Special Environmental Regulations
Frequency (cycles per second) | Vibration Displacement Steady-State (inches) | Impact (inches) |
|---|---|---|
Under 10 | 0.0005 | 0.0010 |
10 -- 19 | .0004 | .0008 |
20 -- 29 | .0003 | .0006 |
30 -- 39 | .0002 | .0004 |
40 and over | .0001 | .0002 |
Source | Maximum Illumination Level | |
|---|---|---|
Residential Districts or RO, PB-O or PB-OK District | PBR, NB, CB, RB or LI District | |
Bare or neon-type bulbs or lamps | Not permitted | Not permitted |
Illumination of any vertical building surface(measured vertically on the side of the building) | Not permitted | 30 footcandles |
Back-lighted or luminous background signs (measured in front of the sign) | Not permitted | 250 footlamberts |
Outdoor illuminated signs (measured vertically on the sign's surface) | 25 footcandles | 50 footcandles |
Special Environmental Regulations
Frequency (cycles per second) | Vibration Displacement Steady-State (inches) | Impact (inches) |
|---|---|---|
Under 10 | 0.0005 | 0.0010 |
10 -- 19 | .0004 | .0008 |
20 -- 29 | .0003 | .0006 |
30 -- 39 | .0002 | .0004 |
40 and over | .0001 | .0002 |
Source | Maximum Illumination Level | |
|---|---|---|
Residential Districts or RO, PB-O or PB-OK District | PBR, NB, CB, RB or LI District | |
Bare or neon-type bulbs or lamps | Not permitted | Not permitted |
Illumination of any vertical building surface(measured vertically on the side of the building) | Not permitted | 30 footcandles |
Back-lighted or luminous background signs (measured in front of the sign) | Not permitted | 250 footlamberts |
Outdoor illuminated signs (measured vertically on the sign's surface) | 25 footcandles | 50 footcandles |