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Home My WebLink About2017 SWPPP 4 of 4FIGURE 1 TYPICAL INSTALLATION FOR SILT FENCE TABLE 1 MAXIMUM SLOPE LENGTH AND SLOPE FOR WHICH SILT FENCE IS APPLICABLE WIRE MESH REINFORCEMENT, BY CALCULATION BY ACCEPTED DESIGN PRACTICES ATTACH FABRIC TO WIRE PERCENT SILT FENCE STORAGE EQUALES 2 FT FOR A 100 -YEAR EVENT SILT FENCE STORAGE EQUALS 2 FT FOR A 2 -YEAR EVENT OR 3 FT FOR A 100 -YEAR EVENT MESH WITH HOG RINGS, PER 100:1 METAL (OR WOOD) 400 FT MNDOT SPEC. SECTION 3886 100 FT 50:1 2% B1.SILT 450 FT POST OR STAKE 25:1 FENCE 100 FT 225 FT 75 FT FABRIC 5% 80 FT 180 FT FABRIC ANCHORAGE DESIGN RECOMMENDATIONS 6% 67 FT TRENCH BACKFILL 50 FT 12.5:1 8% WITH TAMPED 1. SILT FENCES SHOULD BE INSTALLED ON 50 FT 10:1 NATURAL SOIL THE CONTOUR (AS OPPOSED TO UP AND -- 50-25 FT 5:1 DOWN A HILL) AND CONSTRUCTED SO DIRECTION OF 45 FT 25-15 FT THAT FLOW CANNOT BYPASS THE ENDS. RUNOFF FLOW 16 FT 36 FT 15 FT 3:1 33% 12 FT 27 FT 15 FT 2:1 50% 8 FT 77 q 1= 2. ENSURE THAT THE DRAINAGE AREA IS NO 11 —I I —111-111-11 PLAN VIEW —11 GREATER THAN 1/4 ACRE PER 100 FT OF FENCE. �_MAKE = THE FENCE STABLE FOR THE 3. 10 -YEAR PEAK STORM RUNOFF. — MIN WHERE ALL RUNOFF IS TO BE STORED NATURAL SOIL _I 1= 4. BEHIND THE SILT FENCE, ENSURE THAT THE MAXIMUM SLOPE LENGTH BEHIND NOTE: SILT FENCE SHALL FOLLOW THE FENCE DOES NOT EXCEED THE MNDOT SPEC. SECTION 3886. SPECIFICATIONS SHOWN IN TABLE 1. FIGURE 1 TYPICAL INSTALLATION FOR SILT FENCE TABLE 1 MAXIMUM SLOPE LENGTH AND SLOPE FOR WHICH SILT FENCE IS APPLICABLE HEAVY DUTY SILT FENCE NO SCALE EXTEND MATERIAL — ABOUT 40" ON TOP OF THE GROUND AND RANDOMLY INSERT STAPLES THROUGH THE MATERIAL ABOUT 20" APART STAPLES AT 3' O.C. STAPLES MUST BE INSERTED THROUGH OVERLAP MATERIAL TRANSVERSE SEAM BLANKET MATERIAL MUST OVERLAP AT LEAST 6" AND STAPLES INSERTED THROUGH BOTH FABRICS AT A MAXIMUM SPACING OF 20" APART LONGITUDINAL SEAM / / / / / AT END OF SLOPE BLANKET MATERIAL MUST / SECURE BLANKET OVERLAP AT LEAST 6" AND MATERIAL BY INSERTING STAPLES ABOUT 20" STAPLES INSERTED THROUGH BOTH FABRICS AT APART THROUGH THEFABRIC A MAXIMUM SPACING OF 40" APART NOTES: 1.EROSION CONTROL BLANKET TO BE CATEGORY 4 -COCONUT 2S FOR SLOPES GREATER THAN 5:1 AND SIDES AND BOTTOM OF ALL DRAINAGE SWALES AND PONDING AREAS AND CATEGORY 2 -STRAW 2S FOR ALL SLOPES LESS THAN 5:1 PER MNDOT SPEC. SECTION 3885. 2•INSTALL PER MNDOT SPEC. SECTION 2575 EROSION CONTROL BLANKET NOTES: 1) ALL TREE PROTECTION FENCING AND EROSION CONTROL FENCING SHALL BE INSTALLED ACCORDING TO THE PLANS PRIOR TO ANY DEMOLITION. AFTER DEMOLITION OR AS NECESSARY, TREE PROTECTION FENCING MAY BE RELOCATED WITH APPROVAL FROM THE LANDSCAPE ARCHITECT. ALL TREE PROTECTION FENCING AND EROSION CONTROL DEVICES SHALL BE MAINTAINED FOR THE DURATION OF THE CONSTRUCTION PERIOD. "—" T kCTOR SHALL NOT STORE ANY MATERIALS OR PARK ANY VEHICLES IN TREE PROTECTION :iE FENCE SHALL PREVENT TRAFFIC MOVEMENT AND THE PLACEMENT OF TEMPORARY S, EQUIPMENT, STOCKPILES AND SUPPLIES FROM HARMING VEGETATION WITHIN THE 'PROTECTION. iNTRACTOR SHALL CLEANLY CUT ALL ROOTS EXPOSED BY GRADING AS DIRECTED BY >SCAPE ARCHITECT. iNTRACTOR SHALL USE DESIGNATED CONSTRUCTION ENTRANCES AND STAGING AREAS. — 6' MAX --4 ?LINE TREE PROTECTION FENCING DRIPLINE 6' FROM oRIPL jNE NO SCALE N z FLOTATION SEGMENT WATER SURFACE FILTER CLOTH SKIRT (DEPTH VARIES) BALLAST CHAIN CHANNEL BOTTOM NO SCALE 2" WASHED COARSE AGGREGATE 12" THICK MINIMUM WITH C0 O C GEOTEXTILE 0 000 o° UNDERLAYMENT GRAVEL CONSTRUCTION ENTRANCE INSERT kBSORBENT PILLOW SHALL 'LACED IN THE POUCH ON BOTTOM. ATTACH PILLOW 'ETHER LOOP DUMPING STRAPS 1. OIL ABSORBENT PILLOW SHALL BE REMOVED AND REPLACED WHEN NEAR SATURATION. 2. USE DANDY® BAG II AS MANUFACTURED BY DANDY® PRODUCTS, INC. 3. AN EQUIVALENT CATCHBASIN EROSION CONTROL INSERT METHOD OR PRODUCT MAY BE USED WITH PRIOR APPROVAL FROM ENGINEER. CATCH BASIN INSERT UNIVERSAL CONNECTOR - TOP TENSION CABLE FLOTATION SEGMENT FFOLD JOINT FOR STORAGE &-- TOP LOAD LINE FILTER CLOTH SKIRT (DEPTH VARIES) BALLAST CHAIN AND LOAD LINE SKIRT CONNECT — GROMMETS FLOATING SILT CURTAIN NO SCALE NO SCALE 10' MIN LENGTH BY CALCULATION BY CALCULATION BY ACCEPTED DESIGN PRACTICES SLOPE H:V PERCENT SILT FENCE STORAGE EQUALES 2 FT FOR A 100 -YEAR EVENT SILT FENCE STORAGE EQUALS 2 FT FOR A 2 -YEAR EVENT OR 3 FT FOR A 100 -YEAR EVENT MAXIMUM SLOPE LENGTH 100:1 1% 400 FT 900 FT 100 FT 50:1 2% 200 FT 450 FT 75 FT 25:1 4% 100 FT 225 FT 75 FT 20:1 5% 80 FT 180 FT 75-50 FT 17:1 6% 67 FT 150 FT 50 FT 12.5:1 8% 50 FT 112 FT 50 FT 10:1 10% 40 FT 90 FT 50-25 FT 5:1 20% 20 FT 45 FT 25-15 FT 4:1 25% 16 FT 36 FT 15 FT 3:1 33% 12 FT 27 FT 15 FT 2:1 50% 8 FT 18 FT 15 ITT HEAVY DUTY SILT FENCE NO SCALE EXTEND MATERIAL — ABOUT 40" ON TOP OF THE GROUND AND RANDOMLY INSERT STAPLES THROUGH THE MATERIAL ABOUT 20" APART STAPLES AT 3' O.C. STAPLES MUST BE INSERTED THROUGH OVERLAP MATERIAL TRANSVERSE SEAM BLANKET MATERIAL MUST OVERLAP AT LEAST 6" AND STAPLES INSERTED THROUGH BOTH FABRICS AT A MAXIMUM SPACING OF 20" APART LONGITUDINAL SEAM / / / / / AT END OF SLOPE BLANKET MATERIAL MUST / SECURE BLANKET OVERLAP AT LEAST 6" AND MATERIAL BY INSERTING STAPLES ABOUT 20" STAPLES INSERTED THROUGH BOTH FABRICS AT APART THROUGH THEFABRIC A MAXIMUM SPACING OF 40" APART NOTES: 1.EROSION CONTROL BLANKET TO BE CATEGORY 4 -COCONUT 2S FOR SLOPES GREATER THAN 5:1 AND SIDES AND BOTTOM OF ALL DRAINAGE SWALES AND PONDING AREAS AND CATEGORY 2 -STRAW 2S FOR ALL SLOPES LESS THAN 5:1 PER MNDOT SPEC. SECTION 3885. 2•INSTALL PER MNDOT SPEC. SECTION 2575 EROSION CONTROL BLANKET NOTES: 1) ALL TREE PROTECTION FENCING AND EROSION CONTROL FENCING SHALL BE INSTALLED ACCORDING TO THE PLANS PRIOR TO ANY DEMOLITION. AFTER DEMOLITION OR AS NECESSARY, TREE PROTECTION FENCING MAY BE RELOCATED WITH APPROVAL FROM THE LANDSCAPE ARCHITECT. ALL TREE PROTECTION FENCING AND EROSION CONTROL DEVICES SHALL BE MAINTAINED FOR THE DURATION OF THE CONSTRUCTION PERIOD. "—" T kCTOR SHALL NOT STORE ANY MATERIALS OR PARK ANY VEHICLES IN TREE PROTECTION :iE FENCE SHALL PREVENT TRAFFIC MOVEMENT AND THE PLACEMENT OF TEMPORARY S, EQUIPMENT, STOCKPILES AND SUPPLIES FROM HARMING VEGETATION WITHIN THE 'PROTECTION. iNTRACTOR SHALL CLEANLY CUT ALL ROOTS EXPOSED BY GRADING AS DIRECTED BY >SCAPE ARCHITECT. iNTRACTOR SHALL USE DESIGNATED CONSTRUCTION ENTRANCES AND STAGING AREAS. — 6' MAX --4 ?LINE TREE PROTECTION FENCING DRIPLINE 6' FROM oRIPL jNE NO SCALE N z FLOTATION SEGMENT WATER SURFACE FILTER CLOTH SKIRT (DEPTH VARIES) BALLAST CHAIN CHANNEL BOTTOM NO SCALE 2" WASHED COARSE AGGREGATE 12" THICK MINIMUM WITH C0 O C GEOTEXTILE 0 000 o° UNDERLAYMENT GRAVEL CONSTRUCTION ENTRANCE INSERT kBSORBENT PILLOW SHALL 'LACED IN THE POUCH ON BOTTOM. ATTACH PILLOW 'ETHER LOOP DUMPING STRAPS 1. OIL ABSORBENT PILLOW SHALL BE REMOVED AND REPLACED WHEN NEAR SATURATION. 2. USE DANDY® BAG II AS MANUFACTURED BY DANDY® PRODUCTS, INC. 3. AN EQUIVALENT CATCHBASIN EROSION CONTROL INSERT METHOD OR PRODUCT MAY BE USED WITH PRIOR APPROVAL FROM ENGINEER. CATCH BASIN INSERT UNIVERSAL CONNECTOR - TOP TENSION CABLE FLOTATION SEGMENT FFOLD JOINT FOR STORAGE &-- TOP LOAD LINE FILTER CLOTH SKIRT (DEPTH VARIES) BALLAST CHAIN AND LOAD LINE SKIRT CONNECT — GROMMETS FLOATING SILT CURTAIN NO SCALE NO SCALE 10' MIN LENGTH SHORELINE ANCHORING INSTALL SHREDDED HARDWOOD COIR LOG 6"-7" MULCH (MNDOT TYPE 6). MINIMUM EQUIVALENT MATERIAL MAY BE DIAMETER SUBSTITUTED AT THE DISCRETION OF THE ENGINEER. STAKE DRIVEN THROUGH LOG 1/3 OF LOG MESH 2/3 OF LOG SHORELINE ANCHORING SHORE ANCHOR SHORELINE DISTURBED GROUND/WORK ZONE I CLEAR WATER W ITURBIDITY CURTAIN Q 0 SHORE CHANNEL ANCHOR ANCHOR PLAN VIEW NO SCALE COIR LOG NO SCALE 2465 Remodel 2465 North Shore Drive Orono, MN Stormwater Pollution Prevention Details