§ 158.397  USE REGULATIONS IN NOISE ZONES.
   (A)   Use and design regulations in AO-4: NZ 1.
      (1)   Permitted uses.
         (a)   Permitted uses are listed on Table 2 of this chapter; provided that, no uses shall be allowed where not permitted in the underlying zoning district. When regulations within the Airport Overlay District overlap, the more stringent standard shall apply.
         (b)   Single-family residential density shall be limited to one dwelling unit per acre within the NZ-1.
      (2)   Prohibited uses.
         (a)   Manufactured housing shall not be permitted within the NZ-1.
         (b)   Outdoor amphitheaters shall not be permitted within the NZ-1.
      (3)   Sound attenuation.
         (a)   To the extent permitted by law, sound attenuation standards to achieve an NRL of at least 25 dB is required for all new or expanded hospitals, clinics, nursing homes, child care centers, schools, movie theaters, auditoriums, churches and places of worship and meditation. The requirements of this section shall apply only to the area of expansion. Expansion shall include any such work that results in an increase of the cubic content of the building or the floor or ground area devoted to the noise sensitive use or in any way increases or creates a site-related non-conformity.
         (b)   Sound attenuation standards to achieve an NRL of at least 25 dB are required for all new residential construction within the NZ-1.
   (B)   Use and design regulations in AO-4: NZ 2.
      (1)   Permitted uses. Permitted uses are listed on Table 2 of this chapter; provided that, no uses shall be allowed where not permitted in the underlying zoning district. When regulations within the Airport Overlay District overlap, the more stringent standard shall apply.
      (2)   Prohibited uses.
         (a)   Manufactured housing shall not be permitted within  the NZ-2.
         (b)   Outdoor amphitheaters shall not be permitted within the NZ-2.
         (c)   All residential uses, including hotels and overnight lodging sites, shall be prohibited within the NZ-2.
      (3)   Sound attenuation.
         (a)   To the extent permitted by law, sound attenuation standards to achieve an NRL of at least 30 dB is required for all new or expanded hospitals, clinics, nursing homes, child care centers, schools, movie theaters, auditoriums, churches and places of worship and meditation.
         (b)   Sound attenuation standards to achieve an NRL of at least 25 dB is required for all new or expanded structures containing office, business, retail and wholesale trade uses. Within new or expanded industrial structures, those portions of the building where the public is received, offices are located, and other places where low noise levels are normally expected shall utilize sound attenuation standards to achieve an NRL of at least 25 dB.
   (C)   Use and design regulations in AO-4: NZ 3.
      (1)   Permitted uses.
         (a)   Permitted uses are listed on Table 2 of this chapter; provided that, no uses shall be allowed where not permitted in the underlying zoning district.
         (b)   When regulations within the Airport Overlay District overlap, the more stringent standard shall apply.
      (2)   Prohibited uses.
         (a)   Manufactured housing shall not be permitted within the NZ-3.
         (b)   Outdoor amphitheaters shall not be permitted within the NZ-3.
         (c)   All residential uses, including hotels and overnight lodging sites, shall be prohibited within the NZ-3.
         (d)   All hospitals, clinics, nursing homes, child care centers, schools, movie theaters, auditoriums, churches and places of worship and meditation are prohibited.
      (3)   Sound attenuation. Sound attenuation standards to achieve an NRL of at least 30 dB is required for all new or expanded structures containing office, business, retail and wholesale trade uses. Within new or expanded industrial structures, those portions of the building where the public is received, offices are located, and other places where low noise levels are normally expected shall utilize sound attenuation standards to achieve an NRL of at least 30 dB.
   (D)   Use and design regulations in AO-4: NZ 4.
      (1)   Permitted uses.
         (a)   Permitted uses are listed on Table 2 of this chapter; provided that, no uses shall be allowed where not permitted in the underlying zoning district.
         (b)   When regulations within the Airport Overlay District overlap, the more stringent standard shall apply.
      (2)   Prohibited uses.
         (a)   Manufactured housing shall not be permitted within the NZ-4.
         (b)   Outdoor amphitheaters shall not be permitted within the NZ-4.
         (c)   All residential uses, including hotels and overnight lodging sites, shall be prohibited within the NZ-4.
         (d)   All hospitals, clinics, nursing homes, child care centers, schools, movie theaters, auditoriums, churches and places of worship and meditation are prohibited within the NZ-4.
      (3)   Sound attenuation.
         (a)   Sound attenuation standards to achieve an NRL of at least 30 dB is required for all new or expanded structures containing office, business, retail and wholesale trade uses.
         (b)   Within new or expanded industrial structures, those portions of the building where the public is received, offices are located, and other places where low noise levels are normally expected shall utilize sound attenuation standards to achieve an NRL of at least 30 dB.
   (E)   Permitted land uses in AO-4: Noise Zones.
      (1)   (a)   Table 2 of this chapter describes those uses that are permissible within the areas designated as noise zones.
         (b)   Within Table 2 of this chapter, the designation with the letter "Y" indicates that the land use is permissible, subject to compliance with the standards of this chapter.
      (2)   The designation "PS 25" indicates that the land use is permissible, subject to compliance with the standards of this chapter and demonstrating noise reduction materials have been incorporated into the design and construction of proposed development in a manner that achieves a noise level reduction of 25 dB.
      (3)   The designation "PS 30" indicates that the land use is permissible, subject to compliance with the standards of this chapter and demonstrating noise reduction materials have been incorporated into the design and construction of proposed development in a manner that achieves a noise level reduction of 30 dB.
      (4)   The designation with the letter "N" indicates the land use is prohibited.
      (5)   The recommendations for permitted and prohibited types of facilities or land uses by noise level reduction are based on the U.S. Department of Transportation and Federal Aviation Administration (FAA) charts for aircraft noise avoidance.
Table 2
 
Land Use
Airport Overlay AO-4 Noise Zones (dB)
SLCUM
Name
NZ 1 65-69
NZ 2 70-74
NZ 3 75-79
NZ 4 80+
10
Residential
11
Household units
11.11
Single units; detached
PS 25
N
N
N
11.12
Single units; semi detached
N
N
N
N
11.13
Single units; attached row
N
N
N
N
11.21
Two units; side-by-side
N
N
N
N
11.22
Two units; stacked
N
N
N
N
11.31
Apartments; walk up
N
N
N
N
11.32
Apartments; elevator
N
N
N
N
12
Group quarters
N
N
N
N
13
Residential hotels
N
N
N
N
14
Mobile home parks or courts
N
N
N
N
15
Transient lodgings
N
N
N
N
16
Other residential
N
N
N
N
20
Manufacturing
21
   of food and kindred products
Y
PS 25
PS 30
PS 30
22
   of textile mill products
Y
PS 25
PS 30
PS 30
23
   of apparel and other finished products made from fabrics, leather and similar materials
Y
PS 25
PS 30
PS 30
24
   of lumber and wood products (except furniture)
Y
PS 25
PS 30
PS 30
25
   of furniture and fixtures
Y
PS 25
PS 30
PS 30
26
   of paper and allied products
Y
PS 25
PS 30
PS 30
27
   of printing, publishing and allied industries
Y
PS 25
PS 30
PS 30
28
   of chemicals and allied products
Y
PS 25
PS 30
PS 30
29
   of petroleum refining and related industries
Y
PS 25
PS 30
PS 30
30
Manufacturing
31
Rubber and miscellaneous plastic products
Y
PS 25
PS 30
PS 30
32
Stone, clay and glass products
Y
PS 25
PS 30
PS 30
33
Primary metal industries
Y
PS 25
PS 30
PS 30
34
Fabricated metal products
Y
PS 25
PS 30
PS 30
35
Professional and scientific instruments
Y
PS 25
PS 30
N
39
Miscellaneous manufacturing
Y
PS 25
PS 30
PS 30
40
Transportation, communications and utilities
41
Railroad, rapid rail transit and street railroad transportation
Y
PS 25
PS 25
PS 25
42
Motor vehicle transportation
Y
PS 25
PS 25
PS 25
43
Aircraft transportation
Y
PS 25
PS 25
PS 25
44
Marine craft transportation
Y
PS 25
PS 25
PS 25
45
Highway and street right-way
Y
PS 25
PS 25
PS 25
46
Automobile parking
Y
Y
Y
Y
47
Communications
Y
PS 25
PS 25
N
48
Utilities
Y
Y
Y
Y
49
Other transportation communications and utilities
Y
PS 25
PS 25
N
50
Trade
51
Wholesale trade
Y
PS 25
PS 30
PS 30
52
Retail trade - building materials, hardware and farm equipment
Y
PS 25
PS 30
PS 30
53
Retail trade - general merchandise
Y
PS 25
PS 30
N
54
Retail trade - food
Y N
PS 25
PS 30
N
55
Retail trade - automotive, marine craft, aircraft and accessories
Y
PS 25
PS 30
N
56
Retail trade - apparel and accessories
Y N
PS 25
PS 30
N
57
Retail trade - furniture, home furnishings and equipment
Y
PS 25
PS 30
N
58
Retail trade - eating and drinking establishments
Y N
PS 25
PS 30
N
59
Other retail trade
Y N
PS 25
PS 30
N
60
Services
61
Finance, insurance and real estate services
Y
PS 25
PS 30
N
62
Personal services
Y
PS 25
PS 30
N
62.4
Cemeteries
Y
PS 25
PS 30
N
63
Business services
Y
PS 25
PS 30
N
64
Repair services
Y
PS 25
PS 30
PS 30
65
Professional services
Y
PS 25
PS 30
PS 30
65.1
Hospitals, nursing homes
PS 25
PS 30
N
N
65.1
Other medical facilities
PS 25
PS 30
PS 30
N
66
Contract construction services
Y
PS 25
PS 30
N
67
Governmental services
Y
PS 25
PS 30
N
68
Educational services
PS 25
PS 30
N
N
69
Miscellaneous services
Y
PS 25
PS 30
N
70
Cultural, entertainment and recreational
71
Cultural activities (including churches)
PS 25
PS 30
N
N
71.2
Nature exhibits
Y
N
N
N
72
Public assembly
Y
N
N
N
72.1
Auditoriums, concert halls
PS 25
PS 30
N
N
72.11
Outdoor music shell, amphitheaters
N
N
N
N
72.2
Outdoor sport arenas, spectator sports
Y
Y
N
N
73
Amusements
Y
Y
N
N
74
Recreational activities (including golf courses, riding stables, water recreation)
Y
PS 25
PS 30
N
75
Resorts and group camps
Y
Y
N
N
76
Parks
Y
Y
N
N
79
Other cultural, entertainment and recreation
Y
Y
N
N
80
Resources production and extraction
81
Agriculture (except livestock)
Y
Y
Y
N
81.5-81.7
Livestock farming and animal breeding
Y
Y
Y
N
82
Agricultural related activities
Y
Y
Y
N
83
Forestry activities and related services
Y
Y
Y
N
84
Fishing activities and related services
Y
Y
Y
Y
85
Mining activities and related services
Y
Y
Y
Y
89
Other resources production and extraction
Y
Y
Y
Y
 
(Ord. 3718, passed 6-20-2011)