Seepage

Water escaping through or emerging from the ground along rather extensive line or surface, as contrasted with a spring, the water of which emerges from a single spot.

Seeper

Applied to infiltration during the first stages to quantify the slow ingress of water into a sewer through a defect or faulty joint.

Segmental Concrete Tunnel Liner

Used the same way as Liner Plate except that they are tunnel liners made of concrete.

Segmental Lining

The use of prefabricated segments in Man-Entry work to form a new lining within a defective pipe. The segments are usually sealed at the joints and the annulus is grouted. See Lining with Pipe Segments.

Segmental Sliplining

See Sliplining. See Lining with Discrete Pipes.