Garages shall conform to all other applicable requirements of this chapter
as well as the following provisions.
No person shall use any building, shed or enclosure as a place of business
for the purpose of servicing or repairing any motor vehicle therein without
a permit.
No flammable liquid with a flash point below 100° F. shall be used
in any garage for washing parts or removing grease or dirt unless in a special
closed machine approved for the purpose or in a separate well-ventilated room
enclosed by walls having a fire-resistance rating or not less than two hours
with openings therein protected by approved fire doors or fire windows and
with no opening from such room or to any upper or lower story.