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.• // r, l Indian River County 9 1 'Lia - Task 01— Vero Lake Estates Stormwater Improvements, Phase I WORK ORDER NO.3 TO THE PROFESSIONAL, CIVIL SERVICES MASTER AGREEMENT BETWEEN CARTER ASSOCIATES, INC., DATED AUGUST 4,1998 AND ® INDIAN RIVER COUNTY, FLORIDA Pursuant to the Professional Services Agreement dated August 4, 1998, by and between Indian River • County, a political subdivision of the State of Florida, hereinafter referred to as the COUNTY, and CARTER ASSOCIATES, INC., (C.A.I.) VERO BEACH, FLORIDA, hereinafter referred to as the ENGINEER, this Work Order No. 3 is an extension of and hereby becomes a part of the MASTER AGREEMENT as follows: s• SECTION I - PROJECT LIMITS AND DESCRIPTION These services will include updating the Vero Lake Estates conceptual master drainage plan (permitted March '97 — July '98) to include the following items in a construction package of plans and specifications to be provided to the County for use in constructing the work. The work will be installed by a combination of County forces and a Contractor selected through a bid process. In addition, CAI will provide technical assistance to the Grant writer, Cape Canaveral Scientific, Inc, in their preparation of a F.D.E.P. Grant application for this project. 1. Project work items include: A. Canal A cross section improvements from C.R. 510 to 95"Avenue B. Canal B cross section improvements from C.R. 510 to 94"Avenue C. Construct new 80`" Street canal from Lake Area 20 to 98'" Avenue D. Construct new 86"' Street canal from Lake Susan to 98'h Avenue E. Construct swales and sod per the appropriate typical block grading plan within areas draining to Canal A as listed in item A above. F. Creation or expansion of two lake areas: Lake 20 - A, B, and C; and Lake Oak - A and B. The alteration of water levels in the existing Lake A. G. Overflow structures from these three lake areas, Inflow structures to the Lake 20 area, and to Susan Lake, and one pipe structure to connect Lake 20-A with Lake 20-B. H. A sub -surface, clay or other impervious material, cutoff wall located between Lakes 20-A, B and C and the existing wetlands. I. Concrete control structures at the discharge points from the typical blocks (located North of 87t", South of 89'" Street, West of 9I"and East of 94'" Avenues) to the Canal A System. CAI will investigate existing grades in this area to determine the control structure weir elevations. However, the work may not be completed until Phase II due to budget reasons. SECTION II - COUNTY OBLIGATIONS The COUNTY agrees to provide the ENGINEER with the following material, data or services as required in connection with the work to be performed under this Agreement: A. Currently available drainage studies, survey drawings, plans, calculations and other data pertinent to the project. B. Title information and title opinion relating to land necessary for the project. C. Landowner authorizations to inspect and enter onto the site(s). D. Landowner negotiations to acquire permission, easements and/or right-of-way necessary for the project. E. Provide coordination with the Planning Department to determine any project construction requirements including the length of time that may be allowed for the excavation section of the 1:\CYN\ENGPROI\IRCStormwtrMgmttmprove\IRC.WORKORDER NO3•VerotlEst.doc Page 1 of