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r B. Special Hazards(UBC 305.8) Chimneys and heating apparatus shall conform to the requirements of Chapter 31 of this code (UBC)and the Mechanical Code. All exterior openings in a boiler room or rooms containing central heating equipment,if located below openings in another story of if less than 10 feet from other doors or windows of the same building,shall be protected by a fire assembly having a three-fourths-hour fire protection rating. Such fire assemblies shall be fixed,automatic closing or self-closing. C.Fire Alarms (UBC 305.9) An approved fire alarm system shall be provided for Group E Occupancies with an Occupant load of 50 or more persons. In Group E Occupancies provided with an automatic sprinkler system or detection system,the operation of such systems shall automatically activate the school's fire alarm system,which shall include an alarm mounted on the exterior or the building. 4. Type of Construction(UBC 603) Type IIN For Group E 1 and Group B and Group A-3 5. Full Automatic Sprinkler System 6.Allowable Area Type II N Construction (UBC Table 5-8) The allowable area of the Group E portion is 13,SOOsqft. The allowable area of the Group A 3 portion on a building is 9,100sqft.. The allowable area of the Group B portion of a building is 12,OOOsqft. 7.Allowable Area Increases. 1. (UBC 505.1.3)Separation on all sides. Where public ways or yards more than 20 feet in width extend on all sides of a building and adjoin the entire perimeter, floor area may be increased at a rate of 5 percent for each foot by which the minimum width exceeds 20 feet. Such increases shall not exceed 100 percent,.. Min separation is 79' to North Prop Line: 79'-20'=59' X a rate on 5%increase per foot=295%> 100%= 100%increase Group E allowable azea =27,OOOsqft Group A 3 allowable area = 18,200sqft Group B allowable area =24,OOOsqft