Trenchless construction methods present invaluable solutions in situations when pipelines need to cross physical obstacles, when trenches are not feasible, or when jurisdictional authorities require protection of environmentally sensitive areas. Primary options for trenchless construction include conventional auger boring and horizontal directional drilling (HDD).
Isaac Hall, Lake Superior Consulting, USA, details three factors that can assist in achieving accurate trenchless design and construction for pipelines to overcome obstacles.
Published by World Pipelines