Title
2017 Sanitary Flow Monitoring - Proposal
History
In 2015, RJN Group Inc. of Wheaton, Illinois (RJN) was selected by a competitive proposal process to complete the Village’s Comprehensive Sanitary Sewer Evaluation Project. A vendor was required to guide the Village through the various technical processes required to conform to new mandates issued by the Metropolitan Water Reclamation District (MWRD) as it relates to the reduction of inflow/infiltration (I/I) into the Village’s sanitary sewer system.
The vendor was tasked to “provide assistance in developing and implementing a village-wide comprehensive sanitary sewer system evaluation & repair program.” Section F, in the Village’s scope of work, requires the consultant to assist in the establishment of programs, parameters and bid documents for short term and long term operational activities. Including but not limited to; Manhole Inspections; Smoke Testing; Flow Monitoring and Televising Sanitary Sewers.
Following a number of meetings and discussions between RJN and Village staff, it was determined that a village-wide flow monitoring program would be beneficial to help guide the Village’s Sanitary Sewer Program. This proposal is for flow monitoring services directly related to the Village’s Sanitary Sewer Inflow and Infiltration Capital Improvement Program for Year 2.
Flow monitoring, in short, determines if there are differences in sanitary sewer flows during dry and wet weather conditions. The primary purpose of the flow monitoring project is to provide the Village with a comprehensive and comparative assessment of the sanitary sewers.
In 2016, following a detailed review of the Village’s sanitary sewer GIS atlas, RJN recommended 13 locations for flow monitoring, along with an evaluation of flow through four lift stations. The information collected provided valuable information in determining how to move forward with the program. RJN will use this data to recommend future long-term operations an...
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