Dry -docking repair works of CSD Champakkara and Anchor Pontoon XI at Yard in Kochi during the year 2025-26

Amount

Charges for Docking of the dredger & Anchor pontoon XI from water and Dismantling of (splitting up) Port & STBD side pontoons (02 nos'), central pontoon (1 no), cutter ladder (1 no- Wt. 4,172 kg, L=8.46 M), spuds (2 no, wt: 866 Kg each, L= 8.55 Mtrs) & placing on the wooden box / structures safely for surface preparation of inner and outer surface of side pontoons, main pontoon for UT gauging for plate renewal including labour and material cost and un - docking or beaching / un -beaching of the dredger. charges includes all over heads.

Mooring Charges for before and after dry-dock as well as during afloat repair works

Charges for ultrasonic testing (UT Gauging) with Authorized agency A) CSD Champakkara dredger (800 points) at underwater hull area and above water plates, onboard deck of the vessel includes main pontoon, side pontoons, suction M.S pipe below of cutter ladder, spuds & exhaust pipe of engine etc properly And B) Anchor Pontoon XI (400 points)- at underwater hull area and above water plates, onboard deck of the vessel includes anchor foundation frames, air bends etc properly. The copy of UT Gauge report shall be submitted to the office after completion of UT testing for the vessel immediately

Renewal of under and above water level hull and onboard deck steel plates of 5 mm thick of Marine quality after cropping and removal of the damaged plates by gas cutting without any damages to other fittings & also sections of under water portion pipe to assed (to be done after getting ultrasonic test report and recommendation of Surveyor, (Port Dept, Govt of Kerala & IRS) as per Marine standard including labour and material cost

Entire hydraulic system includes boost valve (TKZ 25, No- 1), filter (FL 4 - 1 No), cooler (1 no), heat exchanger of hyd cooling system & cooling water pump to be serviced, defective 'O' rings , filters to be changed. The hydraulic oil tank to be drain out (capacity: 400 ltrs oil contents at 950 mm from base) and renewed with new oil. The hydraulic oil will be delivered by IWAI / cost of hydraulic oil will be reimbursed. The charges include labour charges and b) Cost of Spare parts will be reimbursed on (Actual+10%) basis

b.) Cost of Spare parts will be reimbursed on (Actual+10%) basis

Fabrication and renewal of Suction Bent pipe 250 mm dia, Sch 80 including labour and material charges ( AS per Sample )

Renewal of Discharge Bellow (as per sample) of 500 mm length, dia 250 mm including labour and material cost

Renewal of Damaged L-key bolts of cutter. labour and material cost ( As per Sample)

Renewal of Damaged manhole Bolt , Washer and rubber gasket labour and material cost ( As per Sample)

Renewal of existing Aft & Fwd side wiper blades with new one of good marine quality including labour and material cost.

Servicing of all pressure relief valves & all solenoid valves of dredger (the spud is not free fallling properly) and make good operating condition including labour charges.

b.) Cost of Spare parts will be reimbursed on (Actual+10%) basis

Servicing of Swivell system (leak shall be arrested by renewal of damaged pipe by machining and refitting of the pipe in good working condition including labour and material cost.

b.) Cost of Spare parts will be reimbursed on (Actual+10%) basis

Renewal of Gear Box Pressure Gauge including labour and material cost ( As per Sample & Marine Quality)

b.) Cost of Spare parts will be reimbursed on (Actual+10%) basis

Renewal of Hydraulic pipe line of 6 mtr of Schedule 80 fitted below the cutter ladder including labour & material charges

Renewal of Discharge Rubber Hose labour and material cost ( As per Sample)

Supply and fitting of new wall fan in operator cabin ( 24V DC fan As Per IWAI officials instructions including labour and material charges

Diesel tanks (Port & STBD) of side pontoons shall be cleaned by removing & storing the existing diesel in Barrels safely. The tanks shall be cleaned properly with out any dirt in bottom . The diesel filling / sounding pipes, other air bend pipes, fender hooks & bollards shall be properly welded. After completion of cleaning works, the diesel shall be filled safely including labour and material cost

Surface preparation such as, buffing, chipping, wire brushing and cleaning of external hull plate of under water level portion (of CSD Champakkara and Anchor Pontoon XI) for side pontoons, central pontoon, cutter ladder & other fittings etc of the dredger

Painting of entire under water area (as mentioned above) with 2 coat of epoxy primer, 2 coat of chlorinated rubber antifouling Including Labour & material charges.

Surface preparation such as chipping, wire brushing, cleaning of above water level portion and complete deck area (of CSD Champakkara and Anchor Pontoon XI) includes onboard deck area, side pontoons, central pontoon, cutter ladder, onboard foundation for anchors, side railings, hatches, doors, wheel house, engine room , stores, discharge pipe, fore side winches, cutter ladder & spud cylinders, bollards, air vents, deck crane, pipes and other onboard fitted items etc

Painting of entire area above water level (as mentioned above) and on other out fittings with 2 coat of epoxy primer, 2 coat of epoxy marine quality enamel of existing color. including Labour & material charges.

Repairing of hand rail support frame of dredger with new ones including labour and material cost.

Coolers such as box cooler(keel cooler), inlet box (fitted at back side under water portion of the dredger) & hyd oil cooler (engine room) of the dredger to be chemically cleaned and necessary repair works to be carried out. The defective M.s Pipes, rubber hose to be renewed with new ones (as per samples) including labour and material cost.

b.) Cost of Spare parts will be reimbursed on (Actual+10%) basis

Servicing of 5 nos valves fitted in engine room (3 nos Gear box cooling valves, 1 no sea suction, 1 no- fire valve) including labour & material charges.

b.) Cost of Spare parts will be reimbursed on (Actual+10%) basis

Fitting of Zinc anodes (2 Kg. each piece) to be fitted in under water plate portion of vessel properly including labour and material cost.

Discharge doom pressure gauge to be replaced including labour and material cost

b.) Cost of Spare parts will be reimbursed on (Actual+10%) basis

Electrical wire checking and clear wiring defects make the bilge and fire alarm working condition and all lights & other electrical equipment functional & renewal of damaged bulbs engine room incl labour and material charges

b.) Cost of Spare parts will be reimbursed on (Actual+10%) basis

Servicing of diesel engine of 6 HP, Type: TAF, Air cooled Kirloskar make Diesel Engine, 4 stroke, 2 cylinder, 1500 RPM, clock rotation, hand start; the work includes changing the fuel filter element, lub oil strainer, replace the air cleaner element, clean the fuel tank (7 lt), drain out the lub oil from sump & refill with fresh lub oil & other etc etc to be done. The engine oil will be supplied by IWAI / cost of engine oil will be reimbursed. The cost including labour and material charges.

b.) Cost of Spare parts will be reimbursed on (Actual+10%) basis

Fitting & welding of anchor handling foot rest M.s plate onboard vessel properly by welding etc (plate available oN vessel) including labour & material Cost.

Renewal of MS pipe of 10 mtr (Sch-80) length fitted with cutter ladder of dia 260 including labour and material cost

Re writing of vessel name, logo (IWAI), registration no, Port of registry, GRT with size: 200 mm x 200 mm, load line, draft marking etc on 4 locations of the vessels (of CSD Champakkara and Anchor Pontoon XI) and on LSA & FFA vessel name, reg no, port of registry to be marked clear visibility including labour and material cost.

Repairing of damaged paneling fitted inside wheelhouse including labour and material charges

Fitting of new wooden Battery Box (Marine plywood of 25 mm) and foundation in Maine engine including labour and material charges.

Cochin Marine (BID ID -3265410)