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Atthelm Construction <br />Jim Az111e1m <br />17160 Dike Road <br />Mount Ver�o��. WA 98273 <br />October 31. 2011 <br />Filterra`�� Activation Letter <br />Achilles USA (nc- Everett, V►'A <br />Silc Acl�i�ess: 1�107 80t1z Street SW <br />Dear Sirs <br />1 e (fd <br />Bioretention Systems <br />This leiter should be used as ofCicial notificaiion io your local jurisdiction witll regard to <br />the acti��ation oi'yo��r Filterra Systems. <br />Americast hereby confirms that t�vo (2) Filterra�' units �vere supplied as per the approved <br />plans; this being one (1) unii 6.33'Y6.33' in size and one (1) unit 6'YS' in size. <br />The Top Curb (TC) of the Filierra appears to be correctly installed (noC by Americasi) at <br />a higher elevation than 1he bypasses' TC elevation, promoting correct bypass flo«-. <br />Pa��ement grading, ct�rb and gutter (not b}� Americast), near the Filterra'�' unit also appears <br />to be installed to promote the correct sheet to cross linear gutter flow. <br />Please be aclvised that after installaiion (not by An�ericast), the Filterra� siormwater_ <br />treatment units I:or the above referenced project were activated (by Americast) on <br />August 26th. 201 1. Unit was activated using a Virginia Sweetspire. <br />The 1 year mainten�tnce contract included ���ith the product is currenlly in effect and will <br />e�pire on August 26ih, 2U12. The Filterra�' Operation and Maintenance Manual is <br />availzble upon request. <br />Please contact Americast if any additional information is needed. <br />Yours sincerely, <br />���� <br />G <br />Dean Baddorf <br />En�ineer Support Manager <br />Filterra� Bioretention Systems <br />Manulactured by Americast "I': (804) 752-1454 <br />1 i3�2 Virginia Pc�ccasLlZoad F: (804) 798-8400 <br />l�shland, V'�123005 L?: dbadclorf�7i�lillerra.com <br />�� _ <br />�;�����CAST <br />not just concrete, cancrete solutians. <br />�� �� �� .filterra.coni <br />�� <br />