Section 58.11. Story height

(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*

(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.

(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.