What are the classifications of fire fighting systems?

Class 1 systems comprises of 65mm diameter Landing Valve outlets coupled or uncoupled with 65mm diameter, 30-m long re-enforced rubber lined (RRL) hose with multipurpose hose nozzle for the use of Civil Defence department personnel or other trained fire fighting personnel.

Class 2 systems comprises of 25mm diameter bore for Hose Reel System or 40mm diameter bore for Hose Rack System, 30m long dual reinforced rubber hose coupled with 6 or 8 mm bore mutipurpose nozzle, for the use of occupants to extinguish small fires or when the fire is at its incipient stages until the arrival of Civil Defense fire fighters.

Class 3 system is a combination of both Class 1 and Class 2 systems for the use of occupants and as well as Civil Defense use. In general the class 1 system equipments are installed in lower level or compartment and class II system equipments in upper level or compartment od a cabinet. Alternatively, because of the multiple use, class III stand pipe system comprising 65mm diameter landing valve with 65mm x 40mm easily removable adapter and coupled with 40mm fiameter, 30m long fire hose and nozzle maybe permitted as a special cases.

Be Sociable, Share!

Disclaimer

All the information(s) in this website are intended as a personal reference or notes only, we shall not be responsible for any loss, damage or injury that may be suffered by anyone in connection with the use of the facilities designed based on the recommendation of this website.

NFPA References

QCDD References

Ramps

Vertical Openings

Top