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FIGURE 8: EXISTING CONDITIONS MAP <br /> -'5 ,- -7-- COSTCO WHOLESALE FUEL FACILITY EXPANSION <br /> 10200 19Th AVENUE SE, EVERETT, WA 98208 a <br /> 40 ii 8 0 40 COSTCO FUEL FACILITY # 114 a • a) o '� <br /> x • ) , oZ <br /> fig: EXISTING CURB AND GUTTER I I z▪ a 3 <br /> "� HYDRAULICALLY ISOLATE THE SITE -' U W <br /> • <br /> -* FROM OFF-SITE FLOWS <br /> • O) <br /> IL <br /> 1 -A:. M-.sem.r -------- .— -: .,,, <br /> A <br /> y r= .-he•el4 n.,, _:Altr_.- .! _Lt n n —t <br /> Z 8 <br /> CV 19. <br /> , p. <br /> X 9 COp <br /> W <br /> - 41 V <br /> __ + _ `N4S54'14* il <br /> d' <br /> -- r !F 1 - - 28.74' <br /> _ e <br /> ,,I::::111.t.::, tal <br /> , I n Pc('-..i 1 ; • . 1 <br /> TFfa <br /> . , 0 I NUNDERCANOPY7 <br /> ISOLATION SWALE <br /> i ‘`)-------; s , <br /> I ` of 1,--e - --,-- ,_I - W <br /> -� CSI _ h'<fl, -I <br /> t c _01 r EC n• a <br /> il <br /> IF U c_' ' t't..--L'------ <br /> s _p' x a <br /> 1-7- �r o� , RIS RI! 1 1 -DGE I V ��i Q <br /> , <br /> _ . I I <br /> 1 , I 0 <br /> n <br /> 4 - -- II U11 I :...1-• 1 o RIDGE ` <br /> m I � 1:':\\ill • _ <br /> JL511 <br /> It 40------_>" SO - r-f ,tl,•r:ed. 1 `�_ �.,6`, <br /> \, 1_S VAULT STORMWATER DETENTION <br /> I�1 - _ <br /> EXISTING ��° <br /> El ., ..411g:f• .. ' <br /> I.1 ; : * i EXP.04.0420 n* , <br /> i O > <br /> 1 , ,, +� n <br /> r <br /> 3 0 <br /> CI <br /> Q <br /> 0 <br /> 4 s <br /> Es i <br /> n , 1 < i s g Y 8 <br /> W <br /> —�" $--_--- <br /> - --� O N 88.16'49' W 929.48' MO-- _ _ ^- w <br /> n <br /> — _ - __la u- ozS 88.16'49' E 819.86' N 88.16'49• V3.30 --EXISTING WET/DETETENTION POND 4N>rro <br /> i <br /> z. <br /> y - - ._ VEGETATED TREATMENT CELL o <br /> - . . <br /> W <br /> Z w <br /> Q Z <br /> EXISTING <br /> -{,\I-: 1. ' <br /> n 3 u1�A UZ <br /> EXIS 1 ING S\` ,n N N W y <br /> COSTCO WAREHOUSE • ■/' \\ _ W N N U& <br /> y <br /> -I; I EXISTING STORMWATER MANAGEMENT JgGI. <br /> VAULT WITH FILTER MEDIA - <br /> I Q� <br /> -, _ EXISTING WETLAND t9 <br /> 31-;_ii <br /> PROTECTION AREA EXISTING SERPENTINE 411"e :co4 • <br /> — I' � <br /> i:r; a (ULTIMATE OUTFALL) I BIOFILTRATION SWALE <br /> m n -- F co N <br /> P <br /> r, m N <br /> ti -2 (.D <br />