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| 1 | Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared. |
| 2 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : |
| 3 | 1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 4 | Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. |
| 5 | In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works. |
| 6 | Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. |
| 7 | (i)Single socketed pipes. |
| 8 | (a) 110 mm diameter |
| 9 | 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. |
| 10 | Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer, of required shade and colour all complete : |
| 11 | New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 gram/litre |
| 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) |
| 14 | Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. |
| 15 | Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : |
| 16 | One or more coats on old work. |
| 17 | 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. |
| 18 | With cement mortar 1:4 (1 cement : 4 fine sand). |
| 19 | Renewing glass panes, with putty and nails wherever necessary including racking out the old putty: |
| 20 | Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm). |
| 21 | Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/ litre and viscocity 70-160 cps. Over the primer coat the layer of membrane shall be laid using Butane Torch and sealing all joints etc, and preparing the surface complete. |
| 22 | The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 450N/ 5cm. Tear strength in longitudinal and transverse direction as 300/250N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane : |
| 23 | 3 mm thick |
| 24 | Making chases up to 7.5x7.5 cm in walls including making good and finishing with matching surface after housing G.I. pipe etc. |
| 25 | Providing and fixing single scaffolding system on the exterior side of building made with 75mm dia (approx) bamboo 1.00 m centre to centre horizontal & vertical for repair of projected roof and maintaining it in a serviceable condition for the required duration as approved and removing it there after complete as per direction of Engineer-in-Charge. |
| 26 | Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of steel nails etc. complete as per direction and satisfaction of Engineer in charge. |
| 27 | (a) 110 mm |
| 28 | Carriage of APP (Atactic Polypropylene Polymer) from Ranchi to Kolebira by mechanical means as per direction and satisfaction of Engineer-in-charge. Please Enable Macros to View BoQ information |
