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APPROVED PLN_RESUB 2-Manhole Site Plan+8.22.2022APPROVED BY PLANNING lhlf4" e, -, '.t" Sep 28 2022 PROPERTY LINE OWNER/CONTRACTOR RESPONSIBLE FOR LOCATING ALL ON SITE UTILITIES. RELOCATION/REVISION TO ANY UTILITIES MAY REQUIRE A SEPERATE PERMIT. PROPERTY LINE RECONNECT EXISTING SEWER TO MANHOLE, FIELD LOCATE. LINE SHALL BE 6" FROM CONNECTION TO CITY SEWER SYSTEM TO EDGE OF EASEMENT, MAY BE REDUCE TO 4" ONCE OUTSIDE OF EASEMENT. EXISTING DECK 351.011 FRONT -YARD SETBACK U Q m w - cn 00 1 00 Q 1 w -T7 c� - - - CUT AND CAP ABANDONED SEWER MAIN ADJACENT TO MANHOLE. EXISTING GRAVEL AREA. EXISTING 8" CITY SEWER MAIN NEW TYPE 1148"OX81-Oil DEPTH SANITARY SEWER MANHOLE WITH LID EASEMENT #1748010 PROPERTY OWNER.. 35' — 091 EXISTING CHERMAK HOWARD AND JUDITH SEWER FOR 1213 12TH PL N ADJACENT PROPERTY PROPERTY ADDRESS: 0 1214 11TH PL NE, O 4' - 0" 1 EDMONDS, WA 98020 SEWER STUB TO >/ j PROPERTY a a . EXISTING SEWER LINE TO BE CAPPED AT FROM NEW MANHOLE 6" CONC. WALL EXISTING CONCRETE DRIVEWAY EXISTING CITY SEWER MAIN SOUTH OF PROPOSED MANHOLE AND EXISTING SFR SEWER CONNECTION TO BE ABANDONED. � a ALL DISTURBED SOILS SHALL BE COMPOST AMENDED PER CITY OF NEW PROPOSED EDMONDS STANDARD DETAIL SD-642 OR RETAINING WALL APPROVED EQUAL. �o 1 EXISTING RESIDENCE U C0 1 I..- w � 0 1 N Q w 0 OWNER/CONTRACTOR IS RESPONSIBLE FOR U) EROSION CONTROL AND DRAINAGE MANHOLE SITE PLAN '-011 EXISTING DECK PROPERTY LINE F Nothing in the permit approval process shall be interpreted as allowing or permitting the maintenance of anv currently existine illegal. nonconformine or unpermitted building, structure or site condition which is outside the scope of the permit application, regardless of whether such building, structure or condition is shown on the site plan or drawing. Such building, structure or condition may be the subject of a separate enforcement action. 1 1 — 611 FOOTING 0 0 1 0 1 0 ti _z Q ct w w n 0 J 0 z X w w z J w 2'-611 n FOOTING 0 a: It 4a 25' - 6" +/- REAR -YARD SETBACK PARCEL NO.: 00606600001600 CITY OF EDMONDS EASEMENT #1748010: EAST 35' O F LOT 16 1 rr1 A I PYrnn1--%1P-%T1/1A 1_ VIEWLAND HEIGHTS BLK 000 D-00 - LOT 16 P-% M r-1 1 r n T PY r C1 n M 1 P-%T 1 r1 A 1. CONSTRUCTING NEW CONCRETE RETAINING WALL IN SLOPED TERRAIN IN REAR -YARD ENGINEERING DIVISION APPROVED AS NOTED 09/21 /2022 NO STORMWATER MANAGEMENT SYSTEM REQUIRED AT THIS TIME. IF NEW AND/OR REPLACED IMPERVIOUS SURFACE EQUALS 2000SQFT OR GREATER, A STORMWATER MANAGMEMENT SYSTEM MAY BE REQUIRED PER CITY CODES AND STANDARDS BLD2022-0766 info a@b2engineers.com 425-318-7047 (0) 425-318-0031 (C) �\ Bq WASy� s'A ti �Fj �QG 43789 O� cTURA L SS/ANAL HOWARD CHERMAK RETAINING WALL 1214 11 TH PLACE NORTH, EDMONDS, WA 98020 DRAWING INFO ISSUE DATE 08-22-22 ISSUED FOR PERMIT PROJECT NO. 22090 ENGINEER BB REVISION SCHEDULE NO. DATE DESCRIPTION RESUB Aug 23 2022 CITY OF EDMONDS DEVELOPMENT SERVICES DEPARTMENT MANHOLE SITE PLAN S-3 Copyright b2 Structural Engineers 2008 70'-0"+/- J CONTRACTOR TO FIELD VERIFY HEIGHT J Q S-4 OF RETAINING SOIL FOR REQUIRED WALL HEIGHT AND FOOTING SIZE z a P U (c) + _ ' O � N , EXISTING FOUNDATION FOUNDATION PLAN 1 /4" = 1 '-0" 1:1 SOIL SLOPE 1 1 — 011 6" 2" CLR #4 AT 16" E.W. --L'A ill 12" TOP COMPACTED AND RELATIVELY IMPERMEABLE SOIL PER GEOTECH REPORT 1/2" VERTICAL DRAIN MAT OR OTHER APPROVED PRODUCTS PER GEOTECH RECOMMENDATIONS EXISTING RESIDENCE 1:1 SOIL SLOPE #4 AT 16" E.W. #4 AT - 16" E.W. w - - _ DRAIN GRAVEL WRAPPED w IN FABRICS PER GEOTECH - o o_ _ =e=10 ==o RECOMMENDATIONS PER p , - RETAINING WALL U) NOTES ON S-1 DRAINAGE SHALL z Z NOT DISCHARGE — �/ TO SEWER OR -97 g" J = 14"O PVC DRAIN PIPE S SITE STEM VER IF (3) - #4-41=: WITH TY INSPECTOR THAT SOIL PREPARATIONSRETAINING WALL PER NOTES ON S-1 DRAINAGE DISCHARGES TO AN APPROVED LOCATION. Detail 1 1 if = 1 '-0" Detail 2 1 If = 1 '-0" 1'-0" 6" IMPORTANT NOTES ON FOUNDATION: FOUNDATION: 1. STRUCTURAL DESIGN COMPLIES WITH SOILS REPORT PRODUCED BY: GEO GROUP NORTHWEST INC, DATED MARCH 28, 2022 FOOTING BEARING PRESSURE: 2000 PSF LATERAL EARTH PRESSURE ON RETAINING WALLS: 50 PSF 2. SUBGRADE PREPARATION, DRAINAGE PROVISIONS, AND OTHER RELEVANT SOIL CONSIDERATIONS ARE TO BE IN ACCORDANCE WITH SAID SOILS REPORT ALL FOOTINGS SHALL BEAR ON SUITABLE SOIL SUCH AS MIN. OF MEDIUM DENSE NATIVE SOIL OR COMPACTED STRUCTURAL FILL (NO SOFT OR ORGANIC MATERIALS). GEOTECHNICAL ENGINEER MAY BE REQUIRED TO ASSESS EXISTING SOIL CONDITIONS. PER GEOTECH RECOMMENDATIONS: 1. THE TOP 12 INCHES OF THE FILL BEHIND THE WALL SHOULD CONSIST OF COMPACTED AND RELATIVELY IMPERMEABLE SOIL. THE BACKFILL IN AREAS ADJACENT TO CONCRETE RETAINING WALL SHOULD BE COMPACTED WITH HANDHELD EQUIPMENT (SUCH AS A JUMPING JACK). HEAVY COMPACTING MACHINES SHOULD NOT BE ALLOWED WITHIN A HORIZONTAL DISTANCE TO THE WALL EQUIVALENT TO ONE HALF OF THE WALL HEIGHT, UNLESS THE WALL IS DESIGNED TO ACCOMMODATE THE ADDED SURCHARGE. 2. FINAL SITE GRADES SHOULD DIRECT SURFACE WATER AWAY FROM PROPOSED RETAINING WALL. SUBSURFACE DRAINS SHOULD BE INSTALLED ALONGSIDE THE PROPOSED RETAINING WALL. THE DRAIN SHOULD CONSIST OF A 4-INCH MINIMUM DIAMETER, PERFORATED, RIGID PVC DRAIN PIPE LAID AT THE BOTTOM OF THE WALL, WITH THE PERFORATIONS FACING DOWNWARD. THE DRAIN ROCK AND PIPE SHOULD EACH BE WRAPPED IN A LAYER OF GEOTEXTILE FABRIC OR EQUIVALENT. THE DRAIN LINE SHOULD BE SLOPED AT SUFFICIENT GRADIENT TO GENERATE FLOW TOWARD AN APPROPRIATE STORMWATER DISCHARGE LOCATION OR COLLECTION SYSTEM. 3. TO PREVENT BUILDUP OF HYDROSTATIC PRESSURE BEHIND CONVENTIONAL RETAINING WALLS, A VERTICAL DRAIN EXTENDING FROM FINISHED SURFACE GRADE DOWN TO THE FOOTING DRAIN SHOULD BE INSTALLED. IN ADDITION, IT IS RECOMMENDED THAT A PRISM OF CLEAN, GRANULAR, FREE DRAINING STRUCTURAL BACKFILL MATERIAL AT LEAST 12 INCHES WIDE BE BACKFILLED AGAINST THE MATTED WALL. LEGEND AND NOTES 1/411= 11-011 12" TOP COMPACTED AND RELATIVELY IMPERMEABLE SOIL PER GEOTECH REPORT 1/2" VERTICAL DRAIN MAT OR OTHER APPROVED PRODUCTS PER GEOTECH RECOMMENDATIONS DRAIN GRAVEL WRAPPED IN FABRICS PER GEOTECH RECOMMENDATIONS PER NOTES ON S-1 N 4"0 PVC DRAIN PIPE III ii SOIL PREPARATIONS PER NOTES ON S-1 TYPE 11 PRECAST MANHOLE SEWER LINE TO 1214 11TH PL N 92.5 FT 6" PVC MANHOLE WILL NEED TO BE CHANNEL. NO CATCH. ENGINEERING DIVISION APPROVED AS NOTED -- 09/21 /2022 MANHOLE LID COVER MANHOLE ELEVATION 3/4" = 1 '-0" 100 FT SEWER LINE TO SEWER MAIN (NORTH) EXISTING 92.4 FT 8" PVC MANHOLE TO BE INSTALLED PER CITY STANDARD DETAIL GU-421 (ATTACHED) info@b2engineers.com 425-318-7047 (0) 425-318-0031 (C) �\ Bq Q,5 �F WASy/ s'A �Fj �QG 43789 O� cTURA L SS/ONAL HOWARD CHERMAK RETAINING WALL 1214 11 TH PLACE NORTH, EDMONDS, WA 98020 DRAWING INFO ISSUE DATE 08-22-22 ISSUED FOR PERMIT PROJECT N0. 22090 ENGINEER BB REVISION SCHEDULE NO. I DATE DESCRIPTION FRAMING PLANS AND DETAILS S-4 Copyright b2 Structural Engineers 2008 2" TO 6" CONC RISERS (4" MIN — 18" MAX) USING NON SHRINK GROUT PROVIDE SMOOTH FINISH INSIDE AND OUT 2 HANDHOLDS SEE COE STD DTL GU-423 POLYPROPYLENE SAFETY STEP/LADDER 12" OC PRECAST SECTIONS 4" MIN THICKNESS 11 TYP MIN SAND COLLAR DR KOR—N—SEAL MANHOLE <NOCKOUT STEPS FRAME AND COVER NOTES: 1. LOCATE MH LID OUTSIDE THE WHEEL PATH OF THE TRAVEL LANE. 2. BASE REINFORCING SHALL BE #4 REBAR AT 12" OC BOTH WAYS. 3. LARGER MH TO BE REVIEWED ON A CASE BY CASE BASIS USING APWA STANDARDS. 4. STEP AND LADDER MAY BE USED IN LIEU OF POLYPROPYLENE SAFETY STEPS. SEE COE STD DTL GU-423. CITY OF EDMONDS PUBLIC WORKS DEPARTMENT `St. 18y- MH FRAME AND COVER PER COE STD DTL GU-420 _ _ _ �10" MIN TO 24" MAX 24" 28" MAX d� 1 L < 6" MAX ° ECCENTRIC PRECAST CONE < d n n < d a SEE NOTE 4 °e 48" MIN , da d $ e a d 16" MAX CONSTRUCT CHANNEL SHELF 6" MIN REBAR MIN 2" CLEARANCE TYPE I MH APPROVED BY: R. ENGLISH REVISION DATE OCTOBER 2021 STANDARD DETAIL GU-421