Supplementary Regulations
Use | Minimum Required Spaces | ||
|---|---|---|---|
Residential | |||
Single- and two-family dwellings | Two spaces for each dwelling unit | ||
Multiple dwellings and apartment houses | Two spaces for each dwelling unit or apartment | ||
Hotels, motels and rooming houses /boardinghouses | One space for each guest room or unit | ||
Commercial | |||
Retail stores, personal service shops and professional offices | One space for each 300 square feet of floor area | ||
Medical-dental clinics | Three spaces for each doctor or dentist maintaining an office in such clinic | ||
Office buildings | One space for each 400 square feet of floor area, plus one employee space | ||
Restaurant and drinking establishments: | |||
Conventional service | One space for every four seats | ||
Drive-in or fast food service | One space for each 200 square feet of floor area | ||
Auto repair, gasoline station | One space for each 300 square feet of floor area devoted to repair and service facilities | ||
Bowling alley | Four spaces for each lane | ||
Other commercial recreation | One space for each 400 square feet of floor or ground area ,plus one employee space | ||
Other commercial buildings | One space for each 400 square feet of floor area, plus one employee space | ||
Theater, auditorium, stadium or other place of public or private assembly | One space for each four seats provided | ||
Industrial | |||
Industrial plants and related activities | One space for each two employees in the largest working shift | ||
Warehousing, wholesale and storage establishments | One space for each two employees in the largest working shift | ||
Visitor parking | Each industrial plant shall provide one parking space for each 200 square feet of company office gross floor area or four spaces, whichever is largest | ||
Public and semipublic areas | |||
Churches | One space for each four seats provided | ||
High schools and similar educational facilities | One space for each two teachers, employees or administrators, and one space for each 10 students | ||
Hospitals, sanitariums, convalescent homes and similar uses | One space for each five beds, and one space for each two employees on staff | ||
Center Frequency (Cycles per Second) | Maximum Permitted 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 |
Center Frequency (Cycles per Second) | Maximum Permitted Sound-Pressure Level (Decibels) |
|---|---|
31.5 | 76 |
63 | 74 |
125 | 68 |
250 | 63 |
500 | 57 |
1,000 | 52 |
2,000 | 45 |
4,000 | 38 |
8,000 | 32 |
Type of Noise | Correction |
|---|---|
Noise source operates less than 20% of any one-hour period | Plus 1 |
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 |
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 | ||
|---|---|---|
Particle Velocity (Inches/Second) | ||
Zoning District | Adjacent Lot Line | Residential District |
Residential | 0.05 | 0.02 |
Commercial, Limited Industrial | 0.10 | 0.02 |
Heavy Industrial | 0.20 | 0.02 |
Liquids (Gallons) | Gases (SCF*) | |||||
|---|---|---|---|---|---|---|
Above-ground Flash Point - °F. | Below-ground Flash Point - °F. | Above-ground | Below-ground | |||
Zoning Districts | Less than 70 | 70-200 | Less than 70 | 70-200 | ||
I-1 | 5,000 | 20,000 | 10,000 | 40,000 | 150,000 | 300,000 |
I-2 | 10,000 | 40,000 | 20,000 | 80,000 | 300,000 | 600,000 |
* | SCF - Standard Cubic Feet at 60° F. and 29.92 inches Hg. |
Supplementary Regulations
Use | Minimum Required Spaces | ||
|---|---|---|---|
Residential | |||
Single- and two-family dwellings | Two spaces for each dwelling unit | ||
Multiple dwellings and apartment houses | Two spaces for each dwelling unit or apartment | ||
Hotels, motels and rooming houses /boardinghouses | One space for each guest room or unit | ||
Commercial | |||
Retail stores, personal service shops and professional offices | One space for each 300 square feet of floor area | ||
Medical-dental clinics | Three spaces for each doctor or dentist maintaining an office in such clinic | ||
Office buildings | One space for each 400 square feet of floor area, plus one employee space | ||
Restaurant and drinking establishments: | |||
Conventional service | One space for every four seats | ||
Drive-in or fast food service | One space for each 200 square feet of floor area | ||
Auto repair, gasoline station | One space for each 300 square feet of floor area devoted to repair and service facilities | ||
Bowling alley | Four spaces for each lane | ||
Other commercial recreation | One space for each 400 square feet of floor or ground area ,plus one employee space | ||
Other commercial buildings | One space for each 400 square feet of floor area, plus one employee space | ||
Theater, auditorium, stadium or other place of public or private assembly | One space for each four seats provided | ||
Industrial | |||
Industrial plants and related activities | One space for each two employees in the largest working shift | ||
Warehousing, wholesale and storage establishments | One space for each two employees in the largest working shift | ||
Visitor parking | Each industrial plant shall provide one parking space for each 200 square feet of company office gross floor area or four spaces, whichever is largest | ||
Public and semipublic areas | |||
Churches | One space for each four seats provided | ||
High schools and similar educational facilities | One space for each two teachers, employees or administrators, and one space for each 10 students | ||
Hospitals, sanitariums, convalescent homes and similar uses | One space for each five beds, and one space for each two employees on staff | ||
Center Frequency (Cycles per Second) | Maximum Permitted 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 |
Center Frequency (Cycles per Second) | Maximum Permitted Sound-Pressure Level (Decibels) |
|---|---|
31.5 | 76 |
63 | 74 |
125 | 68 |
250 | 63 |
500 | 57 |
1,000 | 52 |
2,000 | 45 |
4,000 | 38 |
8,000 | 32 |
Type of Noise | Correction |
|---|---|
Noise source operates less than 20% of any one-hour period | Plus 1 |
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 |
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 | ||
|---|---|---|
Particle Velocity (Inches/Second) | ||
Zoning District | Adjacent Lot Line | Residential District |
Residential | 0.05 | 0.02 |
Commercial, Limited Industrial | 0.10 | 0.02 |
Heavy Industrial | 0.20 | 0.02 |
Liquids (Gallons) | Gases (SCF*) | |||||
|---|---|---|---|---|---|---|
Above-ground Flash Point - °F. | Below-ground Flash Point - °F. | Above-ground | Below-ground | |||
Zoning Districts | Less than 70 | 70-200 | Less than 70 | 70-200 | ||
I-1 | 5,000 | 20,000 | 10,000 | 40,000 | 150,000 | 300,000 |
I-2 | 10,000 | 40,000 | 20,000 | 80,000 | 300,000 | 600,000 |
* | SCF - Standard Cubic Feet at 60° F. and 29.92 inches Hg. |