Frederick Street Sewer Interceptor

Lochmueller Group (Lochgroup) designed 6,300 linear feet of large-diameter interceptor sewer to carry combined sewer overflows to a treatment plant. The pipes ranged from 36 to 54 inches and were designed to eliminate the need for an existing small pump station.

In addition, Lochgroup reviewed and revised Huntington’s existing model to verify the hydraulic capacities of the proposed interceptors and ensure compliance with the required controls of the approved Long-Term Control Plan (LCTP). Upstream and downstream effects were reviewed to determine the impacts to other proposed LTCP improvements.

Lochgroup also worked with the city to incorporate the design of 3,100 linear feet of a new trail that was part of their trail master plan that ran adjacent to the interceptor. The trail used permeable pavement to facilitate stormwater drainage.

The contractor praised Lochgroup’s design documents and professionalism throughout the bidding process. “The project documents for this job were very well prepared,” wrote the contractor’s project manager. “The specifications and addenda were very well thought out and very descriptive about what will be expected.”

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