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<br /> <br />r.esponseof the fill to sudden changes in around water con- <br />dition. <br />Inclinometers, when properly installed and operated, <br />can serve as warning devices. Any failure of the crushing <br />and screening level fill would be preceded by increasingly <br />rapid deformations within the body of the fill; these de- <br />formations can be easily detected by the inclinometer. <br />Stabilizing measures can usually be implemented when such <br />deformations are detected and the failure can be avoided. <br />Should the mine management decide to implement the <br />above discussed monitoring program, a period of at least one <br />year would be necessary to obtain sufficient information on <br />the ground water and stability conditions. A much more ac- <br />curate set of data would then be available to support the <br />decisions on the crushing and screening level fill treatment. <br />Whichever alternative of the corrective measures is <br />chosen by the management, it will be necessary to provide <br />reliable surface drainage of the area. Our analyses clearly <br />shoca the importance of keeping the ground water below the <br />original ground and the importance of reliable surface drain- <br />age of the fill area since surface seepage can significantly <br />contribute to such a condition. Problems of surface drainage <br />have currently been studied by Clerrick and Company; if their <br />findings indicate any need for improving the surface drain- <br />age, such measures should be implemented as soon as possible. <br />4.2.2 Other Fi11s <br />A close examination of three Geolo;;ic Sections A-A', <br />B-B', and C-C' (Plates ~ through ~) indicates that other <br />~~ <br />• ~ - 24 - <br />I. <br />II GEONVDRO CONSULTING, INC. <br />