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1104.17.1.2 Existing Group B Occupancies
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In office areas of Group B occupancies not exceeding 10,000 square feet (929 m2) in size, existing corridor walls, ceilings, and opening protection not in compliance with Section 1104.17.1 may be continued when such buildings are protected with an approved automatic fire alarm system. The fire alarm system shall include automatic smoke detection throughout the exit system and approved detection in all boiler rooms, furnace rooms, mechanical rooms, and storage rooms.
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1104.17.1.2 Construction Requirements for Existing Buildings, Existing Group B Occupancies
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2020 Minnesota State Fire Code > 11 Construction Requirements for Existing Buildings > 1104 Means of Egress for Existing Buildings > 1104.17 Corridor Construction > 1104.17.1 Construction > 1104.17.1.2 Existing Group B Occupancies
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1104.17.1 Construction Requirements for Existing Buildings, Construction
In office
areas of Group B occupancies not exceeding 10,000
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2020 Minnesota State Fire Code > 11 Construction Requirements for Existing Buildings > 1104 Means of Egress for Existing Buildings > 1104.17 Corridor Construction > 1104.17.1 Construction