tender for charges for dismantling of inspection doors provided at flow control valve assembly casing. dismantling of flow control valve assembly (about300 kg weight) from taping pipe flange of hot water header line. reassembling the same by using rubber gasket properly without water leakage. open/close operation checking works. , charges for dismantling of flow control valve spares from flow control valve assembly for cleaning, inspection and to renewal of worn-out spares like guide bush, stem, ci disc, lock nut, locking bar and operating handle etc. and reassembling the flow control valve assembly. , charges for dismantling the gi casing / concrete block of fc valve to facilitate the oh of fcv & renewal of nozzles etc., and reassembling the same. , charges for reconditioning flow control valve casing for fixing inspection doors by drilling and removal of existing 8 nos of eroded m10 / m12 stud, making 8 nos of new m 10 / m12 thread on the valve body by using tap set. , charges for reconditioning of worn-out flow control valve (fcv) spares released from cooling tower -ii at outside workshop, re boring of gi disc, fabrication and assembling of m.s. flange on ci disc, moulding of new ci guide bush, machining, drilling & thread cutting on new bush to suit with the existing s.s. stem. reconditioning of released s.s. stem by rethreading and suitable to end nut with 2 nos. of plate washers for 1 no. stem including transporting charges. , charges for removing the existing damaged nitrile rubber from the m. s flange of fcvs in cooling tower. cleaning and sand blasting on both the surface for nitrile rubber impregnation, moulding the nitrile rubber over the flange for 5 mm thick on each side ( the size of the flange to be impregnated is od-640mm; id-450 mm) trimming and steam vulcanizing ,including the cost of nitrile rubber, adhesive and also charges including transporting charges of released fcv spares from mtps-i to outside work shop and return back same to mtps-i. , cha