Specifications include, but are not limited to: This work shall include the installation of 816 feet of 25.80”OD HDPE force main installed by horizontal directional drilling (HDD) along the south side of Harbor View Road from the intersection of Waites Drive to North Shore Drive, an 86 feet 20” ID C905 PVC open-cut crossing of Harbor View Road, the installation of 3,274 feet of 25.80” OD HDPE force main installed by horizontal directional drilling (HDD) to the North Shore Drive intersection beneath James Island Creek and adjacent tidal marshes from a new force main Junction location within Harbor View Circle, the installation of 1,110 feet of 36” OD HDPE force main installed by horizontal directional drilling (HDD from the Harbor View Circle junction location beneath tidal marshes to an existing 24” ID DIP force main junction assembly located at the entrance of the CPW Plum Island Wastewater Treatment facility. The Project shall include modification of two existing force main junction assemblies, a new junction assembly at Harbor View Circle, air release valve structures, and dual flow metering installations on an existing CWS Plum Island Headworks influent 24” DIP Riser.