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��� <br />A�x <br />9 H [n <br />K�n <br />H x! <br />'�tl Fx-� � <br />V1M <br />�p <br />� H C7 <br />��8 <br />c� - qqo <br />rHz <br />h-� H <br />g �' <br />ody <br />��M <br />HOti <br />�� <br />c.y <br />March 20, 1990 <br />Project No. 2890 <br />Page 4 <br />F� , , <br />DAVID L. N[LSON AND ASSO�.IATES, INC. <br />Consulting Enginecring G:alugy <br />t <br />Our opinion of the fill placed on the slope area Uy the neighbor to the sout. <br />is that it is unstable and at risk. Our opinion is that this fill in its <br />% present state should not significantly impact your site if failure occurs. <br />However, this cannot be stated with absolute certainty. We recommend that the <br />current condition be documented, in t.ddition that the neighbor does on the <br />A slope. We strongly recommend that you do not allow fill from your excavation <br />to be placed on his slope, otherwise you could have some implied liability. <br />� <br />n <br />CONCLUDING OPINIONS <br />General <br />In general, we conclude that the evaluated site area should be compatible <br />with th�: proposed residential development usage. The underlying glacial till <br />is considered a stable soil unit, even at steeper slopes. We recommend that <br />all footings be founded in unweathered till. This should reduce the <br />inFluence of any instability of the surficia`. soils. We recommend that <br />project design and site preparation take into account the sloping character of <br />portions of the site. Specific qeotechnical evaluation and recommendations, <br />oth�r than those ciscussed herein, are not anticipated. <br />Specific evaluation ar.d determination of slope stebility may be required if <br />the neighboring slopt fill area to the south becomes unstable. We sug9est, <br />prior to construction within this site area, that the neighbor be contacted to <br />discuss potential slope failures, the City of Everett be notified of the <br />present conditions, and that provisions be made if slope failure occurs. <br />Excavation Considerations <br />it is apparent that excavation within most of the building area will be <br />rewired within the existing fill and sloping portions of the site, to <br />accommc'_ate foundations and floors. The sloping character of the ground and <br />proposed finished floor elevations may result in earth cuts and "stepped" type <br />foundations along downslope building lines. <br />