Performance Standards
Table 325-75G(1) Parking Layout Dimensions | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0º | 45º | 60º | |||||||||||
Stall width at parking angle (SW) | 8.0 | 8.5 | 9.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
Stall width parallel to aisle (WP) | 22.0 | 23.0 | 25.0 | 11.5 | 12.0 | 12.5 | 13.5 | 14.0 | 9.0 | 10.0 | 10.5 | 11.0 | 11.5 |
Stall depth to wall (D) | 8.0 | 8.5 | 9.0 | 18.0 | 18.5 | 19.0 | 19.5 | 20.0 | 20.0 | 20.5 | 20.5 | 21.0 | 21.0 |
Stall depth to interlock (DI) | 8.0 | 8.5 | 9.0 | 16.0 | 16.0 | 16.0 | 16.5 | 16.5 | 17.5 | 18.0 | 18.0 | 18.0 | 18.0 |
Stall length (SL) | 22.0 | 23.0 | 25.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 |
Aisle width (AW) | 11.0 | 10.5 | 10.0 | 11.0 | 10.5 | 10.0 | 9.0 | 9.0 | 18.0 | 17.0 | 17.0 | 16.0 | 15.0 |
Wall-to-wall parking module - single loaded (W1) | 19.0 | 19.0 | 19.0 | 29.0 | 29.0 | 29.0 | 28.5 | 29.0 | 38.0 | 37.5 | 37.5 | 37.0 | 36.0 |
Wall-to-wall parking module - double loaded (W2) | 27.0 | 27.5 | 28.0 | 47.0 | 47.5 | 48.0 | 48.0 | 49.0 | 58.0 | 58.0 | 58.0 | 58.0 | 57.0 |
Wall to interlock — double loaded (W3) | 27.0 | 27.5 | 28.0 | 45.0 | 45.0 | 45.0 | 45.0 | 45.5 | 55.5 | 55.5 | 55.5 | 55.0 | 54.0 |
Interlock to interlock — double loaded (W4) | 27.0 | 27.5 | 28.0 | 43.0 | 42.5 | 42.0 | 42.0 | 42.0 | 53.0 | 53.0 | 53.0 | 52.0 | 51.0 |
70º | 80º | 90º | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Stall width at parking angle (SW) | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
Stall width parallel to aisle (WP) | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
Stall depth to wall (D) | 20.5 | 20.5 | 20.5 | 21.0 | 21.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 |
Stall depth to interlock (DI) | 18.0 | 18.0 | 18.0 | 18.0 | 18.5 | 17.0 | 17.5 | 17.5 | 17.5 | 17.5 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 |
Stall length (SL) | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 |
Aisle width (AW) | 19.5 | 19.0 | 18.5 | 17.5 | 17.0 | 27.0 | 25.0 | 23.0 | 22.0 | 22.0 | 28.0 | 26.0 | 24.0 | 23.0 | 22.0 |
Wall-to-wall parking module - single loaded (W1) | 40.0 | 39.5 | 39.0 | 38.5 | 38.0 | 47.0 | 45.0 | 43.0 | 42.0 | 42.0 | 46.0 | 44.0 | 42.0 | 41.0 | 40.0 |
Wall-to-wall parking module - double loaded (W2) | 60.5 | 60.0 | 59.5 | 59.5 | 59.0 | 67.0 | 65.0 | 63.0 | 62.0 | 62.0 | 64.0 | 62.0 | 60.0 | 59.0 | 58.0 |
Wall to interlock - double loaded (W3) | 58.0 | 57.5 | 57.0 | 56.5 | 56.5 | 64.0 | 62.5 | 60.5 | 59.5 | 59.5 | 64.0 | 62.0 | 60.0 | 59.0 | 58.0 |
Interlock to interlock - double loaded (W4) | 55.5 | 55.0 | 54.5 | 53.5 | 54.0 | 61.0 | 60.0 | 58.0 | 57.0 | 57.0 | 64.0 | 62.0 | 60.0 | 59.0 | 58.0 |
Table 325-75G(6) Minimum Permitted Throat Length | ||||
|---|---|---|---|---|
Land Use | Type | Scale of Development | Type of Access Street | |
Collector | Arterial | |||
Residential | Any Residential | 0-100 dwelling units | 25 feet | — |
101-200 dwelling units | 50 feet | 75 feet | ||
201+ dwelling units | 75 feet | 125 feet | ||
Commercial | Office | 0-50,000 gross sq. ft. | 25 feet | 50 feet |
50,000-100,000 gross sq. ft. | 25 feet | 75 feet | ||
100,000-200,000 gross sq. ft. | 50 feet | 100 feet | ||
200,001+ gross sq. ft. | 100 feet | 150 feet | ||
In-Vehicle Sales | 0-2,000 gross sq. ft. | 25 feet | 75 feet | |
2,001+ gross sq. ft. | 50 feet | 100 feet | ||
Indoor Entertainment | 0-15,000 gross sq. ft. | 25 feet | 50 feet | |
15,000+ gross sq. ft. | 25 feet | 75 feet | ||
Commercial Lodging | 0-150 rooms | 25 feet | 75 feet | |
151+ rooms | 25 feet | 100 feet | ||
Other Commercial Uses | 0-25,000 gross sq. ft. | 25 feet | 50 feet | |
25,001-100,000 gross sq. ft. | 25 feet | 75 feet | ||
100,000-500,000 gross sq. ft. | 50 feet | 100 feet | ||
500,001+ gross sq. ft. | 75 feet | 200 feet | ||
Industrial | All Industrial Uses | 0-100,000 gross sq. ft. | 25 feet | 50 feet |
100,001-500,000 gross sq. ft. | 50 feet | 100 feet | ||
500,000+ gross sq. ft. | 50 feet | 200 feet | ||
All Other Uses | 6+ parking spaces | 25 feet | 50 feet | |
Table 325-83C(1) Maximum Permitted Noise Level at Lot Line For Noise Radiated Continuously* | ||
|---|---|---|
Zoning District | Increase in Noise Level over Ambient Level | |
RH, SR-3, SR-4, TR-8, MR-10, MR-12 | plus 3 dBA | |
NO, PO, PB, NB, CB, PI | plus 5 dBA | |
GI, HI | 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 325-83C(2) below shall be added to or subtracted from each of the decibel levels given above in Table 325-83C(1). |
Table 325-83C(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 only one of these corrections. |
D = K/f, where D = displacement in inches. K = a constant to be determined by reference to the tables below. f = the frequency of vibration transmitted through the ground, cycles per second. |
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 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 | ||
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 | ||
Performance Standards
Table 325-75G(1) Parking Layout Dimensions | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0º | 45º | 60º | |||||||||||
Stall width at parking angle (SW) | 8.0 | 8.5 | 9.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
Stall width parallel to aisle (WP) | 22.0 | 23.0 | 25.0 | 11.5 | 12.0 | 12.5 | 13.5 | 14.0 | 9.0 | 10.0 | 10.5 | 11.0 | 11.5 |
Stall depth to wall (D) | 8.0 | 8.5 | 9.0 | 18.0 | 18.5 | 19.0 | 19.5 | 20.0 | 20.0 | 20.5 | 20.5 | 21.0 | 21.0 |
Stall depth to interlock (DI) | 8.0 | 8.5 | 9.0 | 16.0 | 16.0 | 16.0 | 16.5 | 16.5 | 17.5 | 18.0 | 18.0 | 18.0 | 18.0 |
Stall length (SL) | 22.0 | 23.0 | 25.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 |
Aisle width (AW) | 11.0 | 10.5 | 10.0 | 11.0 | 10.5 | 10.0 | 9.0 | 9.0 | 18.0 | 17.0 | 17.0 | 16.0 | 15.0 |
Wall-to-wall parking module - single loaded (W1) | 19.0 | 19.0 | 19.0 | 29.0 | 29.0 | 29.0 | 28.5 | 29.0 | 38.0 | 37.5 | 37.5 | 37.0 | 36.0 |
Wall-to-wall parking module - double loaded (W2) | 27.0 | 27.5 | 28.0 | 47.0 | 47.5 | 48.0 | 48.0 | 49.0 | 58.0 | 58.0 | 58.0 | 58.0 | 57.0 |
Wall to interlock — double loaded (W3) | 27.0 | 27.5 | 28.0 | 45.0 | 45.0 | 45.0 | 45.0 | 45.5 | 55.5 | 55.5 | 55.5 | 55.0 | 54.0 |
Interlock to interlock — double loaded (W4) | 27.0 | 27.5 | 28.0 | 43.0 | 42.5 | 42.0 | 42.0 | 42.0 | 53.0 | 53.0 | 53.0 | 52.0 | 51.0 |
70º | 80º | 90º | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Stall width at parking angle (SW) | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
Stall width parallel to aisle (WP) | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
Stall depth to wall (D) | 20.5 | 20.5 | 20.5 | 21.0 | 21.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 |
Stall depth to interlock (DI) | 18.0 | 18.0 | 18.0 | 18.0 | 18.5 | 17.0 | 17.5 | 17.5 | 17.5 | 17.5 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 |
Stall length (SL) | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 | 18.0 |
Aisle width (AW) | 19.5 | 19.0 | 18.5 | 17.5 | 17.0 | 27.0 | 25.0 | 23.0 | 22.0 | 22.0 | 28.0 | 26.0 | 24.0 | 23.0 | 22.0 |
Wall-to-wall parking module - single loaded (W1) | 40.0 | 39.5 | 39.0 | 38.5 | 38.0 | 47.0 | 45.0 | 43.0 | 42.0 | 42.0 | 46.0 | 44.0 | 42.0 | 41.0 | 40.0 |
Wall-to-wall parking module - double loaded (W2) | 60.5 | 60.0 | 59.5 | 59.5 | 59.0 | 67.0 | 65.0 | 63.0 | 62.0 | 62.0 | 64.0 | 62.0 | 60.0 | 59.0 | 58.0 |
Wall to interlock - double loaded (W3) | 58.0 | 57.5 | 57.0 | 56.5 | 56.5 | 64.0 | 62.5 | 60.5 | 59.5 | 59.5 | 64.0 | 62.0 | 60.0 | 59.0 | 58.0 |
Interlock to interlock - double loaded (W4) | 55.5 | 55.0 | 54.5 | 53.5 | 54.0 | 61.0 | 60.0 | 58.0 | 57.0 | 57.0 | 64.0 | 62.0 | 60.0 | 59.0 | 58.0 |
Table 325-75G(6) Minimum Permitted Throat Length | ||||
|---|---|---|---|---|
Land Use | Type | Scale of Development | Type of Access Street | |
Collector | Arterial | |||
Residential | Any Residential | 0-100 dwelling units | 25 feet | — |
101-200 dwelling units | 50 feet | 75 feet | ||
201+ dwelling units | 75 feet | 125 feet | ||
Commercial | Office | 0-50,000 gross sq. ft. | 25 feet | 50 feet |
50,000-100,000 gross sq. ft. | 25 feet | 75 feet | ||
100,000-200,000 gross sq. ft. | 50 feet | 100 feet | ||
200,001+ gross sq. ft. | 100 feet | 150 feet | ||
In-Vehicle Sales | 0-2,000 gross sq. ft. | 25 feet | 75 feet | |
2,001+ gross sq. ft. | 50 feet | 100 feet | ||
Indoor Entertainment | 0-15,000 gross sq. ft. | 25 feet | 50 feet | |
15,000+ gross sq. ft. | 25 feet | 75 feet | ||
Commercial Lodging | 0-150 rooms | 25 feet | 75 feet | |
151+ rooms | 25 feet | 100 feet | ||
Other Commercial Uses | 0-25,000 gross sq. ft. | 25 feet | 50 feet | |
25,001-100,000 gross sq. ft. | 25 feet | 75 feet | ||
100,000-500,000 gross sq. ft. | 50 feet | 100 feet | ||
500,001+ gross sq. ft. | 75 feet | 200 feet | ||
Industrial | All Industrial Uses | 0-100,000 gross sq. ft. | 25 feet | 50 feet |
100,001-500,000 gross sq. ft. | 50 feet | 100 feet | ||
500,000+ gross sq. ft. | 50 feet | 200 feet | ||
All Other Uses | 6+ parking spaces | 25 feet | 50 feet | |
Table 325-83C(1) Maximum Permitted Noise Level at Lot Line For Noise Radiated Continuously* | ||
|---|---|---|
Zoning District | Increase in Noise Level over Ambient Level | |
RH, SR-3, SR-4, TR-8, MR-10, MR-12 | plus 3 dBA | |
NO, PO, PB, NB, CB, PI | plus 5 dBA | |
GI, HI | 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 325-83C(2) below shall be added to or subtracted from each of the decibel levels given above in Table 325-83C(1). |
Table 325-83C(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 only one of these corrections. |
D = K/f, where D = displacement in inches. K = a constant to be determined by reference to the tables below. f = the frequency of vibration transmitted through the ground, cycles per second. |
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 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 | ||
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 | ||