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• Drainaee: The collection and diversion of surface drainage away from [he roadway area is extremely <br />important for satisfactory performance of the roadway. The desigo of surface drainage features should <br />be carefully considered to remove all water From all roadway areas. In addition, [he maintenance of all <br />drainage structures should be conducted periodically [o ensure proper performance. We recommend <br />that the new gravel surface be consvucted with a crown or super elevation of at least 2 percent. <br />Limitations: This report bas been prepazed 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 are based upon the assumed traffic loadings and the data <br />obtained from the test holes advanced along the subject roadway. If during construction, soil and <br />ground water conditions appear to be different from those described herein, this office should be <br />advised at once so that reevaluation of the recommendations may be made. We recommend the on- <br />site observation of thery~grade proofro ' g, gravel placement and compaction by a qualified soils <br />engineer. ~~ <br />Sincerely, <br />Brian D. Len, <br /> <br />• <br />-~R a~ <br />