713.05 VENTILATION REQUIREMENTS.
   (a)   Each machine shall be provided with an exhaust system. A velocity of 100 feet per minute shall be maintained through the loading door when opened.
   (b)   A supply of make-up air, tempered sixty to sixty-five degrees fahrenheit, equal to or greater than the volume exhausted shall be provided to eliminate the possibility of negative pressure conditions.
   (c)   The interior of the machine and equipment enclosure shall have an exhaust system to ventilate the area. A minimum of 1,000 CFM per machine shall be provided.
   (d)   All exhaust ducts shall be sealed by soldering or taping the joints and shall discharge five feet above the roof.
   (e)   All exhaust stacks shall be located from any fresh air intake, window, door or stairway a distance as determined by the Chief Building Official and the Fire Chief.
(Ord. 1961-394. Passed 12-12-61.)