A building addition is to connect two existing buildings of different construction types. Which of the following construction type arrangements is always permissible?
a. Provide the least fire-resistive construction type of the connected portions with no fire barrier separation
b. Provide 1-hour vertically aligned fire wall is installed between them to create separate buildings
c. Provide any construction type for the connection portion with 2-hour fire barrier between buildings
d. none of the above
Solution | Posted 07/22/20
a. Least fire-resistive construction type of the connected portions, as described and permitted by NFPA 101-2018 Section 220.127.116.11.
To create separate buildings, a 2-hour vertically aligned fire barrier is required at a minimum, and use of any construction type is not always acceptable depending upon the size of the building, height, sprinkler protection, and other elements.
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