Jack bore installation

They place a jack and bore machine in the sending pit and cut a hole underground horizontally from the sending pit to the receiving pit, without disturbing the surface above.

As the machine drills the hole, it also functions like a jack hammer to push the new sewer pipe in place. Environmental Services is moving information to Portland. Jack and Bore. Jack and Bore is a trenchless method of sewer construction.

It is suitable for installing short pipe runs in stable and dry soils without large boulders. The work involves the following steps: Dig a sending and a receiving pit to the required depth. Place a jack and bore machine into the sending pit. Use the machine to cut a hole through the ground and push the new sewer pipe in place. Remove the jack and bore machine.

Connect the new pipe to the existing public sewer. Cover open pits with steel plates—or secure the pits with fencing—at the end of each day as needed while work is in progress. Backfill pits with sand or gravel and apply temporary asphalt patches.

Conduct quality control inspections. Tunnel boring is used to hydraulically install underground pipelines within strict alignment and grade tolerances for installation of pipe. They can bore through a variety of hard rock and sand. Auger boring is a technique for forming a bore from a drive pit to a reception pit, by means of a rotating cutting head.

This method is used to carry water lines, sewer lines and irrigation lines under geographical features such as freeways, canals, and railroad tracks. Commonly called soft-dig, hydro excavation is the most cost effective method to verify and record utility depth, size and precise location. We are equipped to pothole in asphalt, concrete and soil. The process uses pressurized water, air or both to remove loose soil with a hose connected to a vacuum tank system to remove earth around a buried utility without causing damage to it.