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10.26.2021-SBN-Standards-Manufacturer-Additions-Minor-Revisions-final
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10.26.2021-SBN-Standards-Manufacturer-Additions-Minor-Revisions-final
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5/6/2024 3:44:43 PM
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5/6/2024 3:43:30 PM
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Board of Public Works
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City Property
Document Date
5/6/2024
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SECTION 6 – TRAFFIC AND LIGHTING <br />90 <br />Plans should indicate light source type, luminaire wattage, total initial lumen output, estimated light loss <br />factor, the average illumination level, uniformity ratio, equipment location, luminaire table, and service <br />point amp table. <br />Connections between lights shall be No. 4 gauge copper wire with No. 10 gauge copper wire installed <br />from base of pole to luminaire. <br />The lighting of a roundabout should be in accordance with AASHTO Roadway Lighting Design Guide <br />and NCHRP Report 672. Lighting should include the central circulatory roadway and extend at least 400 <br />feet from the circulatory roadway along all approaches. Light of the approaches should also extend <br />through any pedestrian crosswalks and/or splitter islands. <br />All lighting equipment is to be barcoded. The Contractor shall provide a list to the Bureau of Traffic <br />and Lighting. The Bureau will create the barcodes which are then to be secured to the equipment by the <br />contractor. <br />6-6.2 LIGHTING HANDHOLES <br />Refer to Section 6-3.6 SIGNAL HANDHOLES for lighting handhole requirements. <br />6-6.3 CONDUIT <br />Conduit shall be two (2) inch Schedule 80 HDPE and installed with tracer wire for future locates. The <br />HDPE shall be suitable for direct burial applications and shall not be installed when either the temperature <br />or ambient temperature is below negative ten (–10) degrees Fahrenheit. Schedule 40 HDPE conduit may <br />be used in an existing tree-lawn area that is already developed.
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