Selecting Interior Finish Systems Unless otherwise instructed by your teacher, assume the following for this assignment: Building height: 5 stories Occupancy Group: B 1. What is the maximum permitted flame-spread rating and associated Class for each of the following? Fire protection: Unsprinklered Construction Type: II-A a. Finishes within the rooms of the building: b. Finishes in exit stairways: c. Finishes in corridors providing access to these stairways: 2. What are the required fire resistance ratings for the following parts of this building? a. Exterior loadbearing walls: b. Interior loadbearing walls: c. Columns: d. Floor construction: e. Roof construction: f. Elevator shaft enclosures: g. Elevator doors: h. Exit stair enclosures: Name: i. Doors opening into exit stairs: j. Corridor walls: k. Doors opening into corridors: 1. Other nonbearing interior partitions: 147