09-18-1996 - Laserfiche WebLink

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Subd. 3. Extension into streets. No part of any antenna or tower nor any lines, cable, equipment or • •wires, or braces in connection with either shall at any time extend across or over any part of any public right-of- • way, streets, highways, sidewalk or alleys or over any property Iine. 425.09. Height. The total height of any tower, antenna or combination thereof shall not exceed 70 feet from the lowest grade level at the base to the highest point of tower, antenna or combination thereof. The total height of roof mounted towers, antennae or combination thereof may not exceed 70 feet above the average elevation of the lot along the front building line of the building it is mounted on. 425.11. Performance Standards. Subdivision 1. These performance standards apply to any accessory tower, antenna or satellite antenna that is erected, constructed, placed, re-erected or replaced in any zoning district in the city. Subd. 2 Signage. No advertising message shall be on the tower or antenna structure. Subd. 3. Screening. Such structures shall be screened to the greatest extent practicable to minimize visual impacts on surrounding properties. Screening plans shall be approved by the Community Development Director. Subd. 4. Number. If more than one such structure is proposed on a lot, they shall be clustered in a single grouped location where possible. Subd. 5. Lighting. Towers and antennas shall not be artificially lighted unless it is required by the Federal Aviation Administration or other federal or state authority. 425.1+3. Construction. Subdivision 1. Wind. Towers with antenna shall be designed to withstand applicable wind load requirements as prescribed in the state building code. Subd. 2. Treatment. Metal towers shall be constructed of, or treated with, corrosive resistant material. Wood poles shall be treated wood in conformance with the building code. Subd. 3. Grounding. Antennae and metal towers shall be grounded for protection against a direct strike by lightning and shall comply as to electrical wiring and connections with the national electrical code. Subd. 4. Climbing. A tower affixed to the ground shall be protected to discourage climbing of the tower by unauthorized persons. Subd. 5. Appurtenant structures. No antenna or tower shall have affixed or attached to it, in any way, exc ring time of repair or installation, any Lights, reflectors, flashers or other illuminating device, except as required by the Federal Aviation Agency or the Federal Communications Commission, nor shall any tower have constructed thereon or attached thereto, any platform, catwalk, crow's nest or like structure, except during periods of construction or repair. 425.135. Non-conforming installations. Subdivision 1. General rule. Antenna and towers in existence on January 18, 1986 which do not conform to or comply with this section may continue to exist for the purpose now used but may not be replaced or structurally altered except as provided in subdivision 2 without complying with this section. Subd. 2. Replacement. If a non-conforming tower is damaged or destroyed the tower may be repaired and restored to its former use, location and physical dimensions upon obtaining a building permit therefor, but without otherwise complying with these regulations, provided, however, that the cost or repairing the tower to its • former use, size or location does not exceed 50 percent of the cost of a new tower of like kind or quality.