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Home My WebLink Aboutpg. 04 Erosion control PlanPHYSICAL PROPERTY REQUIREMENTS FILTER EFFICIENCY 75% (MIN) TENSILE STRENGTH AT 20% (MAX) ELONGATION EXTRA STRENGTH 50 Ibs. /lin. in. (MIN) STANDARD STRENGTH 30 Ibs. /lin. in. FLOW RATE 0.3 gal. /sq. ft. /min. (min) COMMERCIAL LOT CONSTRUCTION LIMITS Revision EROSION CONTROL PLAN NATIONAL CITY BANK WESTON PARK City of Carmel, Clay Township, Drawn By MFH Design By MFH Hamilton County, Checked By Indiana ENGINEERING, INC. 13110 Promise Rood, Noblesville, IN 46060 Phone: (317) 841 -3141 Fax: (317) 841 -9951 TEMPORARY: WHEAT OR RYE OR, SPRING OATS DORMANT SEEDING: SEED MIXTURES: 2 BU/AC 3 BU /AC TO BE USED DURING PERIODS WHEN SOIL TEMPERATURES ARE T00 LOW FOR SEED GERMINATION, *50' F, APPROX. NOV 15 THRU FEB IN IND.) DURING THIS PERIOD. IF SOIL TEMP. IS BELOW 50', APPLY SEED MULCH AS USUAL. IF SOIL TEMP IS ABOVE 50'. MULCH. THEN APPLY SEED OVER MULCH WHEN SOIL TEMP IS BELOW 50: INCREASE SEEDING RATES 50x. FERTILIZE W /1000 LB 12 -12 -12 /ACRE 30 PERMANENT: LAWN AND HIGH MAINTENANCE KENTUCKY BLUEGRASS CREEPING RED FESCUE OR. PERENNIAL RYEGRASS (TURF TYPE) AND, WHEAT OR RYE ALTERNATE SEED MIXTURE FOR KENTUCKY BLUEGRASS SMOOTH BROME GRASS SWITCH GRASS TIMOTHY PERENNIAL RYEGRASS (TURF TYPE) WHITE OR LADINO CLOVER RYE, WHEAT OR OATS MULCH WITH 1 1 /2 TO 2 TONS STRAW PER ACRE NOTE: Survey and boundary information provided by AMERICAN CONSULTING, INC.. Survey dated 11/15/02. FLOOD MAP INFORMATION FLOOD INSURANCE RATE MAP THE SITE DOES NOT UE WITHIN A FLOODWAY OR FLOODWAY FRINGE PER HAMILTON COUNTY, INDIANA. AND INCORPORATED AREAS, PANEL 215, MAP 18057CO215F. EFFECTIVE DATE FEBRUARY 19, 2003. THE SITE IS ZONED "X BENCHMARK CF S.W. l 6t BOLT TREET WEST OF WALCREENS (MICHI ROAD PROJECT) OF 106th S ELEV 895.60 A CHISELED "X" ON TOP OF CURB ON 5. SIDE NORTHWESTERN DR., 300'* W. OF MICHIGAN ROAD. N. SIDE CURB ISLAND ENTRANCE TO NORTHWEST PLAZA ELEV 891.30 A CHISELED "X" ON S. SIDE CONC. UGHT POLE BASE. S. SIDE PEARSON FORD DEALERSHIP. N. SIDE OF 106th STREET. E. SIDE OF ENTRANCE DRIVE. 400'* W. OF MICHIGAN ROAD. ELEV _898.25 p 15 30 GRAPHIC SCALE 60 120 AREAS: 40 LB /AC 40 LB /AC 170 LB /AC 2 BU /AC DRAINAGE AREAS: 20 LB /AC 10 3 4 10 1 -2 2 BU/AC IN FEET 1 inch 30 ft. COMMERCIAL LOT SEASONAL SOIL PROTECTION CHART STABILIZATION PRACTICE PERMANENT SEEDING DORMANT SEEM IDIPORARY SEEDING SODDING MULCHING /MANN /1/11/ /!A//// '/."r ^�:•.._+:•:.5::.,s i{!�i. %.3G'Y, i ?J.iiGs'1.:?E<5.� "u%f+�Cf,.C�.r'is.�.r9..✓, ✓,:r tY FShT:�,.... <�ur.3 �r�a,s .na?xir,".�r�i.; N�.o. iu_; �,eii xS�, rfF 1: �.�l�.,,;G.r.�r,Nr ii.' )...,.s..r•.'y JAN. FEB. LIAR. 6 APR. MAY JUNE 1/1/ /A /N JULY AUG. SEPT. Ah• OCT. NOV. DEC. A KE OUD(Y BLUEGRASS 100 LBS/ ACRE: CREEPING RED FESCUE 100 LBS/ACRE: PLUS 2 TONS STRAW MULCH/ACRE. OR ADD ANNUAL. RYEGRASS 20 LBS/ACRE FERTLIZE AS RECOMMENDED (ED BY SOL TEST. F TESTING IS NOT DONE, APPLY 400400 LBS./ACRE OF 12 -12 -12 ANALYSIS, OR EQUIVALENT, FER1IRER. B INENTUCKY BLUEGRASS 120 LBS/ACRE: CREEPING RED FESCUE 120 LBS/ACRE: PLUS 2 TONS STRAY/ MULCH /ACRE, OR ADD ANNUAL MORASS 30 LBS/ACRE FERTILIZE AS RECOMMENDED BY SOL ZEST. F TESTING IS NOT DONE, APPLY 400 -600 LBS. /ACRE OF 12 -12-12 ANALYSIS. CR EQUIVALENT, FERTLIZER. C SPRING OATS 3 BUSHELS /ACRE FERTLIZE AS RECOMMENDED BY SOL is F TESTING IS NOT DONE, APPLY 400 -600 LBS/ACRE OF 12 -12-12 ANALYSIS. OR EQUIVALENT, FERTLIZER. D WHEAT OR RYE 2 OUSELS/ACRE FERTLIZE AS RECOMMENCED BY SOL TEST. F TESTING IS NOT DONNE, APPLY 400 -600 LBS. /ACRE OF 12 -12-12 ANALYSIS, OR EQUIVALENT, FERTLIZER. E ANNUAL MORASS 40 LBS/ACRE (1 I3/1000 S0. FL) FERTLIZE AS RECOMMENDED BY SOL TEST F TESTING IS NOT DONE, APPLY 400 -6000 LBS./ACRE OF 12 -12 -12 ANALYSIS, OR EQUIVALENT, FERTLIZER. F SOD 0 STRAW MUCH 2 TONS/ACRE N. IRRIGATION NEEDED DURING JUNE, JULY, AUGUST AND /OR SEPIEINER at MDIGATION NEEDED FOR 2 WEEKS AFTER SUPPLYING SOD EROSION CONTROL SCHEDULE EROSION CONTROL MEASURE STONE ENTRANCE SILT FENCE EXISTING ITN.ET PROTECTION TREE PROTECTION TEMPORARY DIVERSIONS TEMPORARY SEEDING PERMANENT SEEDING EROSION CONTROL MATTING STRAW BALES INLET PROTECTION SEED S00 lc LANDSCAPE AROUND UNITS FINISHED REMOYAL OF $1RAW BALES REMOVAL OF INLET PROTECTION REMOVAL OF SLT FENCE MAINTENANCE AS NEEDED MEEKLY. AFTER STORM EVENTS AND AS NEEDED WEEKLY, AFTER STORM EVENTS AND AS NEEDED WEEKLY. AFTER STORM EVENTS AND AS NEEDED WEEXLY. AFTER STORM EVENTS AND AS NEEDED WATER AS NEEDED WATER AS NEEDED WEEKLY, AFTER STORM EVENTS AND AS NEEDED MEEKLY. AFTER STORM EVENTS AND AS NEEDED MEEKLY, AFTER STORM EVENTS AND AS NEEDED WATER AS NEEDED /A N/A N/A INSTAU.ATION SEQUENCE PRIOR TO CLEARING AND GRADING PRIOR TO CLEARING AND GRADING PRIOR TO CLEARING AND GRADING PRIOR TO CLEARING AND GRADING ALONG MATH ROUGH GRADING AFTER ROUGH GRADING AFTER FINISH GRADING AFTER FNSH GRADING AFTER FINISH GRADING AFTER EACH INLET IS PLACED AFTER FINISHED GRADING AROUND FINISHED UNITS AFTER ALL AREAS DRAINING TO THESE AREAS NE STABLED AFTER ALL AREAS DRAM 10 THESE AREAS ARE STABILIZED AFTER Al AREAS DRAINING TO THESE AREAS ARE STABLED 1 THE AREA BEHIND THE CURB WILL BE SEEDED FOR A DISTANCE OF 25 FEET ONCE THE CURB HAS BEEN BACKFILLED. EROSION CONTROL RIGHT -OF -WAY ;4 4044 4. 4 4 :41 9 r Y/ SF wroppino FILTER FABRIC GRAVEL ENTRANCE SILT FENCE 2 -3" WASHED STONE (INDOT CA. #2) MINIMUM LENGTH 50' STONE DRIVE ENTRANCE DETAIL MANUFACTURER OR SUPPLIER AS CONFORMING TO THE FOLLOWING REQUIREMENTS: SYNTHETIC FILTER FABRIC REQUIREMENTS TI *Iwo] 1 SET POSTS AND ESCAVATE A 4 "X4" TRENCH UPSLOPE ALONG THE LINE OF THE POSTS. ATTACH THE FILTER FABRIC TO THE WIRE FENCING AND EXTEND IT INTO THE TRENCH FILTER FABRIC r an rirs 111W 410.. I 4 +44, P )4r 4 ELEVATION SILT FENCE INLET SEDIMENT PROTECTION (SEE DETAIL) z STAPLE THE WIRE MESH FENCING TO EACH POST END SECTION SEDIMENT PROTECTION (SEE DETAIL) (NOT USED) STAGING AREA (SEE DETAIL NEXT PAGE) CONSTRUCTION LIMITS BACKFILL THE TRENCH AND COMPACT THE EXCAVATED SOIL. LEGEND AREAS TO BE SEEDED BLANKETED OR HYDRO SEEDED (NOT USED) AREAS TO BE SODDED OR SEEDED W/ PERMANENT SEED 05/12/04 ND. WINKS 1. SYNTHETIC FILTER FABRIC SHOULD BE A PERIVOUS SHEET OF PROPYLENE, NYLON, POLYESTER OR ETHYLENE YARN AND SHOULD BE CERTIFIED BY THE 2. BURLAP SHOULD BE 10 OUNCE PER SQUARE YARD FABRIC. 3. POSTS FOR FILTER FENCES SHOULD BE EITHER 4" DIAMETER WOOD OR 1.33 POUNDS PER LINEAR FOOT STEEL WITH A MINIMUM LENGTH OF 5'. STEEL POSTS SHOULD HAVE PROJECTIONS FOR FASTENING WIRE TO THEM. 4. STAKES FOR FILTER FENCES SHOULD BE 1 "X2" WOOD (PREFERRED) OR EQUIVALENT METAL WITH A MINIMUM LENGTH OF 3'. 5. WIRE FENCES REINFORCEMENT FOR SILT FENCES USING STANDARD STRENGTH FILTER CLOTH SHOULD BE A MINIMUM OF 42" IN HEIGHT, A MINIMUM OF 14 GUAGE AND SHOULD HAVE A MAXIMUM MESH SPACING OF 6 CONSTRUCTION 1. THE HEIGHT OF THE BARRIER SHOULD NOT EXCEED 36" (HIGHER BARRIERS MAY IMPOUND VOLUMES OF WATER SUFFICIENT TO CAUSE FAILURE OF THE STRUCTURE). 2. THE FABRIC SHOULD BE PURCHASED IN A CONTINUOUS ROLL CUT TO THE LENGTH OF THE BARRIER TO AVOID THE USE OF JOINTS. WHEN JOINTS ARE NECESSARY, FILTER CLOTH SHOULD BE SPLICED TOGETHER ONLY AT A SUPPORT POST, WITH A MINIMUM 6" OVERLAP, AND SECURELY SEALED. 3. POSTS SHOULD BE SPACED A MAXIMUM OF 10' APART AT THE BARRIER LOCATION AND DRIVEN SECURELY INTO THE GROUND (MINIMUM OF 12 WHEN EXTRA STRENGTH FABRIC IS USED WITHOUT THE WIRE SUPPORT FENCE, POST SPACING SHALL NOT EXCEED 6'. 4. A TRENCH SHOULD BE EXCAVATED APPROXIMATELY 4" WIDE AND 4" DEEP ALONG THE LINE OF POSTS AND UPSLOPE FROM THE BARRIER. 5. WHEN STANDARD STRENGTH FILTER FABRIC IS USED, A WIRE MESH SUPPORT FENCE SHOULD BE FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING HEAVY DUTY 1" WIRE STAPLES, TIE WIRES OR HOG RINGS. THE WIRE SHOULD EXTEND INTO THE TRENCH A MINIMUM OF 2" AND SHOULD NOT EXTEND MORE THEN 36" ABOVE THE ORIGINAL GROUND SURFACE. 6. THE STANDARD STRENGTH FILTER FABRIC SHOULD BE STAPLED OR WIRED TO THE FENCE, AND 8" OF THE FABRIC SHOULD BE EXTENDED INTO THE TRENCH. THE FABRIC SHOULD NOT EXTEND MORE THAN 36" ABOVE THE ORIGINAL GROUND SURFACE. FILTER FABRIC SHOULD NOT BE STAPLED TO EXISTING TREES. 7. WHEN EXTRA STRENGTH FILTER FABRIC OR BURLAP AND CLOSER POST SPACING ARE USED, THE WIRE MESH SUPPORT FENCE MAY BE ELIMINATED. IN SUCH A CASE, THE FILTER FABRIC IS STAPLED OR WIRED DIRECTLY TO THE POSTS WITH ALL OTHER PROVISIONS OF ITEM NO. 6 APPLYING. 8. THE TRENCH SHALL BE BACKFILLED AND THE SOIL COMPACTED OVER THE FILTER FABRIC. 9. FILTER BARRIERS SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED. Altus" 4.) ea "DON'T DIG BLIND" "IT'S THE LAW" INDIANA UNDERGROUND PROTECTION SERVICE, INC. C a l l 1-800-382-5544 2 Working Days Before You Dig. Q �i `��`c. ...,ispsT�ER,. •Cdp,,ice N o. 880573 Q STATE OF �lI111111�� t. ALL GEOTEXTILE BAGS APPROXIMATELY HALF FULL WITH 2 TO 3 INCH STONE OR GRAVEL. 2. AT A POSITION DOWN SLOPE OF THE LOT AND UPSLOPE OF THE INLET, LAY BAGS TIGHTLY IN A ROW CURVING UPSLOPE FROM CURB AND AWAY FROM INLET. 3. OVERLAP BAGS ONTO THE CURB AND EXTEND A MIN- IMUM OF 3 FEET INTO THE STREET. GAP BETWEEN BAGS ACTS AS A SPILLWAY 4. FOR ADDITIONAL LAYERS, OVERLAP BAGS WITH THE ROW BENEATH, AND LEAVE A ONE BAG GAP IN THE MIDDLE OF THE TOP ROW TO SERVE AS A SPILLWAY. 5. PLACE BAGS IN AN ARC AROUND CURB INLETS THAT ARE IN A SUMP POSITION. 6. SET UP SAFETY/TRAFFIC BARRIERS TO KEEP VEHICLES FROM HITTING BAGS, CAUSING POSSIBLE INJURY. 7. INSPECT AND REPAIR AS NEEDED. AND REMOVE ANY ACCUMULATED SEDIMENTS AFTER EVERY STORM. TRENCH WIDTH BALE t.... FU1=ll1 E 14_---I I�.I 111 1 ►1 111 11 PLAN EROSION CONTROL MEASURES AND SCHEDULE 1, CONTRACTOR SHALL INSTALL ALL REQUIRED SILT FENCES, SILT TRAPS, TREE PROTECTION AND INLET PROTECTION FOR EXISTING INLETS ON PRIVATE DRIVE PRIOR TO THE START OF ANY EARTH MOVING OR STRIPPING. 2. CONTRACTOR SHALL INSTALL A STONE CONSTRUTION ENTRANCE OR SOME OTHER APPROVED ENTRANCE PRIOR TO THE START OF EARTHWORK AS NECESSARY TO PREVENT SOIL FROM BEING TRACKED OR WASHED ONTO EXISTING ROADWAYS. LAND ALTERATIONS WHICH STRIP THE LAND OF VEGETATION, INCLUDING REGRADING, SHALL BE DONE IN A WAY THAT WILL MINIMIZE EROSION, WHENEVER POSSIBLE, NATURAL VEGETATION SHALL BE RETAINED AND PROTECTED ALONG THE SOUTH EAST PROPERTY LINES. WHEN GRADING IS COMPLETED, INSTALL SILT TRAPS, SILT FENCES, SLOPE DRAINS, TEMPORARY DIVERSIONS AND OTHER RUNOFF CONTROL MEASURES AT APPROPRIATE LOCATIONS TO KEEP SEDIMENT CONTAINED ON SITE. 4. ALL DISTURBED AREAS SHALL BE SEEDED AND STRAW MULCHED AS SHOWN ON THE PLANS IMMEDIATELY AFTER COMPLETION OF GROUND ACTIVITY. THIS SEEDING CAN BE COMPLETED IN PHASES AS THE DIFFERENT AREAS OF THE SITE ARE COMPLETED. 5. PERMANENT AND FINAL VEGETATION OR STRUCTURAL EROSION CONTROL DEVICES SHALL BE INSTALLED AS SOON AS PRACTICAL UNDER THE CIRCUMSTANCES. 6. THE DURATION OF TIME WHICH AN AREA REMAINS EXPOSED SHALL BE KEPT TO A PRACTICAL MINIMUM DEPENDING UPON THE WEATHER. IF CONSTRUCTION ACTIVITY IS TO CEASE FOR MORE THAN TWO WEEKS, THE DISTURBED AREAS SHALL BE TEMPORARILY SEEDED. 7. ALL STORM SEWER INLET PROTECTION DEVICES SHALL BE PUT IN PLACE AT THE TIME EACH INLET IS CONSTRUCTED. 8. CONTRACTOR SHALL MAINTAIN EROSION CONTROL MEASURES AND DEVICES DURING CONSTRUCTION AND UNTIL SILTATION OF THE STREETS AND STORM SEWERS WILL NO LONGER OCCUR. 9. ONCE ONSITE EROSION AND SILTATION OF THE STREETS AND STORM SEWERS WILL NO LONGER OCCUR. THE CONTRACTOR SHALL REMOVE AND DISPOSE OF THE TEMPORARY EROSION CONTROL DEVICES. 10. THESE GENERAL PROCEDURES MAY NOT COVER ALL SITUATIONS. REFER TO EROSION CONTROL PLANS FOR SPECIFIC NOTES AND ADDITIONAL DETAILS. 11. EROSION CONTROL IS TO COMPLY WITH INDIANA 327 IAC AND RULE 5, AND INDIANA HANDBOOK FOR EROSION CONTROL IN DEVELOPING AREAS. 12. THE FIELD INSPECTOR FOR SOIL AND WATER CONSERVATION DISTRICT HAS THE AUTHORITY TO REQUEST ADDITIONAL EROSION CONTROL MEASURES OR AMEND EROSION CONTROL PLANS SUBJECT TO ACTUAL SITE CONDITIONS. 13. THERE ARE NO AREAS ON SITE WHERE STORMWATER MAY ENTER GROUNDWATER. 14. THERE SHALL BE NO DIRT OR DEBRIS IN THE STREET. 15. CONTRACTOR SHALL INSTALL A STONE STAGING AREA PRIOR TO THE START OF EARTHWORK AS REQUIRED BY RULE 5 TO LIMIT THE AREAS OF POTENTIAL SOIL CONTAMINATION DURING THE CONSTRUCTION PROCESS. 1 ELEVATION POINTS "A" SHOULD BE HIGHER THAN POINT "B" GRAVEL BAGS OVERLAP ONTO THE CURB ESCAVATE A TRENCH 4" DEEP AND THE WIDTH OF A STRAW BALE. RUNOFF CURB INLET PROTECTION DETAIL STRAW BALE 3 WEDGE LOOSE STRAW BETWEEN BALES TO CREATE A CONTINUOUS BARRIER. COMPACTED BACKFILL-N DRAINAGE WAY WOOD OR STEEL STAKE STRAW BALE BARRIER 3 FT. (MIN.) l PLACE AND STAKE STRAW BALES, TWO STAKES PER BALE. INDING WIRE OR TWINE 4 BACKFILL AND COMPACT THE EXCAVATED SOIL AS SHOWN ON THE UPHILL SIDE OF THE BARRIER TO PREVENT PIPING. _-71 i f l I:IIII A" EROSION CONTROL MEASURES MAINTENANCE REQUIREMENTS STRAW BALE DAM MAINTENANCE REQUIREMENTS 1. INSPECT STRAW BALE DAMS AFTER EACH STORM EVENT AND PROMPTLY REMOVE ANY SEDIMENT DEPOSITS. 2. INSPECT PERIODICALLY FOR DETERIORATION OR DAMAGE FROM CONSTRUCTION AND REPAIR IMMEDIATELY. 3. AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED, REMOVE ALL STRAW BALES AND SEDIMENT, BRING THE DISTURBED AREA TO GRADE, AND STABILIZE. SILT FENCE MAINTENANCE REQUIREMENTS 1. INSPECT SILT FENCE AFTER EACH STORM EVENT. 2. IF FENCE FABRIC TEARS OR BECOMES INEFFECTIVE, REPLACE THE AFFECTED AREA IMMEDIATELY. 3. REMOVE SEDIMENT WHEN IT REACHES HALF THE HEIGHT OF THE FENCE AT ITS LOWEST POINT OR IS CAUSING THE FABRIC TO BULGE. 4. AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED, REMOVE ALL FENCE AND SEDIMENT, BRING THE DISTURBED AREA TO GRADE, AND STABILIZE. TEMPORARY SEDIMENT TRAP MAINTENANCE REQUIREMENTS 1. INSPECT TEMPORARY SEDIMENT TRAP AFTER EACH STORM EVENT. 2. REMOVE SEDIMENT WHEN IT HAS ACCUMULATED TO ONE -HALF THE DESIGN DEPTH. 3. REPLACE SPILLWAY GRAVEL FACING IF CLOGGED. 4. INSPECT VEGETATION, AND RE -SEED IF NECESSARY. 5. PROMPTLY REPLACE ANY DISPLACED RIPRAP. 6. AFTER ALL DISTURBED AREAS HAVE BEEN STABILIZED, REMOVE THE STRUCTURE AND SEDIMENT, BRING THE DISTURBED AREA TO GRADE, AND STABILIZE. CURB INLET SEDIMENT BARRIER MAINTENANCE REQUIREMENTS 1. INSPECT CURB INLET SEDIMENT BARRIER PERIODICALLY AND AFTER EACH STORM EVENT AND REPAIR IF NEEDED. 2. REMOVE SEDIMENT WITHOUT FLUSHING, WHEN IT REACHES HALF THE HEIGHT OF THE BARRIER. 3. DEPOSIT SEDIMENT WHERE IT WILL NOT ENTER STORM DRAINS. EROSION CONTROL BLANKET MAINTENANCE REQUIREMENTS 1. INSPECT EROSION CONTROL BLANKET PERIODICALLY AND AFTER EACH STORM EVENT. 2. IF ANY AREA SHOWS EROSION, ADD SOIL AND RE -SEED THE AREA, RE -LAY AND STAPLE THE BLANKET. 3. AFTER VEGETATIVE COVER IS ESTABLISHED, CHECK THE AREA PERIODICALLY. TEMPORARY CONSTRUCTION ENTRANCE MAINTENANCE REQUIREMENTS 1. INSPECT ENTRANCE WEEKLY AND AFTER EACH STORM EVENT OR HEAVY USE. 2. RESHAPE ENTRANCE AS NEEDED FOR DRAINAGE AND RUNOFF CONTROL. 3. ADD CLEAN STONE AS NEEDED. 4. IMMEDIATELY REMOVE MUD AND SEDIMENT TRACKED OR WASHED ONTO PUBLIC ROADS BY BRUSHING OR SWEEPING. FLUSHING SHOULD ONLY BE USED IF THE WATER IS CONVEYED INTO A SEDIMENT TRAP OR BASIN. 5. REPAIR ANY BROKEN ROAD PAVEMENT IMMEDIATELY. EROSION CONTROL BLANKET WITH AMERICAN GREEN S150 OR EQUAL FOR SECURING THE BLANKET. USE USE EROSION CONTROL BLANKET. DETAIL E /:204 1. FILL GEOTEXTILE BAGS APPROXIMATELY HALF FULL WITH 2 TO 3 INCH STONE OR GRAVEL. 2. OVERLAP BAGS AROUND INLET AND EXTEND A MIN- IMUM OF 3 FEET AWAY FROM CASTING. 3. FOR ADDITIONAL LAYERS, OVERLAP BAGS WITH THE ROW BENEATH, AND LEAVE A ONE -BAG GAP IN THE MIDDLE OF THE TOP ROW TO SERVE AS A SPILLWAY. 4, PLACE BAGS IN AN ARC AROUND INLETS THAT ARE IN A SUMP POSITION. 5. SET UP SAFETY /TRAFFIC BARRIERS TO KEEP VEHICLES FROM HITTING BAGS, CAUSING POSSIBLE INJURY. 6. INSPECT AND REPAIR AS NEEDED, AND REMOVE ANY ACCUMULATED SEDIMENTS AFTER EVERY STORM. INLET PROTECTION DETAIL 1. PREPARE SOIL BEFORE INSTALLING BLANKETS, INCLUDING APPLICATION OF LIME, FERTILIZER AND SEED. 2. BEGIN AT THE TOP OF THE CHANNEL BY ANCHORING THE BLANKET IN A 6" DEEP x 6" WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING 3. ROLL CENTER BLANKET IN DIRECTION OF WATER FLOW ON BOTTOM OF CHANNEL. 4. PLACE BLANKETS END OVER END (SHINGLE STYLE) WITH A 5" OVERLAP. USE A DOUBLE ROW OF STAGGERED STAPLES 4" APART TO SECURE BLANKETS. NOTE: DRAWING IS FOR EROSION CONTROL ONLY VARIES, SEE GRADING PLAN 2 0 NOTES FOR INSTALLATION (SWALE) TYPICAL SECTION FABRIC OVER THE CASTING INLET CONTRACTOR SHALL SURROUND ALL EXISTING DRAINAGE STRUCTURES W/ SAND BAGS THESE SILT CONTROL DEVICES MILL BE MAINTAINED BY THE CONTRACTOR UNTIL ENGINEER AUTHORIZES REMOVAL WHERE STRUCTURES ARE PLACED IN PAVED SURFACE AREAS, EROSION CONTROL MEASURE'S CAN BE REMOVED WHEN PAVING IS STARTED IN THE AFFECTED AREA. TOP VIEW SAND BAGS 5. FULL LENGTH OF BLANKETS AT TOP OF SIDE SLOPES MUST BE ANCHORED IN 6" DEEP x 6 WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPUNG. 6. BLANKETS ON SIDE SLOPES MUST BE OVERLAPPED 4" OVER THE CENTER BLANKET AND STAPLED. 7. THE TERMINAL END OF THE BLANKETS MUST BE ANCHORED IN A 6" DEEP x 6" WE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. D ate February 16, 2004 Job No. Scale Sheet N 135.0 1 20' 4 OF 11