HomeMy WebLinkAbout002_C3.1.1_EROSION&SEDIMENTCONTROL_01052022////////////////////////±20'RADIUS(TYP)MOUNTABLE BERM /DIVERSION RIDGEPUBLIC ROAD OROTHER STABLESURFACEAA6.00'10.00'20.00'50' (MIN)2% OR GREATERMOUNTABLE BERM / DIVERSION RIDGE ISREQUIRED WHERE GRADE EXCEEDS 2%FILTER FABRICSECTION A-ANOT TO SCALENOTES:1.THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION THAT WILL PREVENT TRACKING OR FLOWING OF SEDIMENTONTO PUBLIC RIGHTS-OF-WAY. THIS MAY REQUIRE TOP DRESSING, REPAIR, AND/OR CLEANOUT OF ANY MEASURESUSED TO TRAP SEDIMENT.6" (MIN) THICKNESS OF2" TO 3" COURSEAGGREGATECATTLE GUARDSTRAW WATTLES1" x 1" STAKELIVE STAKENOTES:1.STRAW WATTLE INSTALLATION REQUIRES THE PLACEMENT AND SECURESTAKING OF THE ROLL IN A TRENCH, 3" x 5" (75-125mm) DEEP,DUG ON CONTOUR. RUNOFF MUST NOT BE ALLOWED TO RUNUNDER OR AROUND ROLL.WATTLE SPACINGDEPENDS ON SOILTYPE AND SLOPESTEEPNESSADJACENT ROLLSSHALL TIGHTLYABUTSTRAW WATTLE MUST BEPLACED ALONG SLOPECONTOURSSEDIMENT, ORGANIC MATTER,AND NATIVE SEEDS ARECAPTURED BEHIND THE WATTLE3'-4'(1.2m)10'-25'(3-8m)8"-10" DIA.(200-250mm)3"-5"(75-125mm)10 MILPLASTIC LININGCC10'-0" (MINIMUM)VARIESCONCRETE WASHOUT TYPE CABOVE GROUND WITH STRAW BALESSECTION C-CNOT TO SCALESTAPLES(2 PER BALE)WOOD ORMETAL STAKES(2 PER BALE)10 MILPLASTIC LININGBALESTRINGSTRAW BALENATIVE MATERIAL(OPTIONAL)WOOD ORMETAL STAKES(2 PER BALE)STRAW BALE(TYP)2"8"1.12" DIASTEELWIRESTAPLE DETAILNOT TO SCALECONCRETEWASHOUT4" x 4" x 8'WOODPOST48" x 24" PLYWOODPAINTED WHITE6" BLACK LETTERSLAG SCREWSWITH WASHERS(4 TOTAL)3'-0"3'-0"CONCRETE WASHOUT SIGNMAY BE SUBSTITUTED WITHAPPROVED EQUALNOTES:1.THE ACTUAL LAYOUT OF THE CONCRETE WASHOUT FACILITY SHALLBE DETERMINED IN THE FIELD.2.A CONCRETE WASHOUT SIGN SHALL BE INSTALLED WITHIN THIRTYFEET (30') OF THE TEMPORARY CONCRETE WASHOUT FACILITY.3.MATERIALS USED TO CONSTRUCT TEMPORARY CONCRETEWASHOUT FACILITIES SHALL BE REMOVED FROM THE PROJECTSITE AND DISPOSED OF OR RECYCLED.4.HOLES, DEPRESSIONS, OR OTHER GROUND DISTURBANCE CAUSEDBY THE REMOVAL OF THE TEMPORARY CONCRETE WASHOUTFACILITIES SHALL BE BACKFILLED, REPAIRED, AND STABILIZED TOPREVENT EROSION.INLET GRATESIDE FLAP(SEE NOTE #4)LENGTH AND WIDTHDIMENSIONS SHALLBE PER PLANFRONT LIFTING FLAP(SEE NOTE #3)FLAP POCKET(SEE NOTE #5)USE REBAR, STEEL PIPE, ORWOOD 2"x4" FOR REMOVALMINIMUM DOUBLE STITCHEDSEAMS ALL AROUND SIDEPIECES AND ON FLAP POCKETSGEOTEXTILE FILTER FABRIC(FRONT, BACK, AND BOTTOM TOBE A SINGLE PIECE OF FABRIC)4"x6" OPENINGS WITHROUNDED CORNERSSHALL BE HEAT CUT(ONE HOLE ON EACHOF THE FOUR SIDES)12"(MIN)8"4"12"INLET PROTECT TYPE DCAN BE INSTALLED IN INLETSWITH OR WITHOUT CURB BOXESNOTES:1.TAPER BOTTOM OF BAG TO MAINTAIN THREE INCHES (3") OF CLEARANCE BETWEEN THE BAG AND THE STRUCTURE,MEASURED FROM THE BOTTOM OF THE OVERFLOW OPENINGS TO THE STRUCTURE WALL.2.GEOTEXTILE FILTER FABRIC FOR FLAPS, TOP AND BOTTOM OF OUTSIDE FILTER BAG. FRONT, BACK, AND BOTTOM OFFILTER BAG BEING ONE PIECE.3.FRONT LIFTING FLAP IS TO BE USED WHEN REMOVING AND MAINTAINING FILTER BAG.4.SIDE FLAPS SHALL BE A MAXIMUM OF TWO INCHES (2") LONG. FOLD THE FABRIC OVER AND REINFORCE WITH MULTIPLE STITCHES.5.FLAP POCKETS SHALL BE LARGE ENOUGH TO ACCEPT WOOD 2"x4". THE REBAR, STEEL PIPE, OR WOOD SHALL BEINSTALLED IN THE REAR FLAP AND SHALL NOT BLOCK THE TOP HALF OF THE CURB FACE OPENING.MAINTENANCE NOTES:WHEN REMOVING OR MAINTAINING INLET PROTECTION, CARE SHALL BE TAKEN SO THAT THE SEDIMENT TRAPPED IN THE FABRICDOES NOT FALL INTO THE STRUCTURE. MATERIAL THAT HAS FALLEN INTO THE INLET SHALL BE IMMEDIATELY REMOVED.NOT TO SCALETEMPORARY GRAVEL CONSTRUCTION ENTRANCENOT TO SCALESTRAW WATTLE INSTALLATION DETAILNOT TO SCALECONCRETE WASHOUT FACILITY DETAILNOT TO SCALEINLET PROTECTION TYPE D DETAILSRKnow what'sbelow.before you dig.Callissue dateproject #phasesheet
project
ownerrevisiondateC3.1.1EROSION & SEDIMENT CONTROL DETAILS
21012.00VANCE THOMPSON VISION
BID & PERMIT SET
No. 49499CELINE MPROFESSIONALENGIN
EER MONTANALICENSEDSAUCIER100% BID & PERMIT10.29.20211 10/22/21