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5-19-15 8,((, IMPROVEMENT OF THE INTERSECTION OF SR 60 & 43RD AVENUE °� DSS " f PROFESSIONAL CIVIL ENGINEERING & STRUCTURAL ENGINEERING SERVICES AMENDMENT NO. 7 TO THE PROFESSIONAL ENGINEERING/LAND SURVEYING SERVICES AGREEMENT BETWEEN ARCADIS US, Inc. (fka ARCADIS G&M, Inc.), Inc. AND INDIAN RIVER COUNTY, FLORIDA. This is an amendment to the existing Engineering Services Agreement (AGREEMENT) dated September 6, 2005 between ARCADIS US, Inc. (ENGINEER) and Indian River County (COUNTY). This amendment addresses changes in "Section I — Project Limits and Description", "Section III - Scope of Services", and "Section V - Compensation". Amendment Description This Amendment includes the following: "SECTION I - PROJECT LIMITS AND DESCRIPTION" is being modified to incorporate the following: Consultant services are required for the preparation of road design plans; bridge plans; permit applications and utility relocations associated with the construction of SR 60 / 43rd Avenue Intersection Improvements. ARCADIS US, Inc., was contracted to design the widening of 43rd Avenue from 26th Street to 18th Street. The project was designed at the same time as the widening of 43rd Avenue from 18th Street south to 8th Street, designed by Carter Associates, Inc. Both designs assumed that construction would happen concurrently, so design of a transition from the new four lane configuration to the existing two lane configuration was not necessary for either plan. In addition, part of the stormwater drainage system for the ARCADIS design was to be directed south and treated in the Carter design. It has been determined that the roadway widening and drainage system south of 18th street (the Carter design) will not be constructed at this time and the plans should be revised to provide for a transition from four lanes to two lanes. In addition, a new drainage system design to accommodate the portion of the ARCADIS project that was directed south into the Carter project is necessary. The design will consist of inlets and pipes to convey runoff from 43rd Avenue to a new stormwater drainage pond. Hydraulic calculation will be performed to size the pipe system and the stormwater drainage pond. The roadway plans and profile sheets will be revised to show required improvements. The FDOT has reviewed the previously submitted plans and has provided comments to the COUNTY and ENGINEER. ENGINEER will revise the plans to address the FDOT's comments and to update the plans to the current FDOT design standards. The following plan sheets will be modified: Page 1 of 6 G:\LNR Support\Proposals\WPB\2015\SR 60 - 43rd Avenue\SR60 - 43RD AVE AMENDMENT 7 3-24-15.doc