Zoning Development Regulations
Table 13. Nonresidential Landscaping Requirements | |
Section Number | Section Title |
§ 2.09.01A.1 | Landscaping Along Perimeter |
§ 2.09.01A.2 | Internal Landscaping |
Table 14. Residential Landscaping Requirements | |
|---|---|
Section Number | Section Title |
§ 2.09.01B.1 | Multi-Family Landscaping Requirements: |
Perimeter Landscaping | |
Shrub Buffer | |
Internal Landscaping | |
§ 2.09.01B.2 | Landscaping Requirements for Single Family Developments |
Table 15. Minimum Required Queuing Spaces | |
|---|---|
Use | Queuing Spaces |
Bank or Financial Institution (with a Drive-Thru) | Four (4) stacking spaces per window or service lane |
Automobile Service Garage (Minor) | Three (3) stacking spaces per bay |
Car Wash, Full Service | Five (5) stacking spaces per bay |
Car Wash, Self Service | Two (2) stacking spaces per bay |
Car Wash, Self Service (Drying Areas and Vacuum Islands) | Two (2) stacking spaces per drying area or vacuum island |
Child Care Facility (Daycare) and Similar Child Training and Care Establishments | One (1) stacking space per twenty (20) students provided on a through "circular" drive. |
Restaurant or Cafeteria, with Drive-Thru Service | Five (5) stacking spaces for first window, order board, or other stopping point. One (1) additional stacking space shall be provided after the final window, order board, or stopping point to allow vehicles to pull clear of the transaction area prior to entering an intersecting on-site driveway or maneuvering aisle. |
Any Other Retail or Service Use with a Drive-Thru Window | Three (3) stacking spaces for first service window. One (1) additional stacking space shall be provided after the final window, order board, or stopping point to allow vehicles to pull clear of the transaction area prior to entering an intersecting on-site driveway or maneuvering aisle. |
School, Private or Public | The number of stacking spaces shall be determined during Site Plan review. |
Table 16. Bike Parking Requirements | |
|---|---|
Use | Minimum Number of Bike Parking Spaces |
Residential (1-4 units) | 0 |
Residential (5+ units) | 2, plus 1 per 10 living units |
Retail | 2, plus 1 per 5,000 sqft, maximum 7 |
Office | 2, plus 1 per 5,000 sqft, maximum 7 |
Park | 2, plus 1 per acre of land, maximum 15 |
Public (other than a park) | 2, plus 1 per 5,000 sqft, maximum 7 |
Industrial | 2, plus 1 per 10,000 sqft, maximum 7 |
Agriculture/Open Space | 0 |
Table 17. Requirements for Accessory Structures on Residential Lots | |||
|---|---|---|---|
Lots up to 7,500 sq. ft. | Lots up to 1 acre | Lots over 1 acre | |
Maximum Number of Accessory Structures | 2 | 2 | 5 |
Maximum Floor Area of All Accessory Structures Combined | 484 sq ft | 1,000 sq ft | Standards of Building Coverage provided in section 2.07.01 apply for all structures |
Maximum Height | 18' | 25' | N/A |
Minimum Front Setback | Behind the front facade of the main building | Behind the front facade of the main building | Behind the front facade of the main building |
Minimum Side and Rear Setback | 10' if height does not exceed 20'; otherwise same standards as main building | 10' if height does not exceed 20'; otherwise same standards as main building | 10' if height does not exceed 20'; otherwise same standards as main building |
Table 18. Requirements for Accessory Structures on Nonresidential Lots | |
|---|---|
All Nonresidential Lots | |
Maximum Number of Accessory Structures | 3 |
Maximum Floor Area of All Accessory Structures Combined | 50% of the ground floor area of the main structure |
Maximum Height | Equal to or less than the main building |
Minimum Front Setback | Behind the front facade of the main building |
Minimum Side and Rear Setback | Same standards as the main building |
Clustering | |
|---|---|
Intent | Provide open space accessible to the public in residential developments by allowing reductions to the minimum lot area to either maintain or increase overall density. |
Preserve natural features, decrease impervious cover, and create unique neighborhoods. | |
Requirements | Area | 5 acre minimum area for development |
Open Space Area | At least 30% of the site must be open space, in addition to park land dedication requirements (see section 4.04.02.). | |
Modifications | First, calculate the number of dwelling units permitted on the site based on the zoning district using the net buildable area. |
If at least 30% of the site is conserved, then the number of units in the development may be up to or equal to the number of units that would be permitted with traditional development. | |
If at least 40% of the site is conserved, then an increase of 10% in the number of units is permitted. | |
All dimensions are as required by Subsection 2.07, Zoning Dimensional Regulations, except: | |
• Lot area: None | |
• Lot width: 25' min | |
• Lot depth: None | |
• Street frontage: 20' min | |
• Front yard setback: 10' min | |
• Porches may be located up to 5' from the front property line (provided it does not interfere with utility easements) | |
• Rear yard setback with alleys: 10' min | |
• Building separation: 14' min/10' min if zero lot line placement is used | |
Homes are required to meet only three (3) of the elements required by section 2.09.08C, Single Family Residential Element Options. | |
Figure 33. Pocket Neighborhoods Examples | |
![]() | ![]() |
Source: Pocket Neighborhoods: Creating Small-Scale Community in a Large-Scale World by Ross Chaplin | |
Pocket Neighborhoods | |
|---|---|
Intent | Encourage residents to interact with their neighbors by sharing a centralized common area consisting of greenspace, park area, or community gardens instead of private backyards. |
Typically smaller scale single family dwellings. | |
See Pocket Neighborhoods: Creating Small-Scale Community in a Large-Scale World by Ross Chaplin for additional information on this development style. | |
Requirements | Districts | Not appropriate for the Agricultural (AG) District or the Estate Residential (R-1) District |
Number | Neighborhood must include 6-20 homes | |
Common Area | Centralized greenspace of 400 sqft per unit, maintained by HOA | |
Orientation | Development must front onto the common area | |
Connectivity | All homes must be connected with a sidewalk | |
Porch | All homes must have a front porch of at least 80 sqft and 8' deep | |
Access | All parking, streets, garages, and alleys shall be located behind the homes, out of view from the common area, with no more than 6 adjoining spaces | |
Modifications | All dimensions are as required by Subsection 2.07, Zoning Dimensional Regulations, except: |
• Lot area: None | |
• Maximum DUA: 12 | |
• Lot width: 20' min | |
• Lot depth: None | |
• Front yard setback: 10' | |
• Porches may be located up to 5' from the front property line (provided it does not interfere with utility easements) | |
• Rear yard setback: 10' min | |
• Building separation: 14' min/10' min if zero lot line placement is used | |
• Building footprint: 1,200 sqft max plus 500 sqft max for garage | |
• Dwelling size: 1,800 sqft max | |
Homes are required to meet only three (3) of the elements required by section 2.09.08C, Single Family Residential Element Options. | |
Low Impact Design | |
|---|---|
Intent | Encourage water conservation, reduce energy costs, and provide a unique style of development. |
Requirements | Options | Implement at least 4 of the element options in addition to the required elements in Table 22. |
Low Impact Design Element Options (on page 155) throughout the development | |
Modifications | All dimensions are as required by Subsection 2.07, Zoning Dimensional Regulations, except: |
• Front yard setback: Reduced 50% (but setback must be at least 7') | |
• Lot area: Reduced 10% | |
Park land dedication required by section 4.04.02, may be reduced by 25% | |
Fee waivers, technical assistance, and fast track reviews may be available for certain developments; see the Development Services Director for more information | |
Homes are required to meet only three (3) of the element options required by section 2.09.08C, Single Family Residential Element Options. | |
Traditional Neighborhood Design | |
|---|---|
Intent | Incorporate a blend of housing types and land uses into one area at a neighborhood scale. |
The traditional development style leading up to WWII, before the rise of sprawling subdivisions. | |
Create developments that are compact, pedestrian-oriented, and promote a traditional, small-town atmosphere. | |
Requirements | Number | At least 100 dwelling units per development |
Variety | At least 25% of the lots must incorporate a housing type other than Single Family (Detached) | |
Access | All homes must be accessed by an alley; front- and side-entry garages are prohibited, except for side-entry garages on corner lots | |
Detail | All windows visible from public ROW must have muntins and include a type of exterior architectural detail (i.e., shutters, detailed window cornices, or dormer) | |
Porch | All homes must have a front porch of at least 80 sqft and 8' deep | |
Grid | Neighborhood design must be of a grid-like connected pattern; cul-de-sacs are prohibited unless unavoidable due to topography or other natural features as determined by the Development Services Director | |
Blocks | Blocks must be between 200-400' in width and 400-800' in length | |
Open Space Area | At least 15% of the total site acreage must be common open space (may count undevelopable areas toward up to 75% of this required open space) | |
Open Space Access | At least 90% of the homes must be within 1/4 mile of the open space | |
Characteristics | Homes are required to meet only three (3) of the element options required by section 2.09.08C, Single Family Residential Element Options. |
100% of the exterior building materials may be cement fiber board or Board and Batten style materials. | |
Table 19. Menu of Nonresidential Design Element Options | |
|---|---|
# | Element |
1 | Canopies, awnings, or porticos |
2 | Overhangs |
3 | Recesses or projections |
4 | Arcades |
5 | Peaked roof forms |
6 | Arches |
7 | Outdoor patios |
8 | Display windows |
9 | Architectural details (e.g., tile work or moldings, integrated into the building facade) |
10 | Integrated planters or wing walls that incorporate landscape and sitting areas |
11 | Offsets, reveals, or projecting ribs used to express architectural or structural bays |
Table 20. Required Minimum Number of Design Element Options | |
|---|---|
Building Square Footage | Minimum Number of Design Elements |
0 - 50,000 sqft | 3 |
50,001 - 100,000 sqft | 5 |
Over 100,001 sqft | 7 |
Table 22. Low Impact Design Element Options | |
Requirements | |
Irrigation | All irrigation must use a drip system or soaker hose unless utilizing only harvested rainwater |
Low-Flow | All fixtures must be WaterSense certified |
Topography | Avoid cut-and-fill construction methods and maintain existing drainage flow patterns |
Xeriscape | All landscaping must be native/drought-tolerant; less than 1,000 sqft of turf grass per lot |
Alternatives | |
Cool Roof | All roof surfaces are a "white" or "green" design White roof: Roof painted with solar reflective white coating that reflects at least 80% of sunlight to maintain the home at a cooler temperature Green roof: Layer of vegetation on the entire rooftop to reduce heating and cooling costs, improve water quality, and reduce runoff; structural analysis of roof support required |
Connectivity | No dead end streets or cul-de-sacs |
Conservation | At least 25% of the site is conserved in a natural state, excluding nature trails |
Cover | Use at least 20% less than the maximum impervious cover allowed by district |
Drainage | Disperse drainage and minimize the velocity of concentrated water flows through the use of check dams or landscaping and direct sheet flow to areas of vegetation |
Erosion | Utilize a minimum of two permanent erosion control techniques (e.g., filter strip, inlet protection) along all streets and sidewalks to minimize sedimentation in nearby streams and water bodies |
Garden | Provide a community garden maintained by an HOA or similar entity |
Infill | Entire site is located in a redevelopment area with infrastructure available or nearby; no greenfield development |
Permeable | Use pervious or semi-pervious surfaces that allow water to infiltrate in all on-site hardscape pedestrian areas |
Rainwater | All structures are constructed with rainwater harvesting facilities at downspout disconnects for reuse with landscaping irrigation or toilets; harvesting facilities must be able to accommodate at least 20% of the volume generated by a 1" storm based on the roof area |
Recycled | Use only recycled materials including asphalt for roadways, as approved by City Engineer |
Runoff | Use at least two permanent natural infiltration methods (multi-layered plantings, planter boxes, bioswales, bioretention, ponds, tree box filters, and constructed wetlands) to treat and filter run-off |
Solar | At least 1.5 photovoltaic kW per residential unit (average for entire development) or 2.5 kW per 1,000 sqft of nonresidential rooftop. |
Miscellaneous | Other site development controls as approved by the Development Services Director |
Table 23. Maximum Permissible Daytime* Noise Limits | |
|---|---|
Octave Band (cps) | Decibel Band Limit (db re 0.0002 microbar) |
37 - 75 | 86 |
75 - 150 | 76 |
150 - 300 | 70 |
300 - 600 | 65 |
600 - 1,200 | 63 |
1,200 - 2,400 | 58 |
2,400 - 4,800 | 55 |
4,800 - 9,600 | 53 |
A Scale | 65 |
Note: "A Scale" levels are provided for monitoring purposes only and are not applicable to detailed sound analysis. |
Table 24. Maximum Permissible Displacement Limits | |
Frequency (cps) | Displacement (inches) |
0 - 10 | 0.0010 |
10 - 20 | 0.0008 |
20 - 30 | 0.0005 |
30 - 40 | 0.0004 |
40 and over | 0.0003 |
Zoning Development Regulations
Table 13. Nonresidential Landscaping Requirements | |
Section Number | Section Title |
§ 2.09.01A.1 | Landscaping Along Perimeter |
§ 2.09.01A.2 | Internal Landscaping |
Table 14. Residential Landscaping Requirements | |
|---|---|
Section Number | Section Title |
§ 2.09.01B.1 | Multi-Family Landscaping Requirements: |
Perimeter Landscaping | |
Shrub Buffer | |
Internal Landscaping | |
§ 2.09.01B.2 | Landscaping Requirements for Single Family Developments |
Table 15. Minimum Required Queuing Spaces | |
|---|---|
Use | Queuing Spaces |
Bank or Financial Institution (with a Drive-Thru) | Four (4) stacking spaces per window or service lane |
Automobile Service Garage (Minor) | Three (3) stacking spaces per bay |
Car Wash, Full Service | Five (5) stacking spaces per bay |
Car Wash, Self Service | Two (2) stacking spaces per bay |
Car Wash, Self Service (Drying Areas and Vacuum Islands) | Two (2) stacking spaces per drying area or vacuum island |
Child Care Facility (Daycare) and Similar Child Training and Care Establishments | One (1) stacking space per twenty (20) students provided on a through "circular" drive. |
Restaurant or Cafeteria, with Drive-Thru Service | Five (5) stacking spaces for first window, order board, or other stopping point. One (1) additional stacking space shall be provided after the final window, order board, or stopping point to allow vehicles to pull clear of the transaction area prior to entering an intersecting on-site driveway or maneuvering aisle. |
Any Other Retail or Service Use with a Drive-Thru Window | Three (3) stacking spaces for first service window. One (1) additional stacking space shall be provided after the final window, order board, or stopping point to allow vehicles to pull clear of the transaction area prior to entering an intersecting on-site driveway or maneuvering aisle. |
School, Private or Public | The number of stacking spaces shall be determined during Site Plan review. |
Table 16. Bike Parking Requirements | |
|---|---|
Use | Minimum Number of Bike Parking Spaces |
Residential (1-4 units) | 0 |
Residential (5+ units) | 2, plus 1 per 10 living units |
Retail | 2, plus 1 per 5,000 sqft, maximum 7 |
Office | 2, plus 1 per 5,000 sqft, maximum 7 |
Park | 2, plus 1 per acre of land, maximum 15 |
Public (other than a park) | 2, plus 1 per 5,000 sqft, maximum 7 |
Industrial | 2, plus 1 per 10,000 sqft, maximum 7 |
Agriculture/Open Space | 0 |
Table 17. Requirements for Accessory Structures on Residential Lots | |||
|---|---|---|---|
Lots up to 7,500 sq. ft. | Lots up to 1 acre | Lots over 1 acre | |
Maximum Number of Accessory Structures | 2 | 2 | 5 |
Maximum Floor Area of All Accessory Structures Combined | 484 sq ft | 1,000 sq ft | Standards of Building Coverage provided in section 2.07.01 apply for all structures |
Maximum Height | 18' | 25' | N/A |
Minimum Front Setback | Behind the front facade of the main building | Behind the front facade of the main building | Behind the front facade of the main building |
Minimum Side and Rear Setback | 10' if height does not exceed 20'; otherwise same standards as main building | 10' if height does not exceed 20'; otherwise same standards as main building | 10' if height does not exceed 20'; otherwise same standards as main building |
Table 18. Requirements for Accessory Structures on Nonresidential Lots | |
|---|---|
All Nonresidential Lots | |
Maximum Number of Accessory Structures | 3 |
Maximum Floor Area of All Accessory Structures Combined | 50% of the ground floor area of the main structure |
Maximum Height | Equal to or less than the main building |
Minimum Front Setback | Behind the front facade of the main building |
Minimum Side and Rear Setback | Same standards as the main building |
Clustering | |
|---|---|
Intent | Provide open space accessible to the public in residential developments by allowing reductions to the minimum lot area to either maintain or increase overall density. |
Preserve natural features, decrease impervious cover, and create unique neighborhoods. | |
Requirements | Area | 5 acre minimum area for development |
Open Space Area | At least 30% of the site must be open space, in addition to park land dedication requirements (see section 4.04.02.). | |
Modifications | First, calculate the number of dwelling units permitted on the site based on the zoning district using the net buildable area. |
If at least 30% of the site is conserved, then the number of units in the development may be up to or equal to the number of units that would be permitted with traditional development. | |
If at least 40% of the site is conserved, then an increase of 10% in the number of units is permitted. | |
All dimensions are as required by Subsection 2.07, Zoning Dimensional Regulations, except: | |
• Lot area: None | |
• Lot width: 25' min | |
• Lot depth: None | |
• Street frontage: 20' min | |
• Front yard setback: 10' min | |
• Porches may be located up to 5' from the front property line (provided it does not interfere with utility easements) | |
• Rear yard setback with alleys: 10' min | |
• Building separation: 14' min/10' min if zero lot line placement is used | |
Homes are required to meet only three (3) of the elements required by section 2.09.08C, Single Family Residential Element Options. | |
Figure 33. Pocket Neighborhoods Examples | |
![]() | ![]() |
Source: Pocket Neighborhoods: Creating Small-Scale Community in a Large-Scale World by Ross Chaplin | |
Pocket Neighborhoods | |
|---|---|
Intent | Encourage residents to interact with their neighbors by sharing a centralized common area consisting of greenspace, park area, or community gardens instead of private backyards. |
Typically smaller scale single family dwellings. | |
See Pocket Neighborhoods: Creating Small-Scale Community in a Large-Scale World by Ross Chaplin for additional information on this development style. | |
Requirements | Districts | Not appropriate for the Agricultural (AG) District or the Estate Residential (R-1) District |
Number | Neighborhood must include 6-20 homes | |
Common Area | Centralized greenspace of 400 sqft per unit, maintained by HOA | |
Orientation | Development must front onto the common area | |
Connectivity | All homes must be connected with a sidewalk | |
Porch | All homes must have a front porch of at least 80 sqft and 8' deep | |
Access | All parking, streets, garages, and alleys shall be located behind the homes, out of view from the common area, with no more than 6 adjoining spaces | |
Modifications | All dimensions are as required by Subsection 2.07, Zoning Dimensional Regulations, except: |
• Lot area: None | |
• Maximum DUA: 12 | |
• Lot width: 20' min | |
• Lot depth: None | |
• Front yard setback: 10' | |
• Porches may be located up to 5' from the front property line (provided it does not interfere with utility easements) | |
• Rear yard setback: 10' min | |
• Building separation: 14' min/10' min if zero lot line placement is used | |
• Building footprint: 1,200 sqft max plus 500 sqft max for garage | |
• Dwelling size: 1,800 sqft max | |
Homes are required to meet only three (3) of the elements required by section 2.09.08C, Single Family Residential Element Options. | |
Low Impact Design | |
|---|---|
Intent | Encourage water conservation, reduce energy costs, and provide a unique style of development. |
Requirements | Options | Implement at least 4 of the element options in addition to the required elements in Table 22. |
Low Impact Design Element Options (on page 155) throughout the development | |
Modifications | All dimensions are as required by Subsection 2.07, Zoning Dimensional Regulations, except: |
• Front yard setback: Reduced 50% (but setback must be at least 7') | |
• Lot area: Reduced 10% | |
Park land dedication required by section 4.04.02, may be reduced by 25% | |
Fee waivers, technical assistance, and fast track reviews may be available for certain developments; see the Development Services Director for more information | |
Homes are required to meet only three (3) of the element options required by section 2.09.08C, Single Family Residential Element Options. | |
Traditional Neighborhood Design | |
|---|---|
Intent | Incorporate a blend of housing types and land uses into one area at a neighborhood scale. |
The traditional development style leading up to WWII, before the rise of sprawling subdivisions. | |
Create developments that are compact, pedestrian-oriented, and promote a traditional, small-town atmosphere. | |
Requirements | Number | At least 100 dwelling units per development |
Variety | At least 25% of the lots must incorporate a housing type other than Single Family (Detached) | |
Access | All homes must be accessed by an alley; front- and side-entry garages are prohibited, except for side-entry garages on corner lots | |
Detail | All windows visible from public ROW must have muntins and include a type of exterior architectural detail (i.e., shutters, detailed window cornices, or dormer) | |
Porch | All homes must have a front porch of at least 80 sqft and 8' deep | |
Grid | Neighborhood design must be of a grid-like connected pattern; cul-de-sacs are prohibited unless unavoidable due to topography or other natural features as determined by the Development Services Director | |
Blocks | Blocks must be between 200-400' in width and 400-800' in length | |
Open Space Area | At least 15% of the total site acreage must be common open space (may count undevelopable areas toward up to 75% of this required open space) | |
Open Space Access | At least 90% of the homes must be within 1/4 mile of the open space | |
Characteristics | Homes are required to meet only three (3) of the element options required by section 2.09.08C, Single Family Residential Element Options. |
100% of the exterior building materials may be cement fiber board or Board and Batten style materials. | |
Table 19. Menu of Nonresidential Design Element Options | |
|---|---|
# | Element |
1 | Canopies, awnings, or porticos |
2 | Overhangs |
3 | Recesses or projections |
4 | Arcades |
5 | Peaked roof forms |
6 | Arches |
7 | Outdoor patios |
8 | Display windows |
9 | Architectural details (e.g., tile work or moldings, integrated into the building facade) |
10 | Integrated planters or wing walls that incorporate landscape and sitting areas |
11 | Offsets, reveals, or projecting ribs used to express architectural or structural bays |
Table 20. Required Minimum Number of Design Element Options | |
|---|---|
Building Square Footage | Minimum Number of Design Elements |
0 - 50,000 sqft | 3 |
50,001 - 100,000 sqft | 5 |
Over 100,001 sqft | 7 |
Table 22. Low Impact Design Element Options | |
Requirements | |
Irrigation | All irrigation must use a drip system or soaker hose unless utilizing only harvested rainwater |
Low-Flow | All fixtures must be WaterSense certified |
Topography | Avoid cut-and-fill construction methods and maintain existing drainage flow patterns |
Xeriscape | All landscaping must be native/drought-tolerant; less than 1,000 sqft of turf grass per lot |
Alternatives | |
Cool Roof | All roof surfaces are a "white" or "green" design White roof: Roof painted with solar reflective white coating that reflects at least 80% of sunlight to maintain the home at a cooler temperature Green roof: Layer of vegetation on the entire rooftop to reduce heating and cooling costs, improve water quality, and reduce runoff; structural analysis of roof support required |
Connectivity | No dead end streets or cul-de-sacs |
Conservation | At least 25% of the site is conserved in a natural state, excluding nature trails |
Cover | Use at least 20% less than the maximum impervious cover allowed by district |
Drainage | Disperse drainage and minimize the velocity of concentrated water flows through the use of check dams or landscaping and direct sheet flow to areas of vegetation |
Erosion | Utilize a minimum of two permanent erosion control techniques (e.g., filter strip, inlet protection) along all streets and sidewalks to minimize sedimentation in nearby streams and water bodies |
Garden | Provide a community garden maintained by an HOA or similar entity |
Infill | Entire site is located in a redevelopment area with infrastructure available or nearby; no greenfield development |
Permeable | Use pervious or semi-pervious surfaces that allow water to infiltrate in all on-site hardscape pedestrian areas |
Rainwater | All structures are constructed with rainwater harvesting facilities at downspout disconnects for reuse with landscaping irrigation or toilets; harvesting facilities must be able to accommodate at least 20% of the volume generated by a 1" storm based on the roof area |
Recycled | Use only recycled materials including asphalt for roadways, as approved by City Engineer |
Runoff | Use at least two permanent natural infiltration methods (multi-layered plantings, planter boxes, bioswales, bioretention, ponds, tree box filters, and constructed wetlands) to treat and filter run-off |
Solar | At least 1.5 photovoltaic kW per residential unit (average for entire development) or 2.5 kW per 1,000 sqft of nonresidential rooftop. |
Miscellaneous | Other site development controls as approved by the Development Services Director |
Table 23. Maximum Permissible Daytime* Noise Limits | |
|---|---|
Octave Band (cps) | Decibel Band Limit (db re 0.0002 microbar) |
37 - 75 | 86 |
75 - 150 | 76 |
150 - 300 | 70 |
300 - 600 | 65 |
600 - 1,200 | 63 |
1,200 - 2,400 | 58 |
2,400 - 4,800 | 55 |
4,800 - 9,600 | 53 |
A Scale | 65 |
Note: "A Scale" levels are provided for monitoring purposes only and are not applicable to detailed sound analysis. |
Table 24. Maximum Permissible Displacement Limits | |
Frequency (cps) | Displacement (inches) |
0 - 10 | 0.0010 |
10 - 20 | 0.0008 |
20 - 30 | 0.0005 |
30 - 40 | 0.0004 |
40 and over | 0.0003 |