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CARTER ASSOCIATES, INC. <br />CONSULTING ENGINEERS AND LAND SURVEYORS <br />1708 21st STREET • VERO BEACH, FLORIDA 32960.3472 • 772-562-4191 • 772-562-7180 (FAX) <br />JOHN H. BLUM, P.E, PRINCIPAL <br />DAVID E. LUETHIE, P.S.hL. PRINCIPAL <br />GEORGE& SIMONS. P.E., PRINCIPAL <br />PATRICK S. WALTHER. P.E., PRINCIPAL <br />MARVIN E. CARTER. P.S.M.. Constdt:mt to the Firm <br />DEAN F. LUETHIE. P.E..,K.nn Cansultant to the Firm <br />April 5, 2016 <br />Mr. Michael Nixon, P.E. <br />Roadway Production Manager <br />Engineering Department <br />Indian River County <br />1801 27h Street, Bldg. A <br />Vero Beach, FL 32960 <br />FRANK S. CUCCURESE, P.S.M. <br />CLINTON J. RAH)ES, P.E. <br />STEVE D. SNOBERGER. P.E. <br />Re: Indian River County Project No. 4359 <br />41ST Street Intersection Improvements @ Hwy US 1 and Old Dixie Hwy <br />Revised Amendment No. 2 to Professional Engineering Services Agreement, <br />Work Order No. 1 <br />Dear Mike: <br />We are pleased to present this proposed Amendment for additional professional engineering <br />services relative to the redesign of the 41" Street / US 1 intersection along with the addition of two <br />more new mast arms at the intersection and structural analysis *for the addition of back plates to .all <br />existing signal heads. Please reference the attached Supplemental Agreement No. 1 from McMahon <br />Associates, Inc. dated March 18, 2016 for a detailed scope of signalization design and permitting <br />services. All provisions of the original Executed Work Order No. 1- Engineering -Dated 4/14/2015 shall <br />.remain in full force and effect. <br />CAI Scone: <br />The previous 41" Street / US 1 intersection design consisted of reconstructing US 1 to provide a <br />plateaued intersection in all four directions. (Note: The design and permitting work for the US 1 <br />reconstruction is near 90% complete). The revised design will eliminate plateauing the intersection <br />and reconstruction of US 1. The revised design will tie the proposed widening of 41" Street to US 1 <br />on the west side of US 1 joining at the existing grades. As in the previous design, 419 Street will be <br />completely reconstructed west of US 1 to the western extreme of the proposed improvements. The <br />previous design will remain unchanged for improvements in Old Dixie Hwy and 41" Street west of <br />Old Dixie Hwy. Tasks anticipated to be completed by CAI for the redesign and permitting of the <br />project include the following: <br />0 CAI will meet with COUNTY engineering staff as needed to define design criteria and <br />resolve any design or permitting issues. CAI will prepare a conceptual plan view of the <br />redesign and will meet with COUNTY engineering staff to review the plan which will <br />become the basis for the preparation of detailed construction plans and re -permitting of the <br />project. <br />Seiving Florida <br />Since att <br />N:\PSW\P\14-84E IRC 41st St\Proposals\RevAmendment 2 Proposal 4-5-2016.doc Page l of 2 <br />80 <br />