Providing Rain Harvesting System for Girls Hostel No 11 in PU South Campus Sector 25 Chandigarh

Earth work in excavation by mechanical means (Hydraulic excavator) /manualmeans over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10sqm 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. (DSR ref. 2.6.1)

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :

All kinds of soil

Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia. (DSR ref. 2.10.1.2)

Pipes, cables etc. exceeding 300 mm dia but not exceeding 600 mm (DSR ref. 2.10.1.3)

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating Each deposited layer by ramming and watering, lead up to 50 m and all lift (DSR ref. 3.25)

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

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) (DSR ref. 4.1.3)

1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) (DSR ref. 4.1.10)