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FIGURE 1 TYPICAL INSTALLATION FOR SILT FENCE <br />TABLE 1 MAXIMUM SLOPE LENGTH AND SLOPE FOR WHICH SILT FENCE IS APPLICABLE <br />WIRE MESH REINFORCEMENT, <br />BY CALCULATION <br />BY ACCEPTED <br />DESIGN PRACTICES <br />ATTACH FABRIC TO WIRE <br />PERCENT <br />SILT FENCE STORAGE <br />EQUALES 2 FT FOR A <br />100 -YEAR EVENT <br />SILT FENCE STORAGE EQUALS 2 FT <br />FOR A 2 -YEAR EVENT OR 3 FT FOR <br />A 100 -YEAR EVENT <br />MESH WITH HOG RINGS, PER <br />100:1 <br />METAL (OR WOOD) <br />400 FT <br />MNDOT SPEC. SECTION 3886 <br />100 FT <br />50:1 <br />2% <br />B1.SILT <br />450 FT <br />POST OR STAKE <br />25:1 <br />FENCE <br />100 FT <br />225 FT <br />75 FT <br />FABRIC <br />5% <br />80 FT <br />180 FT <br />FABRIC ANCHORAGE <br />DESIGN RECOMMENDATIONS <br />6% <br />67 FT <br />TRENCH BACKFILL <br />50 FT <br />12.5:1 <br />8% <br />WITH TAMPED 1. <br />SILT FENCES SHOULD BE INSTALLED ON <br />50 FT <br />10:1 <br />NATURAL SOIL <br />THE CONTOUR (AS OPPOSED TO UP AND <br />-- <br />50-25 FT <br />5:1 <br />DOWN A HILL) AND CONSTRUCTED SO <br />DIRECTION OF <br />45 FT <br />25-15 FT <br />THAT FLOW CANNOT BYPASS THE ENDS. <br />RUNOFF FLOW <br />16 FT <br />36 FT <br />15 FT <br />3:1 <br />33% <br />12 FT <br />27 FT <br />15 FT <br />2:1 <br />50% <br />8 FT <br />77 q 1= 2. <br />ENSURE THAT THE DRAINAGE AREA IS NO <br />11 —I I —111-111-11 <br />PLAN <br />VIEW <br />—11 <br />GREATER THAN 1/4 ACRE PER 100 FT OF FENCE. <br />�_MAKE <br />= <br />THE FENCE STABLE FOR THE <br />3. <br />10 -YEAR PEAK STORM RUNOFF. <br />— <br />MIN <br />WHERE ALL RUNOFF IS TO BE STORED <br />NATURAL SOIL _I <br />1= 4. <br />BEHIND THE SILT FENCE, ENSURE THAT <br />THE MAXIMUM SLOPE LENGTH BEHIND <br />NOTE: SILT FENCE SHALL FOLLOW <br />THE FENCE DOES NOT EXCEED THE <br />MNDOT SPEC. SECTION 3886. <br />SPECIFICATIONS SHOWN IN TABLE 1. <br />FIGURE 1 TYPICAL INSTALLATION FOR SILT FENCE <br />TABLE 1 MAXIMUM SLOPE LENGTH AND SLOPE FOR WHICH SILT FENCE IS APPLICABLE <br />HEAVY DUTY SILT FENCE <br />NO SCALE <br />EXTEND MATERIAL — <br />ABOUT 40" ON TOP OF <br />THE GROUND AND <br />RANDOMLY INSERT <br />STAPLES THROUGH <br />THE MATERIAL ABOUT <br />20" APART <br />STAPLES AT 3' O.C. <br />STAPLES MUST BE <br />INSERTED THROUGH <br />OVERLAP MATERIAL <br />TRANSVERSE SEAM <br />BLANKET MATERIAL MUST <br />OVERLAP AT LEAST 6" AND <br />STAPLES INSERTED <br />THROUGH BOTH FABRICS AT <br />A MAXIMUM SPACING OF 20" <br />APART <br />LONGITUDINAL SEAM / / / / / AT END OF SLOPE <br />BLANKET MATERIAL MUST / SECURE BLANKET <br />OVERLAP AT LEAST 6" AND MATERIAL BY INSERTING <br />STAPLES ABOUT 20" <br />STAPLES INSERTED <br />THROUGH BOTH FABRICS AT APART THROUGH THEFABRIC <br />A MAXIMUM SPACING OF 40" <br />APART <br />NOTES: <br />1.EROSION CONTROL BLANKET TO BE CATEGORY 4 -COCONUT 2S FOR SLOPES GREATER THAN <br />5:1 AND SIDES AND BOTTOM OF ALL DRAINAGE SWALES AND PONDING AREAS AND <br />CATEGORY 2 -STRAW 2S FOR ALL SLOPES LESS THAN 5:1 PER MNDOT SPEC. SECTION <br />3885. <br />2•INSTALL PER MNDOT SPEC. SECTION 2575 <br />EROSION CONTROL BLANKET <br />NOTES: <br />1) ALL TREE PROTECTION FENCING AND EROSION CONTROL FENCING SHALL BE INSTALLED <br />ACCORDING TO THE PLANS PRIOR TO ANY DEMOLITION. AFTER DEMOLITION OR AS NECESSARY, <br />TREE PROTECTION FENCING MAY BE RELOCATED WITH APPROVAL FROM THE LANDSCAPE <br />ARCHITECT. ALL TREE PROTECTION FENCING AND EROSION CONTROL DEVICES SHALL BE <br />MAINTAINED FOR THE DURATION OF THE CONSTRUCTION PERIOD. <br />"—" T kCTOR SHALL NOT STORE ANY MATERIALS OR PARK ANY VEHICLES IN TREE PROTECTION <br />:iE FENCE SHALL PREVENT TRAFFIC MOVEMENT AND THE PLACEMENT OF TEMPORARY <br />S, EQUIPMENT, STOCKPILES AND SUPPLIES FROM HARMING VEGETATION WITHIN THE <br />'PROTECTION. <br />iNTRACTOR SHALL CLEANLY CUT ALL ROOTS EXPOSED BY GRADING AS DIRECTED BY <br />>SCAPE ARCHITECT. <br />iNTRACTOR SHALL USE DESIGNATED CONSTRUCTION ENTRANCES AND STAGING AREAS. <br />— 6' MAX --4 <br />?LINE <br />TREE PROTECTION FENCING <br />DRIPLINE <br />6' <br />FROM oRIPL jNE <br />NO SCALE <br />N z <br />FLOTATION <br />SEGMENT <br />WATER <br />SURFACE <br />FILTER CLOTH <br />SKIRT (DEPTH <br />VARIES) <br />BALLAST <br />CHAIN <br />CHANNEL <br />BOTTOM <br />NO SCALE <br />2" WASHED COARSE <br />AGGREGATE 12" <br />THICK MINIMUM WITH C0 O C <br />GEOTEXTILE 0 000 o° <br />UNDERLAYMENT <br />GRAVEL CONSTRUCTION ENTRANCE <br />INSERT <br />kBSORBENT PILLOW SHALL <br />'LACED IN THE POUCH ON <br />BOTTOM. ATTACH PILLOW <br />'ETHER LOOP <br />DUMPING STRAPS <br />1. OIL ABSORBENT PILLOW SHALL BE REMOVED AND REPLACED WHEN NEAR <br />SATURATION. <br />2. USE DANDY® BAG II AS MANUFACTURED BY DANDY® PRODUCTS, INC. <br />3. AN EQUIVALENT CATCHBASIN EROSION CONTROL INSERT METHOD OR PRODUCT MAY <br />BE USED WITH PRIOR APPROVAL FROM ENGINEER. <br />CATCH BASIN INSERT <br />UNIVERSAL CONNECTOR <br />- TOP TENSION CABLE <br />FLOTATION SEGMENT <br />FFOLD JOINT FOR STORAGE <br />&-- TOP LOAD LINE <br />FILTER CLOTH SKIRT <br />(DEPTH VARIES) <br />BALLAST CHAIN <br />AND LOAD LINE <br />SKIRT CONNECT — <br />GROMMETS <br />FLOATING SILT CURTAIN <br />NO SCALE <br />NO SCALE <br />10' MIN LENGTH <br />BY CALCULATION <br />BY CALCULATION <br />BY ACCEPTED <br />DESIGN PRACTICES <br />SLOPE <br />H:V <br />PERCENT <br />SILT FENCE STORAGE <br />EQUALES 2 FT FOR A <br />100 -YEAR EVENT <br />SILT FENCE STORAGE EQUALS 2 FT <br />FOR A 2 -YEAR EVENT OR 3 FT FOR <br />A 100 -YEAR EVENT <br />MAXIMUM SLOPE <br />LENGTH <br />100:1 <br />1% <br />400 FT <br />900 FT <br />100 FT <br />50:1 <br />2% <br />200 FT <br />450 FT <br />75 FT <br />25:1 <br />4% <br />100 FT <br />225 FT <br />75 FT <br />20:1 <br />5% <br />80 FT <br />180 FT <br />75-50 FT <br />17:1 <br />6% <br />67 FT <br />150 FT <br />50 FT <br />12.5:1 <br />8% <br />50 FT <br />112 FT <br />50 FT <br />10:1 <br />10% <br />40 FT <br />90 FT <br />50-25 FT <br />5:1 <br />20% <br />20 FT <br />45 FT <br />25-15 FT <br />4:1 <br />25% <br />16 FT <br />36 FT <br />15 FT <br />3:1 <br />33% <br />12 FT <br />27 FT <br />15 FT <br />2:1 <br />50% <br />8 FT <br />18 FT <br />15 ITT <br />HEAVY DUTY SILT FENCE <br />NO SCALE <br />EXTEND MATERIAL — <br />ABOUT 40" ON TOP OF <br />THE GROUND AND <br />RANDOMLY INSERT <br />STAPLES THROUGH <br />THE MATERIAL ABOUT <br />20" APART <br />STAPLES AT 3' O.C. <br />STAPLES MUST BE <br />INSERTED THROUGH <br />OVERLAP MATERIAL <br />TRANSVERSE SEAM <br />BLANKET MATERIAL MUST <br />OVERLAP AT LEAST 6" AND <br />STAPLES INSERTED <br />THROUGH BOTH FABRICS AT <br />A MAXIMUM SPACING OF 20" <br />APART <br />LONGITUDINAL SEAM / / / / / AT END OF SLOPE <br />BLANKET MATERIAL MUST / SECURE BLANKET <br />OVERLAP AT LEAST 6" AND MATERIAL BY INSERTING <br />STAPLES ABOUT 20" <br />STAPLES INSERTED <br />THROUGH BOTH FABRICS AT APART THROUGH THEFABRIC <br />A MAXIMUM SPACING OF 40" <br />APART <br />NOTES: <br />1.EROSION CONTROL BLANKET TO BE CATEGORY 4 -COCONUT 2S FOR SLOPES GREATER THAN <br />5:1 AND SIDES AND BOTTOM OF ALL DRAINAGE SWALES AND PONDING AREAS AND <br />CATEGORY 2 -STRAW 2S FOR ALL SLOPES LESS THAN 5:1 PER MNDOT SPEC. SECTION <br />3885. <br />2•INSTALL PER MNDOT SPEC. SECTION 2575 <br />EROSION CONTROL BLANKET <br />NOTES: <br />1) ALL TREE PROTECTION FENCING AND EROSION CONTROL FENCING SHALL BE INSTALLED <br />ACCORDING TO THE PLANS PRIOR TO ANY DEMOLITION. AFTER DEMOLITION OR AS NECESSARY, <br />TREE PROTECTION FENCING MAY BE RELOCATED WITH APPROVAL FROM THE LANDSCAPE <br />ARCHITECT. ALL TREE PROTECTION FENCING AND EROSION CONTROL DEVICES SHALL BE <br />MAINTAINED FOR THE DURATION OF THE CONSTRUCTION PERIOD. <br />"—" T kCTOR SHALL NOT STORE ANY MATERIALS OR PARK ANY VEHICLES IN TREE PROTECTION <br />:iE FENCE SHALL PREVENT TRAFFIC MOVEMENT AND THE PLACEMENT OF TEMPORARY <br />S, EQUIPMENT, STOCKPILES AND SUPPLIES FROM HARMING VEGETATION WITHIN THE <br />'PROTECTION. <br />iNTRACTOR SHALL CLEANLY CUT ALL ROOTS EXPOSED BY GRADING AS DIRECTED BY <br />>SCAPE ARCHITECT. <br />iNTRACTOR SHALL USE DESIGNATED CONSTRUCTION ENTRANCES AND STAGING AREAS. <br />— 6' MAX --4 <br />?LINE <br />TREE PROTECTION FENCING <br />DRIPLINE <br />6' <br />FROM oRIPL jNE <br />NO SCALE <br />N z <br />FLOTATION <br />SEGMENT <br />WATER <br />SURFACE <br />FILTER CLOTH <br />SKIRT (DEPTH <br />VARIES) <br />BALLAST <br />CHAIN <br />CHANNEL <br />BOTTOM <br />NO SCALE <br />2" WASHED COARSE <br />AGGREGATE 12" <br />THICK MINIMUM WITH C0 O C <br />GEOTEXTILE 0 000 o° <br />UNDERLAYMENT <br />GRAVEL CONSTRUCTION ENTRANCE <br />INSERT <br />kBSORBENT PILLOW SHALL <br />'LACED IN THE POUCH ON <br />BOTTOM. ATTACH PILLOW <br />'ETHER LOOP <br />DUMPING STRAPS <br />1. OIL ABSORBENT PILLOW SHALL BE REMOVED AND REPLACED WHEN NEAR <br />SATURATION. <br />2. USE DANDY® BAG II AS MANUFACTURED BY DANDY® PRODUCTS, INC. <br />3. AN EQUIVALENT CATCHBASIN EROSION CONTROL INSERT METHOD OR PRODUCT MAY <br />BE USED WITH PRIOR APPROVAL FROM ENGINEER. <br />CATCH BASIN INSERT <br />UNIVERSAL CONNECTOR <br />- TOP TENSION CABLE <br />FLOTATION SEGMENT <br />FFOLD JOINT FOR STORAGE <br />&-- TOP LOAD LINE <br />FILTER CLOTH SKIRT <br />(DEPTH VARIES) <br />BALLAST CHAIN <br />AND LOAD LINE <br />SKIRT CONNECT — <br />GROMMETS <br />FLOATING SILT CURTAIN <br />NO SCALE <br />NO SCALE <br />10' MIN LENGTH <br />SHORELINE ANCHORING <br />INSTALL SHREDDED HARDWOOD <br />COIR LOG 6"-7" <br />MULCH (MNDOT TYPE 6). <br />MINIMUM <br />EQUIVALENT MATERIAL MAY BE <br />DIAMETER <br />SUBSTITUTED AT THE DISCRETION <br />OF THE ENGINEER. <br />STAKE DRIVEN <br />THROUGH LOG <br />1/3 OF LOG <br />MESH <br />2/3 OF LOG <br />SHORELINE ANCHORING <br />SHORE <br />ANCHOR <br />SHORELINE <br />DISTURBED <br />GROUND/WORK <br />ZONE <br />I <br />CLEAR <br />WATER <br />W <br />ITURBIDITY <br />CURTAIN <br />Q <br />0 <br />SHORE <br />CHANNEL <br />ANCHOR <br />ANCHOR <br />PLAN <br />VIEW <br />NO SCALE <br />COIR LOG <br />NO SCALE <br />2465 <br />Remodel <br />2465 North Shore Drive <br />Orono, MN <br />Stormwater <br />Pollution <br />Prevention <br />Details <br />