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.

h. OPTION ITEMS:

· Remove unused Water piping and fittings.

· Welding shut unneeded penetrations on forward bulkhead.

· Install 81 gallon pressure tank and associated pressure gauges.

· Replace chlorinator.

· Install pulse meter (must be done if chlorinator is replaced).

· Replace chlorine solution tank (10 gallons).

· Replace filter housings.

· Replace all piping, downstream of preliminary filter, elbows, and tees.

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

· Remove finishing filter.

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

· Produce isometric drawing of entire water system