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HomeMy WebLinkAbout23.97.erosioncontrolplan� �-J-- C3 rn � cti 0 cri � ` �./ � a�u � � �.�/ � cv i � m m � 0 ..- � 0 ,.- � N�TE: TO CONTRACT� 1. Prior to cny work comrnencing cor►trdctor shott install $tone drive at entrance, and all sNt fences shown on pian. 2. Upan compietion of the storm structure from beiRg built the fab�ic drop iniet pro�ecticm is to be instalied ON cu�b iniets cnd straw bcles on yoard inlets �mmediately. 3. Upon cor»�letiari of the swatje construction, contractor shnll notlfy engtneer ta as-buiit, upon review of as-buil# engineer sho11 notify cQr►tractof- to instali the �osion contro� blonkets os soan as possible. FORMS/22fi87 Soi1 Erosion Control Summory Tf�e foliowinq is e tist in sequence af construction activities te controi soii erosion: 1. Gontractor shall install sedtment trops and straw bafe fiiters, as shown. Z. Grade the site �sides of swates, mounds �nd pands to be seeded and muich�d imr�nediat�ly upon c�mpietion). 'fetnporary seeding shoil be recorr►mended for oli sw+c�as o�d disturbed areas that cannot be final seeded within o time pe�iod thvt w�i prevent s�ope e�rosian. For temporary seeding, the contractor �oll utilize o fcst growing aeed of either oota, annuat r�y�agrass, wheat or r�e depending on t�na of y�eair. re Disturbed areas shoutd be kept to a mintmum ct aii times. 3. Con�ractar shatt contr�at mud accumulation on a!I streets surround�g p�o ject by inatalting stone surface ot c1I locotions whe�re consiruct�on tr-offic te�ves the site. Dust shali be kapt to o m�nimum by utiilzing sprinkting, Gvtcium C�loride, Yegetative cover, sprcy on ot�es�ve� or other �proved methods. 4. Mainta�n alt fiites^s and traps du�9 co�structia� to prevent any btackaiges fror�n occurnulate�! sediment. �ldditionoi see�d�g and st�aw boias n�ay be requi�ed du�ing cons#.ruction as specified by Enqi�eer or Soii Conservotion Servic�. Payment fcx additional strvw bales shcli be at the Contraeta-a expense. Payment for additiona! rip rap �not shown an plana} vnd seed�ng at�a11 b�e pvid for on a unit basis. 5. Controctor shoil insta�i oil �anitary sewers, starm sewers, subsurfoce drains, ond water maina Strow bate iiiters shall be installed at oll storm inlets tinduding street in�ets�. S�aeding SpeclRcotions: I. Ditch B�Ic� sholl be seed�d ond cov�ered with Narth Americon Green fiber blanket �S'150 ond �SC15Q �or Equat) or Hy�d�oseeded with � straw rnufch. The Controctar eha{t folfaw the monufacturor s recomrin�ded guidelin+es for instdiotJon Qnd stvple potterns when instofting the fiber blonkets. Seeding rote: IIO�/ocre or 2.5�/1000 S.F. �ec��ng r��x#i�f�: �� K�t 3i F�ct� 19� Perennlaf Ry�e 199� Annual Ry�e 149� �chord Grass IOX Kent. 8luegrass 2. �" of topsoil �minimum� shdl ba �iaced prior to permcner�t seed�ng. 3. If grades a�e estobltshed between Moy t5 and August if�, a temporary sseding consisting of 40#� of Annucti Ry�grass shaii be piar�ted per acre. ar 4. 11` grades are estabtished between Octobe�r 15 and December 30, either Ry�e �grain} or NVheat mc� be used at the Fate of 2 bushels/Ac. Ail 9ra�ns should be mowed prior to seed r»aturing. 5. tf temporory seed�ng is estoblished prior to pernnanent seeding, the mutch m4y be eliminated excapt in ba�e areas. 6. If grodin9 occurs during Decamber. Jvnuory, or februor�y. use dormant seeding and it should be done withtn 7 days of la�st fand disturbi�g cctivity. • LOGATICNi: ON t�iD PAVED 51REET D�31NN ARADE FROIiI UGHT t:ONS7RU�C110N A�.i11A't1f��.g, MitflVIDU�11.. M�j Ai+� A80NE 1� N+�.E7. CONTRi8UT1NG ORAMIAt�E AREA: 1 At�E MAXIMUWI. CAPA�t.'1't'1�: RUNOF'�' F�CM X�-YR. FIRIE�:�JF.�IGY. Z4-I�t. EXJRAT�N STORMI EIIENT F�i'TERiNG 'iFIE S'TC�i DRAIH w�nn�ui B�P�ss F!� l�t,i�' t�S �� p�gA�S AS N �� 11R,AFf1C � J1S NEi�ED 1�D VID� F'RONI H�T7Nrt� 1HE BA�R. Recommended Erosion Contro! Measures Erosian Controt 6lanket: R�cornmend er-osion carrtra! blanketa such os North Arnerican Green St50 be instafled as o temporory erosion controi measure in the bottom of a�y swale with o concentrated aurfoae woter flow. Refer ta �roaion c�ontrof pfoctice numbar 3.17 . Stro�r Bale Drop Iniet Protection: Recommend using st�ow bc�e drop iniet pro#ection as per erosion control proctice number 3.5� as o tamporory erosion contro# meosure unti� blonkets are instolled. C?ther drop in�et protection proat�ces moy become noce�sary upon the �ecormm�da#ion of the engi�eer or eros�on controt cx�r►suitvnt if a spacific need arises during construction. Topsoii Salv�oge vnd Utilizo�ion: As par erosior� contra proctice numbe� 3.02. Removol o� topsoU to e depth of stx inches �ar more tf required by the ertgin�} fi�om atl areos to be excov�ated or ftiled. Topsoi! should be stored at a location where it wi!! not interfere with can�truction ape�r4tion9. Temporary Seeding: Recon�►mend temporary seeding as per erosian cor�trd prdctice number 3.11 if disiurbed ground is to be left b�e far two mcmths or more. tn addition, it is recomrnended red dov�ac be added to the seed�g mi�ctu�e at e rate of 1 Q pounds per ocre. �ormont and Ffost Seeding: As per practice numbeir 3.13 attvched to be app�ied if necessory. Surface Roughening: As per erasion control practice numbe� 3.03. suggest us�ng a bulldozer ta track with deets �er�endicutvr to the slope of stopes on disturbed ground of six pe�rc�nt or greoter and arou�rd the shor-e of the lokes os o texrnporory measu�a untii ready for bia�kets. Ternporvey Grav+e� Construction Ent�ance/�actt Pod: Recommended c� per erosion controt prvctice v+ �umbar 3.01. T�ee Conservoikm/Protection: l4s per erosion controt practtce number 3.83� the cantcactor shcll, at t� �14re�ctt�x�r a� �ae �e�a�l�, aa��a� �a 9a�e a�� ��t�ct trr.�s Qf �alye s�uasi �r� �h��h do not impair construction of improv�ements os designed. In the ev+ent cu# or f�t exceeds 0.5 foat ov�r the root o�eo, the devetope�- sh�i be consulted with respect of pratectiv�e measure to be tvlcen, if ony, #o preseraa such traes. Mointenance Schedule: �la�ntenvnce of c�l1 erosion contrd practic�s shouid be dorie as needed on ! a weekly bos�s and after oil large storms. A construction sup�r�►iso� should be ass�gned the tosk of ssetng that QII p�octices rnre instalied and maintoined according to the desic,� criterio. Maintenance for each erosion controi proctice shou�d be conducted per mointenance schedule shown on eoch erosion control p�actice job sheet {attached}. Const�uction Sequence Sch�dut�: Spring (P�oJected seoaon to start): Locote vreas of tres protect�on. instatl grov�l construct�on entronce� instdl temporary sitt fence, atrip and stodcpile topsoil. E�ccov�ate bu�iding areas ond other enrthwor�c (lakeg, �oads, �wales, sewers� etc.) SpringlSummer. instail strvwbaie i�let p�ot�ction, Instail rodc chutq outfet protection, 1n�taii temporary er�os�ton cantrol blankets os needad. Tradc 1n ridges with dozer cleets on ail slopes grec�teir thon stx percent a�d around side slapes of iakes. Sumrmer/Fcrll: Appiy sod in all orevs that dre finish groded. Apply temporory seeding in areos where earthwork construction is hadted and area will be bare and expo�ed for more thcn two months. Mvintoin e�osion contro! proctices a� peir eirn�ion controt maintenonce schedule above. Re�mova tempo�ary �osion cont�ol n�eesures in stebilized areos that have been sodded. Wlnter/Spring: Appiy damont seeding on any areae #hat s�►ow a nee�d for �t. Continue maintenance of existing a�ras�on contrd practice�. Spring/Summer/�ail �following y�ear}: S�dailize o!i opan ground ond remov�e ternpor�ary ero$io� contro� practices. Implsrnent fina! iandscape plan. FORMS�18545ECM PERSQN aN SI TE RE$P�N SI B�E F�R ER�SI DN �ON TRO�.: TI M WALTER ESTR1 D�E QEVEL�PM EN T (317)-582--245� EXT.3�-5 REQClIREMENI�: t�ONTR18U11NG ORAiNA�OE I�REA: 1 ACRE MAXtMUM. C�ACITY: RUN�FF FROIri A 2 YR. FREQUENCY, 24 HR. DURATiON STORM EVErlT ENTERiNG A STORM DRAIN WITHOUT BYPASS FLOW. Fl18R1� �A�11ERtAL: GEOTEXTtLE �ABRIC FOR FlLTRATiON. HEIGHT OF FABRI�: 1 T� 1�-1 /2 FT., MEASURED FROM TOP� OF INLET. APPRt�►CI� P40t. AREA FLAT �LESS 't1�tAN 1x SLOPE} W17H SEDlMENT S't�ORAGE OF 94� CU.FT./ACRE �ISTURBED. STABttJTY: STRUGTURE NlUST WITHSTAND �-1 /2 FT. HEAD OF WATER AND SEDtMENT IMTHOUT CBILAPSING 4R UNDERCUTTING. SUPPQRT P'CIS1'� STE�L FENCE POSTS OR 2"x2" �R 2"x4" HARD IH�00 POSTS� 3FT. �IIN, I.ENGTH. 3 FT. MAX. SPACiNG; TOP FRANIE SUPPQRT RECOirlMENDED. CROS.S BRAqNG T+�PS OF P�STS T� t�PPOSiTE C�ORNERS GREATLY STRENGTH�NS SUPPORT. 2"x4" VYt)OD FRAME 1.5 �T eu�EO F Ct�iu4PAC1�0 F ax.� .�. z � .� OVE'.�FL.OW LEVEL SET Ta PR�'VENT @Y-PASS FI.OW 1 F'T. l � 1 � r , ••t('• � .; . = .� .,� . 6URIED FASRtC tNSTALLAT10N: i. TO PREVENT RUNOFF FROM BYPA►SSING THE INf.ET, SET THE TOP OF THE FABRIC A�T LEAST Q" BEt.�W THE DOWNSLOPE GRt}LIND ELEVATIQN, OR �1llD A TEMPORARY DIKE tCOMPACTED TO 6 HIGHER TNAN THE FABRIC} ON THE LOW SIDE OF 7HE lNLET. 2. C U T T H E f A 6 R 1 C F R O M A S f N G L F R O U. T O E L I I � l I N A T E . M q NTS. (PRO V i D E A T LEAS T 2' OF OVERLAP IF A JOlNT iS NEEDED.� 3. BURY THE B4TTOM OF THE FA6RlC AT LEAST 1' DEEP, 6ACKFlLL, AND COMPAGT THE 6ACKFlLL. 4. SPACE THE SUPPQRT P05'T'S EVENL,Y AGAINST THE INi.�T PERIMETER A MAX. OF 3' APART. AND DRIVE THEM ABOUT 1-1 /Z FT. INTa TNE GROUNa. �OVERFLOW MUST FALL DiRECTLY INTO THE tNI.ET AND waT c� uN�o�c�a sa�} COMRAGTED DIKE TO PREVENT BY-pass �..ow (8� HrcH� TM� INL.�'T PROTECTION� � ."ti... -�..e-- RUNOF� OVERFLOWS INT� INLET ... ^�... �� �'''' � %�:�1'�//.%//.%%;I M ��s"••;f/�'�./''�/'f/'�/'� � i �i �.�/ �%�/ ��/ �/ �% � � % ��i* �// ��% �// �// � � � -,,. �- �.�j�/�%/��/%// ; �� �� �/ ��/ �� �// i� � /� /� //� //� /� // • r / �. �% i �// i'/ J// �% �// �j � l�. //i. //i. //i.. //i. //i. /. / � 1� � � ., . � � � /I � � �, � %//%".//,//i.�`fi %`%.//% �� :�.. i� i i i � .� i .- ; �j �% ��j'��� ��/j�%/���/j � � ��/ �% ��/ ��� �� % �I %// �� ��/ ��/ ��/ /��/,�/ � �/�/�j ��/��/��/�j� ��, ��` /� �j ��/ /�� //�% �/f,/ / �..�/i..//i..//i..11i..//i..�/i._�/�. f : ' ' • • i � r �- . - : •�-� a- a- � - a � �i� � • �� - r x • ��i � -� �•� - • •-• � �- • r r- y �- s � , � � �� � � a " "� � �- ��- � - aIa � • • a ��� - : �- : � � � • � --�- '� � ti-��t � � � � � s � , � ! � � � � r • • • 1 ��� � ' • 1 • � � � ♦ ' . � � : � � � � � ,� • ! ' � � � ' : � ' : ' !1 " ! , . . . � . . :�-� �-•- --• � . :� � - . � � - r - � EXiSTiN� VEGETATION: �RU sH �r�E�s ERaSlE3N CONTR�� FOR INDIVIDUAL L�JTS 1. CONSTRUCT A GRAVEL DRlVE 2. CaNFiNE ALL TRAV�� TQ THE GRAVEL DRfVE 3. i'RESEl�VE AS MU�H QF THE EXIST1NG VEGETATION �S POSSI6LE 4, fF THERE ARE LAR�E EXPOSED AREAS ON QR NEaR 5l.OPES A SILT FENCE MAY BE REQUiRED 5. AFTER FINAL GR�4DIN�, SEE[� OR S�D THE YARD AS SQO�V AS POSSIBLE 6. AFT`ER A YARD IS RE--VEGETATED, REM�VE ALL TEMPORARY EROSi�N coN-r�o� MEASU�Es A�L J�REAS NQT DEN�TING PERMANENT SEE�QiN� J� �R F'�BER BLANKETS SHAI.L BE TEMP�RARILY SEEDED. RE�C3MMENDED ER�SI�N C�NTRQL MEASURES WER� TAKEN FROM CHAPTER 3 AS STATEC} fN THE IN�IANA HANDB�OK F't�R EROSION C�NTR�L fN DEVEL�PING AREAS. ADDITIt��IAI� ERUSfaN �QI�TR�L MEASURES MAY 6E REQUlRED �Y iNSPEGTOR AS CONDITf ONS WARRANT. ANGLE F'IRST STAK� TOWARD PREVIaUSLY �Ald 6ALE � � f/ � � �'' � `�' /� v WC�OD STAKES 15 " 2� r r j ,-' r�' ,. 1N GRQVI�Q f �. ,✓,, � ;_ •v •v � � �t •�, � i'' „� r• �" V� �V V� ��, `, �� CHINK GAP5 � � �' / � % •v v �v v W/STRAW �� ''r,r, ' , � � v, . _ '' � � � � � � � � � �I - �' �TRAVI� �ALE DA�! aETAIL sEC�norv NOT-TO--SCAL� i 1 � � • ��►-""'' -"'a .,w►''-'+�►,T' �►,..••r► •r� i ! � ; f �.. - �.. - � - -.�.r ��1` =1---�, � ;. ".�±i�. r'""� �ir►'±`�+�'� ��►`�`�i��l►i`�-�-,i.,. �"'�`.r��,�-.""` -.,� J.� �c - �...� � � � � � � Considerations in Construction Sequence Scheduling �OnstiUC;�ttOA pt�vse �epeclfic acttvitieer or aroston c�orstroi praCtkass�* Construction schedule constderotions Pre-construction actions tEvcluation%protec- Before con�truct%n, evc�luvte, mark, and protect tic�n of important site choracte�istics} importvnt trees �Md associarted rooting za�es, n unique areas �e.g., wetianrds) to ba preserved, orti�- sit� septic gystem absorption f�elda, and vegetaiian suittible for ftit� strips, especicl�y in perimeter vreas. � Construction access �Construction ent�onces. Stobitize bare areos immediotely with grovel and construction routes. equipment porki�g areas) and temporary vegetotion aa work takes ploc.�s. Sediment barriers and traps �6asin tr�aps� siit Ins#all principai bosins afte�- construction site i� fences, outlet protectian} as�s�sssed. Insta�l additionat traps and barriers os neaded during g�oding. Runoff convey�aince system �Stabilized st�eam-- Where necessary, stabilize streambonks os early banks, storm drains, inl�et ond outlet p�o- as possibie. tect�ons, chonnels) �nstall principol convey�c�nce system with runoff control measures. instal! remainder of �ystem after� grading. ��nd cleo�ing and grodi�g �Guttit�g�'filting� Begin ma jor ciaa�ing and grading ofter install-- grading, drains, sediment t�aps, barriers, the key sediment and �unoff r�rteasures. diversions, surface roughening� Clear barrow and dispa��l area� as ne�ded. tnstvli Qdditionai contrai m�QSUres as grodtng progresses. Surface stvb�lization �%rnpora�y and pe�ma- Appty te�rtporary or pennanent stobilization �ent seeding, muiching, sodding, rlprop} measures irnrr�ediatefy on oll disturbed oreos where work is delay+ed o� compieted. eu�iding construction �8uildkig8, utiti#tes, instail ne�cessciry erosion and sediment contro! pv�t�g} prvct�ces vs worlc takeg place. Landscaping and final stobilization tTopsoil-- Stabif iZe aii open areas, inciud�ng borrow ond ing, trees ond shrubs, permanent saeding� �pali orea�. muiching, soddin�, rip�op� Remave temparary controi me�sures ond stabilize. *Maintenonce --- ti } inspect practice� Qt least once o week. vnd t2) mvke repairs immed�atety ofter periods of roinfait. EEF9s�i �aa30E�o 8' 3' 8' 3' ._.. .._ � 3' � �� 1 1/'2' t-t " _` 3 A 6 x x x 1 STAPLE 1 �--1 %2 STAiPLES PER SQ. YD. PER SQ. YD. STAPLE PATTERNS APPI.Y TO ALL NORTH AMERICAN GREEN QR�SiON CONTROl. BLANKETS. STAPLE PATTERNS WtLL VARY OEPENDING UPON �t,.QpE LENGTH, SLOPE GRADE, SOIL TYPE AND AVERAGE � ANN�iA� RAINFALL. � � t� 4' r- 2' � 2 STAPLES PER SQ. YD. � 4' r---- 2' 3.5 STAPtES PER SQ. YD. � B � � � � � � A � � ,�r �:� �� �> >:i � � c��a. cH�a. �wa SLOPE GRADIENT ��� ERCI�ION t�Ni'�OL. 6q.MiK�."�` ��1�� �� ��� s�=.�►�oN�. sa� aRC����noN cH�T STABaJZATtON PRACTICE �AI�1• FEB• MAR. APR. �IAY JUN, JUL. AUG. SEi'T. O�T. NOY. DEC. SEEDfNG�T � *///////////''` ____r�///> �� �r �� �Y� �� �� ��ID �U �� �� �I� �� i ��/ �� �� �1�� �I�O �� ��r �p �� OQRNIANT 8 ..,�...�.,� 6 SEE�tNG ��. ��. � � .w.�. ��� �^. .��. .�r� �.r ..�.r. ��� �� �� �w� r .�� �� �� �.� �� �wnr SEEDING E ------ *////////'►-----� �� i� �.� r �� rr.�. ��� �� +..�� �. �� S40DING F�* */////////// ,/ * ----.� ._... ..._ ._.. �r�r �� �� ��� �� �� �� r ■ • �i � �ut�rHa c __.. ._.,. __.. ...._ __._ ._._ _.._ .� __.. __.. _. __._ __._ ..._ ._.,. ._.. .._.. .,,_ __.. _._. .._ _... A= KENTtJCKY BUiE C�RASS 40 ib�./AC.: CREEPlNG RED FlESCUE 40 iba./AC.: PIUS 2 T4NS STRAW �AULCH�AC. OR ADD ANNUAL R'l1EGRASS 2t)tbs>/AC. 8= KENTUqCY BLUE GRASS 6a Ibs./AC.: CREEPING RED FESCUE 60 ib�./RC.: P�us � �s s��w �u�cH/�c. oR �wa �u� R�c��ss �>/�c. C� SPRINC OATS 3 BUSI�EL/ACRE D= WHEAT OR RYE 2 BU�El./ACRE E= ANNUAt. R1IEGR/4SS 40 fbs./AC. �1 Ib./1404 aq. f�) F = SOD G= STRAW MULCH 2 TONS/ACRE *///* = IRRIGA�"i0N NEEDED DURING JUNE, JULY. AND/OR SEPT. '�* = tRRiGAT14N NE.f�Et) F4R 2 T+D 3 WEEKS AF'TER APP�YING SQD , � � �! � '; A ._ '� �p ... i ��� 1 • • f • / � * • • • • • • ■ • � • ,;......,... ��{�1�!��":'�'� :, :, ,.�, .� .."' .� � ��.:,.:si ;':;;: • -11.�-1►--Il-�-tl- • e-�-ii= -��--��--:�--�� �•.! ! �t--i�_1�._.ii� f��_�►.::�i:_ii.:.:.jj_.i�_.� �''tl.{( �� f�'.'ll'�"II "".11'"':��'�'"11"'11�i1`/l""I1."'/l'-'.1�.' ��"�i1 �,.. •. •-�il. . ������ j i -�E�= = li--� � . 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