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HomeMy WebLinkAboutC8.0 SWPPP DETAILSC8.0SWPPP DETAILSINSTALLATION 1.REMOVE ALL VEGETATION AND OTHER OBJECTIONABLE MATERIAL FROM THE FOUNDATION AREA. 2.GRADE THE FOUNDATION AND CROWN FOR POSITIVE DRAINAGE. 3.INSTALL A CULVERT PIPE UNDER THE PAD IF NEEDED TO MAINTAIN PROPER PUBLIC ROAD DRAINAGE. 4.IF WET CONDITIONS ARE ANTICIPATED, PLACE GEOTEXTILE FABRIC ON THE GRADED FOUNDATION TO IMPROVE STABILITY. 5.PLACE AGGREGATE (INDOT CA NO. 2) TO THE DIMENSIONS AND GRADE SHOWN IN THE CONSTRUCTION PLANS, LEAVING THE SURFACE SMOOTH AND SLOPED FOR DRAINAGE. 6.TOP-DRESS THE DRIVE WITH WASHED AGGREGATE (INDOT CA NO.53). 7.WHERE POSSIBLE, DIVERT ALL STORM WATER RUNOFF AND DRAINAGE FROM THE TEMPORARY CONSTRUCTION INGRESS/EGRESS PAD TO A SEDIMENT TRAP OR BASIN. MAINTENANCE _ INSPECT DAILY. _ RESHAPE PAD AS NEEDED FOR DRAINAGE AND RUNOFF CONTROL. _ TOP-DRESS WITH CLEAN AGGREGATE AS NEEDED. _ IMMEDIATELY REMOVE MUD AND SEDIMENT TRACKED OR WASHED ONTO PUBLIC ROADS. _ FLUSHING SHOULD ONLY BE USED IF THE WATER FROM THE CONSTRUCTION DRIVE CAN BE CONVEYED INTO A SEDIMENT TRAP OR BASIN. REFERENCED IN CHAPTER 7 PAGE 22 AND 23 IN INDIANA STORM WATER QUALITY MANUAL. WIDTH (A)13' MINIMUM OR FULL WIDTH OF ENTRANCE/EXIT DRIVE, WHICHEVER IS GREATER. C8.0SWPPP DETAILSTEMPORARY CONSTRUCTION INGRESS/EGRESS PAD SMALL SITES - LESS THAN TWO ACRES (NO SCALE) GEOTEXTILE FABRIC UNDERLINER #2 STONE AGGREGATE PUBLI C R O A D #53 ST O N E A G G R E G A T E ( O P T I O N A L ) 2"-3"(MIN.) (OPTIONAL) 50' (MI N . ) 6" (MIN.)REVISIONS AND ISSUESPREPARED FOR:PROJECT NO. SHEET NO.CHECKED BY:DRAWN BY:DEGDESIGNED BY:DWG NAME:PROJECT NO.:W220058DATEBY01.31.2022BTDATE:DEGSTEVEN SCOTT RUCKER P.E. 11300279ENGINEERS317 | 846 - 6611800 | 452 - 6408317 | 843 - 0546 faxWEIHELand Surveying | Civil EngineeringLandscape ArchitectureALLAN H. WEIHE, P.E., L.S. - FOUNDER10505 N. College AvenueIndianapolis, Indiana 46280weihe.netBuild with confidence.SMA PART OF THE SOUTHWEST QUARTER, SECTION 31, TOWNSHIP 18 NORTH, RANGE 4 EAST, HAMILTON COUNTY, INDIANAW22.0058431 E CARMEL DRIVE, CARMEL, IN 46032CULVER'SCARMEL, IN04.29.2022DEGTAC COMMENT REVISIONS105.13.2022AMQLANDSCAPE COMMENT REVISIONS206.24.2022BTREMOVE PARKING ISLAND AND TRANSFORMER3TAC COMMENT REVISIONS 2407.07.2022DEGWQ TREATMENT TRAIN & WATER COMMENTS508.12.2022DEGADDED FIRE HYDRANT & FDC AND DRY LINE608.25.2022DEGRELOCATED IRRIGATION VALVE & METER709.29.2022DEGSWPPP2 UPDATE TO CLARIFY WQ UNIT & EASEMENT810.06.2022DEGCRE REVIEW COMMENT REVISIONS910.24.2022DEGADDED SURVEY DATA FOR EAST ADJOINER1011.23.2022DEGNOTES: 1.THE SWPPP INFORMATION SIGN MUST BE LOCATED NEAR THE CONSTRUCTION EXIT OF THE SITE, SUCH THAT IT IS ACCESSIBLE AND VIEWABLE BY THE GENERAL PUBLIC, BUT NOT OBSTRUCTING VIEWS AS TO CAUSE A SAFETY HAZARD. 2.ALL POSTED DOCUMENTS MUST BE MAINTAINED IN A CLEARLY READABLE CONDITION AT ALL TIMES THROUGHOUT CONSTRUCTION AND UNTIL THE NOTICE-OF-TERMINATION (NOT) IS FILED FOR THE PERMIT. 3.CONTRACTOR SHALL POST OTHER STORM WATER AND/OR EROSION AND SEDIMENT CONTROL RELATED PERMITS ON THE SIGN AS REQUIRED BY THE GOVERNING AGENCY. 4.SIGN SHALL BE LOCATED OUTSIDE OF PUBLIC RIGHT-OF-WAY AND EASEMENTS UNLESS APPROVED BY THE GOVERNING AGENCY. 5.CONTRACTOR IS RESPONSIBLE FOR ENSURING STABILITY OF THE SWPPP INFORMATION SIGN. SWPPP INFORMATION SIGN COPY OF NOI COPY OF IDEM NOTICE OF SUFFICIENCY SWPPP INFORMATION DETAILED DESCRIPTION OF THE LOCATION OF THE SWPPP DOCUMENTATION (BINDER AND SITE MAPS) ON THE SITE. SIGN TO BE CONSTRUCTED OF A RIGID MATERIAL, SUCH AS PLYWOOD OR OUTDOOR SIGN BOARD. SIGN MUST BE CONSTRUCTED IN A MANNER TO PROTECT DOCUMENTS FROM DAMAGE DUE TO WEATHER (WIND, SUN, MOISTURE, ETC.). "SWPPP INFORMATION" MUST BE DISPLAYED PROMINENTLY ACROSS THE TOP OF THE SIGN, AS SHOWN IN THE DETAIL.3" MIN.3" MIN.COPY OF DRAINAGE APPROVAL LETTER COPY OF CONSTRUCTION SITE NOTICE AS APPLICABLE COPY OF CONSTRUCTION SITE NOTICE AS APPLICABLE COPY OF CONSTRUCTION SITE NOTICE AS APPLICABLE (NO SCALE) TEMPORARY SEEDTEMPORARY SEED TABLE 1 - TEMPORARY SEEDING SPECIFICATIONS SEED SPECIES RATE PER ACRE PLANTING DEPTH OPTIMUM DATES WHEAT OR RYE 160 LBS.1 TO 1 12 INCHES SEPTEMBER 16 - OCTOBER 30 SPRING OATS 100 LBS.1 INCH MARCH 1 - APRIL 16 ANNUAL RYEGRASS 40 LBS.14 INCH MARCH 1 - MAY 1 & AUGUST 1 - SEPTEMBER 1 GERMAN MILLET 40 LBS.1 TO 2 INCHES MAY 1 - JUNE 1 SUDANGRASS 35 LBS.1 TO 2 INCHES MAY 1 - JULY 30 BUCKWHEAT 60 LBS.1 TO 2 INCHES APRIL 16 - JUNE 1 CORN (BROADCAST)300 LBS.1 TO 2 INCHES MAY 11 - AUGUST 10 SORGHUM 35 LBS.1 TO 2 INCHES MAY 1 - JULY 16 NOTES 1.PERENNIAL SPECIES MAY BE USED AS A TEMPORARY COVER, ESPECIALLY IF THE AREA TO BE SEEDED WILL REMAIN IDLE FOR MORE THAN ONE YEAR. 2.SEEDING DONE OUTSIDE THE OPTIMUM SEEDING DATES INCREASES THE CHANCES OF SEEDING FAILURE. DATES MAY BE EXTENDED OR SHORTENED BASED ON THE LOCATION OF THE PROJECT SITE WITHIN THE STATE. 3.MULCH ALONE IS AN ACCEPTABLE TEMPORARY COVER AND MAY BE USED IN LIEU OF TEMPORARY SEEDING, PROVIDED THAT IT IS APPROPRIATELY ANCHORED. 4.A HIGH POTENTIAL FOR FERTILIZER, SEED, AND MULCH TO WASH EXISTS ON STEEP BANKS, CUTS, AND IN CHANNELS AND AREAS OF CONCENTRATED FLOW. SEEDBED PREPARATION 1.TEST SOIL TO DETERMINE PH AND NUTRIENT LEVELS. 2.APPLY SOIL AMENDMENTS AS RECOMMENDED BY THE SOIL TEST. IF TESTING IS NOT DONE, APPLY 400 TO 600 POUNDS PER ACRE OF 13-13-13 ANALYSIS FERTILIZER, OR EQUIVALENT. 3.WORK THE SOIL AMENDMENTS INTO THE UPPER TWO TO FOUR INCHES OF THE SOIL WITH A DISK OR RAKE OPERATED ACROSS THE SLOPE. SEEDING 1.SELECT A SEED SPECIES OR AN APPROPRIATE SEED MIXTURE AND APPLICATION RATE FROM TABLE 1. 2.APPLY SEED UNIFORMLY WITH A DRILL OR CULTIPACKER SEEDER OR BY BROADCASTING. PLANT OR COVER SEED TO THE DEPTH SHOWN IN TABLE 1. 3.IF DRILLING OR BROADCASTING THE SEED, ENSURE GOOD SEED-TO-SOIL CONTACT BY FIRMING THE SEEDBED WITH A ROLLER OR CULTIPACKER AFTER COMPLETING SEEDING OPERATIONS. 4.DAILY SEEDING WHEN THE SOIL IS MOIST IS USUALLY MOST EFFECTIVE. 5.IF SEEDING IS DONE WITH A HYDROSEEDER, FERTILIZER AND MULCH CAN BE APPLIED WITH THE SEED IN A SLURRY MIXTURE. 6.APPLY MULCH AND ANCHOR IT IN PLACE. MAINTENANCE 1.INSPECT WITHIN 24 HOURS OF EACH RAIN EVENT AND AT LEAST ONCE EVERY SEVEN CALENDAR DAYS. 2.CHECK FOR EROSION OR MOVEMENT OF MULCH AND REPAIR IMMEDIATELY. 3.MONITOR FOR EROSION DAMAGE AND ADEQUATE COVER (80 PERCENT DENSITY); RESEED, FERTILIZE, AND APPLY MULCH WHERE NECESSARY. 4.IF NITROGEN DEFICIENCY IS APPARENT, TOP-DRESS FALL SEEDED WHEAT OR RYE SEEDING WITH 50 POUNDS PER ACRE OF NITROGEN IN FEBRUARY OR MARCH. REFERENCE IN CHAPTER 7 PAGES 31-33 IN THE INDIANA STORM WATER QUALITY MANUAL 1.PREPARE SOIL BEFORE INSTALLING ROLLED EROSION CONTROL PRODUCTS (RECP's), INCLUDING ANY NECESSARY APPLICATION OF LIME, FERTILIZER, AND SEED. NOTE: WHEN USING CELL-O-SEED DO NOT SEED PREPARED AREA. CELL-O-SEED MUST BE INSTALLED WITH PAPER SIDE DOWN. 2.BEGIN AT THE TOP OF THE SLOPE BY ANCHORING THE RECP'S IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH WITH APPROXIMATELY 12" (30 CM) OF RECP'S EXTENDED BEYOND THE UP-SLOPE PORTION OF THE TRENCH. ANCHOR THE RECP'S WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30 CM) APART IN THE BOTTOM OF THE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12" (30 CM) PORTION OF RECP'S BACK OVER SEED AND COMPACTED SOIL. SECURE RECP'S COVER COMPACTED SOIL WITH A ROW OF STAPLES/STAKES SPACED APPROXIMATELY 12" (30 CM) APART ACROSS THE WIDTH OF THE RECP'S. 3.ROLL THE RECP'S (A.) DOWN OR (B.) HORIZONTALLY ACROSS THE SLOPE. RECP'S WILL UNROLL WITH APPROPRIATE SIDE AGAINST THE SOIL SURFACE. ALL RECP's MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES IN APPROPRIATE LOCATIONS AS SHOWN IN THE STAPLE PATTERN GUIDE. WHEN USING THE DOT SYSTEM , STAPLES/STAKES SHOULD BE PLACED THOUGH EACH OF THE COLORED DOTS CORRESPONDING TO THE APPROPRIATE STAPLE PATTERN. 4.THE EDGES OF PARALLEL RECP's MUST BE STAPLED WITH APPROXIMATELY 2" - 5" (5 CM - 12.5 CM) OVERLAP DEPENDING ON RECP's TYPE. 5.CONSECUTIVE RECP'S SPLICED DOWN THE SLOPE MUST BE PLACED END OVER END (SHINGLE STYLE) WITH AN APPROXIMATE 3" (7.5 CM) OVERLAP. STAPLE THROUGH OVERLAPPED AREA, APPROXIMATELY 12" (30 CM) APART ACROSS ENTIRE RECP's WIDTH. NOTE: IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE R STAKE LENGTHS GREATER THAN 6" (15 CM) MAY BE NECESSAY TO PROPERLY SECURE THE RECP's. 2"-5" (5 CM-12.5CM) 12" (30 CM)6" (15 CM)6" (15 CM) SLOPE INSTALLATION (NO SCALE) EROSION CONTROL Products Guaranteed SOLUTIONS 14649 HIGHWAY 41 NORTH EVANSVILLE, IN 47725 800-720-2040 www.nagreen.com SEDIMENTATION/SILT FENCE MAXIMUM LOAD SLOPE AND DISTANCE FOR WHICH A SILT FENCE IS APPLICABLE INSTALLATION PREFABRICATED SILT FENCE 1. LAY OUT THE LOCATION OF THE FENCE SO THAT IT IS PARALLEL TO THE CONTOUR OF THE SLOPE AND AT LEAST 10 FEET BEYOND THE TOE OF THE SLOPE TO PROVIDE A SEDIMENT STORAGE AREA. TURN THE ENDS OF THE FENCE UP SLOPE SUCH THAT THE POINT OF CONTACT BETWEEN THE GROUND AND THE BOTTOM OF THE FENCE END TERMINATES AT A HIGHER ELEVATION THAN THE TOP OF THE FENCE AT ITS LOWEST POINT. 2. EXCAVATE AN EIGHT-INCH DEEP BY FOUR-INCH WIDE TRENCH ALONG THE ENTIRE LENGTH OF THE FENCE LINE. INSTALLATION BY PLOWING IS ALSO ACCEPTABLE. 3. INSTALL THE SILT FENCE WITH THE FILTER FABRIC LOCATED ON THE UP-SLOPE SIDE OF THE EXCAVATED TRENCH AND THE SUPPORT POSTS ON THE DOWN-SLOPE SIDE OF THE TRENCH. 4. DRIVE THE SUPPORT POSTS AT LEAST 18 INCHES INTO THE GROUND, TIGHTLY STRETCHING THE FABRIC BETWEEN THE POSTS AS EACH IS DRIVEN INTO THE SOIL. MINIMUM OF 12 INCHES OF THE FILTER FABRIC SHOULD EXTEND INTO THE TRENCH. 5. LAY THE LOWER FOUR INCHES OF FILTER FABRIC ON THE BOTTOM OF THE TRENCH AND EXTEND IT TOWARD THE UP-SLOPE SIDE OF THE TRENCH. 6. BACKFILL THE TRENCH WITH SOIL MATERIAL AND COMPACT IT IN PLACE. NOTE: IF THE SILT FENCE IS BEING CONSTRUCTED ON-SITE, ATTACH THE FILTER FABRIC TO THE SUPPORT POSTS AND ATTACH WOODEN LATHE TO SECURE THE FABRIC TO THE POSTS. ALLOW FOR AT LEAST 12 INCHES OF FABRIC BELOW GROUND LEVEL. COMPLETE THE SILT FENCE INSTALLATION, FOLLOWING STEPS 1 THROUGH 6 ABOVE. MAINTENANCE _ INSPECT WITHIN 24 HOURS OF A RAIN EVENT AND AT LEAST ONCE EVERY SEVEN CALENDAR DAYS. _ IF FENCE FABRIC TEARS, STARTS TO DECOMPOSE, OR IN ANY WAY BECOMES INEFFECTIVE, REPLACE THE AFFECTED PORTION IMMEDIATELY. NOTE: ALL REPAIRS SHOULD MEET SPECIFICATIONS AS OUTLINED WITHIN THIS MEASURE. _ REMOVE DEPOSITED SEDIMENT WHEN IT IS CAUSING THE FILTER FABRIC TO BULGE OR WHEN IT REACHES ONE-HALF THE HEIGHT OF THE FENCE AT ITS LOWEST POINT. WHEN CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED, REMOVE THE FENCE AND SEDIMENT DEPOSITS, GRADE THE SITE TO BLEND WITH THE SURROUNDING AREA, AND STABILIZE. REFERENCE IN CHAPTER 7 PAGES 215-221 IN THE INDIANA STORM WATER QUALITY MANUAL 2-WOOD POST/STAKES WRAPPED WITH SILT FENCE AND ROTATED AT LEAST ONE FULL TURN TO SECURE SILT FENCE END IN PLACE SILT FENCE SILT FENCE POST TO JOIN TO ENDS OF TWO FENCES. EMBEDDED SILT FENCE MATERIAL MIN. 8" INTO GROUND W/ 4" LAID ALONG BOTTOM OF TRENCH. SOIL SLICING IN ACCORDANCE WITH ASTM D 6462 8.2.2 IS ALSO ACCEPTABLE. GEOTEXTILE FABRIC LAID ON DOWN SLOPE SIDE AND BOTTOM OF TRENCH 8"X4" TRENCH TO BE BACKFILLED AND COMPACTED WOVEN FILTER FABRIC SILT FENCE MATERIAL COVER POST 2"X2" WOOD OR 1.33 LBS/FOOT STEEL 6' MAX. SPACING EMBEDDED SILT FENCE MATERIAL MIN. 8" INTO GROUND W/ 4" LAID ALONG BOTTOM OF TRENCH. SOIL SLICING IN ACCORDANCE WITH ASTM D 6462 8.2.2 IS ALSO ACCEPTABLE. GEOTEXTILE FABRIC LAID ON DOWN SLOPE SIDE AND BOTTOM OF TRENCH POST 2"X2" WOOD OR 1.33 LBS/FOOT STEEL 8' MAX. SPACING WIRE FENCE 14 GUAGE (MIN)-6" MESH REQ'D. IN SWALES OR AREAS OF CONCENTRATED FLOW NONWOVEN FILTER FABRIC - SECURE TO POSTS WITH 2" LATH 2-WOOD POST/STAKES WRAPPED WITH SILT FENCE AND ROTATED AT LEAST TWO FULL TURNS TO PROVIDE A SECURE CONNECTION WOOD OR METAL STAKES TO SECURE THE STRAW BALES (TWO PER BALE) 10 MIL. PLASTIC LINING STRAW BALE (TYP) SECTION LINE STRAW BALE (TYP) BINDING WIRE WOOD OR METAL STAKES (TYP) - 2 PER BALENATIVE MATERIAL (OPTIONAL) POLYETHYLENE LINING 10 MIL. EXTENDING OVER BALES (NO SCALE)TYPE "ABOVE GRADE W/ STRAW BALES"4"WOOD OR METAL STAKES TO SECURE THE STRAW BALES (TWO PER BALE) POLYETHYLENE LINING 10 MIL. EXTENDING OVER BALES METAL PINS OR STAPLES TO SECURE THE POLYETHYLENE LINING TO THE STRAW BALES METAL PINS OR STAPLES TO SECURE THE POLYETHYLENE LINING TO THE STRAW BALES CONCRETE WASHOUT WOOD POST 3"x3"x8' BLACK LETTER 6" HEIGHT 3/8" TREATED PLYWOOD 48"x24" PAINTED WHITE 0.5" LAG SCREWS INSTALLATION 1.UTILIZE AND FOLLOW THE DESIGN IN THE STORM WATER POLLUTION PREVENTION PLAN TO INSTALL THE SYSTEM. 2.DEPENDENT UPON THE TYPE OF SYSTEM, EITHER EXCAVATE THE PIT OR INSTALL THE CONTAINMENT SYSTEM. 3.A BASE SHALL BE CONSTRUCTED AND PREPARED THAT IS FREE OF ROCKS AND OTHER DEBRIS THAT MAY CAUSE TEARS OR PUNCTURES IN THE POLYETHYLENE LINING. 4.INSTALL THE POLYETHYLENE LINING. FOR EXCAVATED SYSTEMS, THE LINING SHOULD EXTEND OVER THE ENTIRE EXCAVATION. THE LINING FOR BERMED SYSTEMS SHOULD BE INSTALLED OVER THE POOLING AREA WITH ENOUGH MATERIAL TO EXTEND THE LINING OVER THE BERM OR CONTAINMENT SYSTEM. THE LINING SHOULD BE SECURED WITH PINS, STAPLES, OR OTHER FASTENERS. 5.PLACE FLAGS, SAFETY FENCING, OR EQUIVALENT TO PROVIDE A BARRIER TO CONSTRUCTION EQUIPMENT AND OTHER TRAFFIC. 6.PLACE A NON-COLLAPSING, NON-WATER HOLDING COVER OVER THE WASHOUT FACILITY PRIOR TO A PREDICTED RAINFALL EVENT TO PREVENT ACCUMULATION OF WATER AND POSSIBLE OVERFLOW OF THE SYSTEM (OPTIONAL). 7.INSTALL SIGNAGE THAT IDENTIFIES CONCRETE WASHOUT AREAS. 8.POST SIGNS DIRECTING CONTRACTORS AND SUPPLIERS TO DESIGNATED LOCATIONS. 9.WHERE NECESSARY, PROVIDE STABLE INGRESS AND EGRESS (SEE TEMPORARY CONSTRUCTION INGRESS/EGRESS PAD ON PAGE 17) OR ALTERNATIVE APPROACH PAD FOR CONCRETE WASHOUT SYSTEMS. 10.USE A 10 MIL. POLYETHYLENE LINED DUMPSTER AS AN ALTERNATE. HIGH VISABILTIY PLASTIC MESH FENCE 3'3'PLAN 1.ACTUAL LAYOUT DETERMINED IN FIELD. 2.THE CONCRETE WASHOUT SIGN SHALL BE INSTALLED WITHIN 30FT. OF THE TEMP. CONCRETE WASHOUT FACILITY. SECTION CONCRETE WASHOUT8"8"8"X4" TRENCH TO BE BACKFILLED AND COMPACTED POSTS: STEEL T OR U TYPE, OR 2"X2" HARD WOOD POST FENCE: WOVEN WIRE, 14-1/2 GA., 6" MAX. MESH OPENING FABRIC: IN ACCORDANCE WITH ASTM D 6461 LATEST EDITION. LOAD SLOPE LESS THAN 2% 2 TO 5% 5 TO 10% 10 TO 20% MORE THAN 20% MAX. DISTANCE ABOVE FENCE 100 FT. 75 FT. 50 FT. 25 FT. 15 FT. (NO SCALE) TREE PRESERVATION DETAIL BARRIERS THAT EXTEND BEYOND THE DRIPLINE PROTECT TREES DURING CONSTRUCTION. EX. GRADE FENCE POST HIGH VISABILTIY PLASTIC MESH FENCE WATER DRIP-LINE EX. TREE (DRIP-LINE) PROP. FENCE POST WITHOUT WIRE SUPPORT WITH WIRE SUPPORT (NO SCALE) FLOW FINISH GRADE UNDISTURBED GROUND FLOW FINISH GRADE UNDISTURBED GROUND NOTE: AVOIDING DAMAGE DURING CONSTRUCTION THE SUREST WAY TO PROTECT TREES THAT ARE TO BE SAVED IS TO: 1.WORK WITH THE BUILDER TO LOCATE AND MARK WITH FLAGGING AND/OR SIGNS ALL CONSTRUCTION ROADS, PARKING PLACES FOR WORKERS, AND AREAS FOR STORAGE OF BUILDING MATERIALS, GRAVEL AND SOIL. 2.WORK WITH THE UTILITY CONTRACTORS TO STAKE OUT THE EXACT LOCATION OF TRENCHES. 3.ERECT PHYSICAL BARRIERS AROUND ALL "SAVED" TREES OR, BETTER YET, AROUND GROUPS OF TREES, NEAR THE CONSTRUCTION ACTIVITY. 4.EXTEND BARRIERS AS FAR AS POSSIBLE BEYOND DRIPLINE. APRON ON THIS SIDE OF THE DIKE SHALL BE FOLDED UNDER THE DIKE SECTION 20" AND GLUED DOWN CONSTRUCTION AREA SECTION A-A DIKE PLAN VIEW APRON ADHESIVE FLOW ADHESIVE 20"20"ADHESIVEADHESIVEADHESIVE ADHESIVE NOTES 1. INSTALLED SILT DIKE UNIT SHALL HAVE CONTINUOUS AND FIRM CONTACT WITH PAVEMENT. 2. ADHESIVES SHALL BE LIQUID NAIL OR APPROVED EQUAL FOR CONCRETE PAVEMENT APPLICATIONS AND EMULSIFIED ASPHALT FOR ASPHALT APPLICATIONS. ADHESIVE SHALL BE PLACED WHERE THE UNITS OVERLAP AND A 20" STRIP ALONG BOTH EDGES. FLOW OVERLAP PER MANUFACTURER'S RECOMMENDATIONS SILT DIKE (ON EXISTING PAVEMENT) (NO SCALE) ALTERNATE CONTRACTOR MAY USE A 10 MIL. POLYETHYLENE LINED DUMPSTER FOR CONCRETE WASHOUT. EXISTING CONCRETE OR ASPHALT PAVEMENT MAINTENANCE 1.INSPECT DAILY AND AFTER EACH STORM EVENT FOR LEAKS, SPILLS, TRACKING OF SOIL BY EQUIPMENT, AND THE POLYETHYLENE LINING FOR FAILURE. 2.ONCE CONCRETE WASTES HARDEN, REMOVE AND DISPOSE OF THE MATERIAL. EXCESS CONCRETE SHOULD BE REMOVED WHEN THE WASHOUT SYSTEM REACHES 50 PERCENT OF THE DESIGN CAPACITY AND SHOULD NOT BE USED UNTIL PROPERLY CLEANED OUT. 3.PLASTIC LINER SHOULD BE REPLACED AFTER EVERY CLEANING, THE REMOVAL OF MATERIAL USUALLY DAMAGES IT. 4.REPAIR OR ENLARGE AS NECESSARY TO MAINTAIN CAPACITY FOR CONCRETE WASTE. 5.IF LIQUIDS DO NOT EVAPORATE IT MAY BE NECESSARY TO VACUUM OR REMOVE THE LIQUIDS AND DISPOSE OF THEM IN AN ACCEPTABLE METHOD. 6.WHEN CONCRETE WASHOUT SYSTEMS ARE NO LONGER REQUIRED THEY SHALL BE CLOSED AND HOLES, DEPRESSIONS AND OTHER DISTURBANCES ASSOCIATED WITH THE SYSTEM SHOULD BE BACKFILLED, GRADED, AND STABILIZED.