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<br />Ordinance 864 <br />Page 2 <br /> <br /> (5) Any dynamic display sign capable of accessing and utilizing MN Amber <br />Alert technology shall display such messages as they are made available by the MN Dept. <br />of Public Safety or other responsible agency. <br /> <br />(6)(5) All dynamic display signs shall meet the following brightness standards: <br /> <br /> (a) No sign shall be brighter than is necessary for clear and adequate visibility and <br />no sign shall exceed 500 Nits (candelas per square meter) during the day and 7,500 Nits <br />(candelas per square meter) at night. <br /> <br /> (b) No sign shall be of such intensity or brilliance as to impair the vision of a motor <br />vehicle driver with average eyesight nor shall such a sign interfere with the driver’s <br />operation of a motor vehicle in any way or manner. <br /> <br /> (c) No sign may be of such intensity or brilliance that it interferes with the <br />effectiveness of an official traffic sign, device or signal. <br /> <br /> (d) The person owning or controlling a sign with a dynamic display shall adjust the <br />sign to meet the brightness standards according to the City’s instructions. The sign owner <br />or operator shall adjust the sign within one (1) hour or as soon as reasonably possible <br />upon notice of non-compliance from the City. <br /> <br /> (e) All dynamic display signs installed after December 31, 2008, shall be equipped <br />and operated with an ambient light monitor or a mechanism that automatically adjusts the <br />brightness level of the sign in response to light conditions. These signs also shall be <br />equipped with a means to turn off immediately the display or lighting if the sign <br />malfunctions, and the sign owner or operator must turn off the sign or lighting within one (1) <br />hour or as soon as reasonably possible after the City notifies the owner or operator that the <br />sign is not meeting the standards of this Section or Chapter. <br /> <br /> (f) Subsequent to November 1, 2011, no dynamic display sign shall have the <br />capacity to operate in excess of 7,500 Nits (candelas per square meter). The lamp <br />wattage and luminance level in Nits (candelas per square meter) shall be provided at the <br />time of permit application. Dynamic display sign permit applications must also include a <br />certification from the owner or operator of the sign stating that the sign shall at all times be <br />operated in accordance with City codes. <br /> <br /> (g) (f) In addition to the brightness standards required above, dynamic display signs <br />shall meet the City’s lighting requirements as listed in Section 1103.09 (Glare) of the City <br />Code. <br /> <br /> c d. The City allows dynamic display signs on on-site freestanding or ground signs <br />subject to Section Chapter 1008.10, subdivision 1 (Ground Signs) of the City Code, the <br />above-mentioned standards for all dynamic display signs, and subject to the following <br />additional conditions: