DG - TARAPUR INDUSTRIAL AREA..M and R to W.s.s...AMC for Providing under water services for cleaning of pumps strainers and replacement MS intake mesh of Jackwell at Tarapur Indl Area.

Hiring services for cleaning of pump strainer by underwater diving team consisting of diving supervisor, expert divers, tender diver, helpers, etc. along with necessary under water diving equipment‘s like breathing apparatus, KMB, SCUBA sets, demand valve, seamark, neoprene suit diving fins, air compressor, communication system and all safety equipment‘s etc.

Hiring services for desilting of jackwell at any depth including under water diving services under water diving equipment and machineries like mud lift suction device, jet pump (pressure pump, air compressor, breathing apparatus, helpers etc.

Supplying and erecting iron work, sheet metal work consisting of MS sheets, various sections of iron, plates, chequered plates, rods, bars, MS pipes, etc. for panel board or any other purpose with bending, cutting, drilling and welding complete erected at the position with necessary materials duly painted with one coat of red oxide and two coats of enamel paint to match the switchgears or as per directions by the site engineer.

Underwater for high pressure underwater epoxy grout: Grouting with Water Insensitive Underwater Epoxy Grout Base and hardener shall be mixed with using hand held heavy duty electrically operated mixing machine until uniform mix is obtained. The mixed material shall be poured in to the high pressure grouting machine container and grouted through the non-return nozzle already fixed on cracks. The grouting shall be done from the bottom of crack until grout rejects of all other grouting ports. The grouting shall be carried out with the help of divers and underwater communication device to know the conditions. The item includes the cost of all materials, hire charges for all machineries and all charges for divers with accessories etc., complete.

Underwater P/Fixing the Nozzle for high pressure underwater epoxy grout: Drilling hole of 12/ 18 mm dia to a depth of minimum 100 mm across the crack to an angle of 45° @ 500 mm C/C, using pneumatic drilling machine without disturbing the epoxy mortar filled on the "V" groove with the help of divers. The nozzle shall be inserted in the drilled hole and fixed using the under water polyester resin grout and allowed for curing for final set. The item includes the cost of all materials, hire charges for all machineries and all charges for divers with accessories etc., complete.