Figure 510-92: Vision Clearance Triangle Standards
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---|---|---|
Right-of-Way Width
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Distance From Right-of-Way Intersection
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Less than or equal to 66 feet
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10 feet
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Greater than or equal to 67 feet
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20 Feet
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Figure 510-93A: Parking Layout Dimensions
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---|---|---|---|---|---|---|---|
Parking Angle in Degrees
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Minimum Permitted Dimensions
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0°
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45°
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60°
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75°
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90°
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Stall width at parking angle (SW) (feet)
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9.0
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9.0
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9.0
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9.0
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9.0
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Stall width parallel to aisle (WP) (feet)
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17
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12.7
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10.4
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9.3
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9.0
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Stall depth to wall (D) (feet)
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9.01
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17.51
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19.01
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19.51
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18.51
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Stall depth to interlock (DI) (feet)
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N/A
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15.3
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17.5
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18.8
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N/A
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Stall length (SL) (feet)
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18.0
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18.0
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18.0
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18.0
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18.0
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Aisle width (AW) (feet)
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12.02
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12.02
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16.02
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17.202
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24.0
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Throat length (right-of-way to parking angle) (T)
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Refer to requirements in Figure 510-93B
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Parking module width (PMW)
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Wall to wall (single-loaded) (W1) (feet)
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21.0
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29.5
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35.0
|
42.5
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44.5
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Wall to wall (double-loaded) (W2) (feet)
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30.0
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47.0
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54.0
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62.0
|
63.0
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Wall to interlock (double-loaded) (W3) (feet)
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N/A
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44.8
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52.5
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61.3
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N/A
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Interlock to interlock (double-loaded) (W4) (feet)
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N/A
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42.6
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51.0
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60.6
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N/A
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Notes:
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1
|
Parking spaces located behind an enclosed garage and located
directly off a thorough aisle shall be at least 30 feet deep.
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2
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This dimension represents (AW) for one-way traffic.
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Figure 510-93B: Minimum Permitted Throat Length
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---|---|---|---|---|
Type of Access Street
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Land Use
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Type
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Scale of Development
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Collector
(feet)
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Arterial
(feet)
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Residential
|
Any residential
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0 to 100 dwelling units
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25
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N/A
|
101 to 200 dwelling units
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50
|
75
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201+ dwelling units
|
75
|
125
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Commercial
|
Office
|
0 to 50,000 gross square feet
|
25
|
50
|
50,001 to 100,000 gross square feet
|
25
|
75
| ||
100,001 to 200,000 gross square feet
|
50
|
100
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200,001+ gross square feet
|
100
|
150
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In-vehicle sales or service
|
0 to 2,000 gross square feet
|
25
|
75
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2,001+ gross square feet
|
50
|
100
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Commercial indoor lodging
|
0 to 150 rooms
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25
|
75
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151+ rooms
|
25
|
100
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Other commercial uses
|
0 to 25,000 gross square feet
|
25
|
50
| |
25,001 to 100,000 gross square feet
|
25
|
75
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100,001 to 500,000 gross square feet
|
50
|
100
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500,001+ gross square feet
|
100
|
200
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Industrial
|
All industrial uses
|
0 to 100,000 gross square feet
|
25
|
50
|
100,001 to 500,000 gross square feet
|
50
|
100
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500,001+ gross square feet
|
50
|
200
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Other uses
|
6+ spaces
|
25
|
50
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Figure 510-99: Vibration Measurement Constant
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---|---|---|---|---|
K
All Other Districts
|
K
GI District
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On or beyond any adjacent lot line
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Continuous
|
0.003
|
0.015
| ||
Impulsive
|
0.006
|
0.030
| ||
Fewer than 8 pulses per 24-hour period
|
0.015
|
0.075
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On or beyond any residential district boundary line
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Continuous
|
0.003
|
0.003
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Impulsive
|
0.006
|
0.006
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Fewer than 8 pulses per 24-hour period
|
0.015
|
0.015
|
Figure 510-100A: Maximum Permitted Noise Level at Lot
Line for Continuous Noise
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---|---|---|
Zoning District
|
Increase in Noise Level Over Ambient Level
| |
RH-35, SR-3, SR-4, SR-5, SR-6, SR-7, TR-8, AR-9, MR-10 and MHR-6
|
Plus 3 dBA
| |
NB, HB, CB and BP
|
Plus 5 dBA
| |
LI and GI
|
Plus 8 dBA
|
Figure 510-100B: Adjustment Factors for Maximum Noise
Levels
| ||
---|---|---|
Type of Operation in Character of Noise
|
Correction in Decibels
| |
Daytime operation only
|
Plus 5 dBA
| |
Noise source operates less than 20% of any 1-hour period
|
Plus 5 dBA*
| |
Noise source operates less than 5% of any 1-hour period
|
Plus 10 dBA*
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Noise source operates less than 1% of any 1-hour period
|
Plus 15 dBA*
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Noise of impulsive character (hammering, etc.)
|
Minus 5 dBA
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Noise of periodic character (hum, speech, etc.)
|
Minus 5 dBA
|
Notes:
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---|---|---|
*
|
Apply only one of these corrections.
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