Perry Pit Soil-Bentonite Slurry Cutoff Wall
Project Location: Wattenburg, Colorado
After being short listed, Hall-Irwin was hired to provide design-build services for a soil-bentonite cut-off wall (also known as a slurry wall). Hall-Irwin Corporation was awarded the opportunity to construct a 6,740 LF cutoff wall with approximately 202,000 SF. The wall had a maximum depth of 30 FT with a minimum 3 FT key into bedrock and a maximum key depth of 5 FT.