M/o Sewerage (Replacement of Old Small sized dia and damaged and Chocked sewer and Water line in Village-Chhajjarsi) Noida

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)

Earth work in excavation by mechanical means (Hydraulic excavater) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as we as 10 sqm on plan) including getting out and disposal of exavated earth, lead upto 50 and lift upto 1.5m, as directed by Engineer-in-charge. The contractor has to detect different utilities like sewer line, water supply line, electric cable, telephone cable, gas pipe line etc. using utility detecting machine before start of excavation and shall start excavating only after getting permission of Engineer-in-Charge. All kinds of soil.

Extra for every additional lift of 1.5 or part thereof in excavation / banking excavated or stacked materials. all kind of soil. ... 1.50 - 3.00 m

Centering and shuttering including strutting, propping etc. and removal of form for : 12.01) Foundation, footings, bases of columns etc. for mass concrete.

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)

P/L non-Pressure NP-3 Class RCC spigot socketed pipe confirming to IS:458:2003 with latest amendment laying in true alignment & position on craddle including with rubber ring (confirming to IS : 5382 with latest amendment) testing of laid pipe as per direction of Engineer incharge complete in all respect.

400 mm dia

300 mm dia

Constructing brick masonry circular type manhole 0.91 m internal dia at bottom and 0.56m dia at top in cement mortar 1:4 (1 cement :4 coarse sand), in side cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement, foundation concrete 1:3:6 mix (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size), and making necessary channel in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement, all complete as per standard design : 0.91 m deep with S.F.R.C. cover and frame (heavy duty, HD-20 grade designation) 560 mm internal diameter conforming to I.S. 12592, total weight of cover and frame to be not less than 182 kg., fixed in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including centering, shuttering all complete. (Excavation, foot rests and 12mm thick cement plaster at the external surface shall be paid for separately) : With common burnt clay F.P.S. (non modular) bricks of class designation 10.00

Extra depth for circular type manhole 0.91m internal dia (at bottom) beyond 0.91 m to 1.67 m With common burnt clay F.P.S. (non modular) bricks of class designation 10.00