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Systems and detection goff
 

Systems and detection goff

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Systems and detection goff Systems and detection goff Presentation Transcript

  • Instructor Scott A. Goff Deputy State Fire Marshal Captain/EMT-I Stanfield Fire District FIRE PROTECTION SYSTEMS
  • Fire alarm systems alert occupants and other parties of an emergency condition. 20–2
  • Alarm systems consist of several components you should know about. Courtesy of Ron Moore, McKinney (TX) Fire Department (Cont.) 20–3
  • Courtesy of Ron Moore, McKinney (TX) Fire Department There are several alarm system components firefighters should know. 20–4 (Cont.)
  • There are several alarm system components firefighters should know. (Cont.) 20–5
  • There are several alarm system components firefighters should know. (Cont.) 20–6
  • There are several alarm system components firefighters should know. 20–7
  • REVIEW QUESTION What are the basic components of an alarm system? 20–8
  • There are several types of alarm signaling systems in use. (Cont.) 20–9
  • There are several types of alarm signaling systems in use. 20–10
  • REVIEW QUESTION How do protected premises and station alarm systems differ? 20–11
  • Alarm-initiating devices send a signal to the alarm system when fire is present. 20–12
  • Pull stations allow occupants to initiate the fire signaling system. 20–13
  • Heat detectors activate when temperatures in monitored area reach a predetermined point. 20–14
  • There are several types of fixedtemperature detectors. (Cont.) 20–15
  • There are several types of fixedtemperature detectors. 20–16
  • Rate-of-rise detectors signal when temperatures rise quickly. 20–17
  • There are several types of rate-of-rise detectors. 20–18
  • Smoke detectors and alarms both detect the presence of products of combustion. 20–19
  • Photoelectric smoke detectors can respond more quickly than ionization- type. 20–20
  • Ionization smoke detectors react to ionized molecules in the chamber. 20–21
  • There are several types of power sources used for these devices. 20–22
  • The basic types of flame detectors detect light in different spectrums. 20–23
  • Flame detectors are among the fastest to respond, even in non-fire conditions. 20–24
  • Fire-gas detectors operate by detecting gases that may be released. 20–25
  • Air Sampling Detectors VESDA Air Sampling Detection for Preaction Kam Wah Chung Museum, John Day Amazon Data Centers, Boardman/Umatilla 20–26
  • Combination detectors combine various systems into a single device. 20–27
  • REVIEW QUESTION What are the major categories of alarm-initiating devices? 20–28
  • Automatic sprinkler systems are an integrated system of pipes, sprinklers, and control valves. 20–29
  • Courtesy of the U.S. Navy There are two general types of automatic sprinkler systems. 20–30
  • Understanding sprinkler systems also requires other information. 20–31
  • Sprinkler systems have several effects on life safety during a fire. 20–32
  • Sprinkler systems are made up of several components. 20–33
  • Sprinklers are fixed spray nozzles that operate to discharge water. 20–34
  • All of the common release mechanisms for sprinklers respond to heat. 20–35
  • Sprinkler deflectors create the discharge pattern of water downward. 20–36
  • Courtesy of Ron Moore, McKinney (TX) Fire Department Sprinkler storage cabinets are usually installed near a riser or valve. 20–37
  • Most system main water control valves are indicating valves. 20–38
  • There are other operating valves also used on sprinkler systems. 20–39
  • Water flow alarms initiate when water begins to flow in the system. 20–40
  • Courtesy of Ron Moore, McKinney (TX) Fire Department The water supply for a sprinkler system must address several considerations. (Cont.) 20–41
  • The water supply for a sprinkler system must address several considerations. 20–42
  • REVIEW QUESTION What are the fundamental aspects of a sprinkler system? 20–43
  • Each type of sprinkler system requires understanding of several concepts. (Cont.) 20–44
  • Each type of sprinkler system requires understanding of several concepts. (Cont.) 20–45
  • Each type of sprinkler system requires understanding of several concepts. (Cont.) 20–46
  • Each type of sprinkler system requires understanding of several concepts. Viking 400 Double Interlock Preaction St. Anthony Hospital MRI/IT (Cont.) 20–47
  • Each type of sprinkler system requires understanding of several concepts. 20–48
  • Residential sprinkler systems require understanding of several concepts. 20–49
  • REVIEW QUESTION How do the application methods for sprinkler systems differ? 20–50
  • Standpipe and hose systems are designed for a specific purpose. 20–51
  • Standpipe systems are made up of several components. 20–52
  • Standpipe systems are regulated by two NFPA ® standards. 20–53
  • Standpipe systems are classified in three different groups. 20–54
  • There are several types of standpipe systems you should know about. (Cont.) 20–55
  • There are several types of standpipe systems you should know about. 20–56
  • Fire Department Connections Know which connection you are making! 20–57
  • REVIEW QUESTION How are standpipe systems classified? 20–58
  • Smoke management systems remove and/or control the spread of smoke. 20–59
  • Smoke control strategies use various methods to remove smoke. 20–60
  • Each type of smoke control systems may be dedicated or non-dedicated. 20–61
  • The firefighters’ smoke control station provides a location for monitoring. 20–62
  • REVIEW QUESTION What types of smoke control systems can be used at an incident? 20–63
  • Summary • Many buildings are protected, partially or fully, by fire protection systems that range from simple to complex. • These systems can perform a variety of functions and it is important that these are identified during pre-incident surveys to ensure firefighters understand how to operate in these structures. 20–64