Restoration of River training works at downstream of dam in Rangit Power Station

Construction of Sand / Earth bag retaining wall or gravity wall ( temporary) by providing and laying of Sand / Earth filled gunny / HDPE bags to channelize the leakage water, including quarrying sand , filling in empty bags, knotting, manual carriage up to 150 m and for all lift in spillway glacis, stilling basin floor or like the surfaces etc complete. The rate is including demolishing and disposal of material within 150 meters lead as per direction of Engineer - in charge.(The rate is exclusive of taxes).

Earth work in excavation by mechanical means (Hydraulic Excavator)/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Providing and fixing dowel/ anchor bar ( TMT ) including (a) drilling of hole in existing concrete or rock or like the surface, (b)straightening, cutting, bending, placing in position of anchor bar (c) grouting with suitable epoxy mortar or cement capsule , etc all complete up to floor five level in spillway glacis, hill terrain ,stilling basin floor / wall or like the surface etc. The rate is exclusive of taxes, transportation from Siliguri to RPS, loading, unloading and stacking but inclusive of premium @ 12 % over SSOR'12 &@ over 2% DSR'16. Departmental material such as Air compressor, Jackhammer, Electricity, shall be issued on demand by the contractor for executing the work if the same is available, but the rental charges and recovery rate shall be as per the norms of NHPC Ltd.

Supplying, bending and placing in position tor- steel reinforcement in all R.C.C works including cost of binding wires, all complete.

Providing, fixing & removing form work for casting R.C.C items of foundation, footings, base of column etc for mass concrete with imported timber from outside the state.

Providing & laying in position specified grade of reinforced cement concrete of nominal mix excluding the cost of form work, finishing & reinforcements. 1:1.5:3 Mix (1 cement, 1.5 coarse sand 3 graded stone aggregate 20mm and down nominal gauge)

Providing and Laying in position cement concrete of 1:2:4 mix. (1 cement, 2 coarse and, 4 graded stone aggregate of 20mm & down size) including compacting curing etc all complete.

Providing and Laying Plum concrete in 1:2:4 c.c. (1 cement, 2 coarse sand, 4 clean hard graded stone chips of 20 mm down nominal gauge) with 50% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing complete, as per the direction of Engineer in Charge.

Filling for road works Filling by supplying filling materials from outside in road works, in layers not exceeding 20cm in depth excluding carriage of materials and including consolidation of each layer by ramming, watering etc all complete by manual/mechanical means

Loading and unloading of Cement or Steel by manual means and stacking.

Loading and unloading of stone boulder/stone aggregates/sand/ kanker/moorum.

Cost of haulage excluding loading and unloading- Surfaced road).

Head load of non-stock materials for a distance beyond 30 m and within 100 m distance

Head load of stock materials for a distance beyond 30 m and within 100m distance.

R. S. Construction