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HEX #19-003 Staff PresentationCreekside Commons Townhomes Special Council Meeting January 7, 2020 5:00 PM File No. 18-100740-UPV Related File Nos. 18-100742-SE; 18-100743-SU; 18-100741-UP A CITY OF H EX19-003 � Federal Way Centered on Opportunity Existing Site Conditions A PORTION OF THE 6W 1:4 OF SEC 16. TWP 21 N., ROE 4 E., W.M. I g Aid{ LEGEND 207H AWES \1l \ l \ — wwEx, o�..en ai✓u Sx 0. s �x.. LEQALDE$L'RIPTIDN: au w sc.v. I 0 �. �" �'� ��"""�TM�°;"�`� �..�,� • w e� "� °gym SURVEYOR'S NOTES: rxh_ W. xEa-o E BASIS OF BEARING: VERTICAL DATUM: - ,_,� ywt zv�_s.r.B ,semnw sexes ,xcm u, Re 1 elm $ ` xeurw +,¢ �so�ai li e+nrcl� swaxry sav w�nxoi 1,,, o �a \ Preliminary Plat Plan Exhibit A. Page 3 A PORTION OF THE SW "4 OF SEC 16, TWP 21 N., RGE 4 F.W.M. 20TH AV L J 1e tl `I as \il r——,$ TH— ai £ Phasing Plan ORTION OF THE SW Im OF SEC 16. TWP 21 N. ROE n E.. W, M. - -- I . I ROADR 1 w a a T—T. � 4 III 3o I i - cs is r�I III .a TRncTi c-r� ❑L°l,`" i� Ili 37 qr Et fl mn U � J O z w a o w U W LUr w a z Iwi uJ N w LU m U s SP-01 Preliminary Wetland Buffer Enhancement Plan C,LiL &i d1jr, k-U1V MUNJ - 1'RuruJ)hy 1'L IN (C U1Vl r1'1 UAL] € CATCH BASINS - DRAINAGE Z } WETLAND A 5 CLOSED DRAINAGE c " � SYSTEM CATEGORY III a $ BUFFER _ ` GUARDRAIL 20TH AVE S PERIMETER - _ "�'Y'�-'}_ +Yl�� —__a� �_ _ STORM WATER ENHANCEMENT---- \ - OUTLE75 NEAR z AREA "A" F e 20' - 22' WIDTH PLANTED FLEX MSE WALL -�, OR ON EDGE ( S — i OF BUFFER z L (OR SIM.) AT 1:1 PLANTED — p t16,493 SF ,Z WITH OUTFACE WITH NATIVE VEGETATION + _ AT BUFFER EDGE h r - 1 PROTECTION 78.75'REDUCED _- 7 �. �� r PLANTING{SEE WETLAND BUFFER \ r - NEXT SHEET) p - H rr� PERIMETER 5' BUILDING — -� y Y C BUFFER s `` SETBACK i WALE PROTECTION c k M , o FENCE c� F BUFFER ADDITIONALr- BUFFER' s° ° INTERIOR 'I PLANTING ZONE "E" PERIMETER ENHANCEMENT =_ -- y OUTSIDE OF BUFFER - !� •�� — ENHANCEMENT ARMORED STORM GULVERT--: AREA 'B' x25�271 SF WATER CONVEYANCE _ � ���x (20 - 22' WIDTH) SYSTEM (MAY NOT f ' ' ' �'� — t15,566 SF NEED TO BE PLANTED} - - BUFFER V INTERIOR ER --.--J ENHANCEMENT Z I - r PIOLE WALL _ AREA "D" CULVERT / *509135F 7 T BUILDING <�.., SETBACK - o FREMMINARY DRAINAGE � a it WETLAND B 123.75' REDUCED o� upe�m�e [NFORMATION O Lt PLANTED FLEX MSE WALL (OR SIM.) AT V ! CATEGORY II WETLAND BUFFER )�>B. isa3.aoua No'C ICl0. CON5'1'xtC IOU 0 40 SO ISO 1:1 PLANTED WITH NATIVE VEGETATION I'll T ns x+hSPu��T"°"c n,FT AT BUFFER EDGE \ SAMPLE PLANTING PLAN AREA s� -SEE NEXT SHEET GHAPNICGALE '-.�2 rsH, Preliminary Wetland Buffer Enhancement Plan Sample Area Planting Plan OUTFALL PROTECTION - - DOUBLE ROW OF WILLOW STAKES AT 24'. O_C. WITH AMENDED SOILS AROUND DOWNHILL SIDE OF STORM OUTLET (TYP.) I�iOT :f yl l: BUFFER INTERIOR - POCKETS OF DENSE SHRUBS PLANTED (50% COVERGE) IN AREAS WHERE INVASIVES HAVE BEEN REMOVED (ESTIMATED TO BE 20% OF BUFFER INTERIOR) (SHRUBS AND SEEDING �}.�O,�N.LYY)) � R I I TII� SC SIDEWALK � 1 SOLDIER PILE WALL -1 WETLAND -O PLANTED FLEX MSE WALL(OR SIM.) AT 1:1 - (APPROX.4'TO6' WIDTH) PLANTED WITH: POLY5TICHUM MUNITUM 1 SWORD FERN GAULTHERIA SHALLON 1 SALAL MAHONIA NERVOSA I CREEPING MAHONIA LUPINUS SPP I LUPINE- SPECIES MAY BE CHANGED WITH SHADE CONDITIONS SAMPLE PLANTING PLAN SCALE: 1' = 40' BUFFER PERIMETER (OUTER 20') DENSE PLANTING TO PROVIDE SCREEN e o FOR INNER BUFFER AND WETLAND y W Fl (TREES, SHRUBS AND SEEDING - SEE NOTE BELOW) 9 PROPOSED LOTS w < sm c73 Bm NATIVE PLANT SYMBOL LEGEND IBM Z BUFFER PROTECTION SPLIT RAIL FENCING AROUND PERIMETER wsshnxr�ocsoars s sHx � 4 t�- PLANTED FLEX ® - 3 �p MSE WALL (OR SIM) OO coi EXISTING TREES TO REMAIN (TYP.) \ ® O v,oFlCWLLW+ � ss�n Mugs H STORMWATER '"aoucw.eu.��n.rku nsruae�o."es z ® OUTFALL(TYP.) In u NOTE:�� Via_ PLANTING DENSITIES SHOWN TO ILLUSTRATE PLANTING DESIGN INTENT. A REDUCTION IN L� PLANTING DENSITY IN SOME LOCATIONS MAY BE APPROPRIATE BASED ON RETENTION OF 4 EXISTING NATIVE VEGETATION IN THE OUTER ` w BUFFER AREAS. COORDINATE ANY - F ADJUSTMENTS WITH PROJECT BIOLOGIST. mca ryb/�-0�s �o� Isas.aooz o ;o ao ao ns �sc� � T 3 of Open Space Plan A PORTION OF THE SW 114 OF SEC 16, TWP 2, N-, FEE 4 E-, W ul- T2uTH AVE LEGEINb a >s 'I- '�_I —,K u E 1 5 3 me:xim rrmn w w w nm REauera,r�o C �f 3. � 8l€ U � J Z z 0 O U W w W o 2 z Ir Y o R W W of m V i Landscaping Plan k 0 Stormwater DEVELOPED BASIN MAP UPSTREAM THRESHOLD DISCHARGE AREA #1 DISCHARGE 'I � 20iH AVE S �\ `WETLAND 'A' ET gi CATEGORY III I =I °DnLT'e2 1_ OAD B 1 ��>• �®✓fig �0 '�1� �'J..YI.��rl I� I�l■ �Irt1. �■i± iti� �■�rlll �-I J6� SCALE', 1' - 60' J rn a m LLJ W W o O o LL ILL W W LIJ � U Y III m LEGEND -FLOW CONTROL BASIN AFTER MITIGATION TRADE _ y (1 735 AC} ® Yg FS LAREA SUBJECT TO FLOW CONTROL CREDIT 8 (9.547 AC)3 NOTE: SEE TABLES a; E 4.2 — 4.4 FOR DETAILED ; DEVELOPED BASIN AREAS '- FIGURE 1.3B �l Subdivision and Project Related Rezone A PORTION OF THE SW "4 OF SEC 16, TWP 21 N., ROE 4 F. W.M. I 1' 'f J i, MT14 PLs aI aI a �� ,� SF J Z Z O w 0 O� w W & w0 Z (� W Y LL W w W m U Comprehensive Plan Existing Zone Designation Map RM3600 Proposed Zone Designation Map RM2400