O and M of GPH

Amount

O and M of Barrage Gates

Extraction of 6 Nos. stop logs by removing the under water silt in front of 6 Nos. stop logs of intake, manually through chain pully & bucket by cleaning the area and washing out the remaining silt with the logging water (approximate quantity of silt to be removed = 1 x 6 x 5.00 x 0.90 x (0.60 + 3.00) / 2 = 43.20 m3) and the same is to be disposed off by mechanical transport upto a lead of 1 km, then fixing of new 6 Nos. stop logs of intake (in place of 6 Nos. extracted stop logs) as per direction and entire satisfaction of Engineer-in-charge.

Making of platform 4.00 x 1.00 m by fabrication with M.S. girders - 4 Nos. (150 x 75 mm) of 4.60 mtr height for vertical posts, 4 mtr - 2 Nos. and 1 mtr long - 2 Nos. for horizontal posts for supporting the Angle iron 65 x 65 x 6 mm, 4 mtr long - 2 Nos. and 1 mtr long - 4 Nos. and M.S. crossed bracing set - 2 Nos. of angle iron 65 x 65 x 6 mm approximate length of bracing set 2.60 mtr for platform of required length as per requirement with M.S. plate 10 mm thick of required size for platform i/c drilling of holes, welding works & jointing by nuts and bolts wherever required. After completion of platform structure the mono crane to be shifted to new constructed platform. After completion of extraction and fixing of spare stop logs, the erected structure will be dismantled complete in all respects as per direction and entire satisfaction of Engineer-In-Charge.

Removal of old paint from steel and other metal surfaces and making the surface even and smooth - 50% with hand scraping & 50% with flame cleaning.

Painting two coats with zinc rich primer make Asian / on previously painted steel surface / metal surface i/c thoroughly cleaning the surface of all dirt, dust and other foreign matter etc.

Painting two coats excluding primer coat with superior coal tar epoxy paint of approved brand & manufacture of make Asian, Berger or equivalent on previously painted steel / metal surfaces with brushing to give an even shade i/c cleaning the surface of all greases, dirt, dust and other foreign matter etc.

LAXMAN SINGH

RAMNIK THAKUR