City Commissioners will be asked to approve a $288,350 contract to Geranios Enterprises for a drainage project during their July 2 meeting.

The project will address stormwater ponding near the intersection of 5th Street South and 12th Avenue South and eliminate off-street stormwater that flows through the Stadium Sports Bar and Bison Ford properties during minor storm events, which contributes to pooling at the intersection of 5th Street South and 10th Avenue South, according to  public works.

The project will extend the 5th Street South storm drain to the south and add inlets at the intersection of 12th Avenue South and 5th Street South.

City approves contract for stormwater master plan

The city had retained Great West Engineering to perform at stormwater basin study for the area, assessing the existing storm drainage inlets and piping in sections of the 9th Avenue South basin where flooding had been problematic, according to public works.

Commissioners approved the $55,415 contract for the study in May 2020.

The 9th Avenue South basin in the area where stormwater is gathered by the major storm pipe beneath 9th Avenue South, eventually draining into the Missouri River, according to staff.

The study identified system deficiencies and included recommendations to prevent surface flooding during minor storms.

The work will be done on 5th Street South between 10th Avenue South and 12th Avenue South.

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The contractor will be required to provide vehicle and pedestrian access to impacted businesses, resident access to homes and temporary traffic control, according to public works.

Periodic public impacts will occur in August and October, according to staff.

There is a subsequent project in the preliminary design stages to improve the storm drainage at the intersection of 10th Avenue South and 5th Street South that is scheduled to begin in the summer of 2025 that will focus on mitigating surface flooding during minor storms by adding inlet interception capacity and upsizing storm drain access across 10th Avenue South to the 9th Street South interceptor, according to public works.

City engineering and utilities staff completed the design phase engineering and city staff will provide project inspection.

The city received three bids for the project with Geranios being the lowest responsible bidder.

This project was selected under the public works capital improvements program and budgeted using available funds from the storm enterprise fund, according to city staff.