REDESIGN AND OPTIMIZATION OF 10 MLD INFILTRATION WELL AT BANGAJHALA

excavation in Soil mixed with morum,shingle & kankar etc. using of any specials T&P, if required. 0 to 1.50 m below G.L

1.5 to 3.0 m below G.L

3 to 4.5 m below G.L

4.5 to 6.0 m below G.L

6 to 7.5 m below G.L

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size de rived from natural sources) RCC Apron slab 2.50m wide 0.3m thick

hole to enter equipments(pump etc)

Providing of filter media of following sizes. 150-100 mm

Providing and Laying of Mechanically Woven Double Twisted Hexagonal shaped Gabions (Zinc plus PVC coated), of size 3mX1mX1m with two diaphragms at 1m interval, having mesh opening 100mmx120 mm, mesh wire diameter 2.7mm/3.7mm, edge/selvedge wire diameter 3.4/4.4 mm and lacing wire diameter 2.2/3.2 mm. (The work includes filling boulders in the gabions). gabions surrounding 2m hight &2m width

Supply of Galvanised wire mesh of average width of aperture 1.4 mm and nominal dia of wire 0.63 mm first layer

second layer

third layer

IV layer

V layer

VI layer

Excavation work for river diversion :- Excavation in soil mixed with single bouldres etc. requireing the use of specials T&P, if any, for pipe line trenches including lift up to 1.5M and lead up to 30M with back filling, watering, ramming of excavated earth in the trenches.

Hire charges of Generator 100 KVA/125 KVA

Diesel (assuming fuel consumption 12 ltr/hr on 50% of load)

Hire charges of Pump set of capacity 4000 litres/hour(for 8 days)

Hire and running charges of loader

Hire and running charges of crane 20 tonne capacity

Hire charges of Technician

Hire charges of Beldar

Operator (Pile/ Special machine)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge providing hole to enter cleaning equipments(pump etc)

RCC Apron slab 2.50m wide 0.3m thick

RCC Bottom Plug (taken 8 m dia) ∏r2h

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineerin-charg providing hole to enter cleaning equipments(pump etc)

RCC Apron slab 2.50m wide 0.3m thick

RCC Bottom Plug (taken 8 m dia) ∏r2h

Supply of 35mm dia 3 core copper Conductor Flexible PVC Insulated Flat Cable

Construction of Intake Chamber to collect river water.

Supply and fixing of plastic sheets for making separate filter media chambers

Cartage of filter media

Providing and fixing D.I. D/F Sluice Valve confirming to IS 14846- 2000 in position etc compelete 350mm dia

Providing and Laying of D.I. Specials of class K-12 suitable for mechanical jointing as per IS: 9523- 2000

Supply & Fixing of 60 H.P, Star delta Panel.

Supply of 150 mm dia PVC hose pipe.

Supply of 100 mm dia PVC hose pipe.