719.07 SAFETY PROVISIONS.
   (a)   Any dry cleaning establishment shall be located only in a single-story building, and no part of such building shall be used for residence purposes.
   (b)   The cleaning solvent used shall be of the nonflammable and non-toxic type.
   (c)   Only machines approved by the National Board of Fire Underwriters shall be permitted.
   (d)   All machines shall be installed in such a manner that the public has access to the machines only through the loading doors. Partitions and enclosures for the machines shall be of approved fire-resistant material.
   (e)   All machines shall be fitted with a device which shall prevent the opening of the loading door while such machine is in operation, and shall be so constructed that a power failure or malfunction of such machine shall cause it to stop in a safe position.
   (f)   All machines shall be properly grounded, and all main power switches and wiring shall be located behind the machine enclosure inaccessible to the public.
   (g)   All establishments shall be operated under the direct supervision of the owner or manager or employee of same who shall be in constant attendance during the hours such business is open to the public.
   (h)   A utility fire extinguisher of either the carbon dioxide or dry cleaning type must be provided in each establishment.
   (i)   Exhaust ducts and stacks of sufficient capacity to assure the protection of the public shall be installed in each establishment, and exhaust fans shall be wired in such a manner as to operate at any time that the machines are in use. A supply of make-up air equal to or greater than the volume exhausted shall be provided to eliminate the possibility of negative pressure conditions. The ventilation system shall exhaust to the outside atmosphere, through the roof, and exhaust outlets shall not be closer than twenty-five feet (25 ft.) to any opening of any building or within one hundred feet (100 ft.) of a residential dwelling.
   (j)   Bulk solvent for dry cleaning machines shall be stored in closed containers and shall be transferred from the containers in a line free from leaks. Storage of solvent in customer areas is prohibited. Filter residue and other residue containing solvent shall be disposed of so as not to create a health hazard or nuisance. A covered metal container shall be used for temporary storage of such residue outside the building.
   (k)   All self-service dry cleaning establishments shall prominently display indoor signs warning the general public of the dangers of excessive solvent vapor inhalation and skin irritation from the unevaporated dry cleaning solvent.
   (l)   Spotting of garments with flammable solvents is prohibited.
(Ord. 2609-63. Passed 6-3-63.)