Miscellaneous Provisions
Uses | Minimum Required Off-Street Parking | |
|---|---|---|
Retail or service business | 1 space for each 200 square feet of gross floor area | |
Business office, financial institution, laboratory, computer center | 1 space for each occupant, but not less than 1 space for each 200 square feet of gross floor area | |
Educational or religious uses | 1 space for each 4 seats in an auditorium or 1 space for each 15 classroom seats, whichever is greater, or such other requirement as may be established by the Board of Trustees as a condition of granting a permit for such use | |
Places of public assembly | 1 space for each 4 occupants permitted by the fire-rated capacity | |
Professional offices | 1 space for each 200 square feet of gross floor area, plus 1 space for each occupant | |
Other uses not listed | Off-street parking requirements for uses which do not fall within the categories listed above shall be determined by the Board of Appeals prior to issuance of a zoning permit. In determining the required number of spaces, the Board of Appeals shall consider the provisions of this chapter with respect to similar uses and the reasonable requirements. |
TABLE I | ||
|---|---|---|
Maximum permissible sound-pressure levels at the lot line for noise radiated continuously from a facility between the hours of 9:00 p.m. and 7:00 a.m. | ||
Frequency Band Cycles per Second | Sound-Pressure Level Decibels re 0.0002 Dyne/Cm2 | |
20 - 75 | 69 | |
75 - 150 | 60 | |
150 - 300 | 56 | |
300 - 600 | 51 | |
600 - 1,200 | 42 | |
1,200 - 2,400 | 40 | |
2,400 - 4,800 | 38 | |
4,800 - 10,000 | 35 | |
If the noise is not smooth and continuous and is not radiated between the hours of 9:00 p.m. and 7:00 a.m., one or more of the corrections in Table III shall be added to or subtracted from each of the decibel levels given above in Table I. |
TABLE II | ||
|---|---|---|
Maximum permissible sound-pressure levels at a lot line for noise radiated continuously from a facility between the hours of 9:00 p.m. and 7:00 a.m. where the lot line adjoins or lies within 25 feet of the boundary of a residence district. | ||
Frequency Band Cycles per Second | Sound-Pressure Level Decibels re 0.0002 Dyne/Cm2 | |
20 - 75 | 65 | |
75 - 150 | 50 | |
150 - 300 | 43 | |
300 - 600 | 38 | |
600 - 1,200 | 33 | |
1,200 - 2,400 | 30 | |
2,400 - 4,800 | 28 | |
4,800 - 10,000 | 26 | |
If the noise is not smooth and continuous and is not radiated between the hours 9:00 p.m. and 7:00 a.m., one or more of the corrections in Table III which follows shall be added to or subtracted from each of the decibel levels given above in Table II. |
TABLE III | |||
|---|---|---|---|
Type of Operation in Character of Noise | Correction in Decibels | ||
Daytime operation only | +5 | ||
Noise source operates less than 20% of any one-hour period | +5 | ||
Noise source operates less than 5% of any one-hour period | +5* | ||
Noise source operates less than 1% of any one-hour period | +15* | ||
Noise of impulsive character (hammering, etc.) | -5 | ||
Noise of periodic character (hum, screech, etc.) | -5 | ||
* | Apply one of these corrections only. | ||
Miscellaneous Provisions
Uses | Minimum Required Off-Street Parking | |
|---|---|---|
Retail or service business | 1 space for each 200 square feet of gross floor area | |
Business office, financial institution, laboratory, computer center | 1 space for each occupant, but not less than 1 space for each 200 square feet of gross floor area | |
Educational or religious uses | 1 space for each 4 seats in an auditorium or 1 space for each 15 classroom seats, whichever is greater, or such other requirement as may be established by the Board of Trustees as a condition of granting a permit for such use | |
Places of public assembly | 1 space for each 4 occupants permitted by the fire-rated capacity | |
Professional offices | 1 space for each 200 square feet of gross floor area, plus 1 space for each occupant | |
Other uses not listed | Off-street parking requirements for uses which do not fall within the categories listed above shall be determined by the Board of Appeals prior to issuance of a zoning permit. In determining the required number of spaces, the Board of Appeals shall consider the provisions of this chapter with respect to similar uses and the reasonable requirements. |
TABLE I | ||
|---|---|---|
Maximum permissible sound-pressure levels at the lot line for noise radiated continuously from a facility between the hours of 9:00 p.m. and 7:00 a.m. | ||
Frequency Band Cycles per Second | Sound-Pressure Level Decibels re 0.0002 Dyne/Cm2 | |
20 - 75 | 69 | |
75 - 150 | 60 | |
150 - 300 | 56 | |
300 - 600 | 51 | |
600 - 1,200 | 42 | |
1,200 - 2,400 | 40 | |
2,400 - 4,800 | 38 | |
4,800 - 10,000 | 35 | |
If the noise is not smooth and continuous and is not radiated between the hours of 9:00 p.m. and 7:00 a.m., one or more of the corrections in Table III shall be added to or subtracted from each of the decibel levels given above in Table I. |
TABLE II | ||
|---|---|---|
Maximum permissible sound-pressure levels at a lot line for noise radiated continuously from a facility between the hours of 9:00 p.m. and 7:00 a.m. where the lot line adjoins or lies within 25 feet of the boundary of a residence district. | ||
Frequency Band Cycles per Second | Sound-Pressure Level Decibels re 0.0002 Dyne/Cm2 | |
20 - 75 | 65 | |
75 - 150 | 50 | |
150 - 300 | 43 | |
300 - 600 | 38 | |
600 - 1,200 | 33 | |
1,200 - 2,400 | 30 | |
2,400 - 4,800 | 28 | |
4,800 - 10,000 | 26 | |
If the noise is not smooth and continuous and is not radiated between the hours 9:00 p.m. and 7:00 a.m., one or more of the corrections in Table III which follows shall be added to or subtracted from each of the decibel levels given above in Table II. |
TABLE III | |||
|---|---|---|---|
Type of Operation in Character of Noise | Correction in Decibels | ||
Daytime operation only | +5 | ||
Noise source operates less than 20% of any one-hour period | +5 | ||
Noise source operates less than 5% of any one-hour period | +5* | ||
Noise source operates less than 1% of any one-hour period | +15* | ||
Noise of impulsive character (hammering, etc.) | -5 | ||
Noise of periodic character (hum, screech, etc.) | -5 | ||
* | Apply one of these corrections only. | ||