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| 1 | Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-harge. With cement mortar 1:4 (1cement: 4 P sand). |
| 2 | Providing and fixing by welding to steel frame heavy duty hinges of size 50x50x4mm |
| 3 | Providing and fixing MS aldrop of size 250x16mm with Eye made of MS flats of thickness 5mm welded to the steel door with rounds made of flats 25x5mmand drop made of 40x5mm flat to required length |
| 4 | Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. a) Hot finished welded type tubes. |
| 5 | Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /seIf tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. |
| 6 | For roofing |
| 7 | for cladding. Fixing to the weld mesh walls with bolts nuts washers on both faces. Inside washer to be of size to cover the square gap of weld mesh instead of self drilling /seIf tapping screws of size (5.5x 55 mm) with EPDM seal. |
| 8 | Tightening the boltsnuts of 40m tower, cable runway, ladders, Gantry and supports including replacement of corroded washers, bolt nuts. Straightening the bent ladder or other members and including dismantling andrefixing in position.The tower bolt nuts shall be tightened to required torque using torque wrench all complete as directed by the Engineer in Charge. |
| 9 | Supply of GI bolts, nuts, washers and spring washers of different diameter and lengthas per requirement for replacement in tower. |
| 10 | Painting the 40m tower, And accessories such as Cable run way, ladders, Gantry and supports with high gloss synthetic enamel paint of approved brand and manufacture to give an even shade ( Tower Orange and White) : a) One or more coats on old work. ( wherever paint peel off is thereit should be scrapped and applied a coat of primer before painting) |
| 11 | Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on Old work. |
| 12 | Finishing walls with Acrylic Smooth exterior paint of required shade : |
| 13 | New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm) |
