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Professional Geotechnical Engineering Services


Location
Illinois
Publication Date
05/10/2019 02:21 PM EDT
Closing Date
05/23/2019 01:00 PM EDT
Issuing Organization
Village of Oak Park
Solicitation Number
Description

Specifications include, but are not limited to: The services of a qualified Consultant for the purpose of collecting soil borings and performing infiltration testing for the 2020 Green Alley Improvements project in Oak Park. The Village received a green infrastructure grant from the Metropolitan Water Reclamation District of Greater Chicago (MWRD) which includes the installation of 6 pervious alleys throughout the village (3 alternate locations should also be tested for a total of 9 locations). The Village needs to evaluate the suitability of the native soils for permeable pavements at locations considered for inclusion in the green alley project. The Village has a narrow vein of sandy soils in town termed the “Oak Park Spit” which are remnants of former sand dunes from glacial Lake Chicago (see attached location map). The remainder of Oak Park has clay based soils which are not ideal for permeable pavements. It is the intent of the Village to construct these permeable alleys in areas with soils capable of naturally infiltrating the storm water and seeks a qualified firm to provide geotechnical investigation to determine the suitability of soils for green infrastructure.

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