Annual rate contract (ARC) for repairing and reconditioning of Gate Valves in NRPL Region

Amount

VALVE REPAIRING

Repairing and reconditioning of gate valves. The work includes the following activities: (1) Cleaning, visual inspection for valve, stem, gear box, greasing/ sealant injection points, body drain/ vent valves and stem nut etc. (2) Dismantling of valve bonnet from the body by removing actuator/ hand wheel, gear box, stem nut & other auxiliary parts. (3) Removal of gate and seats from valve body, descaling, degreasing to remove heavy soiling, manual cleaning of all parts of valve to remove all residual traces of dirt and surface impurities from gate and seats (4) Replacement of damaged/worn out consumables like, stem packing, bonnet gasket, seat rings, "O" rings, seat springs, etc. (5) De-chroming of gate, machining of gate and seat surface scratches/defects, material deposition (if required), surface grinding, lapping, chrome plating, trueness checking, performing leak test/diesel test etc (6) Assembly and hydro-testing of valve in presence of IOCL representative as per API- 6D/API 598 and other applicable standards. (7) Transportation of valve from IOCL site to vendor's workshop and returning the same after repairing including transportation, loading, unloading and shifting charges. The scope includes all shifting, loading, unloading, tool & tackles, and other labour and materials cost complete in all respects as per the direction of Engineer-in-Charge (EIC). Note-1: On set of Stem packing will be given in spare for each valve in addition to replacement of the same in defective valve. Note-2: Penalty of 0.5% against respective SOR item will be recovered for each week delayed beyond the repair time, as mentioned in technical specification, up to a maximum penalty of 10%

150# rating gate valve

600# rating gate valve