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7 | Fire-Resistive Construction (2 nd part) Exercises

Session 15 | Codes | Gary Parker. 7 | Fire-Resistive Construction (2 nd part) Exercises . 1 - What is the purpose of a fire wall? 2 – Under which conditions must elevator lobbies be provided? 3 – Which types of conditions permit vertical openings without enclosure?

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7 | Fire-Resistive Construction (2 nd part) Exercises

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  1. Session 15 | Codes | Gary Parker 7 | Fire-Resistive Construction (2nd part) Exercises

  2. 1 - What is the purpose of a fire wall? 2 – Under which conditions must elevator lobbies be provided? 3 – Which types of conditions permit vertical openings without enclosure? 4 – How is the minimum fire resistance rating of a fire wall determined?

  3. Given: Fire wall between two areas in a Group M occupancy. Non-sprinklered Door Height = 8 feet X = 100 feet. Determine: The fire-resistance rating of the fire wall. The maximum sum of width of doors A and B The maximum width of each door A or B

  4. In a Type IIB building containing Group A-2 and B occupancies, what is the minimum fire-resistance rating for a fire wall? • 1 hour • 2 hour • 3 hour • 4 hour • Reference b Table 705.4, Note a • In general, what minimum distance above the roof must a fire wall extend? • 18 inches • 30 inches • 3 feet • 4 feet • Reference b Sec.705.6

  5. 3 Fire barriers are used for the separation of all of the following building elements, except . • shaft enclosures • exit passageways • incidental use areas • fire-resistance-rated corridors • Reference d Sec. 706.3 • 4 In a nonsprinklered building, any single opening in a fire barrier is limited to a maximum area of square feet. • 20 • 100 • 120 • 200 • Reference c Sec. 706.7

  6. 5 A floor opening is permitted between a maximum of two stories without a shaft enclosure, under limited conditions, in all but which of the following occupancies? • Group A-2 • Group H-2 • Group I-2 • Group S-2 • Reference c Sec. 707.2, Exception 7 • 6 An elevator lobby shall be separated from a fire-resistance-rated corridor through the use of . • smoke barriers • fire barriers • fire partitions • smoke partitions • Reference c Sec 707.14.1

  7. 7 A fire partition is not the appropriate wall assembly in which of the following locations? • walls separating sleeping units in a hotel • walls separating tenant spaces in a covered mall • walls separating control areas in a manufacturing occupancy • walls separating dwelling units in an apartment building • Reference c Sec. 708.1 • 8 Unprotected skylights are permitted through a fire-resistance-rated roof deck, provided . • the skylights were tested as a part of the roof assembly • the roof construction has a maximum one-hour fire-resistance rating • the structural integrity of the roof construction is maintained • they are limited to 10 percent of the total roof area • Reference c Sec. 711.4

  8. 9 What hourly rating is required for the construction of smoke partitions? • 0, no rating is required • ½ hour • ¾ hour • 1 hour • Reference a Sec. 710.3 • 10 Embedded ends of combustible members entering masonry or concrete fire walls shall be separated a minimum distance of inch(es). • 1 • 2 • 4 • 6 • Reference c Sec. 705.7

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