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| 1 | P & F of Early streamer Emission type lightning arrester on GI mast with air terminal configured as spheroid which is comprised ofseparate electrically isolated 4 panels surrounding an earthed central finial, the terminal shall be tested by CPRI for impulse current of 45 kA ( 8 / 20 Sec ) with 5 positive & 5 negative impulse, the arrester having following protection radius at level 1 |
| 2 | 60-79 Meter |
| 3 | Supply & fabrication steel structure with MS channel / angle / joist / ISMB / sheet etc. including welding, rivetting, cutting, nut & bolt , Painting etc. as required. |
| 4 | Add Extra for Gel / Pipe earthing in Rocky Strata for making pit by Boring machine |
| 5 | Providing and laying in position cement concrete including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level. |
| 6 | M15 grade Nominal Mix 1: 2: 4 (1 cement : 2 coarse sand : 4 graded stoneaggregate 40mm nominal size). |
| 7 | Providing, laying, testing & Commissioning of\"B\" class medium duty MS pipe conforming to IS1239 for drainage applications of distribution pipes of sprinkler and hydrentincluding fittings like elbows, tees, flanges, tapers, nuts bolts, gaskets etc. fixing the pipe on the wall/ceiling with suitable clamps and including painting of two coats of Red Oxide , painting with two or more coats of synthetic enamel paint of required shade complete as required.The installation includes all civil openings ,breakages and making good the same. |
| 8 | 50 mm dia |
| 9 | 80 mm dia |
| 10 | Providing and fixing double scaffolding system on the exterior side, upto five story made with 4\" wooden member 1.5 m c/c horizontal and vertical direction joining with rassi, clamps, challies. The scaffolding system shall be stiffened with bracing, runner, connection of building if necessary with all essential safty features for the workmen etc complete as per direction of EI.The lavation area of the scaffolding shall be measured for payment. The payment will be made once irrespective of duration of scaffolding.Note : This item to be used for maintence work judically |
| 11 | S & Laying of down conductor of 70 Sq.mm single core insulated flexible copper cable with accessories as required. |
| 12 | P & F testing joint, made out of 20mm x 3mm copper Strip, 125 mm long, with 4 no. tinned brass bolts, nuts, checknuts, spring washer etc. complete as required. |
| 13 | Providing and erecting direction and place identification retro/reflectorised sign as per IRC :67 made of encapsulated lens type reflective sheeting vide clause 801.3.1, fixed over aluminium sheeting, 2 mm thick with area exceeding 0.9 sqm. supported on mild steel angle iron posts 75 mm x 75mm x6 mm, 2 nos. firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete concrete 450 mm x 450mm x600 mm, 600 mm below ground level as per approved drawing and MoRTH specification clause 801 |
