509.06 SPECIAL PERMIT; QUIET ZONES.
   (a)   Noises Detrimental to Life, Health or Comfort; Special Permit. No person shall make, continue or cause to be made within the City, any noises of such character, intensity and duration as to be detrimental to life, health or comfort of any individual, unless a permit shall be obtained from the City Manager, upon application showing a necessity therefor, limited to a specific occasion. Such permit shall be issued only when the City Manager is satisfied that the issuance of such permit is necessary and will not result in any unnecessary and unseemly noise to the detriment of the health and comfort of any individual.
(1961 Code Sec. 515.07)
   (b)   Unnecessary Noises in Specific Areas. No person, by himself or by the operation of any instrument, device, agency or vehicle shall make any unnecessary or unseemly noise within 150 feet of any portion of the grounds and premises on which is located a hospital or other institution reserved for the sick, aged or infirm, or within 150 feet of any school, court house, church or building in which religious services are held, during school hours or hours of public worship, or hours of holding court respectively.
(1961 Code Sec. 515.08)
   (c)   Designation and Marking of Zones of Quiet. The area within 150 feet of a hospital, school, court house or church shall be officially known as a "zone of quiet" and the City Manager shall place signs within such zones of quiet calling attention to the prohibition against unnecessary noises.
(1961 Code Sec. 515.09)