Light hazard occupancies shall be defined as occupancies or
portions of other occupancies where the quantity and/or combustibility of contents is low and fires with relatively low rates of heat release are expected
. Projects provide a dedicated space to collaborate on code research.
Is a church light hazard occupancy?
Light hazard occupancies include apartments, auditoriums, churches, hospitals, hotels, libraries, museums, nursing homes, office buildings, restaurants, schools, and theaters.
What is an occupancy hazard?
According to the Uniform Building Code, a hazard occupancy is
a measure of the risk and consequences expected in the event of a fire
. They are classified as a light hazard, ordinary hazard, or extra hazard.
What is extra hazard occupancy?
Extra Hazard (Group 2) — This classification applies to
spaces in which moderate to substantial amounts of flammable or combustible liquids are routinely present or where there are large amounts of combustibles
, such that the extensive use of heat shields are needed to keep them from igniting.
What are some examples of ordinary hazard occupancies?
Some businesses and environments that constitute an ordinary hazard are
malls, light manufacturing or research operations, parking garages, workshops, automobile showrooms, electronics plants
, laundries, restaurant service areas, drink manufacturing, or maintenance/service areas.
What occupancy type is a single family home?
Residential Group R
is the occupancy group used for buildings that include sleeping rooms and are not insititutional and are not generally regulated by the Interntaionl Residential Code. The IRC typically regulates single family homes and duplexes, any structure with more than two units is in the IBC.
What are hazard classifications?
Hazard Classification is a process required under paragraph (d) of 29 CFR 1910.1200 (the OSHA Haz-com standard) Specifically: … Classification
lists the specific Classes of hazards
, for example carcinogenicity or flammable solid. Within the Hazard Classes the degree of hazard is indicated with a Category.
What is a moderate hazard?
A
product labeled “Caution”
means a mild to moderate hazard. It is not fatal if swallowed, but the product may irritate the skin or make a person sick. “Warning” means a moderate hazard. A product labeled “Danger” is more toxic. Danger means the product is extremely flammable, corrosive or highly toxic.
Is an electrical room ordinary hazard?
| Guest Rooms Light | Electrical Rooms Ordinary Group 1 | Storage Rooms Ordinary Group 2 | Ballroom Ordinary Group 2 |
|---|
What is a Class B hazard?
In fire classes, a Class B fire is a
fire in flammable liquids or flammable gases
, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, or alcohols. For example, propane, natural gas, gasoline and kerosene fires are types of Class B fires.
Is residential light hazard?
NFPA 13 annex material states that commercial kitchens should be considered OH1, while
“Residential” areas are Light Hazard
. …
What is low hazard occupancy?
Occupancies in this class are considered LOW hazard occupancies, where
quantity and combustibility of contents are moderate
. Any fire would tend to develop at a moderate rate and have moderate rates of heat release. Examples: Armories. Car parking garages.
What are fire hazards?
Any actions, materials, or conditions that might increase the size or severity of a fire or that might cause a fire to start
are called fire hazards. … Chemicals, spray painting, welding, combustible dusts, and flammable liquids are examples of special fire hazards.
What are Class A plastics?
The storage of Group A Plastics, such as ABS, acetal, acrylic, butyl rubber, EPDM (ethylene propylene rubber), FRP (fiberglass reinforced polyester), expanded natural rubber, nitrile rubber, PET, polybutadiene, polycarbonate, polyester based elastomers, polyethylene, polypropylene, polystyrene (expanded or unexpanded), …
What is the most severe NFPA hazard rating?
Number System: NFPA Rating and OSHA’s Classification System 0-4 0-least hazardous 4-most hazardous
1-4 1
-most severe hazard 4-least severe hazard • The Hazard category numbers are NOT required to be on labels but are required on SDSs in Section 2.
What is deluge sprinkler system?
A deluge fire sprinkler system is
similar to a pre-action system except the sprinkler heads are open
and the pipe is not pressurized with air. … Deluge systems are used in places that are considered high hazard areas such as power plants, aircraft hangars and chemical storage or processing facilities.
