What would the minimum width of the corridor be in a dormitory. The building was constructed in 1980.
Depends on the building code, the building was built to.
More than likely between 36 to 44
Not a simple answer to snap out here!!!
I can give you some background on the life safety aspect for new construction back in 1980.
1973 edition of the Life Safety Code shows minimum of 28 inches unless the capacity of the corridor based on the occupant load requires more width.
The Residential Chapter 11-4 for dormitories had no minimum for the corridor width.
However over the years NFPA 101 has continuously updated the egress capacity existing buildings
For the life safety aspects I will refer to 2018 NFPA 101, Life Safety Code. Section 29.2.3 of the existing dormitories occupancy chapter refer us to Section 7.3.
Looking for minimum width in Section 7.3.
The occupant load may however require larger width per Section 7.3.
The building codes closely follows the life safety model of NFPA 101.
You would need to do some plan review to find the use areas to determine the occupant loads and the determination of the egress capacity of the exit access areas.
So after all this, there must be some reason you are questioning the width in an existing corridor in a dormitory?
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