Emergency Incident Statistics 2010-2011 - New Zealand Fire Service
Emergency Incident Statistics 2010-2011 - New Zealand Fire Service
Emergency Incident Statistics 2010-2011 - New Zealand Fire Service
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TABLE 16: PERFORMANCE OF ALL DETECTORS AT STRUCTURE FIRES<br />
<strong>Emergency</strong> <strong>Incident</strong> <strong>Statistics</strong><br />
<strong>2010</strong>/11 2009/10 2008/09 2007/08 2006/07<br />
Detector in Room or Space of <strong>Fire</strong> Origin<br />
Alerted occupants - detector in room of origin 346 257 325 312 275<br />
Did not operate - detector in room of origin 131 79 115 73 99<br />
<strong>Fire</strong> too small to activate detector - detector in room of origin 132 71 78 42 48<br />
Alerted neighbour/passerby - detector in room of origin 50 42 54 58 63<br />
Detector in room of origin - not classified above 17 13 16 12 10<br />
Detector in Room or Space of <strong>Fire</strong> Origin Total 676 462 588 497 495<br />
Detector Not in Room or Space of <strong>Fire</strong> Origin<br />
Alerted occupants - detector not in room of origin 191 124 154 147 149<br />
Did not operate - detector not in room of origin 300 200 236 127 118<br />
Alerted neighbour/passerby - detector not in room of origin 30 33 47 30 34<br />
Detector not in room of origin - not classified above 44 35 45 32 39<br />
Detector Not in Room or Space of <strong>Fire</strong> Origin Total 565 392 482 336 340<br />
Detector Operated<br />
Detector operated, but was not a factor in discovery of fire 171 121 173 124 122<br />
Detector operated, but occupants failed to respond 30 12 22 25 25<br />
System operated but was INEFFECTIVE 14 3 15 8 16<br />
System operated AND was EFFECTIVE 825 536 779 808 741<br />
Detector operated - not classified above 23 15 23 26 32<br />
Detector Operated Total 1,063 687 1,012 991 936<br />
Unable to classify 81 58 84 56 41<br />
Not Recorded 3,502 3,145 4,198 4,357 4,457<br />
GRAND TOTAL 5,887 4,744 6,364 6,237 6,269<br />
TABLE 17: WHY DETECTORS FAILED AT ALL STRUCTURE FIRES<br />
<strong>2010</strong>/11 2009/10 2008/09 2007/08 2006/07<br />
Reason for Detector Failure (if it failed)<br />
Power supply failed 32 25 27 25 25<br />
Improper installation/Placement of detector 13 20 24 15 15<br />
Defective detector 25 9 24 10 20<br />
Inadequate maintenance 51 42 65 42 35<br />
Water in system - - - 1 1<br />
System shut down 10 4 7 8 8<br />
Not enough agent discharged to control fire 5 1 4 5 7<br />
Extinguishing agent discharged but did not reach fire 2 - 2 5 1<br />
Extinguishing system piping damaged or blocked - 1 - 1 1<br />
No discharge heads/detectors in room or space of fire origin 33 14 26 12 19<br />
Defective discharge head or outlet - 2 1 1 2<br />
Unknown 75 57 67 51 40<br />
Unable to classify 101 57 91 59 61<br />
Reason for Detector Failure (if it failed) 347 232 338 235 235<br />
Detector not in room of origin 235 154 172 77 81<br />
Not Recorded 5,305 4,358 5,854 5,925 5,953<br />
GRAND TOTAL 5,887 4,744 6,364 6,237 6,269<br />
<strong>New</strong> <strong>Zealand</strong> <strong>Fire</strong> <strong>Service</strong> ....Table 16+17