Details: providing and fitting fixing of plate settler(6mm thickness) 1x60x3x0.2=36.00sqm supplying fittings fixing of stainer of aproved quality as per direction of the e-in-ch. providing and placing filter gravel having effective size of 3.00 mm to 25 mm & uniformity co-efficient of not more than 1.70 and or less than 1.30 obtained from barakar river, west bengal as per specification and the direction of the engineer - in-charge.1x3x1.5x0.6=2.7 providing and placing rapid gravity filter sand having effective size of 0.50 mm to 1.00 mm & uniformity co-efficient of not more than 1.70 and or less than 1.30 obtained from barakar river west bengal as per specification and the direction of the engineer - in - charge.1x3x1.5x0.65=2.925 providing structural steel work in single section fixed with or without connecting plate including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete as required. providing and fixing cidf butterfly valve with
Sector: Water supply and Sewerage