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20170226 Ver 1_670104_hyd_prm_wet_package_20170221
���, , North Carolina Department of Transportation `;\ 1 li�;h��ra� 1 S l [�1`117'�'►�d tPi` I ..,, Highway Stormwater Program STORMWATER MANAGEMENT PLAN (Version 2.06; Released June 2016) FOR NCDOT PROJECTS WBS Element: 17BP.7.R.96 TIP No.: SF-670104 County(ies): Orange Page 1 of 1 General Project Information WBS Element: 17BP.7.R.96 TIP Number: SF-670104 Project Type: Bridge Replacement Date: 7/19/2016 NCDOT Contact: Matthew Lauffer, PE Contractor / Designer: Fuh, David, PE Address: NCDOT Hydraulics Unit Address: ICA Engineering, Inc. 1590 Mail Services Unit 5121 Kingdom Way, Suite 100 Raleigh, NC 27560 Raleigh, NC 27607 Phone: (919) 707-6703 Phone: (919) 900-1612 Email: mslauffer@ncdot.gov Email: david.fuh@hdrinc.com City/Town: Eno County(ies): Orange River Basin(s): Neuse CAMA County? No Wetlands within Project Limits? No Project Description Project Length (lin. miles or feet): 0.07 Surrounding Land Use: Low Residential, wooded Proposed Project Existing Site Project Built-Upon Area (ac.) 0.2 ac. 0.2 ac. Typical Cross Section Description: University Station Road (SR 1712): 2 paved lanes (total 20' wide), 6' shoulder on each University Station Road (SR 1712): open shoulder section, 2 paved lane (total 19' side (9' with guardrail). The first 4' of shoulder is paved. wide) Annual Avg Daily Traffic (veh/hr/day): Design/Future: 1920 Year: 2025 Existing: 960 Year: 2011 General Project Narrative: The North Carolina Department of Transportation (NCDOT) has proposed to replace Orange County Bridge #670104 on University Station Road (SR 1712) over Stony Creek. (Description of Minimization of Water The existing structure is a single span bridge (1 @26') and is timber deck on I-Beams supported by timber caps, timber piles and concrete encased. The proposed structure is a Quality Impacts) Single Span 24" Cored Slab with 4' Deep Caps, 1@65'. This structure has been designed to have as little environmental and surface water impacts as possible. Existing concrete sills underneath the bridge will be retained to avoid stream impacts. To avoid direct discharge of bridge storm water into the receiving water, deck drains are not required for the proposed bridge. Storm water impacts to the stream have been minimized by utilizing grated inlets and pipes to collect bridge storm water at 14+10 LT to a grassed swale for storm water treatment. Rip rap at embankment will be installed to dissipate energy to provide a non-erosive outlet velocity to the stream. At the SW quadrant, an existing roadside ditch outlets to the stream. Bank stabilization will be installed to dissipate energy to provide a non-erosive outlet velocity to the stream. This ditch will be retained and lined with toe protection along the fill slope. At the NE quadrant a 15" pipe will replace existing 15" RCP. The new pipe outlets at top of bank where rip rap at embankment will be installed to dissipate energy to provide a non-erosive outlet velocity to the stream. In the SE quadrant a special cut ditch lined with rip rap will replace existing ditch that outlets to the stream. Rip rap at embankment will be installed to dissipate energy to provide a non-erosive outlet velocity to the stream. Due to the nature of low impact bridge replacement, the increases in stormwater discharges (post vs pre condition) are insignificant and the existing ditches do not need to be modified. Therefore, additional stormwater measures are not required. Waterbody Information Surface Water Body (1): Stony Creek NCDWR Stream Index No.: 27-2-13-(2) NCDWR Surface Water Classification for Water Body Primary Classification: Water Supply IV (WS-IV) None Supplemental Classification: Nutrient Sensitive Waters (NSW) None Other Stream Classification: None Impairments: None Aquatic T&E Species? No Comments: NRTR Stream ID: Buffer Rules in Effect: Neuse Project Includes Bridge Spanning Water Body? Yes Deck Drains Discharge Over Buffer? No Dissipator Pads Provided in Buffer? No Deck Drains Discharge Over Water Body? No (If yes, provide justification in the General Project Narrative) (If yes, describe in the General Project Narrative; if no, justify in the (If yes, provide justification in the General Project Narrative) General Project Narrative) • � � V W � O � � � � � " I � '� ' I ' I . (�> I � \� C�)1'� " I � I-I � '� I'� (�) I . I \ '� II> I � � I � I (�� \ (�> I � I-I l � i l-I \�` � �� � � � o��GE cou�TY LOCATION: BRIDGE NO. 104 OVER STONEY CREEK ON SR 1712 (UNIVERSITY STATION ROAD) TYPE OF WORK: GRADING, PAVING, DRAINAGE AND STRUCTURE , ��„ �� ,�. (�►� �v>> , I I ., ., �„ \ � � . 8� iii�i I I:'� I'' ., �, ,� �- DESIGN DATA ADT 2011 = 960 ADT 2025 = 1920 V = 35 MPH SUB REGIONAL TIER LOCAL WETLAND AND SURFACE WATER IMPACTS PERMIT PROJECT LENGTH LENGTH ROADWAY TIP PROJECT = 0.054 MILES LENGTH STRUCTURE TIP PROJECT = 0.012 MILES TOTAL LENGTH TIP PROJECT = 0.066 MILES Prepare0 !n the Office of Halch Molt MacDoiwlO for w DIVISI0111 7 NORTH CAROL/NA DEPARTMENT OF TRANSPORTAT70N 2012 STANDARD SPECIF7CATlONS TIMR EORDANRPE LETTING DATE: DAVID FUH PE HYDItAULICS Eh'GMEEX NCDOT CONTACT: TIM POWERS, PE OIVLSION BR[DGE PROGRAM MANAGGR ROADWAY DESIGN ENGINEER HI'DRAULICS ENGINEER P.F.. SlGNATVRE: PERMIT DRAWING SHEET 1 OF 6 GLI I�T("��L�LETE I�LA�T� DO NO'C [JB� ROR R/ W A(MNBTIRON PLANS PREPARED BY.• � Hatch Mott �� MacDonald PO Box 700 Fuquay-Varina, NC 27526 (919)552-2253 (919)552-2254 (Fax) wWw.hatchmott.com LICENSE NO. F-0669 � � i121 Kingdom Way� swce i po Italeigh, NC; 27607 u���a�e�.�o ���o_-�� Engineering DETAIL A DETAIL B LATER4L GRP,SS SWALE SPECIAL NT DITCH � Nof lo Scalc� I Notfo S�ole� c,om O Ortch Narural � ` Fill Gro�nd z) ryE�o e� Slope � c.au�d 3,.� p�,� o.oa Siope d � NOW OR FORMERLY D.�y. HILL STp Min. D= 1 Ft. Gea�e.{ue Min. D= 1 Ft. �� 6- 2 fl. C� Type ofLiner= B Rip-Rap Mas.d= 1 Ft. (4. �:f`\ -L- STA. 14+55 TO 14+96 LT -L- STA.15+75 TO 16+00 RT ` `�'.. PROPOSED GRA55 SWALE BMP � �74+55-14+96) OUTFALLS TO \ DETAIL C DETAIL F PROPOSED RIP RAP AT EMBANKMENT \� LATERAL'V' DITCH TO DISSIPATE ENERGY TO PROVIDE � TOE PROTECTION A NON-EROSIVE OUTLET VELOCIN �No�m s�oiei INo��o s<oiei (y7p<2fps)cT0 STREAM ��a Q,0_0.5 fs,V1�-,.8 fPs ti\E p$� s�ore �.o �a p o a cxouNo d psaM Min. D= 1 Ft. Max. d= 1 Ft. RAP d= i F. �gq 6= 2 Ft. L=10 Type of Liner= PSRM Type of Liner= PSRM -L- STA.13+80 TO 14+42 RT -L- STA. 74+08 TO 14+55 LT -L- STA.16+25 TO 16+70 LT = o "Y —L— a. 3+6759 a°�` —L— PC SYo. ll-f00A0 "' .cur �'000s � � o �nN� wv�,�— � I o GUYO ' ' -- --- 51G °^ G11Y0 CAB x RR / I� a GATE /05T '�I �I O / \e' Rp — t�1 � _� .,Tv SZPj `W � �, 480 � � 3 E 470 o. -o � 460 � � � 450 � � � N ` 440 � U �� � z� 430 �w za �� w� w� coz � ��� c�zT \w � � �-m f7�'�� .� \ � \ \RR GAT ��m1 N� \� ���0 l00 0 50 100 SCALEe I"= 100' HORIZ, BST & GR @r �GUYS �b / \� D� W. HILLY yN EXISTIN �.`RETE SILL m ,�� �'//� �✓�! 1��. PROPOSED PIPE OUTLETS AT TOP OF BANK. PROPOSED RIP RAP AT EMBANKMENT TO DISSIPATE ENERGY AND PROVIDE A NON-EROSIVE VELOCITY (V10<2fps)TO STREAM. / Q10=8.5 cfs, V70=1B fps LOLA J. HILL �ENNIFER NOUSER \ �'ILLiE BRIGMAN RAP AT E ANKMENT EA/D PROJECT l7 .7.R.9E ,�+ Q%� +�K ST IZATION) _/ — pM C4n n M ` : E�% � I � � � PIPE OUTlETS TO E%ISTING DITCH. PROPOSED RIP RAP IN DITCH AND PROPOSED BANK STABILIZATION TO � DISSIPATE ENERGY TO PROVIDE A NON-EROSIVE VELOCIN �V10 <2fps) TO STREAM. �N Q10=0.6 cfs, V10=1.7 f s SEE ENLARGED AREA ON NEXT SHEET ][�1[���T ��]�� � ���� � ROBERT R.HOLLO�AY I' � � � ROADNGINEDR � NNGEL704 JS �Y �1 �O SHEET NO. 4 IYDRAULICS ENGINEER �" / I�T�O�IFLE E PLA�T@ P DO NOT [7¢6 POA W A�JUV�I40N �� �PO / HnrcH moTr mncoannio ia E,uc \ y / /p�'� � /,�� /�Q WOODS e, /0/ �}/\' �o Q /�Q. � GP� � / �p�j . EIP �ELL F / 5 SCATTERED TREES + " QB / '�OODS � �' / EIP IS' RCP� / / � /IB'RCP � ------ � �� — � i -- us �o — co ��n �iuivraarv STdT10N RD. 19'BST �laj�i��—� RETAIN= SCATTERE� TREES , •LT �� N� y f nP� � q� OWp EMALY J.�FRANCIS WETLAND AND SURFACE WATER IMPACTS PERMIT ��� BEGIN PROJECT BEGIN GRADE END PROJECT STA. 13+50.00 — STA. 17+00.00 EL = 461.64' � BRIDGE 4 ST .15+3 .5 -L- sw��e sPnN� za P cs END GRADE ��_ wra qeeP enps � I ELA= � 4570.� 0 1 C' 65'; SREVJ 75Pi� I �� � � � � _ GP ELEV. = 455.48 � `�� PI = 14+40.00 I PI = 16+00.00 � EL = 455.18' � EL = 455.69' gLEND � VC = 90' VC = 70' TO K= 12 � K= 26 EXIST II ( ��Ri _ ..._ _.�L. �B IDGEE EXISTING 10 11 12 13 14 RETAIN. 8 EXCAVATE TO TOOP OF EXIST. _ CONC. SILL APPROX ELEV�-443.0 15 II'�RIP RAP (TYP.) . tUCTURE���PAY ITEM) APPRO% ELEV-443 NORMAL WS ELEV.=441.1 DATE:4-4-2016 16 ' SPf IT RAIL F�N� IS' RCP f � \ \ o � ��d�\ \ \� � PROPOSED DITCH WITH RIP RP.P. DITCH OUTFALLS TO TOP OF BANK PROPOSED RIP RAP AT EMBANKMENT TO DISSIPATE ENEI AND PROVIDE A NON-EROSIVE OUTIET VELOCITY IV10<2fps�. Q10=12 ch, V10=i7 fps 4 NJEANRSMGONZALE2 �� �� �� �� � � � —� _ �EXCAVATION = 500 CY (STRUCTURE PAY ITEM) 17 18 19 BOBOY M. CLAYTON. JR JUDY H.CLAYTON 20 LICENSE No. F-o669 DOCUMENT NOT CONSIDERED FINAL UNLESS ALL SIGNATURES COMPLETED repare i 1 o"'Ce °` ;� Hatch Mott ABBIE B. MCCAFFITY ruQuay-Va�mn Nc : �` MacDonald wwWs���ott.�om ' ��i:l.,,-.:.�.: F „_,. - Engineering VERTICAL SCALE HORIZONTAL SCALE � 2��� DETAIL D RIP RAP AT EMBANKMENT �rv �ro s�oie7 ,a-m,�. Ifd. �9'��� Di�ch i o•ml� z, Grade GEOTEXTILE -i- srn. is1oo �r -L- STA.15�, 40 LT -L- STA. 15+66 RT DETAIL E L E G E N D BANK STA8ILIZATION � rvoi �o s�oie� �DENOTES IMPACTS IN Fl+er � s SURFACE WATER Fabnc S Type of Liner- CL45S II RIP RAP -L- STA. 15+30 RT. PERMIT DRAWING SHEET 2 OF 6 BR/DGE HYDRAUUC DATA DESIGN DISCHARGE _ 1700 CFS DESIGN FREQUEN�' = 25 YRS �ESIGIy hl� ELEVATION = 448.7 fT BASE D/SCHAR6E = 3/ll �FS BASE FREQUENCY = l00 YRS BASE FlW ELEVATIQN = 45/.53 FT OVERTOPP/NG D/SCHARGE = 5300 �FS OVERTOPP/NG FREQUEN�' = 500+ YRS OVERTOPPING ELEyATIOA/ = 4553 FT DATE OF SURVEY = 4�4 20/6 yys.E�vArioN _ ��� � AT DATE OF SURVEY 480 470 460 450 440 430 DETAIL B ; \� \ \ \ � � � � � � � �\�� � � � � � ._ — _ _ _ _ \ � � \ � � \ � \ � \ � �5 � � � � � \ � � PROJECT REFERENCE SHEET NO. DETAIL A � � � � � � � � v� � � LATER4L GRP,SS SWALE SPECIAL NT DITCH � \\ \ \ \ � � � � � � � � \� �� � � � � - - - - - � � �� � � � � � � \ e� \ � � � � � � 176PJ.R.96 - ORANGE 704 4 � Nm m s�ai�� I Nono s�oiel � 1 � \ �� \ � \ � � � � �� �� � � - _ _ _ - � � � \ � � � \ � � � � � � � \� � � � F,p � 1 � \ � \ � �\��C� � � \ \ \ \ � � � ` � ` � ` _ - � � �� \ � � \ � � � � � � � \ � ROADWAY DESIGN HYDRAULICS oacn \ � � ���\ eP � � \ � � � �� � � � � � , - - - � � � �� \ � � � � \ � � \ � � � ENGINEER ENGINEER Nmo,ai 1.> °` 1 1 \ y � � � � � � \ \� � � � � � � � � � � � � � � � � \ � � \ \ � � � Nam,oi 1 �_ F�u c�o��d ?� E��e smae 11 \\\ � ��� � �� �\�� � ��\ �� � �q� ����\\�\ �\ � �\ �\�\ �\ � �� � �\ \�� �� \� �� \ �� �� ��_ � c.au�d 3,.� p �,� o.oa Siope d � 1 1 N � �F.OR�JI RL \ ��` � � � \ � � � � � � � � S � � � � � � � � � ' \ P \ D H L € y � �� � � \ � � � � � � S \ � � \ � � �96 \ � \ � � � � \ � PROPOSED PIPE OUTLETS AT TOP \ \ \ \ Min. D= 1 Ft. 1 \ � � � � \ �\.�� � \�� � � \ q \ � � � � � � � � � � \ OF BANK. PROPOSED RIP RAP AT \ � \ \ \ � � \ � \ � eeaie.{ue 1 � e � � I � � � 56 � � �\ � � � � � � � \ � \ \ \ � 6- 2 fl. Min. D= 1 Ft. \ � � � � � � ���Q��� � \ �� \ � � � � � � � � � � EMBANKMENT TO DISSIPATE ENERGY � 1 \ � � Type of Liner= B Rip-Rap Mas. d= 1 Ft. � � 1 � � � � � \ � \�� � � _ y �� � � � � � � � � \ � � � � � � � � � � � AND PROVIDE A NON-EROSIVE � � � \\ \ � � \ \ 4jS� \ �� � � � � \ \ � . � ��Z� � � � � \ � � � Q� � � K\. ' _� � \ � � � \ � � � � � � � � i � VELOCITY �vio <zfPs) To STREAM. � � \ � ` ` � � � I�T�0�1'IFLE E PLAN@� -L- STA. 14+55 TO 14+96 LT -L- STA.15+75 TO 16+00 RT �� }j � �� \ � �\ � Q10=8.5 cfs, V70=1.8 fps � � P � � � yp � ppA W A�,,�,..,,,�,„ PROPOSED GRA55 SWALE BMP � ��, \ � \ � \ � � � \ � � � � � w�qe•�� �74+55-14+96) OUTFALLS TO \ � � �\� \ � � \ � \ \ \ \ \ \ � � � � � \ � � � 'IOLA J. F{ILL � \ � �9 J�HIFFR HOIISER � � \ � \ � � PROPOSED RIP RAP AT EMBANKMENT � � \ \ � \ � \ � � � \ � � � \ \ �\ NZL1E BRIGMAN � � � � %0� \ � � � � � � DETAIL C DETAIL F ro oissiPnre eNeR�v ro PROVIDE � � � � � � � � � �� � � � � �� � y � TOE PROTECTION LATERAL 'V' DITCH A NON-EROSIVE OUTLET VELOCITY \, � � �' — OR � � � � � � � � \ � � �( � � � � \ � � �� � \ � � � � � � � � � �/ PQ � � iNo,�o s�oiei iNo�m s<oiei y7p<2f s TO STREAM � \ i FO Y \ \ \ \ \ � \ \ � \ � � � �P \ 7�'� � � \ � NnreH moTrmneoannio is E,ue 1 ) � � � , � '' 4 �� � � � � \ � � � � � � � \ u�eNse Ho. F_obb9 a Qio=o.g �rs,vio=i.s r N 4x4sna � �^�� \ � � � E� D PROJ�CT 7.R96 � � \ \ pR Ps � � � \ � �� \ \ P T E AM�(M T\ � � \ \ � � � P� \ � � \ � � \ \ ti��E s�ore G.o �a p - - � .__ � �� � � � � \ � EiE 5��� � � (B S IZt�TIo�) � I � � � \ � �� � � \ � / \� \ � � \ � � DOCUMENT NOT CONSIDERED FINAL "" ""` F o � � - - - � � � �� � � �� � � � �6 �F � � \ 7tz � � � � -Lt $f'p• /� ,�- � � � \� � /' \ � q � UNLESS ALL SIGNATURES COMPLETED cxouNo d _ _ � . \ . y � � Min. 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NORMAL WS � CONC.SILL ELEV.=441.1 APPROX ELEV�-443.0 DATE:4-4-2016 11 12 13 14 15 16 �� �� �� �� � � � ;- �EXCAVATION = 500 CY (STRUCTURE PAY ITEM) 17 18 19 20 BR/DGE HYDRAUUC DATA DESIGN DISCHARGE _ 1700 CFS DESIGN FREQUEN�' = 25 YRS �ESIGIy hl� ELEVATION = 448.7 fT BASE D/SCHAR6E = 3/ll �FS BASE FREQUENCY = l00 YRS BASE FlW ELEVATIQN = 45/.53 FT OVERTOPP/NG D/SCHARGE = 5300 �FS OVERTOPP/NG FREQUEN�' = 500+ YRS OVERTOPPING ELEyATIOA/ = 4553 FT DATE OF SURVEY yys.E�vArioN AT DATE OF SURVEY = 4�4 20/6 _ ��.� � 480 470 460 450 440 430 l) z � z a Z �O Z sQ �� WETLAND AND SURFACE WATER IMPACTS PERMIT RIP RAP AT EMBANKMENT (BANK STABILIZATION) L=10' ��\ \ \��, PROPOSED GRAS SWALE BMP ---�\�\ (14 + 55-14 + 96) OU LLS TO � PROPOSED RIP RAP A EMBANKMENT TO DISSIPAT ENERGY O PROVIDE A NON—EROSI OUTLET ELOCITY (V10 < 2fpsj TO S EAM Q10 = 0.5 cfs, V10 = 8 fps �� GRASS SWALE DATA DA= 0.11 AC SLOPE= 3.22% L REQ. = 11 ft. L PRO. = 41 ft. Q2 = 0.4 cfs V2 = 1.7 fps D2 = 0.26 ft. Q10 = 0.5 csf V10 = 1.8 fps D10 = 0.30 ft. % � PDE —� ��\ � PDE � _-f--�---� INSIDE R/ I STA. 14 + 55 TO 14 + 96 LT � TB 2G1 F 6 0 PIPE OUTLETS TO EXISTING DITCH. PROPOSED RIP RAP IN DITCH AN� PROPOSED BANK STABILIZATION TO DISSIPATE ENERGY TO PROVIDE A NON—EROSIVE OUTLET VELOCITY (V10 < 2fps) TO STREAM. Q10 = 0.6 cfs, V10 =1.7 fps 30 0 15 30 SCALEe I°= 30' HORIZe � P�E RETAIN EXISTING CONCRETE SILL �� \ � � �. `� � \ �J � \ � � - PDE �\ � � P � 1 V' � 5" F �� �-cr . - _ , : �%i� //� �� BANK STABILIZATION L=15' 0 u ��►, ,;� , II•'�� I .; .,:\ \' ` .�1 ry0 P � RIP RAP AT EMBANKMENT �P° (BANK STABILIZATION) L=12' PROPOSED PIPE OUTLETS AT TOP OF BANK. PROPOSED RIP RAP AT EMBANKMENT TO DISSIPATE ENERGY AND PROVIDE A NON—EROSIVE VELOCITY (V10 < 2fps) TO STREAM. � Q10 = 8.5 cfs, V10 =1.8 fps • �`• • , — � �ii'►��1'!� ������ ����� ��� ��1L�e � 15" " RCP 0 0 RIP RAP AT EMBANKMENT (BANK STABILIZATION) L=11' - � � �� � � • I� r1��L�r� 'II � SCATTEREC • L PROPOSED DITCH WITH RIP RAP. DITCH OUTFALLS TO TOP OF BANK. PROPOSED RIP RAP AT EMBANKMENT TO DISSIPATE ENERGY AND PROVIDE A NON—EROSIVE OUTLET VELOCITY (V10 < 2fps). Q10 =1.2 cfs, V10 =1.7 fps LEGEND DENOTES PERMANENT / i IMPACTS IN SURFACE WATER l) Z � z a Z �O Z sQ �� ��>> , ), ', 1•)-� I ., '-\ \' . ' � WETLAND AND SURFACE WATER IMPACTS PERMIT .�1 ry0 Q. I� �O�IPL� E PLA3 � � RIP RAP AT EMBANKMENT � (BANK STABILIZATION) RETAIN EXISTING RIP RAP AT EMBANKMENT P° ""�`""'°E�'�`NOF0669g`"` L=10 CONCRETE SILL BANK STABILIZATION � DOCUMENTNOTCONSIDERED � � ' �� � � U � ��� � � ( � � � � � � � � UNLESS ALl SIGNATURES COM � � � � � � � ����� . � I � \ � � � � � �, / I � � � � 1 � � repare � i � \ \ \ \ \ � \ \ ��\\\ � � \ � � \ � \ \ � — \' � � I I I � � Office or. Hatch Mott cn eoo- �, `, , � ,� , � �, � i �� � � �� � `, � � PRO'�OS�D PIPE OUTLEI`S AT T�P I/��Ma�oona�aWww�� � � � � � ��� � � � ` ' OF �BANI�. PRbPOS�D RIP, RAP A� � � .. . � i � i � � �� � � � � PROPOSED G�2AS� �SVG(�ALE B/v�R � � ����� ' ' � ` ` ' ' � ' � ' 14+55-14+96 �l� � Lt�S� TO �� � ��' ` ��� ' � � � ' , , C_71 �, EM�ANKMENT, TO QISSIP�TE EN�'RGY �C �� ( � � � � �� � , �' i �� �� � ' � � i i i ANp PRC`�VIDE'� A I�-flN–ER�SIVE �� engineering��' ;,Fri, V,,,?,o,. PROPOSED Rlg R,�P�A EM�ANKIv��NT �, ��;, � � ,' , � ` � ,' � � ; � '� VE �OCITY'� (V10�<2f TO STREAM. � PERMIT DRAWING TO DISSIPAT �F�I��t�Y�� O ��PROVID� �� � ' � ` � � � � ` � ' � �– �� � � �, SHEET 5 oF 6 � , � , , , `� ���., ' , � � � � � J � , � � Ql � 8.5� cfs, ��0 –1 ; fps , � A NON–EROSI `pl�l�l�ET EL4�ITY �� �� `� `��;,, � �� � � � ` � • '� ` � ` � � �' �' � � (V10<2fpsj TO, S �AJ�A� � � '� �� „ . ��,,, �. , � � � � , �� � � , , , �' �, � , � , � , � � ��� � � � , �� `� - `, � ; , � ,' ,' �� � C�10 = 0.5 cfs, V10 � �8��fp�s, � �,� � S ' �� � ��� � , � , ' �' ' ,' � �� , , � � , � � � � � �\ � `+� �� � '� �� '� � �' �� � i � � � / � c �� � � � � � � � � � < � � � � ( � � GRASS SWALE DATA �� � ` � � �� � �� � �� ,� � �, � � � , � � ; �° �� `� � n '�PD� �� � � DA = 0.11 AC � � � �7" � � � SLOPE= 3.22% �� ��� �� �� L REQ. = 11 ft. � � , � � `� L PRO. = 41 ft. � � � ` Q2 = 0.4 cfs ` V2 = 1.7 fps � ` � ` � � D2= 0.26 ft. �— ��� � Q10 = 0.5 csf � � � � V10 = 1.8 fps ' � k D10= 0.30 ft. ���` � -J�1 __- — — —��4�tC?� -€�—,L�G STA. 14 + 55 TO 14 + 96 LT �- �' -�� �, T B��, 2 G I'�, i � � � � � � � � r -- � --T.-�� � \�� �� �� 18�� �% ; � , , -� � �— � i / � , � � , �,- , , � � � , � � ' � � � � ' � � � � ' � � � � ` � � � , � , , T � � � �� � � , � � , � � � ( ` \ \ 1 \ ; PIPE OUTLETS TO ��EXI�TIN� �ITCF�� � PROPOSED RIP; RAp IN', DI�CH, AN � T PROPOSED B �-NK ;STA�ILI7�,TIQN TO ; ; DISSIPATE ENERGY `,TO � PRbVID'� �, � A NON–EROSI�E O�UTL�T VfLOCI�TY � ' (V10 < 2fps) TO 'STR��AM. � �� �� �� ; Q10 = 0.6 cfs, V�'0 =1 � 7 fps � � '� , , � � � � � ; , � � � � � 30 0 15 30 SCALEe I°= 30' HORIZe —� PDE �,, � -- P� ��' � �� � � � % � �� �� ' �� ��. �` S'� � �� i �i � i � � �i `� �� � `� ` �`�ii i P � � � � �i � ` �`�� �' i � � i ' � i `� �� �� �` � � � , � ' � `, �� �A , � ' �" � J g �P �, .y _�__ , , , , �, �. � , , DE � - �`-- _� � � _ �r � � , � �\ ',, � -_ - -_--==__-_ - '�� '� ���' �� ' " RC '-- ,� �� \ �- --- -----�—D—� � �'J \ _ ,'~ � , _— — --_ �,> --'—_ ---------- ---- � ' � � � � -- � '� -'� ---- � � _ , , , , ; ,, — _ � ��S — � - � —�' � , • �i _ — - x� - � ' - --r— �� 1� r"'^�, i ~~�r' � � � � �,,�� , � � � i i �� �� \ ,��_ � � �� � � , , L - _ . �, �, '� S I , � +�� � � r�rr� � � � � - '� -T� ---- ��F � �\ :�'�4-- ----------__' __ _-; \-- �_ — --f'`��___��� � __ � � TB,2GE '- -- , , _-- --_- �, „ �� ��CP � __ ,__ , , ;,� , ; � , } 5- � � ` �� , � , � - �-� � �';� ; ��� � ,- � ',�,� � , �, - � -�� 48'� ��IT �� � �„ - � /� - \ � � — ��; �� ' --_ \' \ \ \\ olJ_ .v � PDE � , ,- , ,;,, , ' � � � �� , � � \PRE , � ,' � � � , , � ��y� ,_ ,���,, � \ __ __ ,, �, , °� � ' � , � � , , � � , �`i�� �� `���` � ��, , E �� � , ��� , � � `� /� � / i � l l I�.J� l I �l � �� 1 � �� — --- � A A � ����' ��� , � i�� � V ° ��� �� �� � � � � � � � � , , P � � -- �� � � � ; ; ; � ; ; ,' ,' ,� d- '� ��`,`�� ; — ---�; ���; �`,�,`,��, ��. , � 6� , `, `, `� �`� �, � � , , , � , ,.�� � ���,������ , . � �� , � � � � f– � � � , , d- ,��� � � � � I^ � � � ' � � � , � � ,�����, , � ��•� � � �`, '� �� cn ,' , �� � �, �� S�CA �TER��C v / � I I � � � � I l � �� \ \ \ \ �\ � �\� \��\ \ \ \ � `� —�_ \� \ \ � \ \ � \ , , � . ���� , ����,�► . � 0 � � � � � � � � I I � � \� ��� \ � � � � �� � � � �.R1 � � �� � \� � � \ � � , , � ,� � ,���,��, �,, �����-� , � � ` �•L � I i i ������ � � � �,� \ � � � �, i � � � � � �� � � A � � � � l i � � � ����A� � � � �� � � � � � � _ i � � I� � � � A � � � � � � � � � �� � � � , � � < < < I ���� , ���� � � � , , , � � � ` � ����� � � � ` � � � � . ,�i–�� � ` �RO�OS�D D1�EH WITH RIP RAP. , , , � ,,, � � � ����� �� � ���, � � , � ; ; ; �� � � \;��;��� �� �� ��� �`, ���� `;���� D� . ,'� � �� `� `� �� C�JTCW O%�FALLS TO TOP OF � ' � '� � �� �� ; , �� �� ���� � ` �� � `��`,`�`,�� � � ' � I `� `� `, B,4NK.��ROP RIP RAP AT ' ' ' , � � , � � � � „ ``, � � ``� � � � ` ,� ' � � � ` EM��QNKI�AENT `b DISSIPATE ENERGY � � � � � �; � � ��,�� , � � �� � � � �� � � � � � � , � � � I � � � � � � � ����` , � � ; � � � � , � � � � � � ��4ND ��PJtOWDE NON–EROSIVE � � � � ' � \ \ � � ," � \ , � , � � � , . � � � � � � � ` OUTLET�VELOCITY (V10 < 2fps). BANK STABILIZATION RIP RAP AT EMBANKMENT Q10=1.2 cfs, V10=1.7 fps L=15' LBANK STABILIZATION) LEGEND ������ ����� ��� ��1L�e � DENOTES PERMANENT / i IMPACTS IN SURFACE WATER WETLAND PERMIT IMPACT SUMMARY WETLAND IMPA T URFA E WATER IMPA T Hand Existing Existing Permanent Temp. Excavation Mechanized Clearing Permanent Temp. Channel Channel Natural Site Station Structure Fillln Fillln in Clearing in SW SW Impacts Impacts Stream No. (From/To) Size / Type Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp. Design (ac) (ac) (ac) (ac) (ac) (ac) (ac) (ft) (ft) (ft) 1 -L- 14+92 -15+63 BANK STABILIZATION < 0.01 48 TOTALS�: < 0.01 48 0 *Rounded totals are sum of actual impacts NOTES: Revised 2013 10 24 • � � V W � O � � � � � " I � '� ' I ' I . (�> I � \� C�)1'� " I � I-I � '� I'� (�) I . I \ '� II> I � � I � I (�� \ (�> I � I-I l � i l-I \�` � �� � � � o��GE cou�TY LOCATION: BRIDGE NO. 104 OVER STONEY CREEK ON SR 1712 (UNIVERSITY STATION ROAD) TYPE OF WORK: GRADING, PAVING, DRAINAGE AND STRUCTURE , ��„ �� ,�. (�►� �v>> , I I ., ., �„ \ � � � . 8� iii�i I I:'� I'' ., �, ,� �- DESIGN DATA ADT 2011 = 960 ADT 2025 = 1920 V = 35 MPH SUB REGIONAL TIER LOCAL BUFFER IMPACTS PERMIT PROJECT LENGTH LENGTH ROADWAY TIP PROJECT = 0.054 MILES LENGTH STRUCTURE TIP PROJECT = 0.012 MILES TOTAL LENGTH TIP PROJECT = 0.066 MILES Prepare0 !n the Office of Halch Molt MacDoiwlO for w DIVISI0111 7 NORTH CAROL/NA DEPARTMENT OF TRANSPORTAT70N 2012 STANDARD SPECIF7CATlONS TIMR EORDANRPE LETTING DATE: DAVID FUH PE HYDItAULICS Eh'GMEEX NCDOT CONTACT: TIM POWERS, PE OIVLSION BR[DGE PROGRAM MANAGGR ROADWAY DESIGN ENGINEER HI'DRAULICS ENGINEER P.F.. SlGNATVRE: PERMIT DRAWING SHEET 1 OF 6 GLI I�T("��L�LETE I�LA�T� DO NO'C [JB� ROR R/ W A(MNBTIRON PLANS PREPARED BY.• � Hatch Mott �� MacDonald PO Box 700 Fuquay-Varina, NC 27526 (919)552-2253 (919)552-2254 (Fax) wWw.hatchmott.com LICENSE NO. F-0669 � � i121 Kingdom Way� swce i po Italeigh, NC; 27607 u���a�e�.�o ���o_-�� Engineering DETAIL A DETAIL B LATER4L GRP,SS SWALE SPECIAL NT DITCH � Nof lo Scalc� I Notfo S�ole� c,om O Ortch Narural � ` Fill Gro�nd z) ryE�o e� Slope � c.au�d 3,.� p�,� o.oa Siope d � NOW OR FORMERLY Min. D= 1 Ft. D.�y. HILL 6- 2 fl. G`��eM{�I` Min. D= 1 Ft. Type ofLiner= B Rip-Rap Mas.d= 1 Ft. -L- STA. 14+55 TO 14+96 LT -L- STA.15+75 TO 16+00 RT DETAIL C DETAIL F TOE PROSECTION LATERAL'V' DITCH PROPOSED GRA55 SN �No„o �oei iNo�ms<oei 114+55-14+96)OUTF� PROPOSED RIP RAP A pR TO DISSIPATE ENERG' ti� StEQ s�ore i — A NON-EROSIVE OU7 cxouNo d F� �.o��d p ooa P �V10<2f sJTO $TREAI psaM M��.o= iF,. ca�o=o.g�rs,vio=i.s d= t F. Max. d= 1 Ft. 6= 2 Ft. Type of Liner= PSRM Type of Liner= PSRM -L- STA.13+80 TO 14+42 RT -L- STA. 74+08 TO 14+55 LT -L- STA.16+25 TO 16+70 LT ; 480 0 � E 470 o. -o � 460 � � � 450 � � � N ` 440 � U �� � z� 430 �w za �� w� w� coz � ��� c�zT \w � � �-m N� \� /��O ' �GUY ""-' �STM� w �� I GUYO 51G m ' __ . --- G11Y0 CAB x RR / I❑ a GATE /05T ��_ �I O / �e' Rp � � \ / 5�%v/t/ p/ x�st c ni� y BST & GR � I�� � � I � BE�IN PROJECT /7BP: O � RR I I � —L— P Sta.13+50A( \ \\ TE I I J � �. l00 0 50 100 SCALEe I"= 100' HORIZ, @r �GUYS �� i \� ���y.HILLY \ m� I ` M. BZ `�' � I � � � PIPE OUTlETS TO E%ISTING DITCH. PROPOSED RIP RAP IN DITCH AND PROPOSED BANK STABILIZATION TO � DISSIPATE ENERGY TO PROVIDE A NON-EROSIVE VELOCIN �V10 <2fps) TO STREAM. �N Q10=0.6 cfs V10=1.7 f s SEE ENLARGED AREA ON NEXT SHEET ][�1[���T ��]�� � ���� � ROBERT R.HOLLO�AY ,�� \'�� t✓J� i! PROPOSED PIPE OUTLETS AT TOP OF BANK. PROPOSED RIP RAP AT EMBANKMENT TO DISSIPATE ENERGY AND PROVIDE A NON-EROSIVE VELOCITY (V10<2fps)TO STREAM. / Q10=8.5 cfs, V70=1B fps LOLA J. HILL �ENNIFER NOUSER \ �'ILLiE BRIGMAN EA/D PROJECT l7 7.R.96 Q' _i _ anr cr., n nn � : fi% �� �� �1 � �O P /� �P� / \ y / /p�'� � /,�� /�Q WOODS e, /0/ �}/\' �o Q /�Q. � GP� � / �p�j . EIP �ELL F / 5 SCATTERED TREES + " QB / '�OODS � �' / EIP IS' RCP� / / � /IB'RCP � __—__— 1 �� — � � 11S 70, co ��n �iuivraarv STdT10N RD. 19'BST �laj�i��—� RETAIN= SCATTERE� TREES , •LT � �� N� �� nP� f O 7qA�VIs Fq ANCIS EMILY .�FRANCIS BUFFER IMPACTS PERMIT ��� BEGIN PROJECT BEGIN GRADE END PROJECT STA. 13+50.00 — STA. 17+00.00 EL = 461.64' � BRIDGE 4 ST .15+3 .5 -L- ��� � � � wa qEeP�cnpsa�� P�cs � STA� 16+� 0�00 � i C as�; sRery �s'r i EL = 457.19' �� � � � � _ GP ELEV. = 455.48 � `�� PI = 14+40.00 I PI = 16+00.00 � EL = 455.18' � EL = 455.69' gLEND � VC = 90' VC = 70' TO K= 12 � K= 26 EXIST II ( ��Ri _ ..._ _.�L. �B IDGEE EXISTING 10 11 12 13 14 RETAIN. 8 EXCAVATE TO TOOP OF EXIST. _ CONC. SILL APPROX ELEV�-443.0 15 II'�RIP RAP (TYP.) . tUCTURE���PAY ITEM) APPRO% ELEV-443 NORMAL WS ELEV.=441.1 DATE:4-4-2016 16 ' SPf IT RAIL F�N� IS' RCP f � \ \ o � ��d�\ � �\ � PROPOSED DITCH WITH RIP RP.P. DITCH OUTFALLS TO TOP OF BANK PROPOSED RIP RAP AT EMBANKMENT TO DISSIPATE ENERGY AND PROVIDE A NON-EROSIVE OUTIET VELOCITY IV10<2fps�. Q10=12 ch, V10=i7 fps 4 NJEANRSMGONZALEZZ �� �� �� �� � � � —� _ �EXCAVATION = 500 CY (STRUCTURE PAY ITEM) 17 18 19 BOBOY M. CLAYTON. JR JUDY H.CLAYTON ABBIE B. MCCAFFITY LEGEND _BZ �_ RIPARIAN BUFFER ZONE 1 (30') —gZ y— RIPARIAN BUFFER ZONE 2 (20') ALLOWABLE IMPACTS ZONE 1 (BRIDGE) � ALLOWABLE IMPACTS ZONE 1 (ROAD CROSSING) � ALLOWABLE IMPAQS ZONE 2 (ROAD CROSSING) ETF EXISTING TRANSPORTATION FACILITY 20 PROJECT REFERENCE SHEET NO. 176P.7.R.96 - ORANGE 704 4 ROADWAY DESIGN HYDRAULICS ENGINEER ENGINEER I�T�O�IFLE E PLA�T@ DO NOT [7¢6 POA W A�JUV�I40N HnrcH moTr mncoannio ia E,uc ucENSE Ho.F-oasa DOCUMENT NOT CONSIDERED FINAL UNLESS ALL SIGNATURES COMPLETED repar n 1 e o"'Ce °` l,� Hatch Mott fuQuay-Va�mn NC : �` MacDonald wwWs���ott.�om ' ��i:l.,,-.:.�.: F „_,. Engineering VERTICAL SCALE HORIZONTAL SCALE � 2��� DETAIL D RIP RAP AT EMBANKMENT �rvo�ro s�oie7 ,a-m,�. o�,�h , o m,� z, Grade GEOTEXTILE -L- STA. 15100 LT -L- STA.15�, 40 LT -L- STA. 15+66 RT DETAIL E BANK STA8ILIZATION � rvoi �o s�oie� x F,�,e, s Fabnc S Type of Liner- CL45S II RIP RAP -L- STA. 15+30 RT. PERMIT DRAWING SHEET 2 OF 6 BR/DGE HYDRAUUC DATA DESIGN DISCHARGE _ 1700 CFS DESIGN FREQUEN�' = 25 YRS �ESIGIy hl� ELEVATION = 448.7 fT BASE D/SCHAR6E = 3/ll �FS BASE FREQUENCY = l00 YRS BASE FlW ELEVATIQN = 45/.53 FT OVERTOPP/NG D/SCHARGE = 5300 �FS OVERTOPP/NG FREQUEN�' = 500+ YRS OVERTOPPING ELEyATIOA/ = 4553 FT DATE OF SURVEY = 4�4 20/6 yys.E�vArioN _ ��� � AT DATE OF SURVEY 480 470 460 450 440 430 DETAIL B ���� � � \ � \ \ �� \ � �\ � � � \ � � \ � � � �S � � � � � � � PROJECT REFERENCE SHEET NO. 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A � 1 � �, 1 � � � � �. A � � 1 A EMILY d FRANcIs V A � � � ` - - - � � � � , G � �. . � .. � .. '. . . ' �� ` . ' . . � .. v � � - � � � ALLOWABLE IMPAQS ZONE 2 �� ��// JO IOO � / I `S �__-` ---� / �� // � (ROAD CROSSING) � GLI$ '' SCALEe ���_ �oo' HORIZ, �' BUFFER IMPACTS PERMIT `,, �--- -- ETF EXISTINGFACINITORTATION pERMIT DRAWWG / / i/ i . i � � \� _ ��/ . _ SHEET 3 OF 6 480 ' ' ' ' ' I � _ � 470 _----����� �� `� 460 _ 450 440 430 10 �L� BEGIN PROJ� BEGIN GRADE STA. 13 + 50.00 EL = 461.64' BRIDGE 4 ST .15+3 .5 -L- � SINGLE SPANI 24" P�CS I W/4' qEEP CAFS 1 C' 65'; SREVJ 75 i� I GP ELEV. = 455.48 PI = 14+40.00 I EL = 455.18' I VC = 90' K = 12 � \ END PROJECT — STA. 17+00.00 END GRADE STA. 16 + 50.00 EL = 457.19' PI = 16+00.00 EL = 455.69' VC = 70' K = 26 �REn�OVE EXISTING BRIDGE _ . I W. QF� �W . LCL II RIP RAP (TYP.) Q ii � ii li ISTRUCTURE PAY ITEM) Z � �w w o w �� Z RETAIN & E�,(CAVATE - � TO TOP OP�E'S(1$T. ��N�. 5��� I RETAIN. 8 EXCAVATE APPRO% ELEV-443.8 � � � � � � � .i � TO TOOP OF EXIST. NORMAL WS � CONC.SILL ELEV.=441.1 APPROX ELEV�-443.0 DATE:4-4-2016 11 12 13 14 15 16 �� �� �� �� � � � ;- �EXCAVATION = 500 CY (STRUCTURE PAY ITEM) 17 18 19 20 BR/DGE HYDRAUUC DATA DESIGN DISCHARGE _ 1700 CFS DESIGN FREQUEN�' = 25 YRS �ESIGIy hl� ELEVATION = 448.7 fT BASE D/SCHAR6E = 3/ll �FS BASE FREQUENCY = l00 YRS BASE FlW ELEVATIQN = 45/.53 FT OVERTOPP/NG D/SCHARGE = 5300 �FS OVERTOPP/NG FREQUEN�' = 500+ YRS OVERTOPPING ELEyATIOA/ = 4553 FT DATE OF SURVEY yys.E�vArioN AT DATE OF SURVEY = 4�4 20/6 _ ��.� � 480 470 460 450 440 430 l) Z � Z � w Z "Z sQ �� . PROPOSED GRAS SWALE BMP � (14 + 55-14 + 96) OU LLS TO PROPOSED RIP RAP A EMBANKMENT TO DISSIPAT ENERGY O PROVIDE A NON—EROSI OUTLET ELOCITY (V10 < 2fpsj TO S EAM Q10 = 0.5 cfs, V10 = 8 fps �� GRASS SWALE DATA DA= 0.11 AC SLOPE= 3.22% L REQ. = 11 ft. L PRO. = 41 ft. Q2 = 0.4 cfs V2 = 1.7 fps D2 = 0.26 ft. Q10 = 0.5 csf V10 = 1.8 fps D10 = 0.30 ft. BUFFER IMPACTS PERMIT \� � ��.\ PDE i//�/,/�/i ��/ /�� . I i/•%� i�';�w �i. �,r��� � � r �' �"' � . . � . . STA. 14 + 55 TO 14 + 96 LT � TB 2G1 F 6 0 PIPE OUTLETS TO EXISTING DITCH. PROPOSED RIP RAP IN DITCH AN� PROPOSED BANK STABILIZATION TO DISSIPATE ENERGY TO PROVIDE A NON—EROSIVE VELOCITY (V10 < 2fps) TO STREAM. Q10 = 0.6 cfs, V10 =1.7 fps 30 0 15 30 SCALEe I°= 30' HORIZe P�E . ��- ��' —' ���- . . �____�A _ � \\\\\ / % ���� , .�,/ RETAIN EXISTING CONCRETE SILL �� � � � �. (��) , ), ', 1•)-� I ., '-\ \' . ' � PROPOSED PIPE OUTLETS AT TOP OF BANK. PROPOSED RIP RAP AT EMBANKMENT TO DISSIPATE ENERGY AND PROVIDE A NON—EROSIVE VELOCITY (V10 < 2fps) TO STREAM. �' " �3.5 cfs, V10 =1.8 fps ✓_ V� � \ % ,//% � , . �\ \ // � �\ � � �/. �, , ������ ����� ��� ���� � " RCP 0 LEGEND BZ 1 � ����t�� � � pD � \ Q � � � ��� RIPARIAN BUFFER ZONE 1 (30') RIPARIAN BUFFER ZONE 2 (20') ALLOWABLE IMPACTS ZONE 1 (BRIDGE) ALLOWABLE IMPACTS ZONE 1 (ROAD CROSSING) ALLOWABLE IMPACTS ZONE 2 (ROAD CROSSING) EXISTING TRANSPORTATION FAC I LIY ; ��— PROPOSED DITCH WITH RIP RAP DITCH OUTFALLS TO TOP OF BANK. PROPOSED RIP RAP AT EMBANKMENT TO DISSIPATE ENERGY AND PROVIDE A NON—EROSIVE OUTLET VELOCITY (V10 < 2fps). Q10 =1.2 cfs, V10 =1.7 fps l) Z � Z � w Z "Z sQ �� BUFFER IMPACTS PERMIT (��) , ), ', 1•)-� I ., '-\ \' . ' � .�1 ry0 Q. I� (:O�IPL� E PLA�T�4 � � RETAIN EXISTING Po� CONCRETE SILL �AT�� M�������A�� �g E ��� � LI<ENSE NO.F-0669 DOCUMENT NOT CONSIDERED FINAL � � " �� ` !� � ��� �/ � \ ` ' \ \ � I I � I � ` � UNLESS ALl SIGNATURES COMPLETEI � � � � ��� � � A V A � � � � � ��� . � r���. I � \ \ � � � � � I � � i I 1 � � ,ePa�e � i � � � ��� � �X I \ �\ � � � I � Office of. i i Hatch Mott ,o ao, ,aa � �� ` . ` ` �� "` �� "l � ` � � �� �� ` �� ' PRO�OS�D PIPE O�UTLETS AT TbP I� F�4�ar_��,�a,N� � � ��� � � ��� � � � � � � �` MacDonald ��, `, �� ���, �, ��,�„ , �. '� '� � � � � �� ` �� ' OF �BANI�. PRQPOS�D RIR RAP A� � Ww..�a,o�ma,r.oa PROPOSED G S� �SV�LE BIv�R � � "� � � � � � � , � ` ����� �' ' ' � � � � ' ' TO QISSIP TE EN�'RGY \ , ,,,, , � � � � , ; � � � EM�ANK/�1ENT'� � ICI■��.��;:�;;�.���zo';; (14 + 55-14 + 96 Ql� Lt�S� TO �� � ��� ; ' . � ,� � ` ` -� ' ; � , � �� AN�D PR Q� VIDE�� A I�-flN—ERQ SIVE ` g g ' "`" PROPOSED RI� R"}�P A EM�ANKIV� NT � � � en ineerin � �, � � `, ��;,, � � ,' , ��; � ,' ' � ; � '� VEL',OCITY� (V10�<2f TO STREAM. � PERMIT DRAWING TO DISSIPAT �F�I��t�Y�� O ��PROVID� �� � "' . � ` � � � � ` � ' � ' � SHEET 5 oF 6 � , � � � , `� ���., � `� ` � � � J � , � � Ql Q = 8.5,�, cfs, V1,0 =1 ; fps ,, GLI � A NON—EROSI `pl�l�l�ET, EL4�ITY ��, �� `� �;,, � �� �� � � ` � . ', `, � `� � , ,� ,' ,- � (V10<2fpsj TO, S �AJ�A� � '� �, �� �� ,,�; �� , � � � � � , � � � , , � � � � � � � C�10 = 0.5 cfs, V10 } ,8��fp�s, � �,� ��� S� , ��� �`.';,; � ` � � � � � ,, � ° � � ,'� , ' � � , , � � �. �� �� � � � � � � � � � ,' � � � � GRASS SWALE DATA � �� � % � � �� � �� � � � ,� � � � ' � , � �' �� � � ' � � ' ' � �� ' � � '� ' � � � LEGEND � \' �' PUE �� DA= 0.11 AC �� � / � ���-- --� �� ,� � i i i i i i i � SLOPE= 3.22% � `\\y\\\V �//�����//��j ��� � �� ���� i �� ; � ; ' i �i �� L REQ.= 11 ft. �� , ,\�\\�\\ � ` / � ` �`" ,' � � , ' i �� �� RIPARIAN BUFFER L PRO.= 41 ft. ,`, `�` `�,' j, , i . � BZ 1 ZONE 1(30') az = o.a �f5 �, ` � � ��\ / / �, ,PD ,\ ,, ' D2= 0.26pft. �—� ��—`� `�� \\�� � — =— � i "' ` ����` \ E -- � �� \'� BZ 2— RIPARIAN BUFFER ZONE 2 (20 ) Q10= 0.5 csf � � � � _ \_ ------ - --�_;� ���� `��`���� ' o ° RC \ _ � ��� V10= 1.8 fps ��. k _Jo� _-----���---- ----_ _- — -- �-'- � \ '�'_ — — \ il � \ \\ —� ` % -- /\ \ \ \ D10= 0.30 ft. ��_ ������_���__----_ ___ _�$_� _ = J � \ � � � _ — ��� , � -- \ � �; ALLOWABLE IMPACTS ZONE 1 — _ _ (BRIDGE) —� _ �-- -- � � � ' STA. 14 + 55 TO 14 + 96 LT � � � " - - - - --r— , � TB�� 2G1 '� �, ', ; � � iiiii � � , ALLOWABLE IMPACTS ZONE 1 � �� � � � � (ROAD CROSSING) � ' � � ' ' � � � � � `` �� �� � ' � L � \� � ����� ALLOWABLE IMPACTS ZONE 2 � ' —' ` -- --- � \ (ROAD CROSSING) � _—' _---'__---- —� T , — --- .� � _ _ — — ---- -� _—; \--- � -- ---y ��,, , � � � - __ � � TB 2GE-� -F'� - , � � - ��;� - � ---- \ �� �CP �, - ' \ �" � ' � \ , \� � ETF EXISTING TRANSPORTATION y _ - � � ��� ` � � �i� �-� � �'� —i� 48u FACILIY '; �; �; � ' 18� �� � - , ���\ �__� , �, \ ___ -- , , - � —� � ' % % - , ��\\� ,' ,; , \�, � `;; � ��, � ' _ - \ , \ �, � ��� � < ��, ��, � � � �� `� P�E ' ��,�'�� � , �> , � � �„ ,,� � �� � �� � �� �, , , \ �pQE o � � � � ; ii �� � �, ' --��, � � ��,�, � �� �-� � , , , �, ����� �, � , � , , ,' � � � � � , � ,��„ �,✓� , , �, � / � � �, � � � � � � � � � 1 � � � r — — _ �� � � � � � / A A � � � � � � � � , � , , ,' , � ,' , � ' � ' PD�.' � � � � � , \ _ _, � � � �\ �� , �\ � \� \� \� \I i i i � I � � �� �� � � \�\\ � '' _ _ - - - � \� \ � � \ \ � � \ � \� \ \\ \� \ c \ \ \ I � I � � � \ � l � � � \ � � / �j � \ � \ °i \ \ \ \ 1 � I I � � � / / ���� \ \�\\\\\ � \ ��\ \ � \ � \ o � � � f— i i i i i �j- � ����� � �\ � � � � � � � � � � � � � � � � i i � i i � � � � � i � � ����� � � � `�•� � � � � � ,� (� �� i � � � � � � � � ; �� � � i i � � i i i ' � � � i i � � ����� � �� ������ � � � ` � � � � � = PIPE OUTLETS TO ��EXI�TIN� �ITCF� � ' � ' ' ' ' ' ` � �� ,"� ��, ���� �� � � � ��'` �, � ° �� �, � , � � � o � , � , � , , , � ����� � ������� , , � , � , � � , € PROPOSED RIP' RAp IN' DI�CH, AN � � � ' � � ' � � � "``� ` , ` � ` � � � � � ` � � a � / � � � � � � � �� ��hV� � � � ���� \ � � �� �� � � � � �� �� � � � � o PROPOSED B -NK ;STA�ILI7�,TIQN TO � � � � ' ` ' � � � , �°� ,` „`�,� � � ` ` �, ' �' ' '° , , � , ` � _ ' � � � �, ' `��, I ����� � `,`�`,`� � __ � � 7 DISSIPATE ENE GY `,TO � PRbVID� � , � , 6�� � ;�, `� �� �� ,,,;�� ���� �� , � , � � �'�i� � � `, , �RO�OS�D [�I�EH WITH RIP RAP ` ' ' ' � � ` � � � � �' ' ' ' � � ` C�JTCW O%�FALLS TO TOP OF � A NON—EROSI�E V�LO�ITY�� �, � ; ; ; � � ; �;� � � � `;, �`, � � `;�`�� D� . ,' � � � � , � ° (V10 < 2fps) TO 'STR �AM. � �� `, ', � � , �� ���, ��;; . �� �� ���� � ` �� � `��`,`�`,�� � � ' � I `� `� `, BANK.��ROP RIP RAP AT � Q10 = 0.6 cfs, V�'0 =1� 7 fps � � '� � � � ', �� '� ,' ��; � � " �� ` `` ��� ` ` ` ��� �' ' ' ` ` ` EM��QNKI�AENT �b DISSIPATE ENERGY � � � � � ���� , �� ���� � � � � � � , � , � � � � � � � � , � � � , � � � ������, � � ; � � � � , , � � � � � �,�4ND ��PJtOWDE NON—EROSIVE , , � ' ' ' ' � � � � ' � � � � � ," � , � � � � � � . � � � � � � � ` OUTLET�VELOCITY (V10 < 2fps). � Q10 =1.2 cfs, V10 =1.7 fps 30 0 15 30 SCALEe I°= 30' HORIZe ������ ����� ��� ���� � -. . ., � . . • • -• • -• • ���������� � , . � . • � , - � . . -�- � � � � � ■.--- � a���������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����������� � ����aaa�� � om H � < � H Z 7o��p r�TI�Cn �z-I=D =�DDm � Z 2 N O � z,���-n • �OH �DDD �� U' o z� m Z � � m� � _ _ � � m � D � z = O p o �7 D � � � � r '-' � D � � �"� Z Z � � � O � �SEEIPBANS A �� �CLEARING LIMITS � \ S� �E '� =�E � R�W ^��� CLEARING LIMITS E� � �E l�� � �E E E � � - � R/W C � � - - - - � - - - - � � SLOPE STAKE LIN� rE.O.P. R/W � � � R/W � l�✓ SLOPE STAKE LINE F Iy B � E.O.P. �-� D - - - ----� � �-� �-� � � � � _F ��`�`` /��------ � �) E ���� E R/W � - � E E �O \ R�W �� E E-'J/ E, ` CLEARING LIMITS i �� �j �. � � �- �•;: _ .���� CLEARING LIMITS , ^ , A �j�, :;:' CLEARING LIMITS ' .• � �• . ��''' �: �. B .. • . D GENERAL NOTES: C � 1. REMOVE TREES OUTSIDE THE CLEARING LIMIT WHEN, IN THE OPINION OF THE ENGINEER, THE UTILITY OF A TREE WILL BE DESTROYED BY THE CONSTRUCTION OR THE CLEARING OPERATION. 2. CLEAR IN ACCORDANCE WITH THIS STANDARD EXCEPT WHERE ADDITIONAL CLEARING IS REQUIRED FOR SAFETY AS SHOWN ON THE PLANS. 3. FOR SECTIONS WITH WIDE MEDIANS WHERE TREES ARE TO REMAIN, CLEAR THE MEDIAN SIDE IN THE SAME MANNER AS ON THE OUTSIDE. CLEAR TO SLOPE STAKE LINE OR CONSTRUCTION LIMITS . � i •� ^ ` � :�' •• '.. : :l:••' �. . . SLOPE STAKE POINT - C� ROAD � SLOPE STAKE POINT J � PART SECTION D-D CONST. LIMIT LATERAL DITCH, CHECK DAM, SILT BASIN, SILT DITCH, - . TEMPORARY DIVERSION - CONST. LIMIT � � '-� � . `• ��.�. •i � SLOPE STAKE POINT � PART SECTION C-C ,;� :+ :' �� �: . . ...• . FENCE � i � ISLOPE STAKE POINT� PART SECTION B-B CONST. LIMIT RISER BASIN � z o� H � H aQ HOCC='�C� LLJ�Hz oo�= wQz�-x QU��H � F— 2 Z W c!)H�OJ O�CAQ Z H � 1 � �� 0� � O L.L � Z Z H ~ �. Qa� o W � J o v ' � o LL O z � _ � � � � _ _ � � � W J �C.'3 Z W 1EET 1 OF 1 S�OPE STAKE POINT —� `} SHEET 1 OF 1 200 ■ 02 SECTION A-/4 CONST. LIMIT ^O� ■ o^ L L