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19-102337LEGEND EXISTING T1NG ASP HALT L T PR OPOSED P OSED A PN A T SITE PLAN PROJECT DATA EXISTING CONCRETE a PROPOSED CONCRETE COSTCO WHOLESALE FUEL FACILITY EXPANSION CLIENT: 999 LAKOE DRI E SALE ISSAQUAH, WA 98027 ------------------ EXISTING CURB PROPOSED CURB 35100 ENCHANTED PARKWAY SOUTH FEDERAL WAY7WA 98003 PROJECT ADDRESS: 35100 ENCHANTED PARKWAY. S. ...... -_------- --_----------- ___ EXISTING EASEMENT - - - - - - - - - - - - - - - - - - SAWCUT LINE FEDERAL WAY, WA. 98003 0 (10 PROPERTY BOUNDARY PROPOSED CANOPY COSTCO FACILITY #61 IBC OCCUPANCY CLASSIFICATION: GROUP M IBC .0 o CONSTRUCTION TYPE: 1IB �C o PROPOSED ROW DEDICATION � � J BOUNDARIES THIS PLAN HAS BEEN PREPARED BY ZQ Q U INFORMATION: USING A SITE PLAN BY MULVANNY ARCHITECTS, DATED 6/97 0.,. Q > La W C) Q J BUILDING DATA: W W z -� iL BUILDING AREA 153,495 S.F. Q Q 0 TIRE CENTER 2,305 S.F. TOTAL BUILDING 156,250 S.F. a Z y W W O EXISTING PARKING DATA: LL o U EXISTING PARKING PROVIDED: U 9' WIDE STALLS 618 STALLS � Q) 10' WIDE STALLS 47 STALLS o QIc ACCESSIBLE STALLS � 28 STALLS 1E TOTAL EXISTING PARKING 693 STALLST�o 1A=401 NO. OF STALLS PER 1000 S.F. 0 20 40 80 OF BUILDING AREA: 4.43 STALLS PROPOSED PARKING DATA: PROPOSED PARKING PROVIDED: 0 9' WIDE STALLS 616 STALLS ! ® 10' WIDE STALLS 47 STALLS J N ®,c ACCESSIBLE STALLS 28 STALLS < W 0 if H II .1 { TOTAL PROPOSED PARKING 691 STALLS W I_�z�Y-` --G l� �'' S88'35'00"E (_-__---_----= zm4 NO. OF STALLS PER 1000 S.F. � •ss88'35'00"E 50.06•• I . =� ____. � - �� 1 OF BUILDING U G AREA: 4.43 STALLS = LU S88'35'00"E 470.00' _ - - — -- - .i l /�/GIB` ' �'/`/' /� S88'35'00"E 637.sr' p L `- EXISTING CONDITIONS TO BE FIELD VERIFIED. �..v�-u+..- _��aa c.aa=a�mm.s___ssm� k �j(j( Jj}J (j ' � w _aXR O 00 ti ir=_ ___ _ - n = { k ' 1 iVA U i/ /T/TT TTi771, 711-�17;T 'l NOTES. +1 jj° tp A _ p 3 ♦ , j= t m EXISTING CONDITIONS TO BE ` C� IA q J U U r i 4 i FIELD VERIFIED Cn ' ILI1 J p U IA IO ; ..� i� _ — a i dd ! i cc rK v ppp uup p it p I/ r R It yR R I ill A r A O r i`ttEj(( ' m 11 y a aA RR , p it ppIf xx ��Rt�W'�tli ppN it II -q � Q j((�( j(�7� I //, X N II !Ary r A p if R II t1 A q9 pq i R 11 LLJ 11 t R_ n_ N i 1 ' u ■ t ry 1 U ; °° '' a ItF=m>• , 7 ((r m, 6 O O t i tll p .iii PP, m N It ,I, it [ s= If Q tjif I� ii { ll U U F tl ' t' t i k mai it •{_. p I a /+ / % �/ / i' f / {{{{ 7 1111 ' p { � !I p n 11 t p jj r--^----• A 6 II II p � i Ln it1I$}j/ 11 fi iiii! d R A A A 4•'- = o¢ tij{ t / / I If rp I -p R N d N A I 11 � r 11 1 • A 11 rp R R c. jEt %!�(jj( (� it tp-� A R R f ! { — fl ii 1m A 4' ROW DEDICATION a ��� °\�� R (n bss II ,R Ii KEEPS ROCKERY ON } e E - p COSTCO PROPERTY0 o O v ti Ip as t I COSTCO a V+ U N i�( ,' � / i tP � �. 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O 12ra t.ram-._, ------ ---__--_`____w s= =•'mmm ___ .__ T_ - --__- - �!t � •� • , n � t �iir t 11 - AI—._ R a mam= mma= =am_= m_=asa N$831 25 W 70299 c��.--_ --_ _. mma--------- -- _--- RCD ,R M No if B TT , r, ED to in 1Z EZCD NOV 2 2 2019 Z O t oto N O _ Ct7Y Of FEDERAL WAY 0 r COMMUNITY DEVELOPMENT 2 LEGEND EXISTING ASPHALT EXISTING CONCRETE ----------------- EXISTING CURB EXISTING EASEMENT PROPERTY BOUNDARY - - - - — PROPOSED ROW DEDICATION PROPOSED ASPHALT PROPOSED CONCRETE PROPOSED CURB SAWCUT LINE PROPOSED CANOPY COSTCO WHOLESALE FUEL FACILITY EXPANSION 35100 ENCHANTED PARKWAY SOUTH, FEDERAL WAY7WA 98003 COSTCO FACILITY #61 I � I # S88.35'04E _�_� _ �_=_ ��_ �a �sRR'.�5'tlFt"F rn nci� —— i_ _ems ` ss ss - ss ss s� �, ._ �� a== sn — snL ------ Sf�-- �r, I u I I Q � „ „ u W II M 11 „ „ „ Q i? „ „ = j „ V„ „ „ „ Z I „ ` W' R--25.00" -- ss -- RESUBMITTED C,7*Y OF FEDERAL WAY OCMMUNi rY DE✓ELOPME;N7 0 LL D _ Z Q Uop o��J o °C Q LL cL }= 0 0 Q w o �=) ZQU.. �<t a:o a = W 0 z t5 WWo o U 0 w n —j N C!3 W j ccoo 0) o - � Q = W o < D o o !�5 < U -- W x 00 Q0 00 0 gi c v a U vy N 0 =�( Z r �f- (Hi'I H � Qf U N 6i o cli C C Y j P7 00 �+ 0 v Q 0- ;' E o V o _ (n W 6 a p co zZ LJJ -a J a --� U Z X Q 'zU W W N L- �� t < O CV 000 z— w �rn�o�o 00 crz 0 N I I Li ul CV 00�i�.0 Z N N � UU) c 0 Q x t,_t G� .oN V � o cli 2 z w � r J� b coe� 5 Q / CU '" 0 V) o z 0 o 0 0 NOT TO SCALE VICINITY MAP 7 II I „ {I r{ II II II (I it 11 II I II f II +((E I II II It 11 t, II , „ +1 II j U it II it {r 11 ,t 11 i! 11 { it it fl ; 8 I 1"; PROPOSED i1 CON ROLLER ENC OSURE FFE 263.4 t II tl {{ II I I 11 t � EXISTING ROCK WALL - TO REMAIN , { II 1 II II i 11. Y 1� I 11 a 11 11 II Y ct 11 11 " a { 11 it EXIS ING L Q L GHT ' I TO REMAtI Ii 11 a11 II I! 71 U II II z � +t {1 LU I I 1, II „ II II 11 it II II I I 11 ti E Ir 11 II 1 II ,1 ii I, ti II 11 11 11 I, II I, „ I II II ii Ii I, j II u FXISTING I E.S.O. a TO REMAIN ! 1 Jf! { 17 II i I VI- jjjj I � I� UI I t ,� ' c IA=20' 0 10 20 40 FRTS PROPOSED 4' DEDICATION It „ I+ II 11 it 11 II 11 11 ❑ 1 11 II i d u rl II 1I 11 v It .....�.� f ii u tI II II 11 1- PROPOSED 25' BUILDING SETBACK F{ , __, CYICTt�tn PRELIMINARY SE PLAN COSTCO WHOLESALE FUFL=ACILITY EXPANSION 35100 ENCHANTED PARKWAY soUTi, FEDERAL WAY, WA 98003 COSTCO FACILITY #61 11 I, �f II LOT-- 11 )1 kIN II + u „ 1 u „ I n „ n e li „ it 11 i{ it II II It {1 n EXISTING S IN G LOT I L GHT TO REMAIN EXISTING ADDITIVE TANK p TO REMAIN >' ii 1i p u EXISTING VENTS TO REMAIN 00 LEGEND EXISTING ASPHALT EXISTING CONCRETE ------------------ EXISTING CURB EXISTING CANOPY DRIPLINE -- EXISTING EASEMENT PROPERTY BOUNDARY PRELIMINARY SHEET INDEX: 1- PRELIMINARY SITE PLAN 2 - PRELIMINARY CLEARING AND GRADING PLAN 3 - PRELIMINARY GRADING, DRAINAGE AND RICE -OF -WAY PLAN 4 - PRELIMINARY WATER QUALITY IMPROVEMENTS PLAN 5 - SITE CROSS SECTIONS 1 OF 1 - PRELIMINARY LANDSCAPE PLAN I I I I OWNER 5 " COSTCO WHOLESALE CURB I i 999 RI LAKE DRIVE li I 5SA AH QU A W 98 027 2 CML ENGINEER ASPHALT BARGHAUSEN CONSULTING ENGINEERS, INC. 18215 72ND AVENUE SOUTH KENT, WA 98032 PHONE: (425) 251-6222 \\\`, 0 O \\\,-;i; CONTACT: MEGAN 8782 PALMER, P.E. i� r� 1+ 1" r+ i! 10 .I 71 PAINT11 1, 1! 11 It !1 II it II 7 5' II I{ II 11 EXISTING E.S.O. TO REMAIN ,f 0-) i EXISTING LOT ` LIGHT TO REMAIN ASPHALT a t CURB C2 ASP# , t 11 I t , 1,{ III I 11 I fl „ ii II 11 !i - EXISTING 15' WATER EASEMENT DISTURBED AREA SUMMARY. TOTAL AREA = 18,510 SF EXISTING PROPOSED IMPERVIOUS: 17,514 SF 17,310 SF PERVIOUS: 996 SF 739 SF CANOPY COVERAGE AREA: EXISTING: 3,937 SF PROPOSED: 3,896 SF TOTAL AREA = 7,833 SF OSITE INSTALLATION SCHEDULE I. PROPOSED 3,892 SF FUEL CANOPY EXPANSION 2. PROPOSED HEAVY DUTY ASPHALT PAVEMENT. 3. PROPOSED HEAVY DUTY REINFORCED CONCRETE FUEL PAD. 4. PROPOSED MULTI -PRODUCT DISPENSER 5. PROPOSED CONCRETE BARRIER CURB. 6. PROPOSED ASPHALT/CONCRETE PAVEMENT SWALE, 7. PROPOSED 3' CONCRETE SWALE. 8. PROPOSED RELOCATED CONTROLLER ENCLOSURE. 9. PROPOSED UPGRADED TRANSFORMER, 10. PROPOSED ARROW PAVEMENT STRIPING. 11. PROPOSED CHANNELIZATION PAVEMENT STRIPING. 12. PROPOSED STRUCTURAL CONCRETE EDGE FOR CONTROLLER ENCLOSURE PAD. 13. PROPOSED CONTROLLER ENCLOSURE RAMP, 14. REPLACE EXISTING DISPENSER ISLAND AS NECESSARY FOR NEW PIPING. RESUBMITTED NOV 2 2 2019 CITY OF FEDERAL WAY COMMUNITY DEVELOPMENT F- CO V r z aa'00 >- o 'S J V LL 8E z z_ju- '"r 0 J U W 0 � z W oL WW(0 O 0 cv) W N --I a N 0) _> OD 0) J O � a W 11/11�1�" oJa o D 0 I`- C? U � - 99 i 194 Rip �� x STt Q fUNA L ENS z Q z 0 o 0 °v N - z n to N S > 00 00 n 0 a � rn �I ' U a i 0 10 c c s n 0 o s a 0 o� c.> a o N = Z U O z� � �� Lij w z Q z w �W � o N Q Lij O N ONO Z0 0 00 N � > 3 z cU 00 a: z .z7 ww Q • �- �- z suZLo az N z N N -�> 00 u u >' uot v to x w %)bco Z co 41 0 f�,� OONSJ E Q i o z a°Yi CD cn o 0 a LZ EXISTING - STORMWATER RETENTION VAULT I arW - W - W ss ss ass f 1' I� I' (( r I m PRELIMINARY CLEARING AN GRADING PLAN COSTCO WHOLESALE FUELF CILITY EXPANSION 35100 ENCHANTED PARKWAY SOuTj7 FEDERAL WAY, WA 98003 � COSTCO FACILITY #61 EXISTING LOT LIGHT TO REMAIN EXISTING PAVING TO REMAIN EXISTING COALESCING PLATE OIL/WATER SEPARATOR TO REMAIN 1/ A ` "( of (� a 2J o EXISTING STORM s DRAIN MANHOLE TO REMAIN Al2 o / TRr t r SD I m - f EXISTING XDDITIVE TAN TO REMAIN 2 I _ _ f, 8.6% 1 CURB / VEMENT 6 . ± MEr EXISTING FIRE HYDRANT TO j / �' / o o REMAIN T / N /EXISTING VENTS \� `0 TO REMAIN/ =_�i i' o 0' all, �XISTING LOT � � \r Z 3 6 \ \\ ; � ``�`". LIGHT / ----=_ A \` TO REMAIN i JG p�D� f (%/ '1 CURB EXI�ING STORM ____ - RETENTION VAUL /PVEMEN �pul�j , 11 2t r l ' , fl 1, „ II u EXISTING (\ r DERG�OUND 'R TO '�REMAIN;l t E.S.O�, EMAIN 3.9% i i EXISTING /CATCH BASIN TO/ REMAIN -5 5.9Z J NuG} 11 1 �-- iUG}P{�G} (�.� PNUG} --.-_ CURB z s� ' Sq 1 ; 1 X I PAVEMET EXISTING 15' WATER EASEMENT 1 41% EXISTING ATCH / BASIN TEMAIN Jr SA gp I SD tt J" W/ S88'31'2 "E 1221.9 S ---- SS — 55 --- SS- ss _ ss-- LEGEND EXISTING ASPHALT EXISTING CONCRETE EXISTING CURB EXISTING CANOPY DRIPLINE EXISTING EASEMENT OSITE DEMOLITION SCHEDULE 1. EXISTING ASPHALT/CONCRETE PAVEMENT TO BE REMOVED AND DISPOSED OF OFF -SITE. 2. EXISTING CURB TO BE REMOVED AND DISPOSED OF OFF -SITE. 3. EXISTING ROOF DRAIN TO BE REMOVED. 4. EXISTING 6" STORM DRAIN TO BE REMOVED, 5. EXISTING 18" STORM DRAIN TO BE REMOVED. 6. EXISTING STORM DRAIN CATCH BASIN TO BE REMOVED. 7. EXISTING CONTROLLER ENCLOSURE AND CONCRETE PAD TO BE REMOVED. 8. EXISTING TRANSFORMER TO REMOVED. 9. EXISTING PAINT STRIPING TO BE REMOVED. SANDBLASTING AS NECESSARY, 10. EXISTING UNDERGROUND POWER TO BE RE-ROUTED FOR INSTALLATION OF MODULAR WETLANDS. 11. DEMO EXISTING DISPENSER ISLANDS AS NECESSARY FOR NEW PIPING. 12. EXISTING TREE TO BE REMOVED. EXISTING PAVEMENT TO BE REMOVED SAWCUT LINE PROPERTY BOUNDARY CATCH BASIN PROTECTION PERIMETER PROTECTION TREE TO BE REMOVED a� zCJ)�� o mco Or 0 a /J�� :21 a S V a Q U- Z a '� W � U. J � Z Q �0 a a>-c0W� a Z W - J o_ U � m 6 Z 5 W J N a W C-4 0 W > 00 0) o r W o�Q D U 0 0 cj) U — VP OF WAS 0 947 x` �ST4.R ��ti '- 'DIVA L � z N Z 0 O N C O N S�f Z .N O _ > CO 00 O N a� o C a y Q O 3 0 0 v L a o ¢ ,n N w 00 o N 0 Z W \ (/) Q V) J Q Qj Z X < O Z Z LLJLLJ \ N N t5 O O N a) (v 00 Z > �Z 3 Zrnt000 I I W L&J -o z N LO Lo W Z (.5N 1 N W >- UJ ca0 N Z N 00 N �> > o Y �' C V) c 0 a. x W N OH sa N Q ti 010. T.. i Z W A, E Cox a L .a E o z Q o0 o cn o i a� I rr II !i ii t ifi7f 11 jrJ „ � 11 ii { 11 11 1, II 11 it i+ 1 1 , , �} I t I 1, [a ,i 11 I Ir I, IE II i1 ,i II I { 1 , i i rr F+ II I II F1 II � Ir 2 11 1+ 11 ,r EI 11 'r �t fl r+ II i�0 t FF I II n co ,1 11 d FF � 1 IF jj II I " i (L II FI i 777 " it I YI 11 11 EF Q 11 Ir 2 t it II II ii it II 11 II F, .i 11 IF IE " A FF , 1 IE II II II !f rl Ir , 4� 11 j II u i( ,1 F, IF 1 IE 11 II 11 S [[ 11 II IE it Ir " XI TINT 11 " ( T R IF 1 It II EE 11 II i 11 II E 11 EE r IF Ii 11 ii FF rl r i ri II rl rl S iI vv� gip) ems- W y w — ss ss — ss F--- --I ° PRELIMINARY DRAINAGE, GRADINcAND RIGHT-OF-WAY PLAN COSTCO WHOLESALE FUELFACILITY EXPANSION 35100 ENCHANTED PARKWAY SOUTH FEDERAL WAY, WA 98003 COSTCO FACILITY �k61 Ll c I + 11 0 ISTIN `LOT L - ( LIG'11TO RE \ , s r 4- 1 f I 11 I jj — j( SD SD t; EXISTING VENTS TO I MAIN ...EWK6' COALESCING PLATE OIL/WATER EXISTI P / 4 NG L�QT LIGHT SEPARATOR TO REMAIN TO REMAINSo m 1 I r f 1 `�_1 Imo.-,� �TING FIRE YDRANT TO 0.9 " REMAIN o 7, ME O I+ ,' jj \ F 91 I 3.1 I M D. D 7 I W TLA � z It E -C) tJ ILI ,L s I , D, , � ° � 60. O� i � � av, i Ue 6 t M 7t ° - EXISTI E.SA ` I (( I W TO EMAIN - EXISTING 15' ° °4. - ` - WATER EASEMENT 1 ® ° ° < II —Coll`� __.�Iram*, AINS TOof t M .1 'EMAIN _�� , 3 ;; r 2:; , 0 / `°a.STING LOT r I EXT6ING CATCH * @ �� =iiJl TOLIGHT REMAIN IASIN TO REMAIN I jj J t it 5C SD S6 (jjj/ (/j/ D/STRj�& Im -W-,A -S`_'i° 31'25"E 1 21.98' Rss-- ss—s -ssIss s- ss -- --- _ - Ss ---- ss SS ---- Ss ss —'-- ss LEGEND EXISTING ASPHALT EXISTING CONCRETE EXISTING CURB -------------- EXISTING CANOPY DRIPLINE EXISTING EASEMENT PROPERTY BOUNDARY PROPOSED STORM PIPE PROPOSED SANITARY SEWER DISTURBED AREA SUMMARY: TOTAL AREA = 18,510 SF EXISTING PROPOSED IMPERVIOUS: 17,514 SF 17,310 SF PERVIOUS: 996 SF 739 SF GRADING QUANTMES; TOTAL CUT (CY) = 575 TOTAL FILL (CY) = 585 TOTAL IMPORT (CY) = 10 OSITE DRAINAGE SCHEDULE 1. PROPOSED SANITARY SEWER CATCH BASIN FOR UNDERCANOPY DRAINAGE. 2. PROPOSED 44 LF 6" SANITARY SEWER LINE. 3. CONNECT TO EXISTING SANITARY SEWER CATCH BASIN. 4. PROPOSED 6" CANOPY ROOF DRAIN LINES @ 1.00% MINIMUM. 5. PROPOSED WATER QUALITY MODULAR WETLAND. SEE WATER QUALITY IMPROVEMENTS SHEET FOR DETAILS. 6. PROPOSED 138 LF TRENCH DRAIN (K200). 7. PROPOSED 19 LF 8" STORM DRAIN. 8. PROPOSED STORM DRAIN CATCH BASIN. CONNECT TO EXISTING 8" STORM DRAIN. CONTRACTOR TO VERIFY EXACT LOCATION OF STORM DRAIN PRIOR TO CONSTRUCTION. ID SITE UTILITY SCHEDULE 1. RELOCATED POWER ROUTE FOR NEW CONTROLLER ENCLOSURE. 2. RELOCATED COMMUNICATIONS LINE FOR NEW CONTROLLER ENCLOSURE. 3. UPGRADE EXISTING TRANSFORMER. SITE DATUM HORIZONTAL DATUM HORIZONTAL DATUM FOR THIS SURVEY IS NAD 83/91 PER CITY OF FEDERAL WAY. FEDERAL WAY CONTROL POINT NO, 6889 WAS HELD FOR POSITION, AND A LINE BETWEEN SAID POINT NO. 6889 AND CONTROL POINT 6876 WAS HELD FOR ROTATION, BEING NORTH 01-34'24" EAST. VERTICAL DATUM VERTICAL DATUM FOR THIS SURVEY IS NGVD29 PER CITY OF FEDERAL WAY. FEDERAL WAY VERTICAL CONTROL POINT NO. 6889 WAS HELD FOR ELEVATION, BEING 248.01'(NGVD29) PROPOSED CURB ------------- SAWCUT LINE PROPOSED CANOPY ■ PROPOSED INLET • PROPOSED CLEANOUT PROPOSED SPOT GRADE PROPOSED GRADING SLOPE MATCH EXISTING Q o= za con co 0 fl < z coo 0 J Q Q V Z a�uQ. z 0. 0 0 I. � U. W a Z .J 0 Q z a < Z C) YLL aWW0 c� � 0 r , �.! m � Z S z q-D w N —I Q N do U3 j 0 J o � = o�Q 0 Q o J A�-Nr �� I cn —• z I 947 � N x �STE 1UNA L Q Q N z 0 0 v M N v Q ` z r ;00 co co 0 F- J,;N o Y LoC b d .91 3 v t4i a ° a a 0 f— V L) O CN � O Z w +� E X Z � p z w '— LLJ N � `tC)(N0000 0W n 00 N i� Zrnc000 Z > wz 3 a n Q .— � LJ w z Q c? n 6 N LIJZ N N --� 5 cc00 Y �. v V c o a x VA T.n� z W -o S' o .E covx Q i r` u o E o z 0 _ o� CD CD .0 O 7 -a c♦ 6 li PROPOSED 18° DRAIN PVC STORM PROPOSED FLOW SPLITTING EXISTING 18 MANHOLE PVC STORM \�-1 MA � 0 �DRAIN TO BE «EMu«�» [ [ / / \ EXISTING CURB ' TO uu*u/' um//� PROPOSED 48~ - MANHOLE ROUTE EXISTING` POWER AROUND PROPOSED WATER QUALITY VAULTS \ U� ���� _ ����U��V8 ^�x�����~UU U MW#U WATER OUALITY _ �^=1O' CONCEPTUAL WATER OUALITY IMPROVEMENTS PLAN COSTCO WHOLESALE FUEL FACILITY EXPANSION ^x»`'x,ovox"v'»'�»o'ox`nox000v,ovoo«o"u000�`, 35100 ENCHANTED PARKWAY SOUTH, FEDERAL WAY, WA 98003 COSTCO FACILITY #61 X | " SAWCUT ~�— CONNECT 0 EXISTING CATCH BASIN ' PROPOSED 9`X13` ( MODULAR WETLAND ` Y) WATER QUALITY UNIT W/ GRATED INLET. Y WATER QUALITY RIIE EXISTING STORM -- EXISTING SANITARY SEWER TO REMAIN n \ / EXISTING PVC SO � TO BE ABANDONED IN PLACE EXISTING CURB TO BE REMOVED `— PROPOSED 13° \__ ~ CONNECT 12 PVC STORM STORM DRAIN TO \ DRAIN EXISTING CATCH __� PROPOSED J.BASIN. CONCRETE SWALE REPLACE GRATE W1 SOLID LID. EXISTING 12~ WATERPVC STORM PROPOSED 12" DRAIN TO BE PVC STORM ABANDONED IN DRAIN PROPOSED 9'X 13' PLACE. MODULAR WETLAND WATER QUALITY UNIT W/ GRATED INLET. LT EXISTING CAT BASIN TO BE REPLACED EXISTING CATCH BASIN TO BE REMOVED EXISTING TREE 267.04 TO BE REMOVED 5 01 JG) 3.21 +126225 OUA Dol WATER OUALITY KEY MAP � -- -- -- -- ' --� U ` EXISTING G^ STORM DRAINS TO BE REMOVE ����UU� � m���o��U8 v�v�����. U K MW#^' 11 1^=10' ` — PROPOSED CATCH BASIN |E= 25G'67 !! \ — PROPOSED 5'Xg MODULAR WETLAND WATER QUALITY UNIT W/ SOLID LID. PROPOSED 8^ PVC STORM DRAIN —PR0P0S[D STORM DRAIN CATCH BASIN. CONNECT TO EXISTING 8^ STORM DRAN, CONTRACTOR TO VERIFY EXACT LOCATION OF STORM DRAIN PRIOR TO CONSTRUCTION. ' PROPOSED 91X21` MODULAR WETLAND WATER QUALITY UNIT q* o �k ION L CL DL 04 Ljj Lu to cn CD LZ ll�� Jill REMOVE AND CAP PORTIONS OF EXISTING IRRIGATION NO LONGER NECESSARY FOR NEW BED LAYOUT. RE-ROUTE ANY PORTIONS OF EXISTING IRRIGATION THROUGH EXISTING BEDS i 14 , 1 1 it {E 1 I i A r� p I 7 11' Y I 3 lII Ir .p t t /J EEE 1 12 ' 1 1 it CI LII• i i � ii $j[{jJrr I' : .1 •Q ,I it , O i i � t i,' N •' f �.'''� JIM 0/ 1pp31 Q L I'1 ccy Q SQ I ;� Q„ 11 EXIS L II Q '�' fl � HT 7 TO REMAIN 11 s O fi 9 jj#{ If p a ;,c W - I 1 1 en , le !r 1! to Q D it II II I, N - � , it f 1. ! N Illz - ,;: !t!k II I 11 1' I 11 itIL I �XISTING , �, .S.O. I TO RE AIN f I pq } I p - 1 1 i fR t i1,.. .. '' ca - it ! t f/ter COSTCO WHOLESALE FUEL FACILITY EXPANSION 35100 ENCHANTED PARKWAY SOUTH, FEDERAL WAY, WA 98003 COSTCO FACILITY #61 EXISTING LANDSCAPE AND IRRIGATION TO BE RETAINED. SOME MODIFICATIONS TO THE EXISTING IRRIGATION MAY BE NECESSARY. RETURN AREAS TO PRE —CONSTRUCTION CONDITION LANDSCAPE CONTRACTOR TO ADJUST EXISTING LANDSCAPE AND IRRIGATION TO BE REMOVED. EXISTING IRRIGATION SYSTEM TO ���������=������=���= "" "" CAP AND REMOVE PORTIONS OF EXISTING IRRIGATION ACCOMMODATE NEW SITE UTILITIES NO LONGER NEEDED. RE—ROUTE PORTIONS OF EXISTING '!' IRRIGATION SYSTEM AS NEEDED ISTIN LOT Al LIGHT". ❑ 1 O RE AIN --- `' EXISTING TREE TO BE RETAINED, TYPICAL. PROTECT C::..:.:,i 1 -,: j - _ I n 1 L L'::.:::li i JIFt II':..:...i, DURING CONSTRUCTION SD j EXISTING TREE TO BE REMOVED, TYPICAL. WHERE NEW PLANTS ARE SHOWN TO .. , t..•: _ BE INSTALLED WHERE A TREE ItY \ L IS TO BE REMOVED, LANDSCAPE CONTRACTOR TO f REMOVE ENOUGH ROOTMASS IN OR DER TO BE ABLE TO �.. INSTALL NEW PLANTS XI TI E S NG VENTS TO REMAIN G / f V7 TI NG LOT LIGHT TO REMAIN01 . / h 0 EXISTING PAVING � TO REMAIN � i /EXISTING VENTS/ TO REMAIN/ /&STING LOT LIGHT T AI 0 REMAIN a f n } I O / 'A lop MEET AND MATCH EASTING I GRADES 1 1 0 j I P(uc) p/ — EXISTING 15' WATER EASEMENT EXISTING TREES TO BE REMOVED: 4 PROPOSED NEW TREES: 6 PLANT SCHEDULE SIZE SYMR01 BOTANICAI / rOMMON NAMFC t oNnITInK1 CPArIAiL^_ O[ IAKITITv1118.nr. , TREES: CERCIDIPHYLLUM JAPONICUM / 2" CALIPER AS SHOWN 6 STAKE & GUY ONE GROWING SEASON; KATSURA BRANCHING STARTS AT 5' ABOVE ROOT FLARE NOTE: CALIPER IS MEASURED AT 4.5' ABOVE FINISH GRADE SHRUBS: BR BERBERIS THUNBERGII 'ROSY GLOW' / 24" HEIGHT AS SHOWN 6 FULL AND MATCHING BARBERRY �z AZALEA SP. 'HINO-CRIMSON' / 18" HEIGHT AS SHOWN 11 FULL AND MATCHING EVERGREEN AZALEA GROUND COVER: LAWN, SEED OR SOD. COMMERCIAL SEED MIX ° ° ° ° ° ° ° ° ° ° ° ° ° ARCTOSTAPHYLLOS UVA-URSI / 1-GALLON " 24O.C. ' AS REOD H OLD 18" AWAY FROM KINNIKWNIK BORDERS, SHRUBS AND TREES; TRIANGULAR SPACING i a OL a qo, zp co M °- ,- Q 8 W 00 � all LL � � Q Z Z Q U. U J WO W °-WW0 U O tY3 W J N W 04 CO W � OOD 0) J 0 Q U J � U U 4 U -- 0 0O N V Q u ry (n 0 p ` z +� 00 CO 00 0 > o �I I N ) (n o� c (D Y II'f O M Q ) a L C3 U Q � = cLLJ 9 U N p V) Z W Lo 7 J Z X < Q z W f— N O N 00 C5 L z Q 00 N Z (:Y) to r- 00 j w z W �C1 Z N n W W / N Z 00 Ill N N -� o Y �u _5 tJ tJ') c a x x w �N 3H/ `, o 1 z 5 b v 0 E CoNS� .7�) / co 0 E 0 z Q o CD o � a (40 o � D J . LZ