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� <br />o ��C��d� D <br />AUG 2 5 19°2 <br />.......... _ ...................... ........ <br />C I7 ( C," EVER[TT <br />lildg. Parmlt Counter <br />TO: <br />FROM: <br />DATE: <br />SUBJECT: <br />MEMORAIQDUM <br />Gordon Witcher <br />Jane Zimmerman <br />July 2, 1992 <br />����anr� r�� <br />JUL g �� J <br />g2 <br />PERiEEi ENGIHfENING, IHC. <br />Plan Review, SEPA #92-16, Frontier Bank <br />CONDITIONS OF APPROVAL• <br />Since the SEPA determination has nnt been received yet, it <br />is not known whether or not the plans meet all the <br />mitigation requirements. Further comments may be generated <br />once this document is received. <br />A copy of the HPA, or a letter from the Department of <br />�,i Fisheries stating that an HPA is not necessary for this <br />site, must be included with the revised set of plans. <br />- . i <br />i <br />c.�` <br />An easement must be shown on the plans for the location of <br />the biofiltration swale, detention pond, and associated <br />piping. A copy of the easement must be provided to the <br />City. The adjacent property owner(s) must be fully aware <br />that these facilities are intended to be permanent and that <br />their location will decrease the amount of land available <br />for development on parcels B and C. <br />CALCULATIONS <br />Calculations have not been received at this time. <br />Detention: <br />The following information regarding the detention pond must <br />be submitted to the City for review and approval: <br />1) completed City of Everett Drainage Calculation <br />Form <br />2) orifice sizing calculations <br />3) stage-storage relationship <br />Veaetated Swales• <br />of the pond <br />Current City standards call for vegetated swales to be <br />designed for the 2 year, 24 hour storm peak discharge, with <br />