Improvement work of Existing Rainwater Harvesting system at AAI Residential Quarters at Ulsoor, Bangalore

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

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil From 1.5 m to 3 m.

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil From 3 m to 4.5 m

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil From 4.5 m to 6 m

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil From 6 m to 7.5 m

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 upto1.5 m, as directed by Engineer-in-charge. Ordinary rock

CARRIAGE OF earth by Mechanical Transport including loading,unloading and disposal beyond initial lead of 50 mts and up to 10.00 Km

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

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)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 Cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 40 mm nominal size)

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)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)

12 mm Cement plastering with 1:4 (1 cement : 4 fine sand) Cement Mortor

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder , railings, brackets, gates and similar works

Providing and suppling of Aggregates 40mm and above for Filter media as per direction of Enginer in charge

Providing and Laying 160 mm diameter Single socketed unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A as per the direction of Engineer in charge

Providing and Fixing of Precast Ferro Cement Rings diameter 1.22 m. and thickness 0.05 m. with 0.3 m. height as per Directions of Engineer in charge.

Providing and Fixingg of RCC precast Ferro Cement rings top cover (1.52 m. dia 0.15 m. thick) as per Directions of Engineer in charge.