Specifications include, but are not limited to: Demolition of existing well tile and above-ground PVC pipe to the existing Central Flow Control Structure. Demolition of existing Pilot 3 ENS and artificial riverbed. Demolition of select distribution piping to existing Pilot 3. Installation of new Engineered Natural Solution (ENS) systems 2, 3, 4, & 5 along Nineteen Mile Brook. Installation of new concrete Western Flow Control Structure, hatch, and wooden building. Installation of 4-inch PVC distribution piping from the new flow control structure to each new ENS system. Installation of new Level Control Manhole No. 1 in the Central Seep. Installation of Cut-off Trench Nos. 4 and 5 in the Central Seep. Installation of 6” and 8” PVC transmission piping from Cut-off Trench Nos. 4 and 5 to existing Weir Manhole No. 2. Installation of blanket drain located in the Central Seep. Provide embankment fill in the Central Seep area to bring final grade to a 3:1 slope
