NIT No-19 EE (SDW) II/ (22-23) Item No. 05

Strengthening of safety Hand Railing made out of 50 mm dia. M.S. pipe & 75 x 75 x 10 mm size Angle Iron at Aeration unit at 45 MGD STP Okhla by carrying out the following works: - Arrangement of all required safety equipment’s (i.e. safety belts, folding ladders, safety helmets, safety shoes etc.) for the safety of manpower during execution of work. The work is to be carried out in 20 feet deep tank.

Dismantling of the existing damaged safety railings vertical & Horizontal post appx. (320 + 1120) with the help of gas cutter and Man Power etc.

Providing the vertical M.S post in a length of one meter, made out from M.S Angle Iron of sizes 80 x 80 x 10 mm duly welded with M.S. plate of sizes 100 x 130 x 10 mm in one side i/c making hole for fixing the fasteners.

Providing of M.S. pipe heavy duty ‘C’ class 50 mm dia. Make: - Jindal/TATA

Providing of M.S. Nut Bolts as per required size at site

Fixing/ fitting of vertical post by grouting of Nut bolt in the RCC floor and welding with the existing reinforced i/c all civil works. The work includes chipping the floor with the help of Hammer drill/Chisel/ Man Power.

Cutting of hole in the vertical post with the help of Gas cutter/ Grinding machine suitable for passing through the above Horizontal M.S. pipe of Railing.

Fixing of 910 mtrs. Horizontal pipe of railing in the Vertical post with proper leveling & thermal welding of the same.

Painting the complete safety railing by carrying out followings works: - Providing the metal primer red oxide (in 20 Ltrs. Packing).

Providing the synthetic enamel paint Tractor yellow (in 20 Ltrs. Packing. Make: - Asian/ Nerolec/Berger.

Providing of thinner (General propose) for diluting the paint (in 20 Ltrs. Packing). Make: - Asian/ Nerolec/Berger.

Painting the complete safety railing with one coat of epoxy primer and two coat of enameled paint.

Gupta Brothers