Supplemental Citywide Standards
Table 18.18.020.A Fences, Walls, and Hedges | |||
|---|---|---|---|
Fence, Wall, or Hedge | Height | Setback | Reference |
Within the Front Setback | |||
Non-view-obscuring fence, wall, or hedge | Max. 4.5 feet | N/A | See Section 18.25.220 (Definitions, "V" [View-Obscuring]) |
View-obscuring fence, wall, or hedge | Max. 3.5 feet | N/A | |
Columns or pilasters as part of a fence, wall, or hedge system | Max. 4.5 feet | Min. 10 feet from edge of driveway | |
Fence or wall enclosing swimming pools | Min. 5 feet in compliance with the Building Code | N/A | See Section 18.18.090 (Swimming Pools) |
Beyond the Front Setback | |||
Any fence, wall, or hedge | Max. 7 feet Max. 10 feet industrial zones only | Min. 10 feet from edge of driveway | |
At Driveways and Intersections | |||
Any fence, wall, or hedge | See Section 18.18.110 (Visibility at Driveways and Intersections) | ||
Table 18.18.060.A Projections into Setbacks | ||||
|---|---|---|---|---|
Projections | R-I, PUD | R-E, S-F | R-M, M-U | All Other Zones |
Accessory dwelling units | See Section 18.22.030 (Accessory Dwelling Units) | N/A | ||
Accessory structures in residential zones | See Section 18.11.040 (Design Standards for Residential Buildings, Accessory Structures) | N/A | ||
Architectural details such as cornices, roof eaves, belt courses, sills, trims, or similar details | 2 feet into front or side street setback only | 2 feet into any setback | ||
Fireplace structures, such as chimneys, not exceeding 12 feet in width | ||||
Façade projections, attached, such as porticos, buttresses, bay windows, porches, or similar attached projections | 6 feet into front setback, and 3 feet into side street setback only | 6 feet into front setback 6 feet into side street setback 2 feet into side interior setback Permitted in rear setback provided that a 4-foot setback is maintained from the rear property line | ||
Structures over driveways, attached, such as porte cocheres | ||||
Stairs or stoops | ||||
Entrance arbors over walkways (limited to one per property with a maximum height of 8 feet, and one post on either side of walkway) | None. Shall be limited to front property line | N/A | ||
Swimming pools or spas | See Section 18.18.090 (Swimming Pools) | N/A | ||
Table 18.19.020.A Driveway Dimensions | ||
|---|---|---|
Driveway Type | Min. Width | Max. Width |
Non-Residential Uses | ||
One-way driveway | 12 feet | N/A |
Two-way driveway | 20 feet | N/A |
Residential Uses | ||
Single-family with a detached garage | 10 feet | 10 feet |
Single-family with an attached garage | 10 feet | 18 feet |
Multifamily development | 10 feet | 26 feet |
![]() Figure 18.19.020.A Turning Radius |
![]() Figure 18.19.020.B. Circular Driveways |
Table 18.19.030.A Required Number of Parking Spaces | |
|---|---|
Land Use | Minimum Required Parking Spaces |
Residential Uses | As specified below |
Single-Family Dwellings | 2 spaces per dwelling unit, in a garage or carport |
Multifamily Dwelling Units | 1 space per studio or 1-bedroom dwelling unit |
2 spaces per 2- or more bedroom dwelling unit | |
1 guest parking for every 4 units | |
Hotels and Motels | 1 space per hotel/motel room |
Live-Work | 2 spaces per unit when workspace square footage is less than 600 square feet |
2 spaces per unit, plus 0.5 employee spaces for workspace square footage exceeding 600 square feet and up to 1,000 square feet | |
2 spaces per unit, plus 1 employee space and 0.75 guest/visitor spaces for workspace square footage exceeding 1,000 square feet and up to 1,750 square feet | |
Mobilehome Park | 2 spaces per dwelling unit, plus 1 guest parking space for every 4 units |
Single Room Occupancy | 0.5 space per unit, plus 1 guest space for each 5 units |
Residential Care Facility, Assisted Living (> 6 persons) | 1 space for every 2 beds |
Retail and Commercial Uses | 1 per 250 square feet of building floor area except as specified below |
Commercial Recreation | |
Theatre | 1 per 3 fixed seats |
Other Commercial Recreation: | Parking study required |
Eating and Drinking Establishments | 1 per 100 square feet of dining/seating area Employee areas 1 per 500 square feet |
Outdoor Dining | 1 per 100 square feet of dining area |
Health and Exercise Clubs/Gyms | 1 space per 100 square feet of building area or per a parking demand study prepared by a California licensed traffic engineer |
Furniture Store | 1 space per 250 square feet of building floor area |
Personal Services (Massage, Barbershops, Nail Salon and Beauty Salons) | 1 space per 200 square feet of building floor area |
Studios (Dance and Martial Arts) | 1 space per 200 square feet of building floor area |
Vehicle Sales and Services Vehicle Leasing | 1 spaces per 250 square feet of lot area |
Public/Semi-Public | 1 per 250 square feet of building floor area except as specified below |
Community Assembly | 1 per 75 square feet of assembly area or subject to a parking study as determined by the Zoning Administrator |
Day Care Center | 1 per 300 square feet of building floor area |
Education Institutions, Private | 0.10 per student and 1 per classroom |
Trade Schools | 1 space per employee, plus 1 space per student at maximum enrollment capacity |
Medical Facilities/Hospitals | 1 per 500 square feet |
Medical Clinic and Medical Office Specialist Services | 1 per 200 square feet |
Public Recreation and Open Space (Passive Recreation) | 5.5 per acre of project area |
Public Recreation and Open Space (Active Recreation) | Parking study required |
Industrial Uses, including Assembly, Distribution and Warehouse | 1 per 1,000 square feet of building floor area except as specified below |
Auto Repair | 1 space per bay plus 1 per 250 square feet of floor area |
Self-Storage Facility | 1 space per 10,000 square feet of gross rental area, plus 1 per 250 square feet of office floor area |
Communication and Utilities | 1 space per 500 square feet of floor area |
Table 18.19.030.B Parking Space Dimensions | ||
|---|---|---|
Parking Space Type | Min. Width (feet) | Min. Depth (feet) |
Compact (a) | 8 | 16 |
Standard | 9 | 20 |
Parallel | 9 | 22 |
Accessible | Compliant with Building Code | |
Note: | |
|---|---|
(a) | For non-residential uses, compact parking shall not exceed 25% of the total required parking. Compact parking shall be prohibited for residential uses. |
Table 18.19.030.C Parking Aisle Dimensions | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | G | H | |||
Angle of Parking in Degrees | Width of Section in Feet | Depth of Stall Plus Width Aisle in Feet | Depth of Stall in Feet | Width of Aisle in Feet | Length of Stall Facing in Feet | Width of Stall in Feet | Length of Stall in Feet | |||
One Way | Two Way | One Way | Two Way | One Way | Two Way | |||||
0 | 30 | 34 | 21 | 25 | 9 | 12 | 16 | 20 | 9 | 20 |
30 | 47 | 51.6 | 29.8 | 33.8 | 17.8 | 12 | 16 | 18 | 9 | 20 |
45 | 55 | 53 | 34.5 | 38.5 | 20.5 | 14 | 18 | 12.7 | 9 | 20 |
60 | 63 | 63.6 | 41.8 | 41.8 | 21.5 | 20 | 20 | 10.4 | 9 | 20 |
90 | 66 | 66 | 46 | 46 | 20 | 26 | 26 | 9 | 9 | 20 |
Supplemental Reference | ||||||||||
A | B | C | D | E | F | G | H | |||
35 | 49.6 | 53.6 | 30.8 | 34.8 | 18.8 | 12 | 16 | 16 | 9 | 20 |
40 | 53.4 | 57.4 | 33.7 | 37.6 | 19.7 | 14 | 18 | 14 | 9 | 20 |
50 | 56.2 | 60.2 | 35.1 | 39.1 | 21.1 | 14 | 18 | 11.7 | 9 | 20 |
55 | 58 | 60 | 36.5 | 38.5 | 21.5 | 15 | 17 | 11 | 9 | 20 |
65 | 63.8 | 63.8 | 41.5 | 41.9 | 21.9 | 20 | 20 | 9.9 | 9 | 20 |
70 | 63.8 | 63.8 | 41.5 | 41.9 | 21.9 | 20 | 20 | 9.6 | 9 | 20 |
75 | 66.2 | 66.2 | 44.6 | 44.6 | 21.6 | 23 | 23 | 9.3 | 9 | 20 |
80 | 67.6 | 67.6 | 46.3 | 46.3 | 21.3 | 25 | 25 | 9.1 | 9 | 20 |
85 | 67.4 | 67.4 | 46.7 | 46.7 | 20.7 | 26 | 26 | 9 | 9 | 20 |
Table 18.19.030.D Herringbone or Overlap Parking Dimensions | |||||
|---|---|---|---|---|---|
A | J | K | L | ||
Angle of Parking in Degrees | Width of Section in Feet for Herringbone or Overlap Parking | Depth of Stall Plus Width of Aisle in Feet | Depth of Stall in Feet | ||
One Way | Two Way | One Way | Two Way | ||
45 | 52.2 | 56.2 | 34.6 | 38.5 | 17.7 |
![]() Figure 18.19.030.A Parking Aisle Dimensions |
![]() Figure 18.19.030.B Typical Four-Foot Wall and Wheel Stop |
![]() Figure 18.19.030.C Porte Cochere Covered Porch |
![]() Figure 18.19.030.D Porte Cochere Building Wall |
![]() Figure 18.19.030.E Porte Cochere Circular Driveway |
![]() Figure 18.19.030.F Porte Cochere Attached Garage |
![]() Figure 18.19.030.G Porte Cochere Setback |
Table 18.19.040.A Required Loading Areas | |
|---|---|
Total Gross Floor Area (square feet) | Minimum Loading Area (square feet) (a) |
10,000 or less | None |
10,001 to 20,000 | 300 |
20,001 to 50,000 | 600 |
50,001 or greater | 1,000 |
Note: | |
(a) | The minimum loading area shall not be less than 12 feet in width and 25 feet in length, exclusive of required driveways and drive aisles, and shall have an unobstructed height of not less than 14 feet. |
Table 18.19.050.A Total Required Parking Devoted to Employees by Use | |
|---|---|
Type of Use | Percent of Total Required Parking Devoted to Employees |
Commercial | 30% |
Office/Professional | 85% |
Industrial/Manufacturing | 90% |
![]() Figure 18.20.030.A Wall-Mounted Building Identification Sign |
![]() Figure 18.20.030.B Parallel Projecting Building Identification Sign |
![]() Figure 18.20.030.C Pedestrian Oriented Sign |
![]() Figure 18.20.060.A Ascending and Descending Shapes |
Table 18.20.070.A Sign and Advertising Standards for Residential Zones | ||
|---|---|---|
Nameplate | ||
Size | 1 sq. ft. | |
Height | 42 inches | |
Number | R-M-M and R-M-H Zones: 1 per dwelling unit Other residential zones: 2 per lot | |
Real Estate | ||
Size | 9 sq. ft. | |
Height | 6 feet | |
Number | 2 per lot | |
Subdivision | ||
Size | 150 sq. ft. | |
Height | 12 feet | |
Number | 2 per tract map | |
Location and Additional Regulations | Shall be located within the boundaries of the recorded tract map. | |
Construction | ||
Size | R-M-H zone: 16 sq. ft. Other Residential zones: 12 sq. ft. | |
Height | 6 feet | |
Number | 1 per lot | |
Building Identification | ||
Size | 20 sq. ft. | |
Height | 6 feet | |
Number | 1 per lot | |
Location and Additional Regulations | Permitted for the following uses only: churches and related facilities, educational institutions, hospitals, mobile home parks, rest homes, private recreation and PUD Associations. Only allowed on lots with 3 units or more and shall be located on the wall of a building fronting a dedicated public street. For corner lots, one sign shall be allowed for each street frontage located on an exterior building wall, facing a public street or right-of-way or located on the side of the building facing off-street parking facilities or vehicular entrance. Church/school combinations may be allowed to have one building identification sign for each use. | |
Monument Signage | ||
Size | 40 sq. ft. | |
Height | 5 feet | |
Number | 1 per lot | |
Location and Additional Regulations | Permitted for the following uses only: churches and related facilities, educational institutions, hospitals, mobile home parks, rest homes, private recreation and PUD Associations. | |
Structure to be centered in landscape planter of equal or greater size than total monument structure face area (total of largest two surfaces). The landscape planter must consist of a minimum two feet in depth around perimeter of monument structure. Monument to maintain a minimum of five feet from any right-of-way or sidewalk, and 10 feet from any driveway. Internal illumination permitted, provided no light spillover occurs off site. A graffiti resistant finish is required for the monument base. | ||
Church/school combinations, where the school is accredited for primary or secondary education by a State of California recognized accrediting agency, may have one of the following freestanding signage options: | ||
1) | A maximum of two monument signs, one for each use, separated by a minimum distance of 50 feet; or | |
2) | A pylon type sign instead of a monument sign for the school portion of the site, consisting of a maximum height of 15 feet, with a two-sided sign face not exceeding eight feet in width and five feet in height. Pylon base to be a minimum of 20% of sign width and designed to conceal structural support of a sign. Internal illumination acceptable. Sign to be located in a planter area consisting of a minimum two feet in depth around sign perimeter. Building identification signage would be limited to school name only. | |
Table 18.20.070.B Sign and Advertising for the P-A, C-C, CPD, C-G and C-M Zones | |
|---|---|
Nameplate | |
Size | 4 sq. ft. |
Height | Business Name, Address and Credit Card Accepted: Maximum 4 inches Hours of Operation: 2 inches |
Number | 1 per business |
Location and Additional Regulations | Located on store front window and front and/or rear doors fronting off-street parking facilities. |
Real Estate | |
Size | 24 sq. ft. |
Height | 6 feet |
Number | 2 per lot |
Subdivision | |
Size | 150 sq. ft. |
Height | 6 feet |
Number | 2 per tract map |
Location and Additional Regulations | Shall be located within the boundaries of the recorded tract map. |
Construction | |
Size | 50 sq. ft. |
Height | 6 feet |
Number | 1 per lot |
Directional | |
Size | 6 sq. ft. |
Height | 42 inches |
Number | 1 |
Location and Additional Regulations | Shall be located next to each driveway entrance or exit from off-street parking facilities |
Pedestrian-Oriented | |
Size | 4 sq. ft. (sign copy area 3 sq. ft. maximum) |
Number | 1 per public entrance of business |
Location and Additional Regulations | Located within 5 feet horizontal of public entrance sign is intended to serve. Shall not be closer than 15 feet from any other pedestrian-oriented sign. |
Shall maintain minimum of eight feet vertical height clearance from the bottom of the sign to the level of pedestrian walkway and no portion of the sign shall project into any driveway, off-street parking area, public right-of-way, roadway, or alley. | |
Signs shall be double-faced and limited to ground floor tenants, all portions of the sign shall project out a maximum of five feet, sign support and brackets shall be compatible and architecturally integrated, and in cases where the minimum 15-foot distance requirement between pedestrian-oriented signs cannot be accommodated approval may be granted at the discretion of the Zoning Administrator. | |
Signs shall only indicate the name of the tenant for which the sign is intended to serve; all proposals to include signage relating to services rendered or to the use conducted in the building shall be approved for façades with lengths over 50 feet at the discretion of the Zoning Administrator. | |
Building Identification, Wall-Mounted or Parallel-Projecting | |
Size | 3 sq. ft. for each front linear foot of building. 175 sq. ft. maximum |
Number | 1 per business |
Location and Additional Regulations | Shall be located on an exterior building wall fronting a public street. |
There shall be no more than 1 primary building identification sign located on the front elevation. Secondary signage may be located on the rear of such building and/or where an entrance opens onto improved off street parking facilities or onto a public alley. In the C-N, C-M and P-A zones secondary signage shall be no more than 35 square feet, in the C-G zone no more than 100 square feet. | |
Secondary signage limited to allowable commercial uses for end tenants of a commercial center and the sides of a free-standing commercial building, provided that signage fronts on a public street. | |
Where there is more than one building used for the same business, under the same control or ownership, such building may have one building identification sign pertaining and relating to such business. | |
Signs shall only indicate the name of the tenant for which the sign is intended to serve; any and all proposals to include signage relating to services rendered or to the use conducted in the building shall be approved for façades with lengths over fifty feet at the discretion of the Zoning Administrator. | |
The primary tenant occupying a single user building with street facing frontage of at least 150 feet and building size of 25,000 square feet or more will be considered an anchor tenant. Such an anchor tenant will be allowed up to two additional secondary signs located on primary frontage. Such signage must relate to the existing business located within the structure, (such as "Bakery" associated with a grocery store), or related to a separate subtenant located within the primary business (such as "XYZ Savings" with a grocery store) which has an approved office located within. Each such sign is restricted in size to a maximum of 100 square feet. Such signage must consist of single channel letter. | |
Freestanding Identification | |
Size | 1 square foot of sign area per linear foot of street frontage to a maximum of 175 sq. ft. Maximum sign area to include the combined total of each sign face. |
Height | 25 feet |
Number | 1 per lot |
Location and Additional Regulations | Shall be located on same lot with the business it is intended to serve. Freestanding identification allowed on corner lots or lots with street frontage of no less than 150 feet. |
Freestanding identification signs are only permitted when there is no more than 1 business in a building on a separate lot or parcel of land. | |
Freestanding Complex | |
Size | 2 sq. ft. for each 25 feet front linear foot of building. May increase 3 sq. ft. for each 1 foot setback from nearest property line to a maximum of 200 sq. ft. |
Height | 25 feet |
Number | 1 per lot |
Location and Additional Regulations | Shall be located on same lot with business it is intended to serve. |
Freestanding complex allowed on corner lots or lots with street frontage of no less than 150 feet. | |
Monument Signage | |
Size | 30 sq. ft. |
Height | 5 feet |
Number | 1 per lot |
Location and Additional Regulations | Monument signage shall not be permitted on lots with freestanding identification and complex signage. |
Structure to be centered in landscape planter of equal or greater size than total monument structure face area (total of largest 2 surfaces). The landscape planter must consist of a minimum 2 feet in depth around perimeter of monument structure. Monument to maintain a minimum of 5 feet from any right-of-way or sidewalk, and 10 feet from any driveway. Internal illumination permitted, provided no light spillover occurs off site. A graffiti resistant finish is required for the monument base. | |
Creative Signage | |
Regulations | See Section 18.20.080 (Creative Signage). |
Shall be located on same lot with business it is intended to serve. | |
Such signs shall only indicate the name of the tenant for which the sign is intended to serve; any and all proposals to include signage relating to services rendered or to the use conducted in the building shall be approved for façades with lengths over 50 feet at the discretion of the Zoning Administrator. | |
Window Signage | |
Size | Not to exceed 25% of any window area of each building side fronting a public street or off-street parking facility. |
Location and Additional Regulations | Shall be located within 15 feet of window(s) fronting a public street or off-street parking facility. Signage must be consolidated within 1 area. |
Merchandise display located within 5 feet of the face of the window is limited to 50%. If a combination of window signs and merchandise is displayed, the combined display shall not exceed 25%. | |
Table 18.20.070.C Sign and Advertising for the Industrial Zones | |
|---|---|
Nameplate | |
Size | 4 sq. ft. |
Number | 1 per business |
Location and Additional Regulations | Shall be located above entrance doorway. |
Real Estate | |
Size | 54 sq. ft. |
Height | 6 feet |
Number | 2 per lot |
Subdivision | |
Size | 150 sq. ft. |
Height | 12 feet |
Number | 2 per tract map |
Construction | |
Size | 54 sq. ft. |
Height | 6 feet |
Number | 1 per lot |
Directional | |
Size | 6 sq. ft. |
Height | 42 inches |
Number | 1 |
Location and Additional Regulations | Shall be located next to each driveway entrance or exit from off-street parking facilities. |
Pedestrian-Oriented | |
Size | 4 sq. ft. (sign copy area 3 sq. ft. maximum) |
Number | 1 per public entrance of business |
Location and Additional Regulations | Shall be located within 5 ft. horizontal of public entrance sign is intended to serve and shall not be closer than 15 ft. from any other pedestrian oriented sign. |
Pedestrian-oriented and parallel-projecting signs shall maintain minimum of eight feet vertical height clearance from the bottom of the sign to the level of pedestrian walkway and no portion of the sign shall project into any driveway, off-street parking area, public right-of-way, roadway, or alley. | |
Such signs shall only indicate the name of the tenant for which the sign is intended to serve; all proposals to include signage relating to services rendered or to the use conducted in the building shall be approved for façades with lengths over fifty feet at the discretion of the Zoning Administrator. | |
Building Identification, Wall-Mounted or Parallel-Projecting | |
Size | 3 sq. ft. for each front linear foot of building. 300 sq. ft. maximum |
Number | 1 per business |
Location and Additional Regulations | Shall be located on an exterior building wall fronting a public street. |
There shall be no more than one primary building identification sign located on the front elevation. Secondary signage may be located on the rear of such building and/or where an entrance opens onto improved off street parking facilities or onto a public alley. In the I-L and I-G zones secondary signage shall be no more than 150 square feet. | |
Such signs shall only indicate the name of the tenant for which the sign is intended to serve; any and all proposals to include signage relating to services rendered or to the use conducted in the building shall be approved for façades with lengths over 50 feet at the discretion of the Zoning Administrator. | |
Pedestrian-oriented and parallel-projecting signs shall maintain minimum of eight feet vertical height clearance from the bottom of the sign to the level of pedestrian walkway and no portion of the sign shall project into any driveway, off-street parking area, public right-of-way, roadway, or alley. | |
Parallel-projecting signs shall be attached to, or an integral part of a projecting architectural feature, installed parallel to and confined within the limits of the façade of the business the subject sign is intended to serve with only one display surface. Cabinet signs are not permitted as parallel-projecting signs. | |
Freestanding Complex | |
Size | 1 sq. ft. for each front linear foot of building. May increase 1 sq. ft. for each 1-foot setback from nearest property line to a maximum of 250 sq. ft. |
Height | 25 feet |
Number | 1 per lot |
Location and Additional Regulations | Shall be located on the same lot with business it is intended to serve. |
Freestanding complex allowed on corner lots or lots with street frontage of no less than 250 feet. | |
Such signs shall be located in a landscaped planting area equal in size to the total area of the sign, and such landscaped area shall be exclusive of any landscaped planting areas required for off-street parking facilities. | |
Freestanding complex signs are only permitted when there is more than one business in a building on a separate lot or parcel of land. Such sign is for the advertising of all the businesses within the complex. Individual businesses are not permitted on individual freestanding signs. | |
Such signs shall only indicate the name of the tenant for which the sign is intended to serve; any and all proposals to include signage relating to services rendered or to the use conducted in the building shall be approved for façades with lengths over 50 feet at the discretion of the Zoning Administrator. | |
Monument Signage | |
Size | 50 sq. ft. |
Height | 6 feet |
Number | 1 per business |
Location and Additional Regulations | Structure to be centered in landscape planter of equal or greater size than total monument structure face area (total of largest two surfaces). The landscape planter must consist of a minimum two feet in depth around perimeter of monument structure. Monument to maintain a minimum of five feet from any right-of-way or sidewalk, and 10 feet from any driveway. Internal illumination permitted, provided no light spillover occurs off-site. A graffiti resistant finish is required for the monument base. |
Creative Signage | |
Regulations | See Section 18.20.080 Creative Signage. |
Shall be located on the same lot with business it is intended to serve. | |
Such signs shall only indicate the name of the tenant for which the sign is intended to serve; any and all proposals to include signage relating to services rendered or to the use conducted in the building shall be approved for façades with lengths over fifty feet at the discretion of the Zoning Administrator. | |
Digital Billboard | |
Size | Maximum of 1,200 total sq. ft. per sign face |
Height | 75 feet as measured from the bottom of the electronic billboard supports to the highest point of the sign face. |
Number | 1 digital billboard structure consisting of up to 2 faces. |
Location and Additional Regulations | In any area within 60 feet of the 605 Freeway rights-of-way boundary. |
See Section 18.20.120 Digital Billboards. | |
Area 1 ![]() |
Area 2 ![]() |
Table 18.20.120.A Face Size/Distance to Point of Measurement | |
|---|---|
Face Size | Distance to Point of Measurement |
12 feet x 25 feet | 150 feet |
10.5 feet x 36 feet | 200 feet |
14 feet x 48 feet | 250 feet |
20 feet x 60 feet | 350 feet |
Table 18.21.020.A Groundborne Vibration Impact Criteria | |||
|---|---|---|---|
Land Use | Impact Levels (dB) | ||
Frequent Events (a) | Occasional Events (b) | Infrequent Events (c) | |
Uses where vibration would interfere with interior operations | 65 (d) | ||
Residential uses | 72 | 75 | 80 |
Institutional uses with primarily daytime uses | 75 | 78 | 83 |
Notes: | |
|---|---|
(a) | Frequent events is defined as more than 70 vibration events of the same source per day. |
(b) | Occasional events is defined as between 30 and 70 vibration events of the same source per day. |
(c) | Infrequent events is defined as fewer than 30 vibration events of the same source per day. |
(d) | This criterion limit is based on levels that are acceptable for most moderately sensitive equipment such as optical microscopes. Vibration-sensitive manufacturing or research will require detailed evaluation to define the acceptable vibration levels. |
Table 18.21.020.B Maximum Allowable Environmental Noise Standards | ||
|---|---|---|
Land Use | Hours of Day | |
Exterior Noise Level From Property Line Ldn/CNEL, dB | Interior Noise Level (1) Ldn/CNEL, dB | |
Residential (Low Density, Multi Family, Mixed-Use) | 65 | 45 |
Transient Lodging (Motels/Hotels) | 65 | 45 |
Schools, Libraries, Churches, Hospitals/Medical Facilities, Nursing Homes, Museums | 70 | 45 |
Theaters, Auditoriums | 70 | N/A |
Playgrounds, Parks | 70 | N/A |
Golf Courses, Riding Stables, Water Recreation | 75 | N/A |
Office Buildings, Business Commercial and Professional | 70 | N/A |
Industrial, Manufacturing, and Utilities | 75 | N/A |
![]() Figure 18.22.040.A |
![]() Figure 18.22.040.B |