tunnel lining and repair

Dees-Hennessey Inc. is a locally owned and operated shotcrete contractor serving Northern California since 1985. Founded by Delbert Dees (shoring) and Pete Hennessey (excavation), with Dan Evans joining in 1986, the company developed a structural shotcrete division and is a leader in the shotcrete industry. Its engineers have more than 100 years of combined experience, and all field employees are unionized.

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engineeringexcavationseismic rehabshoringshotcrete construction