An organization, office, or individual responsible for enforcing the requirements of a code or standard, or for approving equipment, materials, an installation, or a procedure. 

A sprinkler system of pipes with water under pressure that allows water to be discharged immediately when a sprinkler head operates.

A standpipe system that is attached to a water supply capable of supplying the system demand at all times and that requires no action other than opening a hose valve to provide water at hose connections.

Electrically nonconducting, volatile, or gaseous fire extinguishant that does not leave a residue upon evaporation.

A sprinkler system employing automatic sprinklers attached to a piping system containing air under pressure, with a supplemental detection system installed in the same areas as the sprinklers. Operation of the detection system actuates tripping devices that open dry pipe valves simultaneously and without loss of air pressure in the system. Operatio [..]

The time period of plant testing and operation between initial operation and commercial operation.

One who contracts on predetermined terms to provide labor and materials and who is responsible for performance of a construction job in accordance with construction documents.

A valve employed to control (shut) a supply of water to a sprinkler system.

The ability of a material to withstand deterioration of its surface or its properties when exposed to its environment.

A water spray sprinkler system using open nozzles attached to a piping system that is connected to a water supply through a valve that is opened by means of a detection system installed in the same area as the sprinkler nozzles. When the valve opens, water flows into the piping system and discharges through all nozzles attached to the system.