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| 1 | Cuttingandclearance of jungle, bushes, shrubs Ankra/Ipomoea, Juliflora typna etc. on canal and bunds in dry/moist/slushy conditions including disposal as per instructions of the Engineer-in-charge. Cost of wood has been deducted from rates and thus will be property of contractor after cutting. Thick |
| 2 | Demolishing stone rubble masonry including stacking of usable material and disposal of unuseable material within 50 meters lead inclusive of de-watering wherever required.In cement mortar20.17.1 The rates given are for dismantling of good quality work. For dismantling poor quality or weathered ; weakened work the rates will be reduced by 30% |
| 3 | Labour charges for making coffer dam/ring bund (under flowing / stagnate water pool) by loading transporting earth filled cement bags dropping at required locations in water including lead up to 3 km and lift up to 8 meter from NSL complete (excluding cost of earth filled cement bags). |
| 4 | Supplying of well stitched earth filled bags of capacity, weigh not less than 40 kg per bagat site etc. complete. Plastic bag |
| 5 | Prepration of old masonry surfaces before laying of further masonry or concrete over it by cleaning the surface and mortar joints with brushing and raking finally, washing by compressed airandwater under pressure. |
| 6 | Excavation including loading, unloading, disposal and dressing of excavated earth within initial lead of 50m and lift up to 1.5m including dressing of excavated area and dewatering wherever required complete in all respect Hard soil mixed with Kankar / boulders, Morrum |
| 7 | Excavation including loading unloading disposal and dressing of excavated rock within initial lead of 50m and lift upto 1.5m in dry or moist including dressing of excavated area, de-watering wherever required complete in all respect. Soft / Disintegrated rock |
| 8 | Excavation including loading unloading disposal and dressing of excavated rock within initial lead of 50m and lift upto 1.5m in dry or moist including dressing of excavated area, de-watering wherever required complete in all respect.Hard rock not requiring blasting |
| 9 | Extra lead over item no 1 to 8 of excavated material.Beyond initial lead of 50 mandupto 250 m |
| 10 | Extra lead over item no 1 to 8 of excavated material.Add extra over item 10 (a) for lead beyond 250mandupto 750m (for average 1/2Km). |
| 11 | Providing and Laying in position of Cement concrete Nominal mix (1:3:6) including leads of all construction materials, curing, compaction and finishing with rendering in cement sand mortar 1:3(1 cement : 3 coarse sand) and making good the joints excludingthe cost of centering, shuttering and reinforcement. Well graded crusherbroken stone aggregate of maximum size upto 20 mm |
| 12 | Drilling holes of 35 mm diameter for anchor rods.Upto 1.50 m. depth |
| 13 | Labour charges for Fixing of anchor bars in neat cement grout including cost of cement and curing etc. complete |
| 14 | Supply of Tor steel anchor bars of required diameter, length and shape at site of work complete. |
| 15 | Supplying of M.S. reionforcement including labour charges for bending binding and placing in position all reinforcement as per drawing including cost of binding wire and all leads and lifts using. Tor or ribbed bars (IS :1786-1985) |
| 16 | Side shuttering including propping etc. complete (to achieve finish F 2 for :Retaining wall, counterfort, abutment, wing walls up stream or down- stream slope facings of dams and open faces of construction joints etc. |
| 17 | Providing and Laying in position of Cement concrete Design mix M-15 including leads of all construction materials, plasticizers (if required), curing, compaction and finishing with rendering in cement sand mortar 1:3 ( 1 cement : 3 coarse sand) and making good the joints excludingthe cost of centering, shuttering and reinforcement. Well graded crusherbroken stone aggregate of maximum size upto;(For mix design Cement content considered 320 kg/ cum of concrete) 20 mm |
| 18 | Providing and Laying in position of Cement concrete Design mix M-20 including leads of all construction materials, plasticizers (if required), curing, compaction and finishing with rendering in cement sand mortar 1:3 ( 1 cement : 3 coarse sand) and making good the joints excludingthe cost of centering, shuttering and reinforcement. Well graded crusherbroken stone aggregate of maximum size upto;(For mix design Cement content considered 400 kg/ cum of concrete) 20 mm |
| 19 | Extra labour charges for RCC due to obstruction in laying and placing the reinforced cement concrete due to reinforcement. Columns, slabs, cantilevers projections staircases, lintels, beams, chajjas, Retaining walls, piers, abutments, galleries, arch covers, bed plates, sluice capstan bases etc. |
| 20 | Drilling more than 48 mm but upto 76 mm dia, holes in all types of rock or artificial hard material like concrete or masonry for consolidation/ curtain grouting in stages by percussion drilling including cost of drilling equipment, compressed air, water etc. complete and re-drilling in the hole through set grout if required.Up to 5 m. depth |
| 21 | Drilling more than 48 mm but upto 76 mm dia, holes in all types of rock or artificial hard material like concrete or masonry for consolidation/ curtain grouting in stages by percussion drilling including cost of drilling equipment, compressed air, water etc. complete and re-drilling in the hole through set grout if required.From 5 to 10 m depth |
| 22 | Drilling more than 48 mm but upto 76 mm dia, holes in all types of rock or artificial hard material like concrete or masonry for consolidation/ curtain grouting in stages by percussion drilling including cost of drilling equipment, compressed air, water etc. complete and re-drilling in the hole through set grout if required.From 10 to 15 m depth |
| 23 | Supplying and lowering into holes and fixing of casing pipes of suitable diameter to enable drilling of minimum 48 mm dia grout holes. |
| 24 | Washing and open flushing of drilled holes by alternate jet of air and water under pressure prior to pressure washing and flushing or grout after stage grouting including cost of equipment, compressed air and etc. complete. |
| 25 | Normal pressure washing of drilled hole in stages in approved pattern for cleaning of clay, soil and other filler materials from the seams and joints in the foundation rock by establishing connections under pressure with airandwater including cost of equipment, accessories compressed air, water, labour, admixtures if any required etc. complete as per specification. |
| 26 | Grouting of drilled holes minimum 35 mm dia with or without packers with cement/ clay and or chemicals (in the form of slurry with water) in prescribed ratio till refusal including cost of grouting equipment, compressed air and water etc. complete but excluding cost of cement, clay and chemicals (only dry weight of ingredients excluding chemicals to be considered ) with a working pressure upto 15 kg/Cm2 (Dry cement consumption) |
| 27 | Cement OPC (in bags) 50 Kg in weight. As per IS 1489 and IS 8112(excluding cost of empty begs). |
| 28 | Conducting water intake test in test holes under pressure for determining permeability before or after grouting including cost of equipment and water etc. complete |
