Standpipe systems.
Standpipe systems.
(i) Class I standpipe system means a 2 1/2″ (6.3 cm) hose connection for use by fire departments and those trained in handling heavy fire streams.
(ii) Class II standpipe system means a 1 1/2″ (3.8 cm) hose system which provides a means for the control or extinguishment of incipient stage fires.
(iii) Class III standpipe system means a combined system of hose which is for the use of employees trained in the use of hose operations and which is capable of furnishing effective water discharge during the more advanced stages of fire (beyond the incipient stage) in the interior of workplaces. Hose outlets are available for both 1 1/2″ (3.8 cm) and 2 1/2″ (6.3 cm) hose.
(iv) Small hose system means a system of hose ranging in diameter from 5/8″ (1.6 cm up to 1 1/2″ (3.8 cm) which is for the use of employees and which provides a means for the control and extinguishment of incipient stage fires.
(40) Total flooding system means a fixed suppression system which is arranged to automatically discharge a predetermined concentration of agent into an enclosed space for the purpose of fire extinguishment or control.
(41) Training means the process of making proficient through instruction and hands-on practice in the operation of equipment, including respiratory protection equipment, that is expected to be used and in the performance of assigned duties.
(42) Vapor barrier means that material used to prevent or substantially inhibit the transfer of water, corrosive liquids and steam or other hot vapors from the outside of a garment to the wearer's body.
Source
29 CFR § 1910.155
Scoping language
Scope. This subpart contains requirements for fire brigades, and all portable and fixed fire suppression equipment, fire detection systems, and fire or employee alarm systems installed to meet the fire protection requirements of 29 CFR part 1910.