Smoke Detector Survey – Public

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Home Fire Sprinklers

Home Fire Sprinklers

In 2013 the average cost for a home fire sprinkler system was $1.35 per square foot.  The price has dropped about six cents per year since 2008.  So the cost is now likely 1.20 per square foot.  The average new home in Gardner is about 1700 square feet. So a sprinkler system will cost around $2200.  How does this compare to other construction costs.  Most flooring costs an avergae of 2.80 per square foot so a sprinkler system that will save your life costs less than half of carpet.

Home Fire Sprinklers

My Recomendations for Smoke Detectors

My Recommendation for Residential Smoke Alarms

Based off a massive amount of research, I believe that every home should only be equipped with a Photo Electric Smoke detector.

The Main Reasons are as follows:

  1. 51% of Civilian Fire Fatalities Occur between 10PM and 6AM, this indicates that they most often occur while people are sleeping which suggests the likelyhood of a slow smoldering fire.  Additionally, when located by the fire department 70% percent of those fatalities were either in the bedroom or trying to escape.  Roughly 86% of those who died were from smoke inhalation and assosciated burns.
  2. Photoelectic detectors detect a smoldering fire on average 30 minutes sooner than an Ionization detector.  The failure rate of a Photoelectric detector is about 4% while it is nearly 50% for ionization.
  3. Ionization detectors are a major source of nuissance alarms.  This leads to occupants disabling the device.  In 37% of fatality fires the detector was a disabled ionization detector.  Photoelectric detectors have a very low propensity for nuissance alarms.
  4. Due to the nuissance alarms I do not recomend dual detectors.  YOU MUST have a working detector.  The manufactures will tell you the ionization is better at detecting flaming fires, which is true.  However there is a 45 second average difference and most flaming fires occur while being attended to by people ie: cooking fires.
smoke alarms

Smoke Detectors

smoke alarms

Current thoughts on Residential Fire Protection

Need to discuss different smoke detectors and technologies that are available.  EX. Roost, NEST, LEEO, PhotoElectric, Ionization, Heat, Dual Sensor.  Also discuss monitoring and its benefits.  Discuss Carbon Monoxide Detectors and Propane/Natural Gas Detectors.

How are detectors tested and regulated: UL, FM, NFPA, CPSC

Current trends in Codes ie: California, Alaska, Mass. specifically Boston

Video Discussion Topics:

  1. History of Smoke Detectors
  2. Where to place detectors
  3. When Fires Occur
  4. When/Why to replace smoke detectors
  5. Which Kind to have and Why
  6. When to replace batteries
  7. Importance of Interconnect
  8. Reducing False Alarms, what the beeps mean once every 30 seconds means replace battery or smoke detector etc,
  9. EDITH

Thoughts on Ionization.  According to OPFD the filure rate of ionization increases by 3% Annually.  Ionization detectors use Americium 241 which is a byproduct of spent plutonium from Nuclear reACTORS.  Americium 241 has a half life of 480 years.  Used because it releases an Alpha particle at a predictable rate.  May be a cause for higher cancer rates in FFs due to release of radioactive material when devices are compromised by fire.  They have a high incidence of nuisance alarms.  They detect fine particles that alter the electrical flow.  For example cooking aerosols, steam etc.  1963 Ionization detectors discovered first one was made in Lakewood, CO by the Statitrol Company Model 700.  Received verbal Approval from UL in 1973.  The statitrol company was sold multiple times as follows.  Statitrol–Emerson–Amway–BRK–1st Alert.

In the 1980s LA County did research and stated the following: An individual was likely to die in a home fire if any of the following occured: 11% smoke density, Temp of 150 degrees F, 1000 PPM CO.  An ionization is set to go off at 7% smoke obscurity according to UL standard.

 

 

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Lots of Links

http://www.propertyevaluation.net/Residential%20Smoke%20Alarms%20-%20Ionization%20vs%20Photo%20-%20Various%20Reports%20and%20Presentations.PDF

http://www.thebigredguide.com/news/u-s-fire-administration-kicks-off-public-fire-safety-campaign-on-home-smoke-alarms-and-residential-fire-sprinklers.html

https://www.google.com/search?q=Photoelectric+smoke+detector&ie=utf-8&oe=utf-8

http://www.nist.gov/el/fire_protection/buildings/smoke-alarm-research.cfm

http://www.nfpa.org/research/reports-and-statistics/fire-safety-equipment/smoke-alarms-in-us-home-fires

http://thewfsf.org/stcb.html

https://www.google.com/search?q=Don+Russel+Texas+A%26M&ie=utf-8&oe=utf-8

https://www.google.com/search?q=John+Gerard+Smoke+Detectors&ie=utf-8&oe=utf-8

https://www.google.com/search?q=Nathan+Mercer+Davenport%2C+IA&ie=utf-8&oe=utf-8

http://caselaw.findlaw.com/ia-supreme-court/1423917.html

http://www.morelaw.com/verdicts/case.asp?n=89732&s=IA&d=2428

http://firewize.com/page/training/heat-detectors-principle-operation

http://www.interfire.org/features/fatalities.asp

http://www.nfpa.org/research/reports-and-statistics/fires-by-property-type/residential/home-fires

http://www.nfpa.org/research/reports-and-statistics/fires-by-property-type/residential

http://www.nfpa.org/research/reports-and-statistics/fires-in-the-us/overall-fire-problem/fire-loss-in-the-united-states

http://www.firecrusade.com/home-1.html

https://www.google.com/search?q=richard+patton+fire+protection+engineer&ie=utf-8&oe=utf-8

http://nebula.wsimg.com/627d5cedff04e7dfe7646767418e2774?AccessKeyId=270F0B80FA47DD480C8E&disposition=0&alloworigin=1

https://www.google.com/search?q=the+chronology+of+a+fraud&ie=utf-8&oe=utf-8#q=the+chronology+of+a+fraud+Patton+Smoke+Detectors

http://www.thewfsf.org/waib.html

http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/showpage.html?&name=UPLV.GuideInfo&ccnshorttitle=Detectors,+Automatic+Fire&objid=1074303126&cfgid=1073741824&version=versionless&parent_id=1073994187&sequence=1

https://www.cpsc.gov//PageFiles/119009/559.pdf

https://www.google.com/search?q=Smoke+Detector+Indiana+Dunes+Study&ie=utf-8&oe=utf-8

http://fire.nist.gov/bfrlpubs/fire75/art002.html

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