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<br />Woodward.CIyde Consultants <br /> <br />I <br /> <br />.OJ'" q 1\ <br />(..vv- <br />III. MATERIALS AND DESIGN PARAMETERS <br /> <br />1. General <br /> <br />The drill hole and laboratory data for the foundation and <br /> <br />t <br /> <br />embankment materials which were made available by the Bureau <br />are included in the list of data and doc~nts received from <br />them (Appendix A). These were CIOSelY~~died. Included was a <br />table entitled "Narrows Dam - Table~~ty Parameters," <br />which is included in this report as Table 1. ~~r studying <br />all of the materials informatio~~ developed our own <br />parameters and materials desc~Pti9ns for use in our stability <br />h ' , ("-.(7 . f <br />and ot er conslderatlons. SO~~ ~e were dlfferent rom <br />those developed by the Bureau. our~riPtions and values are <br />shown on Table 2, "Nar~-T,able of Stability Parameters <br />used by Woodward-Clyde C~~/cfS:-J <br />The permeability data ~r~he Zone 1 and Zone 2 embankment <br />materials (inClu~}n Table 2~were obtained from the Bureau <br />Repor-t- EM=2 21- t-BdZ~llua ry-l ,,-.19 3-O-toF--t-he-appr-op'r-i.a,te'-'''I'''' --- <br />~ / -' <br />(Zone 1), "X," "X- est" and "X-Southwest" (Zone 2) borrow <br /> <br />t <br /> <br />t <br /> <br />t <br /> <br />. <br /> <br />2 . <br /> <br /> <br />zone, Zone 1, materials were designated to <br /> <br />t <br /> <br />. <br /> <br />be <br /> <br />on the left side of the <br /> <br />reservoir <br /> <br /> <br /> <br />of Stability Parameters <br /> <br />(see Table 1) for the Narrows site the materials were <br /> <br />. <br /> <br />classified as lean clay (CLl with 40% sand and gravel. We <br /> <br />- 11 - <br /> <br />t <br /> <br />~ <br />... <br />