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Indian River County <br />b)Iprot)evIeirts to 53"' Street & Old Dixie Highwg7 <br />Laboratory Testing <br />Page 4 <br />Project h'o. PSL -08-2558 (BG 11.4) <br />1. Laboratory examination (classification) of the material samples and physical property <br />tests of same to establish their plasticity, gradation, organic content, moisture content, <br />LBR and corrosion potential. Consolidation testing; may be performed on soft <br />cohesive soils should they be identified in the borings conducted in the unimproved <br />roadway section. <br />Reporting <br />L Preparation and submittal of a report that presents results for the roadway soil survey <br />and structures investigation as detailed in Chapter 9 of FDOT's Soils and Foundation <br />Handbook (2006). The report will address plastic and/or organic soils (limits and <br />volume), if present, projected water table levels, and design/constiuction options to <br />deal with plastic/organic soils and perched water (e.g., medians). The report will <br />include cross-sectional profiles of the subsurface conditions with soil classifications. <br />Our geotechnical budget does not include costs for rental of earth moving equipment to access <br />heavily vegetated or un -level terrain areas. Our intent will be to adjust the boring locations so as <br />to avoid the need for clearing activities. <br />Where necessary, we assume that access to the roadway aligrunent through private properties <br />will be coordinated by the County. <br />We strongly recommend that the -project surveyor survey the horizontal uric/ vertical positions <br />of the borings and piezoinetersm This data (elevations) is key to establishing cut depths for <br />unsuitable soils and tit seasonal /high ground;vater levels (elevations). <br />SCHEDULE <br />Following receipt of your written authorization to proceed, we estimate that aur schedule for the <br />geotechnical work will be as follows: <br />• Project start=up, boring layout and utility clearance —1 week <br />• Field exploration -2 weeks <br />• Laboratory testing —2 -to 3 .weeks <br />•Engineering analysis, ,preparation and submittal of draft report — 2 weeks <br />• Finalize report - 1 week <br />SCHEDULE TOTAL: 8 to 9 weeks <br />Dunkelberger <br />