1998-04-01-ATM-min - Laserfiche WebLink

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14.3 LIGHTING PLAN Wherever outside lighting is proposed, every application for a building permit, a special permit, a special permit with site plan review, a variance, or an electrical permit, shall be accompanied by a lighting plan which shall show: a. the location and type of any outdoor lighting luminaires, including the height of the luminaire; b. the luminaire manufacturer's specification data, including lumen output and photometric data showing cutoff angles; C. the type of lamp such as: metal halide, compact fluorescent, high pressure sodium; d. a photometric plan showing the intensity of illumination at ground level, expressed in foot candles; and e. that light trespass onto any street or abutting lot will not occur. This may be demonstrated by manufacturer's data, cross section drawings, or other means. 14.4 CONTROL OF GLARE AND LIGHT TRESPASS 14.4.1 Any luminaire with a lamp or lamps rated at a total of more than 2,000 lumens shall be of fully shielded design and shall not emit any direct light above a horizontal plane passing through the lowest part of the light emitting luminaire. 14.4.2 All luminaires, regardless of lumen rating, shall be equipped with whatever additional shielding, lenses, or cutoff devices are required to eliminate light trespass onto any street or abutting lot or parcel and to eliminate glare perceptible to persons on any street or abutting lot or parcel. 14.4.3 Paragraph 14.4.1, above, shall not apply to any luminaire intended solely to illuminate any freestanding sign or the walls of any building but such luminaire shall be shielded so that its direct light is confined to the surface of such sign or building. 14.5 LAMPS 14.5.1 Lamp types shall be selected for optimum color rendering as measured by their color rendering index (CRI), as listed by the lamp manufacturer. Lamps with a color rendering index lower than 50 are not permitted. This paragraph shall not apply to temporary decorative lighting which may include colored lamps, such as holiday lighting. 14.6 HOURS OF OPERATION 14.6.1 Outdoor lighting shall not be illuminated between 11:00 p.m. and 6:00 a.m. with the following exceptions: a. if the use is being operated, such as a business open to customers, or where employees are working or where an institution or place of public assembly is conducting an activity, normal illumination shall be allowed during the activity and for not more than one half hour after the activity ceases; Adjourned Session —1998 Annual Town Meeting, coot....... April 1, 1998 b. low level lighting sufficient for the security of persons or property on the lot may be in operation between 11:00 p.m. and 6:00 a. m., provided the average illumination on the ground or on any vertical surface is not greater than 0.5 foot candles. 14.7 SPECIAL PERMITS In accordance with Section 3, the Board of Appeals, acting as the special permit granting authority, may grant a special permit modifying the requirements of this Section, provided it determines that such modification is consistent with the objectives set forth in paragraph 14. 1, in the following cases: a. where an applicant can demonstrate, by means of a history of vandalism or other objective means, that an extraordinary need for security exists, b. where an applicant can show that conditions hazardous to the public, such as steep embankments or stairs, may exist in traveled ways or areas, C. where a minor change is proposed to an existing non - conforming lighting installation, such that it would be unreasonable to require replacement of the entire installation,