Name of Work:Septic tank cleaning and maintenance at FF INRPO, NRB, BARC Tarapur
Sl. No.
Item Description
1
Removal of sludge from septic tanks having different capacity and de-chocking of its adjacent sewersthrough man holeand by using sewer suction and jettingmachine only. Complete all as per specification and direction of Engineer In-Charge.
2
Earth work excavation by mechanical means (Hydraulic excavator) / manual means in all types ofsoil other than soft and hard rock, dressing the sides of foundation, ramming of bottom etc. including shoring and dewatering (if necessary) and refilling with selected excavated earth in layers of not more than 500 mm thick, each layer well rammed and consolidated including disposing the surplus earth within a distance of 200 m all as per specifications including clearing Jungle, uprooting of vegetation, grass, etc. complete and as directed by the Engineer-in-charge. From 0.00 to 1.50 m depth from average ground level
3
Providing and laying in position cement concrete of 1:1:2 at all levels (1 cement, 1 crushed sand,3 graded stone aggregate of nominal size 20 mm) including consolidation, finishing, curing etc.complete all as per specifications but excluding the cost of Formwork shuttering, centering andsteel reinforcement complete as per specifications and drawings at all levels
4
Providing 20 mm thick Internal plastering in C.M without cement punning 1:4 (using crushedsand) finished smooth, including sieving of sand to required fineness, preparation of the surface,scaffolding, curing all as per specifications, drawings and as directed at site complete.
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