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ML C1UAD MAP PINEBLUFF AND SELECTED SITES a: CULVERT SURVEY & HYDRAULIC DESIGN REPORT t Drainage Area ..-•------------------•----------•---- Source •-----..................._.._..............._...._.._..•--- -•- ' ' ot D.A. = 32.5 SQ. ML (100% REGION 3- SANDHILLS) ; River Basin LUMBER URBAN REGION 3(SANDHILLS) ..--•••-----•------•-----• . ................... --- Character � VV'" DEVELOPED LAND = 41.3% -•---••------•-----------• ..................................•--•------•-------- ; ; �; N. C. DEPARTMENT OF TRANSPORTATION � C; INDEX NO. 14-2-11-(6) _____________________________________________ ; Stream Classification (Such as Trout, High Quality Water, etc.) __.._._..____..__......_......_..___._____._._.... : `"� DIVISION OF HIGHWAYS ; 1 23'-3", 1@ 28'-0" TIMBER DECK ON I-BEAMS; MASS CONCREfE VERTICAL ; w; HYDRAULIC$ UNIT ; Data on Existing Structure ._A@�1M�.rl?S:Mf�S&..�ONG[�?E.1L�lIER1QR.@�N7 ......................................... : v� RALEIGH, N. C. ............................URBAN SAND HILLS-"•""'..__._._......................_FFFFCTNF_FFMA I�ISC'HARC;PS ; TotalWaterway Opening.----293-----s.f. Waterway Opening Below 100yc WS EL.---•-293----$.f. ; Z; -•-•-------------• . � SIR 2074-5030 t Debris PotentiaL Low❑ Moderate� High� SCOUR STUDY REPORTS MINOR DEBRIS PROBLEM � o: I.D. No.__._ �5758_._ Pro'ect No. 45714.1.1 14+75 -L- •---•-••--••----••---•----•--•------•--: -- • ........... ...........•••• ----•• --•----•---•--•----•---•--------•---.._.._.__....._ ' --- � ...............•--••-----•••--•-• Proj. $tation ....._......----....--••.-•---•- o.eaos o.msz o�vR�coos ' ' ' ; UPSTREAM: 2@50'-0", 1@35'-0" CORED $LAB AT SR 1105 PINE W� Uz= 30.0 (DRNAREA) (10) = 953 CFS (SAY 950 CFS) � Data on $tructures Up and Down Stream , �-••----• ; Q� County MOORE ABERDEEN CREEK 013 ............................•----•--._._.--•-•-•---....._._......-- ----•---•-•-----••---•---.. tream ---------------------------•----------------•------•....... tru. o....•---••--• ...................•-•--••---•----..._...._....._..........._._._._..--------�•------•------•--•--•------------•-----.._..--•--... ; � 0.6535 0.0109'DEVNLC�06 ; BWFF LAKE ROAD) MOORE #620016 /DOWNSTREAM: CSX TRANSPORTATION RAILROAD TRESTLE , m� --•---....--•-• ..............•-•••-------...._......_...._........._......_..................---......._.._..._..------._._..._.. • �n1 SR 1102 (ADDOR RD) Between SR 1103 SR 1101 U5= 51.4 (DRNAREA) (10) = 1,410 CFS (SAY 1,400 CFS) ; : �; On Highway---•--•---------••-•-•--•--.. .....--•--••--••••-----• and.-----•---•• ............................ ------••------••--••---•-• ...............................•--•----•--••-------•-•-•---�----._...._..._............................. a.asm O.OlOYDEYNLCD06 � 9 WA Period of Records __________________w�`__.________________. yrs. � r�; PRQPOSED 3@74'x9' RCBC, CAST-IN-PLACE WITH TOP EDGE BEVEL AND WINGWALLS U�a= 68.4 (DRNAREA) (10) = 1,740 CFS (SAY 1,700 CFS) Q10 = 1,593 CFS � Ga e$tation No ..................._._......_... - - ; � Recommended Siructure ----------•-•--•---......-•---------------------•------------•-----•-----._.........._........_...__...-•-•--'-•-'-•---•---••----• � .o: -�--•------------------'-••------'-------•---......_..._.--------•------------•-------------•�---- 0.64]Y U.0095'DEVNLCD06 ; WA WA WA � o; 1'-6" SILL W LOW FLOW LEf BARRELS; 3'-6" SILL IN FLOODPLAW RIGH BARREL U25= 93.3 (DRNAREA) (10) = 2,190 CFS (SAY 2,200 CFS) ; Max. Discharge ..................•---....._ c.f.s Date -•---------•----•--•----•---- Frequency•--------------••----- w1 ......_....-•-------•---••----•-------•-------------•-----•-----�---�------......_.._.....----•---•------•-------�•--•-�--•----- -• ..................^----------�-----------•----•---._........................_._......-•---•------•--•-------------------•-- � - -• - -- '��' ' HIS'FOI'ICQI FI00C� II'1f0�1'Tlf]'FIOI'l: ROAD OVERTOPS BOTH SIDES; NEVER OVER BRIDGE � � 0.6451 0.0090'DEVNLCD06 . � (h• = 714 (DRNAREA) (10) = 2,540 CFS (SAY 2,500 CFS) Q50 3,127 CFS ; PAUL HUNSUCKER MOORE COUNTY Period of ; ot Recommended Width of Roadway__ �@�l: TRAVEL LANES _30_CLEAR ROADWAY SkeW 90 DEG. U50••--••--••-•-•-------- ._ , _.. .. ...--- •-----•-•-------•--•--- ---•-•---- --• -••--'- '"'""" """"" ...a�.Q.Q... Elev..., }t.Est. Freq.... . yr. $ource ROAD MAINTENANCE SUPERVISOR KnoWledge 11 + yrs. � N; b.ea3b"' o.d6e's dEJNitbbb"""""' ' " " ' 1 Date 1 287 25 = 138 (DRNAREA) (10) - 2,930 CFS (SAY 2,900 CFS) Q100 3,918 CFS � FRANK SANDERS period of �O� Recommended Location is (Up At, Down) Stream from Existing Crossing ..................................._.. ��oo ---• .............. ...•-• -•- -- ------ -•----••---•----••--•-•---._..._.._..._............ . . Elev.....,..._h. Est. Fre r Source . ... Knowled e � � 0.641�5��� 0.0084S��VNLCD06����������� � ������ �� � Date...?O10 __. 287 25 .__.._. LOCAL RESIDENT 40 + � q• --•---• y • - -• ........................ 9 _.......yrs. UZoo= 163 (DRNAREA) (10) = 3,320 CFS (SAY 3,300 CFS) ; MAINTAIN OR IMPROVE EXISTING LOS �= Statewide Tier ❑ Regional Tier ❑ $ub-Regional Tier � -----• ...........................•---••.- - •----- -••--------••--------. ....._. ._.......... 0.6386 O.00I] DEVNZCD06����������������������� �� �������� �� � Allowoble HW Elev...._..... AND too YR WSEL }t, Normal Water Surface Elev. 292_$ }F. '� ...................................�... = 201 (DRNAREA) (10) = 3:870 CFS (SAY 3,900 CFS) Q500 = 6,616 CFS ; FEMA STUDY & � Bench Mark is ._ ; BM#1 -L- STATION 14+05 88' RT; RR SPIKE IN 14" OAK TREE . 0.180 0.060 0.180 FIELD OBSERVATION � ••--••------•--•-------------•----•-•-----...._..._..._..-•--•-•--•-•--•------ --•••-------••--•---------•--.. ........................................•---•---•• ------•••----•-•--••---... _......--•-•�--•--•-•---•- ' Manning's n. Left O.B. Channel..._.__, Ri ht O.B. Obtained From •-•-••------------ ' : ; ......--•--- -- g ---••---• � ' 287 22 NAVD 88 ------------------------------------••--------•-•--•----._....._............_._.._...-•------•---._._...-••---•------------•••---- � ' �-: ..............--------------•-•••--•----•-----------•-----------•-•-- eV ---..__.:_...._ft. Datum: -----•------�•------- � Flood Study /Status FEMA DETAIL STUDY - REDEUNEATED . _ , Floodway Established? YES_ OCT:2006 : �� E ' ""'""'"'"""""""""'"""""'""""'"""" ' IS NOT REQUIRED; OFFSITE DETOUR AVAILABLE With Without � �� P rY 9•--•-••-•-•----••-------•---•--�-----------•-------------•--•---............_...-•-•---•-------•------•-- NOTES: � 3 918 291.5 290 � � �' Tem ora rossin •-•---•-•---------•---------••------•-----• ..................................•--••-------•--------•---•----------•------------•--• Flood Study 100 yr. Discharge -•--=----•- c.f.s. WS Elev.: Floodwa .ft. Floodwa ._.._Jt. ; ; y ...------• Y •----•--- � 'Q: FEMA DISCHARGES FROM AVAILABLE HEC-2 DATA USED FOR MOA MODELS. : @ River Stotion 13942 : ; ---------•-----------------------•--••---..._....-•--•-•---••--•---•------•-•----•------------------•----••-----•----•-•-----...._ . , , USGS SIR 2014-5030 REGIONAL REGRESSION DISCHARGES USED FOR NCDOT MULTIPLE fLOW MODELS ONLY. � P Zo ' R 4'� '�� �"' �j� q� �;� � DESIGN DATA Elev. Inter olated From FIS ; �' --•------• .....................•----•---...-----•----------••--....-•-••-•-----.........._....................._................._ ; � • FEMA FIS & USGS RURAL REGION 3(SANDHILLS) REGRESSION EQUATIONS FROM SIR 2009 5158 : ;, {� �� '�' *"�.•••••�*� ^ OVERTOPPING DISCHARGE IS APPROXIMATELY Q5 (SIR 2014-5030). 1 Hydrological Methad ..................................•--•--•--._...----••-•--•---•-•-------•-------•••---.-----------•------- ' v " '����� �,,.....���+'r --••-•--••------------------•-------•--•••----•..._._.........._......_........---•--•-•-••----------•---•-•--•----•-•--------•--- Hydraulic Design Method ; HEC-RAS V. 4.1.0 /AberdeenCreek MOA.prj ; a >- -• �'. �R t 7 "'�"`�`; -^ "� �' -' .......................................•'-............... � --•---•---••-•------•--•-•---•---••---'•- =---•------ '---••-•-•-------•-----------•-------•-•----• _._.. _ _ ._. " __ � r •--•••--••'--••-•---••.--'•--•----'-•-•-......••--••--•---'••••---••-•- ' ' � o ._•--- .�N �0�':.. . Qz ---• 7.9 __...R.: QS _.. $ $...}T.; Q�o... 9 3__..fl.: � . _ _ ... _ _ � . . - . . _ . ABERDEEN CREEK fS A RE DELINEATED HEC-2 STUDY. NOT ALL RIVER STATIONS ARE LISTED IN THE fIS ; Design Tailwater Q25 _._?O 1 �. Qso 10 5__, ft_ Q 11 0 ,{},�(� t1.4 {i �(� _ 72A _.__ {t, oo; �- �a- �... ,.��yi; �;,�� , - ""•""""""...."""•"' .................."""""""""-""""""""""""""'•"'-""•""'•'••"""'.._.... . � ' � ""'•' zoo'.._.."" sao • , � ov.. . ; �n. . . � �.• - ,.. � . � -.... in: ,r,. .. .. FLOOD STUDY TABLES. KNOWN WATER SURFACE ELEVATIONS FROM THE HEC 2 PRINTOUT (ADJUSTED FOR Inlei Conirol Outlet Control �: - . �-� �'} .- . .................................'---•--'-'-'--'--------'--•--------------•----...'----...-•'-•--....._........................... � Q Remarks : -- . � . M, . THE CHANGE IN VERTICAI DATUM) WERE USED AS THE PROfILE SPECIFIC DOWNSTREAM BOUNDARY ; Size & Type (c.fs.� Ke HWiD (ff.) d0 d� ho H �So (fr.) Z x'; '' "-•----•-•---•-•--•-•-------------•--••--•---••--••----•----••---.._..............._....--•'-•--....---••-•-'----'----••----'---- . . ,� , CONDITIONS FOR THE CORRECTED AND REVISED HEC-RAS MODELS. THE FACTOR USED TO CONVERT ELEVATIONS REFERENCED TO NGVD 29 TO NAVD 88 IN MOORE COUNTY IS -OJb FEEf (SEE MOORE COUNN PLOOD INSURANCE STUDY, DATED OCTOBER 17, 2006�. ..................'-----'-'--"---'---------------•-----'---------•-•-•---........._..-•---.........._....._....._........._...... NOTES: ----•---••---•-•----• ................................•••-••-•-----•---•---------•-•-----•---•---•----•----------•---•------•--••-• THIS PROJECT COMPLIES WITH ALL LOCAL FLOODPLAIN MANAGEMENT REGULATIONS. MULTIPLE INSURABLE STRUCTURES ARE LOCATED IN THE 100-YR BASE FLOODPLA�N; US & D5. NO INSURABLE STRUCTURES WILL BE ADVERSELY IMPACTED BY THIS PROJECT. DESIGN MAWTAWS /IMPROVES EXISTING 2-YEAR LEVEL OP SERVICE. ----------• .................................••-----------•---••---•---•----•----------•---•---•--...-----•------------•-•--------- DESIGN FOLLOWS SUBREGIONAI TIER GUIDELINES. .................•-•-------•------------------------•-•---------------•-----•-..__...._........---......--•---................_... =SEE H EC-RAS MODEL YES; ENCROACHMENTS Is a Floodway Revision Required?..REVISED; MOA 7YPE 2a_., Total Proposed Waterway Opening..... 287_.._..s.f. 2.5 2.3 Outlet Veloci V f.s. Natural Channel Veloci tY ( ,o� ..............•---•---•-••-...P tY (Via) .__........................_f.p.s. Required Outlet Protection CIASS 'll' RIP RAP -••--.._.....-••---.....•---•----...-•--•-----•-•--•--•---••---•--•-•-'•---•-•-•--••-•-•---•---- Design: Discharge .....954...... c.fs. Frequenry.•--...... :?.........yr Base Flood: Discharge __..��900 ____ c.f.s. Frequency.._______ ���__._.._ yr Overtopping: Discharge._,.�_400 �,f.s. Frequency,._..._..5.+�=.._,..yr ' DESIGN MAINTAINS /IMPROVES EXISTING 2yr LEVEL OF SERVICE Elev. 286.1 _........�. Elev. 289.00 . --------�. Elev. ......._ �.2871...---•-•-ft. '* OT ELEVATION FROM HEC-RAS MODEL � .� �'!� , ,. .r .... • �� r�� , - A o; .�,:�. i Z�', i;: "'�"^ji,.. � h'�....:.. �' i ""�.- c * � ` I� � . .. _ .. . .. . .._ _ . ' N .�.s y,. J;. w; t��; y_t�..�ARO(� � ' Desi ned b SEPI ENGINEERING AND CONSTRUCTION, INC. O:•' ES S/ '• 9+�� ......................... Z� 9 Y-•---•--•-----•-'•--•--•• ?;' pF Oti'•, : w� Date Ob_27.2016 � 9 ;. O� AssisTed b: ANDREW M. HOWELL, P.E. __ :� $EAL �� y .............•-•---•----•----•--------•-•--•-•---- ¢� Pro ect En ineer : ANDREW M. H WELL, P.E b ;-oo���� :' 10]5 WAe Pwnw • � 9 ------------ ----- --- ---- ----- -- ---- �[�G?0 �e�.�en��=,aos :�.x�.�, � ��,a� 5v:e1?]BR9BP / �EXGINEERIX ?'/tl495�1 [�� !,� Lle'ense'.GR19] •�fe l�s� �,/� ! � �o.s.���,�o. � E . � � � ( ��.. •4`dp a a + Reviewed b : ----•-------' . .... .... ......... .. ..!�(!. .. �, Y .Y� � +-�"_' �l y� F{V M � N 6/27/2016