Performance Standards
Table 450-36: Vision Clearance Triangle Standards | |
|---|---|
Right-of-Way Width (feet) | Distance away from R-O-W Intersection, as measured along R-O-W line (feet) |
Less than 50 | 50 |
50 | 50 |
51 to 60 | 40 |
61 to 66 | 34 |
67 to 82.5 | 15 |
Greater than 82.5 | 15 |
Table 450-37G(6): Parking Layout Dimensions | |||||
|---|---|---|---|---|---|
Minimum Permitted Dimensions | Parking Angle (degrees) | ||||
0 (parallel) | 45 | 60 | 75 | 90 | |
Stall width at parking angle (SW) | 9.0 feet | 9.0 feet | 9.0 feet | 9.0 feet | 9.0 feet |
Stall width parallel to aisle (WP) | 17.90 feet | 12.7 feet | 10.4 feet | 9.3 feet | 9.0 feet |
Stall depth to wall (D) | 9.0 feet1 | 17.5 feet1 | 19.0 feet | 19.5 feet1 | 18.5 feet1 |
Stall depth to interlock (DI) | — | 15.3 feet | 17.5 feet | 18.8 feet | — |
Stall length (including 1.5-foot curb overhang) (SL) | 18.5 feet | 18.5 feet | 18.5 feet | 18.5 feet | 18.5 feet |
Aisle width (AW) | 12.0 feet2 | 12.0 feet2 | 16.0 feet2 | 17.20 feet2 | 26.0 feet2 |
Throat length (right-of-way to parking area) (T) | Refer to Requirements in Table 450-37G(7). | ||||
Parking module width (PMW): | |||||
Wall-to-wall (single-loaded) (W1) | 21.0 feet | 29.5 feet | 35.0 feet | 42.5 feet | 44.5 feet |
Wall-to-wall (double-loaded) (W2) | 30.0 feet | 47.0 feet | 54.0 feet | 62.0 feet | 63.0 feet |
Wall-to-interlock (double-loaded) (W3) | — | 44.8 feet | 52.5 feet | 61.3 feet | — |
Interlock-to-interlock (double-loaded) (W4) | — | 42.6 feet | 51.0 feet | 60.6 feet | — |
1 | Parking spaces located behind an enclosed garage and located directly off a through aisle shall be at least 30 feet deep. |
2 | This dimension represents (AW) for one-way traffic. For two-way traffic, add 8.0 feet to a maximum (AW) of 26.0 feet. |
Table 450-37G(7): Minimum Permitted Throat Length | ||||
|---|---|---|---|---|
Land Use | Type | Scale of Development | Type of Access Street | |
Collector (feet) | Arterial (feet) | |||
Residential | Any residential | 0-100 dwelling units | 25 | — |
101 to 200 dwelling units | 50 | 75 | ||
201+ dwelling units | 75 | 125 | ||
Commercial | Office | 0 to 50,000 gross square feet | 25 | 50 |
50,000 to 100,000 gross square feet | 25 | 75 | ||
100,001 to 200,000 gross square feet | 50 | 100 | ||
200,001+ gross square feet | 100 | 150 | ||
In-vehicle sales | 0 to 2,000 gross square feet | 25 | 75 | |
2,001+ gross square feet | 50 | 100 | ||
Indoor entertainment | 0 to 15,000 gross square feet | 25 | 50 | |
15,001+ gross square feet | 25 | 75 | ||
Commercial lodging | 0 to 150 rooms | 25 | 75 | |
151+ rooms | 25 | 100 | ||
Other commercial uses | 0 to 25,000 gross square feet | 25 | 50 | |
25,001 to 100,000 gross square feet | 25 | 75 | ||
100,001 to 500,000 gross square feet | 50 | 100 | ||
500,001+ gross square feet | 75 | 200 | ||
Industrial | All industrial uses | 0 to 100,000 gross square feet | 25 | 50 |
100,001 to 500,000 gross square feet | 50 | 100 | ||
501,001+ gross square feet | 50 | 200 | ||
All other uses | 6+ parking spaces | — | 25 | 50 |
Table 450-38: Loading Standards | ||||||
|---|---|---|---|---|---|---|
Design Vehicle | Length (L) (feet) | Dock Angle (ɑ) | Clearance (D) (feet) | Berth Width (W) (feet) | Apron Space (A) (feet) | Total Offset (T) (feet) |
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 | ||||
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 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 the 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 the any adjacent lot line | |
Continuous | 0.030 |
Impulsive | 0.060 |
Less than 8 pulses per 24-hour period | 0.150 |
On or beyond any residence district boundary line | |
Continuous | 0.003 |
Impulsive | 0.006 |
Less than 8 pulses per 24-hour period | 0.015 |
Table 450-42C(1): Maximum Permitted Noise Level at Lot Line for Noise Radiated Continuously* | |
|---|---|
Zoning District | Increase in Noise Level over Ambient Level (dBA) |
A-1, A-2, C-1, C-2, R-1, R-2, R-3, R-4 | plus 3 dBA |
B-1, B-2, B-3, B-4, HMU, O-1, M-1 | plus 5 dBA |
M-2, M-3 | 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 Table 450-42C(2) below, shall be added to or subtracted from each of the decibel levels given above in Table 450-42C(1). |
Table 450-42C(2): Adjustment Factors for Maximum Noise Levels | |
|---|---|
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 one of these corrections only. |
Performance Standards
Table 450-36: Vision Clearance Triangle Standards | |
|---|---|
Right-of-Way Width (feet) | Distance away from R-O-W Intersection, as measured along R-O-W line (feet) |
Less than 50 | 50 |
50 | 50 |
51 to 60 | 40 |
61 to 66 | 34 |
67 to 82.5 | 15 |
Greater than 82.5 | 15 |
Table 450-37G(6): Parking Layout Dimensions | |||||
|---|---|---|---|---|---|
Minimum Permitted Dimensions | Parking Angle (degrees) | ||||
0 (parallel) | 45 | 60 | 75 | 90 | |
Stall width at parking angle (SW) | 9.0 feet | 9.0 feet | 9.0 feet | 9.0 feet | 9.0 feet |
Stall width parallel to aisle (WP) | 17.90 feet | 12.7 feet | 10.4 feet | 9.3 feet | 9.0 feet |
Stall depth to wall (D) | 9.0 feet1 | 17.5 feet1 | 19.0 feet | 19.5 feet1 | 18.5 feet1 |
Stall depth to interlock (DI) | — | 15.3 feet | 17.5 feet | 18.8 feet | — |
Stall length (including 1.5-foot curb overhang) (SL) | 18.5 feet | 18.5 feet | 18.5 feet | 18.5 feet | 18.5 feet |
Aisle width (AW) | 12.0 feet2 | 12.0 feet2 | 16.0 feet2 | 17.20 feet2 | 26.0 feet2 |
Throat length (right-of-way to parking area) (T) | Refer to Requirements in Table 450-37G(7). | ||||
Parking module width (PMW): | |||||
Wall-to-wall (single-loaded) (W1) | 21.0 feet | 29.5 feet | 35.0 feet | 42.5 feet | 44.5 feet |
Wall-to-wall (double-loaded) (W2) | 30.0 feet | 47.0 feet | 54.0 feet | 62.0 feet | 63.0 feet |
Wall-to-interlock (double-loaded) (W3) | — | 44.8 feet | 52.5 feet | 61.3 feet | — |
Interlock-to-interlock (double-loaded) (W4) | — | 42.6 feet | 51.0 feet | 60.6 feet | — |
1 | Parking spaces located behind an enclosed garage and located directly off a through aisle shall be at least 30 feet deep. |
2 | This dimension represents (AW) for one-way traffic. For two-way traffic, add 8.0 feet to a maximum (AW) of 26.0 feet. |
Table 450-37G(7): Minimum Permitted Throat Length | ||||
|---|---|---|---|---|
Land Use | Type | Scale of Development | Type of Access Street | |
Collector (feet) | Arterial (feet) | |||
Residential | Any residential | 0-100 dwelling units | 25 | — |
101 to 200 dwelling units | 50 | 75 | ||
201+ dwelling units | 75 | 125 | ||
Commercial | Office | 0 to 50,000 gross square feet | 25 | 50 |
50,000 to 100,000 gross square feet | 25 | 75 | ||
100,001 to 200,000 gross square feet | 50 | 100 | ||
200,001+ gross square feet | 100 | 150 | ||
In-vehicle sales | 0 to 2,000 gross square feet | 25 | 75 | |
2,001+ gross square feet | 50 | 100 | ||
Indoor entertainment | 0 to 15,000 gross square feet | 25 | 50 | |
15,001+ gross square feet | 25 | 75 | ||
Commercial lodging | 0 to 150 rooms | 25 | 75 | |
151+ rooms | 25 | 100 | ||
Other commercial uses | 0 to 25,000 gross square feet | 25 | 50 | |
25,001 to 100,000 gross square feet | 25 | 75 | ||
100,001 to 500,000 gross square feet | 50 | 100 | ||
500,001+ gross square feet | 75 | 200 | ||
Industrial | All industrial uses | 0 to 100,000 gross square feet | 25 | 50 |
100,001 to 500,000 gross square feet | 50 | 100 | ||
501,001+ gross square feet | 50 | 200 | ||
All other uses | 6+ parking spaces | — | 25 | 50 |
Table 450-38: Loading Standards | ||||||
|---|---|---|---|---|---|---|
Design Vehicle | Length (L) (feet) | Dock Angle (ɑ) | Clearance (D) (feet) | Berth Width (W) (feet) | Apron Space (A) (feet) | Total Offset (T) (feet) |
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 | ||||
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 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 the 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 the any adjacent lot line | |
Continuous | 0.030 |
Impulsive | 0.060 |
Less than 8 pulses per 24-hour period | 0.150 |
On or beyond any residence district boundary line | |
Continuous | 0.003 |
Impulsive | 0.006 |
Less than 8 pulses per 24-hour period | 0.015 |
Table 450-42C(1): Maximum Permitted Noise Level at Lot Line for Noise Radiated Continuously* | |
|---|---|
Zoning District | Increase in Noise Level over Ambient Level (dBA) |
A-1, A-2, C-1, C-2, R-1, R-2, R-3, R-4 | plus 3 dBA |
B-1, B-2, B-3, B-4, HMU, O-1, M-1 | plus 5 dBA |
M-2, M-3 | 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 Table 450-42C(2) below, shall be added to or subtracted from each of the decibel levels given above in Table 450-42C(1). |
Table 450-42C(2): Adjustment Factors for Maximum Noise Levels | |
|---|---|
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 one of these corrections only. |