Executive Engineer (W/S), invites online Item rate bids on behalf of NDMC from approved and eligible B&R Contractor (holding valid registration certificate of approved eligible category and class) of NDMC and those of appropriate category and class of CPWD, MES, BSNL, Railways, DDA, MCD, DJB and State PWD (B&R) registered under Sales Tax/Vat on works Contract Act for the work “Selection of Contractor for Implementation of Continuous (24 x 7) Pressurised Water Supply in NDMC and Operation & Maintenance of the System for the Period of Five Years, with a time of completion of 24 months of construction works and 60 months of Operation and maintenance thereafter at the cost of bids.