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V. ANl�LYSfS AND UESIGN OF REQUIREU RUNO'FF CONTROL BMPS <br />(TREATMENT QND STREAM BANK EROSiON �CONTROL) <br />The existing impErvious area = 47794 s.f. The proposed impervious area = 52,367 s.f. The <br />increas�a in impervioua area = 4573 s.f. It is our und�erstaading of the City of Everett <br />requirements that if the increase in impervious area is less than 5Q05 s.f., no runofF control <br />is reqUired. Therefore, no detention facilities have Ioeen provided. See the drainage maps <br />in Appendix A. <br />A wetpond per City of Everett requirements has be.en provided in the northeast comer of <br />the site. It is sized to accommodate all imperviouef surfaces subject to vehicle traffic plus <br />same iandscape areas. <br />