NIT No-21 EE (SDW) II/ (19-20) Item No. 6

A) Renovation/ Strengthening of Intake channels regulating sluice gate at 45 MGD STP Okhla. Providing the gunny bags for blocking the outflow channels of gates and divert the flow of sewerage one by one .This includes providing of M.S plates on the both side in such a way/shape that sluice gate should be free to provide the mechanical jacking arrangement below the gates. The work includes complete dewatering/delisting of the blocked/Isolated portion

Providing the Temporary plates from made out with the help of wooden phatta, Balli etc. to work the gate and removing same after completion of work.

Replacement of foundation Bolts of cross member with M.s I-section vertical channel welded with guides of sluice gates with the help of gas cutter etc.

Tacking out of sluice gate from the guide with the help of mobile crane. Heavy labour etc. This includes providing of mechanical jack along with the channel in the bottom side to lift the gate from the M.S channel.

providing of wooden plank for a new one fixing in sluice gate with new nut bolts approx 2500 mm length and 50 mm width

Replacement of M.S .I –section Beam rested on the C.C pillar of sizes 200X8mm having length 2 Mtr X 2 Nos. Holding the Gates .The work includes providing /fixing of M.S plate of sizes 300X300X20mm for holding of base of GM nut on I-section, Beam I/c welding of cross member with suitable size of Angle/U channel as required at site.

Fabrication / supply of S. Steel spindle 50 mm dia. 2 meter long made out of non magnetic S. Steel round bar as per sample.

Cleaning of C.I ‘U’ channel grouted vertically in C.C Blocking by chemical solution and grinding for making free from rust for proper sliding of the gate & other work as per site requirement.

Machining of seats of sluice gate by rematteling, grinding for smooth sliding in the ‘U’ channel & making proper size.

Assembling the gates with the help of mobile crane ,heavy labour with proper blending /alignment in the ‘U’ channel Testing & commissioning i/c all other civil work required at site with all safety precaution during execution.

Painting the gate with two coat of anticorrosive enamel paint after cleaning of anticorrosive enamel point after cleaning with wire brush etc. Make: - Asian/ Nerolec/ Burger.

Goodwill Enterprises