Repair of drainage crossing at various RD between 48600 to 24000 of Ambala Drain

Amount

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering- All work below plinth level and up to floor IV level: 1:1.5:3 (1 Cement 1: 5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size)

Providing and laying in poistion cement concrete of specified grade excluding the cost of centering and shuttering- All work below plinth level and up to floor IV level: 1:2:4 (1 cement: 2 coarse sand (zone-III): 4 grade stone aggregate 20 mm nominal size)

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 up to 50 m and lift up to 1.5 m, as directed by Engineer-in-charge. All kind of soil.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each depoisted layer by ramming and watering, lead up to 50 m and lift up to 1.5m including loading, unloading, carriage of earth. Extra for levelling and neatly dressing of disposed soil completely as directed by Engineer-In-charge

Providing lowering cutting jointing and testing RCC pipe class NP-3 as per IS-458-2003 with spigiot & socketed joints manufactured with ISI marked sulphate resistance cement as per ISI 12330 with rubber rings ISI marked antiternmite as required at site in to trenches for all depths and laying out the same to correct alignment gradients and level including dressing and trimming and cutting of concrete beds and side of trenches, if required jointing with rubber rings in trenches and jointing 1:3/2 cement sand mortar and finishing the joints at an angle of 45 degree with faces of spigot of socket joints cutting and finishing the cut surface to a uniform finish etc. as fully described in item no. 21.38, item 21.44, item 21.45, & item 21.46 including cartage loading and unloading complete in all respect. the internal diametric of the sewer being: 1200 mm dia pipe.

Mohammad Azhar