12 GENERAL PERFORMANCE STANDARDS


[Amended via Ord. 20-013, 9/25/2020]
Figure 12.08: Representation of Minimum Dimensional Requirements Affecting Vehicular Access
| Minimum Distances/Widths A: Generally 75 to 300 feet (see Chapter 71 of Code)) B: 12 feet for one-way/24 feet for two-way (for non-residential uses) C: 20 feet (for non-residential uses) D: 10 ft for local street, 15 ft for collector street, 20 ft for arterial street E: 20 feet (on each non-hypotenuse side) F: 10 feet (8 ½ feet for end spaces) G: 18 feet H: 6 feet (where vehicles parked against walkway) |
Figure 12.10: Loading Standards
| Design Vehicle | Length in Feet | Dock Angle (a) | Clearance in Feet (D) | Berth Width in Feet (W) | Apron Space in Feet (A) | Total Offset in Feet (F) |
| Semitrailer (Model WB-40) | 50 | 90° | 50 | 10 | 63 | 113 |
| 12 | 56 | 106 | ||||
| 14 | 52 | 102 | ||||
| 60° | 44 | 10 | 46 | 90 | ||
| 12 | 40 | 84 | ||||
| 14 | 35 | 79 | ||||
| 45° | 36 | 10 | 37 | 73 | ||
| 12 | 32 | 68 | ||||
| 14 | 29 | 65 | ||||
| Semitrailer Combination (Model WB-50) | 55 | 90° | 55 | 10 | 77 | 132 |
| 12 | 72 | 127 | ||||
| 14 | 67 | 122 | ||||
| 60° | 48 | 10 | 55 | 103 | ||
| 12 | 51 | 99 | ||||
| 14 | 46 | 94 | ||||
| 45° | 39 | 10 | 45 | 84 | ||
| 12 | 40 | 79 | ||||
| 14 | 37 | 76 |

| Location | K |
| On or beyond any adjacent lot line Continuous | 0.015 |
| Impulsive | 0.030 |
| Less than 8 pulses per 24-hour period | 0.075 |
| On or beyond any residence district boundary line Continuous | 0.003 |
| Impulsive | 0.006 |
| Less than 8 pulses per 24-hour period | 0.015 |
| Location | K |
| On or beyond any residence district boundary line Continuous | 0.003 |
| Impulsive | 0.006 |
| Less than 8 pulses per 24-hour period | 0.015 |
| Zoning District | Increase in Noise Level over Ambient Level |
| All Residential Districts, RR-2, RR-5, PR, N, PD | plus 3 dBA |
| FP, AR, INT, B-1, B-2, B-3, BP, RM | plus 5 dBA |
| GI, LI | plus 8 dBA |
| * If the noise is not smooth and continuous or is present only during daytime hours, one or more of the corrections, in Figure 12.13(2) below shall be added to or subtracted from each of the decibel levels given in this figure. | |
| Type of Operation in Character of Noise | Correction in Decibels |
| Daytime operation only | plus 5 |
| Noise source operates less than 20% of any one-hour period | plus 5* |
| Noise source operates less than 5% of any one-hour period | plus 10* |
| Noise source operates less than 1% of any one-hour period | plus 15* |
| Noise of impulsive character (hammering, etc.) | minus 5 |
| Noise of periodic character (hum, speech, etc.) | minus 5 |
| * Apply only one of these corrections. | |
No land use shall cause any odor that is offensive to a person of reasonable sensibilities detectable at any lot line of any lot in a residential district for periods exceeding a total of 15 minutes of any day.
Figure 12.17: Maximum Aboveground Storage of Materials with Flammable or Explosive Vapors
| Closed Cup Flash Point (degrees Fahrenheit) | Gallons |
| Over 187 | 40,000 |
| 105—187 | 20,000 |
| Below 105 | 10,000 |
No activity shall emit electrical, radioactive or other electromagnetic disturbances outside its premises that are dangerous to plant or animal life as determined by applicable federal or state regulation or which adversely affect the use of neighboring premises such as by interfering with the use or enjoyment of common household and business equipment such as radio, television, telephone, computer or facsimile operations, except where such activity is exempt or the standard is modified under state or federal law.
12 GENERAL PERFORMANCE STANDARDS


[Amended via Ord. 20-013, 9/25/2020]
Figure 12.08: Representation of Minimum Dimensional Requirements Affecting Vehicular Access
| Minimum Distances/Widths A: Generally 75 to 300 feet (see Chapter 71 of Code)) B: 12 feet for one-way/24 feet for two-way (for non-residential uses) C: 20 feet (for non-residential uses) D: 10 ft for local street, 15 ft for collector street, 20 ft for arterial street E: 20 feet (on each non-hypotenuse side) F: 10 feet (8 ½ feet for end spaces) G: 18 feet H: 6 feet (where vehicles parked against walkway) |
Figure 12.10: Loading Standards
| Design Vehicle | Length in Feet | Dock Angle (a) | Clearance in Feet (D) | Berth Width in Feet (W) | Apron Space in Feet (A) | Total Offset in Feet (F) |
| Semitrailer (Model WB-40) | 50 | 90° | 50 | 10 | 63 | 113 |
| 12 | 56 | 106 | ||||
| 14 | 52 | 102 | ||||
| 60° | 44 | 10 | 46 | 90 | ||
| 12 | 40 | 84 | ||||
| 14 | 35 | 79 | ||||
| 45° | 36 | 10 | 37 | 73 | ||
| 12 | 32 | 68 | ||||
| 14 | 29 | 65 | ||||
| Semitrailer Combination (Model WB-50) | 55 | 90° | 55 | 10 | 77 | 132 |
| 12 | 72 | 127 | ||||
| 14 | 67 | 122 | ||||
| 60° | 48 | 10 | 55 | 103 | ||
| 12 | 51 | 99 | ||||
| 14 | 46 | 94 | ||||
| 45° | 39 | 10 | 45 | 84 | ||
| 12 | 40 | 79 | ||||
| 14 | 37 | 76 |

| Location | K |
| On or beyond any adjacent lot line Continuous | 0.015 |
| Impulsive | 0.030 |
| Less than 8 pulses per 24-hour period | 0.075 |
| On or beyond any residence district boundary line Continuous | 0.003 |
| Impulsive | 0.006 |
| Less than 8 pulses per 24-hour period | 0.015 |
| Location | K |
| On or beyond any residence district boundary line Continuous | 0.003 |
| Impulsive | 0.006 |
| Less than 8 pulses per 24-hour period | 0.015 |
| Zoning District | Increase in Noise Level over Ambient Level |
| All Residential Districts, RR-2, RR-5, PR, N, PD | plus 3 dBA |
| FP, AR, INT, B-1, B-2, B-3, BP, RM | plus 5 dBA |
| GI, LI | plus 8 dBA |
| * If the noise is not smooth and continuous or is present only during daytime hours, one or more of the corrections, in Figure 12.13(2) below shall be added to or subtracted from each of the decibel levels given in this figure. | |
| Type of Operation in Character of Noise | Correction in Decibels |
| Daytime operation only | plus 5 |
| Noise source operates less than 20% of any one-hour period | plus 5* |
| Noise source operates less than 5% of any one-hour period | plus 10* |
| Noise source operates less than 1% of any one-hour period | plus 15* |
| Noise of impulsive character (hammering, etc.) | minus 5 |
| Noise of periodic character (hum, speech, etc.) | minus 5 |
| * Apply only one of these corrections. | |
No land use shall cause any odor that is offensive to a person of reasonable sensibilities detectable at any lot line of any lot in a residential district for periods exceeding a total of 15 minutes of any day.
Figure 12.17: Maximum Aboveground Storage of Materials with Flammable or Explosive Vapors
| Closed Cup Flash Point (degrees Fahrenheit) | Gallons |
| Over 187 | 40,000 |
| 105—187 | 20,000 |
| Below 105 | 10,000 |
No activity shall emit electrical, radioactive or other electromagnetic disturbances outside its premises that are dangerous to plant or animal life as determined by applicable federal or state regulation or which adversely affect the use of neighboring premises such as by interfering with the use or enjoyment of common household and business equipment such as radio, television, telephone, computer or facsimile operations, except where such activity is exempt or the standard is modified under state or federal law.