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MI_-------------- Source ---------------USGS QUAD _ MAP-------------------------_ c:ii .USGS URBAN REGRESSION EQUATIONS FROM SCIENTIFIC INVESTIGA710N5 REPORT 2074-5030 River Basin ____.______ CAPE FEAR PIEDMONT URBAN (IA-25% N; RVEY & HYDRAULIC DESIGN REPORT ; CULVERT SlJ -- - Character - - ---- - - - - - - - � - - - - DA. =_._2:9 SQ._MI--------------------------------------------------..__---------------------------,__---------------------- Stream Classification (Such as Trout, High Quality Water, etc.) .------_._.__---C 303-(d)-- --- --- - Z; FEMA R STUDY p S � --- -- ZONE AE VISIO H A ,^�/� __IMPERVIOS_AREA__=__250�o Data on Existing Structure ._1_ @ 20'10", TIMBER DECK ON I-BEAMS, END BENTS: TIMBER CAPS & PILES, i � CAPE FDEAR RIVERDBASIN ' HY� UOLICSN CNIT Y U1� u` - - - -- - - - -- -- --- - -- -- ---- - -- - - --- - ------- - -- - m; LEIGH, _-- - -- - -- - - ----- -- -- - -- -- - -- --- - -- - �-- -- - -- - - -- -- -- --- - CONCRETE ENCASED, TIMBER BULKHEADS. ' • - - --- ------ ---- - --- - -- - - - --- ------ - - - - -- ----- - _ _.. --- -- -- --- ---- - - - i o: --------- i 780 �i -- - - - ----- - - - --- -- ------ -- - -- - -- _...-- -...- - - -- - -- -- - -- - ----- ---- - - - --- Tota) Watenva O enin - s.f. Waterwa O enin Below 100 r WS EL. - -- 180 --- s.f. : Q HYDROLOGIC REGION_ 1.fPl_EDMONT1________ SAY FEMA_FIS_QISCHARGES_______.________________ i Debris PotentiaL• Low� Moderate❑ High❑ y p g Y Z; I.D. No.___SF-750377_____ Project No. _____..17BP,S,R,701___._,__ proj. Station .____15+74__-L-___________ - - - 0 )53 (0 0016 25� : d; _ Q74 _= 387_j2.9) �70)_ _____ 1310 cfs 7300 cfs 770 Data on Structures Up and Down Stream UPSTREAM: BRIDGE #247 ON SR 2344, 2@72'0" RC SLAB �; Count RANDOLPH__ _________ Stream __ PENWOOD BRANCH_______ .... ____ _______ Stru. No.._ 377___.__. - - - - - -- - - - - - �5 --_ - - - ; - - y --- rCONTINUOUS , END BENT: RUBBLE MASONRY INTERIOR BENT: RC POST & BEAM; DOWNSTREAM: BRIDGE #419 M: 0]903 (0.003)251 � `'---- ----�' -""--"- -Q�n--- -- 518-(2'9)-----(lOj-------=--181_0_ cfs__ 1800--cfs-------------------7403,-efs------------------------------- : p -- - ----- - - - --- - - -- -- - -- - - -- -- �; On Highway-------SR_2182_�ALLRED__ROADl---- Between ---BUSINESS_ 220---- and -----SR_ 2783-------------- . N SR 2759, 1@72' Pb CONCRETE CORED SLAB, END BENT: RC CAP ON STEEL PILES. � �; � -- ---- - -- ----- - -- ---- --- -- - - - - --- -- ---- --- - -- --- oeo36 ro.00za�zs� Period of Records WA �� Recommended Structure -9" x Q,oQ---=-- 753_j2,91- _(10)-_-----___ 2030__cfs 2000 cfs 7762, cfs WA ---------1--�-_32' ----_ 72,-0" ALUMINUM__BOX_CULVERT.-_--------------_- - --�---- -- -- - -- - - - --- - -- --- - -- -__.. - Gage Station No._ -- -- ---- - ; ---------- -- - - -- --- -- -- -- --yrs. , � --- --- - - 08160 i oi _ WITH FLARED WINGWALLS AND TOP EDGE__BEVEL____.__ -- Qsoa--=- 1045 �z'91 -- - - _ - 2490--�5 - 2500__cfs- - --� - - -.269C0_ cfs-- - - --- - -- ---- - -- - : Max. Dischar e- -- - - - wq - - - - c.f.s Date - - w'�=- - -- -- --- - Fre uenc wA ; w: - - -- - - --- -- - -- -- - -- -- -- -- - - -- - - -- 9 - - 9 Y -- - -- -------- - - i Historicpl Flood Information: �i Recommended Width ofRoadway,_40'SHOULDER_POINT_TO__SHQULDER_POINT___Skew._4$..DEGREES___ . _.. _ - - - -- - - _. .. . - - - - - � -- -- - BRIDG V E WAS NOT O ERTOPPED MAR B D BRI G � ; , Period of ' YRD NC OT D E AFTER CQMPARISON, THE USGS DISCHARGES SHOULD BE USED FOR DESIGN. ; Date___ _„___._ Elev. ______N.Est. Fre r. Source MAINTENANCE ENGINEER Knowled e__4____ rs. �: Recommended location is ,,At n�eee�-#rerrr Existin Crossin ' - � -.. . . . - - --- - -- . ._... _._.. ....... --- � q• --- Y - --- . . _.... - -- --- -- ----- -- ----- - 9 Y i m ' - -- - -- . . .- -- Period of i __. -___- - -- - -_- --_- - _ - - -- - -__ - -... ; Date �016- _ Elev._669=--ft-Est. Freq...10-__yc Source _,._.__HIGH WATER MARK _ -_ --Knowledge-.----Yrs. i LL Statewide Tier ❑ RegionalTier ❑ Sub-RegionalTier � _.__._______.____.___.___.___ ............._.___.___.______......___...__.___.__._._.._._..___ __ Allowable HW Elev. _MEET OR IMPROVE EXISTWG LOS fF. Normal Water Surface Elev. 665.2 � Bench Ma�k is ___ BMI,_N 724079 E 1766349 BL- STA. 11+20 98' RIGHT, RR SPIKE IN 20" POPLAR . . .. . - - - ----- __. -- - - • - - _ --- - - � -- - '- , - - --- --- - -- -- ---- NATIVE_MATERIAL_CONSISTS__OF__MATERIAL.THAT_IS__EXCAVATED__FROM__THE STREAM BED OR Manning's n: LeftO.B. __0,127__ Channel__0_052 RightO.B. _Q���� Obtained From FIELD STUDY __________________.___.______.___.___. ._.___________ Elev. ____699.63___ft, Datum:___NAVD__88_____. -- - - ----- ------ '• di � , FENIA REDELINEATED DETAIL STUDY20NE AE; __FLOODPLAIN_ AT_THE_PR_OJECT SITE DURING CONSTRUCTION.ONLY Md.TERIALTHAT IS EXCAVATED i Flood Stud /Status ____PANEL_#_7762_EFFECTIVE DATE:UL/2008 ' z YES : a� Tem ora Crossin __NOT REQUIRED_-.TRAFFIC__MAINTAINED__VI_A_OFF-SITE_DETOUR_ _ - --------- ---- --- - - - - -- - -- ---- - -- - ---------- Y -- - -- - - - . .. - ---- -- Ploodway Established. ; m; P rY 9 -- With Without FROM__THE_STREAM__BED MAY_ BE USED_TO .LINE. THE LOW FLOW__CULVERT BARREL._RIP_RAP_MAY_ ; F�ood Study 100 yr. Discharge ___7762__ c.fs.; WS Elev.: Floodway _6�2•3__. _ft. Floodway ,.672.0 g. -- ^' I ' �� �, �i r n�� �, �, � '� ; � uiL �� � BE_USED .TO__.SUPPLEMENT NATIVE MATERIAL.IN_, THE HIGH_FLOW__ BARRELjS�, IF RIP_ RAP I5._USED___ : � 9�� �� ��- G � � �.- � �k I @Rrver $tation 706 u�'� ��i�iU� U�n���ui �� 1 ufl� kr�l�f7� ; DESIGN DATA � z "� �°���r� _�_ � r TO._ LINE THE_HIGH__FLOW CULVERT BARREL(S),_NATIVE__MATERIAL_ SHOULD BE_ PLACED_ ON__ TOP______ i H drolo ical Method .. USGS RURAL REGRESSION EQUATIONS COMPARED WITH FEMA FIS DISCHARGE = � i�� �,��sn �;�ur��,-�ex, —� '� �� "� �'� � � , --- -- - - -�-- ` �o � o : Y 9 . ___. _.__ ; � /,A I�o�u n� lrfnX.l (o1IlU`ln�il'�� ��X�ln�lVl?:��(.� - ,.... :. . . ,.,'� ..�"`.,� ...r� � g . � TO_ FILL VOIDS_AND_PROVIDE_A_FIAT_SURFACE.FOR ANIMAL.PASSAGE. NAT_IVE MATERIAL IS____._____ i H draulic Desi n Method HEC-RAS 4.7.0 PILENAME: USGSRAS.PRJ (PROPOSED PLAN: PO4) ��i� ��,,, �' �=", � y - - - - - - - - � � � - Y g -- -- -� - - i_I ial _) ; - --- ° � Design Tailwater : Q 9.1 701 9.79 10.7 ^: r�lNr�� n m�1:� l�� ` �� '� ] m $UBJECT TO_APPROVAL_BY THE__ENGINEER.AND__MAY BE_$UBJECT_TO IPERMIT_CONDITIONS.._____.__ j �o - - ff'% Qso 9'9 -ft�% Q�oo- ' ft'%�'Fernn -- �ft�%a'soo - ff' o =%�n �� �-.. ' r a � �oo ,n, .��,.� .. ,�'�' '� i �; �; M�,xu�a nn� �. � i �� m _'_. ' ' __ ' ____ ___ ___ .. . ____ _____ . .. . Inle oniro Ou C rol �yj __ ._._ ' _- __ h � Size & Type (af��.s.) Ke HWiDT C Hh I d� dc+D hotleT H nTLso Hfr Remarks o: ._.. + ' �-- -- ---- ' ---- �__.. . ---- --- --- . , . -- ---- �--- ' --- � � 2 ' Z � a . z L j � — : � ___."___ _________ _________ __'_._"._ . ° .. __"______ _________ _________ '_._"_"_ . . ________ _________ ____"".____.__._ • � Q � 1/" ' � U — rx,A: . .'sG�� L _________ _________ _________ ' '__'_""_ _._.__._. __.______' __.__"_' ' _'_""__" _..___.__ ' __'_____ ' ._.__.__.___.._ : [`•—^'I. .� _— --- y� � � � � i II . � a SEE HEC—RAS MODEL � ' ���� � �� � ; � ti � 0 a w � � U � ¢ m � � U 0 az U � � �� o� w ��w oz ��� �� z T Z _ ��� I _ - -_ -- -- - . : : ,.; : ,M - -_ - - -- > � -- - : - - a.- , -- — � � � � . � ���� Is o Floodway Revision Required2. MOA TYPE 26 Total Pro osed Waterwa O enin �83 s.f. 'k �' �t�0 � (MAX. DECREASE>0.5) P Y P 9 ------ ------ _ � , : � � '._" "__"____" ._..__._. __"__.__... . . i - 6.0 • ; : OutletVeloc�ty (V�o) ____________________________{.p.s. Natural Channel Veloc�ty (V ) 6.0 {, 5, Z "__'___"_____""_'_'____'_"_______'__""_'_' ' 10 '-'_'__'_'____"_'___'_'__ P' • �j494m8i P ! Required Outlet Protection . CLASS 11_RIP RAP__ _ � HDR�ICA ENGINEERINGUNC. QO ,,�o��H CA,Pp��9�,e�, ,_ • 5127 KINGDOM WAY, 5 ITE 7 �. . �, -- - -- - ---- -- {NFORMATION TO BE SHOWN ON PLANS ; a RALEIGNSNC 27607 + .: �FESSIp�., .� ! WS EL. Taken @ River Station 706.8 ; � Designed by: N - � '�� S 9r • � .._ . ._.. __._ ' ._. ._.__ ___' . C LICEN NO F 025 . .____ __._._.._'__. � $ • : Design: Discharge ---- 1800_-_ c.fs. Frequency--------5�_____----yc Elev. ----_---673,6_. ....-_--, ft. Z; = : q w - --- - -- ---- - -- ----- - ---- -- -- -- - - - - : AssisTed by:EML, MLM, KMS-- ---- - -- - -- -- -- - -- ' 43 • `�� i Base Flood: Discharge -----2000 c.f.s. Prequency ------- 100 yr. Elev. 674 16--____-._. {{. i � � •� •• N �;� .+~5'/�(I(� �� � _ - - --- - ' : o Projed Engineer : _ TRENTON J. CORMIER, PE � , •• 61 N ; � Q„���� - - - - -- - - -- - - --- - - - - -- - -- - - ----- - - - ...- --- - -- ---- -- - - - - - -- -- Overto in Dischar e --2800 ; - -�---- -- --- -- - - /-- - ----- : pP 9� 9 - - -------- c.fs. Frequency----,--500- +-------Yr. Elev. ------- 677.1 ' °' ..,�, • • - - --- -- ----fr- � %�� ����ON GO��, � Reviewed hy: - - --- - --- - --- �= "'"" '`--- - Date ------ ------- -- �4�u�a�� - -- ------- ��l��/fo