Improvement to Seriguma-I Check Dam in K.Singhpur Block of Rayagada District under Imp. to Check Dam scheme for the Year 2026-27

Excavation in approved type of soil free from all roots waste materials kankars in approved borrow area by manual labour or by mechanical means or by both loading in to and transportation by mechanical means and unloading the earth with all leads and lifts on properly prepared and scientifically approved surface including spreading and removing un-desirable materials and leveling the earth in 22.5 cm. layers to make ready for watering and compaction with sheep foot rollers and dozers but excluding cost of watering and compaction in dam and dyke for all height measured above the un-stripped average ground level including construction and maintenance of coffer dam as and where required and construction maintenance, watering and lighting of haul road and borrow area including jungle clearance and stripping of borrow area including trimming the extra partially compacted earth beyond the design section etc. complete as per the direction of the Engineer in charge.(Measurement will be taken on finished Level Section).

Excavation of foundation in hard or all kind soil with initial lead and lift including rough dressing and leveling the bed and fit for laying concrete and depositing the excavated materials clear of work site as & where directed with all leads & lifts including showing shuttering propping bulla & dewatering from foundation if necessary etc. complete in all respect by the Engineer in charge.

Rigid and smooth centering and shuttering for R.C.C. works including false works and dismantling them after casting including cost of materials, conveyance & Labour etc. complete in all respect as directed by Engineer-in-Charge.

Supplying, straightening, cutting, bending, binding and tying the HYSD bars and placing in position as reinforcement and anchoring including lapping where necessary including cost of HYSD bars & binding wire with all leads, lifts from bending yard to placement point including cost, conveyance, labour, T&P & all taxes required for this item etc. complete in all respect as directed by the Engineer-in-charge.

Cement concrete M15 grade with 20 mm down grade crusher broken hard granite chips quarried & free from weathered skin of approved quality mixing by concrete mixer with all leads & lifts including hoisting, lowering and laying concrete in position to proper slope and level and compacting by Vibrator in layers not exceeding 0.15m in depth finishing the exposed surface smooth including watering, curing for required period including cost, conveyance, royalty,EMF, DMF, additional charge and other taxes of all materials supplying all labour and T&P required for the work etc. complete in all respect as directed by Engineer-in-charge.

Reinforcement Cement concrete in (M 20) with 20 mm down grade crusher broken hard granite chips quarried & free from weathered skin of approved quality mixing by concrete mixer including hoisting, lowering and laying concrete in position to proper slope and level and compacting by Vibrator in layers not exceeding 0.15m in depth finishing the exposed surface smooth including watering, curing for required period including cost, conveyance, royalty,EMF, DMF, additional charge and other taxes of all materials supplying all labour and T&P required for the work etc. complete in all respect as directed by Engineer-in-charge.

Rough stone dry packing in aprons and revetments to all heights & slope with hard stones other than granite of 15cm to 30cm size in all direction (weighing 140 lbs / cft. & above) of approved quality and free from weathered skin including filling the interstices with small stones with cost, conveyance, royalty, EMF, DMF & additional Charges and other taxes of all materials etc. complete in all respect as directed by the Engineer in charge. (1/6th. volume will be deducted towards voids).