Portland City Code ch. 14

Citation: Portland City Code ch. 14 20.
Parent Document: Portland City Code ch. 14
Jurisdiction: Portland (municipal)
Original Source: https://www.portlandmaine.gov/asset/ae8cabd1-66eb-4a1c-9224-92bbca5e792f ↗

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20.7.3 Sign illumination perception of objects or buildings in
A. Sign illumination by sign district the vicinity of the sign.
1. Table 20-E identifies the type of c. It directs glare toward streets or
illumination permitted () or not motorists.
permitted ( ) by sign district. All allowed d. It adversely impacts nearby residents
permanent signs may also be non- or neighborhoods.
illuminated. All permanent signs for single- e. The illumination reduces the night
family residences or duplexes and all time readability of the sign.
temporary signs must be non-illuminated. B. Internal illumination. To minimize glare,
2. The illumination level of a sign must be internally-illuminated signs must either be
reduced if the Building Authority constructed with an opaque background
determines the light output to be and translucent text and symbols, or with a
excessive. The Building Authority shall use colored background. Backgrounds must
the following criteria to determine if the not be white, off-white, light gray, cream,
illumination is excessive: or yellow.
a. The amount of illumination is
substantially greater than the
illumination level of other nearby
signs.
b. The sign’s illumination interferes with
the visibility of other signs or with the

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