e-NIT No.03 of 2025-26 dt. 12.06.2025

Amount

Replacement of worn-out components of horizontal split casing type Flowmore pump of unit no. 13 & 15 having 17 cusecs discharge, 50.5 mtr. head, coupled with 450 HP, slip ring type HT motor installed at LIS Lakhanpur.Decoupling both the HSC pumps of Flowmore make of unit no. 13 & 15from 450 HP slip ring type HT motors and subsequently loosening the nuts, bolts, and studs of upper and lower casing. Unbolting the bearing housings and extracting out the shaft assembly. Lifting and shifting the pump assembly with the help of the EOT crane and loading & transporting the assembly along with allied components to the firm’s workshop.(01 no job) Job includes dismantling all the components from the shaft assembly of each pump such as coupling pulley, impeller, impeller rings, shaft protection sleeves, collar, spacer sleeves, sleeve nuts, O-rings, water deflector, stuffing box bushings, lantern rings, bearings at workshop etc(02 no job) Repairs to the damaged stainless shaft (SS-410) of the pump No 15 by rebuilding the shaft at various spots including damaged threaded portion by depositing SS material at worn out spots by welding with SS electrodes, turning, grinding, and finishing to the required dimensions and re-threading at the requisite place to fit chuck nuts & lock nuts. Removing the eccentricity developed in the shaft with the help of heat treatment & press bench.(01 no job) Providing and fitting of 02 No. new shaft sleeves fabricated out of stainless steel (SS-410) material in place of the old and worn out one to each pump. The size of the sleeve should as per the sample provided(02 no job) Providing and fitting of 04 No. new sleeve nuts (02 No. each on the driving and non-driving end) fabricated out of stainless steel (SS-410) material having internal threads in place of the old and worn out one to each pump. The size of the sleeve nuts should as per the sample provided(02 no job) Providing and fitting of 02 No. new lanterns ring in place of the old and worn out one to each pump. The size of the water seal ring should as per the sample provided.(02 no job) Providing and fitting of 02 nos.bearing of any reputed make in place old damaged one (both at DE and NDE. Of shaft.)(02 no job) Fabrication/providing of new coupling pulley set in place of old/damaged one. Providing and fitting of new coupling bolts (as per the requirement) along with rubber bushes to pump no. 13(01 no job) Assembling all the Components of each pump such as coupling pulley, impeller, impeller rings, shaft protection sleeves, collar, spacer sleeves, sleeve nuts, O-rings, water deflector, stuffing box bushings, lantern rings, bearings etc. Shifting the shaft assembly back to Lift Irrigation station. Providing/ Fitting of gland packing set. Complete job includes placing the shaft assembly inside the pump body; making proper alignment with the motor; fitting of top cover of the pump by replacing of old / damaged studs; nuts and bolts etc. with new ones. Providing and fitting of new coupling bolts with bushes and nuts in place of damaged one; testing of pump on load. Complete job includes cost of material, labour charges, charges of all tools and tackles required for repairs of pumps, transportation cost etc.(02 no job)

M/S V.N ENGG WORKS (BID ID -2386411)

JAGDEMBAY MECH ENGG WORKS (BID ID -2387662)