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Figure V4.4: Typical Downspout Dispersion Trench <br />level model <br />fi' min. <br />Is' min 4'ped. pipe <br />�e, W 24'min. <br />� � deciI[ck <br />Trench X-Section <br />Lama <br />mad ralcd Laor <br />yam main <br />dope <br />zxlr <br />level irenMes <br />.350 my, 0. <br />Type 1 CB <br />>350 M. ry, <br />standard dispersion <br />tmncF wl noklrtd grade <br />Loam knglL 10- pw 350 <br />s9, a. of mot am <br />Plan View of Roof <br />Soume, King County Wpadmem of Natural Recoumu, 19M <br />NOT TO SCALE <br />Typical Downspout <br />Dispersion Trench <br />�..� <br />R¢vluE Cecertbef2016 <br />DEPARTMENT OF <br />ECOLOGY <br />Pleaas seaMp/Hx.ay.xM.9mu ap ¢N. NmM <br />omlwdgin notion iloknag pm msbs, <br />State of Washington <br />Imteron of Windily, and diacimar. <br />2019 Stormwater Management Manual for Westem Washington <br />Volume V. Chapter4-Page 715 <br />