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EXISTING VEGETATION <br />EXISTING GRADE AFTER <br />GLEANING AND GRADING <br />WORK ----------- <br />EXISTING GRADE / <br />PRIOR TO FILL* <br />LOCATION AND ELEVATION <br />RELATIVE TO WALL AND TOE OF <br />EXISTING "PRE -FILL" GRADE <br />EXISTING WOOD <br />RETAINING WALL <br />RIVER <br />*PROPOSED GRADING WILL MATCH EXISTING TOPOGRAPHY PRIOR TO FILL (PTF) AS MUCH AS POSSIBLE. WHERE <br />EXISTING GROUND PTF CONTAINED VERY UNEVEN AREAS SUCH AS HOLES, TEST PITS, RILLS, EROSION CHANNELS, <br />PROPOSED GRADING SHALL GENERALLY ONLY MIMIC THE EXISTING TOPOGRAPHY, WILL ALLOW FOR NATURAL <br />DRAINAGE, AND WILL INCLUDE SOILAMENDMENTTO SUPPORT NEW PLANTING. UNEVEN FEATURES AS NOTED <br />ABOVE SHALL NOT BE RESTORED. <br />**BOTH EXISTING (PTF) AND CURRENT TOPOGRAPHY CONTAIN STEEP SLOPES AND ERODED AREAS AGAINST <br />PORTIONS OF THE WOOD RETAINING WALL. IF UNSTABLE OR STEEP AREAS ARE FOUND IN THE FIELD, THE <br />CONTRACTOR SHALL NOTIFY THE ENGINEER AND OWNER'S REPRESENTATIVE PRIOR TO ESTABLISHING GRADE IN <br />THE AREAS <br />ri'N TYPICAL SECTION AT WOOD RETAINING WALL <br />11�C 4 SCALE: NTS <br />ATTACH IN A MANNER THAT <br />ASSURES FABRIC IS FIRMLY <br />HELD BYTHE BACKUP <br />SUPPORT IN A WAY THAT <br />REDUCES THE POTENTIAL <br />FOR FABRIC TEARING <br />BACKUP SUPPORT <br />,l <br />BACKFILLED & 3: <br />COMPACTED ll'' <br />NATIVE SOIL GEOTEXTILE <br />FLOW� <br />BURY GEOTEXTILE <br />IN TRENCH <br />NOTES <br />POST SEE WSDOT STANDARD <br />1. <br />INSTALL THE ENDS OF THE SILT FENCE TO POINT <br />SPECIFICATIONS 8-01.3(9)A <br />SLIGHTLY UPSLOPE TO PREVENT SEDIMENT FROM <br />FLOWING AROUND THE ENDS OF THE FENCE. <br />2. <br />PERFORM MAINTENANCE IN ACCORDANCE WITH <br />FASTEN GEOTEXTILE TO <br />WSDOT STANDARD SPECIFICATIONS 8-01.3(9)A <br />POST EVERY 6" IN O.C. <br />AND 8-01.3(15). <br />3. <br />SPLICES SHALL NEVER BE PLACED IN LOW SPOTS <br />OR SUMP LOCATIONS. IF SPLICES ARE LOCATED IN <br />LOW OR SUMP AREAS, THE FENCE MAY NEED TO <br />SELF-LOCKING TIE-NYLONE <br />BE REINSTALLED UNLESS OTHERWISE APPROVED. <br />6/6 (MIN GRADE) <br />12011 MIN TENSILE STRENGTH, <br />4. <br />INSTALL SILT FENCING PARALLEL TO MAPPED <br />UV STABILIZED <br />CONTOUR LINES. <br />5. <br />DURING EXCAVATION, MINIMIZE DISTURBING <br />THE GROUND AROUND TRENCH AS MUCH AS IS <br />FEASIBLE, AND SMOOTH SURFACE FOLLOWING <br />EXCAVATION TO AVOID CONCENTRATING FLOWS. <br />COMPACTION MUST BE ADEQUATE TO PREVENT <br />UNDERCUTTING FLOWS. <br />1� BACKUPSUPPORT <br />GEOTEXTILE FOR SILT FENCE i ,i �2p STEEL POST (TYPICAL) <br />SEE STANDARD SPECIFICATION <br />j, TFj (TYPICAL) <br />SECTION 9-33.2 (1), TABLE 6 �� p <br />j <br />O PO <br />FABRIC <br />QUO (GEOTEXTILE) <br />(TYPICAL) <br />INSTALL BACKUP SUPPORT FORtt# I 1} <br />THE GEOTEXTILE SEE STANDARD <br />SPECIFICATION SECTION 8.01.3(9)A <br />TOP EL. =14' r y+ NG) I I <br />Surface area determined �' i I QPOY�p <br />4' Min. i S pQ� SPLICED FENCE SECTIONS SHALL BE CLOSE ENOUGH TOGETHER <br />TOP EL. =14' at top of weir I i I l p <br />r { 1 tJ` TO PREVENT SILT LADEN WATER FROM ESCAPING THROUGH THE <br />i <br />1'Min. Overflow <br />FENCE AT THE OVERLAP. <br />6A0� ERLAP. <br />1 <br />-- �I _... <br />--- <br />(. SPLICE DETAIL <br />' Min. <br />1' Min. f <br />4- 3.5' - 5' I -( �1 - I WSDOT STD PLAN 1-30.10-02 ACCEPTABLE SUBSTITUTE <br />SILT FENCE <br />Flat Bottom 1.5' Min. ! t I i / )j WITHPICAL BACKUP SUPPORT <br />I EXCEPT STEEL POST REQUIRED <br />BOTTOM EL. = 10.5' Wash gravel Discharge to �i ����OP�EP ISOMETRIC CITY OF EVERETT <br />Note: Trap may be formed by berm or by Geotextile stabilized W i QUO PUBLIC WORKS DEPARTMENT <br />11 <br />conveyance, y W� <br />partial or complete excavation. 2" - 4" Rock outlet, or level pj� / ' RYwANSAiS nureincxvv PZTL_W uWue <br />Rip Rap " "Esx 03/17/2017 <br />spreader <br />TEMPORARY SILT FENCE 214 <br />2 SEDIMENT TRAP <br />C•3 SCALE: NTS <br />CALL 48 HOURS <br />BEFORE YOU DIG <br />1-800-424-5555 <br />0 i BergerABAM <br />33301 9th Avenue South, Suite 300 <br />Federal Way, Washington 98003-2600 <br />(206) 431-2300 Fax:(206) 431-2250 <br />TYPICAL INSTALLATION DETAIL <br />3 TEMPORARY SILT FENCE <br />C•3 SCALE: NTS <br />DRAWN BY SK LEHIGH HANSON MATERIALS LIMITED <br />DESIGN BY SK DELTA SITE RESTORATION <br />CHECK BY JC <br />PROJ MGR MM CIVIL NOTES AND DETAILS <br />DRAWING NO. C-5 <br />PROJECT NO. A18.0229.00 <br />DATE: 9/12/18 <br />SHEET NO. 7 OF 11 <br />