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| 1 | Providing corrugated G.S. sheet roofing including vertical / curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to 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.(i) 0.63 mm thick with zinc coating not less than 275 gm/ m² |
| 2 | Providing ridges or hips of width 60 cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete. (i) .0.63 mm thick with zinc coating not less than 275 gm/m² |
| 3 | Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, 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 using self drilling/ self tapping screws complete :Barge board (Upto 300 mm) |
| 4 | Applying priming coat With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/steel works |
| 5 | Painting on G.S. sheet with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade on old work (One or more coats): |
| 6 | Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :Cement mortar 1:4 (1 cement : 4 coarse sand) |
| 7 | 12 mm cement plaster finished with a floating coat of neat cement of mix :1:4 (1 cement: 4 fine sand) |
| 8 | 15 mm cement plaster on the rough side of single or half brick wall of mix :1:6 (1 cement:6 fine sand) |
| 9 | Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:G.S. Sheet |
| 10 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :25 mm nominal bore |
| 11 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :40 mm nominal bore |
| 12 | Grading roof for water proofing treatment with Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) |
| 13 | Fixing of old wind tie with new fittings including painting two or more coats with anticorrosive bitumastic paint of approved brand & manufacturer over and including priming coat of ready mixed zinc chromate yellow primer of approved brand. |
| 14 | Providing wood work in frames of false ceiling, partitionsetc. Sawn and fixed in position with necessary stainless steel screws etc, (i) Kiln seasoned and chemically treated hollok wood |
| 15 | Providing and fixing plain multipurpose cement board (Hight pressure steam cured) with suitable screws for cement particle board in ceiling etc. complete (frame work to be paid seperatately). (I) 6 mm thick Cement bonded wood particle board as per IS:14276 |
| 16 | Distempering with 1st quality acrylic distemper (ready mix) having VOC content less than 50 grams/litre of approved brand and manufacture to give an even shade:On old work (One OR more coats) |
