Laying of Sewer Line and Cleaning work of sewage system (like Septic tank, Chamber and manhole etc.) located at different locations of Sewa-II Power Station (CW-749)

Cleaning of Manhole of Sewarage Line through Sucker Machine and dumping waste at designated loaction.

Cleaning of under ground Chamber of Sewarage Line through Sucker Machine and dumping waste at designated loaction.

Cleaning of Septic tank of Sewarage Line through Sucker Machine and dumping waste at designated loaction.

Excavating trenches by mechanical/manual means of required width for pipes, cables etc. including excavation for sockets and dressing of sides, ramming of bottoms for all depth, including getting out the excavated soil and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layers by ramming, watering etc. and disposing of surplus excavated soil as directed within a lead of 50m All Kind of soil Pipes, cables etc. exceeding 80mm dia. But not exceeding 300mm dia

Providing and laying cement concrete 1:5:10 (1 cement: 5 coarse sand: 10 graded stone aggregate 40 mm nominal size) including bed concrete as per standard design. All around S.W. pipe 150 mm diameter S.W. pipe

Providing, laying and jointing glazed stoneware pipes class SP-1 with stiff mixture of cement mortar in the proportion of 1:1 (1 cement : 1 fine sand) including testing of joints etc. complete. 150 mm diameter

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone- III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarsesand (zone- III) : 8 graded stone aggregate 40 mm nominal size),inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4graded stone aggregate 20 mm nominal size) finished with a floatingcoat of neat cement complete as per standard design : Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Extra for depth for manholes Size 90x80 cm With common burnt clay F.P.S. (non modular) bricks of class designation 7.5