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Portland cement concrete laver(s) if any, and aggregate base <br />laver, if all-*. <br />• Borings will be extended extend to a maximum four (4') foot <br />depth from the surface to obtain bulk samples of the underlying <br />subgrade soils. <br />• Bulk subgrade soil samples will be placed in plastic bags, scaled, <br />and transported to our laboratory for further analysis. <br />• LaBelle Marvin, Inc., shall provide traffic control adequate to <br />protect the traveling public and work force., consistent with the <br />Encroachment Permit requirements. <br />• All sample locations will be backfilled and patched in accordance <br />with Encroachment Permit requirements prior to leaving the site. <br />laboratory <br />v Testing <br />Bulk subgrade soil samples will be visualIN classified and the in- <br />situ moisture content determined upon receipt in the laboratory. <br />• Representative subgrade sample(s) will be selected and tested for <br />R-Valuc strength and aid in defining the most probable long tern) <br />moisture conditions following construction. <br />En-ineerim, Ser -vices <br />• Perform site reconnaissance, <br />* compare field conditions with measured pavement strengths <br />determined during deflection testing. <br />* compare field conditions with thickness data obtained <br />during core sampling, <br />* compare field conditions with compone.ill analysis based of) <br />laboratory subgrade strength testing. <br />• Data developed during R -value testing will be utilized to project <br />probable Field support conditions during construction and <br />highlight where appropriate special care may be required during; <br />roadway preparation. <br />• Evaluation of the present pavement thicknesses utilizing <br />component analysis with H -value strength data will he combined <br />L -11W, * AMUIrVill <br />