Current Status (June 2017)Final engineering plans have been completed and the IDOT permit has been approved. Project is anticipated to start the week of June 19th, 2017. The construction will start in the NB lanes of IL Rt 31 at Elm Street. Lanes will be reduced to one lane in each direction throughout the duration of work on IL Rt 31. Construction will move to the SB lanes next and then over to Elm Street once the intersection work has been completed.
The purpose of this project is to start analyzing the combined sanitary and storm sewer system and start separating the storm sewer out. The area numbers are reference to the Trotter Study that was completed in 2008 for separating the combines system. These improvements will aim to provide adequate pipe capacity per today’s design standards that will reduce and eliminate water back up while increasing the ability of the water to flow through the storm system. They City has hired Rempe-Sharpe to complete a study of the area and prepare final engineering drawings of Area 2 to separate the sewer.
During the June 2015 rain event the area bounded by Elm Street, from Jefferson to Rt. 31 on the north, experienced storm water back-up that resulted in water filling numerous streets, yards, and occasional houses. Since this area is combined with both storm and sanitary sewage the back-ups came up through floor drains and were deemed sanitary back-ups. The City would like to alleviate these back-ups and design a storm sewer system able to handle at least the 10-year event as a standalone system, which is current design practices for new development. As the storm sewer is separated from the combined system, the combined sewer will eventually become just a sanitary sewer.
Rempe-Sharpe prepared the final engineering plans for Elm Street in winter 2016 with anticipation of spring 2017 construction. This construction will affect the western portion of Elm Street between RT. 31 & Jefferson. Once the contractor has been selected for Area 2 the City can better prepare residents for any disturbance in the streets in order to install the storm sewer. Temporary lane reductions will occur during the day and residents will be given 48 hour notification prior to work taking place.
Please see the limits of the Final Engineering Plans of Area 2.
This project is funded through the City Council’s budget allocated to alleviating drainage issues throughout the city.
If you have any questions about the project please email Andrea Podraza or call 630-454-2757.