Installation of Rain Water Harvesting System at Community Hall Mithakhari and Community Hall Ograbaraj under Gram Panchayat Mithakhari.

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.

All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size ).

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 :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removal of form for:

Foundations, footings, bases of columns, etc. for mass concrete.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

12 mm cement plaster finished with a floating coat of neat cement of mix :

1:4 (1 cement: 4 fine sand)

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

40 mm thick with 20 mm nominal size stone aggregate

Providing and fixing 15 cm wide, 45 cm overall semi-circular plain G.S. sheet gutter with iron brackets 40x3mm size, bolts, nuts and washers etc., including making necessary connections with rain water pipes complete.

0.63 mm thick with zinc coating not less than 275 gm/m²

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.

110 mm diameter

Providing and Fixing on wall face unplasticised- PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS: 13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10 mm gap for thermal expansion.

Coupler 110 mm

Single tee without door 110x110x110 mm

Bend 87.50 110 mm bend

Providing and Fixing unplasticised- PVC pipe clips of approved design to unplasticised- PVC rain water pipes by means of 50 x 50 x 50 mm hard wood plugs, screwed with M.S. Screws of required length, including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete.

Providing and fixing to the inlet mouth of rain water pipe cast iron grating 15 cm diameter and weighing not less than 440 grams.

Dismantling steel work in single sections including dismembering and stacking within 50 metres lead in:

Channels, angles, tees and flats

Dismantling wooden boardings in lining of walls and partitions, excluding supporting members but including stacking within 50 metres lead :

Thickness above 10 mm up to 25 mm

Constructing soak pit 1.20x1.20x1.20m filled with brickbats including S.W. drain pipe 100 mm diameter and 1.20 m long complete as per standard design.

Supplying, filling, spreading & leveling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Supplying, filling, spreading & leveling coarse sand of size range 5 mm to 10 mm in the recharge pit, over the existing layer of boulders, in required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Supplying, filling, spreading & leveling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in the required thickness over gravel layer, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete in shelves, including setting in cement mortar 1:3 (1cement : 3 coarse sand), cost of required centering, shuttering and finishing with neat cement punning on exposed surfaces but , excluding the cost of reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size).

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)