Title/Name/Summary
Consulting Engineering Services for Sanitary Sewer Evaluation Program 2025-2027
History
In 2015, RJN Group Inc. of Downers Grove, Illinois (RJN) was selected by a competitive proposal process to perform the Village’s Comprehensive Sanitary Sewer Evaluation Program. A consultant was requested to guide the Village through the various technical processes to conform to new mandates issued by the Metropolitan Water Reclamation District (MWRD) Watershed Management Ordinance (WMO) as it relates to the reduction of inflow and infiltration (I&I) into the Village’s sanitary sewer system.
RJN Group was tasked to “provide assistance in developing and implementing a village-wide comprehensive sanitary sewer system evaluation and repair program.” RJN Group has assisted in the establishment of some initial programs, parameters, and bid documents for short- and long-term operational activities.
Some highlights of the work RJN has completed since 2016 include:
- Identifying the priority basin to focus our MWRD short term improvement efforts, which is part of the tributary area to the 151st Street Lift Station, generally bounded between 143rd Street, 159th Street, LaGrange Road and Harlem Avenue.
- Televising the priority basin.
- smoke testing, manhole inspections, and cleaning and televising, flow monitoring, and dye testing the sanitary sewer system in the MWRD priority basin
- Identifying additional deficiencies and developing a plan for additional testing, inspections, cleaning and televising, and point repairs outside and inside the MWRD high priority basin
Staff anticipates that the consulting work to develop these critical programs will continue through FY2029. Staff requested a three (3) year proposal with optional two (2) years for continuing the current programs and meeting the upcoming MWRD requirements. The MWRD WMO requires additional programs, monitoring, and continued reporting of the I&I within the Village, but 2024 was the last contr...
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