|
. EXHIBIT A
<br /> �����
<br /> GENFRAL S(fE GRADING AN�EROSION COMRIX.N07E5 c FASIENING RINGS SHALI BE CONSTP.UCTED OF'NIftE CONFORAUMG TO
<br /> 3d' Min � ASTM A ti41-92,A 90-93,AND A 764,CLA55 II,7YPE III
<br /> Exist�n9 CASIING PER YLAN �
<br /> 1. Retar to [he 'GENfRAI CONSTRUCTION NOTES�. Cround-� � o �
<br /> / _2"-4"ROCK � I o
<br /> 2. Atl elerat�ons baxd on the North Ameri<an Vartical Datum of 1929 (Mean Sea level DaWm). ADJUSt FROM 42"TO 60'0 a
<br /> BASKET DIAMEiER SMALL BE
<br /> 3. Dispose of excess excovoted approved cloy or topsoil on sito at the dir�ct;on of the Eng�neer. A�i oiher �/,\( �'i, '�� I A A ADJUSTED TO OUTSIDE UTA.MEfER
<br /> axcess asphaR, wncrote. etc.shall De removed from site oy the contractor antl chall oe inclutled in :he cest of y��� - f�� 4 L � OF 57RUCNRE IM PIACE U`g s
<br /> Fhair conimct coals �,�r�^f GEOTEX7ILE SHALL BE W2IPPED OVER THE TOP MFJABER OF iHE 6"x6`WELDED Z yj o�
<br /> E�Int�ng W�RE MESH BY 6"AN�SECURED WItH FASTENING RINCS AT 6'ON CENTEft. THE _„g �
<br /> 4. ai enccuntered and/or brokm (crushod)tield tile shali be reconsirueted o �erculetl o� no adeitionai �c `�FrtSTMING RING SHALL PENETRATE 60TH 1AYER5 OF GEOfE%TILE NID SECURELY Iv _
<br /> compensation[o the controctnr. Reploce with ADS-NiL' cortugateE pipe or unropprovea 10' Min Pavemant ^'
<br /> eq�o! by ttre Engineea Coarse Aggrepate CLOSE AROUND THE TOP SIEEL MEMBER. GEOTEXTIIE SNALL BE OVERLAPPED A LL$��
<br /> P N VIEW s MINIMUM OF 1'AND SECURED WITH FAS7ENING RINGS AT 6'ON CEN7EF. OR W o�^
<br /> 5. AII eaM1h cavation, a bankment,structure excova4on, trimm�ng, backfilling ond com0action work shall �,/� (3)2'x2"x40' SEWN WITN A IYPE 407 �OCK Si1TCH TO FORA1 F SOCK. IN LIEU OF SEVlING,
<br /> onlorm to IpOT Siandurd Suecificati�ns fue R�ad nnd Bridga Consl�uc[ion, curren,edlion. Eorth quantities lu 6n � �N THE FlSitiNING RING SHALL VENETRA(E dO7H LAYERS OF GEOTE%TILE ANU , W o s�
<br /> pai0 tor os fn origfnai slote (f.e., compor,ted condiEon) 60' Min STAKE PLACED SECURELY CLOSE AROUND A MEIABER OP THE WELDED WIRE MESH.
<br /> TO S7nB�L2E z e 3
<br /> �ILiER FENCE
<br /> 6 All vtnpped topsoil sholl be placed ovnr d�sturbed or tilletl areas and grotlaa (bladed) smaoth in the !op 6" � -Ez�sling rn�3�
<br /> (min.) ofter g�otling wark is approvad. Tha r rtiaining tupsoil shall be placed in berms o� stockpiles No earthen Povement OVEf2LAP FABRIC AT IOV 6" `�€
<br /> <bas larqer Non S"1 dia. shall De accepteC(i.e., a0ditional grotling required). ` ______
<br /> Sti"WIDE GEOTEX�ILE FABRIC SNALL BE A NONWOVEN, CON7INUOUS FIUJAENT, Z ��
<br /> // �Di. �
<br /> NEEDIE-PUNCHF.D FItTER FABRIC MACHMF PRODUCED FROM 100X
<br /> 7 al tnmpowry onA permanent erosio onirol m ure shau ca ply wdh the In{nofs guidelines. The 3 POLYPROPYI.ENE. GE07EY.TILE SHOULD BE DESIGNED SPECIFICALLY TC RETAIN W'�
<br /> Controctor shall proviCe lhase measuresr as shown onsthesplans and/or as required by the Cily o/ Decutur. � ?„%2. SEDIMENT AND REMAIN HIGHLY PERMEABLE 70 WATER. DESIRED CNARACTERISTICS 8�
<br /> Fltar Fabnc
<br /> 8 4ppropr�ate measures shall Ge taken b the o erator to minimze or elim�note wostes or unusetl buildin STAI(E INCLUDE SMALL PORE 52E. HIGH U.V. RESISIANCE, HIGH VERMINNI7Y,AND A b
<br /> Y P 9 Ezisting Gwund �, HIGH PERCFNT OPEN ARFA z
<br /> materiais,fncluding,bu[ nol limiled lo, garbage,dabrie,cleaning wasles, wastewater, and other substances from oln[ ELEVATiON
<br /> Deing corned trom o eite by runoff. Proper dispoeal or manogement of ull wastee and unused ouild�nq materlale, 6'z6'WCL�ED WIRE MESH,SI�hLL BE 30"WIDE, FORMED nND SECURELY •
<br /> oppropriote to the nol�ra of the wasto motoriol, is requirr,d. NOTES: WELDED INTO A CIRCL`c O:42"m MINiM1UM TO 60"o MA%�MUM. 6"x6' g
<br /> 1. Flter Iabnc ehall meel the requirements of maleY�ul speciTication 592 GEOTExT1LE, WEWED WIRE MESH SMAIL 8E FORMEU OF 6 go. COID URAwN 2.9 STEEL
<br /> 9. Setl�ment Deing Vacked from a site onto puUlic or privale roodwoys sFrall Ge m�n�m�zed. 7h�s can oe Tobla I or 2,Class I,II or N und ahall be placad over the ciearatl orea O��or[o WIRE FOR CONCRETE REINFORCEMEM.
<br /> accomplished inil�olly hy a temporary groval conxtrucl�on entronce. tho pladnq of rock. ----------------
<br /> CfSTING INLET PROlECiION-EXCAVATED DRAPI PLAN
<br /> 10. Public or privote roadways shall be kept Cloored of accumulated sediment. Bulk Clearin�uf OCGumulated 2. Rock or reclaimed ConCrele Shall meet one of the follOWing IWf warx A -------
<br /> sedimeM shall not include flushing tna oreo with water. Cleore�sedimenl shal: De reNrneC to tne pofnt of likety oggragale gradalion,CA-1,CA-2.CA-3 or CA-4 and Ce placed occording to 30"HIGM A1ESH �
<br /> origin or otner suiwble localions. wnstruclion specificaUon 25 ROCKFlIL using placament Melhod 1 and Closs III --
<br /> wmpacliun.
<br /> 1 t. All on-site stortn drain inlets shotl be protecle0 ago�nsi sedirtientoLon wilh siraw �ales. (ilter fabric,or ���� -��E
<br /> sandbags meeting occepted tlesign criteria. standards, and specificotion for thot purpase. 3 My droinvge facilities required because o!woshin9 shall De construcletl according I�--I�II Y �1�� 1�'
<br /> to monufacWrers specifications. �_��
<br /> 12 ihe talmring i[ems apply Curing the t�ma the construction ochviry is toking pbce: �Z T FVABED L'TO 6"DEEP 1o1at
<br /> o. Sbrm wotar dramage from odjacmt oreas thot mturolly poss through the site sho:: 6e controllad by 4. N wash iocks are used lhey aholl ba fnslolled occartling to the monufactures � _
<br /> �e�rtf^fq if oround Aisturbed areas. Alternati•iety,the eMisting channe� muet Ce protectetl andfor impra�ed to spe<ifications. UD COMPP.CT ARDUPlD EDGES � _ _ _ _ _ _ _ _ _ _ _ _
<br /> " _ _ _ --' _ -_'
<br />- eroxort or _ -
<br /> ____ __ _ _ ___ _'_ --__
<br /> -_- - ___ _-_-_ _-_ -_ -
<br /> b. Runoff from a disWrbed area within the site shali be controlled by one (1)or more ol the toliowing - /
<br /> measurea. STRUCTURE A0.1U5iL1ENi RING _ rn
<br /> !a.Sediment de[ention 6osms. VJ
<br /> B8. Setliment controi p�actices, such os filter strips,diversiona, straw beles,fdier fenczs,inlet NOTE�THIS PLAN MUST BE AVAILABLE � ( ,
<br /> prolection measures, slope m�nimization, phase co�struction, temporary and permanent seed�ng ot�e��a��a�, pN SITE FOR REVIEW AT ALL 11MES. SE`T'°""�" � v
<br /> mulching, ome 9ure�? I 1
<br /> Ali os s nvolving erusion conlroi practices sholl be tleeigned and Instaile0 un0er the gu�dance of a � ___ _ SILT FlLTER FENCE� OPEN CiRAlE RlSj BASKET A �
<br /> quolified professronol axparienced in erosion control ond follow�ng ihe spec'rficotions anE critera �nd<r this r
<br /> subsection. All ot�er non-e�gineered eros�on control measures involv�nq vegelation should be installed occordi�g I 4«P��s " � �
<br /> la occepted soacificolinns antl criterio under this eubyect�on. tlio.o s ruc ure �
<br /> 13. Limits oi topsoil slockpile or berms 5hall be as shown or os othernise Directetl by tne Engineer. _.___._._.gp•__--__ S � PLAN VIEW Plocrt boake�t�aro�un0 Q �
<br /> �z•-�--� S cRoss ew+ciHe � � �����e��e( a i�u an�e� � O
<br /> 14. The proposea s/ormwater basin shull have o minlmum bottam elevaGon shown on plana. Over excavat;on CRO55 BfL1CING Z � �
<br /> moy be reQwretl to allaw for siltalion to occur d�rinq consWclion. � � � � � _ �
<br /> i �75. Surface stabiiization shall be in complfanco with the Ilbnoi3 Hondbook for erocion control in devNoping orens �0 S�ORM ---------- I'
<br /> ,all areas not poved shail De fine gratleE, seeCed ontl mulched as soon as gra0ing nas Deen approvetl. Saed 80.5M OR FLOW `v I ( 1 O ��L �
<br /> m�xWres for unpaveG areoa s�all contorm to IDOT specflical�ons or on opproved m�zture. MnNHOLE � � O
<br /> 16. Flter harriers or strow bole dams snail be inspoctetl immediately aiter each ro�nfolt,ol leoal do�ly during •� - - I
<br /> proianged romfall ond on a weekly Oasis. My required repoirs s�ail be mo0e immedolely affer nol�ficotion. �--'--
<br /> 17. Shou�d tha geoleklile fabric or strow bale dam �ecompose or become �nelfeclrve prior to lhe entl of l'ne 3'ROCN � �SILT FENLINC SILT FENCINC Droin u�bt--- .� � � �
<br /> e,epncleJ us�hlo If(e and lhe bmrie.r atill bn nacxasory, the barrixr nholi M repinced promptly PIAN VIEW -THE SIDE SlUPES OF 7N' T{+M I I , • �• ' � � �
<br /> SHALL BE 2:1 OR FLATfER. ' � O
<br /> 1B. SeE�ment deposits shoultl De removed aFter eoch storm evenl when deposits reoch approzimotey haif tha ' �YPICAI_ $ECTION A-A
<br /> height of the fltar fo0nc or straw bale barrier. g"�,��h, p�q. I -
<br /> WC PIPE- 2� ! NOTES: � M /r
<br /> 19.My sedimenl deposils rema�n�ng in place atter the silt fence or strow bale dom is no longer requlred sho�l M1�N. :ROSS:3W.CING m \
<br /> be drpsed to confortn wiU the ex�stin ode, prepore6 and seeded. �� -CROSS DRACING �� Seaimont sndi De re oved ana the t�mp restored to'b oriq�noi W L
<br /> 9 9� FIOWUNE I dimensions when Ihe eetlimenl hax Ccumulate0 l0 1�2 the tlesiqn tlepl� / 1
<br /> FIOW R of the lrop. Remove0 aed�manl ahail bn deposiled in a s�ilade arva � v
<br /> 20. Remove ull adt fenc�ng ontl slrox•6aie dams ofler permanenl ve9etation has been estaDl�ahed antl growth�s onC;n such a manner thal it will nat nrode. f' ,
<br /> denxe enoagn to efminate ony eroafon oi soils. 3' MAX OEPTH � reo O L 1� �
<br /> i SILT FI�TER FENCE' 't 7ne seefinent tmp:ho�l De rcmwed and the o statflizea when the
<br /> 21. Controctor(s) shall De responsible for reviawing the"Construction PolWtioa Prevantion Plon"for lh�s prqec6 - �M �M comtruclea aminoge area nas been prnperly staDilizea. � Q
<br /> Controdor lo follow oll tertns and cnnEitions of the plan and the(NPDES)permit as d relotes to tne'v work. 3. N�cut abpes ahan be 2•7 0�tlottar. �
<br /> Cnntraclor Hill be re�uired to cnrtify thnir acknowlAtlgmxnt of the permil. ^onstr�ction Prevenl�on Pollution Plan, � SEC710N THRU EI.EVATION fl_ARED END PROlEC110N 7pEE pFjp'jEC710N-FEVC�NO �
<br /> lerms ond contlilions for this project. TNE SIDE SLOPES
<br /> 22.F�nm stab7lization and termination ot parmit requ�rements sholi occur»hen all of the foilo«�n hove been met: OF THE TW1P SHALL �� �T�'2 r/�1
<br /> a All soil tlisturbi odivitiay nre r. I l d. 9 8E 2:7 OR FlATTER. S��r�� SEf POSTS AND E%CAVATE STAPLE THE WIRC ULSH � � \.N
<br /> ) ng ompee A 4'z4'7RENCH UPSLOPF FENCING TC EFCH �OS7
<br /> b) 7emDorory erosion antl se0iment controi meas�res have been removatl or will be remo.etl at an appropnale A�ONG iHE LME OF THE POSfS. �� � /� �
<br /> lime. ppE pUTLEi TO CHANNq. � W
<br /> c)Ali a eas of the construction site nol otherwise covered by a permonent Da�'emant or sWcture have been Pipe OuUet To Ylell-Defined Channel i'x2' POS�OR �rip line-� f �
<br /> stobilizetl with o uniform perennia� vegelahon cover wiR�o density o� 707.or equivalmt mensures have been 4�+c4" iRENChI� qppROVED EQUAL W�RC f[NCING-- �
<br /> empioyea. - ,
<br /> snrvo encs(n�ica) � ��'� I'y
<br /> �ROWiJNE FILLED WITN�"riASHED RNFR ROCK �- �-�g-._� - � � I/ I�
<br /> BACK OF CURB STORM GRAIE
<br /> � s�a sr�a '"«°"�°�
<br /> � � � � I ARAChI THE FILiCR FABRIC !0 (1A,CKFILL iHE TRENCH MlD a�" �iOQ'�
<br /> / % TNE WIRE PENCING ANO E%TENO COMPACT THE EXCAVATED SOiI � m p� e.�� MM
<br /> R INTO TNE TRENCH. AS SHOWN�N THE UPHILL SIDE N�
<br /> J � Of THE BARRIER TO PRE'!EM PIPING. �e,,,,�I °"
<br /> 6 ?tyi 18�.¢19 91_ ��� �" 'da
<br /> ' WAIPACTED
<br /> � FILTER FPBRIC-- BACKFIIl '��� p,,,,�� �
<br /> � I �MM x 3
<br /> -� � - - - ""' °' „ a
<br /> - I--+-r-- _ � ,-�a, ' ,' � - ,ioE_yiEw LL� '
<br /> m �
<br /> �-�-i6i'e-'�1 I 3 I e�Mox � '
<br /> � ry
<br /> � Fence� O
<br /> S�� _' J� I �- I � n
<br /> S o
<br /> �S� �� it _�33+___ = a
<br /> µF vE,p�P V�f' �F)' � 11J¢'wx38"h FA[3RIC fIAA--- I I Ground SuAace s �
<br /> ��.f�`�`�1 ���p�� i HEAdMED TO BACK OF F3AG p�N o
<br /> l" C OI
<br /> '� � OOTfOM OF � N '3
<br /> v GRdERAL N07E5: ORAINAGE WAY y�
<br /> 1. FR4ME' TOP FIANGE FABRICAiED FROM lY'�IY�rJS�ANGLE 9ASE RIM �`--� / � �' �� �3
<br /> ' FABRICATED fROM tYs"xYt"uY"CHANNCL HANDLES AND SUSPENSION � Post ' �Y
<br /> __`__ _ \�� ' BRACKEfS FABRICAiFD FROIA 1Yq"sY�"Fl.AT STOCK.AL DOMESTIC STEEL 8 A �m
<br /> CO�JfORGING TO ASTIA-A36. / POS7 AND FENCE UEfAIL w z
<br /> 2. SECIIAEM E3:.G. fl4G FA�RICATCO fROM 4 OZ./S0. YD. NON-WOVEN A� g o'¢- �
<br /> 1 POLYPROPYIENE GEOi[iCTILE REINFURCED WIfH YULYCSTEft MESM. BAG NOiES: a o
<br /> EIEVATICN The/ence shalt �e laca�ea oulsi0e the tlri line of the iree to be
<br /> SEWRE� TO BASE RIM WITH A STAINLE55 STEEI STf2AP AhD LOCK. POIMS 'A� SHOULD BE P
<br /> _ -- - 3. ALL FlLTER BAGS W�LL BF CLEANED ON A WEEK�Y Bt515 FROM SILT OR 1 ovea and'm no cus ciosu.than 5(aet ta the trunk of ony lree.
<br /> � REPLFCED IF NOT FUNCTIONING PROPERLY. H16HER 1}WJ POIMS '8' �
<br /> e post�siwll Oeecilhcr stontlar0 steel poats o wootl poala wil�
<br /> e.t DRAINAGESTAUCTUREBdLE�FLTEfl 2 oen�ni�,�n �ros sect�o.,ai n or ao sqan.
<br /> - pp�pqp�p�,�pp��g q�� TypE 3 SLT FENCE BARPoEA DETAL Tnz re��oine oy�na�u,or b�higtl sno[he9nce.40"piaslicto(eb fe.ncin9 SHEET 10 OF 10
<br /> 3 any opprove by angineer/inspec
<br /> II�
<br />
|