application of paints on eandm equipments and superstructure at wazirabad barrage.-renovation of drain valves of 1st 40 mgd plant at wazirabad water works.-steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. 10.25.2 in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works dsr 2021 10.2 2 welding by gas or electric plant including transportation of plant at site etc. complete. cmdsr 2021 10.22 3 applying priming coat: with ready mixed red oxide zinc chromate primer of 13.50.310.2 4 finishing with epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer’s specifications including appropriate priming coat, preparation of surface, etc. complete. 13.52.1 on steel work sqmdsr 2021 13.52.1 5 providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia m.s. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with m.s. tubes, m.s. tube challies, m.s. clamps and m.s. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .the scaffolding system shall be stiffened with bracings, runners, 124.5connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of engineerin-charge .the elevational area of the scaffolding shall be measured for payment purpose .the payment will be made once irrespective of duration of scaffolding. sqm 25 dsr 2021 14.72 6 finishing with epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer’s specifications including appropriate priming coat, preparation of surface, etc. complete. 13.52.2 on concrete work sqm dsr 2021 13.52.2