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FIGURE 9: DEVELOPED CONDITIONS MAP <br /> COSTCO WHOLESALE FUEL FACILITY EXPANSION <br /> 10200 19TH AVENUE SE, EVERETT, WA 98208 a_ a <br /> 40 ;� 410110 COSTCO FUEL FACILITY # 114 *` <br /> N ` <br /> OWN <br /> _ mg7i EXISTING CURB AND GUTTER 6 a 3 J <br /> THE SITE <br /> Y -A-p 44 S E - <br /> HYDRAULICALLY ISOLATE <br /> a' FROM OFF-SITE FLOWS a <br /> s <br /> cc <br /> — — 102ND STREET SE c~n <br /> a <br /> 0 <br /> ---_ ____ _ N43'54'14eV �' <br /> '-- - 28.74' <br /> 8 <br /> l/ f <br /> _ � ;, <br /> �'►., CANOPY <br /> I ( n `cam �I •D _I o ISOLATION SWALE <br /> PROPOSED UNDER <br /> fil <br /> CANOPY <br /> c _ <br /> Pc: <br /> K . <br /> �--._�1 - �. .kms: O .-L <br /> { PROPOSE CONCRETE <br /> -- �! SWALE TO PREVENT <br /> �i71 • ILI <br /> of r " 0. I RUNOFF FROM ENTERING J <br /> a I UNDERCANOPY AREA a <br /> T `a' 3 <br /> U <br /> n J <br /> i i <br /> Vii► rIIr I ii'A� 7 — <br /> r ,. <br /> t -;1 <br /> I <br /> 1. <br /> � <br /> 4 ®, � RIDGE' iil1 I i 1 ! 1 1 — .1 <br /> E <br /> ' r--------------, _ N___.......--7_7—--- . -- c ' ; 4 I \ ' It <br /> Pt <br /> �_ r-�� I <br /> II� ' ' 1 oo—so <br /> D tai �1 p$�..4 <br /> / <br /> �; ��`,` „ ; EXISTING STORMWATER DETENTION C4.1-�° <br /> t VAULT <br /> 1 .0:47,} <br /> II{ --___.. /Y- <br /> EXP.04.04.2 <br /> II <br /> i <br /> I ULTIMATE OUTFALL f g a <br /> g : 3 I N <br /> ® 1, Irk 8 a g s <br /> ® f W <br /> N 88.16'49' W 929.48' � . <br /> _...- g2. : <br /> N 88•16'49' V r 3.30'S 88.16'49' E 819.86' I o <br /> ' ,� <br /> LI <br /> , <br /> <o EXISTING WET/DETETENTION POND Ng VEGETATED TREATMENT CELL o 2 m <br /> II rs,3W <br /> rnnz <br /> r <br /> 45! N� N N a <br /> - Yvv UN <br /> EXISCOSTCO WARr.NG SE , ,. <br /> -iv EXISTING STORMWATER MANAGEMENT yPN./��LM •t, 5. <br /> VAULTS WITH FILTER MEDIA =_�l�";'�� =W <br /> A <br /> EXISTING WETLAND t9a o <br /> PROTECTION AREA EXISTING SERPENTINE b'8 co,,'''' <br /> a BIOFILTRATION SWALE <br /> ----' 2 CO <br /> -- i.'''IL <br /> h 2 CO N a <br />