Environmentally-sensitive underwater blasting project in Columbia River meets stringent safety limits with HBM’s Genesis equipment
Environmentally-sensitive underwater blasting project in Columbia River meets stringent safety limits with HBM’s Genesis equipment
6 PagesColumbia River: underwater blasting project Environmentally-sensitive underwater blasting project in Columbia River meets stringent safety limits with HBM’s Genesis equipment Two US contractors – Contract Drilling & Blasting along with Aimone-Martin Associates – have used HBM’s Genesis GEN7t high-speed data acquisition equipment to successfully monitor the underwater blasting of a one-mile long, environmentally-sensitive section of the Columbia River near St Helens in Oregon. Managed by the US Army Corps of Engineers, the US$52 million project to increase the navigable depth of the river was unique because it was the ?rst time data acquisition equipment and sensors had been used in such extremely demanding conditions. The current in the Columbia River can reach eight to ten knots (11.5 mil
