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� <br /> .,.;: <br /> .�� <br /> � Pl1BL/C N/O/�K5 <br /> � �-� <br /> `:� � <br /> Dec.9. 1998 <br /> Howie Bargreen,General Manager <br /> Bargreen Coffee Co. <br /> 2821 Rucker Ave. <br /> Everen. Wa. 98201 <br /> Subj.: Reservoir#4 Leakage <br /> Dear Mr. Bargrcen: <br /> In October, we met in the field because you are concerned that reservoir#d has leakage that contributes <br /> to slope stability problems on your propem. You suggested to me that the City should install a liner at <br /> rcservoir#4 so that leakage you assumed was occurring would stop. Aker reviewing the filcs, 1 cannot <br /> recommend the course you have requested because no facts warrant it. <br /> Since our site visit, I have reviewed reservoir no.4 "as-built"drawings,a topographic map and rcscrvoir <br /> leakage records for the underdrain system. Reservoir#d was constnicted in 1953 with an underdrain <br /> system which drains to a pipe that is tightlined to the bay.The underdrain system functions properly, <br /> therefore, I believe reservoir no.4 has no bearing on the slope stability problems you are experiencing. <br /> Even though there is no indication that reservoir leakage e�ceeds thc capacity of the underdrain system. I <br /> analyzed what route any possible leakage that exceeded the underdrain system would take, ifoccurring. <br /> Any leaked water from reservoir no. 4 that erceeded the capacity of the underdrain system would <br /> ert�erge as springs uphill of your property. Any such waters would enter two surface drainage channels, <br /> une bypasses your property entircly and the other crosses one corner of your property.Neither route <br /> should have any ad�erse efTects o�.i slope stabiliry problems on your property. <br /> If you ��ould like to Aiscuss this further, please feel free to call me at (d25)257-8R55. <br /> S' �rely, <br /> �'�1 /'c�l�C� <br /> Dan hlathias. P.E. <br /> Utilitias Eneincer <br /> C.C. ClairOliven <br /> Jim �tillcr <br /> HowieDEc <br /> C!TY OF EVERE�• 3e"00 Cedar Street • EveretL WA 98201 •(425)257-88Q0 • Fax(425) 257-8856 <br />