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LAND USE #CHECKEDSHEET NUMBERPROJECT #SHEET TITLEDESIGNEDDATEDRAWN DESCRIPTION#DATE BY DETAILS <br />Riverside Drive Bank Stabilization <br />City of South Bend Board of Public Works <br />CITY OF SOUTH BEND, INDIANADETAILS11OCT 2021CODRAS JBRJ18X4656BID DOCUMENTS <br />----WALKERTON <br />708 Roosevelt Road Walkerton, IN 46574 USA <br />TEL (1) 574-586-3400 www.cardno.com <br />R:\Projects\18\18X\18X465600_CityofSouthBend_LARE_St.JosephRiverBankStabilization\CAD\DESIGN\20211020_StJosephRiverDESIGN.dwg - 10/21/2021 1:41:58 PM <br />NOT TO SCALEINLET PROTECTIONSilt Fence shall be a machine produced, non-woven geotextile of 100%polypropylene meeting the physicalproperties below. Reference City of South Bend Standard Details for infoAll stakes shall be 2" X 2" hardwood 36" tall with 24" tall lath stapled to stakes over fabric as reinforcement.Install silt fence as needed to insure sediment control.Fabric Weight........................................................... 4 oz/sydGrab Strength.......................................................... Warp 125 lbs.Elongation................................................................ Warp 50 %Trapezoidal Tear Strength....................................... 50 lbs.Burst Strength......................................................... 200 psiUV Resistance.......................................................... > 70 %A.O.S......................................................................... 50-80Slurry Flow Rate...................................................... 225 gpm/sq. ftSediment Retention................................................. 75 %STAKES @ 5' O.C.GROUND SURFACESILT FENCE MATERIALSHOULD BE BURIED 6"BELOW GROUND SURFACEFENCE POSTSILT FENCE MATERIALFENCE POST SHOULD BEBURIED 1' BELOW GROUNDSURFACE1'2'SILT FENCE65NOT TO SCALETYPICAL EROSION CONTROL BLANKET INSTALLATIONNOT TO SCALE2:1 SLOPE TAMP SOIL OVER MAT/BLANKETTRENCHING REQ'D.18"6" MIN. OVERLAP18"EROSION CONTROL BLANKETINSTALLED HORIZONTALLYACROSS SIDE SLOPESSECURED WITH PINS/STAPLESAND TRENCHED AT BOTTOM, TOPAND SIDES OF EMBANKMENTGEOPININSTALLED WITHNAG SC150BN BLANKET1. EROSION CONTROL BLANKET SURFACE SHALL BE FREE OF ROCKS, CLODS, STICKS AND GRASS.2. APPLY PERMANENT SEEDING BEFORE PLACING BLANKETS.3. BLANKETS SHALL HAVE GOOD SOIL CONTACT.4. LAY BLANKETS LOOSELY AND STAPLE TO MAINTAIN DIRECT CONTACT WITH THE SOIL. DO NOT STRETCH.5. INSTALL PER MANUFACTURER'S RECOMMENDATIONS INCLUDING OVERLAP OF 6" AT EACH BLANKET.6. UPSTREAM AND DOWNSTREAM ENDS OF EROSION CONTROL BLANKET SHALL BE KEYED 6" OR MORE INTO SUBSTRATE.7. UPPER AND LOWER EDGE OF EROSION CONTROL BLANKET SHALL BE KEYED INTO SUBSTRATE 6" OR MORE AS SHOWN.8. COIR MAT (700 g) UNDERLAIN WITH NAG SC 150BN SHALL BE INSTALLED PARALLEL TO FLOW FROM THE TOP OF THEROCK TOE TO AT MINIMUM ELEVATION 680'. GRIPPLE 12" HIGH LOAD TWIST ANCHOR PINS OR EQUIVALENT TO PINBLANKET 2' ON CENTER.9. NAG SC150BN EROSION CONTROL MAT SHALL BE INSTALLED FROM TOP OF COIR MAT TO 5' BEYOND TOP OF BANK. 18"GEOPINS TO SECURE BLANKET 2' ON CENTER.EROSION CONTROL BLANKET NOTES18" MINIMUM6"(15 cm)12"12"6"TWIST ANCHOR PININSTALLED WITHIN AREAS OF COIR MAT (700 g)12" MINIMUM6"4"- 6"6"12"4SILT FENCE NOTES