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6 Cards in this Set
- Front
- Back
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Building Code Fire Goals |
1. get people out or to area of refuge 2. protect integrity of building 3. protect building 4. prevent fire |
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Exit Codes |
- stairway within 150' of any point (200' sprinkler) - width equals occupant load times 0.2 - 44" minimum - 2 hour stair walls for Type 1 and II, 1 hr for rest |
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Fire Detection |
Ionization - respond to chemical products of combustion - sensitive to visible and invisible - can detect kitchen and cigarette smoke Photoelectric - reacts to visible smoke that blocks light - detects later than Ion detectors - flashover - smoldering fire releases heat that collects at ceiling, all combusts at once Heat actuated - wax melts and metal touches |
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Standpipes |
Dry Standpipe - No water in them - Siamese fitting at street for fire dept - 4" or 6" at street, 2-1/2" at floor levels - ball drip at bottom to ensure stays dry Wet Standpipe - req in 4 stories or more, most assembly, I, B, S, M - provided for use by occupants, also have siamese fitting for fire department - every point of every floor within 30' of end of 100' hose Combination - when exceed 150' - 2-1/2" outlests and 1-1/2" hose racks |
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Sprinklers |
Wet Pipe - water comes out immediatly Dry Pipe - fill with compressed air, then water comes Preaction - requries both sprinkler head be activated and independant fire sending device be triggered Deluge - all heads open at once |
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Types of Fires |
Class A - Typical Fire - Water Class B - Liquids - CO2 or Halon Class C - Electrical - dry power, nonconductive agent Class D - Combustable metals - MEEB IT, |
