I have a project that requires jacking & boring 400 feet of 48-inch pipe. The pipe will be used as a storm drain, and no separate casing pipe is to be installed. The pipe is to have 10 to 12 feet of cover and will operate under pressure flow. There is a concern with the use of steel pipe...
I am evaluating an existing short storm sewer system (8 structures) on a steep overland grade that has a re-occurring problem of the manhole lids being removed during storm events. To eliminate deep excavation for the pipe, there were numerous manhole step-downs constructed with 4' - 6' in...
