September 15, 2016
1. If you have met the plumbing code for fixture count on the floor below then there is no requirement for a toilet on the Mezzanine.
2. If you install a toilet on the Mezzanine it needs to meet accessibility unless the purpose is to serve a private office per Exception 1 of 1109.2 of the 2015 IBC.
3. Yes, the Toilet Room needs to be accessible unless it meets one of the exemptions listed in the section above. Similar to upgrading toilet rooms in existing structures, even though the space itself is not accessible NOW the toilet room should provide for a time when the space does become accessible.
May 20, 2017
I have a small building (under 8,500 SF), with a mezzanine (around 2,000 SF). Since the mezzanine meets all criteria to be considered part of the floor below, I have the following questions:
1) If I meet the required plumbing fixture count on the main level, with separate men's and a women's toilet rooms, do I need to add (a) toilet room(s) on the mezzanine level?
2) If I am not required to provide toilet facilities on the mezzanine level, and I wish to have at least one, can I provide one unisex toilet room, since I already meet my fixture count requirements on the main level? The mezzanine is approx. 2,000 SF so the occupant load will be greater than 15 people.
3) If the mezzanine does not require an accessible route because of it's size, does the toilet room still need to be accessible?
Help with this matter is greatly appreciated! Ed
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