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. ~'; ~ , <br />3. Use of 50 to 100 foot thick lifts will not result in the creation of voids or <br />reduce density to a degree which has any significant effect on spoil pile <br />stability (refer to CTU'fhompson report dated March 1, 1991, Job No. <br />16,516). <br />If you have questions, please call. <br />/~ 2284 <br />Mark .Gray, P. . ~ ~ <br />Project Engineer ,:;~ n~'r_ ~~9 ~;.~ <br />Reviewed by: <br />Ronald M. McOmber, P.E. <br />Associate <br />MGG:RMM:mg/kpo <br />(5 copies sent) <br />-2- <br />