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collinrulez collinrulez
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Posts: 822
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6 years ago
What is the minimum riser for high-rise buildings with Class II service that are less than 50 feet (15 m) in height?
 
  A. 1 inch (25 mm)
  B. 1 inches (31 mm)
  C. 1 inches (38 mm)
  D. 2 inches (50 mm)
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6 years ago
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