CSO-203 Relocation

The CSO-203 Relocation Project involves relocating an aging combined sewer overflow (CSO) culvert currently located beneath the E. 55th Street Marina in Cleveland that discharges to Lake Erie. The project site is located at the East 55th Street Marina in the City of Cleveland. The project will also take place on ODOT property near the entrance and exit ramps for Interstate 90 to North Marginal Road. The project’s principal features include: Removal of a portion of the existing 12’6” x 7’11” corrugated metal pipe (CMP) culvert. Construction of a concrete collar to connect the new culvert to the existing CMP culvert. Installation of 1,080 LF of a 5.5’H x 9’W precast concrete box culvert. Construction of outfall armor stone revetment, and access path to existing CSO-202 outfall. Installation of floatable boom curtain. Abandonment with grout fill of approximately 244 L.F. of the existing 12’6” x 7’11” CMP.

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