strengthening of path on superstructure and p-l of ms jaal for under sluice and weir side gate pier of barrage at wazirabad water works. (re-invite) , 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 thereafter .the scaffolding system shall be stiffened with bracings, runners,connection 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. 14.72 , dismantling wood work in frames, trusses, purlins and rafters up to 10 metres span and 5 metres height including stacking the material within 50 metres lead :of sectional area 40 square centimetres and above cum 15.14.1 , providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length ( hold fast lugs or dash fastener shall be paid for separately). sal wood cum 9.12 , structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position andapplying a priming coat of approved steel primer all complete. 10.2 , providing and fixing m.s. rivets of sizes in position.10.21 , welding by gas or electric plant including transportation of plant at site etc. complete.10.22 , applying priming coats with primer of approved brand and manufacture, having low voc (volatile organic compound ) content. with ready mixed pink or grey primer on wood work (hard and soft wood) having voc content less than 50 grams/ litre sqm 57. 13.85.1 , painting with synthetic enamel paint of approved brand and manufacture to give an even shade : two or more coats on new work.13.61.1