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PUBLIC ROAD PUBLIC ROAD <br />TRAFFIC FLOW <br />2 <br />SURFACE FLOW <br />RADIUS AS <br />REQUIRED <br />SLASH MULCH, <br />CRUSHED ROCK, <br />SHEET PAD, OR <br />OTHER PER <br />SPECIFICATION <br />3 <br />4 <br />5 7 <br />SLASH MULCH, CRUSHED ROCK, OR SHEET <br />PAD CONSTRUCTION EXIT <br />SEDIMENT <br />TRAP SURFACE FLOW <br />MIN. LENGTH = 1ENTRANCE WIDTH <br />AS REQUIRED 10 FT.MIN.MIN LENGTH = 610 FT.MIN.ENTRANCE WIDTH <br />AS REQUIRED <br />SEDIMENT <br />TRAP <br />3 <br />4 <br />2 <br />SLASH MULCH, <br />CRUSHED ROCK, <br />SHEET PAD, OR <br />OTHER PER <br />SPECIFICATION <br />RADIUS AS <br />REQUIRED <br />RUMBLE PAD <br />75 <br />TAPER EDGES <br />AT 1:1 <br />CORRUGATED STEEL PANELS <br />GEOTEXTILE FABRIC <br />CROSS SLOPE 3% OR FLATTER <br />6" MIN. DEPTH OF 1" TO <br />2" CRUSHED ROCK <br />OR SLASH MULCH <br />HIGH STRENGTH GEOTEXTILE FABRIC <br />(TWO LAYERS SEWN TOGETHER TO <br />FORM POCKETS) <br />MIN. 2" DIA. HIGH TENSIL <br />REINFORCED RIBS <br />RUMBLE PAD <br />CONSTRUCTION EXIT <br />RUMBLE PAD <br />SHEET PAD <br />SLASH MULCH OR CRUSHED ROCK <br />6" MIN. DEPTH OF 1" TO 2" <br />CRUSHED ROCK OR SLASH MULCH <br />GEOTEXTILE FABRIC <br />INPLACE <br />GROUND <br />TAPER EDGES <br />AT 1:1 <br />6" MIN. <br />MAINTENANCE OF CONSTRUCTION EXITS SHALL OCCUR WHEN THE EFFECTIVENESS OF SEDIMENT REMOVAL HAS <br />BEEN REDUCED. MAINTENANCE SHALL CONSIST OF REMOVING SEDIMENT AND CLEANING THE MATERIALS OR <br />PLACING ADDITIONAL MATERIAL (SLASH MULCH OR CRUSHED ROCK) OVER SEDIMENT FILLED MATERIAL TO <br />RESTORE EFFECTIVENESS. <br />MINIMUM LENGTH OF RUMBLE PAD SHALL BE 20 FEET, OR AS REQUIRED TO REMOVE SEDIMENT FROM TIRES. IF <br />SIGNIFICANT SEDIMENT IS TRACKED FROM THE SITE, THE RUMBLE PAD SHALL BE LENGTHENED OR THE DESIGN <br />MODIFIED TO PROVIDE ADDITIONAL VIBRATION. WASH-OFF LENGTH SHALL BE AS REQUIRED TO EFFECTIVELY REMOVE <br />CONSTRUCTION SEDIMENT FROM VEHICLE TIRES. <br />IF A TIRE WASH OFF IS REQUIRED THE CONSTRUCTION EXITS SHALL BE GRADED TO DRAIN THE WASH WATER <br />TO A SEDIMENT TRAP. <br />IF RUNOFF FROM CONSTRUCTION EXITS WILL DRAIN OFF OF PROJECT SITE, PROVIDE SEDIMENT TRAP WITH <br />STABILIZED OVERFLOW. <br />IF RUNOFF FROM DISTURBED AREAS FLOWS TOWARD CONSTRUCTION EXITS, PREVENT RUNOFF FROM DRAINING <br />DIRECTLY TO PUBLIC ROAD OVER CONSTRUCTION EXIT BY CROWNING THE EXIT OR SLOPING TO ONE SIDE. IF <br />SURFACE GRADING IS INSUFFICIENT, PROVIDE OTHER MEANS OF INTERCEPTING RUNOFF. <br />PROVIDE RADIUS OR WIDEN PAD SUFFICIENTLY TO PREVENT VEHICLE TIRES FROM TRACKING OFF OF PAD WHEN <br />LEAVING SITE. <br />MINIMUM LENGTH SHALL BE THE GREATER OF 50 FEET OR A LENGTH SUFFICIENT TO ALLOW A MINIMUM OF 5 TIRE <br />ROTATIONS ON THE PROVIDED PAD. MINIMUM LENGTH SHALL BE CALCULATED USING THE LARGEST TIRE WHICH <br />WILL BE USED IN TYPICAL OPERATIONS. <br />7 <br />6 <br />5 <br />4 <br />3 <br />2 <br />1 <br />SEE SPECS. 2573 & 3882. <br />NOTES: <br />STABILIZED CONSTRUCTION EXIT DETAILS <br />AA <br />PLAN <br />SECTION A-A <br />EXCAVATED WASHOUT STRUCTURE <br />PLAN SECTION B-B <br />BB <br />STAPLE DETAIL <br />WASHOUT STRUCTURE WITH STRAW BALES <br />NOTE: <br />CAN BE TWO STACKED BALES OR PARTIALLY EXCAVATED TO REACH 3 FT DEPTH <br />BB <br />PLAN <br />SECTION B-B <br />WASHOUT STRUCTURE WITH WOOD PLANKS <br />CONSTRUCTION SPECIFICATIONS <br />1.LOCATE WASHOUT STRUCTURE A MINIMUM OF 50 FEET AWAY FROM OPEN CHANNELS, STORM DRAIN INLETS, SENSITIVE AREAS, <br />WETLANDS, BUFFERS AND WATER COURSES AND AWAY FROM CONSTRUCTION TRAFFIC. <br />2.SIZE WASHOUT STRUCTURE FOR VOLUME NECESSARY TO CONTAIN WASH WATER AND SOLIDS AND MAINTAIN AT LEAST 4 INCHES <br />OF FREEBOARD. TYPICAL DIMENSIONS ARE 10 FEET X 10 FEET X 3 FEET DEEP. <br />3.PREPARE SOIL BASE FREE OF ROCKS OR OTHER DEBRIS THAT MAY CAUSE TEARS OR HOLES IN THE LINER. FOR LINER, USE 10 MIL <br />OR THICKER UV RESISTANT, IMPERMEABLE SHEETING, FREE OF HOLES AND TEARS OR OTHER DEFECTS THAT COMPROMISE <br />IMPERMEABILITY OF THE MATERIAL. <br />4.PROVIDE A SIGN FOR THE WASHOUT IN CLOSE PROXIMITY TO THE FACILITY. <br />5.KEEP CONCRETE WASHOUT STRUCTURE WATER TIGHT. REPLACE IMPERMEABLE LINER IF DAMAGED (E.G., RIPPED OR PUNCTURED). <br />EMPTY OR REPLACE WASHOUT STRUCTURE THAT IS 75 PERCENT FULL, AND DISPOSE OF ACCUMULATED MATERIAL PROPERLY. DO <br />NOT REUSE PLASTIC LINER. WET-VACUUM STORED LIQUIDS THAT HAVE NOT EVAPORATED AND DISPOSE OF IN AN APPROVED <br />MANNER. PRIOR TO FORECASTED RAINSTORMS, REMOVE LIQUIDS OR COVER STRUCTURE TO PREVENT OVERFLOWS. REMOVE <br />HARDENED SOLIDS, WHOLE OR BROKEN UP, FOR DISPOSAL OR RECYCLING. MAINTAIN RUNOFF DIVERSION AROUND EXCAVATED <br />WASHOUT STRUCTURE UNTIL STRUCTURE IS REMOVED. <br />WOOD FRAME IMPERMEABLE <br />SHEETING <br />IMPERMEABLE <br />SHEETING WOOD FRAME SECURELY <br />FASTENED AROUND <br />ENTIRE PERIMETER WITH <br />TWO STAKES <br />STAKE <br />(TYP.) <br />STAKE <br />(TYP.) <br />IMPERMEABLE <br />SHEETING <br />STRAW BALE <br />(TYP.) <br />STAPLES <br />(2 PER BALE) <br />BINDING WIRE <br />STRAW BALE <br />(TYP.) <br />IMPERMEABLE <br />SHEETING <br />1/8" DIA. <br />STEEL WIRE <br />WOOD OR <br />METAL STAKES <br />(2 PER BALE) <br />SANDBAG <br />IMPERMEABLE SHEETING <br />IMPERMEABLE <br />SHEETING <br />1:1 OR FLATTER <br />SIDE SLOPE <br />SANDBAG <br />OR EQUIVALENT <br />10' TYP. <br />10' TYP.3' TYP. <br />10' TYP. <br />2" <br />4" <br />3' TYP. <br />10' TYP. <br />10' TYP. <br />3' TYP. <br />10' TYP. <br />10' TYP. <br />CONCRETE WASHOUT DETAILS <br />DIRECTION OF RUNOFF FLOW <br />POST (METAL OR WOOD) <br />(2" x 2") <br />WIRE MESH (14-1/2 MIN. GA.)12" MIN.FILTER FABRIC (36" MAX. HT.) <br />NOTES: <br />1. TYPE OF FENCING TO BE USED SHALL COMPLY WITH MNDOT 3886.1 <br />UNLESS INDICATED OTHERWISE ON PLANS. <br />2. DIG A 6" x 6" TRENCH ALONG THE INTENDED FENCE LINE. <br />3. DRIVE ALL POSTS INTO THE GROUND AT THE DOWNHILL SIDE OF TRENCH. <br />4. WIRE FENCING PER MNDOT SPEC. 3886. WIRE MESH MUST BE A MINIMUM OF 2" <br />INTO THE GROUND AND NO MORE THAN 36" ABOVE THE ORIGINAL GROUND SURFACE. <br />5. FILTER FABRIC PER MNDOT SPEC. 3886. FABRIC APPARENT OPENING SIZE (AOS) <br />SHALL BE 30 TO 80 IN AREAS OF COARSE GRAINED SOILS, AND 50 TO 80 IN AREAS <br />OF FINE GRAINED SOILS. <br />6. LAY OUT SILT FENCE ON THE UPHILL SIDE ALONG THE FENCE LINE, AND BACK FILL. <br />7. WOOD POSTS MAY BE SPACED UP TO 4 FEET APART IF WIRE MESH IS NOT <br />USED TO SUPPORT THE FABRIC. IF WIRE MESH IS USED TO SUPPORT THE FABRIC <br />STEEL POSTS MAY BE SPACED UP TO 8 FEET APART. <br />SILT FENCE DETAIL <br />DESIGN/BUILD | CONSTRUCTION MANAGEMENT | GENERAL CONTRACTING <br />6121 BAKER ROAD, SUITE 101 <br />MINNETONKA, MINNESOTA 55345 <br />PHONE: 651-379-9090 FAX: 651-379-9091 <br />ISSUES / REVISIONS:LAKE ELMO MEDICAL CENTER ADDITIONPROPOSED ADDITION:8650 HUDSON BLVD, LAKE ELMO, MINNESOTATHIS DRAWING AND THE INFORMATION THEREIN IS <br />THE PROPERTY OF DESIGN TREE ENGINEERING INC. <br />USE BY THE HOLDER OR DISCLOSURE TO OTHERS <br />WITHOUT THE PERMISSION OF DESIGN TREE <br />ENGINEERING INC. IS PROHIBITED. IT CONTAINS <br />PROPRIETARY AND CONFIDENTIAL INFORMATION OF <br />DESIGN TREE ENGINEERING INC. REPRODUCTION <br />OF THE MATERIAL HEREIN WITHOUT WRITTEN <br />ERMISSION OF DESIGN TREE ENGINEERING INC. <br />VIOLATES THE COPYRIGHT LAWS OF THE UNITED <br />STATES AND WILL SUBJECT THE VIOLATORS TO <br />LEGAL PROSECUTION. <br />COPYRIGHT @ 2026 BY DESIGN TREE ENGINEERING <br />I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, <br />OR REPORT WAS PREPARED BY ME OR UNDER MY <br />DIRECT SUPERVISION AND THAT I AM A DULY <br />LICENSED PROFESSIONAL ENGINEER UNDER THE <br />LAWS OF THE STATE OF MINNESOTA. <br />DATE:LICENSE #: <br />PRINTED NAME:GRIFFIN K. DEMPSEY <br />6163304-15-26 <br />C603 <br />CIVIL DETAILS