Estimate for construction of Pipe connecting the inspection Chamber (D/S of Railway Crossing at RD 82603) of Banur Canal and Head of Chattarnagar Minor

Amount

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with excavated surplus soil. Mechanical Means depth upto 3mtr Basic Rate

Excavation by mechanical means (JCB or Hydraulic excavator) in trenches for pipe lines with straight or open cutting in streets or open area including trimming and dressing sides levelling of beds of trenches to correct grade, cutting joint holes, refilling consolidation, watering, including the cost of dewatering of rain water, diversion for traffic, night signals, providing & fixing caution boards, crossing over trenches for access to the houses, watching, fencing, etc. and removal of surplus soil out side/inside the town involving lead upto 15 meter complete in all respect. Earth work upto 1.5 m. Depth for All classes of soil except rocky.

Compaction of Earth extra for laying earth/fly ash as per specifications in 20 cm. Layers and dressing but excluding cost of rolling & Extra for watering the earth/fly ash laid in 20 cm layers as per specifications for compaction & C Extra for rolling to specifications.

Cement concrete 1:3:6 mixing by mechanical means using concrete mixer volumetric type

Reinforced cement concrete M-30 mechanically batch mixed using batch type concrete mixer as per IS: 1791 and vibrated by needle vibrator but excluding steel reinforcement centring and shuttering in foundation and plinth.

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 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 o and making good the same leakage and all defects to the entire satisfaction of the Engineer-in-charge including all cartage etc. 500mm i/d, R.C.C. Pipe NP -3.

Cold twisted deformed (Ribbed/tor steel bar) bars Fe-500 grade as per IS-1786-2008 for RCC works including supply carriage loading and unloading and bending, binding and placing in position complete in all respects.

Single layer brick lining for irrigation channels (Distributaries and minors) or section for all depths consisting of:- a) First layer 12.5mm thick cement plaster 1:5 on sub grade and finished. b)Second layer of 10mm thick cement plaster 1:3 properly rendered and finished. c) 75mm thick bricks laid in 1:3 cement sand mortar over second layer, including supply and carriage of Ist class bricks, sand of requisite F.M. from approved quarry, supply and carriage of cement from nearest market to site of work complete in all respect. In side slopes for all sections.

Extra allowance for providing templates in curved portion of lining

Laying brick on edge coping 229mm wide and 115mm thick in cement sand mortar 1:3 over 12.5mm thick cement plaster 1:5 including supply, carriage, loading and unloading of materials from source to site of work complete in all respects. For Coping.

Shuttering for faces of concrete foundations and foundation beam & plinth beam (vertical or battering)

Dressing side slopes and preparation of sub grade for lining

Dressing of Earth work (NEW)

Earth work for lip cutting for lining of irrigation channels inclusive of all allowance leads and dressing. 0-1.50 mtr

Providing & fixing 560 mm, 500 mm and 450 mm internal diametre circular or 450 mm x 600 mm clear inside opening rectangular RCC manhole cover and frame ISI marked as per IS:12592-2002 including carriage from the stores of the Engineer-in-charge to site of work, loading, unloading including stacking and setting the same to correct lines over manholes including cement concrete copping (M:20) around the frame etc. Dia of steel for lifting hook is 16mm. (for EHD and HD). 560mm i/d RCC man hole cover with frame as per ISI (Extra Heavy duty).

Providing & fixing C.I/D.I Flanged end, stem of SS (AIS 1410) and Bronze(gunmetal) working parts Sluice Valves ISI marked 14846-2000, including jointing, testing & cost of Nut, Bolt & insertion sheet, all carriage complete (with the approval of Engineer incharge). Class PN-1 as per ISI. 500mm i/d Sluice Valves flanged

JASKARAN SINGH GILL CONTRACTORS