part a-online maintenance of valves
valves application: natural gas
valve types: ball valve, plug valve
cleaning, greasing, leak testing from stem & other parts of valves, flushing & injection of sealant as per requirement, gear box maintenance, checking of actuator valves oil level & top up as per requirement, hydraulic operation on close & open, smoothness of hydraulic operation, seat test of ball valve etc. apart from above, any other job required for trouble free & smooth operation of valves shall be done by the contractor
contractor shall bring all non-sparking and general tools & tackles, consumables like grease, gland packing etc. including high pressure hydraulic sealant gun required during maintenance. sealant gun used by the contractor shall be of appropriate design & of compatible make for each type of valve.
all works in line with scc & scope of work shall be performed by contractor and only rate quoted against each sor is payable and quoted rates shall be included all expenses whatsoever in nature required to perform the maintenance work in totality
