DEVELOPMENT STANDARDS
Square Feet of Gross Floor Area in Structure | Minimum Required Spaces or Berths |
|---|---|
0 to 10,000 | None |
10,001 to 50,000 | 1 |
50,001 to 100,000 | 2 |
100,001 to 200,000 | 3 |
Each additional 100,000 | 1 additional |
Circumference of Existing Tree | Credit Against Tree Requirement |
|---|---|
6" to 8" | 1.0 tree |
9" to 30" | 1.5 trees |
31" to 46" | 2.0 trees |
47" or more | 3.0 trees |
Size of Protected Tree | Mitigation Ratio (in caliper inches) |
|---|---|
Less than 10" | No mitigation |
10" to 18" | 1:1 |
18" to 25" | 2:1 |
Greater than 25" | 3:1 |
Caliper Size Tree | Positive Credits* |
|---|---|
6" to 10" | 1:1 |
10" to 18" | 3:1 |
18" to 24" | 4:1 |
Greater than 24" | 5:1 |
* | (1 credit is equal to on 3" caliper tree) |
Zoning District | Maximum Permissible daytime Decibel Limit at Bounding property Line | Maximum Permissible daytime Decibel Limit at nearest Specified Zoning District Line |
|---|---|---|
Uses located in Residential Districts (A, SF-CE, SF-E, SF-20 through SF-8, 2-F, SF-A, MF, MH) | 56 dBA | 56 dBA |
Uses located in Nonresidential Districts, excluding Industrial/Heavy Commercial Districts (O-1, (O-2, NS, GR, C-1) | 63 dBA | 56 dBA at residential zoning district boundaries, 63 dBA at nonresidential Districts excluding Industrial Districts. |
Uses located in Industrial or Heavy Commercial Districts (C-2, LI, I) | 70 dBA | 56 dBA at residential zoning district boundaries, 63 dBA at nonresidential Districts excluding Industrial Districts. |
Planned Development Districts or portions thereof used for residential Uses | 56 dBA | 56 dBA |
Planned Development Districts or portions thereof used for nonresidential uses | 63 dBA | 56 dBA at residential zoning district boundaries, 63 dBA at nonresidential Districts excluding Industrial Districts. |
Planned Development Districts or portions thereof used for industrial/heavy commercial uses | 70 dBA | 56 dBA at residential zoning district boundaries, 63 dBA at nonresidential Districts excluding Industrial Districts. |
Noise has an "on time" of no more than: | and an "off time" between successive "on times" of at least | Decibels added to permitted noise level |
|---|---|---|
0.5 minutes | one half hour | 10 |
5.0 minutes | one hour | 10 |
10.0 minutes | two hours | 10 |
20.0 minutes | four hours | 10 |
"Off time" is when the level of the primary noise being measured does not exceed that of the background noise by more than five dBA. |
Frequency Cycles Per Second | Displacement in inches |
|---|---|
0 to 10 | 0.0010 |
10 to 20 | 0.0008 |
20 to 30 | 0.0005 |
30 to 40 | 0.0004 |
40 and over | 0.0003 |
DEVELOPMENT STANDARDS
Square Feet of Gross Floor Area in Structure | Minimum Required Spaces or Berths |
|---|---|
0 to 10,000 | None |
10,001 to 50,000 | 1 |
50,001 to 100,000 | 2 |
100,001 to 200,000 | 3 |
Each additional 100,000 | 1 additional |
Circumference of Existing Tree | Credit Against Tree Requirement |
|---|---|
6" to 8" | 1.0 tree |
9" to 30" | 1.5 trees |
31" to 46" | 2.0 trees |
47" or more | 3.0 trees |
Size of Protected Tree | Mitigation Ratio (in caliper inches) |
|---|---|
Less than 10" | No mitigation |
10" to 18" | 1:1 |
18" to 25" | 2:1 |
Greater than 25" | 3:1 |
Caliper Size Tree | Positive Credits* |
|---|---|
6" to 10" | 1:1 |
10" to 18" | 3:1 |
18" to 24" | 4:1 |
Greater than 24" | 5:1 |
* | (1 credit is equal to on 3" caliper tree) |
Zoning District | Maximum Permissible daytime Decibel Limit at Bounding property Line | Maximum Permissible daytime Decibel Limit at nearest Specified Zoning District Line |
|---|---|---|
Uses located in Residential Districts (A, SF-CE, SF-E, SF-20 through SF-8, 2-F, SF-A, MF, MH) | 56 dBA | 56 dBA |
Uses located in Nonresidential Districts, excluding Industrial/Heavy Commercial Districts (O-1, (O-2, NS, GR, C-1) | 63 dBA | 56 dBA at residential zoning district boundaries, 63 dBA at nonresidential Districts excluding Industrial Districts. |
Uses located in Industrial or Heavy Commercial Districts (C-2, LI, I) | 70 dBA | 56 dBA at residential zoning district boundaries, 63 dBA at nonresidential Districts excluding Industrial Districts. |
Planned Development Districts or portions thereof used for residential Uses | 56 dBA | 56 dBA |
Planned Development Districts or portions thereof used for nonresidential uses | 63 dBA | 56 dBA at residential zoning district boundaries, 63 dBA at nonresidential Districts excluding Industrial Districts. |
Planned Development Districts or portions thereof used for industrial/heavy commercial uses | 70 dBA | 56 dBA at residential zoning district boundaries, 63 dBA at nonresidential Districts excluding Industrial Districts. |
Noise has an "on time" of no more than: | and an "off time" between successive "on times" of at least | Decibels added to permitted noise level |
|---|---|---|
0.5 minutes | one half hour | 10 |
5.0 minutes | one hour | 10 |
10.0 minutes | two hours | 10 |
20.0 minutes | four hours | 10 |
"Off time" is when the level of the primary noise being measured does not exceed that of the background noise by more than five dBA. |
Frequency Cycles Per Second | Displacement in inches |
|---|---|
0 to 10 | 0.0010 |
10 to 20 | 0.0008 |
20 to 30 | 0.0005 |
30 to 40 | 0.0004 |
40 and over | 0.0003 |