Physical or mental "impairment"
a conditioin or disease that affects the mind or the body
That "substantially" limits
for a long period of time or to a great degree
one or more "major life functions"
walking, talking,breathing, seeing, hearing, self care, paying bills, etc.
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Occupancy standards—better to use square footage of the unit
For example, State Building Code Occupancy Standards
150 for one person
100 for each additional person
Rooms used for sleeping purposes—70 square feet for one person; 50 Square feet if more than one person
Measure habitable space Unit Occupancy