5.6.6.   NOISE CONTROL DISTRICTS
   A.   
      1.   Within Noise Control District-65, the following uses shall be provided with sound attenuation, to reduce the interior noise level to an of 45 or less, as specified in Section 9-03.0.0, Sound Attenuation within the Environs , of the Technical Standards Manual:
         a.    -built residential uses;
         b.   Places of ; and,
         c.   Administrative and Professional Offices.
      2.   A manufactured housing unit is not considered equivalent to a single- dwelling within the boundaries of , unless located on a property zoned MH-1 or MH-2 or unless it can be demonstrated that the unit provides adequate sound attenuation to reduce the interior noise level to 45.
      3.   Prohibited Uses:  Within , Day Care uses are prohibited.
   B.   
      1.   Within Noise Control District-70, the following uses shall be provided with sound attenuation to reduce the interior noise level to an of 45 or less, as specified in Section 9-03.0.0, Sound Attenuation within the Environs , the Technical Standards Manual:
         a.    -built residential uses;
         b.   Places of ; and,
         c.   Administrative and Professional Offices.
      2.   Single- and multifamily dwellings are permitted, provided the property is residentially zoned as of May 16, 1990, and provided the interior noise level is reduced to an of 45 or less as specified in Section 5.6.6.B.1.
      3.   A manufactured housing unit is not considered equivalent to a single- dwelling within the boundaries of , unless located on a property zoned MH-1 or MH-2 or unless it can be demonstrated that the unit provides adequate sound attenuation to reduce the interior noise level to 45.
      4.   Special Exception .
         a.   The following uses are generally considered to be inappropriate within the high- noise area, . They may be approved as Special Exception upon application, review, and approval in accordance with Section 3.4.3, Zoning Examiner Special Exception Procedure. In addition to the standard notice required for Special Exception applications, the Tucson Authority and Davis-Monthan Air Force Base shall be notified of all such applications within the boundaries of the Environs (AEZ) (Section 5.6).
            (1)   Civic Assembly;
            (2)   Cultural Use;
            (3)   Educational Use - Postsecondary Institution;
            (4)   Entertainment;
            (5)   Medical Service - Major; and,
            (6)   Swap Meet or Auction.
         b.   In addition to the required findings and conditions specified in Sections 3.4.5 and 3.4.6, respectively, these uses shall be consistent with the intent of the Environs (AEZ) and the Environs Plan or the ( ) Report and shall be capable of sound attenuation to mitigate the effects of high noise. In addition, all activity associated with the use shall be shown to take place within an . An acoustical engineer shall demonstrate that the proposed use is insulated to an interior noise level of an of 45 or less.
      5.   Prohibited Uses. Within , the following uses are prohibited:
         a.   Day Care; and,
         b.   Educational Use:  Elementary and Secondary Schools.