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POINT " <br />POINT ..A-- Ql <br />FABRIC TYPE 1V (SPEC.3733) <br />ALONG BOTTOM OF RIPRAP <br />ROCK DITCH CHECKS <br />FILTER BERMS TYPE 3 (ROCK WEEPER) OR FILTER TYPE 5 (ROCK) Q(�) <br />(FOR USE ON ROUGH GRADED AREAS) <br />EROSION CONTROL BLANKET <br />CATEGORY 3 <br />BOTTOM OF UPPER CHECK SHOULD BE SAME <br />ELEVATION AS THE TOP OF THE LOWER <br />CHECK TO PROVIDE FOR POOLING. <br />FLO� FILTER BERM TYPE 3 OR 5 <br />-� (SHOWN) <br />SPACING (Y)DETERMINED Y <br />BY FORMULA (SEE NOTES) <br />DITCH CHECK SPACING <br />(FOR ALL FILTER BERM TYPES) <br />N 1 1N, X 2 1N, X 24 IN. LONG WOODEN STAKES AT 1 FT. MAXIMUM <br />4" X 4" TRENCH BACKFILLED OVER SPACING. STAKES SHALL BE DRIVEN THROUGH THE BACK HALF <br />EROSION CONTROL BLANKET T OF THE SEDIMENT CONTROL LOG AT AN ANGLE OF 45 <br />I \ POINT r POINT ROSION CONTROL BLANKET DEGREES WITH THE TOP OF THE STAKE POINTING UPSTREAM. <br />` „B„ �NCHOR TRENCH, <br />A ACKFILL I H TAMPED SEDIMENT CONTROL LOG TYPE WOOD FIBER <br />4TURAL IL. <br />EROSION <br />FLOWCONTROL B NKET <br />4 IN. MIN. CATEGORY 3 (8 FT, IN. WIDTH) <br />STAPLE BLANK T 1 %�y WITH 6 1% STAPLES AT 18 IN. <br />8". 11 GA. STAPLES �( 4 IN. MIN. MAX SPACING 1THI RO k AND 2 F77, MAX. SPACING <br />SPACED 1' 0" ON CENTER BEJEEN ROWS. LE�D�NG AN� TRAILING EDGE SHALL BE <br />STAPPLED APPROX, 6 1 . FRO EDGE (TYP.) <br />SEDIMENT CONTROL LOG TYPE BLANKET SYSTEM 04 <br />SEDIMENT CONTROL LOG TYPE WOOD FIBER, OR TYPE COMPOST QQ <br />(FOR USE ON ROUGH GRADED AREAS) <br />REVISION: <br />APPROVED: 2-28-2017 <br />MEF E4ylRGIokN1� . <br />NOTES: <br />SEE SPECS. 2573.3601.3733.3885.3886 & 3889. <br />FOR DITCH CHECKS.PLACE SEDIMENT CONTROL LOG PERPENDICULAR TO FLOW AND IN A CRESCENT SHAPE WITH <br />THE ENDS FACING UPSTREAM. <br />APPROXIMATE SPACING BETWEEN EACH DITCH CHECK SHOULD BE DETERMINED FROM THE FOLLOWING SPACING FORMULA: <br />APPROXIMATE SPACING OF DITCH CHECKS (FT.)= Y = DITCH CHECK HEIGHT (FT) X 100 <br />% CHANNEL SLOPE <br />Q1 POINT "A" MUST BE A MINIMUM OF 6 INCHES HIGHER THAN POINT "B" TO ENSURE THAT WATER FLOWS OVER THE <br />DIKE AND NOT AROUND THE ENDS. <br />O PERMANENT ROCK DITCH CHECKS PLACED WITHIN THE CLEAR ZONE ARE TO BE 18" OR LESS IN HEIGHT. A 1:6 <br />APPROACH AND DEPARTURE SLOPE SHALL BE PROVIDED. <br />(J)DITCH GRADE 3% - 5%. MAX.FLOW VELOCITY 12 FT./SEC.. <br />Q DITCH GRADE 1.5% - 3%. MAX, FLOW VELOCITY 4.5 FT./SEC.. <br />O5 DITCH GRADE 1.5% - 3%. MAX, FLOW VELOCITY 1.5 FT./SEC.. <br />mll REVISED] <br />M INN @ S O TA APPROVED, <br />DEPARTVE"T 2 - 2 8 - 2 017 <br />TRA"SPORTATION STATE DESIGN ENGINEER <br />TEMPORARY SEDIMENT CONTROL <br />STANDARD PLAN 5-297.405 (SHEET 3 OF 7) <br />SHEET NO. 14 OF 25 <br />