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Page 3 <br />(Exhibit K – (Amendment to Owner-Engineer Agreement) – Attachment 1) <br />EJCDC E-500 Agreement Between Owner and Engineer for Professional Services. <br />Copyright © 2008 National Society of Professional Engineers for EJCDC. All rights reserved. <br /> <br />controller cabinet assembly on their existing concrete <br />foundations in place; therefore modifications to the <br />aforementioned traffic signal controller cabinet and power <br />supply/lighting controller cabinet assemblies will not be <br />required for this project. <br />2.2.3.1.5 Based upon a lack of available as-built information pertaining <br />to the existing traffic signal system, it is assumed existing <br />conduit capacities between the signal controller cabinet and <br />existing signal handhole will allow for installation of new <br />signal cabling, as well as removal of obsolete signal cabling; <br />therefore, the installation of new conduits between the signal <br />controller cabinet and the signal handhole will not be required <br />for this project. <br />2.2.3.2 Northeast Quadrant <br />2.2.3.2.1 The existing pedestrian push button and sign will be removed <br />from the existing mast arm assembly. The existing pedestrian <br />signal heads for the north and east crossings will be relocated <br />to a new pedestrian signal post assembly that will be placed <br />near the assumed level landing area of the northeast curb ramp <br />opening. New APS units will be installed on the new <br />pedestrian signal post assembly, with one APS unit to be used <br />for the north crossing and one APS unit to be used for the east <br />crossing. <br />2.2.3.2.2 New conduit openings will be drilled into the existing signal <br />handhole in the northeast quadrant to provide connection to the <br />new pedestrian signal post assembly. <br />2.2.3.2.3 Based upon a lack of available as-built information pertaining <br />to the existing traffic signal system, it is assumed existing <br />conduit capacities between the existing signal handholes in the <br />northeast and southeast quadrants will allow for installation of <br />new signal cabling, as well as removal of obsolete signal <br />cabling; therefore, the installation of new conduits between the <br />existing signal handholes in the northeast and southeast <br />quadrants will not be required for this project. <br />2.2.3.3 Northwest Quadrant <br />2.2.3.3.1 The existing push button and sign for the north crossing will be <br />removed from the existing pedestrian signal post assembly, and <br />replaced with a new APS unit. <br />2.2.3.3.2 A new APS unit will be installed on the existing mast arm <br />assembly adjacent to an assumed level landing area, and to be <br />used for the west crossing. <br />2.2.3.3.2.1 It appears the existing pedestrian signal head located on <br />the existing mast arm assembly is greater than 5 feet <br />west of the west crossing cross walk lines, which does