Tysons WCS Modifications (Package 4: Force Main GMP)

This solicitation calls for a Guaranteed Maximum Price (GMP) contract to complete Package 4 of the Tysons Water Conveyance System (WCS) modifications. The work spans the non‑Tysons segment of a force main from Station 0+00 to Station 220+00 and includes associated sewer improvements, utility relocations, and site restoration. • Install new force main and gravity sanitary sewer lines, including permanent sheet piling. • Perform utility relocations, erosion & sediment control, traffic maintenance, and stream crossing works. • Complete exterior improvements, Vesper Trail lighting modifications, and site restoration to final condition.