As projected in the plan, the proposed use of the space appears to be consistent with an office use calculation of 150 Gross. However, if this space is used as waiting space for the primary function area of the building, such as holding customers in this lobby space so they can all be let into the primary function area at one time, then a occupant load factor of 7 net or even 5 net could be appropriate. The design professional needs to communicate to the building department how this lobby space will be utilized.
Its not an assembly area. Should be part of the business. Think of common sense here . . .
I agree with the BOAF comment. Secondly, as the question is about an area, "the Lobby" that is not defined on table 1004.5, this is more of a question, and determination by the local BO, section 1004.5.
This "entry" area of the Business does not appear to be an Assembly Occupancy in accordance with FBCB 303.1 "An assembly group A includes, among others, the use of a building or structure, or a portion thereof, for the gathering of persons for purposes such as civic, social or religious functions;" This area is for the sole purpose of waiting not assembling. Per FBCB T-1004.5 a waiting or "entry" in a Business Occupancy is classified as a "waiting area" and calculated at 15 gross. The rest of the business occupancy can be calculated at 150 gross. Waiting areas in Business occupancies have a higher concentration of persons than the rest of the Business occupancy. Similarly, Meeting/Conference Rooms in business occupancies are not calculated as Business Occupancies (150) but rather as Assembly Occupancy due to higher concentration of occupant for egress purposes.
Agree with Tony Apfelbeck.
The plans as drawn meet the building code. The design professional's note is correct.
