Construction of Escape Channel at RD 73250/R of Teona Disty.

Amount

Excavation in Soil type) using Hydraulic Excavator CK 90 with hydraulic excavator of 0.9 cum bucket capacity including cutting, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, including all lifts and combined lead upto 30m.(6.19)

Earth work in excavation in foundations, trenches etc. in all kinds of soil where pick jumper work is not involved and not exceeding 2.0 metres depth including dressing of bottom and sides of trenches, stacking the excavated soil clear from the edge of excavation and subsequent filling around masonary in 15 cm layers with compaction including disposal of all surplus soil as directed within lead of 30 meters.(6.6)

Rehandling of Earthwork (CSR chapter 6 note no. 2)

PCC 1:3:6 (M-10) nominal mix with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by viberation i/c curing for 14 days as per drawing and technical specification.

Laying RCC M-20 for solid slab superstructure using batching plant, Transit mixer and concrete pump including cenetering & shuttering laid in position complete in all respects. (upto 5 m height)

Cold twisted deformed (Ribbed/ Tor Steel Bar) Bars Fe-500 grade as per IS 1786-1985, for R.C.C works, where not including in the complete rate of RCC including bending and placing in position complete.

Centering & Shuttering for faces of walls, partitions, retaining walls, & the like (vertical or batening including attached pillasters butresses etc when curved).(9.3)

Bending and fixing iron rungs on lined slopes as per IS code:; 3873-1993 (CSR item No. 19.17)

Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire confoming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 18 kg, Including excavation for trimming for prepration of bed Boulder Apron Laid in Wire Crates.(CSR Item No. 22.23 A)

Providing, lowering RCC Hume NP-4 Pipe 700mm l/d in trenches 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. (CSR Item No 29.46/D/j)

Extra for providing 1:2 cement sand mortar on tytone rubber joint of RCC pipes having sockets extended out of barrel, in trenches including facing trowelling and finishing the joints at the angle of 45 degree with faces of socket keeping joints wet till cured, testing the pipe joints for leakproof and making good all leakage and defects as per specifications.(CSR Item no 29.47 II/j

Cement concrete lining 75mm. thick or less laid manually for irrigation channels, using cement concrete M- 15 with cement content 325 kg/cum mixed in an automatic computerized Batching & Mixing Plant and transported to the site in transit mixers with an average lead of 1 Km(FOR TRAPEZOIDAL SECTION AND CUP SECTION OF ALL RADII) (19.40)

Extra for earthwork for puddling work. [6.2(f)]

Providing Lowering, jointing and cutting of RCC pipes 150 mm dia for air vent pipe into Trenches and laying same to correct alignment ( @2.50 metre / No)

Laying cement water slurry 1:3, with cement @ 2.25 kg/sqm as on prepared side slopes before laying concrete on side slopes.(19.12)

Shuttering for faces of Concrete lining on side slopes and bed complete in all respect as per design / drawing and PWD specifications.(9.1)

RAJINDER SINGH CONTRACTOR (BID ID -609874)