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building height

  1. lenny

    Does Mechanical Penthouse count against Building Height on Table 504.3?

    Asking a question on a building in NYS. It is 4 stories of B occupancy over 1 basement story of S-2 parking. Table 504.3 allows for a type IIIB occupancy as long as the building is only 75' above the grade plane. The mechanical penthouses are pushing this limit. They are code-defined...
  2. S

    How to determine building height of storage garage considered as a separate building

    This is from Ontario Building Code (NBC is similar): 3.2.1.2. Storage Garage Considered as a Separate Building (1) A basement used primarily as a storage garage is permitted to be considered as a separate building for the purposes of Subsection 3.2.2. and Sentences 3.2.5.13.(2) and (3)...
    • sunyaer
    • Thread
    • building classification building height first storey separate building
    • Replies: 5
    • Forum: Canada
  3. Harrison Staab

    Grade Plane, Areaways, and Window Wells

    When calculating Grade Plane (as defined by IBC 2015 Chapter 2), should one take into account things like areaways, light wells, window wells, or exterior stairwells? Grade Plane. A reference plane representing the average of finished ground level adjoining the building at exterior walls. Where...
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