1720 121ST ST SE 2016-01-01 MF Import

CASCADE GEOTECHNICAL i March 9, ?989 i Job No. 892-22G Gustavson Construction ; Page 6 eight (8) inch ductile iron water main may be located within the roadway. IFill scttlement loacis on a pile supported pipe would be likely to damage the main. The main should be equipped with flexible Icouplings and "crowned" to avoid separaticn if placed in the fill at the time of construction. IGeneral � i IIt must be realized that sectlement of the pcoposed roadway is ;,I expected if it is placed over the peat, and periodic pavemunt ' repairs are anticipated throughout the lifetime of the roadway. The recommendations presented in this report are intended only to � mitigate roadway settlement and distress. IWe recommend that we be engaged to review plans as they are prepared and observe subgrade preparation and proof rolling and I observe and test the compaction of structural fill. 1 I We expect the on-site soils to reflect aur findings; however, vari- ations may occur. Should soil conditions be encountered that cause I concern, and/or are not discussed herein, we should be contacted immediately to determine if additional or alternate recommendations a=e required. 1 This report has been prepaced for the exclusive use of Gustavson JConstruction for specific application to the proposed short plat on Silver Lake Road in Everett, Washington in accordance with general- I ly accepted soil and foundation engineering pcactices. No other warranty, expressed or implied, is made.