PRIME investigated the storm and sanitary sewer problems in the vicinity of the intersection of Cleveland and Lakeview Avenue in Columbus, Ohio. PRIME conducted CCTV inspections and investigated the existing sanitary and storm sewers to determine loc

ations where sewage was entering the storm system, in addition to the structural condition of the existing sanitary and storm sewers and their appurtenances. PRIME recommended improvements to eliminate sewage infiltration to the storm system, improvements to the storm sewer system to mitigate poor drainage, and proposed improvements to relocate the storm sewer.

PRIME determined the upstream limit of the storm sewer north of Lakeview Avenue, conducted manhole inspections, dye testing, smoke testing, sewer cleaning, and television inspections as necessary to aid in the investigation. PRIME prepared a report presenting investigation findings and improvement recommendations, prepared preliminary plans and specifications for authorized improvements, maintenance-of-traffic plans, and design of ADA ramps.

During the design phase, PRIME provided design services including plans, specifications, and bid documents to complete the storm system, including the removal of 880 linear feet of existing 12-inch storm sewer and 850 linear feet of existing 15-inch storm sewer as well as the installation of 350 linear feet of 24-inch storm sewer, 390 linear feet of 21-inch storm sewer, 200 linear feet of 18-inch storm sewer, 350 linear feet of 15-inch storm sewer, and 380 linear feet of 12-inch storm sewer. PRIME provided construction administration services during construction and prepared record drawings

after construction was completed.

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