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| 1 | Supplying and fixing rolling shutters of approved make, made of required size M.S. laths, interlocked together through their entire length and jointed together at the end by end locks, mounted on specially designed pipe shaft with brackets, side guides and arrangements for inside and outside locking with push and pull operation complete, including the cost of providing and fixing necessary 27.5 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to IS: 4454 - part 1 and M.S. top cover of required thickness for rolling shutters. |
| 2 | 80x1.25 mm M.S. laths with 1.25 mm thick top cover |
| 3 | Providing and fixing ball bearing for rolling shutters. |
| 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. |
| 5 | Hot finished welded type tubes |
| 6 | Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50mm (base metal of minimum 0.45mm 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 /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. |
| 7 | Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50mm (base metal of minimum 0.45mm 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 using self drilling/ self tapping screws complete : |
| 8 | Ridges plain (500 - 600mm) |
| 9 | Gutter (600 mm over all girth) |
| 10 | Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : |
| 11 | Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture |
| 12 | Renewing bottom rail and/or top runner of collapsible gate including making good all damages and applying priming coat of zinc chromate yellow primer of approved brand and manufacturer. |
| 13 | Renewing Wrought iron or M.S. Wheel or roller of steel door or gate and fitting and fixing the same with necessary clamps, nuts and bolts/welding and erection etc. complete. |
| 14 | Wheel 50 mm dia and below |
| 15 | Credit and disposal of old damaged and dismantled Steel/Iron/M.S/G.I and other similar articles (The material will be the property of contractor) Note: Actual weight of the material to be measured for payment. |
| 16 | Credit for old / damaged /dismantled MS sections, GI profile sheet etc. |
| 17 | Modified Estimated Cost after using Correction factor on DSR-2023 on account of GST @ 0.973 |
| 18 | Add Cost Index @ 3% on DSR 2023 item. Please Enable Macros to View BoQ information |
