CONSTRUCTION TYPE—MAXIMUM STORY HEIGHT

1. (a) D-0 occupancies shall be governed by the story height limitations in the following table:

   Construction Type	Maximum Story Height
   Fireresistive	No Limit
   Noncombustible	4 Stories*
   Protected Heavy Timber	4 Stories*
   Ordinary	3 Stories*
   Wood Frame	2 Stories*

2. (b) *An additional story shall be permitted in noncombustible, protected heavy timber, ordinary or wood frame construction when the building is 1-hour rated construction or totally protected by an automatic sprinkler system. The maximum story height may be increased by two stories when both 1-hour rated construction and total automatic sprinkler protection are provided.
3. (c) Noncombustible, protected heavy timber, ordinary and wood frame construction types shall be considered 1-hour rated construction when bearing walls, columns, beams, other supporting members, ceiling/roof assemblies, floor/ceiling assemblies, stairways, and other openings through floors are of 1-hour rated construction.