Name of Work :Improvement of foot over bridge at Rani Bagh under Sub Division NWR-24, Division NWR-2, dg. 2022-23.
Sl. No.
Item Description
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Welding by gas or electric plant including transportation of plant at site etc. complete.
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Chequered terrazo tiles 22 mm thick with graded marble chips of size up to 6 mm in floors, jointed with neat cement slurry mixed with pigment to match the shade of the tiles, including rubbing and polishing complete, on 20 mm thick bed of cement mortar 1:4 (1 cement :4 coarse sand) :Ordinary cement without any pigment
3
Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work
4
Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:G.S. Sheet/Polycarbonate sheet
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Add 31.27% cost Index
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Less 9.5% on DSR Items
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Multiplying factor@ 1.0633 considering GST 18% instead of 12% as per OM.No. 158/SE(TAS)/GST/2022/-H dt. 10.08.2022
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Providing and fixing 6 mm thick cleared or required colour multi wall polycarbonate sheet (GE Brand Lexean or equivalent). The multi wall polycarnbonate sheet shall be fixed on tubular steel structure withaluminium Allox section 60 mm top and bottom profile and whether proof EPDM Gasket on both side of joints so as make the whole structure water tight as per approved design/drawing. The Allox aluminium section shall be fixed in joints and both end of polycarbonate sheet to fix the sheet rigidly on steel frame structure. The weather proof EPDM Gasket and aluminium porfile shall be fixed and sealed with silicon (Winsil-20) to make the joints fully water proof. The overhang end of polycarbonate sheet to be shielded with powder coated/anodised with 50 micro aluminium channels. The polycarbonate sheet and profile shall be fixed with self taping and self drilling 55 mm long steel screws fixed not more than 300mm centre to centre. The rate shall be inclusive of cost of all material involved such as polycarbonate sheet, Allox system aluminium profile and channel, EPDM Gasket, self taping screws, nuts, bolts, riverts, silicon sealant or any other material required for fixing the sheet but excluding the cost of steel structure which shall be paid separately.( The cost also include the rate of labour required for cutting, bending and fixing of polycarbonate sheet aluminium profile, hoisting in position etc., complete at all height as per the direction of Engineer-in-charge. The rate shall also include the cost of all T & P and safety precaution required during execution of the work. The work shall be complete in all respect as per the architectural drawings and the direction of Engineer-in-charge.)
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