Description: Running maintenance of existing Iron Removal Plant attached to DTW Schemes within the jurisdiction of Manu R D Block under DWS Sub Division Manu Gr I Name of Work Water supplyarrangement of Rural Water Supply schemes under DWS Division Ambassa during the Year 2023 24 SH Running maintenance of existing Iron Removal Plant attached to DTW Schemes within the jurisdiction of Manu R D Block under DWS Sub Division Manu Gr I
Details: labour charge for opening the oxidation chamber & removing the old media etc complete as per direction of Engineer in charge. 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. 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. Providing and placing of anthracite coal ( 3 mm to 6 mm) of SP gr. 1.4 in IRP as per specification & direction of the Engineer-in-charge. Lifting of filter media from package type IRP filter chamber as per specification and the direction of the Engineer-in-charge. Providing and fitting fixing of poly propylene double hexagonal nut straine
Sector: Water supply and Sewerage