Highway 18/38 at Big Bear Dam Arch Bridge – San Bernardino County, CA

GMU provided blast and vibration consulting for Drill Tech Drilling and Shoring, Inc. during blasting of hard rock during construction of the arch bridge foundation. Our services included: 1) consulting during the design of the foundation blast plans, 2) review of blasting plans, 3) observations during blasting operations, and 4) vibration monitoring of the existing Big Bear Lake dam during blasting.