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May 17, 1990 �G� <br /> Mary Qimingham <br /> Everctt Ciry Plenning <br /> 6verctt Ciry HaU <br /> � 3002 Weueoro <br /> Everett, WA 981A1 <br /> Re: 3rd Avenue Minl Storege Swale Wc'v Review <br /> As you requested,I have reviewed the design of Kege,l and Associa[a concrete weirs for the <br /> wedand swala at the 3rd Avrnuo mini storage proje<x. '!'ho construction details and <br /> prupased elevations ue fine. My only conam wes the 1 5/B"dimepsion o[Ne slot. A <br /> converution with 7ack Motvet,the desigier,reveuled that the slot dimension is roocdinated <br /> with the detention suppty pipe�ow, <br /> My observadon is that t6e slot may become ctoggul v.it6leaves and o;her debris. Jack <br /> indicatea that maintcnana is anticipated. I reviewecl the planting scheme, and iri faa, <br /> periodic in undauon to elevatlon 58282 wHI not be a problem for the wedand as desi�ed. <br /> The wetland plantinga will not be damaged by tl�y tu�h��q•a�er�e�,el, 't'!�e only change to <br /> the weir d�is the addltion of a splash block nt the base of the 3'aidth ot flu notcL to <br /> dissipate the spill waeer flows. <br /> If you have any funher quutions,please contact me. <br /> S' cetely <br /> � <br /> D , C <br /> ' H.Ha /+p <br /> I <br /> KF�3/jro! <br /> D.+�7U E�nnS n�n,lssoCu��t InC <br /> E44L1'EFAS,A'I1�flU0.5,PLl\\'Efs,Lti�'D1'CIYEARCN17EClS,X:IE�7075 <br /> OFfiC6 L\'OREt:OS,Y.it}II�'GNRA�D UIJPoR�U <br /> 301�IISTH.��'E1LT S.E..St'ItE 170 <br /> Bfl�FN1E u'.15HL�GNv 9wNIf�W�� <br /> (]O6)1f53571 f,l\(IU6)I55�)061 <br />