Overhauling of Dredge Pumps on DCI DR XI

Amount

DREDGE PUMP 's PORT &STBD: Make: IHC, Capacity: 6500Cum/Hr. Following job to be done on both Dredge Pump.

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).

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.

Buffer Layer (7018) ,amount of metal deposit may vary from 50- 600 kg

Hard facing amount of metal deposit may vary from 50- 600 kg

Wear Plate Renewal approx(plates Hsl supply)

Machining of chrome liner (contractor scope)

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

To renew Dredge pump casing

Thrust block: Disconnect and Transport impeller shaft, bearing assembly to shop,dismantle, overhaul, renew owner supplied bearings, seals, etc. as per SS instruction and box back and trial run to be shown to SS.

Worn out Shaft in way of chrome bush to be built up and machined to original size as per instruction of SS.Machining contractor scope

DREDGE PUMP GEAR BOX (PORT & STBD):

Top cover to be opened. Gear and bearing condition to be inspected. Back lash to be checked. Reading to be submitted. Both gear box both end oil seal to renew. Top cover to box back on completion of work.

Dredge pump gear box L O cooler 200x1200mm to be removed chemically cleaned, pressure tested and refitted.

Dredge pump thrust block cooler 200x1200mm,to be removed chemically cleaned, pressure tested and refitted.

Pneumoflex couplings to be removed ,shifted to work shop and to be pressure tested, and also to check the same after fitment in position.Alignment to be checked before removal and after fitment.

Consumables / Components / Items / Spares / Material: For executing of the above mentioned jobs, Contractor has to procure, supply all items and fitted in its place. Contractor has to quote lumpsum cost for required Consumables / Components / Items / Spares / Material mentioned at S.Nos. 1 to 16 for above scope of work. The taxes will be paid as per actuals. The cost of spares quoted by the contractor will be considered " on not exceeding basis of total lumpsum cost mentioned in the BOQ for this line item'' for satisfactory completion of the specified SoW. Payment will be made at actuals on not exceeding quoted cost of this Serial (17) against third party/OEM invoice.

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