bids are invited for boq bid repair of sewage jetting machine prb no c no 5 page no 22 disconnecting dismantling , disconnecting dismantling primary and secondary filter for the sewage cum jetting machine , complete service to the diesel engine fitted with suction machine including head repair , for disconnecting old us gate valve from the assy taking the veh to the leh work shop , nipple 80 mm , s and f gate valve 80mm dia to the sewaje jetting machine tank , disconnecting dismantling and taking out the vaccum pump , forced oil lubricant pump , incorporated check valve , incorporated 4 way valve , high temperature resistant asbustus freevanes , vaccum motor piston , bearing total quantity : 27