Trough wall lining from RD 00 M to RD 840M Of Chandrapur Sub-Minor. 1R off-taking from Sonepur Distributary at RD 885m of Ong Irrigation Extension project.

Earth work in excavation in all kinds of soil with initial lead of 50m and initial lift of 1.50m and laying the excavated materials canal bank in filling reaches/ spoil banks in 22.5cm layers including trimming of slopes and bed to design section as directed by the Engineer –in –charge.

Supplying and laying coarse sand in canal bed in proper thickness and level for sub base of cement concrete lining in bed including cost, conveyance , royalty and taxes of all materials , all labour complete as directed by the Engineering - in - charge.

R.C.C /Plain Cement Concrete grade M-20 using 20mm and down graded black hard granite crusher broken chips using cement, coarse and fine aggregates of approved quality, mixed in a concrete mixer of not less than 0.2 cum capacity / appropriate weigh batcher using approved mix design, laid in approved fixed side formwork, spreading the concrete with shovels, rakes, compacted using needle / screed / plate vibrator and finished in continuous operation including provision of construction joints, curing of concrete for 14-days, as per the direction of Engineer in Charge.

Supplying, cutting, bending, binding, and placing uncoated HYSD bar reinforcement complete as per drawing and technical specification.

Shoring and shuttering for C.C. / R.C.C. foundation, Plinth band, Footing base of column, mass concrete, pre - cast slab, Trough wall etc, and removing them after laying of filter materials and concrete.

Filiing in foundation and plinth with excavated materials including watering and ramming etc complete in all respect as per the direction of the Engineer-in-charge

Excavation of any approved type of soil in approved borrow area by mechanical means and loading into and transportation by mechanical means and unloading the soil on properly prepared and scientifically approved surface excluding watering and compaction in embankments of canal for al heights including construction, maintenance, watering and lighting of haul road and borrow area etc complete as per the direction of the Engineer in charge. (Measurement of the fill to be taken on the finished section)

Providing weep holes in RCC abutment, wing wall with 50 mm dia PVC pipes extending through full width of the structures with slope of 1(V) : 20(H) toward drawing face complete as per drawing and Technical specification.

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