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S <br /> <br />• drainage structures should be conducted periodically to ensure proper performance. We recommend <br />that the new gravel surface be constructed with a crown or super elevation of at leas[ 2 percent. <br />Limitations: This report has been prepared in accordance with generally accepted soil and pavement <br />engineering practices in this area for use by the client for design purposes. The conclusions and <br />recommendations submitted in this report aze based upon the assumed traffic loadings and the data <br />obtained from [he [es[ holes advanced along the subject roadway. If during construction, soil and <br />ground water conditions appear to be different from those described herein, [his office should be <br />advised at once s9 t reevaluation of the recommendations may be made. We recommend the on- <br />site observation ,bf {~e subgrade proofrolling, gravel placement and compaction by a qualified soils <br />engineer. ~ ~ / <br />Brian D. <br />• <br />• <br />-t-~ ac~ <br />