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BLD2024-1136+EROSION CONTROL PLAN+8.29.2024_10.01.27_AM+4470229Q O 0 6 CONSTRUCTION STORMWATER CONTROL (CSC) GENERAL NOTES 1. THE APPLICANT SHALL DESIGNATE AN EROSION AND SEDIMENT CONTROL (ESC) SUPERVISOR WHO SHALL BE RESPONSIBLE FOR THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENT CONTROL BEST MANAGEMENT PRACTICES (BMPS). FOR LARGE CONSTRUCTION PROJECTS, THE Esc SUPERVISOR SHOULD BE A CERTIFIED EROSION AND SEDIMENT CONTROL LEAD (CESCL). PROVIDE THE NAME AND PHONE NUMBER OF THE ESC SUPERVISOR TO THE SITE INSPECTOR AT THE FIRST GROUND DISTURBANCE INSPECTION. 2. BMPS SHALL BE INSTALLED PRIOR TO STARTING CONSTRUCTION TO ENSURE SEDIMENT -LADEN WATER DOES NOT LEAVE THE PROJECT SITE OR ENTER ROADSIDE DITCHES, STORM DRAINS, SURFACE WATERS, DR WETLANDS. 3. THE BMPS INCLUDED IN THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. THE APPLICANT IS RESPONSIBLE FOR ENSURING THAT BMPS ARE MODIFIED AS NEEDED FOR UNEXPECTED STORM EVENTS OR OTHER UNFORESEEN CIRCUMSTANCES, AND TO ACCOUNT FOR CHANCINC SITE CONDITIONS. 4. ANY AREAS OF DISTURBED SOIL THAT WILL NOT BE WORKED FOR Two CONSECUTIVE DAYS DURINC THE WET SEASON(OCT 1 TO APRIL 30) OR SEVEN DAYS DURING THE DRY SEASON (MAY 1 TO SEPT 30) SHALL BE IMMEDIATELYSTABILIZED WITH APPROVED BMPS METHODS (E.G. STRAW, MULCH, PLASTIC COVERING, CUD MIX, ETC.) 5. GRADING AND/OR SOIL DISTURBING ACTIVITIES MAY BE LIMITED OR PROHIBITED FOR CERTAIN SITES SUBJECT TO ECA STANDARDS (I.E. ECA STEEP SLOPES, LANDSLIDE PRONE AREAS, ETC.) BETWEEN OCTOBER 31ST AND APRIL 1ST. IF NOTED IN THE GEOTECHNICAL SPECIAL INSPECTIONS REQUIREMENTS, A GRADING SEASON EXTENSION LETTER (GSEL) ISSUED BY SDCI IS REQUIRED FOR ALL GRADING AND/OR SOIL DISTURBING ACTIVITIES DURING THIS PERIOD. THE GEOTECHNICAL SPECIAL INSPECTOR MUST SUBMIT ELECTRONIC APPLICATIONS FOR A GSEL USING THE SDCI PROJECT PORTAL. ALLOW FOUR TO SIX WEEKS FOR PROCESSING. FAILURE TO OBTAIN THE CSEL PRIOR TD OCTOBER 31 MAY RESULT IN A WORK STOPPAGE. 6. CITY STREETS AND SIDEWALKS SHALL BE KEPT CLEAN AT ALL TIMES. NO MATERIAL SHALL BE STORED ON CITY STREETS OR SIDEWALKS WTHOUT A STREET USE PERMIT FROM THE SEATTLE DEPARTMENT OF TRANSPORTATION (SDOT). 7. POLLUTION CONTROL MEASURES SHALL BE FOLLOWED TO ENSURE THAT NO LIQUID PRODUCTS OR CONTAMINATED WATER ENTERS ANY STORM DRAINAGE FACILITIES OR OTHERWISE LEAVES THE PROJECT SITE. ANY HAZARDOUS MATERIALS OR LIQUID PRODUCTS THAT HAVE THE POTENTIAL TO POLLUTE RUNOFF SHALL BE STORED AND DISPOSED OF PROPERLY. 8. ENSURE THAT WASHOUT FROM CONCRETE TRUCKS IS PERFORMED OFF -SITE OR IN DESIGNATED CONCRETE WASHOUT AREAS ONLY. DO NOT WASH OUT CONCRETE TRUCKS ONTO THE GROUND, OR TO STORM DRAINS OR OPEN DITCHES. DO NOT DUMP EXCESS CONCRETE ONSITE, EXCEPT IN DESIGNATED CONCRETE WASHOUT AREAS. 9. ALL AREAS OF DISTURBED SOIL SHALL BE FULLY STABILIZED WITH THE APPROPRIATE SOIL AMENDMENT AND COVER MEASURES AT COMPLETION OF THE PROJECT. TYPICAL COVER MEASURES INCLUDE LANDSCAPING OR HYDROSEED WITH MULCH. COMPOST SOCK n 'EXCESS SOCK MATERIAL, DRAWN IN AND TIED OFF AT STAKE (TYP.) DISTURBED�,;:y! AREA":iit:� PLAN VIEW SPACING VARIES (TYP.) SEE NOTE 3 TREE & VEGETATION PROTECTION TREE PROTECTION FENCING AND SIGN VEGETATION PROTECTION (DOES NOT APPLY TO TREES) 1. CHAIN LINK FENCE REQUIRED (NO ORANGE CONSTRUCTION FENCE OR 1. ORANGE MESH OR SIMILAR OPEN PLYWOOD) MATERIAL 2. MINIMUM 6' HIGH 2. PROTECT VEGETATION OUTSIDE 3. FENCE SHALL BE SUPPORTED BY CONSTRUCTION ZONE WITH FENCING AS RIGID POSTS DRIVEN INTO THE SHOWN I 'D' - 0" @ 30A ANGLE EACH END TO PREVENT FLOW AROUND (TYP.) 2"X2"X3' WOODEN STAKE COMPOST SOCK SEE NOTE 1 CONTOUR LINE (TYP,) 2"X 2"X 3' WOODEN STAKE, DETAIL SPACED EVERY 3' O,C. (TYP.) GROUND AT 8' MAXIMUM INTERVALS 4. MUST BE INSTALLED PRIOR TO DEMOLITION OR GROUND DISTURBANCE 5. KEPT IN PLACE FOR THE DURATION OF CONSTRUCTION 6. NO DUMPING OF ANY MATERIALS IN THE PROTECTION AREA 7. NO SOIL DISTURBANCE OR ACTIVITY ALLOWED WITHIN FENCED AREA: MATERIAL STORAGE/STOCKPILING, PARKING, EXCAVATION, DUMPING, DRIVEN FENCE OR WASHING POSTS AT 8' 8. MODIFICATIONS OF THESE MAX INTERVALS REQUIREMENTS BY APPROVAL OF SDCI PLANNER ONLY 9. IF ROOTS GREATER THAN 2 INCH b FOUND OUTSIDE OF FENCING, PROTECT BY HAND EXCAVATION AND, IF NECESSARY, CUT CLEANLY AND KEEP MOIST 10. USE 3 INCHES OR DEEPER WOOD CHIP MULCH OUTSIDE FENCED AREAS TO PROTECT FEEDER ROOTS DISTURBED I 1_ COMPOST SOCK SHALL BE IN ACCORDANCE WITH AREA STANDARD SPECIFICATION 9.14.4(9). COMPOST SOCK SHALL BE A MINIMUM OF10" IN DIAMETER OR SIZED TO SUIT CONDITIONS AS SPECIFIED BY THE ENGINEER. 2. ALWAYS INSTALL COMPOST SOCK PERPENDICULAR TO SLOPE AND ALONG CONTOUR LINES. PROTECTED AREA REMOVE SEDIMENT FROM THE UP SLOPE SIDE OF SECT ION I(& THE COMPOST SOCK WHEN ACCUM,JLATION HAS PEACHED 1/2 OF THE EFFECTIVE HEIGHT OF THE COMPOST SOCK. (SHOWN AS SLOPE PROTECTION) 4_ MAY BE USED IN PLACE OF FILTER FENCE FOR PREMIER CONTROL. CANOPY DRIP LINE DEFINES TREE & VEGETATION PROTECTION AREA TREE & VEGETATION FENCING AROUND ENTIRE DRIP LINE ON PERMIT SITE. ALTERNATIVE TREE PROTECTION, IF APPROVED BY SDCI, AS SHOWN ON SITE PLAN c� Cn Cn C W c� W Cn c� STOCKPILE AND EXPOSED SLOPE COVERING 6 NIL (MIN) ANCHOR WEIGHTS 'NITH CLEAR PLASTIC STAKES STRAW , SHEETI14G CONVEY RUNOFF TO APPROVED LOCATION STOCKPILES 0 W EXISTING ASPHALT ' DRIVEWAY TO BE USED AS CONSTRUCTION ACCESS (TEMP. SOIL STOCKPILE TEMPORARY EROSION CONTROL COMPOST SOCK EROSION CONTROL PLAN a SOIL BERM STRAW BALES BURY SHEETING IN 4"z5' TRENCH A MIN. OF 8 FT. SETBACK FROM TOP OF SLDPE, BACkFTLL WITH WASHED ROCK IO' MAX. {�-- PROVIDE ENERGY DISSIPATION AT TOE WHEN NEEDED TOE IN SHEETING IN 4'x8' TRENCH A MIN. OF 3 FT. SETBACK FROM BOTTOM OF SLOPE, I BACKFlLL WITH WASHED RO--K — — — rih CONVEY RUNOFF TO__ -------- APPROVED LOCATION 1 SI CPFS 5 MIL (MIN) CLEAR PLASTIC SHEETING ANCHOR WEIGHTS WITH STAKES CONVEY RUNOFF TO APPROVED LOCATION 5 1 � 1 � 3' IN. � b LVy', y i N 49°49'01" W 113.00' oz NoRT CT TREE PROTECTI FENCE to tCD LUJ o� Lf� 0 II ICD P*-7v P OINT OF V ISION A R C H I T E C T U R A L S E R V I C E S 1628 46th Street SE, Everett, WA 98203 p o i n t o f v i s i o n @ h o t m a i I. c o m (425)772-8207 5978 REGISTERED ROBERT A. BOZORTH STATE OF WASHINGTON Adult Family Home For: Bothell Manor LLC 1520 10th Place N Edmonds, WA 98020 Check Set 8/29/24 ARCHITECTS RESPONSIBILITY TERMINATES UPON ISSUANCE OF BUILDING PERMIT OR COMMENCEMENT OF CONSTRUCTION AND IS LIMITED TO DRAFTING AND/OR REDRAFTING OF WORKING DRAWINGS IN REGARDS TO ERRORS AND/OR OMISSIONS. CONTENT OF WORKING DRAWINGS ARE TO BE VERIFIED PRIOR TO CONSTRUCTION BY CONTRACTOR. WRITTEN DIMENSIONS HAVE PRECEDENCE OVER SCALED. ©2023 ALL RIGHTS RESERVED BY ARCHITECT ISSUANCE PROJECT INFORMATION PROJECT NO: POV2339 PROJECT MANAGER: BB DRAWN BY: BB Erosion Control Plan SHEET NO Alml