| Sl. No. | Item Description |
| 1 | Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of : Asbestos sheet |
| 2 | Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.- Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) |
| 3 | Taking out wind ties from roof including cutting out rusted bolts, nuts etc. and removing materials to any distance within compound and stacking. |
| 4 | Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness 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 Engineerin- charge. The sheet shall be fixed using self drilling /self 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. |
| 5 | 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 : Ridges plain (500 - 600mm) |
| 6 | Brick work with common burnt clay F.P.S. (non-modular) bricks of class designation 75 in super-structure above plinth level up to floor V level in all shapes and sizes in: Cement mortar 1:6 (1 cement: 6 coarse sand). |
| 7 | 15 mm cement plaster on the rough side of single or half brick wall of mix 1:4 (1 cement: 4 fine sand) |
| 8 | Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design : In 75x75 mm deep chase |
| 9 | Fixing old wind ties 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. |
| 10 | Supply, Installation, Testing and communication of turbo ventilators size 22" in stainless steel 430 grade with approximate weight 4.85 kg having a CFM-7 kg per hour 2440 with blade length 369 mm wings of 80 mm & following specification turbo ventilators available in stainless steel size 22"55 grade 430 no of outer wings = 24 (22") no of inner wings=6 (22") fan base = nylon top and bottom 55430 inside material = nylon fan blade OD600 mm (for 22") nylon blade ring = 560 mm total fan height 360 mm self-lubricating bearing (for 22") (rate is approved by HQ).including the cost of necessary cutting of iron profile sheet for fixing turbo ventilator including providing and fixing UV stablised fiber glass reinforced plastic sheet to be not less tha 2 mm thickness and matching iron profile sheet corrugation. |
| 11 | Credit of ACC sheets including stacking.loading , uloading, disposal etc. or as per the direction Engineer-in charge.(Including GST) |
| 12 | Credit for old unserviceable J hooks / iron scrap received from dismantling including loading , uloading, disposal etc. or as per the direction Engineer-in charge.(Including GST) |
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