Slope protection work on the down stream of surlikonda barrage i.e Right side bank of potteru River in the District of Malkangiri for the year 2025-26

Earth work in hard soil or graveely soil within 50 mm Initial lead and 1.5m initial lift including rough dressing and breaking clods to maximum 5cm to 7 cm and laying in layers not exceeding 0.3m in depth and as per the direction of the E.I.C.

Filling foundation /plinth with sand including watering & ramming including cost,conveyances and royality of all materials complete as per direction of Engineer-in-charge.

Providing and laying Cement concrete of grade M15 with 20mm and down graded crusher broken hard granite Coarse aggregate with supply of all materials, lbour and machineries including hoisting etc.Complete in all respects and as per the direction of E.I.C.

Rigid smooth centring and shuttering for C.C. works including false works and dismantling then after as and when required with cost, canveyance of all materials, labour complete as directed by the Engineer-in-Charge.

Quarrying, collecting, supplying hard granite stone boulder of 15 cm to 30 cm size from approved quarry free from weather skin surface and other deterious materials, packing the stones in rip-rap , slope protection works in river embankment to required profile in all heights and depths including filling the interstices with small stones, wedging and hammering etc. including cost, conveyance, labour, T&P required for the work, royality, cess, taxes hire and running charges and transportion of all materials of approved quality with uniform colour and texture with all leads,lifts,delifts handling and re-handling etc. including all other incidental charges required to complete the work as per the specification and direction of the Engineer-in-charge(Measurement will be taken on finished level sections )

Excavation of any approved type of soil in approved borrow area by mechanicals means loading into and transportation by mechanical means and unloading the soil with 5 KM lead on properly prepared and scientifically approved surface including spreading and levelling the earth in 22.5cm layers to make ready for watering and compaction with sheep foot rollers and dozers but excluding and compaction in dams and dykes for all heights including construction, maintenance, watering and lighting of houl road and borrow area etc. complete as per the direction of Engineer-in-charge.

Providing weep holes in Brick masonary /plain / reinforcement cement concrete Abutment/wing wall / return wall with 90 mm dia P.V.C pipe extending through the full width of structure with slope IV:2011 towards drawing force etc complete as directed by the Engineer-in-charge.

Supplying and spreading 40 mm down graded, 20 mm down graded size granite metal and sand filter in horizontal drain including levelling etc. complete within initial lead as directed by the Engineer-in-charge.( Cost and transportation is to be added).

Filling foundation & plinth with excavated materials with well watered & rammed including cost of all materials and T & P etc. Complete as per direction of Engineer-in-charge( vide A/R -2006, Item No - 14, P -8 ).

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