Wood River Deep Cut Off Wall Seepage Improvements
The project consists of improvements to the Wood River Levee system. The improvements are along the Lower Wood River Levee system between the intersection of L-143 / Enviroway and IL-143 / Wood River Creek, in East Alton, Illinois. GFA International has performed quality control (QC) testing of the Deep Cut Off Wall’s Self-Hardening Slurry (SHS). The deep Cut Off Wall with permeability of not less than 1 x 10-6 extending to depths of upwards of 140 feet and 2,000 linear feet in length into the existing embankment with total thickness of 24 inches.
Madison County, Illinois
Field & Code Compliance