This project is to replace the existing deteriorated water line with new polyethylene pipe (Higher performance polyethylene, HPPE) (Approx. 400meter) including gate valves, fittings, and related components, at Chimuwan Tank Farm #1. Work includes necessary soil preparation for trenching and installation. All design and construction activities shall strictly comply with the specifications and requirements set forth in this RFP, which establish the minimum design and technical quality standards.