short dated tender - bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; removal cleaning and refitment of sea chest grating 670x400mm manifold dia 50 to 80mm length 1 to 1point5m and associates.. , repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; renewal of sea chest grating 670x400mm manifold dia 50 to 80mm length 1 to 1point5m and associates pipes and fitment on-b.. , repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; removal and refitment of sea tube grating aprrox dia 350 to 390 mm qty 12nos; as per scope of work , repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; removal repair and refitment of underwater hull valves 200nb sdsl valve angular type qty 05nos; as per scope of work , repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; removal repair and refitment of underwater hull valves 200nb butterfly valve triple offset qty 05nos; as per scope of wor.. , repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; removal repair and refitment of underwater hull valves 200nb sdnr valve qty 02nos; as per scope of work , repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; removal repair and refitment of underwater hull valves 250nb sdsl valve angular type qty 05nos; as per scope of work , repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; removal repair and refitment of underwater hull valves 350nb sdsl valve angular qty 02nos; as per scope of work , repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; hose test of underwater valves qty 19nos; as per scope of work , repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship underwater activity during dd at nd vizag; removal of old anodes and fitment of new anodes at following locations sea tubes se chest bilge keel rudder stabilizer fi..