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HomeMy WebLinkAboutC521 - ROSION CONTROL DETAILS0 CPGtlFlC�T(M1C CON1RIBlITNG �RAINAGE AREA • TYO ACRES MAXIMUM.. RIPRAP CHECK �AM • DAM HBGHT - TWO FEET MA%IMIIM; CENTER OF RIE OHM TO BE AT LEAST NME INCHES LOWER TIAN THE POINTS OF CONTACT BETNEEN THE IIPPERMOST POINTS OF TIE RIPRAP OHM AND CHANNEL BANKS. • SIDE SLOPE - RATO OF 2:1 OR FLATIER. • SPACING - TOE OF THE UPSIREAM �AM AT SAME ELEVATION AS OVERFLOW WEIR OF RIE DOWNSIREAM DAM. OVERFLOW nREnS • SiABILIZED TO REOOCE SCOOR/EROSION ALONC SIOES AND BELOW TVE OAM. FlLTER AIEDIOM • PLACED ON lIP-SLOPE SIDE OF DAA1. • HEIGHT - TO BASE OF OVERFLOW WEIR NOTCH. MAiERIALS • cEorExn�c Fneaic (a our�cc oa HEnvicR; NON-wovcu). • INDIANA DEPARTMENT OF TRANSPORTATION REVETMENT RIPRAP FOR DAM. • INDOT CA N0. 5 AGGREGAIE FOR USE AS FlLTER MEOWM (AGGREGAiE MUST BE WELL-GRA�E�). NOIB INDOT CA N0. 8 AGCFECAIE IS ACCEPTABIE IF N0. 5 IS NOT AV/JLABLE 1HE USE OF N0. 8 �GCREGAIE MAY RESULT IN MORE FREWENT OKRTOPPINC OF 1HE 511lUCNFE AND N1LL INCRE�SE 1HE FREWENCY OF SiRI1CNRE MAINIENANCE. werui�nrw L LAY OUT 1HE LOCAl10N OF THE CHECK DAM. 2 EXCAVAIE A CUTOFF TRENCH INTO 1HE CHANNEL BOTTOM AN� �ITCH BANKS, EXiEN�ING R A MINIMOM OF 18 INCHES BEYON� 1HE TOP OF THE DRCH BANK. 3. INSTALL AND ANCHOR FlLIER FABRIC IN 1HE CHANNEL AN� COIDFF 1RENCH. 4. PLACE RIPRAP IN 1HE CUTOFF iRENCH AND CHANNEL TO 1HE LINES AND DIMENSIONS SHOWN IN THE CONSiRUCTION PLANS. 1HE CENIER OF EACH DAM MOST BE AT LEAST NME INCHES LOWER THAN THE UPPERMOST POINTS OF CONTACT BETl4EEN THE RIPRAP DAM AND CHANNEL BANNS. 5. EXIEND THE RIPRAP AT LEAST 18 INCHES BEYOND THE TOP Oi THE CHANNEL BANKS TO KEEP OVERFLOW FROM EROOING AREAS A�JACENT TO THE CHANNEL BANKS BEiORE IT RE-EMERS THE CHANNEL. 6. PLACE FILiER MEDIUM QNDOT CA N0. 5 AGGREGATE) ON THE UP-SLOPE SIOE OF iHE DAM. PLACE FILiER MEDIUM OVER iHE ENiIRE FACE OF 1HE �AM UP TO 1HE BASE OF 1HE OVERFLOW WEIR NOTCH. J. STABILIZE 1HE CHANNEL A90VE iHE UPPERMOST DAM. 8. INSTALL AN EROSION-RESISTANT LINING IN 1HE CHANNEL 9ELOW THE LOWERMOST DAM. 1HE LINING SHOULD EXIEND A MINIMUM DISTANCE OF 51% FEET BELOW THE OAM. 9. AODRIONAL SEOIMENT STORAGE CAN BE PROVIDED BV E%CAVATING A SMALL SEDIMENT iRAP ON iHE UPSiREAM SIDE OF iHE CHECK OAM. �� • INSPECT NITHIN 24 HOURS OF EACH RAW EVENT ANO AT LEAST ONCE EVERY SEVEN CALENDAR DAYS. • IF SIGNIFlCANT EROSION OCCURS BETWEEN DAMS.INSTALL AN EROSION-RESISTANT LINER IN THAT PORPON OF THE CHANNEL. 3 3a 2:1 OR FLATTER REVEiMENi RIPRAP gmir+c mEancanor�s SEEDBED PREPARAiION TABLE 1. PERMANENT SEEDING RECOMMENDATIONS • GRA�E ANO APPLY SOIL AMENDlAENTS. T115 TABLE PROVIDES SEVERAL SEEO AIIXTURE OPilONS. SEEDWG GREOUENCY ADDITIONAL SEED MIXIDRES ARE AVAILABLE COMAIERCIALLY. • SEED FINAL GRADED AREAS �AILY WHILE SOIL IS STILL LOOSE AND IAOIST. WNEN SELECTWG A MIXIURE, CONSIOER INTENOED LAND USE AN� SIIE CON�IPONS, INCWOING SOIL PROPERTIES (E.G., SOIL �ENSITY OF VEGETATVE COVER pH AND DRAINAGE), SLOPE ASPECL ANO iHE TOl£RANCE OF • NMETY PERCENT OR GREAIER OVER THE SOIL SURFACE EACH SPEQES TO SHA�E AND DROUGHT MATERIALS OPEN LOW-MAINTENANCE AREAS • SOIL AAIENOMENTS - SELECT MAIERIALS AND RAlES AS OETERlAWED BY A SOIL (REMAINING IDLE MORE iHAN 51X MONiHS) TEST (CONTACT VOUR COUNTY SOIL AN� WATER CONSERVAiION �ISIRICT OR RATE PER ACRE COOPERAIIVE EXIENSION OFFlCE FOR ASSISTANCE AND SOIL WFORMATION, SEED MI%lURES OPPMUM SOIL pH INCLU�ING AVAILABLE SOIL iESIING SERVICES) OR 400 TO 600 POUN�S OF PURE LWE SEEO 12-12-12 ANALYSIS FERTILIZER. OR EQUIVALENT CONSIDER iHE USE OF REDUCED �, PERENNIAL RYEGRASS l0 LBS. PHOSPHOROUS APPLICATION WHERE SOIL TESTS IN�ICAIE ADEOUATE WHITE CLOVER' 2 L9S S6 TO J.0 PHOSPHOROUS LEVELS IN THE SOIL PROFlLE 2. PERENNIAL RYEGRA55 �0 LBS. • SEED - SELECT APPROPRIATE PLANT SPEQES SEED OR SEE� MIXTURES ON THE rpLL FESCUE" W LBS 5.6 ID ZO BASIS OF SOIL TYPE SOIL pH. REGION Oi THE STATE TIME OF YEAR. AND INIENDED LANp USE OF iHE AREA t0 BE SEEDE� (SEE tABLE 1). d. TALL PESCUE** �0 LBS SS TO J.5 • MOLCH - S1RAW, HAY, W00� FIBER, EtG (ID PROtECt SEE�BE�, REtAIN WHITE CLOVER* 2 LBS. MOISIDRE, AN� ENCOURAGE PLANi GROWM). ANCHORE� ID PREVENi REMOVAL SIEEP BANKS AN� Cl1iS, LOW-MAINIENANCE AREAS 9Y WIN� OR WAIER OR COVERE� WItH PREMANOFACIDRE� EROSION WNiROL �NOT MOW£�J 9LANKEIS. SEE� MI%TURES RATE PER ACRE OPTIMUM SOIL pH SEIDING MPL1CATp15 PURE LIVE SEEO SRE PREPARATON 1.SMOOIH BROME GRA55 35 LBS. 1. GRA�E iHE SIIE ID ACHIEVE POSItIVE �RAINAGE. RED CLOVER' 20 LBS. SS TO J.0 2 A�� tOP501L ID ACHIEVE NEE�E� �EPiH FOR ESiA9LI5HMEM OP VEGETAtION. g tqLL FESCUE" 50 L95. (COMPOST MAIERIAL MAY BE AODE� TO IMPROVE SOIL MOISiORE HOIDING WHItE CLOVER� 2 LBS 5.5 TO ].5 CAPAQTV, SOIL FRIABILITV, AND NUIRIEM AVAILABILITV.) �. TqLL FESCOE"" 50 LBS. RED CLOVER� 20 LBS. 5.5 TO ).5 SEEDBE� PREPARATION 4. ORCHAR� GRA55 EO L95. 1. TEST SOIL TO �EiERMME pH AN� NUTRIENT LEVELS. RED CLOVER^ 20 L95. 5.6 TO J.0 2 APPLY SOIL AMENDMENTS AS RECOMMENDEO BY 1HE SOIL lEST AND WORK INTO µ�ryliE CLOVER" 2 LBS. rHE uaaER rwa ro roua iNCHEs oF soi�. ir hsnNc is Nor ooNc, naa�r aoa s. caowrvvErcN• iz �es. TO 600 POUN�S PER ACRE OF 12-12-12 ANALYSIS FERTWZER, OR EOUIVALENT. 7qLL FESWE" 3p �g5. 5.6 TO J.0 b. TILL THE SOIL TO OBTAIN A OWFORM SEE�BE�. USE A OISK OR RAKE, OPERATEO ACROSS THE SLOPE TO WORK THE SOIL AMENOMENTSIMO THE UPPER TWO TO FOOR INCHES OF iHE SOIL LAWNS AND HIGH-IAAINTENANCE AREAS RAtE PER ACRE SEEDING SEE� MIXTURES OPTIMUM SOIL pH PureE uvE scco OPIIMUM SEEDING �ATES ARE MARCH 1 TO IAAV 10 AND AIIGUST 10 TO SEPIEMBER � BWEGRA55 t40 LBS SS TO J.0 E0. PERMANENT SEEDING DONE BETWEEN MAY 10 AN� AUGOST 10 MAV NEED TO BE IRRIGATE�. SEE�ING OOTSIDE OR BEYON� OPTIMUM SEE�ING DATES IS STILL POSSIBLE 2. PERENNIAL RYEGRASS 60 LBS. S.fi TO J.0 N11H R1E UNDERSTANDING iHAT RESEEDING OR WERSEE�ING MAY BE REp01RE� 6 TORF TYPE) 90 LBS. A�EOUAIE SURFACE COOER IS NOT ACHIEVE�. RESEE�ING OR OVERSEE�ING CAN BE 3. TALL FESCUE 1]0 LBS. EASILY ACCOMPLISHE� IF THE SOIL SURFACE REMAINS WELL PROiECIE� N1R1 MULCH. �nRF TYPE)" 30 L95. 5.6 TO 1.5 1. SELECT A SEEOING MI%NRE AND RAIE FROM TABLE 1. SELECT SEED MIXIDRE BLUEGRA55 BASED ON SITE CONDIl10NS, SOIL pH,INTEN�ED LAND USE, ANO E%PECTE� LEVEL OF MAMIENANCE. 2 APPLY SEE� UMFORMLY PoTH A �RILL OR COLTIPACKER SEE�ER OR BV BROA�CASPNG. PLAM OR COVER THE SEE� TO A �EPTH OF ONE-FOURIH TO ONE-HALF INCH. IF DRILLING OR BROADCASTING THE SEEq ENSORE G000 SEED-TO-SOIL WNTACT BY FlRIAING, THE SEEDBED N1iH A ROLLER OR CULiIPACKER APiER COMPLETING SEEOING OPERAlIONS QF SEEDING IS DONE WITH A N1'�ROSEEDER, FERTILRER AN� MULCH CAN BE APPLIEO WITH THE SEE� IN A SLURRY MIXIURE.) b. MULCH ALL SEEDE� AREAS AND USE APPROPRIAiE MElH0�5 TO ANCHOR 1HE MULCH IN PLACE. WNSIDER USING EROSION CONTROL BLANKEiS ON SLOPING AREAS ANO WNVEYANCE CHANNELS. $�eus•r_iF • INSPECT WIiHIN 24 HOURS OF EACH RAW EVENT AN� AT LEAST ONCE EVERY SEVEN CALENDAR DAYS UNTIL 1HE VEGETAPON IS SUCCESSNLLY ESTABLISHED. • CHARACTERISiICS OF A SUCCESSFUL STAND INCLUOE VIGOROUS �ARK GREEN OR BLUISH-GREEN SEEOLINGS WIiH A UWFORM VEGETA➢VE COVER DENSITV OF 90 PERCENT OR MORE. �FOR BESi RESOLTS: (A) LEGIIME SEED SHOUL� BE NOlES: 1. AN OAT OR WHEAT COMPANION OR NURSE CROP MAV BE USED N11H ANV OF THE ABOVE PERMANENT SEE�ING MI%IDRES, AT 1HE iOLLONING RAlES: A. SPRING OATS - ONE-FOURiH TO THREEFOURiHS BUSHEL PER ACRE B. WHEAT - NO MORE 1HAN ONE-HALF BUSHEL PER ACRE z. n HicH ao�Hnn� roR FERnuzEa, sEEo, nNo uu�cH ro wnsH Exisis oN WB DEVELOPMENT PARTNE s�Ea enNks, curs, nNo iN cHnr�r�E�s nNo nacns or coNCEr�mnho r�ow. 4441 W AIRPORT FREEWAY uu�n� snEancnnar�s SUITE 330 Mnreain�s IRVING, TEXAS 75062 rne�e i. s�oae s�ear�ess aesreicnor�s pHONE: (214) 699-5137 MAiERIAV RAIE PER ACRE COMMENTS SHOUL� BE �RT, FREE OF IIN�E5IRABLE SEE�S. SiRAW OR HAT 2 TONS SPREA� BY HAN� aR MACHWE. MOSt BE CRIMPED OR ANCHORED SEE TABLE 2. WOOD FIBER � T0N APPLV N1iH A HY�RAULIC Ml1LCH OR CELLULOSE MACHWE AN� USE 1NTH TACKING AGENT. 'MULCHING IS NOT REWMMENDEO IN CONCEN1RAlED FLOWS. CONSIDER EROSION CONIROL BLANKEIS OR OiHER STABILIZAlION MEiHODS. COVERAGE • 1HE MOLCM SHOl1LD HAVE A ONIFORM DENSITY OF AT LEAST )5 PERCENT OVER RIE SOIL SORFACE. ANCHORING TABLE 2. MULCH ANCHORING ME1H0�5 ANCHORING METHOD* HOW TO APPLV MOLCH ANCHORING TOOL OR CRIMP OR PUNW iHE STRAW OR HAY TWO FARM DISK (�ULL, SERRATED, Tp FOOR INCHES INTO THE SOIL OPERAIE AN� BLA�ES SET SiRAIGHT) MACHWERV ON THE CONTOUR OF THE SLOPE. 0.EAPNG WIiH OOZER OPERAtE �OZER UP AN� �OWN SLOPE ID TRACKS PREVENi FOftMAPON OF RILLS BT �OZER CL£At5 W00� HYDROMULCH FIBERS APPLY ACC�R�ING ID MANUFACTURER'S RECOMMENDATIONS. SVNTHEPC TACKIFlERS. APPLY ACCORDING TO BIN�ERS. OR SOIL STABILIZERS MANUFACTURER'S RECOMMENDAPONS. INStALL NEITINC IMME�IAtELT AFtER APPLYING MOLCH. ANCHOR NETfING 1NT1 StAPLES E�GES OF NEttING S1RIP5 SHOIIL� OVERLAP WRH NETTING (SYNiHEiIC OR EACH OP-SLOPE S1RIP OVERLAPPING FOIIR i� BIODEGRAOABLE MAIERIAL) SIX INCHES OVER iHE A�JACENT �OWN-SLOPE SiRIP. BESt SOItE� ID SLOPE APPLICAtI0N5. IN MOSt INStANCES, INStALLAIION �EtAILS ARE SITE SPEqFlC, 50 MANUfACIDRER'S RECOMMENDATIONS SHOULO BE FOLLOWEO. 'ALL FORMS OF MIILCH MlISi BE ANCHORE� ID PREVENT �ISPLACEMENi BT WN� AN��OR WAIER. 3. ANCHOR SiRAW OR HAV Ml1LCH IMME�IAtELT AFtER APPLICATON. THE Ml1LCH CAN 9E ANCHORE� 1I51NG ONE �i iHE MEiH0�5 LISIE� BELOW: o. CRIMP WItH A MOLCH ANCHORING IDOL, A WEIGHIE� FARM �ISK WIIH �IILL SERRAtE� BLA�ES SEt SiRAIGHt, OR iRACK CLEATS OF A euuoozere, b. APPLV HT�RAOLIC MIILCH WItH SHORt CELWLOSE FI9ERS, . APPLV A L1011l� tACKIRER, �R d COVER WITI NETIING SECIIRE� BV StAPLES. • CHECK FOR EROSION OR MOVEMENT OF MULCH. INOCULNIED; (BJ SEEOING MI%TURES CONTAINING LEGUMES MLLW Y4N1EN1NC£ FlLTER MEOIUM �/9 STONE • REPAIR DAMAGED, BARE, GULLIED, OR SPARSELV VEGETAIED AREAS AND 1HEN SHOULD PREFERABLV 9E SPRING-SEEDED, HLTHOUGH THE • INSPECt 1hiHW 24 HOl1R5 OF EACH RAM EVENt AN� At LEASt ONCE EVERV (1' MIN. THICKNESS) i0 9E FERTILRE, RESEE�, AND APPLV AND ANCHOR MOLCH. GRNSS MHV 9E FALL-SEEDE� AND iHE LEGUME FROST-SEEDED; SEVEN CALENOAR oAYS. IF PLANT COVER IS SPARSE OR PATCHY, EVALUATE 1HE PLANT MAIERIALS • CHECK F�R EROSION OR MOVEMENt OP MOLCH; REPAIR �AMAGE� AREAS, INSiALLE� ON THE ENPREtV � AND (C) IF LEGUMES ARE PALL-SEEDED, DO SO M EARLY PALL pESEE�, APPLT NEW MIILCH AN� ANCHOR iHE MIILCH IN PLACE. OF R1E UP-SLOPE SIDE OF CHOSEN, SOIL FERIILRY, MOISTURE CONDIlION, ANO MOLCH APPLICAPON: REPAIR 1HE CHECK DAM. AFFECIED AREAS EIiHER BY OVERSEE�ING OR PREPARING A NEW SEEOBED AN� r�7qLL FESCUE PROUi�ES LITILE COVER FOR, ANO MAY BE • CONtINOE INSPECtI0N5 ONtIL VEGEtAtION IS FIRMLY EStABLISHE�. RESEEDINfl APPLV ANO ANCHOR MOLCH ON iHE NENLY SEEDEO AREAS. TOXIC TO SOME SPECIES OF NILOLIFE THE INDIANA IF EROSION IS SEVER OR RECIIRRING, OSE EROSION CONiROL 9LANKETS aR • IF VEGETATION FAILS TO GROW, WNSIOER SOIL TESTING TO �EIERMINE SOIL pH DEPARTMEM OF NATORAL RESOURCES RECOGNIZES 1HE NEED • OIHEF MORE SIl9StANtIAL StABILIZAtION ME1H0�5 10 PROtECt 1HE AREA. OR NUiRIENt DEFlQENCY PROBLEMS (CONtACi VOUR SOIL AND WAiER FOR A�DRIONAL RESEARCH ON ALTERNATIVES SUCH AS CONSERVATION DISiRICT OR COOPERAiIVE E%TENSION OGFlCE POR ASSISTANCE.) BIIFFALOGRASS, ORCHAR�GRA55, SMOOTH BROMEGRASS, AN� • IF ADOIiIONAL FERTWZAiION IS NEEDED TO GET A SAT6FACTORY STAND, 00 SO SWITCHGRASS. THIS RESEARCH,IN CONJUNCPON WRH ACCORDING TO SOIL lEST RECOMMENDATIONS. DEMONSTRATION AREAS, SHOULD FOCUS ON EROSION CONTROL • A�D FERTWZER iHE FOLLOWWG GROWING SEASOR FERiILIZE ACCOROING i0 SOIL CHARACiERI511C5, 1NL�LIFE TOXICRY, IDRF DISABILITV, AND TEST RECOMMENDATIONS. DROUGHT RESISTANCE. • REMOVE ACCUMULAiED SEOIMENT WHEN R REACHES ONE-HALF THE HEIGHT OF 1HE �AM TO - MAINTAIN CHANNEL CAPACRY. ALLOW DRAINAGE THROUGH iHE DAM. AND PREVENT LARGE FLOW A B FROM DISPLAQNG SEDIMENT. • AOD RIPRAP AND AGGREGAiE AS NEEOED TO MAINTAIN OESIGN HEIGHT AND CRO55 SEClION OF A---------- B iHE DAMS. � • WHEN DAMS ARE NO LONGER NEEDED. REMOVE lHE RIPRAP AN� AGGREGAIE AND STABILIZE THE / / / / / CHANNEL, 1I51NG AN EROSION-RESISIANI LININC IF NECESSART. (RIPRAP AN� AGGREGAtE FROM p_ CREST OP �AM iHE DAM MAY BE REMOVED OR IITLIZED TO STABILIZE 1HE CHANNELJ B= TOE OF �AM NOIE: DO NOT USE CHECK DAMS IN PERENNIAL SIREAMS. ROCK CHECK DAM Nor To scn�E (aEv. oa/ie) �RAIN PIPE N11H FLARED END SECTION TOP Oi APRON LEVEL R1TH RECEINNG CHANNEL n� = naaoN �ENCTM (rEcr) nw = aaaor� vnoTM (FCEr) AT = APRON THICKNESS (FEET) NOIE: AW IS THE APRON PoDTH AT THE NnRaow ENo oF TME naaoN. CAPAQTYTw_ • PEAN RUNOFF iROM A 10-YEAR FREWENCV, 24-HOUR STORM EVENT OR iHE OESIGN DISCHARGE OF THE WATER CONVEVANCE STROCIDRE, WHICHEVER IS GREATER. MAXIMUM VELOQTY • lEN iEET PER SECOND. APRON • ALIGNE� SIRAIGHT VAIH CHANNEL FLOW.IF A CURVE IS NECESSARY TO ALIGN R1E APRON N1iH 1HE RECEIVING SIREAM, LOCAiE 1HE CURVE M THE UPSiREAM SEClION OF THE APRON. • 1HICKNE55 •• L2 TIMES THE MA%IMUM STONE DIAMETER FOR A d3oSTONE SIZE OF 15 INCHES OR LARGER. •• LS TIMES THE MA%IMUM STONE DIAMETER FOR A dyoSTONE SIZE OF 15 INCHES OR LESS. iABLE 1. SZING GOR FLOW DISSIPATERS Ai CULVERT PIPE OURETS INSTLLL�TON 1. OIVERT SORFACE WAIER RUNOFF AROUND ME SIRUCTURE DURING CONSIRUCTION 50 TIAT TiE MEDIAN RIPRAP SIIE CAN BE PROPERLV DEWAlEREO GOR FOONOATION PREPARA➢ON. PIPE SRE DIAMEtER APRON WIDTH' APRON LENGTH" 2 EXCAVAIE FOUNDATION AN� APRON AREA SUBGRADES BELOW DESIGN ELEVATION TO ALLOW GOR THIS iHICKNE55 OF RLTER MEDIUM AN� RIPRAP. B IN. 6 IN. MIR 2 ID 3 Ft 5 ID] Ft E. COMPACT ANY FlLL USED IN SUBGRADE PREPARATON TO THE DENSITY OF SORROUNDING UNOISTURBED SOIL MATERIAL. 12 IN. 6 IN. MIN. 3 TO 4 FT. 6 TO ID FT 4. SMOOTH SUBGRA�E ENOUGM TO PROIECT GEOiE%iILE FABRIC FROM iEARING. 15 IN. 6 IN. MIN. 4 TO 6 FT. 6 TO 12 FL 5. PLACE GEOIEXIILE FABRIC OR AGGREGAIE BED�ING MATERIAL (FOR STABILIZAl10N AND FlL1RAlI0N) ON iHE COMPACTE� ANO SMOOIHE� FOUN�ATION. 10 IN. 6 IN. MIN. 4 i0 6 FT. 8 TO 16 FT. 6. MSTALL RIPRAP TO THE LWES AN� ELEVAlIONS SHOWN IN 1HE CONSTRl1Cl10N PLANS. BLEND 21 IN. 6 IN. MIN. 6 TO 8 FT. 8 TO 16 FT. RIPRAP SMOOTHLY TO SURROUN�ING GRA�E. IF iHE CHANNEL 6 WELL DEFlNED, E%TENO THE APRON ACROSS THE CHANNEL BOTfOM AN� OP 1HE CHANNEL BANKS TO AN ELEVAiION OF 51% 24 IN. 9 IN. MIN. 6 ID B Ft. 12 ID 1B Ft INCHES ABOVE THE MAXIMUM TAILWATER �EPTH OR iHE TOP OF 1HE BANK, WHICHEVER IS LE55. J. IF GEOTEXTILE FABRIC iEARS WHEN PLACING RIPRAP, REPAIR IMME�IATELY BY LAtlNG AN� 30 IN. 9 IN. MIN. 8 TO ID FT. 14 ID 20 FT. STAPLING A PIECE OF FABRIC O�ER OAMAGEO AREA, OVERLAPPING THE UN�AMAGE� AREAS BY 36 IN. 9 IN. MIN. 10 TO 12 FT. 16 TO 22 FT. AT LEAST 12 INCHES. 8. CONSTRUCT A SMALL PWNGE POOL N11HIN THE OUTI£T APRON. (RIPRAP APRONS MUST BE LEVEL 42 IN. 9 IN. MIN. 12 i0 14 FT. 1B TO 24 FT. N11H OR SLIGHTLY LOWER 1HAN THE RECEINNG CHANNEL AND SHOULD NOT PRODUCE AN 48 IN. 12 IN. MIN. 12 TO M FT. 18 ID 26 FT. OVERFALL OR RES1RICt FLOW OF iHE WAtER CONVEVANCE SiRIICRIRE) 54 IN. 12 IN. MIN. 14 t0 16 FL 22 t0 28 FL MANTENIMCE fi0 IN. 12 IN. MIN. 15 TO D FL 22 TO 32 FT. • INSPECt WItHIN 24 HOURS OF A RAIN EVENt AN� At LEASt ONCE EVERV SEVEN CALEN�AR �AYS 66 IN. 12 IN. MIN. 1J TO 19 FT. 24 TO }6 FT. • INSPECt FOR SIDNE �ISPLACEMENt; REPLACE SIDNES ENSIIRING PLACEMENt At FINISHE� GRA�E. • CHECK FOR ER�SION OF SCOOFING AROON� SI�ES OF TIE APFON; REPAIR IMME�IAtELV. J2 IN. 12 IN. MIN. 10 TO 20 FL 26 TO 49 FT. . CHECK FOR PIPING OR ON�ERCl1i11NG; REPAIR IMME�IAtELV. RELEA$ED FOR CONSTRACTION � 23 FT 3o ro « rr. 'IPE OR CHANNEL OUTLET). $ubjec��ocompliancewifha�lregu�a�ions _ LOW FLOW (NO PRESSORE o4S�a�e antlLocalCodes �S or iHE CULVERi PIPE. CityofCarmel RIPRAP OUTLET PROTECTION NOT TO SCALE (REV.12/1]) `�s��� �\o,v�N�n�� � onrE: 11 /19/19 GRAVEL CONSTRUCTION ENTRANCE (SITES LARGER THAN TWO ACRES� Nar To scn�e (Rev. oi/i�) � MOSi 6E CRIMPED OR ANCHORED (SEE TABLE 2J. WOOD FIBER APPLV WITH A HIDRAULIC MULCH MAtERIALS OR CELWLWE � TON • SOIL AMEN�MENiS - SELECT MATERIALS AN� RAtES AS �EIERMWE� BY A SOIL tESi MACHINE AND USE WIiH TACKING AGENT. (CONTACT YOOR COONTY SOIL AND WATER CONSERVA➢ON DISTRICT OR COOPERATVE .MULCHING IS NOi RECOMMENDED IN WNCENiRAiEO FLOWS. CONSIDER EROSION EXTENSION OFFlCE FOR ASSISTANCE AND SOIL WPORMATION, INCWDING AVAILABLE SOIL WNiROL BLANKEiS OR OiHER SiABILIZAiION ME1H005. TESTING SERNCES) OR 400 TO fi00 POUNDS OF 12-12-12 ANALVSIS FERTILIZER, OR EOUIVALENT. CONSIDER THE USE OF REDUCED PHOSPHOROUS APPLICATION WHERE SOIL COVERAGE TESTS INOICATE ADEOUATE PHOSPHOROUS LEVELS IN THE SOIL PROFlLE. • THE MULCH SHOULO HAVE A UNIFORM �ENSITV OF AT LEAST JS PERCENT OVER • SEE� - SELECT APPROPRIATE PLANT SPEQES SEED OR SEE� MI%TORES ON THE BA515 THE SOIL SURiACE. OP p01CK GERMINATION, GRONTH, AN� IIME OP YEAR TO BE SEEDE� (SEE TABLE 1). ANCHORING • MULCH - STRAW. HAY, WOOD FIBER. ETG (TO PROiECT SEEDBE�. RETAIN MOISTl1RE, TqBLE 2. MULCH ANCHORING MEiHODS AN� ENCOURAGE PLANT GROWTH). ANCHORE� TO PREVENT REMOVAL 9V N1N0 OR WATER OR COVERED VATH MANUFACTURED EROSION CONTROL BLAKKETS. tABLE 1. SLOPE SiEEPNE55 RESiRICtI0N5 ANNUAL RYEGRASSI 40 L95. I 1/4 INCH I AUGy 1-SEPL 1 ;IALLT IF TIE AREA ID THE CHANCES OF ON iHE LOCAtION OF NOTES: MULCH ALONE IS AN ACCEPTABLE TEMPORHRY COVER ANO MAY BE OSEO W LIEU OF TEMPORART SEEDING, PRONDE� THAT IT IS APPROPRIAiELT ANCHORE�. A HIGH POIEN➢AL GOR FERTILIZER, SEED, AND MULCH TO WASH EXISTS ON SIEEP 9ANK5, CUTS, AND IN CHANNELS AND AREAS OG CONCENTRATE� PLOW. �INC MVIIC.�TON SEEDBED PREPARATION 1. TEST SOIL TO DEIERMWE pH AND NOTRIENT LEVELS. 2 APPLY SOIL AAIENOMENTS AS RECOMMENDEO 9Y hiE SOIL TEST.IP TESTING IS NOT OONE, APPLY 400 i0 fi00 POUNDS PER ACRE OF 12-12-12 ANALY515 FERTILIZER, OR EOUIVALENT. 3. WORK THE SOIL AMENDMENTS INTO RiE UPPER TWO TO FOUR INCHES OG THE SOIL lNhi A DISK OR RAKE OPERATED ACRO55 hiE SLOPE. SEEDING 1. SELECT A SEEO SPEqES OR AN APPROPRIATE SEED MIXIDRE ANO APPLICA➢ON RATE PROM TABLE 1. 2. APPLY SEED UNIFORAILY W1TH A DRILL OR CULTIPACKER SEEDER OR BY BROA�CASIING. PLANi OR COVER SEE� ID iHE OEPiH SHOWN IN tABLE 1. NOTES: L IF DRIWNG OR BROADCASTING THE SEEq ENSORE G000 SEE�-TO-SOIL CONTACT 9T PIRMING T1E SEEDBED WRI A ROLLER OR CULTIPACKER AFTER COMPLEIING SEED OPERATIONS. 2 OAILT SEEDING WHEN T1E SOIL IS MOISi IS OSUALLT MOST EFFECPVE. b. IF SEEDING IS OONE WITH A HY�ROSEEDER, FERTILIZER AN� MULCH CAN BE APPIJED N1T1 THE SEED IN A SWRRT MIXIDRE. d. APPLT MULCH AN� ANCHOR It IN PLACE. ��E • INSPECi WIiHM 24 HOORS OF EACH RAW EVENt AN� Ai LEASt ONCE EVERT SEVEN CALEN�AR �ATS. • CMECN FOR EROSION OR MOVEMENi OF MULCH AN� REPAIR IMME�IHIELT. • MONITOR FOR EROSION DAMAGE AND AOEOUATE COVER (80 PERCENT DENSII�: RESEEO, PERPLIZE, AN� APPLY MOLCH WHERE NECESSARY. • IF NIiROGEN OEFlQENCY IS APPARENT, TOP-ORE55 PALL SEEOED WHEAT OR RYE SEEDING WITH 50 POUNDS PER ACRE OF NITROGEN M FEBROARY OR MARCH. FlLiER MEONM ,j'8 SiONE (i' Mir�. rHicKNcss) ro ec ir�srn��o or� rHE cNnaEry OF RiE UP-SLOPE SIDE OF iHE CHECK DAM. REVEtMErvt RIPRAP • FERTWZE TURG AREAS ANNUALLY. APPLV FERiILIZER IN A SPLIT APPLICAiION. FOR COOL-SEHSON GRASSES, APPLY ONE-HALF OF TVE PER➢LIZER W LAiE oNc�TMiRo w cnR"v saRirvcARONCFrNiao°N wnre saawc"nNopTMESacun�iNi'�ivc PERMANENT SEEDING WITH MULCH ONE-1HIR0 IN MIDOLE SUMMER. N01 10 SCALE (REV. 01/1J) �rvEP510N RI�GE � ww �n sme s�ove �5� GRADE > �9 ROAOWAY SEIDING �EtlFlC1TON5 uq�n� sa[n[i��,n,rwc '����'Y'T"' _�� I,=�II-III-III-IIi- SEE�BE� PREPARAiION MAIERIALS -- JI d -III-ui-���. • cenoe nrvo APPLV SOIL AMEN�MENTS. �. ^� "' "' GEOIEXIILE FABRIC tABLE 1. SLOPE 4EEPNE55 RESIRICTONS 8" MIN. UNDERLWER SEE�ING FREQUENCT MAIERIAL' RAIE PER HCRE COMMENTS • SEE� ROUGH GRA�E� AREAS �HILT WHILE SOIL IS STLL LOOSE AN� MOISL P.ROSS SFP.IION SHOULD BE DRY. FREE OF UNDESIRABLE SEEDS. I 150' MINIMUM I oEN51tY OF VEGEtAtIVE COVER STRAW OR HAY 2 TONS SPREAD BV HAND OR MACHINE. EIGHtT PERCENt OR GREAIER OVER THE SOIL SORFACE I I I >I QI `ol rcl GEOTEXTILE FABRIC UNDERLWE � � %J � 8" MINIMUM INDOT CA I I NQ 2 AGGREGATE r�nwe LOCAnoN AV01� LOCAIING ON STEEP SLOPES OR AT CURVES IN PUBLIC ROA�S. OIMENSIONS • WI�iH: TWENTY (20) FEET MINIMUM OR FULL IN�iH OF ENTRANCE/E%IT ROA�WAY, WHICHEVER IS GREAIER. • LENGTH: ONE-HUNDRED iIFTY (150) FEET MINIMUM (LENGiH CAN BE SHORIER FOR SMALLER 91E5). THICKNE53 EIGHi (BJ INCMES MINIMIIM. MAtERIALS • ONE (1) TO TWO ANO ONEHALF (2-1/2) INCH �IAMETER WASHEO AGGREGATE (INDOT CA N0. 2). • GEOTE%PLE FABRIC UN�ERLAYMENT (USED AS A SEPARATE LAYER TO PREVENT INIERMIXING OF AGGREGAiE AN� iHE UNOERLYING SOIL MAiERIAL AN� TO PROVI�E GREATER BEARING SiRENGiH WHEN ENCOUNTERING WET CON�IPONS OR SOILS N11H SEASONAL HIGH WATER TABLE LIMRATIONSJ. INSTAl1.ATON 1. REMOVE ALL VEGETA➢ON ANO OIHER OBJECiIONABLE MATERIAL FROM iHE FOONDATION AREA. 2. GRA�E FOUNDAiION AN� CROWN FOR POSIiIVE DRAINAGE.IF THE SLOPE OF 1HE CONSTRUCTION ENIRANCE IS TOWAR� A PUBLIC ROAD ANO E%CEE�S TVlO (2) PERCENT, CONSTRIICT AN EIGHT (8J INCH HIGH DIVERSION RIOGE W1TH A RA110 OF 3-TO-1 SIDE SLOPES ACRO55 iHE :OONDATION AREA ABOl1T 15 FEET GROM THE ENTRANCE TO �NERT RONOFF AWAY FROM THE ROAD (SEE CRO55-SEClION VIEW ABOVE). 3. INSTALL A CULVERT PIPE UNDER iHE PAO IF NEEDED TO MAINTAIN PROPER PUBLIC ROAO oenirvnce. 4. IF WET CONDITIONS ARE ANTICIPAIED, PLACE GEOTE%TILE FHBRIC ON TiE GRADED FOUNDATION TO IMPROVE STABILITY. S PLACE AGGREGAIE QN�OT CA N0. 2) TO THE DIMENSIONS AND GRA�E SHOWN IN THE CONSTRUCTION PLAN$ LEAVING 1HE SURFACE SMOOiH AND SLOPE� FOR ORAINAGE. fi. WHERE POSSIBLE, DIVERT ALL STORM WATER RUNOFF AND DRAINAGE FROM THE TEMPORARV CONSIRUCTION INGRE55/EGRE55 PA� TO A SE�IMENT iRAP OR BASIN. �� • INSPECT �AILV. • RESHAPE PA� AS NEE�EO FOR �RAINAGE AN� RUNOiF WNTROL. • TOP-0RESS 1NTH CLEAN AGGREGAiE AS NEE�ED. • IMMEDIAIELY REMWE MU� AND SEDIMENT iRACNE� OR WASHE� ONTO PUBLIC ROA�S. • FWSHING SHWL� ONLV BE USE� 6 THE WATER FROM 1HE CONSTRUClION �RIVE CAN BE CONVEYED WTO A SE�IMENT TRAP OR BASIN. •ALL FORMS OF MULCH MUST BE ANCHORE� TO PREVENT �ISPLACEMENT BY WIN� AND/OR WAIER. MI1Lp1 MPl1CAlI0N 1. APPLT MOLCM At iHE RECOMMEN�E� RAtE SHOWN IN TA9LE 1. 2 SPREA� TIE MOLCH MAtERIHL ONIiORMLV BT HAN�, HAYPORN, MOLCH 9LOWER, �R HY�RAOLIC MIILCH MHCHINE. AFtER SPREA�ING NO MORE 1HAN 25 PERCENi OF iHE creourvo sHou�o ee v�sie�e. 3. ANCHOR S1RAW OR HAV MULCH IMME�IAtELY HFTER APPLICAIION. iHE MULCH CAN 9E ANCHORE� IISING ONE OF iHE MEIH��S LISiE� BELOW: o. CRIMP WIiH A MIILCH ANCHORING IDOL, A WEIGHiE� FHRM �ISK WIiH �OLL SERRAtE� BLA�ES SET SIRHIGHt, OR iRHCK CLEHiS OF A BULL�OZER, b. APPLT HT�RAIILIC MOLCH WItH SHORi CELWLOSE FIBERS, . APPLT A LIp01� tACNIFlER, OR d COVER WTI NEtTNG SECURE� BT StAPLES. MlLpl M��NIEH�I.CE • INSPECT WITIIN 24 HOURS OF EACH RAIN EVENi AN� Ai LEASi ONCE EVERV SEVEN CALEN�AR �ATS. • CHECK FOR EROSION OR MOVEMENt OF MOLCH; REPAIR �AMAGE� AREAS, RESEE�, APPLT NEW MIILCH AN� ANCHOR iHE MOLCH IN PLACE. • CONiINOE INSPECtI�NS ONiIL VEGEtAIION 6 FIRMLT E4A9LISHE�. • IP EROSI�N IS SEVER OR RECIIRRING, OSE EROSI�N CONIROL 6LANKEIS OR OTHER MORE SlIBStANTAL StABILIZAtION MElHO�S t0 PROIECt iHE AREA. � ■ O AMERICNN ■ STRUCTUREPOINT iNC ]• SM1atlelantl S�a�ion Ilntlianapolis,lntliana 06256 TEL 31)50).5580 I FAX 31 ].503.02)0 wwws�mc�wepoin�.com NDIANAPOLIS 2EHABILITATION 10SPITAL 260 CITY CENTER DRIVE :ARMEL. INDIANA 46032 *� 11800754 suh a °jiiii b i0 N A i 1 C�`��a•. N� CERTIFIED BY ISSUANCE INDEX DATE: 0 411 712 0 1 9 PROJECT PHASE: DP/ADLS REVISION SCHEDULE NO. DESCRIPTION DATE � CITY COMMENTS OS/29/19 2 CITY COMMENiS O6/24/19 3 QTY COMMENiS 07/15/19 Project Number 2018.02759 EROSION CONTROL DETAILS C521 MAIERIALS • RIPRAP •• HARO, ANGULAR, HIGHLY WEATHER RESISTANT. •• SPECIFlC GRAVITY OF AT LEAST 25. •• SZE AND GRA�AlION 1HAT WILL NITHSTANO VELOQTIES OF STORM WAiER DISCHARGE iLOW oEsicN. •• WELL-GRA�E� MIXTORE Oi STONE N11H 50 PERCENT OF 1HE STONE PIECES, BY WEICHT, LARGER THAN THE d� 9ZE AN� 1HE DIAMEiER OF 1HE LARCEST STONE EOUAL TO LS lIMES THE db SIZE. • GEOIEX➢LE FABRIC OR WELL-GRAOE� AGGREGAIE QNDOT CA N0. 9, 11, OR 12).