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| 1 | Earthworkofsiltclearanceofchannelsanddrains:-Basket work with combined lead upto 7.50 metres undressed. |
| 2 | labourRequiredforremovingandrefilingof2-6mmgravel fromthe filtration chambers and cleaning chamber after replacing the old gravel. |
| 3 | Supply of 2-6 mm gravel free from dust in filtration / clearing chambers as per design specification and instruction of engineer in charge from approved quarry. |
| 4 | labour Required for removing and refiling of 6-50mmgravel fromthe filtration chambers and cleaning chamber after washing |
| 5 | Supply of 6-50 mm gravel free from dust in filtration / clearing chambers as per design specification and instruction of engineer in charge from approved quarry. |
| 6 | For Washing / Cleaning of 6-50mm gravels from Chambers |
| 7 | Development andstabilizing of the tube well with air compressor of required capacity as directed by the engineer-in- charge including cost of tools , appliances & consumable to the satisfaction of Engineer-in-charge. Capacity of Air compressor 300efm at 250 PSI |
| 8 | Cleaning chocked Pipe from outlet to distribution chamber to 3 no filtration chamber and 1 no clearing chamber. |
| 9 | Making dewatering Arrangements by pumping Set 4\" x 4 \"( tractor driven) |
| 10 | 12.5 mm thick Cement Plaster 1:3 |
| 11 | Providing and laying Water proofing treatment in sunken portion of WC‘s bathroom etc. by applying cement slurry mixed with water proofing cement compound as per CSR Item No. 30.83 |
| 12 | Supplying&FixingofWellCapHavingThreadtofixin Housing pipe complete in all respect 200mm internal Diameter |
| 13 | Painting two or more coatswith synthetic enamel paint in all shades on old work or metallic or plastered or concrete surface to give an even shade including rubbing down old paint |
| 14 | labour required for clearing jungle etc oresent around all the chambers and injection wells. |
| 15 | Excavation in Soil (any type)using Hydraulic Excavator CK 90 with hydraulic excavator of 0.9 cum bucket capacity including cutting, trimming bottom and side slopes, in CUM accordance with requirements of lines, grades and cross sections, including all lifts and combined lead upto 30m |
| 16 | Removing hume pipes 150mm to 300 mm dia |
| 17 | Providing, lowering intrenches to correct gradient and alignment, jointing with tyton rubber joint and cutting of reinforced cement concrete spigot and socketed pipes and specials with rubber ring ISI marekd as per IS code IS 458- 2003 into trenches for all depths and laying out the same to correct alignment, gradients, levels etc. cutting of concrete beds and joints holes, supporting the pipes and specials in correct position in a suitable rigid manner while the same are being jointed and until the surrounding benchings, haunches and envelopes are completed. The pipes shall rest on the beds at all joints through their lengths and fixing of rubber ring, facing, testing the pipes for leakage and making good the same leakage and all defects to the entire satisfaction of the Engineer- in-charge including all cartage etc. R.C.C. Pipe NP -2 200 mm |
| 18 | Providing, Laying , fixing & jointing of uP.V.C. Pipes as per ISI- 4985 (ISI marked with the prior approval of Engineer-in- Charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications.200mm o/d pipe of 2.5 Kgf. / sqcm |
| 19 | Any Other Item |
