Strengthening of Sewerage (Relaying of Damaged Trunk Sewer Line of Village Salarpur and Bhangel at DSC Road) Noida

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of E/I. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Earth work in excavation by mecanical means (hydraulic excavater)/manual means in over areas (exceeding 30 cm in depth, 1.5m in width as well as 10 sqm on plan) i/c disposal of excavated earth, lead up to 50 m and lift up 1.5, disposed earth to be levelled and neatly dressed in all kind of soil.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 excavation only after getting permission of E/I.

Extra for every additional lift of 1.5 or part thereof in all kind of soil.

1.50 - 3.00 m

3.00-4.50m

4.50 - 6.00 m

Centring and shuttering including strutting, propping etc. and removal of form for Foundation, footings, bases of columns etc. for mass concrete.

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 lift upto 1.5m.

Providing and laying in postion cement concrete of specified grade exculding the cost of centring and shuttering _ All workup to plinth level 1:4:8( 1 cement : 4 Coarse sand zone (ZOne-III) 8 Graded stone aggregate 40 mm Nominal size)

Supply and Installation of required size steel pipe 10 mm thick conferming fo IS : 3589 through trenchless excavation of thrust pit and receiving pit of required size and and the excavation & filling back & compaction complete as per specification for road crossing by auger boring method. Pipe will be installed at depth beyond 3 below surface in downward required slope.....600 mm dia Sewer pipe