Frequency Band
(cycles per second)
|
Maximum Permitted Sound-Pressure Level
(decibels)
| |
---|---|---|
0 to 150
|
67
| |
150 to 300
|
59
| |
300 to 600
|
52
| |
600 to 1200
|
46
| |
1,200 to 2,400
|
40
| |
2,400 to 4,800
|
34
| |
Above 4,800
|
32
|
Type of Operation or Character of Noise
|
Corrections in Decibels
| |
---|---|---|
Noise occurs between the hours of 10:00 p.m. and 7:00 a.m.
|
-3
| |
Noise occurs less than 5% of any one-hour period
|
+5
| |
Noise is of periodic character (hum, scream, etc.) or is of
impulsive character (hammering, etc.). (In the case of impulsive noise,
the correction shall apply only to the average pressure during an
impulse, and impulse peaks shall not exceed the basic standards given
above.)
|
-5
|
Minimum Lot Area
(square feet)
|
Average Lot Area
(square feet)
|
Off-Street Parking Spaces
|
Minimum Lot Width At Building Setback
(feet)
| |
---|---|---|---|---|
One-bedroom
|
3,200
|
3,600
|
1.75
|
36
|
Two-bedroom
|
3,600
|
4,000
|
2.00
|
40
|
Three-bedroom
|
4,000
|
4,500
|
2.00
|
40
|
Four-bedroom
|
4,200
|
4,700
|
2.25
|
45
|
Five-bedroom
|
4,500
|
5,000
|
2.50
|
45
|
Minimum Lot Area
(square feet)
|
Average Lot Area
(square feet)
|
Off-Street Parking Spaces
|
Minimum Lot Width at Building Setback
(feet)
| |
---|---|---|---|---|
One-bedroom
|
2,800
|
3,000
|
1.75
|
40
|
Two-bedroom
|
3,400
|
3,600
|
2.00
|
40
|
Three-bedroom
|
3,800
|
4,000
|
2.00
|
40
|
Four-bedroom
|
4,000
|
4,200
|
2.25
|
45
|
Five-bedroom
|
4,200
|
4,500
|
2.50
|
45
|
Minimum Lot Area Per Dwelling Unit
(square feet)
|
Average Lot Area Per Dwelling Unit
(square feet)
|
Off-Street Parking Spaces
(feet)
| ||
---|---|---|---|---|
Efficiency
|
800
|
1,000
|
1.25
| |
One-bedroom
|
1,500
|
1,700
|
1.75
| |
Two-bedroom
|
2,200
|
2,400
|
2.00
| |
Three-bedroom
|
2,500
|
2,800
|
2.00
| |
Four-bedroom
|
2,700
|
3,000
|
2.25
|
Minimum Lot Area
(square feet)
|
Average Lot Area
(square feet)
|
Off-Street Parking Spaces
|
Minimum Lot Width
(feet)
| |
---|---|---|---|---|
One-bedroom
|
1,200
|
1,375
|
1.75
|
35
|
Two-bedroom
|
1,700
|
1,850
|
2.00
|
35
|
Three-bedroom
|
1,950
|
2,100
|
2.00
|
40
|
Four-bedroom
|
2,150
|
2,300
|
2.25
|
40
|
Five-bedroom
|
2,300
|
2,500
|
2.50
|
40
|
Minimum Lot Area
(square feet)
|
Average Lot Area
(square feet)
|
Off-Street Parking Spaces
|
Minimum Lot Width
(feet)
| |
---|---|---|---|---|
One-bedroom
|
1,500
|
1,600
|
1.75
|
18
|
Two-bedroom
|
1,700
|
1,800
|
2.00
|
20
|
Three-bedroom
|
1,900
|
2,000
|
2.00
|
22
|
Four-bedroom
|
2,000
|
2,200
|
2.25
|
24
|
Five-bedroom
|
2,200
|
2,400
|
2.50
|
26
|
Average Apartment Size
(square feet)
|
Minimum Lot Area Per Dwelling Unit
(square feet)
|
Off-Street Parking Spaces
| ||
---|---|---|---|---|
Efficiency
|
500
|
1,300
|
1.50
| |
One-bedroom
|
655
|
1,750
|
1.75
| |
Two-bedroom
|
950
|
2,000
|
1.75
| |
Three-bedroom
|
1,125
|
2,250
|
2.00
| |
Four-bedroom
|
1,330
|
2,550
|
2.25
|