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| 1 | Cleaning and desilting of existing rain water harvesting pits/structure by removing sludge/musk, silt, scum layers and other similar unserviceable waste material, taking out of filter media ,washing of usable filter media and refilling of usable material in all layers complete as per direction of Engineer in charge. The rate includes all the operation as above including working in foul condition and making all safety measure during the execution of work. The works also involves removing of existing grating cover of chambers and reinstallation of the same, all complete as per the direction of the Engineer-in-Charge. Note:- The water should percolate through harvesting pit in full and efficient manner. |
| 2 | Desilting of covered/pipe drain network of RWH by taking out silt, sludge, building rubbish earth mixed malba, , plastic bags & all type of floating, solid and semi-soilid malba rubbish etc. from flowing water and stacking of waste material silt /rubbish etc. for all lead and for all lifts in or under foul condition including pumping out water if required during desiltng including all required T & Ps (Disc rope, bamboos, steel road, suitable mechanical device, JCB, jetting machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity, oxygen mask, sand bags, pump set, pump operator and diesel etc. required for de-silting) as per direction of Engineer-in-charge. The rate includes all the operation as above including working in foul condition and making all road safety measure during the execution of work. The works also involves removing of existing grating cover of drain and reinstallation of the same. |
| 3 | Cleaning of chocked sewer line/ by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150 mm dia upto 300 mm |
| 4 | Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. |
| 5 | Supplying, filling, spreading & leveling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge. |
| 6 | Supplying, filling, spreading & leveling gravels of size range 5 mm to 10 mm, in the recharge pit, over the existing layer of boulders, in required thickness, for all leads & lifts, all complete as per direction of Engineer in-charge. |
| 7 | Supplying, filling, spreading & leveling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in required thickness over gravel layer, for all leads & lifts, all complete as per direction of Engineer -in-charge. |
| 8 | Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of useable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully eveloped,measuring yield of well by “V” notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, including disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge. |
| 9 | Providing and placing in position 100 mm thick factory made machine batched & machine mixed Precast RCC Rectangular Covers on drains of footpath of various sizes, of M-25 grade cement concrete for RCC work, including cost of centering, shuttering, reinforcement of 8 mm dia TMT bars of Fe 500 grade @ maximum 100 mm c/c on both ways, neat cement punning on finished surface, properly encased on all edges with 1.6 mm thick, 100 mm wide MS sheet duly painted over priming coat, reinforcement to be welded at edges with MS sheet and providing 2 Nos. 12 mm dia bar for hooks etc including cost of cartage, all leads & lift, handling at site etc. all complete as per direction of Engineer-in-Charge. |
| 10 | Constructing brick masonry road gully chamber 50x45x60 cm with bricks in cement mortar 1:4 (1 cement : 4 coarse sand) including 500x450 mm pre-cast R.C.C. horizontal grating with frame complete as per standard design :With common burnt clay F.P.S. (non modular) bricks of class designation 7.5 |
| 11 | Providing and fixing pre-cast R.C.C. horizontal grating with frame of required size as per standard Design, including taking out existing broken/damaged cover and frame, all complete as per direction of Engineer-in-charge. |
| 12 | Less GST correction factor 0.027 on DSR items Please Enable Macros to View BoQ information |
