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Hazardous areas are protected by a fire barrier having 1-hour fire resistance rating (with 3/4-hour fire rated doors) or an automatic fire extinguishing system in accordance with 8.7.1. When the approved automatic fire extinguishing system option is used, the areas shall be separated from other spaces by smoke resisting partitions and doors in accordance with 8.4. Doors shall be self-closing or automatic-closing and permitted to have nonrated or field-applied protective plates that do not exceed 48 inches from the bottom of the door. Describe the floor and zone locations of hazardous areas that are deficient in REMARKS. 19.3.2.1 Area, Automatic Sprinkler, Separation, N/A a. Boiler and Fuel-Fired Heater Rooms b. Laundries (larger than 100 square feet) c. Repair, Maintenance, and Paint Shops d. Soiled Linen Rooms (exceeding 64 gallons) e. Trash Collection Rooms (exceeding 64 gallons) f. Combustible Storage Rooms/Spaces (over 50 square feet) g. Laboratories (if classified as Severe Hazard - see 0322)

Smoke barriers shall be constructed to a ½-hour fire resistance rating per 8.5. Smoke barriers shall be permitted to terminate at an atrium wall. Smoke dampers are not required in duct penetrations in fully ducted HVAC systems where an approved sprinkler system is installed for smoke compartments adjacent to the smoke barrier. 19.3.7.3, 8.6.7.1(1)