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Site Plan Approve <br />FASTER GEOTEXTILE <br />FABRIC TO POST <br />WITH PLASTIC ZIP <br />TIES (3 MINIMUM) <br />DIRECTION OF <br />RUNOFF FLOW <br />III III III <br />0 <br />1 <br />C <br />C <br />STEEL STUDDED 'T' POST 5' <br />MINIMUM LENGTH POSTS <br />AT 6' MAXIMUM SPACING <br />GEOTEXTILE FABRIC, <br />36" WIDE, SEE NOTE 1 <br />FABRIC ANCHORAGE <br />TRENCH BACKFILL WITH <br />TAMPED NATURAL SOIL <br />Z <br />11 <br />MIN <br />NATURAL SOIL <br />EXTEND FABRIC <br />INTO TRENCH <br />NOTES: <br />1. GEOTEXTILE FABRIC SHALL BE PER MNDOT SPEC 3886. <br />2. SILT FENCES SHOULD BE INSTALLED ON THE CONTOUR <br />(AS OPPOSED TO UP AND DOWN A HILL) AND <br />CONSTRUCTED SO THAT FLOW CANNOT BYPASS THE ENDS. <br />3. ENSURE DRAINAGE AREA IS NO GREATER THAN 1/4 ACRE <br />PER 100 FT OF FENCE. <br />4. FIELD VERIFY THE MAXIMUM SLOPE LENGTH IN THE <br />TABLE. THIS LENGTH EQUATES TO A 2 FOOT STORAGE <br />HEIGHT FOR THE 100-YEAR EVENT. <br />5. SILT FENCE INSTALLATION TO CONFORM TO MNDOT SPEC <br />2573.3 <br />HEAVY DUTY SILT FENCE <br />BY ACCEPTED <br />DESIGN PRACTICES <br />SLOPE <br />H : V <br />PERCENT <br />MAXIMUM SLOPE <br />LENGTH <br />100:1 <br />1% <br />100 FT <br />50:1 <br />2% <br />75 FT <br />25:1 <br />4% <br />75 FT <br />20:1 <br />5% <br />75-50 FT <br />17:1 <br />6% <br />50FT <br />12.5:1 <br />8% <br />50 FT <br />10:1 <br />10% <br />50-25 FT <br />5:1 <br />20% <br />25-15 FT <br />4:1 <br />25% <br />15 FT <br />3:1 <br />33% <br />15 FT <br />2:1 <br />50% <br />15 FT <br />C300 <br />6' MAX <br />NO SCALE <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 />2) CONTRACTOR SHALL NOT STORE ANY MATERIALS OR PARK ANY VEHICLES IN TREE PROTECTION <br />ZONES. THE FENCE SHALL PREVENT TRAFFIC MOVEMENT AND THE PLACEMENT OF TEMPORARY <br />FACILITIES, EQUIPMENT, STOCKPILES AND SUPPLIES FROM HARMING VEGETATION WITHIN THE <br />LIMITS OF PROTECTION. <br />3) THE CONTRACTOR SHALL CLEANLY CUT ALL ROOTS EXPOSED BY GRADING AS DIRECTED BY <br />THE LANDSCAPE ARCHITECT. <br />4) THE CONTRACTOR SHALL USE DESIGNATED CONSTRUCTION ENTRANCES AND STAGING AREAS. <br />0 <br />• <br />-o <br />n• <br />DRIPLINE <br />6' <br />ROM DRIPLINE <br />EXTEND MATERI <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 <br />BLANKET MATERIAL MUST <br />OVERLAP AT LEAST 6" AND <br />STAPLES INSERTED <br />THROUGH BOTH FABRICS AT <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 />0 <br />EROSION CONTROL BLANKET <br />GRATE <br />LIFT STRAPS <br />DUMPING STRAPS <br />2. USE DANDY® BAG II AS MANUFACTURED BY <br />DANDY® PRODUCTS, INC. <br />3. AN EQUIVALENT CATCHBASIN EROSION <br />CONTROL INSERT METHOD OR PRODUCT MAY BE <br />USED WITH PRIOR APPROVAL FROM ENGINEER. <br />AT END OF SLOPE <br />SECURE BLANKET <br />MATERIAL BY INSERTING <br />STAPLES ABOUT 20" <br />APART THROUGH THE <br />FABRIC <br />NO SCALE <br />O5 <br />2" WASHED COARSE <br />AGGREGATE 12" <br />THICK MINIMUM WITH <br />GEOTEXTILE <br />UNDERLAYMENT <br />GRAVEL CONSTRUCTION ENTRANCE <br />1"X2"X24" WOOD STAKES AT 3' MAX SPACING. <br />STAKES SHALL BE DRIVEN OVER LOG AT A 45° <br />ANGLE WITH TOP OF STAKE POINTING <br />UPSTREAM. PROVIDE 8"-10" OF STAKE <br />EMBEDMENT. <br />NO SCALE <br />8"-12" DIA LOG WITH ENDS LAPPED 6". FOR <br />INSTALLATION ON BARE SOIL PLACE LOG IN <br />A SMOOTH, ROUNDED TRENCH WITH A <br />DEPTH EQUAL TO 1 THE LOG DIA. <br />FLOW <br />FIELD INSTALLATION USING MULCH OR COMPOST <br />1"X2"X24" WOOD STAKES AT 3' MAX SPACING. <br />STAKES SHALL BE DRIVEN TROUGH BACK <br />HALF OF LOG AT A 45° ANGLE WITH TOP OF <br />STAKE POINTING UPSTREAM. PROVIDE 8"-10" <br />OF STAKE EMBEDMENT. <br />4 <br />8"-12" DIA LOG WITH ENDS LAPPED 6". FOR <br />INSTALLATION ON BARE SOIL PLACE LOG IN <br />A SMOOTH, ROUNDED TRENCH WITH A <br />DEPTH EQUAL TO THE LOG DIA. <br />FLOW <br />FIELD INSTALLATION USING STRAW OR WOOD FIBER <br />EROSION LOG <br />C300 <br />0 <br />10' <br />PLAN VIEW <br />WASHOUT LINER <br />10 MIL. PLASTIC <br />NATIVE <br />FILL <br />SECTION VIEW <br />ANCHOR STAPLE <br />(2 PER BALE) <br />3 mm DIAM. STEEL <br />HAY BALE WITH <br />BINDING WIRE <br />WOOD OR METAL STAKE <br />(2 PER BALE) <br />NO SCALE <br />PIE 1'� CE PINI <br />ASSOCIATES, INC. <br />Consulting Civil Engineers <br />9298 CENTRAL AVENUE NE <br />SUITE 312 <br />BLAINE, MN 55434 <br />TEL 763-537-1311 <br />6651 141 st AVENUE NW <br />RAMSEY, MN 55303 <br />I hereby certify that this plan or drawing was prepared <br />by me or under my direct supervision and that I am <br />a duly licensed Professional Engineer under the laws <br />of the State of Minnesota. <br />Company: PIERCE PINI & ASSOCIATES <br />Signed: IL <br />J�. <br />Name: Kevin Gardner <br />Date: 09/06/2023 Reg. No: 45815 <br />Issued for Date <br />Copyright 2023 Pierce Pini & Associates, Inc. <br />Comm. No. 23-020 <br />Drawn TS <br />Checked KG <br />Date 09/06/2023 <br />City Approval <br />Drawing Title <br />STORMWATER <br />POLLUTION <br />PREVENTION DETAILS <br />5 <br />TREE PROTECTION FENCING <br />C300 <br />NO SCALE <br />6 <br />CATCH BASIN INSERT <br />C300 <br />NO SCALE <br />7 <br />CONCRETE WASHOUT AREA <br />C300 <br />NO SCALE <br />C300 <br />