The key to safe excavations between 5 and 20 feet deep is that the work be supervised closely by a trained, competent person. (Trenches 20 feet or deeper require a safety system devised by a ...
Indepth Excavation helps out a local Snohomish County, Washington farmer with pole barns, excavation work, and site ...
A seminar titled “Deep Excavation and Slope Design” was delivered by prominent Pakistani Engineer Gul Hameed Khalil, a Qatar resident, to Pakistani students held at National Centre of Excellence in ...