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• SUMf~.ARY <br />In our opinion, the proposed waste dump slope design <br />I within Streeter Canyon of 4 horizontal to 1 vertical is ade- <br />^ quate, if not somewhat conservative. It appears feasible to <br />r begin filling at an increased slope of Z horizontal to 1 <br />I vertical provided ground water does not build up within the <br />fill. Based on the limited available data, significant ground <br />water buildup within the fill will probably not occur. Thus <br />placement of elaborate and expensive drainage blankets under <br />the fill is probably not warranted. However, several design <br />and construction procedures are discussed in the report to <br />I minimize ground water builduu and to monitor the performance <br />of the embankment. As filling proceeds, depending upon the <br />site and fill conditions, it may be necessary to take addi- <br />tional steps to control ground water and/or to alter the fill <br />placement to obtain a more stable embankment configuration. <br />;• <br />~f <br />L <br /> <br />s',. <br />1~3 <br />L"`' <br />