MTPS I M I circle CA RWS Overhauling of Raw Water Pump No 03 and its butterfly valve painting of pump components and pipe line etc at Raw water pump house

De coupling of Raw Water Pump, complete dismantling the entire pump, cleaning, examination and replacement of damaged components, changing of Shafts, Bearing housing, Bearings, Impeller, Impeller housing & neck rings, reassembling the pump and recommissioning satisfactorily after aligning the pump and motor.(Transporting vehicle and rubber cord will be arranged by Contractor Scope)

Charges for cleaning and examination of existing gland sleeve, intermediate and pump shaft sleeves, Finostos ‘B’ bushes and Neck Rings DE & NDE. Transporting of existing Shafts with sleeves, impeller, loose hub plates with neck rings etc., to workshop for checking shaft trueness, machining and matching of sleeves with Finostos ‘B’ bushes, Loose hub plates with neck rings to the required dimensions and also return back to Raw water pump house. (Transporting vehicle will be arranged by Contractor scope.)

Charges for cutting and removal of existing worn-out Gland Sleeve, Intermediate shaft sleeves and pump shaft sleeve, Neck Rings and re fixing new machined sleeves on the shafts new neck rings with loose hub plates after preheating of sleeves if necessary.

Charges for renewal of worn out line shafts & dowel pin and edge preparation of shaft and bushes, drilling and cutting process in the outside work shop etc., if necessary.

Charges for aligning the inter shaft- lock mechanism with shaft coupling & dowel pin and bushes after the machining process if necessary.

Charges for Overhauling of 900mm butterfly valve includes Complete overhauling of gearbox, Inspection and scale cleaning of valve seat and changing of rubber seal also attending the repairs and servicing of the butterfly valve parts and actuator parts.

Charges for lifting the trash rack/ Intake screens from intake channel of raw water pump 1 to 4, dismantling the Trash Rack/ intake screen cleaning, after completion of work, lowering the same and re fixing into position.

Charges for Reconditioning and erection of intake screen frame pump No.4 on river side by cutting the corroded portion of mesh fixing area frame channels, flats, angles etc., in the raw water pump fore bay.

Charges for reconditioning the trash rack ( 4-frames ) by cutting the corroded portion of frames, plates, flats & rods etc., and reconditioning by patch welding, drilling and re fixing the reconditioned trash rack in Raw water pump no.3 fore bay.

Charges for making the holes of dia 12 mm and 22 mm in intake screen frames and in M.S. Flat for fixing of S.S screen mesh.

Charges for dismantling the existing wire mesh from the existing frame and positioning with new frame/ gas cutting of standard wire mesh from the roll and fixing in the frame

Charges for replacement of worn out expansion joint bolt & nuts in Raw water pump discharge pipe line (900 NB) of stage I & II. On the Cauvery bridge both sides.

Charges for painting of pump internals, column pipes, intake / trash rack screens etc., with one coat of rust convertor, one coat of epoxy red oxide primer and one coat of epoxy high build coal tar one over the other with proper intervals.

Charges for cleaning and painting the outer surfaces of pump components above water level and discharge pipe line & air vent pipe line with one coat of black enamel paint & Bus green paint.

Cost of ISA 50X50X6 – Sl.No.8

Cost of MS FLAT 50X6 – Sl.No.8

Cost of Rust Convertor for Sl.No.13

Cost of Epoxy red oxide Primer for Sl.No.13

Cost of Coal Tar Black Paint for Sl.No.13

Cost of Epoxy Thinner for Sl.No.13 & 14

Cost of Black enamel for Sl.No.14

Cost of Bus Green Enamel Sl.No.14

Cost of Rubber Cord 8mm for Sl.no.1

Cost of Rubber seal/’O’ rings for 900mm butter fly valve for SI.No.6

Cost of cutting gas for Sl.No.8,9 & 12

Cost of Welding electrode for Sl.No.8 & 9

Cost of New SS bolt & nut with 2 Nos plate washer of size M10 X 50 mm for Sl.No.11

Cost of S.S bolt & nut with washer of size M 20 X 60 mm for Sl No.11

Cost of consumables and T&P required for Sl.No.1 to 13