Sierrita Mine Access Road Grading and Drainage Plan

Southwest, AZ

Bowman provided engineering services for a construction drawing package for access road grading and drainage improvements. The haul roads were severely damage during storm events so collection, conveyance channels, sediment traps and culverts were designed to manage a 25-year, 24-hour storm event. The design also included a paving plan for specific haul road sections to accommodate lighter vehicle traffic that used the access to an ancillary office complex.