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Home My WebLink AboutC521 - EROSION CONTROL DETAILSMETAL PINS OR STAPLES TO SECURE TIE POLYETHYLENE LINING TO ME STRAW BALES STRAW BALE (ALTERNATIVE MATERIALS OR PRODUCTS MAY BE USED TO PROVIDE STRUCTURAL CONTAINMENT. ALTERNATIVE MATERIALS OR PRODUCTS WILL REQUIRE DESIGN MODIFICATION. 'OLWEHYLENE .INING (10 MIL); HE LINING SHOULD GREND OVER THE RRAW BALES. r ., 11�11 — C -11F?L SECTON A —A ABOVE GRADE SYSTEM MATERIALS • MINIMUM OF TEN MIL POLYETHYLENE SHEETING THAT IS FREE OF HOLES, TEARS, AND OTHER DEFECTS. THE SHEETING SELECTED SHOULD BE OF AN APPROPRIATE SIZE TO FIT THE WASHOUT SYSTEM WTCVT SEAMS OR OVERLAP OF THE LINING (DESIGNED AND INSTALLED SYSTEMS). SIGNAGE. • ORANGE SAFETY FENCING OR EQUIVALENT. • STRAW BALES, SANDBAGS (BAGS SHOULD BE ULTRAMOLET—STABILIZED GEOIEXTLE FABRIC), SOIL MATERIAL, OR OTHER APPROPRIATE MATERIALS THAT CAN BE USED TO CONSTRUCT A CONTAINMENT SYSTEM (ABOVE GRADE SYSTEMS). • METAL PINS OR STAPLES AT A MINIMUM OF SIX INCHES IN LENGTH. SANDBAGS. OR ALTERNATIVE FASTENER TO SECURE POLYETHYLENE LINING TO THE CONTAINMENT SYSTEM. • NON —COLLAPSING AND NON —WATER HOLDING COVER FOR USE DURING RAIN EVENTS (OPTIONAL). PREFABRICATED WASHOUT SYSTEMS/CONTAINERS INSTALL NO LOCATE ACCORDING TO TINE MANUFACTURER'S RECOMMENDATIONS DESIGNED AND NO SYSTEMS • UTILIZE ANDD FOLLOW THE DESIGN IN ME STORM WATER POLLUTION PREVENTION PLAN TO INSTALL THE SYSTEM. • DEPENDENT UPON THE TYPE OF SYSTEM, EITHER EXCAVATE THE PIT OR INSTALL THE CONTAINMENT SYSTEM. • A BASE SHALL CONSTRUCTED AND PREPARED THAT IFREE OF ROCKS AND OTHER DEBRIS NAT MAY CAUSE TEARS ORR PUNCTURES IN THE POLYETHYLENE LINING. • INSTALL THE POLYETHYLENE LINING. FOR EXCAVATED SYSTEMS, THE LINING SHOULD EXTEND AREA THE ENTIRE EXCAVATION. THE LINING FOR BERMED SYSTEMS SHOULD BE INSTALLED CON AI OVER THE POOLING AREA WITH ENOUGH MATERIAL . EXTEND THE LINING OVER THE BERM OR CONTAINMENT SYSTEM. THE LINING SHOULD BE SECURED WITH PINS, STAPLES, OR OTHER FASTENERS. • PLACE FLAGS, SAFELY FENCING, OR EQUIVALENT TO PROVIDE A BARRIER TO CONSTRUCTION EQUIPMENT AND OTHER TRAFFIC. • PLACE ANON —COLLAPSING, NON —WATER HOLDING COVER DOER ER WASHOUT FACILITY PRIOR A FALL PREDICTED RAINEEVENT TO PREVENT ACCUMULATION OF WATER AND POSSIBLE OVERFLOW OFF THE SYSTEM OPTIONAL). INSTALL SIGNS DIRE THAT CONTRACTORS CONCRETE WASHOUT AREAS. POST SIGNS DIRECTING CONTRACTORS AND SUPPLIERS DESIGNATED LOCATIONS. • WHERE NECESSARY, PROVIDE STABLE INGRESS AND EGRESS OR ALTERNATIVE APPROACH PAD FOR CONCRETE WASHOUT SYSTEMS. DAILY AND AFTER EACH STORM EVENT. ME INTECRITY OF THE OVERALL STRUCTURE INCLUDING, WHERE APPUCABLE, ME CONTAINMENT SANDBAGS OR OTHER APPROPRIATE ANCHORING SYSTEM TO SECURE ME DOLYETHYLENE LINING EXCAVATION PLAN MEW SANDBAGS OR OTHER APPROPRIATE ANCHORING SYSTEM TO SECURE ME POLYETHYLENE LINING POLYETHYLENE LINING (10 MIL) SECTION A -A BELOW GRADE SYSTEM CONCRETE (NOT WASHOUT WATER) MAY BE DISPOSED OF IN AREAS THAT WILL NOT RESULT IN FLOW TO AN AREA THAT IS TO BE PROTECTED. INSTALL SYSTEMS AT STRATEGIC LOCATIONS THAT ARE CONVENIENT AND IN CLOSE PROXIMITY TO WORK AREAS AND IN SUFFICIENT NUMBER TO ACCOMMODATE ME DEMAND FOR DIPOSAL. INSTALL SIGNAGE IDENTIFYING ME LOCATION OF CONCRETE WASHOUT SYSTEMS • LOCATE CONCRETE WASHOUT SYSTEMS AT LEAST 50 FEET FROM ANY CREEKS, WETLANDS, DITCHEST, KARST FEATURES, OR STORM DRAINS/MANMADE CONVEYANCE SYSTEMS. • TO THE EXTENT PRACTICAL, LOCATE CONCRETE WASHOUT SYSTEMS IN RELATIVELY RAT AREAS THAT HAVE ESTABLISHED VEGETATIVE COVER AND DO NOT RECEIVE RUNOFF FROM ADJACENT LAND AREAS • LOCATE IN AREAS THAT PROVIDE EASY ACCESS FOR CONCRETE TRUCKS AND OTHER CONSTRUCTION EQUIPMENT. • LOCATE AWAY FROM OTHER CONSTRUCTION TRAFFIC TO REDUCE THE POTENTIAL FOR DAMAGE TO ME SYSTEM. GENERAL DESIGN CONSIDERATIONS • THE STRUCTURE OR SYSTEM SHALL BE DESIGNED TO CONTAIN THE ANTICIPATED WASHOUT WATER ASSOCIATED WIN CONSTRUCTION ACTIVITIES. • THE SYSTEM SHALL BE DESIGNED, TO THE EXTENT PRACTICAL TO ELIMINATE RUNOFF FROM ENTERING THE WASHOUT SYSTEM. • RUNOFF FROM A RAINSTORM OR SNOWMELT SHOULD NOT CARRY WASTES AWAY FROM ME WASHOUT LOCATION. • WASHOUT WILL NOT IMPACT FUTURE LAND USES (I.E., OPEN SPACES, LANDSCAPED AREAS. HOME SITES, PARKS). • WASHOUT SYSTEMS/CONTAINMENTS MEASURES MAY ALSO BE UTILIZED ON SMALLER INDIVIDUAL BUILDING SIZES, ME DESIGN AND SIZE OF THE SYSTEM CAN BE ADJUSTED TO ACCOMMODATE THE EXPECTED CAPACITY. PREFABRICATED WASHOUT SYSTEMS/CONTAINERS • SELF-CONTAINED STURDY CONTAINMENT SYSTEMS THAT ARE DELIVERED TO A SITE AND LOCATED AT STRATEGIC LOCATIONS FOR CONCRETE DISPOSAL • THESE SYSTEMS ARE MANUFACTURED TO RESIST DAMAGE MOM CONSTRUCTION EQUIPMENT AND PROTECT AGAINST LEAKS OR SPILLS • MANUFACTURER OR SUPPLIER PROVIDES THE CONTAINERS. THE PROJECT SITE MANAGER MAINTAINS THE SYSTEM OR THE SUPPLIER PROVIDES COMPLETE SERVICE THAT INCLUDES MAINTENANCE AND DISPOSAL. • UNITS ARE OFTEN AVAILABLE WITH OR WITHOUT RAMPS. UNITS WITH RAMPS LEND THEMSELVES TO ACCOMMODATE PUMP TRUCKS. • MAINTAIN ACCORDING TO MANUFACTURER'S RECOMMENDATIONS. DESIGNED AND INSTALLED UNITS THESE UNITS ARE DESIGNED AND INSTALLED ON SITE. THEY TEND TO BE LESS RELIABLE THAN PREFABRICATED SYSTEMS ARE OFTEN PRONE TO FAILURE. CONCRETE WASHOUT SYSTEMS CAN BE CONSTRUCTED ABOVE OR BELOW GRADE. IT IS NOT UNCOMMON TO HAVE A SYSTEM THAT IS PARRY BELOW GRADE WITH AN ADDITIONAL CONTAINMENT STRUCTURE ABOVE GRADE. • WASHOUT SYSTEMS SHALL UTILIZE A PIT OR BERMED AREA DESIGNED AND MAINTAINED AT A CAPACITY TO CONTAIN ALL LIQUID AND CONCRETE WASTE GENERATED BY WASHOUT OPERATIONS. • ME VOLUME OF ME SYSTEM MUST ALSO BE DESIGNED TO CONTAIN RUNOFF THAT DRAINS TO THE SYSTEM AND RAINFALL THAT ENTERS THE SYSTEM FOR A TWO-YEAR FREQUENCY, 24-HOUR STORM EVENT. • UPON REMOVAL OF THE SOLIDS, INSPECT THE STRUCTURE. REPAIR THE STRUCTURE AS NEEDED OR CONSTRUCT A NEW SYSTEM. BELOW GRADE SYSTEM • DISPOSE OF ALL CONCRETE IN A LEGAL MANNER. REUSE THE MATERIAL ON SITE, RECYCLE OR HAUL THE A WASHOUT SYSTEM INSTALLED BELOW GRADE SHOULD BE A MINIMUM OF TEN FEET WOE BY TEN FEET LONG, MATERIAL TO AN APPROVED CONSTiUCTON/DEMOLITON LANDFILL SIZE. RECYCLING OF MATERIAL IS BUT SIZED TO CONTAIN ALL LIQUID AND WASTE THAT IS EXPECTED TO BE GENERATED BETWEEN SCHEDULED ENCOURAGED. THE WASTE MATERIAL CAN BE USED FOR MULTIPLE APPLICATIONS INCLUDING BUT NOT UMIITD CLEANOUT PERIODS. ME SIZE OF ME PIT MAY BE LIMITED BY ME SIZE OF ME POLYETHYLENE AVAILABLE. TO ROADBEDS AND BUILDING. THE AVAILABILITY FOR RECYCLING SHOULD BE CHECKED LOCALLY. ME POLYETHYLENE LINING SHOULD BE ADEQUATE SIZE TO EXTEND OVER ME ENTIRE EXCAVATOR. • THE PLASTIC LINER SHOULD BE REPLACED AFTER EVERY CLEANING; THE REMOVAL OF MATERIAL WILL USUALLY INCLUDE A MINIMUM 12—INCH FREEBOARD TO REASONABLY ENSURE THAT ME STRUCTURE WILL NOT OVERTOP DAMAGE ME LINING. DURING A RAIN EVENT. • THE CONCRETE WASHOUT SYSTEM SHOULD BE REPAIRED OR ENLARGED AS NECESSARY TO MAINTAIN CAPACITY LINE ME PIT WITH TEN MIL POLYETHYLENE LINING TO CONTROL SEEPAGE. FOR CONCRETE WASTE. THE BOTTOM OF EXCAVATED PIT SHOULD BE ABOVE ME SEASONAL HIGH WATER TABLE. • CONCRETE WASHOUT SYSTEMS ARE DESIGNED TO PROMOTE EVAPORATION. HOWEVER. IF ME LIQUIDS DO NO EVAPORATE AND THE SYSTEM IS NEAR CAPACITY IT MAY BE NECESSARY TO VACUUM OR REMOVE ME LIQUIDS ABOVE GRADE SYSTEM AND DISPOSE OF MEN IN AN ACCEPTABLE METHOD. DISPOSAL MAY BE ALLOWED AT THE LOCAL SANITARY A SYSTEM DESIGNED AND BUILT ABOVE GRADE SHOULD BE A MINIMUM OF TEN EMT WIDE BY TEN FEET LONG, SEWER AUTHORITY PROVIDED THEIR NATONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM PERMITS ALLOW BUT SIZED TO CONTAIN ALL UQUID AND WASTE THAT IS EXPECTED TO BE GENERATED BETWEEN SCHEDULED FOR ACCEPTANCE OF THIS MATERIAL ANOTHER OPTION WOULD BE TO UTLZE A SECONDARY CONTAINMENT CLEANOUT PERIODS. THE S1ZE OF THE CONTAINMENT SYSTEM MAY BE LIMITED BY ME SIZE OF POLYETHYLENE SYSTEM OR BASIN FOR FUTURE DEWATERING. AVAILABLE. THE POLYETHYLENE LINING SHOULD BE OF ADEQUATE SIZE TO EXTEND OVER ME BERM OR • PREFABRICATED UNITS ARE OFTEN PUMPED AND THE COMPANY SUPPLYING THE UNIT PROVIDES THIS SERVICE. CONTAINMENT SYSTEM. • INSPECT CONSTRUCTION ACTVITES ON A REGULAR BASIS TO ENSURE SUPPLIERS, CONTRACTORS. AND OTHERS THE SYSTEM DESIGN MAY UTILIZE AN EARTHEN BERM, STRAW BALES, SANDBAGS, OR OTHER ACCEPTABLE ARE UTILIZING DESIGNATED WASHOUT AREAS, IF CONCRETE WASTE IS BEING DISPOSED OF IMPROPERLY. BARRIERS THAT WILL MAINTAIN ITS SHAPE AND INTEGRITY AND SUPPORT ME POLYETHYLENE LINING. IDENTIFY ME VIOLATORS AND TAKE APPROPRIATE ACTON. INCLUDE A MINIMUM FOUR —INCH FREEBOARD AS PART OF ME DESIGN. • MEN CONCRETE WASHOUT SYSTEMS ARE NO LONGER REQUIRED, ME CONCRETE WASHOUT SYSTEMS SHALL BE CLOSED. DISPOSE OF ALL HARDENED CONCRETE AND OTHER MATERIALS USED TO CONSTRUCT ME SYSTEM. WASHOUT PROCEDURES • HOLES, DEPRESSIONS AND OTHER LAND DISTURBANCES ASSOCIATED WEN ME SYSTEM SHOULD BE 00 NOT LEAVE EXCESS MUD IN ME CHUTES OR HOPPER AMR ME POUR. EVERY EFFORT SHOULD BE MADE BACKFILLED, GRADED, AND STABILIZED. TO EMPTY THE CHUTES AND HOPPER AT ME POUR. ME LESS MATERIAL LEFT IN THE CHUTES AND HOPPER, cPFOW n sS. TIr, ms SITE MANAGEMENT COMPLETE CONSTRUCTON/INSTALLATON OF THE SYSTEM AND HAVE WASHOUT LOCATIONS OPERATIONAL PRIOR TO CONCRETE DEUVERY. • DO NOT WASH OUT CONCRETE TRUCKS OR EQUIPMENT INTO STORM DRAINS. WETLANDS. STREAMS, RIVERS, CREEKS, DITCHES. OR STREETS. • NEVER WASH OUT INTO A STORM SEWER DRAINAGE SYSTEM. THESE SYSTEMS ARE TYPICALLY CONNECTED TO A NATURAL CONVEYANCE SYSTEM. • WHERE NECESSARY, PROVIDE STABLE INGRESS AND EGRESS. • IT IS RECOMMENDED THAT WASHOUT SYSTEMS BE RESTRICTED TO WASHING CONCRETE FROM MIXER AND PUMP TRUCKS AND NOT USED TO DISPOSE OF EXCESS CONCRETE OR RESIDUAL LOADS DUE TO THE POTENTIAL TO EXCEED THE DESIGN CAPACITY OF THE WASHOUT SYSTEM. SMALL AMOUNTS OF EXCESS OR RESIDUAL CONCRETE NOT TO SCALE 300 275 250 225 200 SLOPE 175 LENGTH 150 125 100 )5 RELEASED F A B C 3 3' 1J1° 3 x x X X x x x 1 STAPLE PER S0. T1. 1F2 STAPLES PER SQ. YD. GENERAL STAPLE RECOMMENDATIONS B C C C C B A DR CONSTRUCTION B B 2:1 1: Subject to compliance with all regulations of State and local Lodes .OPE GRADIENT T, City of Camel ((�� DATE: 06/07/19 CHANNEL LINING THE QUICKER AND EASIER THE CLEANOUT. SMALL AMOUNTS OF EXCESS CONCRETE (NOT WASHOUT WATER) MAY BE DISPOSED OF IN AREAS THAT WILL NOT RESULT IN ROW TO AN AREA NAT IS TO BE PROTECTED. • AT THE WASHOUT LOCATION, SCRAPE AS MUCH MATERIAL FROM ME CHUTES AS POSSIBLE BEFORE WASHING THEM. USE NON -WATER CLEANING METHODS TO MINIMIZE ME CHANCE FOR WASTE TO FLOW OFF SIZE. REMOVE AS MUCH MUD AS POSSIBLE WHEN WASHING OUT. • STOP WASHING OUT IN AN AREA IF YOU OBSERVE WATER RUNNING OFF ME DESIGNATED AREA OR IF ME CONTAINMENT SYSTEM IS LEAKING OR OVERFLOWING AND INEFFECTIVE. • DO NOT BACK FLUSH EQUIPMENT AT ME PROJECT SIZE. BACK RUSHING SHOULD BE RESTRICTED TO THE PLANT AS IT GENERATES LARGE VOLUMES OF WASTE THAT MORE THAN UKELY WILL EXCEED ME CAPACITY OF MOST WASHOUT SYSTEMS. IF AN EMERGENCY ARISES, BACK RUSH SHOULD ONLY BY PERFORMED WITH THE PERMISSION OF AN CN-SITE MANAGER FOR ME PROJECT. • DO NOT USE ADDITIVES WITH WASH WATER. DO NOT USE SOLVENTS OR ACIDS THAT MAY BE USED AT THE TARGET PLANT. WASH OUT (REV. 01/17) EFFECTIVE LEE EFFECTIVE LIFE • THE FUNCTIONAL LIFE OF AN EROSION CONTROL BLANKET IS DEPENDENT ON THE MATERIALS USED. ANCHORING • STAPLES. PINS OR STAKES USED TO PREVENT MOVEMENT OR DISPLACEMENT OF BLANKET. (FOLLOW MANUFACTURER'S RECOMMENDATIONS FOR SPECIFIC APPLICATIONS.) MATERIALS • ORGANIC (STRAW, EXCELSIOR, W1YEN PAPER, COCONUT FIBER, ETC.) OR SYNTHETIC MULCH INCORPORATED WITH A POLYPROPYLENE, NATURAL FIBER OR SIMILAR NETTING MATERIAL. (ME NETTING MAY BE BIODEGRADABLE, PHOTODEGRADABLE OR PERMANENT.) NOTE SOME EROSION COMTNOL BLANKET NETTINGS MAY POSE A TREAT TO CERTAIN SPECIES OF WILDLIFE IF TEY BECOME ENTANGLED N WE NETTING MATRIX. • SIX TO 12-INCH STAPLES, PINS, OR STAKES INVALIDATION ATIW 1. SELECT THE TYPE AND WENT OF EROSION CONTROL BLANKET TO FIT ME SITE CONDITIONS (E.G., SLOPE, CHANNEL FLOW VELOCITY) PER THE MANUFACTURER'S RECOMMENDATIONS. 2. PREPARE ME SEEDBED. ADD SOIL AMENDMENTS. AND PERMANENTLY SEED THE AREA IMMEDIATELY FOLLOWING SEEDBED PREPARATION. 3. LAY EROSION CONTROL BLANKETS ON THE SEEDED AREA SO THAT THEY ARE IN CONTINUOUS CONTACT W➢H ME SOIL WTH EACH UP -SLOPE OR UP -STREAM BLANKET OVERLAPPING THE DOWN -SLOPE OR DOWN -STREAM BLANKET BY AT LEAST EIGHT INCHES, OR FOLLOW MANUFACTURER'S RECDMMENDATIONS. 4. TACK THE UPPERMOST EDGE OF THE UPPER BLANKETS INTO A CHECK SLOT (SLIT TRENCH), SACKFUL MI SOIL AMID TAMP DOWN. IN CERTAIN APPUCATONS, THE MANUFACTURER MAY REQUIRE ADDITIONAL CHECK SLOTS AT SPECIFIC LOCATIONS DOWN SLOPE FROM THE UPPERMOST EDGE OF TIE UPPER BLANKETS. 5. ANCHOR THE BLANKETS IN PLACE BY DRIVING STAPLES, PINS, OR STAKES THROUGH THE BLANKET AND INTO THE UNDERLYING SOIL. FOLLOW AN ANCHORING PATTERN APPROPRIATE FOR THE SITE CONDITIONS AND AS RECOMMENDED BY ME MANUFACTURER. n ' MAINTENANCE DEPTHOFINSPECT WTHIN 24 HOURS OF EACH RAIN EVENT AND AT LEAST ONCE EVERY SEVEN CALENDAR DAYS. • CHECK FOR EROSION OR DISPLACEMENT OF THE BLANKET. IF ANY AREA SHOWS EROSION, PULL BACK NAT PORTION OF TIE BLANKET COVERING TIE ERODED ®AREA, ADD SOIL AND TAMP, RESEED TIE AREA, REPLACE AND STAPLE ME BLANKET. x x x X x x 2 STAPLES PER SQ. TO. EROSION CONTROL BLANKET NOT TO SCALE (REV. 01/17) NOTES CHANNEL LININGS UTUZE STAPLE PATTERN "C° WITH ADDITIONAL STAPLES ON S1DE SLOPES AT PROJECTED WATER LINE. STAPLE PATTERNS APPLY TO ALL NORTH AMERICAN CREEN EROSION CONTROL BLANKETS STAPLE PATTERNS MAY VARY DEPENDING UPON SOIL TYPE AND AVERAGE RAINFALL. AT SLOPE LENGTHS GREATER MAN 300 FEET OR WERE DRAINAGE OVER LARGE AREAS IS DIRECTED ONTO THE BLANKETS, STAPLE PATTERN °C" SHOULD BE UTILIZED. 1. REMOVE THE STORM SEWER GRAZE AND PLACE THE FRAME INTO THE GRAZE OPENING. 2. PLACE GEOTEXTILE FABRIC INTO ME FRAME AND SECURE ACCORDING TO ME MANUFACTURER'S RECOMMENDATIONS. 3. REPLACE ME STORM SEWER CRAZE. • INSPECT DAILY. • REMOVE ACCUMULATED SEDIMENT AND DEBRIS AFTER EACH STORM EVENT. DEPOSIT SEDIMENT IN AN AREA WHERE IT WILL NOT RE—ENTER THE PAVED AREA OR STORM DRAINS. • REPLACE OR CLEAN GEOTEXiILE FABRIC AS NEEDED. • MEN THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED, REMOVE INLET PROTECTION. MANAGEABLE 2 FC CONTAINMENT AR1 HANDLES FOR EASY REMOVAL POLYESTER MESA REINFORCEMENT (OUTER LAYER; T ;TRAPS STORM CURB GRATE OPENING w OPTIONAL LIFT OUTFLOW STRAPS PORTS CURB REINFORCED FILTER CORNERS DUPING (RAPS STORM MANAGEABLE 2 FOOT OPTIONAL FLOW INLET CONTAINMENT AREA gA OUTFLOW 11 ;� PORTS DUMPING IZO h4lWipm RLUW ORE STAINLESS STEEL BAND (HEMMED INTO BAG) 'OLYPROPYLENE ;EOTEXTILE FILTER 'AGING (INNER LAYER) NOTE: CONTRACTOR TO USE FUEXSTORM CATCH —IT INLET PROTECTOR. DANDY BAG OR APPROVED ALTERNATE DROP —IN INLET PROTECTION TO BE USED IN PAYED AREAS. DROP —IN INLET PROTECTION NOT TO SCALE (REV. 01/17) ¢C[RNMATMMC NOTE: ALTERNATIVE SUPPORT SYSTEMS MAY BE SUBSTITUTED FOR HARDWOOD POSTS AND CROSS BRACES. CONTRIBUTING DRAINAGE AREA • ONE ACRE MAXIMUM. EFFECTIVE LIFE • SIX MONTHS (MAXIMUM). CAPACITY • RUNOFF FROM A TWO—YEAR FREQUENCY, 24—HOUR STORM EVENT ENTERING A STORM DRAIN WITHOUT BYPASS FLOW. GEOTEXTILE STRUCTURE • HEIGHT — 12 TO 18 INCHES, MEASURED FROM ME TOP OF STORM DRAIN INLET. • POST SPACING — 36—INCH MAXIMUM SPACING BETWEEN POSTS. • FRAME SUPPORT — BRACING TO STRENGTHEN INTEGRITY OF ME STRUCTURE. COLLAPSING OR T WITHSTAND ITH TANG.1)I HEAD OF WATER AND SEDIMENT MTI1OUT O MATERIALS • SUPPORT POSTS •• 2 x 2 INCH OR 2 x4 INCH HARDWOOD POSTS. THREE FEET LENGTH, MINIMUM. • •• 1 x 2 INCH OR 1 x 3 INCH HARDWOOD CROSS BRACING LUMBER. LANE. • STAPLES OR NAILS. • GEOTEXTLE FABRIC. TABLE 2. GEOTEXTILE FABRIC SPECIFICATIONS FOR SILT FENCE (MINIMUM) PHYSICAL PROPERTY WOVEN NON —WO IN GEOMXTILE FABRIC GEOTEXTUE FABRIC FILTERING EFFICIENCY 85% 85% UV RESISTANCE ]O% 85% (INHIBITORS AND STABILIZERS TO ENSURE SIX MONTH MINIMUM LEE AT TEMPERATURES 0' TO 12W F) TEXTILE STRENGTH AT 20% ELONGATION STANDARD STRENGTH 30 MS. PER LINEAL INCH 50 LBS PER LINEAL INCH EXTRA STRENGTH 1 50 MS. PER LINEAL INCH TO LBS PER LINEAL INCH SLURRY ROW RAZE 10.3 GAL./MIN./SGUARE FOOT 4.5 GAL/MIN./SQUARE FOOT WATER ROW RATE 115 GAL/MIN./SQUARE FOOT 220 GAL/MIN./SQUARE FOOT 36 IN. PROVIDE CROSS BRACING MEN NECESSARY .. .... .. zZ BURIED GEOTEXTLE .. FABRIC INSTAL I ATw 1. DIG AN EIGHT —INCH DEEP, FOUR —INCH WIDE TRENCH AROUND THE PERIMETER OF TIE INLET. 2. IF USING PRE —ASSEMBLED GEOTC(TLE FABRIC AND POSTS, DRIVE ME POSTS INTO THE SOIL. TIGHTLY STRETCHING THE GEOTEXTLE FABRIC BETWEEN POSTS AS EACH IS DRIVEN. (POSTS MUST BE PLACED ON THE INLET SIDE OF THE ANCHOR TRENCH WITH THE GEOTEXTILE FABRIC ON THE SIDE OF THE TRENCH FARTHEST FROM THE INLET.) NOTE: IF ASSEMBLING ME GEOTEXTILE FABRIC AND POSTS ON —SITE, DRIVE THE POSTS INTO THE SOIL AND THEN SECURE TIE GEOTEXTLE FABRIC TO THE POSTS BY PLACING A PIECE OF LATHE OVER TIE FABRIC AND FASTENING IT TO THE POST (STRETCHING THE FABRIC BETWEEN POSTS AS IT IS FASTENED). 3. USE THE WRAP JOIN METHOD WHEN JOINING POSTS. 4. PLACE THE BOTTOM 12 INCHES OF GEOTEXTLE FABRIC INTO ME EIGHT —INCH DEEP TRENCH, LAYNG ME REMAINING FOUR INCHES IN THE BOTTOM OF ME TRENCH AND EXTENDING AWAY FROM ME INLET. 5. BACKFILL THE TRENCH WITH SOIL MATERIAL AND COMPACT IT IN PUCE. 6. BRACE THE POSTS BY NAILING BRACES INTO EACH CORNER POST OR UTILIZE RIGID PANELS TO SUPPORT FABRIC. NOTE N SITUATIONS WHERE STORM WATER MAY BYPASS THE STRUCTURE, EITHER • SET THE TOP OF THE GEOTEXTILE FABRIC FILTER AT LEAST SIX INCHES LOWER THAN THE GROUND ELEVATION ON THE DOWN —SLOPE S1DE OF THE STORM DRAIN INLET, • BUILD A TEMPORARY DIKE, COMPACTED TO SIX INCHES HIGHER MAN THE FABRIC. ON THE DOMN—SLOPE SIDE OF THE STORM DRAIN INLET, AND/OR • USE IN CONJUNCTION WITH EXCAVATED DROP INLET PROTECTION. MCItlANANCE • INSPECT DAILY. • INSPECT GEOTEXTILE FABRIC AND MAKE NEEDED REPAIRS IMMEDIATELY. • REMOVE SEDIMENT FROM POOL AREA TO PROVIDE STORAGE FOR THE NEXT STORM EVENT. AMD DAMAGING OR UNDERCUTTING FABRIC DURING SEDIMENT REMOVAL USE ONE 16" UVESTOCK • WEN CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED. REMOVE SEDIMENT, PANEL WRAPPED W/ PROPERLY DISPOSE OF ALL CONSTRUCTION MATERIAL. GRADE AREA TO THE GEOTEXTIE FABRIC ELEVATION OF WE STORM DRAIN INLET TOP, THEN STABILIZE IMMEDIATELY. 30° U 1 Commercial Real Estate Solutions® O■ AMERICAN M: STRUCTUREPOINT INC. 72611 SNaddi Slallon I Indianapolis, Indiana 46256 TEL 317.517.55861 FAX 317.543.6276 wWwstructurepointcom Intuitive Health Riverview Health Urgent Care & Emergency Room 14585 Hazel Dell Parkway Carmel, Indiana < No. 10403915 STAIE O MINIMUM HEIGHT "�i�alA•.::.., n..:.•GANN'N %OgSSONA�V %%0• INSTALL 3 TO 4 6• °Y STEEL /l_Y/yLi F/C/�V(� FENCE POSTS I/`!•' CERTIFIED BY GEOTEXTILE FABRIC 36 INCH (MIN.) SECURED MEN LATHE HARDWOOD POST ISSUANCE INDEX COMPACTED FILL SECURE POSTS TO DATE: FLOW POST INSIDE OF PANEL POST 03/11/2019 uM1T of � III RECTANGULAR GRAZE PROJECT PHASE: —_I — -- — w"' —_ i IIII-> ' Y FINAL CONSTRUCTION PLANS GEOTEXTILE FABRIC -4" LAID ON DOWN -SLOPE —IIII LIMIT OF SIDE AND BOTTOM OF -III —III 1RENCH =III —III Y` ROUND GRATE �`\ / REVISION SCHEDULE "I IIHII—I" PosT 7 LIMIT OFJ POST NO. DESCRIPTION DATE GEOTEXTILE FABRIC SILT FENCE INLET PROTECTION NOT TO SCALE (REV. 01/17) NOTE: THIS MEASURE IS NOT RECOMMENDED FOR PAYED SURFACES DUE TO INABILITY TO ENTRENCH THE FABRIC AND LACK OF AN ANCHORING SYSTEM. Project Number 2018.00290 EROSION CONTROL DETAILS C521