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Award Quote - 2020 River Lights - Martell Electric, LLC
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Award Quote - 2020 River Lights - Martell Electric, LLC
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9/23/2020 2:12:29 PM
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Board of Public Works
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Projects
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9/22/2020
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2. The work shall conform to the plans. <br />3. The drawings are schematic in nature. <br />4. The CONTRACTOR is responsible for estimating dimensions and quantities of materials. <br />5. In the event that the Special Provisions and the Plans conflict, the Special Provisions shall govern. <br /> <br />XIX. SPECIFICATIONS <br />A. The Lighting Designer for this project is: <br /> <br />1. Shakespeare Lighting Design LLC <br />1806 E. Thornton Dr. <br />Bloomington, IN 47401 <br />812-320-2796 <br /> <br />B. Context: <br /> <br />1. The revitalized park adjacent to the South Face of the Jefferson bridge, the river walkways on the <br />east, and the upstream pedestrian bridge offer the best views of the south bridge face. This is the <br />quiet side of the bridge where the flowing river is relatively noiseless and both sides of the river are <br />green scape. River Lights currently peeks through the arches of the bridge, and its south face is a <br />dark silhouette. <br /> <br />C. Concept: <br /> <br />1. Our lighting concept focuses on the three main southside chalices (piers) connected by points of <br />light along the base of the pedestrian rail, similar to those of the northside. As the chalices are on <br />the upstream side, where lighting from below would be easily swept away by large floating tree <br />trunks and debris, our approach is to light them from above. Due to a limited budget, I have focused <br />on these main central features. <br /> <br />This lighting of the chalices is accomplished by a series of linear color changing luminaires, <br />mounted on the curved rims of the upper chalices, a few inches below the 1’-3” wide coping which <br />extends beyond the pedestrian railing. <br /> <br />These unique “wall-washer” luminaires have a small 4.25” wide and 2.25” height profile and are 2’, <br />3’ or 4’ long, mounted on 18” outriggers, secured into the concrete face. With a slight upward tilt of <br />about 20 degrees, this setback distance enables the light to wash down the chalice face with <br />reasonable uniformity. <br /> <br />The color and intensity of each foot of each light can be independently controlled enabling color to <br />smoothly wrap around each chalice. Typically, the new color begins at the chalice upstream center <br />and flows to either side, like the water breaking around the pier below. Related colors follow, <br />creating a beautiful visual flow. <br /> <br />Points of light, mimicking the north side, compliment the chalice lighting and visually anchor the <br />bridge span at night. Budgetary limits necessitate an effective, but lower priced direct view luminaire <br />on the South Side. <br /> <br />Lighting Control is extended from the north side River Lights control and communication system, <br />adding an additional controller and linking it, mostly through existing low voltage conduit, to the <br />Southside of the bridge. <br /> <br />The overall visual lighting effect can be seen in an attached “snapshot” concept image. <br /> <br />D. Details <br /> <br />1. Typical low profile IP66 linear RGB grazing luminaires produced hot spots at the top of the <br />Chalices and dim gaps between luminaires, which are unacceptable. The apparently unique <br />asymmetrical wall-washer, from Lumen Pulse, projects a relatively uniform wash of downward <br />Version 2/14/2020 Page - 6 Public Works Quote <br /> <br />
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