Loading...
HomeMy WebLinkAbout20170854 Ver 1_Build Maps_20170711k 11�;11��'<14' North Carolina Department of Transportation �� SL[�rtl]�YdtPf Highway Stormwater Program ���` STORMWATER MANAGEMENT PLAN ��--• (Version 2.07; Released October 2016) FOR NCDOT PROJECTS WBS Element: 45620.3.1 TIP No.: B-5665 County(ies): Halifax Page 1 of 1 General Project Information WBS Element: 45620.3.1 TIP Number: B-5665 Project Type: Bridge Replacement Date: 5/25/2017 NCDOT Contact: ANDY JORDAN, P.E. Contractor I Designer: JUSTIN DAVENPORT, E.I. Address: HYDRAULICS UNIT Address: MOFFATT & NICHOL 1020 BIRCH RIDGE RD 4700 FALLS OF NEUSE RD, SUITE 300 RALEIGH, NC 27610 RALEIGH, NC 27609 Phone: 919-707-6729 P hone: 919-781-4626 Email: a'ordan ncdot. ov Email: 'daven ort moffattnichol.com Cit ITown: Littleton Count ies): Halifax River Basin s: Tar-Pamlico CAMA County? No Wetlands within Project Limits? Yes Pro'ect Description Pro'ect Len th lin. miles or feet : 0.21 Surroundin Land Use: Forested, Rural Proposed Pro'ect Existin Site Pro'ect Buiit-Upon Area ac. 0.6 ac. 0.6 ac. TyplCal CI'OSS SOCiIOO D@SCI'Ipt1011: THE PROPOSED ROADWAY IS A TWO-WAY A�IGNMENT WITH 10' LANE, 3.0' SHOULDERS, AND THE EXISTING ROADWAY IS A 13' GRAVE� ROAD WITH 3.5' SHOULDERS, AND VARYING SIDE VARYING SIDE SLOPES BETW EEN 3:1 - 6:1. THE PROPOSED BRIDGE HAS A TWO-WAY ALIGNMENT SLOPES BETWEEN 8'1 - 12:1. THE EXISTING BRIDGE IS A ONE LANE BRIDGE W ITH A C�EAR WITH 10' TRAVEL LANES AND 3'-11" SHOULDERS. THE PROPOSED BRIDGE HAS A CLEAR ROADWAY ROADWAY W IDTH OF 13.5' AND AN OUT TO OUT OF 15.5'. OF 27'-10" AND AN OUT TO OUT WIDTH OF 30'. Annual Avg Daily Traffic (veh/hr/day): Design/Future: 270 Year: 2036 Existin : 270 Year: 2016 General Project Narrative: Project consists of the replacement of Bridge #138 in Halifax County. The existing bridge carries SR 1309 Spruills Bridge Rd over Little Fishing Creek between NC 1521 Odell- (Description of Minimization of Water Arcola Rd and NC-4. The proposed structure is a 100' one span 39" box beam bridge located approximately 430' upstream of the existing bridge location. There are wetlands Quality Impacts) located within the project limits. STORMWATER CONTROLS: The proposed bridge does not utilize deck drains. Runoff from the bridge roadway and paved shoulders at the bridge approaches drains into inlets. The stormwater is then diffused at riprap pad outlets prior to discharging into Little Fishing Creek. All proposed ditches will be grassed. Shoulders will be grassed except on the proposed bridge and its approaches. Bank stabilization is planned to prevent erosion of the streambanks. Waterbody Information Surface Water Body (1): Little Fishing Creek NCDWR Stream Index No.: 28-79-25 NCDWR Surface Water Classification for Water Body Primary Classification: Class C Supplemental Classification: Nutrient Sensitive Waters (NSW) Other Stream Classification: Impairments: mercury (Hg) Aquatic T&E Species? Comments: NRTR Stream ID: Buffer Rules in Effect: Tar-Pamlico Project Includes Bridge Spanning Water Body? Yes Deck Drains Discharge Over Buffer? No Dissipator Pads Provided in Buffer? N/A 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) �l See Sheet 1 A For Index of Sheets See Sheet 18 for Conventlonal Symbols � � CI` N O� O N V • � � V � � 0 V NCDOT CONTACT: VIRGINIA MABRY MANAGER - PRIORITY PROJECTS UNIT ����1Le �ll" ��J���� ��JI10����� �������� �� �������� HALIFAX CO U1�lTY LOCATI0111: BRIDGE 1110. 410138 OVER LITTLE FISHING CREEK ON SR 1309 (SPR UILLS BRIDGE ROAD) TYPE OF WORK: PAVIIVG, GRADIIVG, GUARDRAIL, DRAIIVAGE, PAVME11rT MARKIIVGS AND STRUCTURE WETLAND AND SURFACE WATER IMPACTS PERMIT � BEGIN TIP PROJECT B-5665 —L— POT STA 12 + 00.00 �' � LITTLE FISHING �0�� �� '� � CREEK l - � � '9 s � -L- SR 1309 SITE 2 � p ��'p��3.� � (SPRUILLS BRIDGE ROAD) SITE 3 0�G � 7'p SITE 1 '9 �� � \ BEGIIII BRIDGE —L— STA 18 + 44 +/— � � i � � i - ; � = =- � ! �, �� � LITTLE FISHING _(" �, C� SITE 4 CREEK E111D BRIDGE —L— STA 19 + 46 +/— THIS PROJECT IS NOT WITHIN ANY MUNICIPAL BOUNDARIES. CLEARING ON THIS PROJECT SHALL BE PERFORMED TO THE LIMITS ESTABLISHED BY MODIFIED METHOD II ���1 � �P g3 �P� END TIP PROJECT B-5665 —L— POT STA 24 + 06.50 �� S T. WOOTEN 1/11 moffatt & nichol PERMIT DRAWING SHEET 1 OF 7 DOCUMENT NOT CONSIDERED FINAL UNLESS ALL SIGNATURES COMPLETED GRAPHIC SCALES DESIGN DATA PROJECT LENGTH P�epo�ed for N�ooT in the Office of: HyDRAULICS ENGINEER 1/1,moffatt & nichol ,°Q��`"Roi"•,, ADT 2016 = 270 a,�,< FA��s �F �F ;E Ao �.s�� E 30 1/11 :�2�:�DFESSi09�9' 50 25 0 50 100 <9��:;a;4'sas"°o�E °�°91 ,a�'-�as9 4x moffatt & nichol ;a sEq� `; : ��Opp ADT 2036 = wA LENGTH ROADWAY TIP PROJECT B-5665 = 0.208 mi. Nc ���P�se No. 9�F-o°��5 ` -:. o43,�s : �° ��e .. 20l2 STANDARD SPECIFICAT70NS '%° `�fNG I NEEi' o� v°j g�n PLANS LENGTH OF STRUCTURES TIP PROJECT B-5665 =0.020 mi. °:;F�;a�c5�'''' n � P.E. �i.�u�u... SIGNATURE} ua < LENGTH OF STATE PROJECT B-5665 =0.228 mi. RIGHT OF WAY DATE: TIM R. REID, P.E. a so 25 0 50 loo T= 6%* g V= 35 MPH OCTOBER 18, 2016 rxorEcr EucruEEn ROADWAY DESIGN ..�,�'cAao�•.., � �- PROFILE (HORIZONTAL) * TTST 3% DUAL 3% ENGINEER .�`=°4oFE5sio'9•.."*`-: "'���� o�Q� FUNC CLASS = LETTING DATE: TRENT E. HUFFMAN, P.E. �,,, "`: 05869(.' • �� pa���Q �0 5 � �� 2� PROJECT DESIGN ENGINEER moffatt & f11Cf10� '+F!✓GINEEA;�� `: LOCAL OCTOBER 18, 2016 ,'�-T R:; RE,�,.��°� PROFILE (VERTICAL) SUB-REGIONAL TIER PE � S7GNATURE: DETAIL A DETAIL E DETAIL D PRoiEcr ReFEaeNCE No. sr+EEr No. - � � L4TERAL'V' DITCH EXCAVATION PLAN ��EW .� PERMIT DRAWING � B-.S6E.S PRM-2 �rvorro s�oie� SPECIAL NT DITCH ,�a„o =�a�e, END ������ s�a1e� S H E ET 2 O F 7 RNJ SHEET NO PSH_O�F � �, �\ � � BENT -� —� � o � p`'ch ROADWAY DESIGN HYDRP,UlICS // �- p-� °� smpa /�0b � ENGINEER ENGINEER / � �__ �o��d Oq 3� .��1 1'iF�. Slope 3-1 CUT SLOPE �.�»�d 3�� F�o��O� ��/ �� \ �/ / / r' �Q 'SGQ D TIE TO EXISTING � .- �/ � 100' � 100' � �nM�� O FR Mn �- 1 F. GRADE 2 M�n D- 1 Ft. / / 7,7" � � b- 2 F. -� / . 0 0 S T. WOOTEN / / - .. � i� �� . ' XO 1.5:1 CUT 'EXCAVATE TO No FROM $TA. 17+50 TO $TA. 18+00 LT � � � O SLOPE ELEVATION 173.5' FROM STA.18+00 TO STA.18+50 LT // GRAPHICqL SCALE . I, . ,� O` FROM STA. 22+50 LT TO STA. 24+00 LT 3 q ,,,, ��% �� �"� � S� � a-i cur sioee DETAIL C ��_• O� �-'�� .n0� � � DETAIL B ne To Ex�SriNG TOE PROTECTION �/�� � � � FALSE CUT DITCH GkaoE � �Hoe�o s�aie� � � �\ N �'� _ i� . �N.G. lHo�io s�oiel V � I� . ({ /� yy � DO NOT E%CAVATE PAST `F� �e� I� m 0 I I V I I & n i c h o I �'�j {_ STREAM TOP OF BANK Naiural �� S�°P I �°�i F�u 3�� ; I^ P 201 S�� DOCUMENT NOT CONSIDERED FINAL ,� �j � ti���l .7� 0 ry��e Slope 'EXCA`/ATE TO THE STATION AND OfFSET Ground y F` �" � 1 ` 2v_ � " � �,_ � ' � GIVEN iN THE CHART BELOW e af u�e�- e IR� -R� �d I �, / �� .. � � � - ' � I� , UNLESS ALL SIGNATURES COMPLETED \.. '-�. � Min.D- 1 Ft. CORNER STATION OFFSET d 2 Ft _ �� �_-� � / - b - 5 Fr Geote�ile � � � . F / �- i ia_e� v ir , �� �� � 6� . " - / �� '� 'IF LESS THAN 3:1, RIPRAP IS REQUIRED ON SLOPE i t8+83 n L7 /� ( 4 a�� - d, �--� � G b FROM STA 16+28 RT TO STA 18+20 RT YP P P �� { `�� 1 `' � /S� // � �\ , %/ �� � A 18+73 i� KT FROM STA 19+58 RT TO STA.20+85 RT / � \ �j / � . , `. I. , SB .G, /.... . - . FROM STA.20+30 LT TO STA.20+75 LT � // (n� ...-��� / � / O 3 18+51 1] RT . . � ~ � 1 - . / , y / �� � � � / s2 %!, . � _ -- _ . \ _ � O .. � �� � . . ,. , i .' • , � ___ - �' . __� . I ' ' ___-- '- P� ' -_ _ i % �� : , . .:, , , � � - � ;. � I _ �� / ti/ ;'� 2\ L _� � —' ��m��' �� �. / ��-., �� , m�`/ �i � h• I, I — ,zmi _ i', -i U,� / ' /`� �'�-= � �o ,,, � � , � „ � ,� �; � � � ' . , � � � . ., � . � r�k� � , �, U'1 ,' ��- - ����°� , .�y . V''� / � , _- . --'_ . ' ' ," , . � � � � � - �, ��,� O � � � , � � �EGIN S�ATE PROJECT B-5665 S� �' ''�i � �� ��� � � �� � � : - --- � � � � �F. � 19 rn °"' �Np STATE PROJECT B-5665 ` � BEGIN CONSTRUCTION � � �. � � �'� � �� � � '�s s � ���, _ ��� � � � a? 6'0 � L- �STA 12+00.00 � , a� `�' �� A � . . ��� ��� ���� �� � b, r � � � � � � � N �� �, � ,ND CONSTR CTION � �:L � co � � � i � E �_ � ', �z � / ��� / � + c� � L- STA 24+06.�0 � i � < 6 g �z _� A�\� ' . - o � , �, t� � � '��• ��i t ,az \ � � � e\; o _A � s�i �zo� ��\r�\��, � o � J' ' ,�6�' '� \ � � _ ; — � � � � — � � 6i, � � �� � � � � A ss�_ �=�� � � i � �� �� �� � �� � v' V `� - � , � r�_ �- � � <n �-� - � � -J_ e , r �� ��� �,�� � � �t� ,� SITE �2 �� � � / � �� ' � , - - � � � � � /� ,� . � \ q � \ ��ic \\� -- BANK STABILIZATION -- -- � � i zz5 � �� i SITE 1 �� 56I � ti �� � �� i�� i �� c � � �� _ �� _ i DITCH CONSTRUCTION V�-� � SURFACE WATERS � � � �� � � � � " �' � ��� �� �WETLANDS� � � ��� � & IMPACTS IN -�� � � �� I -�� I �r `�_ � �� �, N r_ �� � ao .. \F\ . � \ __.._ E \ \ .. � � � � _\ . h� "\�'�'t , I.� I /� EEEDETAIL DITCH / �� .�`� (3_, J . �✓ � � � ` � � � � � � � '.� .,�, , SP �� `" �� �F. . . �jr0 � �CIAL CUT DITCH '�' � " � � r`�-` : - � �i� � ✓ � . q� -- 1 \ . . � _ DETAIL D . � ' . � � .. . . . � � .. � � � , � �� � \, � ' � � se5 �� �,�� E �� �QOE F `� 2 � I `) �� + � � �_ —� i-- L E E / � , / m � R, : ' �' / & RM ACTS I N eo/ / � �� � �,J� � � �l/_ i�. ��� �� �—�-- -- R —�_� � _ � � �� �� WET�NDS � �' y',/��� ��1-�'� � � � +� � � � A � �� .(,h �� � f � / � � � . � 7 . , �\ TOE PROTECTION : R � � y �, -... . i .��� V ��/ �� A . . I I. � , � � SEE DETAIL C �. / % /� � ` � EM . � zl9 27� c2m-� � �. . . � . � I I '' i I I� F _ � _.. /1.r ' � �'� ��, ' �� � _ _ � . �i8 . � . " � �� 5 � 1 J 1 r � . .� � �. ���`� � i �.� -- ` � �' �� � � � _- I � � �\� � , �� �v - �� V � ��� � -L- 25 30' l0. " E � i . � F is° ���� L tie � ��- � � � � � � ` ;� � � \ �- � � ` F �, I F� � � � , / • � !, �� �, ,� Zl- 15' . � � . � . � i I i s .i � I ` . �� .. _ � � _ _ � _ i •_ . i v J � \ ..r-�- ` T � FALSE GUT D(7CH—�._P `' _ F h i ..� I,!J I �' . _, _� �- - � "Ui ODS J .___ _ _�,� � — � _ . � ; � ti � � �'�SEE DETAIL 6 � '- � � �.r � ' TOE PROTKiION � � . -- T� - i ,-.. / h � - . � — _ — -�. . " � ' u� ��- F m �— . SEE DETNL C R ���.. ✓ \I) � j ,. ` . � � ,/ ',''�' . � _ /�� � � ;� � � / � � 7��_� � W . F �� TS � . � A � /� . ;�Y eta' � `"�� � . ' / / ,�2��/ ;- ��V� �1� �:�t� �, , _- � � � / '� s� ��� i' ,; � � � is�� ��`��y,�--``� �� � � ;/ � � � � /_ ` ` � � � �� � wi��om o� su ra z�a-�--� � � � � � �� —� e �� �s a� � � ; T i �r`. ` / � -I = � z , — � w . � � T r�aas oi1 _oN � � SITE 1 F i �� � �� � � , , �s � �- �� ��� � � � `� � � � �� BANK STABILIZATION ,� -. ` � �C�� � -: � e �,a.`" �'` ' � � / � � � � gi � �s �"� � �f-2t"� r ��,��.��"`+n N � �_ � � �s ,�� � � �s�� �-�-� �� � � I uNK owN N� e, i� ��( �` ti._ �w SURFACE WATERS SITE 2 `s< � R _/ �, - 3 - , ; _ �� � � � � - �� A , �� BANK STABILIZATION -- � � � �� � �re. c n1r as ;so � � � & IMPACTS I � � o` 5 � - � � �'�� � �� , -� & IMPACTS IN _ � �-_� �`�� �� � , �� ���� � � � ��a� � � �� SURFACE WATERS � �� S TE 4 175� � 2 � � � �1� ���,� � � �� � �_ � � � � � " BRIDGE REMOVAL � I �� � - � � �� ' � �a� � ' h & IMPACT� IN , ��� � • �� � � / � . �e �� � - �- =- �, �$ � � r SURF TE � - 2 ,—i ,�/ � \\ z�a� woo�� e„ w �� � r �. ,� �$ �re � � . ACE WA RS � � �r / , ^ � • \ � S cp Q�i � ��� _ � _� _� � � .�aB `� . T8—T6 i ����� �� , . � \ \ \ n � I / \ .. .� � � _ . . � � � _ 0 � �� � / \ ���y� p � ��� � �� \�� � ..�v � �� - 2 -- %q i�,�. TB .-�/ /. � � .. �r lv 7J- !� j � L�%�� �� � � ( �`\`\\ � � _ _ _ - ��-� � _._ --�� � =' . � /��% DENOTES TEMPORARY ��v � �0A' 6� '� 2�'0�\ i� � �'� I-�_ - �/_ - _ ��� _ - � / ��/�Jp � IMPACTS IN SURFACE WATER / � � \ / } -- -- ` �- - —� � _ - - ~�. � `�� � � "/ ,i�. � DENOTES IMPACTS IN \ � N \ �%/ \ E�� \�/ � e �=�i.=;— / � --'>iT_... �'b � � ..�_ _ - -� - ✓�y� �'� �� SURFACE WATER �5 . � �.�� �� ,L; � � �/ / '� L-20z J�J � `2Bb . 1 ,��� 2 . -�--�r I��-��� � i4 _ P�''�� 1�.�, �� � DENOTES FILL W � _ .. i � _ �/ � / � 1 � `'-s � y WETLAND 9 m� �BB ^ � p / � �� � �j�ZJ� ���'���L;� ��'�—�� � � DENOTES MECHANIZED . � � ///�� / `q�--�-/� � `e 2� � I N ` / �� � / , � ��/� � .�� _ . • `'�• ` + CLEARING .. . / � � / � \ �� a 4 '��J zmz �m��am ���� �� � a ��� �; , � � %J, 3g'� � ��'/ tio`� �� ,�� � �� mm �����i / � � � � �� � 1�,- _ - � / / � r 98 � �� a�5 � 2 �, ,� , / //��— � �. � � - _ ' / 18 B c� - �� �ti � / /��96� �_����_ �m� � �,°���i �/i6��� ��� � �`J � ��1�z �a/ � �\ � �� �m /� ��� �ae 2�ii"V ` � � ` q� tiq6 "/��'�/ %i Z � ,�=�t-c���a � �4 t��' � i'-�m �� �� � � � � � r� � 2p2 � / ��/� �' � �� --� � � �6q � � � � � � � � — � � i 9 '�9�/�, 'a\ z�,:, � /�/am %Y��� � �,� �/ o ` � � / ;��m� /� ' �/�aa�� �9� ��� �� �� ��'��°����E ���� 6 -- � � � � ��i �t4�z� W� �( /�� ' / m Ue� ; / ��, _� � �� �, ati ��/ �S i�—� `� ��. %� �,� // /� _ m ti � �� � � 3 L9���� � 20 �/ ti � ��� / � _ . . � � // .. r1, ��. -� g ���/ 5 / c� � // � � � / � � / . ��-� � � , �,�b �g� � � �_it9� �9� ��� �'`� �5 �/ ',����i����� 17 ` - -�. �� �-� �� � �� � ,�( j � �' � , � 9� � 2m(D �� .!� / � // ;. �� � I �� �� -... � � �. ; � �� . .: �j / � � / �\\\1�\ �1q4 � q� / / �I/�/."~ / � //��� / �» � 1� � � � ^� �� � / � . `�/ , ! i�P� �� ;\ `8 , � \, \�J, �� /,/ �/ �� �I (� ���, l �� <-� ,3 , �. I ,� �Ci /\ A / ^ I �� �. � / � -' , i � �. ' _ 'a �"� % ' c� � i / � i I � ,/��� - L � \1 I i l \ l �ry I I . . �\ �� . _ . .. .. . . _ , , , ./ . .. . � � J � r+�\�� , '/.�/ \ 1 ! /..'__J . ,/ � \� -� - � � - � �� �� DETAIL A L4TERAL 'V' DITCH (No�fo Scole) 1 I--� F�n O Gro�nd ORF3:1 p n��1 1"iF�. Slape � FR Min �= 1 F. 6= 2 F. FROM STA.22+50 LT TO STA.24 F00 LT DETAIL B FALSE CUT DITCH � N.G. l Ho� io s<oie� �— � °` F��� 3,� 0 ti o�e� Slope Min. D- 1 Ft. 'IF LESS THAN 3:1, RIPRAP IS REQUIRED ON SLOPE FROM STA.16 F28 RT TO STA.181-20 RT � BEGIN STATE PROJECT B-5665 BEGIN CONSTRUCTION -L- STA 12+00.00 '% DETAIL E EXCAVATION PLAN VIEW END (rvorro Scole) BENT -L- _� � 3:1 CUT SLOPE TIE TO EXISTING GRADE 2 1.5:1 CUT 'EXCAVATE TO SLOPE ELEVATION 173.5' 3 4 3�1 CUT StOPE ne ro exisnN� GRADE r DO NOT EXCAVATE PAST � STREAM TOP OF BANK 'EXCA`/ATE TO THE STATION AND OfFSET �� ti � �� ` /� i �F � . � �\ `' �� � E � � \ y� \ � � -- m � \ � � V �� _ � � E �' \-� — — � � �� i � WILLIAM RANSOM JOHNSUN & MAT� RANSOM JOHNSON �� � �- � \ �� ` E DETAIL D SPECIAL NT DITCH �Nolio Scale� o��rcn � °` sm �,o��d 3� D Q��o��e� pe Min. D= 1 Ft. FROM STA.17+50 TO STA.18+00 LT FROM STA.18+00 TO STA.18+50 LT DETAIL C TOE PROTECTION � Hoe io s�eie� , `°°s, Nar�.a� ,, °,�S�aQe cro�nd 6 F I`7 �d 6- 5 Fr. Geote�ile Type ofLiner= B Rip-Rop FROM STA.19+58 RT TO STA.20+85 RT FROM STA. 20+30 LT TO STA. 20+75 LT O SITE 1 - DITCH CONSTRUCTION & IMPACTS IN WETLANDS � . SPECIAL CUT DITCH SEE DETAIL D -E R E E/ — — _—� 25' 30' l0. " E � � F FALSE CUT DITCH � SEE DETAIL 6 f� � � 100' ,. 100' GRAPHICAL SCALE N SITE 2 BANK STABILIZATION. & IMPACTS W SURFACE WATERS � � \��. / �� F\5V � �`����/� � �0� �-%— E � / � � � � , � � r � ��I j ,� O O� \ \ \ . � 1�,1. �. % / \ �LQ�� 2�,, �$�,�P �p,0 � � S T. WOOTEN 1/11 moffatt & nichol S� END STATE PROJECT B-5665 , END CONSTRUCTION -L- STA 24+06.50 0 IATERAL 'V' DITCH SEE DETAIL A SITE 3 ROADWAY & IMPACTS IN WETLANDS \ti, TOE PROTECTION K F SEE DETAIL C / _ �— � iJ / TOE PROTECTION� — SEE DETAIL C . R i -- --- � `, 363 � /e��/ F 2 �3 OE N e �F � � � os �i � "� / % � E E«z � ' f — / $F -c1P`� . / � ?�" �=- f� �� � _. ��= --�� Tj e � � � � � �� �� � � ��� �� � � � �S7 ��� c���P \ � \�c I . \ y ',, � � ��h ^� � � � SITE 1 F I � a� ��t�� � � �� � �� �\"'�,�e � � BANK STABILIZATION � r� \'$ �:� ` w ��_ � �e / �I / � I I / i � / �^Z,`So � ` & IMPACTS IN o �1 e 1s Te � � �� ` � SURFACE WATERS SITE 2 ` �F � s� � � �i� ��'� ��—/ ���_� � � ��`"� � � � BANK STABILIZATION� �� ' ��� T � , 'i � � � � & IMPACTS IN � � °1 � � � '$ `�` � - � �� � �. � SURFACE WATERS - "'� �` � ��� � � � � � h � � � \ \ -- - ` Te , , � � /-_ � � �� ,�� � f , _ `^'� "�� � � � �� � �^--oti �� � -- � � - e= re � . w000s w . � - - � - � � � -� 'TB �te l, � .�,n, _-____ � �- - . � � -4"-4 �u_� 4. .___ BI TB . '-.-�� — ,,,,, _ _ _ _ 2- _ ��\ � � _ —�__ - _.. .__ . .. . �� /_ . , � � 4 BRIDGE REMOVAL & IMPACTS IN SURFACE WATERS i _ _ _ � \_ _ ._ _ - _ � . � � NOTES T MPORARY �h �^"L� � — MPACTS IN SURFACE WATER �= � . . � . — — _ _ _ — - _ ..� . . - .. - ,. : ' . _ _ / � � DENOTES IMPACTS IN _— .'0� ^ r-''-r`'"i'.-"'�'1-'^�m.L— _-u _ — � _ _. — — _ _ � � - . � SURFACE WATER � __ ______ . `z. h��,s-.. — — � _ _ _ — ' . � � ''"'`L-r�„ v,.��4�, �,v;�� � DENOTES FILL IN � � � wETLAND Fai[rv7. s�n � -- -- ------ DENOTES MECHANIZED CLEARING O �' � � � � � � � � PROIECT REFERENCE NO. SHEET NO. 6 \ . . _ _ � B-5665 PRM-5 ROADWAY DESIGN HYDRAULICS . . . . . . . . . . . . . . . . . . . �. �I � ENGINEER ENGINEER . .__ ._. .... . �... ... .__ __._ _. . _._._ __. .. . . . . . -._ _.. i . . . . I . .. . ! ' _L_ __ , _ .__--__ _ _ - - _._ ____ �, _ _ _ i SR 1309 (SPRUILLS BRIDGE ROAD) II'�, S T. WOOTEN _ _ __ _ . ___ I ----- '� ---__ I' __ I' ___ ____ – '' I — ,/„ 'i �' �i I'� ii II �i � � � '�'� � � ���� :_:_ �:_:_: _ :. _:. : : : : : : : � � � � � � � � � � ! � � . � � . �, i71 O f f C1 t t & n i c h o I DOCUMENT NOT CONSIDERED FINAL � :_ _ __ ._ ._ . _ _ . _. . , , .. ! �. �. . �. �. �. �. �. �. . �. �. . �. �. �. �. . �. �. �. �. �. �. �. �. �. � : , �, �, �, !i ' � UNLESS ALl SIGNATURES COMPLETED ;---- eR�o�E HYORAuuc oArA �' P E RM I T D RAW I N G 50 25 0 50 100 I II _ �i DESIGN DISCHARGE _ 1900 CFS SHEET 5 OF 7 �,I DESIGN FREQUENCY = 2 YRS ��i i ----- I I �ESIGN HW ELEVATION = 176.1 FT I I I I I HORIZONTAL BASE DISCHARGE = 8330 CFS �� !I II' BASE HW ELEVATION - 183.2 FT �- � ', 10 5 0 10�0 �� __ _ � 0 EETOPP NGED SCHARGE _ 1950 C�S i i ' Irr�i-��-� I� BEGIN GRADE I I I I I I I I I I I ,,,,, I VERTICAL 200 190 �8� 170 160 150 140 130 120 110 100 .___ ELEVSTA�� 00.00 _ EL =12219�� � II -- - I OVERTOPPING ELE� TIONy- 176J FT _ s"e sTaia50ez i3LTs93e.sa - - -- �i--- I ii I I I � . .i . . . . I . VC - IOO� i '� ' � . . . . . . . � SPIKE IN 15" OAK . . I ., . I �. . . . . , . - . i i i I -_ _- _ � i. i i . _ . . ____ . �. � . . . � K=30 � � � -__ ,- ,- --- --- — -- � --r-� � � � � � � � � � � �--- -�--- - ___ -- � �� i � � � � � � _ � ___ _ '� � � DS = 35 m h � __ --- - � p ' '� �''' � � � � � � � ',, �ATE OF SURVEY = 12-20-20/6 � J' � � J _ _ _ i �__'_ � �_� � � �� u I- � � � ' - � � � � i � I W.S.ELEVATION -- - ri � i i i __ i i i i i i �i I : i-- �i i � . - �'� � � '� '� � � '� '� '� '� � � � � � I�'� � ,,', I AT DATE OF SURVEY = 168.9' FT � -'� � �'� � � � � �� �� � �� i � _� _,_ _ _ ____ _ _ -- ' � ' , ' ' , _, � � _ � � � � � � � , ; . _ _ �.� � �� ��� � � � � i � � � _� � � �� � � � � � ��, ' _ _ � _; � � �� � �� � � , � � ' .23p _ _ �_-_ . � 8% i � ___ i i i ' 3 i i i - - . i _ -- -- i i u - li � - . - - �� � __ ,�, �, � � � _' � � � � __'_ ___ � __ _�� �. f_ -, _ --� - �� � � _ _ � � � - � � -i iii i i-i \:_ il _ i iii , i _ , �i _ i iii -i.ii � �6 � _ � , � � Pl =_ 17+23.00 _ _ _ _ I S9/3 � �\ - EL _ 19209 .- -- - . � � � r� � � � .__' _' -_ � � � � K= 49 ----- -- -��,� __ VC l90' �� � � � i, � _- � � ' I II � -- ` � � ''� - i ��� �_ ' � . I , -'- ' � � � '� ' ___ `� DS = 35 mph � ' � _ , � � � � � � - � ' -- , LL - _ i ' ' , � � � - — � - � -- - � -- -- J W I- - ' END GRADE I'� � �'� � � --- � '' '�- � �� , ` � i � � � '� � � � ii i\ i i i i i � _ �_ � 3.36/, , . � , - - + 5 � � �' � � �'' � � � � � � � ___ 1 LL ._� . �I � _ -- = A 1 7 6. 0 0'6 � _ ' L ST . 0 � � � i i i,i i i - I i � i � i W LL � ELEV � ,, , o� � �� � � � � � : LL , - - , � _ Pl = 23+30.00 _ I � � — - _ m> � � --- � � " � � I EL = 17570' �' � � � ' � ` Z� _- _ m a _ I _'� _-_ -- I I _ F� m� _ �� � �� � � i p �i� PR¢POSED' GRAD� _. l �� �i � ', i � � � w r . . - � �i � � � O . . _ , . i ���. . . , . i � � � � i . � : i i . / . .�. . . . . . I�! . . . . VC l50' , i � , �, �� �� �� �, , o� \ 3�. � `5 8/-� K 49 I I ��. �.-i . i i i ii i 'i 'i 'i i i �i. i ' i 'i ' i i i ii i �i i �i �i i �i, i �i �' ' ' �' �', . . N. N .� .O . �i� . . . . , . � . 0.50/ . . ¢ : . . . . W � . I� �. . . . �. . . _ . . . . . . �-_ � DS - 35 mph o F -���� _ -. . : 'i � i i i i � � i � i � � i �o �� i \� �,, i I �� I - _ _ �. �. I � ) CSP . 39"BB . . . . ,. . . . . I'� I I'�.I I I��.I'� '�..I I'� I'��I '��'" I'��.I �I I��.I'� �I '��.I'�. I I I II I. � B I _I �__ •66� __ . - , , . , , , , . . . . . \ �� 4'-0' CAP . . .. �-�2.TOOZ% ._.._. . . . . . .i iil .I i ii.i i- . �i i i i i ii �ii�� i ii i iii . � � . . . . i i i i . __ i. i. i. i i i i �i i i i �i i _ . . � .__ _ � O O � � .. /.3.70� ♦ 4 0" CAP �. . . .. .�- �_ � .. f . . . -- � - � �ii i �i� �, . . . _ J � � � ' � � � : o � o � o _ � - ..� ` � � "_''_- '` -- Y---- — _ _ � -r10.3922% � - _ _ _ - � , � � � o o � o0 0 /.l7% �l8'� RCP ' �'� � � � � � � �� � � � � � � � �, � �,I � � � � � � , . � , � , ' � �� �� � �� � � � � , � o i i i �. ��-� i � i i i i. i li i i �.i i ��i i li �.i i i I i li i �.i . . . . . � � + � � � . . 00 .. - . . . . . . . . .. _.__ _ . . . _:. i .--. . -. . . . . p . . _ __ ' . O . ._ �___.__ _- _� �. . � � � O Ir�j � � �, . �. �. � EXISTING .GROUND I i � �. * � . �. . I �I �. . � �. I .. I � ' �� � � �� � � � � � �� � , ' � �� � �� � , • �_ ,-- . oo _ � � -_i O \ � __ cv �I „ -- I � �, � � � I � � � � � i _� -- i i i . '----- ' � ' ��. I�i ��� i �� . _ _- . i -.. _ . . . . . O . . . . . . . . . . . . . �::— -I � il . �__. � �'l � � OJ _ PROP 25YR 180.7' �. �. �. �. �. N �. �. . _ -- .. - � � � � O EXCAVAiE PROP 100YR 1831'�. . �. �. �. . . i .'I _ �. N.� . -. i i i I �I i il I �i i i i ... I �� �i �i �i �i i i i � . � ii � � �� ..- i i i �i i . � . . . . . � � � � TO 1731:5�- .. __ _ _ .. . . . . I -... . _. . -.�� - . . . . _ - - - �- i J I I PROP 2YR = 176.1' ! .. _ _ ' - _ _. . ' , , _ , . .. ,._ _ ', . . - ,_ , _ . � . . . . . . . .. _ �. . .. .. . . _ � .__ - . . ._ ... . . . . i . . . . . . i NWS EL ; 168.9; i. .__ .�. �. . . _ .. . . i . . . . . . . . _ - _ I - i _ ..i . . . . . . . . . ... . . . . . . . . . . ! i . . . . . . . . . . .. . . . . . . . . . . -.. . . :.. . . . . . .. _i . . �i-_. _ ... .. . . __ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. � . .. . .. .. . .. .. .. .. .. .. ;i�. .. .. .. .. .. .. .. .. .. .. . . , . ..�i.� i. . . . .. .. .. . .. . .. .. .. .. . .. .. .. .. .. .... .____. _.. .. .. .. .. . .. .. . .. . .. .. . .. .. . .. .. . . � . .. ..�.I�... I. . . . . .. .. . .. .. . .. .. .. . .. .. . .... __._____. . .. .. .. .. . .. .. .. .. .. .. � .. .. .. .. .. .. .. .. .. .. .. .. .. � .. .. .. .. .. i . �. . .. . .. . .. . .. .. .. .. . .. .. .. .. .. .. . .. .. . _ � -- � � _ : �_ : : : _ �:: � : : I _ _ _ _ _ , _ _ _ __ � : : � I — � �- ' : i , _ _ � _ DITCH LEGEND — - - __ _ RIGHT DITCH - - - - - - : :: : : : : : LEFT DITCH -------- : I :: I� ---_ ----,---- , I � � � _I ' I ' ,' ' I I I FOR -L- PLAN SEE SHEET 4� I �i � �i � � I � � I � ' � � i � � � � I � i � 11 1�2 13 14 1�5 16 17 18 19 20 21 22 23 24 25 200 190 � $� 170 160 150 140 130 120 110 100 WETLAND AND SURACE WATER IMPACTS SUMMARY WETLAND IMPACTS SURFACE WATER IMPACTS 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) (tt) 1 -L- 17+03 RT TO 17+90 RT Roadway and Ditch 0.02 1 -L- 17+g0 RT TO 18+80 RT Bank Stabilization 0.01 97 2 -L- 18+80 RT TO 18+92 LT Bank Stabilization < 0.01 < 0.01 69 30 2 -L- 18+99 RT TO 19+23 LT Bank Stabilization < 0.01 < 0.01 3 -L- 19+57 RT TO 20+07 LT Roadway 0.03 < 0.01 3 -L- 20+32 RT TO 20+58 LT Roadway 0.02 4 - 21+54 RT TO 21+93 R Bridge Removal 0.03 43 TOTALS*: 0.08 < 0.01 0.01 0.05 69 170 0 *Rounded totals are sum of actual impacts NOTES: Revised 2016 09 09 �f See Sheet 1 A For Index of Sheets See Sheet 18 for Conventlonal Symbols � � CI` N O� O N V • � � V � � 0 V NCDOT CONTACT: VIRGINIA MABRY MANAGER - PRIORITY PROJECTS UNIT ����1Le �ll" ��J���� ��JI10����� �������� �� �������� HALIFAX CO U1�lTY BEGIN TIP PROJECT B-5665 —L— POT STA 12 + 00.00 LOCATI0111: BRIDGE 1110. 410138 OVER LITTLE FISHING CREEK ON SR 1309 (SPR UILLS BRIDGE ROAD) TYPE OF WORK: PAVIIVG, GRADIIVG, GUARDRAIL, DRAIIVAGE, PAVME11rT MARKIIVGS AND STRUCTURE BUFFER IMPACTS PERMIT �' � LITTLE FISHING �0�� �� '� � CREEK l � - � � -L- SR 1309 SITE 1 �" A ���'p� �3.� � (SPRUILLS BRIDGE ROAD) �0 �G � � � � � � p �,A ' ' _ _ �O, � � SITE 2 �� ���'� � ! �. � �_i 1� � CREEK � � �- ( �� - ., , %� '��, BEGIIII BRIDGE —L— STA 18 + 44 +/— THIS PROJECT IS NOT WITHIN ANY MUNICIPAL BOUNDARIES. E111D BRIDGE —L— STA 19 + 46 +/— CLEARING ON THIS PROJECT SHALL BE PERFORMED TO THE LIMITS ESTABLISHED BY MODIFIED METHOD II i ���1 � �P g3 �P� �� S T. WOOTEN moffatt & nichol BUFFER DRAWING SHEET 1 OF 6 END TIP PROJECT B-5665 —L— POT STA 24 + 06.50 DOCUMENT NOT CONSIDERED FINAL UNLESS ALL SIGNATURES COMPLETED GRAPHIC SCALES DESIGN DATA PROJECT LENGTH P�epo�ed for N�ooT in the Office of: HyDRAULICS ENGINEER 1/1,moffatt & nichol ,°Q��`"Roi"•,, ADT 2016 = 270 a,�,< FA��s �F �F ;E Ao �.s�� E 30 1/11 :�2�:�DFESSi09�9' 50 25 0 50 100 <9��:;a;4'sas"°o�E °�°91 ,a�'-�as9 4x moffatt & nichol ;a sEq� `; : ��Opp ADT 2036 = wA LENGTH ROADWAY TIP PROJECT B-5665 = 0.208 mi. Nc ���P�se No. 9�F-o°��5 ` -:. o43,�s : �° ��e .. 20l2 STANDARD SPECIFICAT70NS '%° `�fNG I NEEi' o� v°j g�n PLANS LENGTH OF STRUCTURES TIP PROJECT B-5665 =0.020 mi. °:;F�;a�c5�'''' n � P.E. �i.�u�u... SIGNATURE} ua < LENGTH OF STATE PROJECT B-5665 =0.228 mi. RIGHT OF WAY DATE: TIM R. REID, P.E. a so 25 0 50 loo T= 6%* g V= 35 MPH OCTOBER 18, 2016 rxorEcr EucruEEn ROADWAY DESIGN ..�,�'cAao�•.., � �- PROFILE (HORIZONTAL) * TTST 3% DUAL 3% ENGINEER .�`=°4oFE5sio'9•.."*`-: "'���� o�Q� FUNC CLASS = LETTING DATE: TRENT E. HUFFMAN, P.E. �,,, "`: 05869(.' • �� pa���Q �0 5 � �� 2� PROJECT DESIGN ENGINEER moffatt & f11Cf10� '+F!✓GINEEA;�� `: LOCAL OCTOBER 18, 2016 ,'�-T R:; RE,�,.��°� PROFILE (VERTICAL) SUB—REGIONAL TIER PE � S7GNATURE: DETAIL A L4TERAL 'V' DITCH (No�fo Scole) 1 I--� F�n \O ����e Oq F�� p gJ i h�. sioae Fe M��. o= i r,. b= 2 F. FROM STA.22+50 LT TO STA.24 F00 LT WILLIAM RANSOM JOHNSUN & MAT� RANSOM JOHNSON DETAIL E EXCAVATION PLAN VIEW END (rvorro Scole) BENT -L- _� � 3:1 CUT SLOPE TIE TO EXISTING GRADE 2 1.5:1 CUT 'EXCAVATE TO SLOPE ELEVATION 173.5' 3 a 3�1 CUT StOPE TIE TO E%ISTING GRADE // DO NOT E%CAVATE PAST J STREAM TOP OF BANK 'EXCA`/ATE TO THE STATION AND OfFSET DETAIL D SPECIAL NT DITCH �Nolio Scalel � o��rcn p� �� Slopc �,o��d ?� p p�°��0� Min. D= 1 Ft. FROM STA.17+50 TO STA.18+00 LT FROM STA.18+00 TO STA.18+50 LT 100' ,. 100' GRAPHICAL SCALE � � S T. WOOTEN 1/11 moffatt & nichol �� o�j /� � � $Z' �ri� • � ��� � � � ��� :�+ � i � T ti �f`� �t. 1 _ _ � / • e� r8 . �5 � \I ; � �—�� �, � � ..i� !' \ � % . . . ' . TB . f � TB � -- ______ ,. � n,�u� � __. , 4,.�-4�=^4.�-4 ,,,. __--___BI? T - ` -- ---- . . - - --- . . . � . . -�� � � _ _ — — — — _ .. — _ -_ � /'�� � ALLOWABLE IMPACTS ZONE i �= � . . -� ., _ _ _ � '-� , ' � � �' � .-.� r. — — � — _ _ — i _ _ . . , _ '_� , �• ' � " _ t r �,-ntr,,-,.v..,`��±, . �- _ , i � � — �: � ' ALLOWABLE IMPACTS ZONE 2 SITE 7 - GRADING & BUFFER ZONE IMPACTS 200 190 �8� 170 160 150 140 130 120 110 100 � � � � � � � � PROIECT REFERENCE NO. SHEET NO. . : . _ _ _ � B-5665 BUF-4 ROADWAY DESIGN HYDRAULICS . . . . . . . . . . . . . .. . . . . . . . � ENGINEER ENGINEER . .__ ._. .... . �... ... .__ __._ _. . _._._ __. .. . . . . . -._ _.. i . . . . I . .. . ! ' _L_ __ i SR 1309 (SPRUILLS BRIDGE ROAD) II'�, S T. WOOTEN , _ .__--__ _ _ - - _ _ ____ _ �'� __ _____. __ __ , � ----- '' ---__ I! __ I' ___ ____ - ' I - ,I„ ', �' �i I'� ii 'I �i � � � '�'� � � ���� :_:_ �:_:_: _ :. _:. : : : : : : : � � � � � � � � � � ! � � . � � . �, i71 O f f C1 t t & n i c h o I DOCUMENT NOT CONSIDERED FINAL � :_ _ __ ._ ._ . _ _ . _. . , , .. ! �. �. . �. �. �. �. �. �. . �. �. . �. �. �. �. . . . . . . . . . . . ; � . . . . . !i ' UNLESS ALl SIGNATURES COMPLETED ;---- eR�o�E HYORAuuc oArA �' B U F F E R D RAW I N G 50 25 0 50 100 I II _ �i DESIGN DISCHARGE _ 1900 CFS SHEET 4 OF 6 �,I DESIGN FREQUENCY = 2 YRS ��i i ----- I I �ESIGN HW ELEVATION = 176.1 FT I I I I I HORIZONTAL BASE DISCHARGE = 8330 CFS II II II; � ERETOPPINGEDISCHARGE _ 1950 C�S � 10 5 0 10�0 . . . ��'�'� . �. �. �. __ .�. _ ._�_ � . . _ �. �. . . . . . . . . . . . �. �rii-�-�-� I� BEGIN GRADE ' i I I I I I I I I I I I I I I ,,,,, I VERTICAL ___ ELEVSTA�� 00.00 _ EL =12219�� � II . _ __ _ I OVERTOPPING ELE� TIONy- 176J FT _ s"e sTaia50ez i3LTsv3e.sa - - -- �i--- I ii I I I � . .i . . . . I . VC - IOO� i '. . ' . . . . . . . . � SPIKE IN 15" OAK . . I ., . I �. . . . . , . - . i i i I � _-_ _- _ � i. i i . _ . . ____ . �. � . . . K= 30 � � � ' -__ ,- ,- � --- --- — -- � --r-� � � � � � � � � �--- -�--- - ___ -- � �� i � � � � � � _ � ___ _ '� � � DS = 35 m h � __ --- - � p ' '� �''' � � � � � � � ',, �ATE OF SURVEY = 12-20-20/6 � J' � � J _ _ _ i �__'_ � �_� � � �� u I- � � � ' - � � � � i � I W.S.ELEVATION -- - ri � i i i __ i i i i i i �i I : i-- �i i � . - �'� � � '� '� � � '� '� '� '� � � � � � I�'� � ,,', I AT DATE OF SURVEY = 168.9' FT � -'� � �'� � � � � �� �� � �� i � _� _,_ _ _ ____ _ _ -- ' � ' , ' ' , _, � � _ � � � � � � � , ; . _ _ �.� � �� ��� � � � � i � � � _� � � �� � � � � � ��, ' _ _ � _; � � �� � �� � � , � � ' .23p _ _ �_-_ . � 8% i � ___ i i i ' 3 i i i - - . i _ -- -- i i u - li � - . - - �� � __ ,�, �, � � � _' � � � � __'_ ___ � __ _�� �. f_ -, _ --� - �� � � _ _ � � � - � � -i iii i i-i \:_ il _ i iii , i _ , �i _ i iii -i.ii � �6 � _ � , � � Pl =_ 17+23.00 _ _ _ _ I S9/3 � �\ - EL _ 19209 .- -- - . � � � r� � � � .__' _' -_ � � � � K= 49 ----- -- -��,� __ VC l90' �� � � � i, � _- � � ' I II � -- ` � � ''� - i ��� �_ ' � . I , -'- ' � � � '� ' ___ `� DS = 35 mph � ' � _ , � � � � � � - � ' -- , LL - _ i ' ' , � � � - — � - � -- - � -- -- J W I- - ' END GRADE I'� � �'� � � --- � '' '�- � �� , ` � i � � � '� � � � ii i\ i i i i i � _ �_ � 3.36/, , . � , - - + 5 � � �' � � �'' � � � � � � � ___ 1 LL ._� . �I � _ -- = A 1 7 6. 0 0'6 � _ ' L ST . 0 � � � i i i,i i i - I i � i � i W LL � ELEV � ,, , o� � �� � � � � � : LL , - - , � _ Pl = 23+30.00 _ I � � — - _ m> � � --- � � " � � I EL = 17570' �' � � � ' � ` Z� _- _ m a _ I _'� _-_ -- I I _ F� m� _ �� � �� � � i p �i� PR¢POSED' GRAD� _. l �� �i � ', i � � � w r . . - � �i � � � O . . _ , . i ���. . . , . i � � � � i . � : i i . / . .�. . . . . . I�! . . . . VC l50' , i � , �, �� �� �� �, , o� \ 3�. � `5 8/-� K 49 I I ��. �.-i . i i i ii i 'i 'i 'i i i �i. i ' i 'i ' i i i ii i �i i �i �i i �i, i �i �' ' ' �' �', . . N. N .� .O . �i� . . . . , . � . 0.50/ . . ¢ : . . . . W � . I� �. . . . �. . . _ . . . . . . �-_ � DS - 35 mph o F -���� _ -. . : 'i � i i i i � � i � i � � i �o �� i \� �,, i I �� I - _ _ �. �. I � ) CSP . 39"BB . . . . ,. . . . . I'� I I'�.I I I��.I'� '�..I I'� I'��I '��'" I'��.I �I I��.I'� �I '��.I'�. I I I II I. � B I _I �__ •66� __ . - , , . , , , , . . . . . \ �� 4'-0' CAP . . .. �-�2.TOOZ% ._.._. . . . . . .i iil .I i ii.i i- . �i i i i i ii �ii�� i ii i iii . � � . . . . i i i i . __ i. i. i. i i i i �i i i i �i i _ . . � .__ _ � O O � � .. /.3.70� ♦ 4 0" CAP �. . . .. .�- �_ � .. f . . . -- � - � �ii i �i� �, . . . _ J � � � ' � � � : o � o � o _ � - ..� ` � � "_''_- '` -- Y---- — _ _ � -r10.3922% � - _ _ _ - � , � � � o o � o0 0 /.l7% �l8'� RCP ' �'� � � � � � � �� � � � � � � � �, � �,I � � � � � � , . � , � , ' � �� �� � �� � � � � , � o i i i �. ��-� i � i i i i. i li i i �.i i ��i i li �.i i i I i li i �.i . . . . . � � + � � � . . 00 .. - . . . . . . . . .. _.__ _ . . . _:. i .--. . -. . . . . p . . _ __ ' . O . ._ �___.__ _- _� �. . � � � O Ir�j � � �, . �. �. � EXISTING .GROUND I i � �. * � . �. . I �I �. . � �. I .. I � ' �� � � �� � � � � � �� � , ' � �� � �� � , • �_ ,-- . oo _ � � -_i O \ � __ cv �I „ -- I � �, � � � I � � � � � i _� -- i i i . '----- ' � ' ��. I�i ��� i �� . _ _- . i -.. _ . . . . . O . . . . . . . . . . . . . �::— -I � il . �__. � �'l � � OJ _ PROP 25YR 180.7' �. �. �. �. �. N �. �. . _ -- .. - � � � � O EXCAVAiE PROP 100YR 1831'�. . �. �. �. . . i .'I _ �. N.� . -. i i i I �I i il I �i i i i ... I �� �i �i �i �i i i i � . � ii � � �� ..- i i i �i i . � . . . . . � � � � TO 1731:5�- .. __ _ _ .. . . . . I -... . _. . -.�� - . . . . _ - - - �- i J I I PROP 2YR = 176.1' ! .. _ _ ' - _ _. . ' , , _ , . .. ,._ _ ', . . - ,_ , _ . � . . . . . . . .. _ �. . .. .. . . _ � .__ - . . ._ ... . . . . i . . . . . . i NWS EL ; 168.9; i. .__ .�. �. . . _ .. . . i . . . . . . . . _ - _ I - i _ ..i . . . . . . . . . ... . . . . . . . . . . ! i . . . . . . . . . . .. . . . . . . . . . . -.. . . :.. . . . . . .. _i . . �i-_. _ ... .. . . __ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. � . .. . .. .. . .. .. .. .. .. .. ;i�. .. .. .. .. .. .. .. .. .. .. . . , . ..�i.� i. . . . .. .. .. . .. . .. .. .. .. . .. .. .. .. .. .... .____. _.. .. .. .. .. . .. .. . .. . .. .. . .. .. . .. .. . . � . .. ..�.I�... I. . . . . .. .. . .. .. . .. .. .. . .. .. . .... __._____. . .. .. .. .. . .. .. .. .. .. .. � .. .. .. .. .. .. .. .. .. .. .. .. .. � .. .. .. .. .. i . �. . .. . .. . .. . .. .. .. .. . .. .. .. .. .. .. . .. .. . _ � -- � � _ : �_ : : : _ �:: � : : I _ _ _ _ _ , _ _ _ __ � : : � I — � �- ' : i , _ _ � _ DITCH LEGEND — - - __ _ RIGHT DITCH - - - - - - : :: : : : : : LEFT DITCH -------- : I :: I� ---_ ----,---- , I � � � _I ' I ' ,' ' I I I FOR -L- PLAN SEE SHEET 4� I �i � �i � � I � � I � ' � � i � � � � I � i � 11 1�2 13 14 1�5 16 17 18 19 20 21 22 23 24 25 200 190 � $� 170 160 150 140 130 120 110 100 RIPARIAN BUFFER IMPACTS SUMMARY IMPACT BUFFER TYPE ALLOWABLE MITIGABLE REPLACEMENT STRUCTURE SIZE / ROAD PARALLEL ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 SITE NO. TYPE STATION (FROM/TO) CROSSING BRIDGE IMPACT (ft2) (ftZ) (ft2) (ftZ) (ft2) (ft2) (ft2) (ft2) 1 BRIDGE -L- 18+21 RT TO 19+06 LT X 4798 3194 1 BRIDGE -L- 19+16 LT TO 20+57 LT X 6235 4426 2 GRADING -L- 19+70 RT TO 20+65 RT X 2017 2217 2 GRADING -L- 20+70 RT TO 20+97 RT X 52 TOTAL: 13050 9889 0 0.0 0.0 0.0 0.0 0.0 Rev. SEP 2016 Rev. May 2006 Rev.Jan 2009