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SILT FENCES TO BE CONSTRUCTED <br />ON DOWNHILL SIDE OF ALL <br />MANHOLES <br />MIN 6"MIN6" <br />RUNOFF FLOW <br />DIRECTION OF <br />POSTEMBEDMENT1.5' MIN24" MINGEOTEXTILE FABRIC <br />5' TEE POST AT 5' - 4' MAX <br />SPACING <br />FABRIC ANCHORAGE TRENCH <br />BACKFILL WITH TAMPED NATURAL <br />SOIL <br />SILT FENCE <br />NTS EC100 <br />SAND BAGS/ROCK LOG <br />A <br />A <br />SAND BAGS/ROCK LOG <br />STORM CULVERT PIPE <br />(SEE PLAN) <br />STORM CULVERT PIPE <br />(SEE PLAN) <br />FLOW <br />SAND BAGS <br />PLAN <br />FLOW <br />6" MIN <br />SECTION A-A <br />SECTION B-B <br />STORM CULVERT PIPE <br />(SEE PLAN) <br />B <br />B <br />SEDIMENT CONTROL LOG, <br />STAKED EVERY 2' MIN <br />(SEE DETAIL) <br />SEDIMENT CONTROL LOG, <br />STAKED EVERY 2' MIN <br />(SEE DETAIL) <br />CULVERT PIPE <br />DITCH CHECK <br />NTS EC345 <br />4 <br />1 <br />1 <br />4 <br />A <br />B <br />L <br />A <br />B2'E2' <br />11 <br />3 <br />4 <br />DIMENSIONS <br />PIPE Ø <br />(INCHES) <br />L <br />(FEET) <br />PIPE Ø <br />(INCHES) <br />L <br />(FEET) <br />12 8 27 12 <br />15 8 30 14 <br />18 10 36 16 <br />21 10 42 18 <br />24 12 48 20 <br />NOTES: <br />REQUIREMENTS FOR GEOTEXTILE TYPE, RIPRAP SIZE AND THICKNESS WILL BE DESIGNATED IN THE <br />PLANS. <br />PIPE SIZES LARGER THAN THOSE SHOWN REQUIRE A SPECIAL DESIGN <br />FOR PIPES GREATER THAN OR EQUAL TO 30", USE 1.5' <br />GEOTEXTILE FILTER, MnDOT SPEC. 3733, SHALL COVER THE BOTTOM AND SIDES OF THE AREA <br />EXCAVATED FOR THE RIPRAP, GRANULAR FILTER MATERIALS <br />DIMENSION "E" IS GIVEN ON MnDOT STANDARD PLATES 3100 AND 3110. <br />GRANULAR FILTER, MnDOT SPEC. 3601, MAY BE USED AS A CUSHIONLAYER. PLACE FILTER PER SPEC. <br />2511. THE CUSHION LAYER IS INCIDENTAL <br />GRANULAR FILTER OR RIPRAP, SPEC. 3601, TO EXTEND UNDER THE ENTIRE OPEN PORTION OF PIPE <br />APRON. DEPTH OF MATERIAL UNDER APRON SHALL MATCH RIPRAP DEPTH. WHEN USING RIPRAP, <br />INCREASE RIPRAP QUANTITY ACCORDINGLY AND PLACE A 3" LAYER OF 1.5" CRUSHED ROCK UNDER THE <br />APRON TO AID IN GRADING FOR APRON PLACEMENT. CRUSHED ROCK IS INCIDENTAL. <br />1 <br />2 <br />3 <br />4 <br />52'2'2'1'1'GEOTEXTILE <br />FILTER <br />2SECTION A-A SECTION B-B <br />GRANULAR CUSHION <br />RIPRAP <br />GRANULAR FILTER <br />5 <br />RIPRAP AT RCP OUTLET <br />NTS EC400 <br />2'1' MIN3' DEEP10'NATIVE <br />MATERIAL <br />5'x10'x3' CONCRETE <br />WASHOUT AREA <br />1' DEEP IMPERVIOUS <br />CLAY LINER <br />MINIMUM 10-MIL THICK PLASTIC <br />SHEETING OR APPROVED <br />EQUAL <br />NOTES: <br />CONTRACTOR SHALL INSTALL A SIGN INDICATING THE CONCRETE WASHOUT AREA. <br />CONTRACTOR SHALL MAINTAIN WASHOUT AREA TO REMOVE MATERIALS BEYOND 75% CAPACITY. <br />WASHOUT AREA SHALL NOT BE PLACED WITHIN 50' OF STORM DRAINS, OPEN DITCHES OR BODIES OF WATER. <br />CONTRACTOR SHALL INSPECT WASHOUT AREA AS NECESSARY TO PREVENT LEAKS AND OVER TOPPING. <br />WASHOUT AREA SHALL BE REMOVED AFTER CONSTRUCTION IS COMPLETE. <br />CONCRETE WASHOUT <br />NTS EC500 ENTRANCE WIDTH AS REQUIRED50' MINIMUMINPLACE SURFACE6" MINIMUM DEPTH OF 1" <br />TO 2" CRUSHED ROCK OR <br />SLASH MULCH <br />LOOSEN AS NEEDED SO THAT ENTRANCE <br />IS NOT COMPACTED, REPLACE/CLEAN <br />AGGREGATE ONCE DIRTY <br />MnDOT STANDARD <br />SPECIFICATION 3733 TYPE V <br />PERMEABLE GEOTEXTILE <br />FABRIC BENEATH ROCK OR <br />SLASH MULCH <br />18" HIGH (MIN) CUT OFF BERM TO MINIMIZE <br />RUNOFF FROM LEAVING SITE EXTEND SILT <br />FENCE FROM EITHER SIDE OF BERM AS NEEDED <br />STABILIZED CONSTRUCTION EXIT <br />NTS EC600 <br />STAPLE DETAIL <br />TERMINAL ENDBLANKET SIDE EDGE <br />BLANKET ROLL END OVERLAP <br />BLANKET SIDE OVERLAP <br />ANCHOR TRENCH <br />STAPLES <br />STAPLE <br />EVERY 12" <br />FLOW <br />DIRECTION <br />12" STAGGERED <br />1" MIN <br />6" TO 12"CENTER OF <br />WATERWAY <br />STAPLE <br />6" MIN <br />STAPLE <br />FLOW <br />DIRECTION <br />6" MIN <br />4" STAGGERED1 ROW OF <br />STAPLES <br />12" O.C.6"TAMP SOIL FIRMLY <br />6" <br />2 ROWS <br />OF STAPLES <br />12" O.C. <br />STAGGERED <br />2 ROWS OF STAPLES, <br />STAGGERED 12" O.C. <br />ALONG ROW <br />SEAM <br />SEAM <br />ROW OFSTAPLESCOLUM <br />N <br /> <br />O <br />F <br />STAPL <br />E <br />S <br />4 <br />1 <br />4 <br />5 <br />3 <br />2 <br />2 NOTES: <br />INSTALL EROSION CONTROL BLANKET (ECB) OVER WATERWAYS AS SHOWN IN THE STORM <br />WATER POLLUTION PREVENTION PLAN. <br />THE ECB SHALL CONFORM TO MnDOT STANDARD SPECIFICATIONS SECTION 3885. <br />PREPARE SOIL PRIOR TO INSTALLING ECB, INCLUDING SEEDING AND FERTILIZING. <br />THE ECB SHALL BE PLACED IN FIRM CONTACT WITH THE SOIL AND NOT BE ALLOWED TO <br />BRIDGE OVER SURFACE IRREGULARITIES. THE MAT SHALL NOT BE STRETCHED. <br />START LAYING THE MATS BY ROLLING CENTER MAT IN THE DIRECTION OF FLOW, CENTERED <br />ON THE CENTERLINE OF WATERWAY. THERE SHALL NOT BE AN OVERLAP OF MATS AT THE <br />CENTER OF THE WATERWAY. <br />THE ECB SHALL BE ANCHORED, OVERLAPPED, AND STAPLED ACCORDING TO <br />MANUFACTURER'S INSTRUCTIONS. IF NO MANUFACTURER'S INSTRUCTIONS ARE AVAILABLE, <br />INSTALL THE MAT AS FOLLOWS. <br />STAPLES SHALL BE "U" SHAPED, 0.12" DIAMETER WIRE OR GREATER (#11 GAUGE). (SEE <br />STAPLE DETAIL FOR DIMENSIONS) <br />BURY UPSTREAM END OF MAT IN A TRENCH 6" WIDE BY 6" DEEP AND STAPLED IN <br />STAGGERED ROWS ACROSS THE WIDTH AS SHOWN IN DETAIL 1. <br />C. FOR JOINING ENDS OF ROLLS, OVERLAP END OF UP SLOPE MAT A MINIMUM OF 6" <br />OVER DOWN SLOPE MAT (SHINGLE STYLE). USE A DOUBLE ROW OF STAGGERED <br />STAPLES 4" APART, AS SHOWN IN DETAIL 2. <br />D. MATS ON SIDE SLOPES SHALL OVERLAP A MINIMUM OF 6" OVER THE MAT BELOW <br />(SHINGLE STYLE). STAPLE OVERLAP AT 12" INTERVALS. (SEE DETAIL 3) <br />E. THE OUTER EDGE ALONG SIDES OF THE MAT SHALL BE STAPLED EVERY 12". (SEE <br />DETAIL 4) <br />F. STAPLES ARE TO BE PLACED ALTERNATELY IN COLUMNS (IN THE DIRECTION OF THE <br />WATERWAY) 2' APART AND IN ROWS (ACROSS THE WATERWAY) 3' APART THROUGHOUT <br />THE AREA COVERED BY THE ECB. <br />G. DOWNSTREAM (TERMINAL) END OF BLANKET SHALL BE STAPLED WITH A DOUBLE <br />ROW OF STAGGERED STAPLES 12" APART. (SEE DETAIL 5) <br />1 <br />2 <br />3 <br />4 <br />5 <br />CENTER OF <br />WATERWAY <br />3 4 5 <br />21 <br />EROSION CONTROL BLANKET INSTALLATION <br />NTS EC700 <br />LIC. NO.DATE <br />PROFESSIONAL ENGINEER UNDER THE LAWS OF THE <br />STATE OF MINNESOTA. <br />I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION OR <br />REPORT WAS PREPARED BY ME OR UNDER MY DIRECT <br />SUPERVISION AND THAT I AM A DULY LICENSED <br />PRELIMINARY NOT FOR CONSTRUCTION PRELIMINARY NOT FOR CONSTRUCTIONxxxx-xx-xx xxxxx <br />NOTE: <br />THE CLARITY OF THESE PLANS DEPEND <br />UPON COLOR COPIES. IF THIS TEXT DOES <br />NOT APPEAR IN COLOR, THIS IS NOT AN <br />ORIGINAL PLAN SET AND MAY RESULT IN <br />MISINTERPRETATION. <br />BRADFORD PARK <br />DEVELOPMENT SOUTH <br />LENNAR HOMES <br />26553 - 4.1 SWPPP (PPLAT-SE) <br />DATE <br />REVISION SCHEDULE <br />DESCRIPTION BY <br />SHEET <br />TITLE <br />PROJECT <br />WITHOUT PRIOR WRITTEN CONSENT. <br />INC. AND MAY NOT BE USED, COPIED OR DUPLICATED <br />THIS DOCUMENT IS THE PROPERTY OF I & S GROUP, <br />PROJECT NO. <br />FILE NAME <br />DESIGNED BY <br />ORIGINAL ISSUE DATE <br />DRAWN BY <br />CLIENT PROJECT NO. <br />REVIEWED BY <br />FILE LOCATION: S:\PROJECTS\26000 PROJ\26500-26599\26553 FOSTER PROPERTY-ELK RIVER MN\26553 CIVIL-SURVEY\CIVIL PRODUCTION DRAWINGS\PRELIM PLAT - SE\26553 - 4.1 SWPPP (PPLAT-SE).DWG 35OF <br />10 <br />- <br />2024/06/24 <br />22-26553 <br />10 SWPPP DETAILS <br /> ---- ---- 10 <br />ELK RIVER MINNESOTA <br />SWPPP DETAILS <br />TTK <br />TTK <br />TJW, JDF <br />Page 26 of 72