Water Sifu #17: Trenching, Shoring and Water Main Construction
b'Trenching Shoring and Water Main Construction (click to listen in a new window) This week focuses on everything having to do with main construction and installation\\u2026 pipe types, joints, soil types, competent person, trenching and shoring, excavations, pipe laying, back-filling, \\u2026 Continue reading \\u2192'