Estimate for Reconstruction of Bahubarkhera Minor through pipeline at RD 70752 of Sukhchain Distry.

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)

Providing, lowering in trenches to correct gradient and alignment, jointing with tyton rubber joint and cutting of RCC S&S pipes & specials with rubber ring ISI marked as per IS code IS 458-2013 into trenches for all depths and laying out the same to correct alignment, gradients, levels etc. cutting of conc. 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, haunhes 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 Engineer-in-Charge including all cartage etc. NP-2

Excavation in trenches with straight or open cutting in streets, lanes or in open area with 3D/JCB or excavator 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.

Providing Precast blocks cement Concrete 1:2:4

Laynig fine sand in foundation (under pipe Line)

Extra over and above the rate of item No.29.2,29.4,29.5 (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 requisit depth),i/c cost of bore holes,machinery and carrying out the work in safe manner complete in all respects.

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 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.

Cement concrete 1:2:4 with stone ballast or shingle using concrete mixer volumetric type(item no.10.11(ii))

Excavation in soil using hydraulic JCB excavator CK-90 with hydraulic excavator of 0.9 cum bucket capacity including cutting,trimming bottom and side slopes,in accordance with reuirements of lines,grades and cross sections,including all lifts and combined lead upto 30m. (item no.6.19)

Reinforced cement concrete M-30 mechanically batch mixed using batch type concrete mixers as per IS:1791 and vibrated by needle vibrator but excluding steel reinforcement, centering and shuttering in superstructure (item no 10.22)

Supplying fitting and placing HYSD bar reinforcement in superstructure complete as per drawing and technical specifications (item no-22.2 )

Shuttering for faces of concrete foundations (item no 9.1)

Supplying and mixing of water proof compound as IS 2645 , 2% by weight (1Kg WPC per bag) for this liquid retaining structure.

Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. RCC Grade M30

Plain/Reinforced cement concrete in Sub-structure complete as per drawing and Technical Specifications. RCC Grade M30

Foot Rest for Manhole : Providing orange colour safety footrest of minimum 6mm thick plastic encapsulated as per IS:10910on 12mm dia steel bar confirming to IS: 1786 having minimun cross section as 23mm x 25mm and over all minimum length 263mm and width as 165mm with minimum 112mm space between protruted legs having 2mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specification and having manufacturers permanent identification mark to be visible even after fixing, including fixing in manholes with 230x150x75cm cement concrete block 1:2:4 (1 cement: 2 sand: 4 stone aggragate) complete as per design.

Any other item