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HomeMy WebLinkAbout20180682 Ver 1_Stream and Buffer Impact Maps_final_05162018_20180518VICINITY MAP NOT TO SCALE e� '' �_ . ,_ ,.:- � f �� ��� �\ � � r e�� � � `'� Q�$'O_ �' � � � i ,1 MAP C QA � ` ; W� � � �s l,. Qp \ . ''.. � 1 s � � �, � \ � �/`�6°„ � � �� � � � � � � � � _ • � 20' ZONE �,� RIPARIAN BUFFER �o'', % � ',. `� / ��o � � - �i� i�!-- 30' ZONE 1 / / �;� � RIPARIAN BUFFER � %`� � - ' � � ' �; �� �.h� . / ``�' ,�` 30' ZONE 1 �� — � �/ / / � /' i ' �°`�h� / o/ , :.�,„� R� R� BUFFER .� � — _/ � � oA � � \� / � � i �� � � � � � � � � �� ���� ` ; � �-� � � MAP B ! � � � � o,`�`' � �,,� MAP B ; // \ R55 T� Tp � , � ♦ �/ '� ��jU .. /� A5� _ � -SF/T�`�� %� �,,� - �; s - r � �� ��, .. � , .�F:%�� —� _ 440 � � SF. � o � � e�% �a�A MA� �� j�� , /S� i � ��h � / z. � \ ��` � Z �r % '° � \ ; / � � Ji � �_��\ _ � � �f*_� 1^� `"'� 440� �42i � ; S IT - � � �'�� � � r o_ - / � a� � i P, I _ MAP B � ! " CULVERT 1 1 �`����%%°`/ ', � � \ ;� � ''�� � %'' �! � � ' � �� , �, � �� �`� � � 1 �F�� � � �'s� � � ` � ��\\ � % MAP C CULVERT 2 -- �- � MAP C � � _ _ / - � � i � <t - TO NORTHWOOD HIGH SCHOOL / � i t 20' ZONE 2 � � / RIPARIAN BUFFER �y � � � i ! f� r.� .�` � .-� � 30' ZONE 1 , ���� � � /'� RIPARIAN BUFFER ;' ;' �30' ZONE 1 `� `''' /� i ��j/R� RIAN BUFFER ; j � � �� � �� 20' ZONE 2 / RIPARIAN BUFFER / ,� % , o -�,,�, r GRAPHIC SCALE � 80 0 40 80 160 1 inch = 80 Ft. Designer I� � � � ,/ ��-� 435. � �!` i -! 20' ZONE 2 ;�� s��RIPARIAN BUFFER435 � � � � � / , � aa � MAP B / P / :4q442 �� 44( �� � LEGEND ������ STREAM IMPACT TEMPORARY BUFFER ZONE1 � PERMANENT BUFFER ZONE 1 � � �� , �"�-� �� �/ �_ � � �� � � , � > `� � rP � � � � 440 � ��7R , � � PERMANENT BUFFER ZONE2 � � ; �- —�-- �. � r �� - I � � tQQ ' � U .% "�� � � � � � � � �� � � �, � � � ', � o \��PROPO�p � , ' �I � m " r� Q 1 � I A CCESS RoAD —� -. � � � �� �; I� � '� � � �� � ! - � � ,' � � � � � � � � � �� � �I � � � � l � II� 7 , 1 ,'. �I I,� If I 11 III; �5 , / I 1 ' �, , ' �I' ', � I � �' _ � o � i i �� ,I i! r OVERALLSTREAM AND BUFFER IMPACTSUMMARY IMPACT TEMPORARY STREAM PERMANENT STREAM TEMPORARY ZONE 1 PERMANENT ZONE 1 PERMANENT ZONE 2 NUMBER IMPACT LF IMPACT LF BUFFER IMPACT SF BUFFER IMPACT SF BUFFER IMPACT SF 1A 8,116 3, 709 1B 644 2A 44 2B 13 3 52 4 32 5 10 6A 5,320 2,964 6B 662 6C 674 7 47 8 48 9 18 10 28 TOTALS 142 150 1,980 13,436 6,673 "n DdYe "'"V' NORTHWOOD HIGH SCHOOL ACCESS ROAD OVERALL STREAM AND BUFFER IMPACT MAP W 03/16/2018 ]ob No. ra ozisoo9s.oz PITTSBORO CHATHAM COUNTY NORTH CAROLINA �/ WithersRavenel =����N� '/ Engineers � Planners � Surveyors A 115 MacKenan Drive � Cary, NC 27511 t 919.469.3340 I license #: C-0832 � www.withersraveneLcom �; � i / � � --� . ' / �. ;' ' � _ , i / � � / / %' � � /� �� - % / / / �' � i ` 20' ZONE 2 �,,%' PERENNIAL � � \ � � � RIPARIAN BUFFER �/ ' � � STREAM o,'�`' � -- - � % � � �� LIMITS OF � / � / / f � s� � IMPACT #5 ;A � DISTURBANCE (TYP) � / � � / ✓`� ���',o �� TEMPORARY STREAM = 10 LF � � COMBINATION SILTITREE � � / �'� 30' ZONE 1 � �� I,/ PROTECTION FENCE (TYP) �,.��' RIPARIAN BUFFER �,' ` % � / �� '� � IMPACT #1A �� IMPACT #4 PERMANENT � ,'�. \�� PERMANENT BUFFER ZONE 1= 8,116 SF � � STREAM - 32 LF � PERMANENT BUFFER ZONE 2= 3,709 SF �' ..� � ; � � - �' � - ` .� ; � �--_�/ � . �' � ��SFITP ��SF P �,SF/TP � � ; � � �$ . � '��I��IP � s��,A ,�_' , . ` � _ HEADWALL #1 440 I �' '--�. � IIIII.�"I SF/Tp � 445 HEADWALL #2 �' ' , "•' -- ---- - -._ � � ^ _ _ -_ j � -' -- % ', _ _�'-440 PROPOSEDGRADE � IMPACT #3 PERMANENT ., '''"-�+ :.-__� � STREAM = 52 LF ' �„- n 44O EXISTING GRADE _ -- I . 443 I ^ � � i � ^ 442 � � � TEMPORARY � '_ �6+0o BYPASS CHANNEL � , ' - \SFjJp 440� HEADWALL #1 ^ � � ...,`�o ` �SF/TP 'r, ,' ---- �---- 3 � � � _SF/TP ' , I. �. ..\. ----- --440 442 �,, � �SF/���III' � ' , .---------- - ; ` �� T � ) � �� '',; - �� ``, � �� �, � __ � �` ''I�III�' I � SFITP i SFITP ''� i IMPACT #2B � - ` i ' I �— � , �� � TEMPORARY STREAM =13 LF � '� � �� � '�� . � A''? ___ --- -- 20'ZONE2 � � � �' I��^x'� ` ��-'-"= � RIPARIAN BUFF�R � 1 � - �P i % � 435 5z.00� � 48" RCP @ 0.50% 430 �� v v 0+00 LEGEND ������ STREAM IMPACT TEMPORARY BUFFER ZONE 1 � PERMANENT BUFFER ZONE 1 PERMANENT BUFFER ZONE 2 SCALE: 1" = 50' HORIZ. 1"=5'VERT. HEADWALL #2 445 445 iR0i0SED GRADE � I I 440 � EXISTINi GRADE 440 52.00� ' 435 5z.00� 48" RCP 48" RCP @ 0.50% @ 0.50% 52.00' 72" RCP @ 0.50% 430 M M Lf> Lf� �n �n �n � ���� M M M M ���� 1+000+00 5z.00� ' 435 48" RCP @ 0.50% 52�00' � 72" RCP @ 0.50% 430 O� 6) CO CO � � v � 0+50 1+00 �, � _ sF ' INTERMITTENT IMPACT#2A I� � � STREAM AND BUFFER IMPACTS 1-5 SUMMARY �--y'' � STREAM TEMPORARY STREAM = 44 LF I � ' IMPACT TEMPORARY STREAM PERMANENT STREAM TEMPORARY ZONE 1 PERMANENT ZONE 1 PERMANENT ZONE 2 ``� ,' � ' � �� � I NUMBER IMPACT (LF) IMPACT (LF) BUFFER IMPACT (SF) BUFFER IMPACT (SF) BUFFER IMPACT (SF) !'_. � /� � i � � j� IMPACT#1B � 1A 8,116 3,709 TEMPORARY BUFFER ZONE 1= 644 SF 1B 644 � :� � ' PERENNIAL 2A 44 STREAM , I 30' ZONE 1 , 2B 13 GRAPHIC SCALE � I zo o �o zo 40 � / I RIPARIAN BUFFER J�' 3 52 / �' � 5 10 32 � 1 inch = 20 Ft. / 1r TOTALS 67 84 644 8,116 3,709 Designer Scale F Q WR ASNOTED �l Gf5 avene �rawney DdYe NORTHWOOD HIGH SCHOOLACCESS ROAD STREAM AND BUFFER IMPACTS 1-5 MAP ,� Eng;�ee�s,P�a��e�s�s���eyo�s 5og�° ,� a3,16,2018 (CULVERT 1) Chedced By ]ob No. 115 MacKenan Drive � Cary, NC 27511 TB 02150�98A2 PITTSBORO CHATHAM COUNTY NORTH CAROLINA t919.469.334011icense#:C-08321�w�withersraveneLcom INTERMITTENT STREAM � s` \ / �� � \ �- ``�-. G IMPACT #6A �� � ^� PERMANENT BUFFER ZONE 1= 5,320 SF ��� �Q -�--_ PERMANENT BUFFER ZONE 2= 2,964 SF � \ \� XQS `� \ � � , � . ` ~ ' �ko° s \ ` S��P � ,�. / � � � ��,. � � ,.�_ , •� ,\ j���e � � . � L IMPACT #7 \ \``o� ' �\\\\/ HEADWALL #3 � _ � ti �' � �, _:' , . �( i � � � ��,. �FRP TEMPORARY STREAM - 47 LF $-` IMPACT #66 1 �"� TEMPORARY BUFFER ZONE 1= 662 SF '� �.., � � ���, , \, i � TEMPORARY STREAM PUMP � ' AROUND/BYPASS AREA GRAPHIC SCALE 20 0 10 20 40 1 inch = 20 Ft. Designer / ���� / 7,� � �� � /.-' g4�e, / � IMPACT #8 � � PERMANENT STREAM = 48 LF � / //� , HEADWALL #4 , „..,_, � , � �/ � I1II'1� SFITP F�Q i - r � � .� 20' ZONE 2 RIP-Al31Af�L�UFFER_ � � / � /� \� �,�. i� COMBINATION SILT/TREE � �' PROTECTION FENCE (TYP) � LIMITS OF DISTURBANCE (TYP) � a ' /SFI� = � SF��P � - - /� /s� --� � '� � � �� HEADWALL #3 �'` 455 � '\ - _ _ � \ _ � � IMPACT #9 PERMANENT STREAM =18 LF - �,�. - IMPACT #10 TEMPOARARY STREAM = 28 LF IMPACT #6C ' -., � TEMPORARY BUFFER � ZONE 1 = 674 SF 30' ZONE 1 RIPARIAN BUFFER 450 445 EXISTING GRADE PROPOSED GRADE �o 0 «� v � v v �+5� 48.00' 36" RCP @ 1.25% LEGEND ������ STREAM IMPACT TEMPORARY BUFFER ZONE 1 � PERMANENT BUFFER ZONE 1 PERMANENT BUFFER ZONE 2 SCALE: 1 = 50 HORIZ. 1 " = 5' VERT. HEADWALL #4 455 PROPOSED GRADE 45O � � � i 445 � I � _ EXISTING GRADE � 440 titi rn rn o 0 c�i ch �ri �ri v � v v 0+50 1+00 STREAM AND BUFFER IMPACTS 6-10 SUMMARY IMPACT TEMPORARY STREAM PERMANENT STREAM TEMPORARY ZONE 1 PERMANENT ZONE 1 PERMANENT ZONE 2 NUMBER IMPACT (LF) IMPACT (LF) BUFFER IMPACT (SF) BUFFER IMPACT (SF) BUFFER IMPACT (SF) 6A 5, 320 2, 964 6B 662 6C 674 7 47 8 48 9 18 10 28 TOTALS 75 66 1,336 5,320 2,964 vR ScaIeASNOTED STREAM AND BUFFER IMPACTS 6-10 MAP odYe NORTHWOOD HIGH SCHOOL ACCESS ROAD W 03/16/2018 �abNa (CULVERT 2) ra ozisoo9s.oz PITTSBORO CHATHAM COUNTY NORTH CAROLINA �/ WithersRavenel =����N� '/ Engineers � Planners � Surveyors C 115 MacKenan Drive � Cary, NC 27511 t 919.469.3340 I license #: C-0832 � www.withersraveneLcom �-------------i i i 'i i i '� i o � � o ' � � � � -----� � F=====____--- � ---------- �� .� �� �� � ' -- ��� � � / � � i6 (TYP) � � ,, , � � �� ,;�� � �� �, ,, � � I ��� �45(TYP�\ � � ��'' �' \ ii � i I � � � � � � � �`, � tl II � � I I a� a II � I � � II � � � i i �q --- ° ii � � ��,������ — i i i �` � —r °------- — T_- :. L------� � a � �s �I°V _----a— ' ' iu 1 �g '– PyASe2 r � .� , IJ➢�- � pNASF3 � I \ �4 /_-_.— _ — ..__ .—_ R50' � �..,RS'(Tl"PI o i ! i ��I i' �.. � i I \�� \ `� ��j /, ��, �.\ � � 5'HCAWESS / \O \ I I � � 2q��7yp) ��h � � I I \ . R10'�TYP) I I II � � 30' � � � R5'(iYP) � � ` I I � �% �� � � I e I \ � I I �� � `��7fi�\ x � � i I �� �� � \ 30' / P I �� � 18'(TYP) � � , ,, � \\ �� ,, \ PHASE 3 E �m au\ � � � PHASE 2 ih➢ % � I \ � ` �� \ � \ � � \ �� � � � � � , � � R3o, '�� � � � � \ , �\ � �i��`�u�� � � � � � � � � a � � � � � � Rrn R10'(TYP) 18' (TYP) � s' (n'P) \ I I I� � � 9' (TYP� � � � � . � I � � ) _. _.I I � � .. � 13 � �� � -. — -�� e � � �I � 13 � �R20' . � I� i � I 1 � � ,� �� � � �� � � .�� � � ' � � 24' (TYPI `� % � . — p � � i � �� \ /' � \ / , _\\ 16 �� ' �. � � / r :: (` � i � �� �/ i -� � \ �� ' i F ��,� � '� , , �� \ \. I — y� TIE TO EXISTING i CONCRETE ME�IAN ����� STOP BAR AND STOP SIGN Rt5' LEGEND ' ' � TREELINE ----- RIGHTOFWAY - � � � � RIPARIAN BUFFER GENERAL SITE NOTES: i3 i. m�. r,. wo.,iscrn= u c �oa , i.�. i,rceourni n t i irs r vcn+:.u* Ah�OHE.ITEM ESABI'�UIfVRi PAN.'HE�CTA RSHPLLPROVI�EALL�EE�,PF �..rVEY1NL�� I INLANDG3NUEANIIi�Lo�IN RhlAi�yl0ENR111WORk 4-I'PV_fAENiSVGGFAUFSSHPLLGESGAf'.141EIliGA�EfTHU IN.HF54NUCGMfACikDI';PMI.IMUM p^VSfilOF100FEMCENTJ�ASTMC1a]CENSittATOPiINJMMiNS�JoEC011-`i 111VLE55OTNERIMSE ��� �WN ON iFi[ CONsiRucloN FL4N5 oR PS oIRCCiCp 9Y t� E GFai[ c N Clu CNGINCER. �. FII.lS:.ALL8I:PLAG[�ANUCOMI'ACI"r,pASDIREC1HlpYiHECfCet;hINIC0.FNGINFFR. . 1i- JNTRACO IS-ES'CNSIBLEFOP.ENSJFINGFLSDIL ESTINL"IS'EPFIRMr�FNCTHFRSULTS raaw aocor nEcv nd�_auuocmri�a. fi. GO iPA.ipaS All URNI rHNCI tALI IIFPVEMlJtMAP I�..SiCVJNONi FrLAN�S.nLLfNNi FfP-AVFlAEN MARFIIJ' HALA MEP N JGTS ANf1MC-. t! SSNC.EfJCTHtRNISE. TEiINGOFMPIEHIA IXll �FOFT CONST- CPIXVOFRIEAC :.SaW�IIPRIJEAENTSSVALLAE I fFC31F-JNY NW 0\L�A�f F�Stl GMP'ERIPL EdJ411V 11 N 4I lE�� IN� N1ANl. P\YM"V� ]FEA HTESIN � E N SSH,tiL9' Mf.(1 3Y J✓JN'ft. I 5 4LL8E ECONiRAC OP'S Pf C EI91LIi t OWtI�'S'HNI [LiII�k3Pft0 COl1FE5tlA(iVCWOP,xCONS�RUC1[�ML'ciSiHE R-W�,IREMEtJT LW -tiE NG10T AAI� MUtJICIPAL'S SPECIqGATI0N5 z nuoim�:sionsneerorxe:ncea-aavw�enruN�essoni�wise�ior�i. 9. FiiPf�GIIAFETO?fEE�GEJF'rAVEMENTUI'l�ESSG�HERWIS-NC�iEC�. 9 I PFGJEC�IS I II HI �OWNSW IFF5IIDGW_I I V�I NI 1. ic mci, mrr runwn�o o HnNsrn� e.r ns. nar i is su . ai_ H. e nvrvr . a �cri u �r n! trie �w-ac.ou i-��n� icmNc, Hesacianuoa�arestinuae -ewmo His�,ire I M A v�IlfJSiIlU110NOfi t �Y F C'. ViqtFixf �Y F'Mt FEqUIfF II I�I,I�1GV'I ,11. �uemirrE�nrnnraR�v-msrn+r inrnara�na�enaaica oivsrryan�u PAVEMENT MARKINGISIGNAGE NOTES f. P�ISNJEMMMRINGSS�'�ALLBETHEr.MOaINSiIC,e<CE'iFQFPARKINGSil�LLS. NNO IN�SinI.I.EO AFiEP FINAL9V[N�Avl5 �OAFI.F1'FD. ] 'I. �ML',vl'M21 IALtl1lINSiALIE0INACC�RDANCc'WIiHNC00t 4N�Ar.CSL .P I I 'IONS. i I'R I FI'kIN�S �IIAII.I.F AVPROVI:vl13Y NroGI'TRh 'IC FNGYIJLER PNIGR i�� OAP 1IGN . f�311AN2�iGAVEM �I MARKHiS6HALLEEIN6TALLmIP1AGCOMANG�WITHNC�C�T sro +aso a .. ixEt�IrvIMUM0.EANAN[;k"HFIuhVi54iLIFB0ii0MOF51G1JISlAN�Y�EfVL,HAnieiEl. �osrsun��aeusEa. �. ALLSIC4AGESHALLBEHIGHIN�FJVSITYPP,ISMGRA�EAIJ�MJUNTEGqV3LB5�Pr�LES. Illlllllllllllllllll�lllllllllllllil �"� `� ����� : �• .• • �i�+: .�''o. �--ad;e N • • � s • . •��. i'ii��i�L`i'•• �"II������� I'll��ll'�IIII�IIII�IIII _ �'I II�III'�IIII�II I I� I'll�'II'�III'�II'I�I"I ���� ���� HEAW DUN — FIRE UNE/TRUCN ROUTE � _- �_ �A � � i ` �','% �� j �! � �� � � \ j � � 20' ZONE 2 RIPARIAN BUFFER ' �,, �� �, % �, /� \ 30' ZONE 1 RIPARIAN BUPFER � \ � \ � � �• / �, \ � < \ � � � i � ��_ 30' ZONE 1 RIPARIAN BUFFER � , � `� .., / \ TOP OF BANK � � ,1 ��Y� 20' ZONE 2 RIPARIAN B�FPER f \\ � \i \ � � � �� � � � � _ -- � � � . �____ EXISTMG LIMITS OF FlELDITREE LINE � / / , / /' , � � / � / / � / /� / j/ / i / / i � / / / "' �� 20' ZONE 2 R PARIAN BUfFER��` / // � >%� � / /� 30' ZONE 1 RIPARIAN BUFfER / / � � � --� � '' � i , .AL�FILI�NpERPROPOSE�PhVEMENTAREAS SHNLL BE PLACE� AS OIRECTED BY THE GEOTECHNICALEI�GINEER. UnIlES50THERW�SE STATED. NO fILL SHpLL BE COMPACTE� TO LE55 THAN 95°H RELATIVE COMPAG'lION AS �ETERMINEO BY ASTM D-69B STFlNOFlRp PROGTOR MEtHO�. 2. UNLE55 OTHERWISE STATE�. THE TOP 121NCHES OF SUBGRADE SHALL BE GOMPACTE� TD A MINIMUM 96% OFSTPNDARDPROCTOR. 3. PRIOR TO PLACEMENT OF HGGREGHTE BNSE. SU6GRAOE SHaLL BE PROOFROLIE� nN0 V1EL01MG HREAS REFAIRED AS OIRECTEO BY THE GEOTECHNICHL ENGIIIEER. 4 AGGREGFTE BASE COURSE SHALL BE PLACED AIY� connancreo ns o�aectEo ar rHe ceorecHNicA� ENGINEER UNLE55 OTHERWISE siFTED.NO ABC SHALL BE COMPACTED TO LE55 THAN 100°A RELATIVE GOMPHCTION AS pETERMINEO BY PSTM at55r MOpI:IE� PROCTOR METHO� 5. ASPHALT PHVEMENT SHALI BE PLACED ANO conn�ncrEo ns o�REc�o av rHE cEo�cNNicn� ENGINEER. IN ACCORDANCE WITH THE MOST CURRENT FlASNTOSTANDAROS. ASPHALT PAVEMENT :'VLLSCCiInN � 2S EP-EV SH011l➢52 A' GRA66E0 Z PAVLD SNOULDER l PAVEG SFIIXiLGER � � 11' �R�AVEL LANE —}— � t' iRAVEL�ANE —}-� I I 3'S95B� / . ns.00 - P'�e.- TYPICALSTREETSECTION / � �� 30' IDNE i RIPARIAN B�FFER / �� i \ � / / ,. ' �� '20'20NE2RIPARIANBUFPER-� TOP OF BANK �' / / i � / � GRAPHIC SCALE 1 Incn = 4o ft. —.�.J 'l',i i � BY. —�� , J� KNOW WHAT'S BC�LOW. CALL BEFORE YOII DIC. ALLCONS+�i'ilCiIPYSH/�LREIiJACCOR9ANCE Wlil�l tOVJAfy h'I-15H�Ii0At�V NC1}]1'StA�I�h4D �ENLSANO SP�IqCFl1I0NG. UiiESTF.EN5101�1'p. J � _ � � uo 2 � w Ov � Q _ � � � Z a � W � N M aw wN �_ V a Z � � LL U Z 0 � 0 m � p��SH CARp i. `O��° Qoi[sS�p� :'��'' lQ ��- �i PRELIMINARY NOT APPROVED FOR CONSTRUCTION � � `NGINtN��••"�,`�� '.�BRA M.FE� . � 11�11�����"` � C2.2