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REV 3 APPROVED ENG BLD2021-1384+Civil_Plan (ONLY IMPACTED SHEETS)+7.28.2023_9.07.27_AM+36944850 cn 12.96 12.46 12.93 12.89 12.98 GAS V \ 0 \ GRADING AND DRAINAGE PLAN NOTES: 13.20 N 13.28 \ I Sa P TRANS \ P TRAf� M ,. _ 1. SOILS REPORT 12.99 12.91 �' I REPORT NUMBER: 0173039.010.011 D 1.4% 70% DP 12.85 l LP PREPARED BY: LANDAU ASSOCIATES 13.34 �5/0 /� I N TOC' 13.27 ASPHALT - -2 - I E LE' BOX X DATED: 10/04/2021 °P _ 12.77 - \ SO 2. A MINIMUM OF 3' HORIZONTAL SEPARATION AND V VERTICAL SEPARATION IS REQUIRED BETWEEN DRY - UTILITIES (POWER, GAS, PHONE, CABLE, ETC) AND SEWER, WATER AND STORM, AND A MINIMUM OF 5' - HORIZONTAL SEPARATION AND 1' VERTICAL SEPARATION FROM ANY CITY OWNED LINES. I o 12.90 * \ 00000 O SD 3. NEW/REPLACED IMPERVIOUS SURFACE (INCLUDING ROW): 23,598 SF I 2 - NEW BUILDING: 7,294 SF ROOF AREA. RUNOFF ROUTED TO PUBLIC STORM MAIN THROUGH ROOF _---____-- I _ \-2- - - - DRAINS. JACKSON MAIN G* I G* G* G* G* - G* - G* G* - NEW SIDEWALK: 1,221 SF. RUNOFF COLLECTED BY CATCH BASINS. ARCH ITECTU RE ASPHALT ! I - NEW DRIVEWAY: 12,251 SF. RUNOFF COLLECTED BY CATCH BASINS. 311 FIRST AVENUE SOUTH \ MINIMUM 6" COVER - LANDSCAPING: 1,820 SF. RUNOFF COLLECTED BY CATCH BASINS. SEATTLE, WA 98104 ss- -ss i -ss i i I FOR DI PIPE - ROW SIDEWALK: 1,934 SF. RUNOFF COLLECTED BY ROW CATCH BASIN. t 206.324.4800 ROW DRIVEWAY: 898 SF. RUNOFF COLLECTED BY ROW CATCH BASIN. WWW.JACKSONMAIN.COM TYPE I CB � -ISS SS - SS SS SS __s_s SS SS - SS SS SS A6_ RIM: 12.57 C3C3.2 C3. I I I I 4. ALL DISTURBED AREAS TO BE COMPOST AMENDED PER 2014 SWMMWW BMP T5.13. - _ IE (12" DIP NE): 10.75 . 1 34 LF - 12" DIP @ 0.5% I ------ 7- - - I-- I - TYPE I CB TYPE f C6 G GUIL T RIM: 12.20 1 1 1 1 WAY -(INSTALL BACKWATER VALVE STORM CROSSES ADMIRAL 4�' WAIE (12" DIP SE): 10.61 r-� I ! 1 ADMIRAL 4 ON NE IE DOWNSTREAM OF CB) 10 LF ^ 12" DIP @ 0.5% TYPE 1 CB IE 12" DIP NE : 10.61-------J---J I I RIM. 11.30 ( ) 12.56 I _ W* �l r' L_---------�-'�--ram 1 1 fin/* * - - y�l* RIM: 11.33 rn 12.27 IE (12" DIP SE): 9.68 * 11.41 W*IE(NW): 9.48 W* - W* - __ 1 I I I C3.2 C3. C3.2 IE (12" DIP NE): 9.68 IE (12" DIP SW): 9.48 I MAINTAIN EXISTING FRONTAGE Q 2 3 4 12.54 ! as 7 12.30 I -! �----_----_ 13� I I 1 2 RISERS W/ 7" RISE 11" TREAD IE 12 DIP SW : 9.68 11.93 I C3. C3. C3. - � ( ) S I r I I I _ 1 11.41 o SLOPE TOWARDS EXISTING CB IDIVAL FL: 12.48 12.20 I 1 Q TOC: 11.80 Q 11.98 TOC: 11.96 I 01/ 26123 I I °°°°°° °°°° 1 12.16 1 1 1 ! I 6 * 11.23 TOC: 12.98 °°°°°° °°°° 12.25 6 11.34 9 I I I °°°° °°°° I I I I 1 � - 11.69 TOC: 11.50 --- 13.10 FL: 12.25 °°°°°Q °°°° TOC: 12.70 a I 12.04 r. /�----------- - 11.76 _ T� n C 11.8411 _ - - - - - --------------------------- -- -- - 11_40---- - - - - - - - -� LF ^ 1 " DIP 0.5°0 -�---------- -- 39 LF ^ 12" DIP 0.5% JL ° D D ° D Q✓ °D DD ;> 82 12.78 D °D DP 16 ° 2. .35FL:12.42.4TOC. 12 66 135TOC: 12.12 11.79 ° 1 0.5% 0.5/212 LF 12" D 13.6125 .1244 2.012.06 1153 12.371.54 TOW ° °13.3 3.61 PVC @ 0.5/ 11.55.11.952.0 ° D D P° L> 11.60 11.95 _ 3 4 -- - ----- 13.93 - '� » 3 1 �' W ° 7 r 12.24 12 12 - F F r . D 5. ' 7.00' O EXT D CURB 1 - F F 11.70 11.45 D ° - R/,F ' ---- R R � R/F � R/F � F R/F R/F R/ D R/F R/ R/F R 11.65 SLOPE TO DRAIN, \ \ FL: 2.57 TOC: 12.87 'a « 13.68 8 LF - 8" 2.0% MAX O O \ T C: 12.97� 12.45 J ° Ln ° PVC 0.5% TYPE I-L W/ SOLID LID TYPE I CB W/ SOLID LID DI PIPE SHALL HAVE A " N » ! 12.52 13.68 TOC. 13.90 0 �, @ > � p ,. � RIM: RIM: �� Q � � � 16 / 1 .40 13.97 MINIMUM 6 OF COVER oo O o 12.42 13.97 12.62 ---- 1O IE (6" PVC S): 9.80 C3. C3. IE (8" PVC S): 9.74 SAWCUT LINE 6 Q U) < oo IE (4 PVC SW). 9.80 IE (12 PVC W). 9.74 W / I r14N \ a IE (12" PVC N): 9.80 IE (12" DIP N): 9.74 W � Q 12.15 J ENTRY: 14.00 � 13.40 � 12.60 `� \ � V I I o ' 14.21 ° 16 I o i LL Q \ \ GO I D MAX I 12.0 PVMT �, ENTRY: 14.00 \ ENTRY: 14.21 � O I 14.1 U I I � \ ° \ MODULAR WETLAND DRY UTILI IES TRENCH; �R � T SYSTEM (MWS) W/ CURB CONNECT AS DESIGNED BY OC: 13.14 ° A ELECTRICAL C NSULTANT OR 1 ENTRY: 14.21 INLET 1 SER CE PROVIDERS 12.64 1 D p a� ENTRY: 14.00 D 13.08 RIM: 12.63 C3.3 TOC: 13.88 a IE IN (CURB INLET): 12.0 14.12 1 \ IE IN (8" PVC SE): 10.03 - 13.38\ IE OUT (8" PVC NW): 9.77 ROOF D FOOTING DRAIN 14.13 o� OC: 13.88 I 1 - D ..13.38 `` a PROPOSED BUILDING 14.001 13.20 13.54 Df FFE. 14.0 T TOC:12.90 D o 12.40 LANDING AREA, TYP \ \ � J Q1 ` 13.52 \ 13 13.28 THOLE SEWER (1.5%MAX CROSS A SLOPE) T LATERAL- i 13.31 13.32 I O Q-2o z C)0 O WQ2 J M 0 U co W 0 Z CD Oz W o g;?0yj>-00 i 13.36 13.24 \ ENGINEERING AS NOTED LU CD J Q OWNER/CONTRACTOR IS RESPONSIBLE FOR i� LL 13.46 13.97 a EROSION CONTROL AND DRAINAGE W Q i 13.48 3 08/04/202 Q J _4po 13.43 OWNER/CONTRACTOR RESPONSIBLE FOR LOCATING APPROVAL FOR REVISION 3 - LL m Q Q 13.16 ALL ON SITE UTILITIES. RELOCATION/REVISION TO ANY SOUTHERN DRIVEWAY APPROACH O T U) 13.55 14.0 GARAGE ENTRY: 14.0 UTILITIES MAY REQUIRE A SEPERATE PERMIT. AND STORM MAIN INSTALL Z (� LL, GARAGE ENTRY: 14.0 TOC: 13.85 F-- z 13.78 RESTORATION LIMITS TO BE DETERMINED Q O � I 12.72 BY CITY ENGINEERING INSPECTOR REFER TO FULL CIVICS FOR ALL O � DW NA t.0% 1� I I I I I I I I I I I I GRADING AND DRAINAGE PLAN 13.04 13.01 JAI j/a J/a i/a J/a JAI JAI J/a JAI J/a ENTRY. 14.21 1 I I I I I I TYPE 1 CB W/ DOWNTURN ELBOW I RIM:12.55 2 3 4 A IE (8 DIP NE): 11.23 I WA WA- NA WA WA WA WA WA_WA WA W4- W/ TRASH AREA SEE ARCH PLANS 1 I 149 LF - 8" DIP @ 0.5% - 0.8% 1 1.59/6- 13.19 I - 13.22 13.57il 13.36 13.82 JA 13.68 WA WA WA 13.25 2.7%, / 13.50 WA -------------- �----------- 13.08 m 0 \' o � a� 00 t Q 3 o / rn SCALE: 1" = 10' 10 12.74 A3 4" DIA PERFORATED PVC PIPE OTHER IMPROVEMENTS WITH 6" OF 1" MINUS GRAVEL ALL AROUND, WRAPPED IN 8" MIN FROM WOOD. NON -WOVEN GEOTEXTILE SEE STRUCTURAL DRAWINGS FABRIC, SLOPE AT 0.5% MIN. TURN DOWN PERFORATIONS AS SHOWN �� 6 DOWNSPOUT TIGHTLINE FINISHED GRADE TO CONVEYANCE SYSTEM @ I r 0.5% MIN. PLACE NEXT TO FOOTING DRAIN OR AS SHOWN ON GRADING & DRAINAGE PLAN (CONTRACTOR MAY LOCATE O , 0 ON EITHER SIDE OF 000° \ TYPE I FOOTING DRAIN) _o 00 o O RIM: 12 .45 O 0 IE (8" DIP SW): 10.48 o° 00 o OO 00 IE (8" PVC NW): 10.48 LINE OF MAX EXCAVATION. O O ° ° 2 3 4 IF SOIL IS OVEREXCAVATED, o \ 0 OOO oO C3. C3. C3. REPLACE WITH LEAN MIX 0 0 CONCRETE / \_ FOOTING \ 6, C HAI � �1 FOOTING AND ROOF DRAIN SECTION 0 5 10 20 SCALE: NTS BLD2021-1384 REVISION Jul 28 2023 CITY OF EDMONDS DEVELOPMENT SERVICES DEPARTMENT APPROVED FOR CONSTRUCTION CITY OF EDMONDS DATE: m O �Q� �10 w w w w w w o m z z z z z z z Q Q O O O O O O O S2 S2 S2 S2 S2 S2 LD z !Z > > > > > > > O g g m w w w w w w w �:: M m jl� Q� 0� 0� Q� 0� 0� 11� a»Ozzzzzzz E w w o 0 0 0 0 0 0 0 d d z z z z z z z O O O O O O O U U U U U U U O ci N ro V Ln l° I, z w N N N N N N N N N N Q N O O O N \ N 0 N M � Lo I- I- 0 0 0 O O O O O O G t� N f-mm1NC-ERIIVC, 250 4TH AVE. S.. SUITE 200 EDMONDS, WASHINGTON 98020 PHONE (425) 778-8500 FAX (425) 778-5536 CG#: 21160.20 PROJECT NO.: 21160 PROJECT MGR.: JPU DRAWN BY: ATD CHECKED BY: GAG GRADING AND DRAINAGE PLAN AND DETAILS A NOT USED SCALE: NTS CITY ENGINEERING DIVISION C301 JACKSON I MAIN ARCHITECTURE P.S. © 2021