Soil Erosion Protection at Pakribari and Pohurabari areas under Tamulpur LAC under RIDF-XXX.

Amount

WATER HARVESTING STRUCTURE

Clearing and Grubbing land including uprooting rank vegetation, grass

Const. of Diversion channel to divert the flow of water in up stream of the proposed structure

Earth work in filling for construction of coffer dam with approved materials with all lifts and leads, transporting to site, spreading, grading to required slop and compacting

Excavation for structures (Earth work in excavation of foundation of structure as drwaing and technical specification including setting out, const. of shoring and braching, removal of stumps and dressing of sides and bottom, backfilling the excavated earth.) Above GBL

Excavation for structures (Earth work in excavation of foundation of structure as drwaing and technical specification including setting out, const. of shoring and braching, removal of stumps and dressing of sides and bottom, backfilling the excavated earth.) Bellow GBL

PCC 1:3:6 in foundation (Plain cement Concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days)

Plain/ Reinforced Cement Concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork, curing completed as directed. PCC Grade m20, Height upto 5 m using concrete mixture

Supplying, fitting fixing and placing TMT bar reinforcement in substructure with TATA make TMT CRS (Fe500 grade) rebar

Plastering with cement morter (1:3) on brick work in sub structure as technical specification

Providing and laying filter media with granular materials/stone crushed aggregate satisfying the requirements laid down in clause 2504.2.2 of MoRTH specification complete as per drawing and technical specification

Earth work by head load in filling embankment in layers not exceeding 20 cm ordinary soil, basti land, low marshy land

Const. of periphery bund along the Banks of the Channel with approve materials obtained from borrow pits with a lift up to 1.5 m, transporting to site, spreading, gradding to required slope and compacting.

Providing and laying boulder apron on river bed for protection against scour Boulder laid dry without wire crates.

Providing Signboard

Providing and laying hand tubewell

Earth work in Excavation of foundation of structure (Boulder Sauage/revetment) as per drawing and technical specification including setting out, const. of shoring and braching, removing of stamps and other deleterious matter, backfilling the excavated earth by the site of Boulder Sausage.

Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS:280 & IS:4826 in 130 mm x 130 mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40 kg each.

Cost of Haulage & Loading and unloading of man size Boulder in project site

Deraj Saikia (BID ID -259974)

Ikbal Hussain (BID ID -259894)

Simanta Das (BID ID -259993)

ABHIJEET OJAH (BID ID -260011)

Dubu Construction (BID ID -259848)