Shoring

See PilingRigid supports, driven vertically to provide wall support in the pit..

Single Ring Brick Sewer

A brick sewer which consists of a single layer of bricks.

Siphon

A pressurized length within a gravity sewer pipeline driven by a higher liquid elevation at the upstream end. Often used to traverse below rivers, for example, and avoid the use of pumps.

Site

Any location where work has been or will be done.

Site Access

An adequately clear area of a size sufficient to accommodate personnel and equipment required at the location where work is to be performed, including roadway or surface sufficiently,, unobstructed to permit conveyance of vehicles from the nearest paved roadway to the work location.