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| 1 | Construction of coffer dam with ordinary / random soil obtained from locality with all lift and leads transporting to the site spreading, grading to required slope and compacting to meet requirement with all lead and lift |
| 2 | Dewatering by submersible pump, Model G-1002T 3phase, 415volt |
| 3 | Excavation, loading, unloading and carriage by mechanical means of all kinds of soil, including stony earth, gravel and moorum etc interspread with boulders upto 1/2 cum size with all lifts and delifts including trimming of slopes and bed to design section and depositing the excavated materials away from work site as per the specification and as directed by the Engineer-in-charge within an initial lead of 1km from the place of excavation complete |
| 4 | Excavation of hard rock of all toughness in canal and cutoff trench of earth dam and other deep cutting sections by mechanical drilling and appropriate blasting with all lifts and delifts, loading into and transportation by transport vehicle within 1km of initial lead and depositing the excavated materials neatly in specified dump yard as direction by Engineer-in-charge and trimming of bed and slope to the design finished section by manually, if necessary complete (Recovery of useful materials of all sizes will normally be 0.7cum per cum of excavation measured in dump condition. In case of change of recovery due to rock condition, percentage is to be fixed by Chief Engineer-in-charge. |
| 5 | Fixing 25mm dia anchor bars in foundation rock including drilling 35mm dia holes, fixing wedged anchor and grouting with cement mortar 1:4 complete as per the direction of Engineer-in-charge excluding cost of MS rods for dams, barrages and power house structures including pull testing of 30% of anchors |
| 6 | Supply and filling in foundation and plinth with sand watered and rammed including the cost, conveyance, royalty, all other taxes and labour charges etc complete |
| 7 | Cement concrete (1:3:6) with 4cm size hard granite metal including the cost, conveyance, royalty, all other taxes and labour charges etc complete |
| 8 | RCC work of M-30 grade with 20mm and down grade black hard granite (crusher broken) stone chips including hoisting and laying and compacting concrete, watering and curing and finishing the exposed surface smooth, providing grooves or beds where necessary including cost of all materials (excluding cost of tor steel) and cost of all labour with T&P required as per direction of Engineer-in-charge |
| 9 | Supply, fitting and placing uncoated HYSD bar reinforcement complete as per drawing and technical specification including, cost, conveyance, taxes of all materials and labour complete as per direction of Engineer-in-charge |
| 10 | Providing form work for concrete with F2 finish for all permanently exposed surfaces not prominently exposed to public view such as in galleries, adits, bridges, retaining wall, open spillways etc with steel shutters or plywood shutters including supply of rigid tie and supports with all labour, materials, and T&P complete including finishing complete as directed by the Engineer-in-charge (abrupt surface irregularities over 5mm and gradual over 10mm measured with 1.5 and gradual over 10mm measured with 1.5m template is not permitted) |
| 11 | Excavation of any approved type of soil in approved borrow area by mechanical means loading into and transportation by mechanical means and unloading the soil within initial lead of 5km on properly prepared and scientifically approved surface including spreading and levelling the earth in 22.5cm layers to make ready for watering and compaction with sheep root rollers and dozers but excluding watering and compaction in dams and dykes for all heights including construction, maintenance, watering and lighting of haul road and borrow area etc complete as per direction of Engineer-in-charge (Measurement of the fill to be taken on the finished compacted section under OMC condition) |
| 12 | Supplying and spreading 50mm to 20mm sized granite metal filter criteria in horizontal filter zones and filter blankets to proper thickness including surface dressing within an initial lead complete as direction by the Engineer-in-charge |
| 13 | Providing and fixing on wall face unplasticised rigid PVC soil, waste and rain water pipes conforming to IS 13592 Type A including jointing with seal ring conforming to IS-5382 leaving 10mm gap for thermal expansion (i) Single socketed pipes |
| 14 | Works relating to survey and geotechnical studies and design & drawing for construction of 10.10 mtr stem height and 30 mtr length counterfort retaining wall with shear key, anchoring provision, weep holes Please Enable Macros to View BoQ information |
