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13000822
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Last modified
8/5/2025 8:00:12 PM
Creation date
8/5/2025 11:37:25 AM
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Permits
Permit Address
53000 BREITENBUSH RD NE
Permit City
Detroit
Permit Number
555-21-011749-STR
Parcel Number
097E20A 00300
Permit Type
Structural
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Alternate Material(s) and/or Method(s)
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w requirements for the means of egress components.The principles on which the means of egress are <br /> based and that form the fundamental criteria for requirements are to provide a system: <br /> 1. That will provide occupants alternative paths of travel to a place of safety to avoid fire; <br /> 2. That will shelter occupants from fire and the products of combustion <br /> 3. That will accommodate all occupants of a structure; and <br /> 4. That it's clear,unobstructed,well-marked, illuminated, and in which all components are under <br /> control of the user without requiring any tools,key or special knowledge or effort. <br /> Note: Performance based approach can be helpful where exit travel is reduced 50%or more than the <br /> allowable and the number of exits is increased. <br /> These are just a few areas to consider when looking for a sprinkler system substitution. These guidelines <br /> are intended to help the building official in their decision making process when faced with a proposed <br /> alternate to a sprinkler system. <br /> EXAMPLE 1: <br /> A single story 5,775 sq. ft.A-3 occupancy of Type V-B Construction.The intended use is a place of <br /> religious worship. The building will include classrooms, an office and a sanctuary with fixed seating. <br /> The local Building Official has determined the occupant load to be 340. The proposed building will have <br /> 30 foot clear yards on all sides. <br /> Applicable Code: <br /> Section 903.2.1 Group A. An automatic sprinkler system shall be provided throughout buildings and <br /> ` portions thereof used as a Group A occupancies as provided in this section.For Group A-I, A-2,A-3, <br /> and A-4 occupancies, the automatic sprinklers system shall be provided throughout the floor area where <br /> the Group A-I,A-2,A-3, and A-4 occupancy is located, and in all floors from the Group A occupancy <br /> to, and including, the nearest level of exit discharge serving the Group A occupancy. <br /> Section 903.2.1.3 Group A-3.An automatic sprinkler system shall be provided for Group A-3 where one <br /> of the following conditions exists. <br /> 1. The fire area exceeds 12,000 square feet; <br /> 2. The fire area has an occupant load of 300 or more; or <br /> 3. The fire area is located on a floor other than a level of exit discharge serving such occupancies. <br /> Discussion: <br /> With the occupant load exceeding 299,the building is required to be provided with an automatic <br /> sprinkler system throughout.The intent of this code requirement is to allow the occupants a reasonable <br /> amount of time to exit the building safely.The proposed location of the A-3 doesn't have the required <br /> water supply on site to support the automatic sprinkler system_The applicant is offering two additional <br /> safety items as an alternate to the required sprinkler system. <br /> The building as proposed will have three accessible exits,which also helps reduce the travel distance. <br /> There will be a fire alarm system that will include manual pull stations as required by code but will be <br /> upgraded to include smoke detection. The interior wall and ceiling finishes will be of Class B materials. <br /> Page 4 of 5 <br />
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