11.4.2.2.Increase in Occupant Load

(1) Except as provided in Sentences 11.4.2.5.(2) and (3), the performance level of an existing building is reduced where proposed construction will increase the occupant load of an existing building by more than 15%. (2) The performance level of an existing building is reduced where proposed construction will increase the occupant load by 15% or less and the new occupant load will be more than 15% above the occupant load for which a fire alarm system is required under Sentence 3.2.4.1.(2). (3) The performance level of an existing building is reduced where proposed construction will increase the occupant load by 15% or less and the new occupant load will be more than 15% above the existing exit capacity as required under Article 3.4.3.2.