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Home My WebLink About20161269 Ver 1_Beaufort_149_hyd_Permit_Package_2016-12-06_20161222/��o,�,c.\\ I�Ii�;h�Vcly North Carglina� e artment of Trgns ortation ��`� �"� � P P � , � c1teP �• , StOI"Y Y l�v Hi hwa Stormwater Pro ram " � ",",, STORMWATER MANAGEMENT PLAN —^�'=°/ (Version 2.07; Released October 2016) FOR NCDOT PROJECTS WBS Element: 17BP.2.R.70 TIP No.: County(ies): Beaufort Page 1 of 2 General Project Information WBS Element: 17BP2.R.70 TIP Number: Project T pe: Brid e Replacement Date: 11/1/2016 NCDOT Contact: Ja B. Johnson - Division Environmental O�cer Contractor / Desi ner: HNTB North Carolina, P.C. / James A. B rd, PE Address: 105 Pactolus Hwy. (NC 33) Address: 343 E. Six Forks Road PO Box 1587 Suite 200 Greenville, NC 27835 Ralei h, NC 27609 Phone:(252)439-2800 Phone: 919 424-0437 Email: 'b'ohnson ncdot. ov Email: 'ab rd hntb.com Cit ITown: Pinetown Count ies : Beaufort River Basin(s : Tar-Pamlico CAMA Count ? Yes Wetlands within Project Limits? Yes Pro'ect Description Pro'ect Length lin. miles or feet): 0.18 Surroundin Land Use: Rural Residental and Agriculture Proposed Pro'ect Existin Site Pro'ect Built-Upon Area (ac.) 0.6 ac. 0.5 ac. Typical Cross Section Description: 2- 11' asphalt paved lanes with 2' paved shoulders, 6' grass shoulders. Impacted ditches 2- 10' asphalt paved lanes with grass shoulders, 2:1 grass lined ditches in the are replaced with 3:1 front and back slopes. southeast quadrant. Existing ditches in the northwest and the northeast quadrants dissipate prior to tying to Acre Swamp. Annual Avg Daily Traffic (veh/hr/day): Design/Future: 1260 Year: 2033 Existing: 630 Year: 2013 General Project Narrative: State project 17BP.2.R.70 involves the replacement of Beaufort County Bridge #060149 on SR 1508 (Long Ridge Rd.) over Acre Swamp. The existing bridge consists of 1@ (Description of Minimization of Water 17' - 3", 1@ 17'-0", and 1@ 18' - 0" Reinforeced concrete deck spans on timber joists and is to be replaced with a 1@ 30' - 0", 1@ 40' - 0" and 1@ 30' - 0", 21" cored slab Quality Impacts) bridge (100' total length, 33' total width) north (upstream) of the existing bridge. In accorance with Tar-Pamlico River Buffer Regulations, the proposed bridge does not contain deck drains, all stormwater from the bridge and approches will be collected by a concrete flume and discharged into a class 'B' Rip-Rap pad within the proposed special lateral 'V' ditch at -L- 22+64 RT . Proposed ditch in the northwest quadrant is replaced with 3:1 front and back slopes which transition to a variable width base ditch to replicate existing drainage patterns. The proposed ditch in the northeast quadrant is replaced with 3:1 front and back slopes and ties to existing ditchs that dissipate prior to tying to Acre Swamp. Proposed ditch in the southeast quadrant is replaced with 3:1 front and back slopes and is tied to the existing ditch prior to joining Acre Swamp. Waterbody Information Surface Water Body (1): Acre Swamp NCDWR Stream Index No.: 29-34-35-1-1 NCDWR Surface Water Classification for Water Body Primary Classification: Class C Supplemental Classification: Swamp Waters (Sw) (NSW) Other Stream Classification: Impairments: 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) HI hWa North Carolina Department of Transportation s"� �StOYC lwc`�tPY ��,�I ,,,,,.,�.,, Highway Stormwater Program STORMWATER MANAGEMENT PLAN - (Version 2.07; Released October 2016) FOR NCDOT PROJECTS WBS Element: 17BP2.R.70 TIP No.: County ies): Beaufort Page 2 of 2 Swales Station & Coordinates Surface Base Front Back Drainage Recommended Actual Longitudinal Rock BMP Sheet (Road and Non Road Water Width Slope Slope Area Treatm't Length Length Slope Q2 V2 Q10 V10 Checks Associated w/ No. Pro'ects Bod it H:1 H:1 ac ft ft % cfs f s cfs f s Used Buffer Rules? 4 18+75 LT (1)Acre 0.0 3.0 3.0 3.9 390 850 1.30°/ 3.8 2.0 5.3 2.1 No No 35.626638, -76.854828 Swamp 4 25+50 LT (1)Acre 0.0 3.0 3.0 1.4 140 1050 0.50°/ 3.4 1.3 4.4 1.4 No No 35.627153, -76.853652 Swamp 4 21+g0 RT (1)Acre 0.0 3.0 3.0 1.8 180 550 1.65°/ 1.8 1.8 2.5 2.0 No No 35.626721, -76.854103 Swamp 4 -DRV1- 11+g3.9 RT (1)Acre 0.0 3.0 3.0 0.3 25 99 0.75°/ 0.8 1.1 1.0 1.2 No No 35.626721, -76.854103 Swamp Additional Comments y�,2 Place Matting for Erosion Control wETLAN D MECHANIZED CLEARING IN WETLANDS =<0.01 Ac /119 SF O Ofl SIOp2 OS WOI'IC AIIOWS. FILLIN WETLANDS = 0.02 Ac/713 SF N Sta.19+50 to $fq.2�+7� ti" EXCAVATION IN WETLAND = 0.0 Ac /0 SF 0.� o�'� L� VAft. WIDTH -.gEG/PJ / END >AFE7Y FENCE SPEGIAL LAT -L- S7A19+00 (RiJ AHILL�P �aARQYr;�.: gqSE DITCH � � �B i522 PL 565 � � � \ SEE DETAII 7 y: � r � 1 -1 � } �, -'� 'y O I �- Y � � 'Y �` Y' '� i, _ � � � � � � � � I - , _ i �"- � C $PECIAL LAT.'V' DITCH-� [, BEGIN PREOJE�CT � »Rn�n�n . STA l7 + 75 � � 4EGlN / END SAFETY FENCE -L- 57A,17+70 lLTI LEGENO � DENOTES MECHANIZED CLEARING � DENOTES FILL IN W ETLAN D � DENOTES EXCAVATION IN WETLAND W3 MECHANIZED CLEARING IN WETLANDS = 0.0 Ac /0 SF FILL IN WETLANDS = 0.0 Ac /0 SF EXCAVATION IN WETLAND = 0.0 Ac /0 SF 40 30 20 10 � MATERIAL TO BE-REMOV€D ��- -� �-� -- -_. . . �. . � �. �.�. --__ BEGIN RADE __- . �- _i_ 6 STA 7+J5:�0 - � � �_ � � � ,. � � � 1 , - � - - � .., - F�=�cFw.�IN----NF� � - \ ill��iF+Y f'... . / SPECIAL DITCH � HNTB NORTH CAROLINA, P.C. PROIECTREFERENCENO. & STREAM IMPACTS p�NTB NC1Li9ense�NohkCaR554naSZ�6o9200 17BPwwR EO NO. /0� ' a ' ROADWAY DESIGN j�J ENGINEER BEGIN / END SAF�7Y FENCE -L- STA25+50 1R71 SPECIAL L4T_'V' DITCH SEE DETAIL 3 wt MECHANIZED CLEARING W WETLANDS = 0.0 Ac /0 SF FILL IN WETLANDS = 0.0 Ac /0 SF EXCAVATION IN WETLAND = 0.0 Ac /0 SF � � C C _E F E- - T �� -� � --F - �/ �- � ��-�'y��k�� - �- 1 ,� i7f� _xc� - _ /��- _ .. REMOV i _ _ _.-,,, - ., .. / �,C TIE O / f 1 � %. F 1 ^ �_ ov ' H E-�`i �� E C-,- �a„- E� � ti mti w - ;,-' E END PRO ECT 17BP.2.RJ0 � - fPECIAL LAT'.'V' - � TIE TO EX. SPECIAL LAT.'V' DITCH �7 Q' / � � - �'- '� SEE DETAIL 3 � - DITCH E��DETAIL 4 O / o�T�H -L- POT STA Z/ +2S.00 , ryE DETAIL 4 DETAIL 6 � / .� I --._ SPECIAL LATERAL'V' DITCH SPECIAL LATERAI'v' DITCH mN <p~ .' I O INorro s�u�ry INo��o s�oe� � d� � � � �-F�� ` I � SPECIAL LAT.'V' ' .. I ZkFf!E JONGS Noi�,a � ..1._. ,�.�N �v'�u �awra 9��a� s�aa .�� / DITCH SEE DETAll6 SPECIAL LAT.'V'DITCH �"�T-+" R.DOUGleS I 06 in7'f PG 2n5 ��o��d qq p F�oO� s�a c�oun� r�i�� D Eo SEE DETAIL 3 `-F�9 � 41 x 10 x 3 ��a �- M;� o- �.� F� BEGIN / END SAFE7Y FENCE' m��. o= as r+. *rPa �F ��e�°• ia ro�s, a�s� x�o-rtap a.. d= as H. -L- srq.22+5i2n +' �p 4.1 DETAIL 3 cea�e.�ae - zo.v SPECIAL LATERAL 'V' DITCH FROM -DRV7- STA, 10 I� 95.25 TO STA. 11 +44.20 RT FROM -�RVI- STA. 11+44.70 TO STA. 71 -56.59 RT FLOATING SPean� v.i.'v� oiiCn � iNa„o s�a�e� TURBIDITY SEE oET^�� 5 SKETCH OF BRIDGE IN RELATIONSHIP TO PAVEMENT CURTAW � �.oi � ° �Fm wiTc Ground 3;� F�re� slope D W4 Min. D= 1.0 Ft. MECHANIZED CLEARWG IN WETLANDS =<0.01 Ac /87 SF FILL IN WETLANDS = 0.0 Ac /0 SF Faorn -�- srn. zs+so ro srn. z�+so �r EXCAVATION IN WETLAND = <0.01 Ac /101 SF FRorn -�- srn.2t+ea ro STn. 2a+oo Rr FROM -L- STA. 25+00 TO STA. 27+14 RT DETAIL 5 DETAR � DETAIL 2 $PECIAL LATERAL 'V' DITCH VAR. WIDTH SPECIAL LATERAL BASE DITCH SPECIAL LP,TERAL'V' DITCH i H��o s�oiai i�+o� �a s�oiai i No� �o s�oiei 3.� 3'� �, � s�o � \°� �� F'�II Gr�u�d � F�O`�e' o� Naiural � °� - Fill Ground 3.� p F�o��e� Slope ceOld11c B Grou�d 3.� D F��e� slope / . M'in.D. i.0 �0 0.0 F�. /��% Mo.. d= .0 H. � ' M'in. D 0.5 Ft. 7ype ofLiner= Class'B' R'ip-Rap B- �.0 �a 6.0 F. r Min. D= 2.0 Fi. FROM -DRVI- STA. 11+56.59 TO STA. 71+93.90 RT FROn� -L- STA.18+I5 TO STA. 19+00 LT FROM -L- STA. 17 �-50 TO STA. 18-75 LT . . . . . . _ . .. . ..�_ . . . . . . . . . . . - .._i._._ -__._._._ ._ �_. ._ ____ _--- L_ . i i i. i i i i i. i i i i i i i i i i i i i i i i i i i i i ��.._ . �. _. �.. . �. �. . . . -I .. ._ _.. .__-_ .-- . - � �.� . . . . . . . I . . . . I . . . . . i. i. I . . i. 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FILL W WETLANDS = 0.02 Ac/713 SP C�1 Sta. 19+50 to Sta. 21+70 ti' � m� EXCAVATION IN WETLAND = 0.0 Ac /0 SF 0.� o�'� U' vqa. wioiH -BEG/�� / END SAFE7Y FENCE SPEGIAL LAT. -L- S7A19+00 (RTl PHILLIP HARP'i:... BASE DITCH � 1- �� B i522 PG 56r. 5EE DETAIL i �.y: � � \ Y � � � � 0 � � 1� � � y, � �: � � � :� �, _ \ � � .. _ _ - � � � � � � � , � � ` �+�"- \ $PECIAL LAT.'V' DITCH� G ...... �� . . . . �- SEE �ETAIL 2 BEGIN PROJECT STA I7 + 75 � � � 4EGlN / END SAFETY FENCE -L- 57A,17+70 lLil LEGENO � DENOTES MECHANIZED CLEARING � DENOTES FILL IN W ETLAN D � DENOTES EXCAVATION IN WETLAND W3 MECHANIZED CLEARING IN WETLANDS = 0.0 Ac /0 SF FILL IN WETLANDS = 0.0 Ac /0 SF EXCAVATION IN WETLAND = 0.0 Ac /0 SF 40 30 20 10 � ' � 1 i � � ,. � �, � � , � _ �� .., - ;��tl1=�CFWr��F 'm � `� nw�ruu,. ., SP�CIAL DITCH � � i� ��,.%' i'� '_' � ,� 1 / � � � / �e, � � � / ' i/ '�` ' � � i � �� I M PAC TS I p� N T B NC1ei9ense�NohoCai55a�aSZ�609200 �% BEGIk / END SAF�7Y FENCE -L- STA25+50 lPU SPECIAL LAT.'V DITCH SEE DETAIL 3 w,_ MECHANIZED CLEARING W WETLANDS = 0.0 Ac /0 SF FILL IN WETLANDS = 0.0 Ac /0 SF EXCAVATION IN WETLAND = 0.0 Ac /0 SF E � E � -- _�� 7 \� PROIECT REFERENCE NO. 176P.2.R.70 WW SHEET NO. ROADWAY DESIGN ENGINEER SHEET NO. 4 HYDRAUUCS ENGINEER DOCUMENT NOT CONSIDERED FINAL UNLESS ALL SIGNATURES COMPLETED / �' ' � � • •. . � � � � � �� - .. . ., . - ��.m .�.�m�� oo��o��o��o��mm�m�m�oo�moom�oom��mi ��m . ��mmm�oo�m�m�mm�mm�m . : . . om - .........:::::::::::::::::::::::::: �:�::..d�:::.9:�:��:�:�:� �.d:�l . • , • ioo nn. � r �r- ammB ; •.� ��m m ��■ om ou0000u • �� ■ ��■ �� M- l.,��_ . ououoou ----------------------------------------------- �� a i o�o�omu oomo�omo�omo�oo�oo�muo�m ��m o �� - - iiiiiiiiiiiiii om�iioiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii li � �-�a �o��o��■ �o��o��o�� i � , � a �u�u�uu�u��u� ��■ �� il �o�oom�� ■ ��o��o�� omoomm i ou0000u �000u�000000000��mm i � i�0000uoo��G oo�00000■ �00000000000000� i i immoom� m ioou0000u �000u0000u0000� i I��m�A��m�R�� . : • 11 � �� ■ . . ��1. �� e � �� ■■■■ ' ' " """"":■■":::: ::■'::::■ a �� "'::::: :■'::::: : :■: : :■: : Y��YVY��Y�Y��Y�Y ' 1 � �� Y� ' � �� . �YO��B��Y �� i a � oom�m�m :� �� ;�� i�i �� m��um�u�� / ■ mououoom�o ��oo 000000000� . o000000�uu�muoo�� oom�� o0 00000�uo��o • ��m000u� m � �/% u �o0�.��5 .... � , . ..................� , m............. ... �, m�oo�s�� • ' �� : � ' ��n � m�� ■ � ^ n� �ea��o ... . � ..."�:�: . � _oo_._�a ... .............. � � .. ................. o�� ii . � . � . ��o ■��u��or2r�rn � • - ' - - - �' _ _ _ .-_-��. - - �� mo�ouu��a�r o a�o�, - .� - ��0�0�� T =`— i�� ,,.. s :�.•'• .. • , � I.. 06C � � �� .• i..ei : . � k ■ / � : i - iii ,, • ,.,. • • ��.:..... � ...... i - , . , .......... I � � / / ' � / � � ' I ' � iiiiiiiii � " � 1I/I 111 iiiiiiiii -. � I I II �� 1/ • / / • � ■ iiiiiiiii � I •� � I I I �� p000000 �� I / I / / �� E ............. � �� ' / �� ■ o�� ' I 1I �� •11 1I / tl ��i��C��i�� •� ` / •/ f/ iiiiiiiiiiiuiiiiiiuiii�iiuiiiiiiuiiiiiiiiiiiiiiuiiiiii� � / ' / " / // �� :::� ::::::::::::::::::::':::::::::C::::::::�:::::::::::::::: . - �-- - � .. .........................C................................... � C� ......� , . ,.. . , :::::::� ::::::::::::::::::::�:::::::::�::::::::�:::::::::::::::: m�A o��m oo�ou000�000��oo o�000 �oo�ou000�000�� oi�is��m o00000000000000000000000000000�0� �o i0u� � o iouoiio��uoii�o �u i�u�u�� u�u��u uiiiuiiiiiiuiuiiiuiuiiiuiuiiiuiuiiiuiiuiiuiuiiiui�i�i�i� '�..� : : :� : : :�� : :� ::. :: ::.�:: :::::::C .:::::: :::::::::.C::::::: ::::::: ::.CC.: ::::::: ::::::.C::::::: ::::::: :� m�oomommomo�omm��o 0000000000000000� o000000000000000000� o00000000 ��o��o��o��o��o�� I� I I I ��■��i��i�� AnAM�MA��AH��A��M ��■�� s��o��m�m�m��o�a��m�s��o ��■��■��■��■ m�p��m�n��m��p��n��Y�� , � , � ��■��■��■��■ ��u ��== ■ �� • �� . �� -i ---- �� i� �� i� � i� � EIVD SPECIAL � � LAT. "V' �ITCH I� �, i, , � �i � �, �l = 7t50.QQ � � � � � I _L 1 - 2�--- -�-- �� -_� __ _ �, = ---� - - --- � - � - � - - - - -'�- - - -- � -- 4 � - � -__ - -: - � - D RV 1 - __^��; _, � ��E � � I DRVI SiA 70 i 15.)2 "'� f.; 12+15.0 ELEV 34 30 ELEV 31.00 I� � �� - � � � � I �- . ... : PI = 11+45.00 PI = 11+95.0 EL = 33.89' EL = 30.80' ) VC = 60' VC = 40' __._ K - �� _ K _ 5 - 0.3160 % �-12.00OQ% ( )6.7� � 9j/-- o y " � BEGIN SPECIAL � � LAT.'V' DITCN (RTJ 'f -10_.75000ii+i1 fl00, _ + � .- - - : EI = 32.68 "'sD END SP�CIAL � Pl = lI-F44.20 - i LAT.'V' DITCH (RT) - l:= 4 0 � l= 1/+ : Pl = //+5659 EI = 283/ i ! = 8. 0 10+00 11+00 12+00 40 � 30 20 Bz Place Mattin for Erosion COIItfOI / � gUFFER IMPACTS �INTB HNTB NORTH CAROLINA, P.C. PROIECTREFERENCENO. SHEETNO. 9 � aaa e. six Forks aoaa, s�ite zoo UBp.2.RJ0 4 ZONE 1 BUFFER IMPACTS = 999 SF � Ofl $�O 2 OS WOiIC AIIOWS. Raleigh, North carolina z�sos p /'� NC LiCense No: C-1554 WW SHEETNO. ZONE 2 BUFFER IMPACTS = 1567 S ti / ti ((� / � � N Sta.19+50 t0 Stq.2�+70 0'�' ,��` 0 1/�,� ROADWAYDESIGN HYDRAUUCS CLASS 'B' RIP-RAP � 0 � N '\' ENGINEER ENGINEER O EST.15 TONS / � E5T.25 SYGf VAR. WIDTH BEGIN / END SAFETY FENCE $PECIAL LAT. -L- S7A19+00 (RTI / � g� BE�IN / EPJD SAF�EiY FENCE ':�-5- " BASE DITCH � 1 L- S7A'LS+SO lR71 \ oe �szz Pc ? ; � � � � � Y � � . � �5 � ZONE 1 BUFFER IMPACTS = 1882 SF SEECDETAILT3 V' DITCH \ SEE DETAIL 7 �y � 4 � 1 /' . � � � � � � � � � � - / / ZONE 2 BUFFER IMPACTS = 1192 SF � ' ', � I � �- _ � � � , � 1 �� e� � %/� ROP,. CONC. � � j// \ � � -. _' _y _� -_-_ - /j jj LUfY1E �5 ///// : , � � DOCUMENT NOT CONSIDERED FINAL � C _ . / //// . . . . � E F . E � �� C UNLESS ALL SIGNATURES COMPLETED $PECIAL LAT.'V' DITCH .� � �� . /�. G. �. .. . ..�� . . . -- ~-_�- , � .,. RE / � . _ _ _ _ . _ OVE _ SEE �ETAIL 2 - - . �- -- � - - -- �� - . BEGIN PROJECT G ' ��/ , _ - - - -� - - F - _ _ � - - , i �- 17BP.2.R.77+0 � cFwr�---NF�cFv� � `' `` � � � - _ _ - - - - n p �' � - - - - ��- REMOV � -L- l �l ' _ _ TIE O � ` � ` � l F ..:,,, .;� .- : „ .- 11 - �- -�. . j� ; P. E �[ ).. . � .. E --1-ae"- --- E- . .. -::.�: � STA 17 + 75.00 - � ; �, mti w �� _ �_ "-�J = � E c END PRO ECT 17BP.2.RJ0 `�" N f P�CIAL LA � �� SPECIAL LAT.'V' DITCH Q' ^ TIE TO EX. �7 1 � mN � " l'� N ,, $ v v � DITCH i SEE DETAIL 3 -L- POT STA Z/ +2S.00 . F . � y � DETAIL 4 O / _\ rmorNv r, 4 DETAIL 4 DETAIL 6 �ti � DITCH SE � / � � - _ _ SPECIAL LATERAL 'V' DITCH SPECIAL LATFRAL 'v' DITCH � D� f-1 " g/' my m CLASS B' RIP-RAP I I orro s�airy I�� s��=� Q � � / �� EST.1 TONS O I O �F �� EST.S SYGF ' l ` r . +. � SPECIAL LAT.'V' � ZkFf'E JONGS Noi�,a ..!.-. ♦° �siloae c�o��d a:! p E�da so a BEGIN / END SAFE7Y FENCE DITCH SEE DETAll6 SPECIAL LAT.'V' DITCH ��+_" F3.(DOUGL<S 06 i�t'f PG 2n5 c�o��d �qR p F�oa` . -L- S7A.17+70 2T1 l SEE DETAIL 3 -- --F�9 � 41 X�O X 3 00°•��- Min.D= 0.5 F�. BE�IN / END SAFE7Y FENCE' m��. o= as r+. *rPa � F ��e�-G ia ro�s, a�s� x�o-rtap Ma.. d= as H. -�- sra22+5ircn +' �p 4.1 DETAIL 3 �ea�e.��e - zo.v SPECIAL LATERAL 'V' DITCH FROM -DRV7- STA, 10 I� 95.25 TO STA. 11 +44.20 RT FROM -�RVI- STA. 11+44.70 TO STA. 71 -56.59 RT FLOATWG SPECIAL LAT.'V' DITCH � �Na++o s�aie� TURs�o�rv SEEDETAILS SKETCH OF BRIDGE IN RELATIONSHIP TO PAVEMENT CURTAIN w.oi � °` �F_n wiTc Ground 3;� F�re� slope D B3 64 CLA55 'B' RIP-RAP ZONE 1 BUFFER IMPACTS = 90 SF ZONE 1 BUFFER IMPACTS = 558 SF Esr.s TONs M��.o= �.o Ft. ZONE 2 BUFFER IMPACTS = 0 SF ZONE 2 BUFFER IMPACTS = 1082 SF EST. io sv�F FROM -L- STA. 25+50 TO STA. 27+50 LT FROM -L- STA.21+90 TO STA. 24+00 RT FROM -L- STA. 25+00 TO STA. 27+14 RT DETAIL 5 DETAIL 1 DETAIL 2 LEGENO $PECIAL LATERAL 'V' DITCH VAF. W�DTH SPECIAL LATER.4L BASE DITCH SPECIAL LP,TERAL'V' DITCH � ALLOWABIE IMPACTS ZONE 1 IHoims�oiel INo�ies�oiel �No��o s�oie� 3.� 3'� �, � sio ALLOWABLE IMPACTS ZONE 2 Nm".oi � �.�°` .. .F',il Gr��a d o F�°"e o= Na1iro � ^,.,°� `F_i �� Ground 3.� p F�o+�e� Slopc ceOIeA11c B Grou�d 3.� D F� �e� slope / . M'in. D� i.0 �0 0.0 F�. /� �j Mo.. d= .0 H. � ' M'in. D 0.5 Ft. 7ype ofLiner= Class'B' R'ip-Rap B- �.0 �a 6.0 F. r Min. D= 2.0 Fi. FROM -DRVI- STA. 11+56.59 TO STA. 71+93.90 RT FROn� -L- STA.18+I5 TO STA. 19+00 LT FROM -L- STA. 17 �-50 TO STA. 18-75 LT . . . . . . _ .. _ . . .. . . _ . . . . . . . _ . .. . ..�_ . . . . . . . . . . . i i i . ___i .__.- . ..__ __.__.._.- ________.._i._._ -__._._._ ._ �_. ._ ____ _--- L_ . i i i. i i i i i. i i i i i i i i i i i i i i i. ....... ........ .. . ... _.._. ._.-_ ._ --_._ 1 iiii I. I ................ ........ . � .._. ...... ..... I . I . . . i. i. . i.ii. i.ii. . . . _ . . . . i.l . I.. . . . _.-_ _ . . . . . . . . . _ . . . . . ._ _ _- � . __. - _._ --. . ._ MA7ERIAL TO BE REMOVEO � � � - � . .. . . . . . . . . . . . -�_ . . .' . . . . . . . . .. � � � � � � � � __ ._ _ I ___ �� iii i�i iii i ii i iii ii i �, J . L - . . . . � . . _ . ., - .. _ .. -�� ' _- _ . _- _- - _ _ . . r. . .. . . . �, ,. , '��.., �� i'� � � i .� �i .� � ,�,� �,�i � i i��, ,.� i�i i'�� i�i i,, i� i i BEGW RADE -- -- ---- _ _. _ - L--- -�- - 6 STA- : 7+75.�0 �%��- nl�r� - - . - - � -- - �i i. �i i ��. i i �i i �i i i ,. �_ ,i i i �i. �i. i : i i �i i i �i �i . . . . . � ��__ i ._ -.�_ -� / . ..__ � 1 � . i il i i i i i i .. I i i- EV`- �34_3T: -- ; _`_ __ �___ � - � i,_ _, i � END GRADE � � � � � i i i � � � �� i � � - i � i � ii �.i i i i i i i i �i �� -- ---: i- :-:-:_� � _�--:: --.�:_ � _:-_ i -:�:- :-.-i:.-- -: �i i �._ .. . . . . i ::�- :-:- �. � L -_ ELE�/.-=,- z36.20.D0 � �, ,. � .- ��. i i i �. �ii ��. ��. i ��. i i i i . ... ... . -.._ _ �. i �.i i �. ��. i�i i � . _ . _ _ _-_ _. ��, i i, �� i �� i, �� i � i, �� i � i, � -- ---- - --_._ ___ �. __ . i _ � . . . ------. _ .______ ___. __.- _._ . _ . . . . . . i i �� i �i i i �� i i i �i i � �i, i �i �i i __.- � .__ l:�_ �. .__ � i � :--_ r _ ... . . . . _ . .. . . . . . _ __ PI = 18+65.00 _ i ,- PI = 20+45.00 - PI - 23+35.00 i _ i -- , - _ . , i i i � i i - EL = 34.04' - r _ - EL = 4.2 - - - - , i EL - 35.56' - - -- �r �. 'i i i ��. �i i i i �i i. � �� VC = 180' -� i. i. _-� �_ VC - 180' i��- - i i. VC = 3180' - i _-: i- � i�i. _ ��i. i i� ii i. �i. i�,�� ii i i _ � � � �� '� ' � � �� ' � � - K = 157 � � : �_ K= 137 _-. �_- WS EL.- 23.r ,� K= 183 � � � �_�. - � � �-- = CHf � '� - - � � � � � � �� I� � - V = 65 MPH -� V = 58 MPH '- - _ i �-- --- LAA.'V' D/I - 34.25 ' - L ��lT .,V ,2� �-�-- ' ' 4� i ' su�vEr o5-lo-i6 I V 70 MPH 40 � _ - - � ', , - '- - a� . __� __ ,_ � � _ � - � - _ - -� -- , : �_ - _ - � - - �o i _ - �- ,-, -- _. - � _� l _ � - _ � _ ' � '- , __ , _ - _ � f=m �zo _r . - :� ��-__ _ ;+_ _ -- . - = - _ __ . '_ o-= - ._ � � �J ---- - 1 . - ' � -fftt4699% -. � _ G __ , _ ---� _ -: _ -- -- - - �93Q00_/� (�jfhS46410- ..- - - - _ _ - . : : - 30 _ __ __ _ -- _= ---� __-_ - _ ___ - ---� - - --- - I --� - �- ' I - - - - ---,..�.._.._ _ L�= _ � � � � . . . � --t�o� ;---- _ _ . _ _ � _ _ - - - y � ' � r._ T � _____. . . r {�.. . � . � -- , � , T 3 0 i BEGIN SPECIAC � � � r+ o.00 i � .� , , � BEGiN , SPECIAL , � , _ _ - - - - - - - , CAT."V' IT H f TI ( , i I i ---- - P �+)Ib524� _ G PI = 17+50.00 a � � �, LAT.'V' DITC { fRTJ �_� � D R V ■ 20 El = 32.04 � � � w� ? + I E'l = 3�.�0 �� 20 �.______; END SPEC. ^� �ar.•voircH rcr� � BRIOGE HYDRAULIC DATA � � : ' ''E Z LAT.'V'DlTCN (RTl AT."V"DIT H(LTl i - _w v> _ -� •� �f.; 72+15.0 BEGIN VAR.WIOTH � r - m� � END/SP�9� BEGIN SPE�I� � _�Rvi si;a-�o � t�:;2 "" P i DESIGN DISCHARGE 700 CFS ; ELEV 34 30 ELEV 31.00 ; 1 O PI = I8+75.00 �.: �_. DESIGN FREQUENCY = 25 YRS w � ' �' EI 3/39 � � 1 O i � � _ j EI = 30.42 DESIGN HW ELEVATION = 3/A FT m� ' ' _ � : I �- _ _ __ _ j END VAR.WIDTH. `.�I -, _� ' : PI = 11+45.00 PI = 11+95.0 , BASE DISCHARGE _ 1100 CFS ' - + i � � El _ 30.42 BASE HW ELEVATION 32.24 FT ' EL = 33.89' EL = 30.80' j PEC�9A00.00 E ICTH ( T) BASE FREOUENCY l00 YRS �AT.�V' DITCH fRTI � - �._ 0 40 vc = bo� : vc = 40� 40 � _ ��___�._�_._. __ _ �_. { ' . __._- K = 10 _.._ K _ 5 , � OVERTOPPING DISCHARGE -�1500f+) CFS � E/ - 26.37 � i : - -- OVERTOPPING FREOUENCY= �500f+1 YRS i ' ` - 0.3160 % �-12.00Op7 I : � :_:_ i J ' OVERTOPPING ELEVATION = 34.56 FT : � . -, (:J6,7�9jo : -- - � � - - -' , ' � ' -. - _, : I- 30 BEGIN SPECIAL ' - - - J -. � 30 - LAT.'V' DITCN (RTJ 'f -10_.75000ii+i1 fl00, c' � � � DATE OF SURVEY = 05-10-16 = _ -- - , + � � , , , W.S.ELEVATION - � 2.68 {44.20 - i LA�'V' DITCH fRT) E/ �'"'sD � '' - ' AT DATE OF SURVEY = 23J FT I` 20 I= l, 0 ! l= Il+ 20 - - - - -- -- ___ ._- � �� _�__ _.- - .-, _- .-, __,_ . ____ _� ___ _.___ __ ___.__ _____r_____ _______ __ __ c -_ ___ , ' � P/ = //+5659 EI = 28.3/ �, �o ! = 8. 0 ` �, -. 17+00 18+00 19+00 20+00 21+00 22+00 23+00 24+00 25+00 26+00 10+00 11+00 12+00 Bz Place Mattin for Erosion COIItfOI / � gUFFER IMPACTS �INTB HNTB NORTH CAROLINA, P.C. PROIECTREFERENCENO. SHEETNO. 9 � aaa e. six Forks aoaa, s�ite zoo UBp.2.RJ0 4 - ZONE 1 BUFFER IMPACTS = 999 SF � Ofl $�O 2 OS WOiIC AIIOWS. Raleigh, North carolina z�sos ZONE 2 BUFFER IMPACTS = 1567 S p ti � (n rv c � i c e n s e N o: c- i s a a WW SHEET NO. N Sta.19+50 t0 Stq.2�+70 0'�� ,��` 0ti /�� ROADWAYDESIGN HYDRAUUCS GLA55 'B' RIP-RAP /,.' 0 � \ V `�__,J ENGINEER ENGINEER O EST.15 TONS EST.25 SYGF VAR.WIDTH BEGIN / END SAFE7Y FENCE $PECIAL LAT. -L- S7A19+00 (RTI g� BEGIN / EPJD SAF"EiY FENCE AHILL�P HARD�N;: gqSE DITCH 1- � . 1 � L- S!AZ$+SO lR71 � �B i522 PG 566 � ' � see oeTna i a"� �� Y� " k �'`' ' ZONE 1 BUFFER IMPACTS = 1882 SF SPECIAL L4T.'V' DITCH � � � � � � � � � � � �� e � � ZONE 2 BUFFER IMPACTS = 1192 SF seeoernaa � � � � � ' I � - � , 1 �� ..._ 1- � � � � � e� r ��1�` \ t -_. ' _ _ - � - _ - _ _ f/ ROP �CONC. //// � _ t // jj wMe �5 � , � //// � � i - -- DOCUMENT NOT CONSIDERED FINAL � �' � � , C _ . . . . / //// . .. . . , . / E F E C �y� � C . . UNLESS ALL SIGNATURES COMPLETED $PECIAL LAT.'V' DITCH i � . � .. /� � G ' ��-� � _ _ . - - - � �- � - '__ - - SEE �ETAIL 2 G �� ''�_---? --F _-.- S\� i- . _ .. _- . .. . . ..., , :; . - . BEGIN PROJECT Rf��' E 17BP.2.R.70 F =-cFw.�-IH-�IF--cFv� � u `` ' � � - _ - - - - � REMOV -L- POT � p � TIE O F . . . . � J. F . . _ ... . _ 11 - j� � � , a. E \ `-'�E---{a„-- --- � E_ ,., O STA 17 + 75.00 � ��' � � / ti w i,� _ '- - " �\ \ = � E , � END PRO ECT 17BP.2.RJ0 `�" � `O ' %-� TIE TO EX. SPECIAL LAT. V DITCH Q' m" � g`�""` `" "� o�T�H -L- POT STA 27+25.00 � .. . /' l �� ~ CLASS ,B' RIP-pqP �yDETAIL 4 :�..:; / . - SEE DETAIL 3 � � TiuorNv rc � � y mN � . O � DETAIL 4 DETAIL 6 �� OffCH SE . / Q3 � . � ^ m f . i� . . SPECIAL LATERAL 'V' DITCH SPECIAL LATERAI 'v' DITCH �Nor�o s�airy INoim s�oe� O BEGIN / END SAFE7Y FENCE `�� SPECAL LAT�'V' :� SPECIAL LAT.'V'DITCH .:.dOT:.+" R.DOuO �� DBE�F77 PO`- �'^�^d �qq ...�._. F�oa� �s.�o Na{u�e 3`�g` `s°P° �� i EST 1 TONS � � / No�ura IIP cro�^G r'�.) E�o DITCH SEE DETAIL 6. ��59 I p � -L- S7A.17+70 2T1 f 4� X�� X 3 SEE DETAIL 3 '=- - e 'a �� M'n. D 0.5 F�. BEGIN / END SAFE7Y FENCE� mm. o= as r+. *r F< <•• � ar a�sip�oyrtap a.. a- as r+. - -L- SrA22+5/2T1 � �p 4.1 DETAIL 3 _..i SPECIAL LATERAL'V' DITCH FROM -DRV7- STA, 101�95.25 TO STA.11+44.20 RT FROM �RVI- STA 11+44.70 TO STA 71-56.59 RT � ' -�� FLOATWG SPECIAL LAT.'V' DITCH J �Na++o s�aie� TURBIDITY SEE DETAIL 5 SKETCH OF BRIDGE IN RELATIONSHIP TO PAVEMENT CURTAIN I � � �.oi � ° �Fm wiTc Ground 3;� F�re� slope D B3 64 CLA55 'B' RIP-RAP ZONE 1 BUFFER IMPACTS = 90 SF ZONE 1 BUFFER IMPACTS = 558 SF Esr.s TONs M��.o= �.o Ft. ZONE 2 BUFFER IMPACTS = 0 SF ZONE 2 BUFFER IMPACTS = 1082 SF EST. io sv�F FROM -L- STA. 25+50 TO STA. 27+50 LT FROM -L- STA.21+90 TO STA. 24+00 RT FROM -L- STA. 25+00 TO STA. 27+14 RT DETAIL 5 DETAIL 1 DETAIL 2 LEGENO $PECIAL LATERAL 'V' DITCH VAF. W�DTH SPECIAL LATER.4L BASE DITCH SPECIAL LATERAL'V' DITCH � ALLOWABIE IMPACTS ZONE 1 IHo�ms�oiel INo�ies�oiel �No��o s�oie� 3.� 3'� �, � sio ALLOWABLE IMPACTS ZONE 2 � �- Nm�.oi � �.�°` .� .F',il G,��a d o F�°"e o= Na1uro � 3.,°� -F_i �� Gro�nd 3.� p F�o+�e� Slope ceOIeA11c B Grou�d 3.� D F� �e� slope / � . M'in.D. i.0 �0 0.0 F�. /��% . Mo.. d= .0 H. � ' 'i � M'in. D 0.5 Ft. 7ype ofLiner= Class'B' R'ip-Rap B- �.0 �a 6.0 F. r Min. D= 2.0 Fi. . �� FROM -DRVI- STA.11+56.59 TO STA.71+93.90 RT FROM -L- STA.18+]5 TO STn.19+00 LT FROM -L- STA.17-50 TO STA.18-75 LT i �; _ . . . . . . . . ,. .__ ' - ._ . . . . . _. �.. __ .. . . . _ . ... ..�. . . . . . . , i, iii iiii.iiii iiiii ii iii.iiii i.iiii ii iiii ii iiiiii. iii. ii iii. ii i. iiiiii i i ... . . . . . . . . . . . . . . _. __._. i_ ___._.__ i..- � i i i .__ . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . _ ____ _ . . . . . . . _ . __._._._ . . . . . . . _ . . . . . . . . . ._ ____ _---_I ._ . . . . . . . . . . . . . i � I � i . . . . _.__ __ . . . . . . . . . . . : . . . . . i ___ __. . ._ _ _-_. . ., MA7ERIAL TO BE.REMOVEO .. . �. - � ... - . .' .. ... ... .. .. .. � .... _ _ �� _ ..__ �� i�i i i i i i i i i i i i i i i . . �. . -. . .. . �� . . J ' _ - _ _ _. _ i _._ -�- _- ____ - � _ . ..r. .. .. - �, ,. , �� i,� � �, � � ,� � ,�,� �,� �. .i i��, ,.� i�i i'�� i�i i,, i� i i BEGW RADE -- -- ---- - --- .. . . _ . . - .- 6EV�-A �_3T.�0 ' i .... X�lI�I�,_--(�-�' � � � . _ i -- - � I I i. �� i ��. ii i i� ii i i �. i �i i ii �i. �i. i : i � i �i � � .. L 1 _ - T _._._ , `__ �::- � :::-- � -� -_ ' ��, ,� _.,, �, �- .._. � .e-__ i � ' I - � ��, i i . i ' i __ _ i i i i END GRADE 'I - _: -: �- i i__ L S A 27+25.D0 ' I r I I i i ��. i'i. �i �i ��. i i �i. � - ._:- __.J_ _.. _ __-_ ..... i .._. . �_. _.___ -:.i i _. .I__._ _- . L__ - -� .- ��i. �i i i i i �.�i. �i �� i i �i i �. i i �i �i �i i �� -�. �,� �- i i i i i i i i � �� - i ____ i ___._ _ .-._ � ._._ __i ._ _..i..- . . ._ . . . . . . . . . . . . . . . . . . i __._ -__ . i ELEV.- - 36:20�. .- . - , � � � , � � � � _ .__ _ '�� i i i _ _____ ��,i i,�� i�� i,�� i� i,�� i� i, � -- -_.___ - --_._ ___ �. __ �. i _ � . . ------. _ .______ ___. __.- _._ . _ . . . . . . i i �� i �i i i �� i i i �i i � �i, i �i �i i __.- � .__ . l:�_ �. .__ � i � :--_ r _ . __. __ PI = 18+65.00 _ i ,- PI = 20+45.00 - PI - 23+35.00 i i -- , - _ . , i i i � i i - EL = 34.04' - r _ - EL = 4.2 - - - - , i EL - 35.56' - - -- �r �. 'i i i ��. �i i i i �i i. � �� VC = 180' -� i. i. _-� �_ VC - 180' i��- - i i. VC = 3180' - i _-: _- i- � i�i. _ ��i. i i� ii i. �i. i�,�� ii i i _ � � � �� '� ' � � �� ' � � - K = 157 � � : �_ K= 137 _-. �_- WS EL.- 23.r ,� K= 183 � � � �_�. - � � �-- = CHf � '� - - � � � � � � �� I� � - V = 65 MPH -� V = 58 MPH '- - _ i �-- --- LAA.'V' D/I - 34.25 ' - L ��lT .,V ,2� �-�-- ' ' 4� i ' su�vEr o5-lo-i6 I V 70 MPH 40 � _ - - � ', , - '- - a� . __� __ ,_ � � _ � - � - _ - -� -- , : �_ - _ - � - - �o i _ - �- ,-, -- _. - � _� l _ � - _ � _ ' � '- , __ , _ - _ � f=m �zo _r . - :� ��-__ _ ;+_ _ -- . - = - _ __ . '_ o-= - ._ � � �J ---- - 1 . - ' � -fftt4699% -. � _ G __ , _ ---� _ -: _ -- -- - - �93Q00_/� (�jfhS46410- ..- - - - _ _ - . : : - 30 _ __ __ _ -- _= ---� __-_ - _ ___ - ---� - - --- - I --� - �- ' I - - - - ---,..�.._.._ _ L�= _ � � � � . . . � --t�o� ;---- _ _ . _ _ � _ _ - - - y � ' � r._ T � _____. . . r {�.. . � . � -- , � , T 3 0 i BEGIN SPECIAC � � � r+ o.00 i � .� , , � BEGiN , SPECIAL , � , _ _ - - - - - - - , CAT."V' IT H f TI ( , i I i ---- - P �+)Ib524� _ G PI = 17+50.00 a � � �, LAT.'V' DITC { fRTJ �_� � D R V ■ 20 El = 32.04 � � � w� ? + I E'l = 3�.�0 �� 20 �.______; END SPEC. ^� �ar.•voircH rcr� � BRIOGE HYDRAULIC DATA � � : ' ''E Z LAT.'V'DlTCN (RTl AT."V"DIT H(LTl i - _w v> _ -� •� �f.; 72+15.0 BEGIN VAR.WIOTH � r - m� � END/SP�9� BEGIN SPE�I� � _�Rvi si;a-�o � t�:;2 "" P i DESIGN DISCHARGE 700 CFS ; ELEV 34 30 ELEV 31.00 ; 1 O PI = I8+75.00 �.: �_. DESIGN FREQUENCY = 25 YRS w � ' �' EI 3/39 � � 1 O i � � _ j EI = 30.42 DESIGN HW ELEVATION = 3/A FT m� ' ' _ � : I �- _ _ __ _ j END VAR.WIDTH. `.�I -, _� ' : PI = 11+45.00 PI = 11+95.0 , BASE DISCHARGE _ 1100 CFS ' - + i � � El _ 30.42 BASE HW ELEVATION 32.24 FT ' EL = 33.89' EL = 30.80' j PEC�9A00.00 E ICTH ( T) BASE FREOUENCY l00 YRS �AT.�V' DITCH fRTI � - �._ 0 40 vc = bo� : vc = 40� 40 � _ ��___�._�_._. __ _ �_. { ' . __._- K = 10 _.._ K _ 5 , � OVERTOPPING DISCHARGE -�1500f+) CFS � E/ - 26.37 � i : - -- OVERTOPPING FREOUENCY= �500f+1 YRS i ' ` - 0.3160 % �-12.00Op7 I : � :_:_ i J ' OVERTOPPING ELEVATION = 34.56 FT : � . -, (:J6,7�9jo : -- - � � - - -' , ' � ' -. - _, : I- 30 BEGIN SPECIAL ' - - - J -. � 30 - LAT.'V' DITCN (RTJ 'f -10_.75000ii+i1 fl00, c' � � � DATE OF SURVEY = 05-10-16 = _ -- - , + � � , , , W.S.ELEVATION - � 2.68 {44.20 - i LA�'V' DITCH fRT) E/ �'"'sD � '' - ' AT DATE OF SURVEY = 23J FT I` 20 I= l, 0 ! l= Il+ 20 - - - - -- -- ___ ._- � �� _�__ _.- - .-, _- .-, __,_ . ____ _� ___ _.___ __ ___.__ _____r_____ _______ __ __ c -_ ___ , ' � P/ = //+5659 EI = 28.3/ ! = 8. 0 M i0 N iL- ..°'' 17+00 18+00 19+00 20+00 21+00 22+00 23+00 24+00 25+00 26+00 10+00 11+00 12+00 WETLAND PERMIT IMPACT 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) (ft) 1 -L- STA.19+81 TO STA. 23+30 21" CORED SLAB BRIDGE 0.02 0.00 <0.01 <0.01 0 0 0 0 0 0 TOTALS: 0.02 0.00 <0.01 <0.01 0 0 0 0 0 0 BUFFER IMPACTS SUMMARY IMPACT BUFFER SITE NO. STRUCTURE SIZE / TYPE STATION TYPE ALLOWABLE MITIGABLE REPLACEMENT (FROM/TO) ROAD PARALLEL ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 CROSSING BRIDGE IMPACT (ftZ) (ftz) (ftZ) (ft2) (ft2) (ft2) (ft2) (ftZ) 1 21" Cored Slab Bridge -L- 21+03 TO 23+17 X 3529 3841 7370 TOTAL: 3529 3841 7370 - - - Rev.Jan 2009