Water Supplies - 2.2.0 Tanks

Vocabulary flashcards based on the lecture notes covering types, safety, standards, and design of water storage tanks for fire protection.

Tanks

Storage units used to hold water when the public water supply cannot provide the quantity needed for fire protection.

Elevated tank

A common tank type that uses a gravity feed and is supported on steel towers.

Surface tank

A common tank type that operates in conjunction with a fire pump.

Confined spaces

Areas, including tanks, that require proper training, equipment, and supervision for entry.

NFPA $22$

Standard for Water Tanks for Private Fire Protection, providing requirements for tank construction.

Embankment-supported rubberized fabric tanks

Flexible tanks that utilize the contour of an embankment to provide a predesigned shape.

Cylindrical/Spherical tanks

The most efficient shapes for obtaining strength from a given amount of material.

Rectilinear tank

A tank shape, such as an NFPA $13D$ residential plastic tank, designed to minimize floor space rather than optimize construction.

AHJ

The Authority Having Jurisdiction, which approves the type, capacity, location, and foundations of a tank.

Gravity feed

The mechanism that allows elevated tanks to provide water automatically whether electricity is on or off.

Wind and seismic loads

Forces that engineers must account for when designing the steel towers used to support elevated tanks.