NIT No. 31 (25-26) Item No. 6

Dismantling of existing UGR chamber cover by gas cutter, Pneumatic hammer machine and manual labour.

Fabrication/Fixing of M.S. frame of size 1 Mtr X 1Mtr by M. S angle of size 65X65X6mm and 50X50X6mm including the cost of grouting the same on the wall of chamber with civil work complete in all respect. With anticorrosive primer and painting with black synthetic paint.

Providing/ Fixing of 6mm thick M.S. chequered sheet on the top of M.S. Frame of chamber cover with proper locking arrangement as per site requirement.

Fabrication/Fixing of M.S. ladder of 4.26 Mtr X 0.9 Mtr made by M.S channel of size 100 X 50mm, M.S angle of size 65 X 65 X 6mm and 6mm thick chequered sheet. Including the cost of grouting the same to the wall of Pump house with civil work complete in all respect. With anticorrosive primer and painting with black synthetic Enamel paint.

Fabrication/Fixing of M.S. jaal of size 1.21MtrX1.21 Mtr length X width height. The M.S. structure made by M.S. angle of size 65X65X6mm.The work includes the making gap with 25 mm round square bars in gap of 2" with cutting, welding, grinding, finishing etc and making arrangement for passing of man in the chamber for operation of valve as required with transportation loading unloading at site with the help of tools, tackles with heavy/manual labour.