Fabrication, providing, fitting and testing of semi closed type impeller (SS-304) for 70 cusec mixed flow vertical turbine and mechanical repairs to damaged bell mouth of pumping unit 3 at LIS Marval Stage 1st

Mechanical transportation, loading, unloading and stacking of various Mechanical items such as pump parts etc. using auto-rickshaw or similar means of transportation. (30KM)

Fabrication, providing, fitting and testing of semi-closed type impeller at normal ampers discharge fabricated out of SS-304 material suitable for 70 cusec mised flow type vertical type pumping unit No. 3 at LIS Marval stage 1st. The impeller is to be made as per sample and properly weight balanced and finished. The impeller is to be fittet on the existing shafts. The weight of impeller = 90 Kg (The impeller has to be provided with the guarantee certificate for 1 year)

Repairing of bell mouth by way of re-building of the pitted portion by filling the pitted area with suitable binding material to make it leak proof. Machining the welded area of Bell mouth by way of grinding, polishing etc, till smooth surface and finish is achieved. The job further includes raising of bush bearing seat up to 60mm using 125mm dia MS rolled bar with cast iron welding and then machining for easy rotation of the impeller. The job also includes repairs to the damaged/defaced holes of bell mouth joint by way of retapping of the holes by oversize 0.02mm average tape after extraction of the damaged bolts.

Cost deducted on account of old items (Damaged impeller hub bronze ) considered as scrap @ Rs 600/kg