bids are invited for custom bid for services - price break up of rfq-11930: contract for outsourcing of maintenance job of dewatering pumps of “180mrl & 0mrl” in kcc mines for the period of 02 years-1 905499539 mines dewatering - daily checking & maintenance work (glands, cooling water hoses, oil top-up, all foundation bolts, valves, alignment of pump & motor, balance valve gap setting etc.) of all the centrifugal pumps (03 nos. each at 180mrl & 0mrl pump house) 2 905499540 mines dewatering – replacement of centrifugal pump with proper alignment with motor & shifting of centrifugal pump to & fro from mmr shop. 3 905499541 mines dewatering – complete overhauling of centrifugal pump. 4 905499542 mines dewatering – repairing or fabrication or replacement of suction/discharge bend pipes of centrifugal pumps at 180mrl & 0mrl pump house. 5 905499543 mines dewatering – monthly checking and repairing of non-return valve (nrv) or flow control valve or foot valve of size (6’’ /8’’/10’’). 6 905499544 mines dewatering – replacement of non-return valve (nrv) or foot valve or flow control valve of size (6’’/8’’/10’’) and shifting the same to & fro from mmr shop. 7 905499545 mines dewatering – repairing or replacement (below 3 feet length) of all punctured dewatering pipe lines at 180mrl & 0mrl pump house and from 180mrl to 240mrl inclined shaft by cutting & welding and shifting of required pipe length from surface to khetri underground mine. 8 905410110 replacement of 8” dia. m.s. dewatering pipelines with flanged joints, including fabrication of bends, flanges, dummies etc. at 180mrl & 0mrl pump house after shifting from surface to khetri underground mine. 9 905410109 replacement of 6” dia. m.s. dewatering pipelines at 180mrl pump house & 240mrl with flanged joints, including fabrication of bends, flanges, dummies etc. after shifting from surface to khetri underground mine. 10 905410846 supply, installation, commissioning, operation & regular maintenance of one submersible pump (capacity of min. 7 cubic meter per hour & head of min. 80 meters) along with related motor, starter & nrvs for pumping mines water from sump no- 4 & 5 to sump no- 6 at 180mrl pump house.