The length of a pipeline measured along the center line of the pipe and fittings.

The shortest distance between two points that free air would travel as measured horizontally, vertically, or diagonally in a straight

An area of land upon which improvements have been made.

In sanitary engineering, a settling tank through which sewage is passed for the removal of the heavier solids.

Loose material which results from the disintegration of rock.

A flexible cord having a high-explosive center core; when detonated, it then detonates other cap-sensitive explosives with which it is

Design which is based on the mechanical and physical properties of materials, building elements, and structures involved.