17 E MARINE VIEW DR 2022-02-01 - Laserfiche WebLink

EXISTING VEGETATION EXISTING GRADE AFTER EXISTING WOOD GLEANING AND GRADING RETAINING WALL WORK EXISTING GRADE / " PRIOR TO FILL' LOCATION AND ELEVATION RIVER RELATIVE TO WALL AND TOE OF EXISTING "PRE -FILL" GRADE �SNOHOMISH `PROPOSED GRADING WILL MATCH EXISTING TOPOGRAPHY PRIOR TO FILL (PTF) AS MUCH AS POSSIBLE. WHERE EXISTING GROUND PTF CONTAINED VERY UNEVEN AREAS SUCH AS HOLES, TEST PITS, RILLS, EROSION CHANNELS, PROPOSED GRADING SHALL GENERALLY ONLY MIMIC THE EXISTING TOPOGRAPHY, WILL ALLOW FOR NATURAL DRAINAGE, AND WILL INCLUDE SOIL AMENDMENT TO SUPPORT NEW PLANTING. UNEVEN FEATURES AS NOTED ABOVE SHALL NOT BE RESTORED. "BOTH EXISTING (PTF) AND CURRENT TOPOGRAPHY CONTAIN STEEP SLOPES AND ERODED AREAS AGAINST PORTIONS OF THE WOOD RETAINING WALL. IF UNSTABLE OR STEEP AREAS ARE FOUND IN THE FIELD, THE CONTRACTOR SHALL NOTIFYTHE ENGINEER AND OWNER'S REPRESENTATIVE PRIORTO ESTABLISHING GRADE IN THE AREAS 1 TYPICAL SECTION AT WOOD RETAINING WALL C•4 SCALE: NTS Surface area determined EL. =14' at top of weir I ■ 1'Min.� I N 5' Flat Bottom 1.6 Min.%4" -1.5"TTOM EL. =10.5' Washed gravel Note: Trap may be formed by berm or by Geotext le partial or complete excavation. 2" - 4" Rock Rip Rap 2 SEDIMENT TRAP C-3 SCALE: NTS N CALL 48 HOURS BEFORE YOU DIG N 1-800-424-5555 N EL. =14' Overflow i 1' Min. 7- Discharge to stabilized conveyance, outlet, or level spreader BergerABAM 333019th Avenue South, Suite 300 Federal Way, Washington 98003-2600 (206) 431-2300 Fax: (206) 431-2250 ATTACH IN A MANNER THAT ASSURES FABRIC IS FIRMLY HELD BY THE BACKUP SUPPORT IN A WAY THAT REDUCES THE POTENTIAL FOR FABRIC TEARING fl BACKUP SUPPORT ` i BACKFILLED & COMPACTED NATIVE SOIL —\ GEOTEXTILE BURY GEOTEXTILE IN TRENCH �i NOTES POST SEE WSDOT STANDARD SPECIFICATIONS 8-01.3(9)A 1. INSTALL THE ENDS OF THE SILT FENCE TO POINT SLIGHTLY UPSLOPE TO PREVENT SEDIMENT FROM FLOWING AROUND THE ENDS OF THE FENCE. 2. PERFORM MAINTENANCE IN ACCORDANCE WITH FASTEN GEOTEXTILE TO WSDOT STANDARD SPECIFICATIONS 8-01.3(9)A POST EVERY 6" IN O.C. AND 8-01.3(15). 3. SPLICES SHALL NEVER BE PLACED IN LOW SPOTS OR SUMP LOCATIONS. IF SPLICES ARE LOCATED IN LOW OR SUMP AREAS, THE FENCE MAY NEED TO SELF-LOCKING TIE-NYLONE BE REINSTALLED UNLESS OTHERWISE APPROVED. (MIN GRADE) 4. INSTALL SILT FENCING PARALLEL TO MAPPED 12 1201E MIN TENSILE STRENGTH, CONTOUR LINES. UV STABILIZED S. DURING EXCAVATION, MINIMIZE DISTURBING THE GROUND AROUND TRENCH AS MUCH AS IS - FEASIBLE, AND SMOOTH SURFACE FOLLOWING EXCAVATION TO AVOID CONCENTRATING FLOWS. \� COMPACTION MUST BE ADEQUATE TO PREVENT UNDERCUTTING FLOWS. TYPICAL INSTALLATION DETAIL INSTALL BACKUP SUPPORT FOR THE GEOTEXTILE SEE STANDARD SPECIFICATION SECTION 8.01.3(9)A E you / i F J 3 TEMPORARY SILT FENCE C-3 SCALE: NTS sF BACKUP SUPPORT GEOTEXTILE FOR SILT FENCE STEEL POST i F (TYPICAL) SEE STANDARD SPECIFICATION SECTION 9-33.2 (1), TABLE 6 a f Ft (TYPICAL) FABRIC j tt i QttO� (GEOTEXTILE) TYPICAL SILT FENCE WITH BACKUP SUPPORT ISOMETRIC (TYPICAL) AlIt SPLICED FENCE SECTIONS SHALL BE CLOSE ENOUGH TOGETHER TO PREVENT SILT LADEN WATER FROM ESCAPING THROUGH THE FENCE AT THE OVERLAP. SPLICE DETAIL WSDOT STD PLAN 1-30.10-02 ACCEPTABLE SUBSTITUTE EXCEPT STEEL POST REQUIRED M CITY OF EVERETT r., PUBLIC WORKS DEPARTMENT TEMPORARY SILT FENCE 1 214 DRAWN BY SK LEHIGH HANSON MATERIALS LIMITED DESIGN BY SK DELTA SITE RESTORATION CHECK BY JC PROJ MGR MM CIVIL NOTES AND DETAILS DRAWING NO. C-5 PROJECT N0. A18.0229.00 DATE: 9/12/18 SHEET NO.