General Regulations
Table 12-1 Required Buffer Yards and Screening | ||||
|---|---|---|---|---|
Where Permitted | Abutting | Minimum Required Buffer Yard Width | Minimum Required Opacity of Screening | |
Nonresidential uses in the general business districts | Residential zoning districts or a lot with an existing residential use | 35 feet | 80% | |
Nonresidential uses in the residential districts | A lot with an existing lower density residential-dwelling-type use | 25 feet | 90% | |
Higher density residential dwelling types, including mobile/manufactured home parks, except as provided in this table below | A lot with an existing lower density residential dwelling type use (e.g., 3-dwelling-unit apartment abuts a single-family detached dwelling) | 15 feet | 90% | |
Nonresidential uses or higher density residential dwelling types in the mixed use districts* | A lot with an existing lower density residential-dwelling-type use* | 5 feet* | 90%* | |
NOTES: | ||
|---|---|---|
* | Where an existing or former residential building is being proposed for reuse for a permitted nonresidential use, and where there is insufficient distance between said building and the abutting lot line to achieve the required buffer yard, there shall be no buffer yard required for the area of the lot where said building is located, as long as screening with no less than 100% opacity is provided in the area of the lot where said building is located. Remaining portions of the lot shall comply with the buffer yard and screening requirements provided for elsewhere in this section. | |
Table 12-2 Required Screen Planting Materials | ||||
|---|---|---|---|---|
Description | Minimum Height - Measured from Finished Grade | Minimum Distance - Measured on Center | Minimum/Maximum Percentage Mix of Plant Materials Used as Required Screening | |
Deciduous trees* | 6 feet | 6 feet | 10%/20% | |
Evergreen trees | 6 feet | 6 feet | 15%/25% | |
Shrubs | ||||
Deciduous shrubs | 4 feet | 3 feet | 25%/35% | |
Evergreen shrubs | 4 feet | 3 feet | 30%/40% | |
NOTES: | ||
|---|---|---|
* | Deciduous trees that are used in the planting of a buffer yard and elsewhere on the lot shall be in accordance with those identified within Chapters 370, relating to subdivision and land development, and 392, relating to shade trees. | |
Table 12-3 Noise Standards | |||
|---|---|---|---|
Land Use or Zoning District Receiving Noise | Hours/Days | Maximum Sound Level* | |
At a lot line of an existing residential use in the residential districts or mixed use districts | 7:00 a.m. to 9:00 p.m., other than Sundays, Christmas Day, Thanksgiving Day, New Year's Day, Labor Day, Memorial Day, 4th of July | 60 dBA | |
9:00 p.m. to 7:00 a.m., plus all day Sunday, Christmas Day, Thanksgiving Day, New Year's Day, Easter Sunday, Labor Day, Memorial Day, 4th of July | 52 dBA | ||
At any other lot line | All times and days | 70 dBA | |
NOTES: | ||
|---|---|---|
* | Or 10 decibels above ambient noise in any one hour, whichever is higher. | |
General Regulations
Table 12-1 Required Buffer Yards and Screening | ||||
|---|---|---|---|---|
Where Permitted | Abutting | Minimum Required Buffer Yard Width | Minimum Required Opacity of Screening | |
Nonresidential uses in the general business districts | Residential zoning districts or a lot with an existing residential use | 35 feet | 80% | |
Nonresidential uses in the residential districts | A lot with an existing lower density residential-dwelling-type use | 25 feet | 90% | |
Higher density residential dwelling types, including mobile/manufactured home parks, except as provided in this table below | A lot with an existing lower density residential dwelling type use (e.g., 3-dwelling-unit apartment abuts a single-family detached dwelling) | 15 feet | 90% | |
Nonresidential uses or higher density residential dwelling types in the mixed use districts* | A lot with an existing lower density residential-dwelling-type use* | 5 feet* | 90%* | |
NOTES: | ||
|---|---|---|
* | Where an existing or former residential building is being proposed for reuse for a permitted nonresidential use, and where there is insufficient distance between said building and the abutting lot line to achieve the required buffer yard, there shall be no buffer yard required for the area of the lot where said building is located, as long as screening with no less than 100% opacity is provided in the area of the lot where said building is located. Remaining portions of the lot shall comply with the buffer yard and screening requirements provided for elsewhere in this section. | |
Table 12-2 Required Screen Planting Materials | ||||
|---|---|---|---|---|
Description | Minimum Height - Measured from Finished Grade | Minimum Distance - Measured on Center | Minimum/Maximum Percentage Mix of Plant Materials Used as Required Screening | |
Deciduous trees* | 6 feet | 6 feet | 10%/20% | |
Evergreen trees | 6 feet | 6 feet | 15%/25% | |
Shrubs | ||||
Deciduous shrubs | 4 feet | 3 feet | 25%/35% | |
Evergreen shrubs | 4 feet | 3 feet | 30%/40% | |
NOTES: | ||
|---|---|---|
* | Deciduous trees that are used in the planting of a buffer yard and elsewhere on the lot shall be in accordance with those identified within Chapters 370, relating to subdivision and land development, and 392, relating to shade trees. | |
Table 12-3 Noise Standards | |||
|---|---|---|---|
Land Use or Zoning District Receiving Noise | Hours/Days | Maximum Sound Level* | |
At a lot line of an existing residential use in the residential districts or mixed use districts | 7:00 a.m. to 9:00 p.m., other than Sundays, Christmas Day, Thanksgiving Day, New Year's Day, Labor Day, Memorial Day, 4th of July | 60 dBA | |
9:00 p.m. to 7:00 a.m., plus all day Sunday, Christmas Day, Thanksgiving Day, New Year's Day, Easter Sunday, Labor Day, Memorial Day, 4th of July | 52 dBA | ||
At any other lot line | All times and days | 70 dBA | |
NOTES: | ||
|---|---|---|
* | Or 10 decibels above ambient noise in any one hour, whichever is higher. | |