02-24-2021 Council Packet - Laserfiche WebLink

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STAFF REPORT TO: Mayor Keis and Members of the City Council FROM: Mark D. Kasma, P.E., City Engineer DATE: February 24, 2021 RE: Approval of Plans and Specifications for 2021 Street Improvements ACTION TO BE CONSIDERED: Motion to approve plans and specifications and ordering advertisement for bids for street improvements on Greenbrier Circle and Old County Road C (from County Road C to Ruth Street). BACKGROUND: On January 13, 2021, the City Council directed the City Engineer to prepare plans and specifications for street improvements on Greenbrier Circle and Old County Road C (from County Road C to Ruth Street). The proposed improvements consist of reconstructing both roadways and the addition of concrete curb and gutter. Other improvements include excavating water main appurtenances (gate valves, tees and hydrants) to replace bolts, sanitary sewer manhole adjustments and infiltration and inflow repairs, storm sewer improvements and possible addition of rain gardens. Also, as a part of the reconstruction process, the pavement width will be reduced from 29 feet wide to 26 feet wide measured face of curb to face of curb on Greenbrier Street. Old County Road C varies from 26’-28’ wide and is proposed to be reconstructed to 26 feet wide measured face of curb to face of curb. An Improvement Hearing was held on January 13, 2021. The proposed project scope, costs, and funding sources were discussed at the meeting. Property owners had an opportunity to comment on the project and ask questions. Resident Surveys were mailed to the affected residents during the design phase. The City received a good number of responses. Key questions included confirmation of buried irrigation systems and invisible fences, desire for a rain garden, sum pump discharge location and any known drainage issues. One (1) resident at 2365 Greenbrier Circle requested a rain garden. We are confirming final design details and will know soon if a rain garden will function well in this location. A rain garden is also proposed within the City and County right-of-way (ROW) on Old County Road C at the intersection of County Road C. Discussions are underway with County ROW staff to confirm that this rain garden can be permitted. The City would be responsible for maintenance on this rain garden. The estimated overall project cost for Greenbrier Circle is $504,332. The estimated overall project cost for Old County Road C is $623,484.