Overhauling of Dredge Pumps on DCI DREDGE XVII

Amount

Overhauling of Dredge pump. Contractor should be in a position to mobilise and start the work within 2 days. Contractor havifng valid experience in execution of similar works will only be considered. The contractor shall have to engage men on round the clock basis and also on sundays and holidays.

Overhauling of Dredge pump: DREDGE PUMP 's PORT &STBD: Make IHC Following job to be done on both Dredge Pump.

A) Remove distance piece/ expansion piece, dismantle pump impeller, end covers, wear plate, flushing chamber and seal unit, overhauling, taking initial and final clearances and boxing back with new seals and wear plates etc(spares ex-ship). consumables like bolts & nuts(HT grade only ) dowty seals/bushes,plastic carbide putty ,O-rings up to 40/46/50 mm dia,gaskets required , machining, welding/grinding etc are to be arranged by contractor. B) Casing, Impeller and end cover to be build up as required.Electrodes to be supplied by contractor,however certification will be made at actuals/prorata.

i) Buffer Layer (7018) ,amount of metal deposit may vay.Cost will be on prorata basis

ii) Hard facing amount of metal deposit may vary from 50- 600 kg Cost will be on prorata basis

C) Wear Plate Renewal to be carried out approx(plates Hsl supply)

D) Machining of chrome liner (contractor scope)

E) Reconditioning seal unit and flushing chamber by skimming in side, renewing studs / Bolts (seals ship supply)

Port Dredge pump casing along with suction and shaft side covers to be renewed.Scope involves shifting of casing from jetty to ship.Reaming of bolts,tapping to required is under contractor scope.Alignment to be carried out w.r.to distance piece.

KALATHIL BROTHERS CONSTRUCTION CO. PVT. LTD.