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Opening of Quotes - Triumph Court Lighting Addition Proj No. 120-006E - Hawk Enterprises, Inc. (2)
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Opening of Quotes - Triumph Court Lighting Addition Proj No. 120-006E - Hawk Enterprises, Inc. (2)
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12/8/2020 4:23:10 PM
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Board of Public Works
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Projects
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12/8/2020
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11. Light Engine Construction <br />a. The LED light engine shall consist of a circuit board comprised of FR4 <br />with thermal vias or an insulated aluminum substrate. LED attachment <br />adhesive shall be no less than 90% pure silver to insure optimal <br />electrical and thermal conductivity <br />b. The complete face of the LED light engine panel shall be conformal <br />coated with acrylic to a minimum thickness of 0.002 inch (dry) to <br />adequately protect the light engine from moisture and corrosion <br />C. The LED light engines shall be environmentally friendly and 100% <br />recyclable. They shall be certified by the manufacturer as conforming <br />to the Restriction of Hazardous Substances Directive (RoHS) adopted <br />in February 2003 by the European Union. The manufactured product <br />will not contain lead, mercury or hazardous substances. <br />12. Electronic Driver <br />a. The driver shall be a DC voltage, current limiting design with a <br />universal 120 thru 277 AC input range <br />b. The driver shall be UL Listed <br />C. The driver shall have a minimum efficiency of 90% <br />d. Driver performance shall meet the following electrical characteristics <br />i. THD: Less than 20% <br />ii. PF: Greater than 0.90 <br />iii. Self-limiting short circuit protection <br />e. Driver shall contain over -heat protection which reduces output to less <br />than half rating if case temperature reaches 85°C <br />f. Must pass the U.L. lightning surge test and isolate the LED light engine <br />from power line transients <br />13. Warranty <br />a. The Light Engines shall be free from all defects in materials and <br />workmanship for a period of five (5) years from date of manufacture <br />b. The driver manufacturer shall guarantee the power supply be moisture <br />proof and capable of performing for a minimum period of five (5) years <br />C. Shop Drawings: Provide detailed dimensions and components of luminaire and pole. <br />2. Conduit and Wiring <br />A. See City of South Bend Standards and Specifications, §6-6 <br />B. Conduit shall be two (2) inch Schedule 40 HDPE and installed with tracer wire for future <br />locates. The HDPE shall be suitable for direct burial applications and shall not be <br />installed when either the temperature or ambient temperature is below negative ten (- <br />10) degrees Fahrenheit. <br />C. Conduit shall be installed by directional drilling with minimal disturbance to existing <br />sidewalk and tree lawn. Any disturbance to existing landscaping shall be restored and <br />treated as an incidental cost included in the quote amount. <br />D. Connections between lights, including circuit wiring and ground, shall be 2x No. 4 <br />gauge copper wire with 1x No. 8 ground. No. 4 wire shall be 4-1/C, No. #4, THWH, <br />Colored, Stranded Copper in Cable -Duct to be placed in a conduit. <br />E. No. 10 gauge copper wire shall be installed from base of pole to luminaire. <br />3. Handholes <br />A. See INDOT §807.09 <br />B. Handholes shall be small heavy weave fiberglass reinforced polymer concrete service <br />boxes. <br />Version 2/14/2020 Page - 7 Public Works Quote <br />
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