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�E� �oflr+so� �ssoci��r�s <br />���zPACIFICAVENUG • LVERETT.WA,�8201 • 120G1259�GO�i1 <br />� � l `0 <br />yEMTLE G24�4GG1 <br />April23, 1975 <br />Ivir. David A. Brandvold <br />P. O. Box 428 <br />Mukilteo, Washington 98275 <br />U[LL[VUE �» •- <br />Reference: Lynnewood Avenue Plat Clearing and Grading <br />Site Investigation - April 23, 1975 <br />Dear Dave: <br />As you reque;ted, I am writing this letter confirming our conversation on the site <br />while investigating a deposit of clearing debris and eartl� nn the northcasterly side <br />of Lynnewood Avenue on property owned by you. <br />Prom what I was able to observe, the fill material you have deposited consisting of <br />logs, trees and branches, other debris and earth appears to be quite stable at this <br />present time. However, I would suggest procedures which would reduce risk of <br />excessive settlement and erosion i� protect the adjacent properties and tVie drainage <br />course located at the bottom of the ravine. <br />To improve t�� stability oE this fill, I would suggest that the material consisting of <br />clearing debris be compacted in layers with adequate eartll to fill all voids. You <br />yhould also provide adequate diametrr drain tile to conduct water which is flowir.y <br />from the south into the fill area, around the fill and discharge in a manner to prevent <br />erosion. You should also provide fcr storm drain control at Lynnevaood Avenue so <br />that vaater will not be alluwed to discharge over the bank onto the fill area. After <br />the fill has Ueen placed and c�mpacted, the area should be sloped away from Lynnewood <br />Avenue at at least a two (2%) percent slope and the area should be covered with top <br />soil compacted and seeded with grass to prevent erosion and provide runoff for storm <br />water . <br />If the above precautions are taken, it is <br />will not endanger downstream property <br />course at the bottom of the ravine. <br />my oPinion that the fill material as placed <br />nor will it endanger the natural drainage <br />Please call me if you have any further questions. <br />Sin <br />��� CITY OF EVEF'.L'�' i <br />Levon 7ohnson APPROVED FOR BUILUING f'L'R'�j�i <br />President rnt�� f is�-�j,j_..-. RY—(�� "-�--- <br />/le <br />Enpinr.erc A�chirer.ts Pl:avrers S��n'�'Y��s <br />