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• 49 h Street — extend proposed 16 -inch diameter water main from <br />approximately 100 feet west of 66`h Street to 200 feet east of 66`h Street for a <br />total distance of approximately 400 feet. <br />• 53" Street — extend proposed 12 -inch diameter water main from 100 -feet west <br />of 66`h Avenue to 200 feet east of 66 h Avenue for a total distance of <br />approximately 400 feet. <br />• 57`h Street —extend proposed 8 -inch diameter water main from 100 feet west <br />of 66h Avenue to 200 feet east of 66`h Avenue for a total distance of <br />approximately 400 feet. <br />The total length of the water main improvements will be distance of approximately <br />19,000 linear feet on 66`h Avenue and 5,140 linear feet on the various side streets for a total <br />distance of 24,140 linear feet or 4.57 miles. <br />Right of Way Maps and Sketch and Legal Descriptions <br />The right of way maps and sketch and legal descriptions for the project will be modified <br />to include existing topographic physical features. Existing physical features including structures, <br />pavements, driveways, mailboxes, fences, and other existing improvements will be added to the <br />right of way maps and sketch and legal descriptions. <br />Corridor Study <br />A corridor study will be prepared for 66`h Avenue from south of 26b Street to north of <br />57`h Street. The corridor study will consist of a brief report describing the existing conditions and <br />the proposed improvements. The corridor study will include discussions of the following items: <br />• Project location <br />• Existing conditions <br />• Typical Section alternatives <br />• Alternative Alignments <br />• Preferred alignment <br />• Safety Considerations <br />• Costs <br />• Long Range Planning <br />• Environmental Impacts <br />Traffic Signals <br />A traffic signal system will be designed for the intersection of 66`h Avenue and 57`h <br />Street. The Traffic signal will be designed in accordance with Indian River County standards. <br />57`h Street Intersection <br />Indian River County desires to expedite the construction of the section of 66`h Avenue <br />from the North Relief Canal to north of 57`h Street. In addition, modifications to the typical <br />section and alignment of 57`h Street west of 66`h Avenue are required due to right of way <br />considerations. ARCADIS will revise the plans for 57th Street west of 66`h Avenue, and will <br />prepare a separate set of stand alone plans for construction of the section of 66`h Avenue from <br />Page 2 of 6 <br />G:\LNR Support\ADMIN\itarketing\Proposals\WPB\2007\66 th Ave Amendment No 3- 12-12-07.doc <br />