Construction of earth retaining structure behind departmental staff quarter no.B3 and B4 at the 160MLD Salauli WTP.

Earthwork 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 sq.m on plan) including disposal of excavated earth lead upto 50 m and lift upto 1.5m disposed earth to be leveled and neatly dressed including providing barricading danger lighting guarding as directed in :>All kinds of soil

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete

Providing and laying plum concrete in cement concrete 1:2: 4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 mm nominal size) with plums not exceeding 15% of the volumne of the finished concrete of size ranging from 150 to 300 mm (but the maximum dimension not exceeding 1/3rd (one third) the least dimension of member under consideration excluding the cost of centering and shuttering:>With granitic or basaltic stone plums in :>foundation and plinth.

Providing and laying plum concrete in cement concrete 1:2: 4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 mm nominal size) with plums not exceeding 15% of the volumne of the finished concrete of size ranging from 150 to 300 mm (but the maximum dimension not exceeding 1/3rd (one third) the least dimension of member under consideration excluding the cost of centering and shuttering:>With granitic or basaltic stone plums in :>Walls including attached buttresses pilasters string courses independent piers columns and pillasters coping and the like. upto floor five level.

Centering and shuttering including struttings propping etc. and removal of formwork for :>vertical surfaces such as retaining walls return walls walls (any thk) including attached pilasters buttresses plinth and string courses fillets etc

Providing and fixing weepholes with rigid PVC make laid in position with a required slope and level while layingpipes of approved the concrete of retaining wallwing wall and earth retainig structure complete as directed by the Engineer in charge>B) 75 mm dia

Excavator (3D) with Driver & Fuel>Road GSR - Item No. 2102 X 6