Glossary of Water and Wastewater Terms

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

5 random terms from our glossary

grit tank

A structure located at the inlet to a treatment plant for the accumulation and removal of grit.

coagulant (ko-AGG-yoo-lent)

A chemical that causes very fine particles to clump (floc) together into larger particles. This makes it easier to separate the solids from the liquids by settling, skimming, draining, or filtering.

bedding compaction

Tamping, rolling, or otherwise mechanically compressing material used as bedding for a pipe or other underground structure to a density that will support expected loads. Can be expressed as a percentage of the maximum load capacity of the bedding material or in pounds per square foot (kilograms per square meter).

saddle

A fitting mounted on a pipe for attaching a new connection. This device makes a tight seal against the main pipe by use of a clamp, adhesive, or gasket and prevents the service pipe from protruding into the main.

OSHA (Occupational Safety and Health Administration) (O-shuh)

With the Occupational Safety and Health Act of 1970, Congress created the Occupational Safety and Health Administration (OSHA) to assure safe and healthful working conditions for workers by setting and enforcing standards and by providing training, outreach, education, and assistance. Also see OSH Act of 1970.