Trenching and Shoring for UK Drainage Work Explained
Trenching and shoring is the safety-critical method used when a drain repair or installation needs a narrow excavation, and the trench walls must be supported so they don't collapse. A trench is classed as a narrow excavation where the depth exceeds the width, and U.S. technical guidance often uses 5 ft (1.52 m) as the … Read more

