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Work Order No. 51 Aviation Boulevard Extension Alternative Alignment Study A. Corridor Survev: The Consultant will provide topographic design survey services necessary to support and facilitate contemplated design and permitting activities associated with this project. This task will consist of the preparation of digital base map topographic surveys in accordance with the Professional Land Surveyors in Chapter 51-17, Florida Administrative Code, pursuant to the intent of the Florida Standards of Practice set forth by the Florida Board of Professional Surveyors in Section 472.027, Florida Statutes. TOPOGRAPHIC SURVEY 1. Establish horizontal and vertical control. • Horizontal Control will be based on North American Datum of 1983 (NAD83), State Plane Coordinate System, Florida East Zone. • Vertical Control will be based on North American Vertical Datum of 1988 (NAVD88). 2. Locate all improvements and utilities, as evidenced by above ground features or if designated and marked by the Utility Owners or their designated representative or a contracted service at the original time of field visit. 3. Obtain spot elevations on natural ground and existing improvements suitable for interpolation of one -foot contours to be shown on the final drawing. 4. Establish a minimum of two (2) site benchmarks. 5. Topographic coverage will be limited to the area outlined in red on the attached Exhibit "B". 6. Location, top elevation, pipe size and type, and pipe invert elevations for all inlets, storm and sanitary manholes, and control structures. 7. Locate trees 8 -inch diameter and larger measured at breast height (DBH). 8. Locate wetlands line as flagged by clients Environmental Consultant if required. 9. Locate soil borings as established by the client's Geotechnical consultant if required. SKETCH AND DESCRIPTIONS Provide Surveying Services to meet the Standards of Practice as prescribed by the Florida Board of Professional land Surveyors in Chapter 51-17 FAC, Section 472.027 of the Florida Statutes. The survey will include the following: 1. Prepare six (6) descriptions as designated by the client. 2. Prepare six (6) sketches of the same, suitable for recording in the Public Records of Indian River County, Florida. B. Geotechnical Investigation: The scope of our work will include collecting existing pavement section data, soil stratigraphy data, and groundwater level data within the proposed roadway improvement areas. In addition, we will provide soil parameters to be used in the design of the drilled Page 2 of 11