Supplementary Regulations
Unit Type | Lot Area (square feet) Per Dwelling Unit | Lot Width (feet) | Per Dwelling Unit | Front Yard | Side Yard | Rear Yard |
|---|---|---|---|---|---|---|
Single-family | 7,500 | 60 | ** | * | 15 | |
Single-family semidetached | 5,625 | 40 | ** | * | 15 | |
Row dwelling | 4,875 | 20 | ** | * | 15 | |
Multifamily | 4,875 | 20 | ** | * | 15 |
* | To maximize the flexibility in lot layout and design, side setbacks shall be calculated based on maintaining a minimum between structures of 20 feet. The 20 feet may be shown in whole or in part on one lot but must be clearly delineated on the Subdivision or Land Development Plan. |
** | Thirty-five feet from edge of street right-of-way unless vehicular access to the rear of the lot is provided, in which case the required front yard shall be 35 feet from the edge of the street cartway. |
Density Determination | ||
|---|---|---|
Housing Types | Minimum Lot Area Per Unit (feet2) | Unit Density Factor (unit/acre) |
Single-family dwelling | 7,500 | 2.9 |
Single-family semidetached per building | 11,250 | 3.9 |
Single-family semidetached dwelling per dwelling unit | 5,625 | 3.9 |
Multifamily dwelling per dwelling unit | 4,875 | 4.47 |
SCENARIO [120 acres, 100 developable acres, 72 building acres (60% of 120 = 72)] |
Housing Combinations | Proposed Number of Units |
|---|---|
100% single-family dwelling units | 290 |
100% single family semidetached units | 390 |
100% multifamily units | Not permitted |
50% single-family dwelling units 50% single-family semidetached units Total | 145 195 340 |
50% single-family semidetached units 50% multifamily units Total | 195 (223 reduced to 50% of total) = 195 390 |
30% single-family units 30% single-family semidetached 40% multifamily units Total | 87 117 178 382 |
Center Frequency (cycles per second) | Maximum Sound-Pressure Level (decibels) |
|---|---|
31.5 | 65 |
63 | 67 |
125 | 66 |
250 | 59 |
500 | 52 |
1,000 | 46 |
2,000 | 37 |
4,000 | 26 |
8,000 | 17 |
(Sound pressure level in decibels equals 0.002 dyne/cm) | |
PV = 6.28 F X D |
Where: | ||
PV | = | Particle velocity, inches per second |
F | = | Vibration frequency, cycles per second |
D | = | Single amplitude displacement of the vibration inches |
Maximum Ground Transmitted Vibration | ||
|---|---|---|
Zoning District | Particle Velocity Adjacent (lot line) | (inches/second) |
Conservation, agricultural and residential | 0.05 | 0.02 |
Commercial and industrial | 0.10 | 0.02 |
Supplementary Regulations
Unit Type | Lot Area (square feet) Per Dwelling Unit | Lot Width (feet) | Per Dwelling Unit | Front Yard | Side Yard | Rear Yard |
|---|---|---|---|---|---|---|
Single-family | 7,500 | 60 | ** | * | 15 | |
Single-family semidetached | 5,625 | 40 | ** | * | 15 | |
Row dwelling | 4,875 | 20 | ** | * | 15 | |
Multifamily | 4,875 | 20 | ** | * | 15 |
* | To maximize the flexibility in lot layout and design, side setbacks shall be calculated based on maintaining a minimum between structures of 20 feet. The 20 feet may be shown in whole or in part on one lot but must be clearly delineated on the Subdivision or Land Development Plan. |
** | Thirty-five feet from edge of street right-of-way unless vehicular access to the rear of the lot is provided, in which case the required front yard shall be 35 feet from the edge of the street cartway. |
Density Determination | ||
|---|---|---|
Housing Types | Minimum Lot Area Per Unit (feet2) | Unit Density Factor (unit/acre) |
Single-family dwelling | 7,500 | 2.9 |
Single-family semidetached per building | 11,250 | 3.9 |
Single-family semidetached dwelling per dwelling unit | 5,625 | 3.9 |
Multifamily dwelling per dwelling unit | 4,875 | 4.47 |
SCENARIO [120 acres, 100 developable acres, 72 building acres (60% of 120 = 72)] |
Housing Combinations | Proposed Number of Units |
|---|---|
100% single-family dwelling units | 290 |
100% single family semidetached units | 390 |
100% multifamily units | Not permitted |
50% single-family dwelling units 50% single-family semidetached units Total | 145 195 340 |
50% single-family semidetached units 50% multifamily units Total | 195 (223 reduced to 50% of total) = 195 390 |
30% single-family units 30% single-family semidetached 40% multifamily units Total | 87 117 178 382 |
Center Frequency (cycles per second) | Maximum Sound-Pressure Level (decibels) |
|---|---|
31.5 | 65 |
63 | 67 |
125 | 66 |
250 | 59 |
500 | 52 |
1,000 | 46 |
2,000 | 37 |
4,000 | 26 |
8,000 | 17 |
(Sound pressure level in decibels equals 0.002 dyne/cm) | |
PV = 6.28 F X D |
Where: | ||
PV | = | Particle velocity, inches per second |
F | = | Vibration frequency, cycles per second |
D | = | Single amplitude displacement of the vibration inches |
Maximum Ground Transmitted Vibration | ||
|---|---|---|
Zoning District | Particle Velocity Adjacent (lot line) | (inches/second) |
Conservation, agricultural and residential | 0.05 | 0.02 |
Commercial and industrial | 0.10 | 0.02 |