Estimate for Flood Risk Mitigation by Laying RCC pipeline in low lying area of Village Lohara out falling at RD 117420 of Chandbhan Diversion Drain.

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 masonry in 15 cm. layers with compaction including disposal of all surplus soil as directed within lead of 30 Mtrs. (CSR Item No. 6.6)

Excavation in trenches with straight or open cutting in streets, lanes or in open area with 3D/JCB or exacavator including manually dressing bed, trimming sides and side slopes for sewers and manholes to full depths as shown in drawings,including, dressing to correct sections and dewatering , provision for diversion for traffic , protection of existing services i.e telephone cables , electric lines, water supply lines and gas lines etc. night signals,profiles, pegs,sight rails, boning rods, watching , etc ., fixing and maintenance of caution boards, fencing, refilling trenches, watering , ramming and restoration of surface to original level and removal of surplus spoil from the site of works, upto one chain (15m) complete in all respects . A ) For depths not exceeding 3.0 metre B.G.L i) For all classes of soil except rocky (CSR Item No. 29.5 A i)

Excavation in soil (any type) using Hydraulic Excavator CK 90 hydraulic excavator of 0.9 cum bucket capacity including cutting and leading in tippers, trimming bottom and side slopes, in accordance with requirement of lines, grades and cross sections, including all lifts and combined lead up to 30 m. (CSR Item No. 6.19)

Excavation in soil (any type) using Hydraulic Excavator CK 90 hydraulic excavator of 0.9 cum bucket capacity including cutting and leading in tippers, trimming bottom and side slopes, in accordance with requirement of lines, grades and cross sections, including all lifts and combined lead up to 30 m. (Rehandling of earth) (CSR Item No. 6.19 - 20 %)

Laying cement concrete in 1:2:4 with stone ballast or shingle mixing by mechanical Means using concrete mixer volumetric type. (CSR Item No. 10.13 a ii)

Providing, lowering 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 ofconcrete 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 B i & l) 1. RCC Hume Pipe S & S NP2 600mm.

RCC Hume Pipe S & S NP2 900mm.

Extra for providing 1:2 CSM on tytone rubber joint of RCC pipes having sockets extended out of barrel, in trenches, including facing trowelling and finising 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 1 i & g) 1. RCC Hume Pipe S & S NP2 900mm.

RCC Hume Pipe S & S NP2 600mm.

Extra over and above the rate of item No. 29.4 ( a to e) for lowering sub-soil water level from its natural level, as decided by the Engineer-in-charge, by every 0.30 m depth (Upto requisite depth), including cost of Bore Holes Machinery and carrying out the work in safe manner. (CSR Item No. 29.6 a & b) 1. For Sewers below 760 mm. i/d