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<br /> <br />1 <br />1 <br />1 <br />1 <br /> <br /> <br />1 <br /> <br />1 <br />1 <br /> <br /> <br /> <br />1 <br />1 <br />1 <br />1 <br />- 23 - <br />5.3 SAMPLING AND TESTING OF WASTE ROCK MATERIAL <br />Stability analyses have been performed and preliminary <br />design recommendations made based on a range of assumed <br />material properties of the waste rock material. A program <br />of sampling and testing of this material will be undertaken <br />when representative waste rock material becomes available. <br />This will insure that the assumed material properties are, <br />in fact, appropriate for the waste material and it will en- <br />able a review of the recommendations of this report. <br />Sampling and testing should be undertaken to evaluate Che <br />following properties of the waste rock: <br />o Particle size distribution <br />o Index properties <br />o Estimated percentage of different lithologic types <br />o Density <br />o Shear strength characteristics, which could be <br />evaluated by direct shear or triaxial tests, <br />depending on the particle size distribution <br />o Susceptibility to weathering. <br />~~*~* <br />Denver, March 31, 1981 <br />GEO-HYDRO CONSULTING, INC. <br />Michal Bukovansky <br />Senior Engineering Geologist <br />t~ ~~ ~iI<tlilsSG ~w <br />l~s ~' Graeme Major <br />p~ ~ e~ Project Engineer <br />r,EONroao ca~.w~nwc, iwc. <br />