20180007 Ver 1_790000 2017 I3802B COLD WATER CREEK I-85SB EXIT RAMP Y115RPA_20180102

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ADDITIONAL INFORMATION AND COMPUTATIONS ; SITE DATA ;
Y ;
, Drainage Area ______5.6_SQ.MI. _ __ ___ ___ Source _______USGS__QUAD__MAP_ (CHINA_ GROVE)______________
� � �; CULVERT SURVEY & HYDRAULIC DESIGN REPORT
USGS URBAN REGRESSION EQUATIONS FROM USGS SCIENTIFIC INVESTIGATIONS REPORT 2014-5030 ; River Basin YADKIN - PEE DEE Character _ _ PIEDMONT URBAN _ _(IA=_ _ 20%)_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ; � �
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--------------------
- , ,�; .. DEPARTME T OF T SPORT TION
_ DA. _= _ _ 5,6_ SQ._ MI_ .(IA _ = 20%)_ . ' Stream Classification (Such as Trout High Quality Water, etc.) _ _ _ _ _ _ _ _WS-1V_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ; 3 �, DIVISION OF HIGHWAYS
- --------- ------- - ------------------ - ------------------ ------------------- - -------- '
---
_HYDROLOGIC__REGION 1 3_SQ._MI._<DA<436 SQ._MI,____._ SAY FEMA DISCHARGES _ ; Data on Existing Structure ___WA�_NEW__LOCATION__________________________________ ______________________________ ;��, YADKIDETAIOL DDSTUDY) ASIN H � GH, SN.U� N I T
; YD
-----'--- - - -------------- - -------------------------------- � N PEE DE RIVER �
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0.5539 (0.0060"20) � _ _ _ � U ~ ;
._Q,o______ 484_.�5.6�___10____.__-_1657_cfs____._______ 1700_cfs__._____________1230_.cfs___.___.____ ; TotalWaterway Opening_______________s.f. Waterway Opening Below 100yr.WS EL.____--_-______s.f. ; m�x;
0.5428 io.003� zo� � Debris Potential: Low � Moderate ❑ High ❑ : o �00„ � I D. No. _ _ 1-3802B _ _ _ _ . _ . Pro'ect No. _ _ 36780,3 _GV3 _ _ _ . _ _ . _ _ . Pro Station _ _1,9 + 13_ _ =Y115RPA-_ _ _ _ _ _ _ _ _ _
Q 794 5.6 10 2398 cfs 2400 cfs __________________2040 _cfs_____________ ' oo • � ----- I•
- --�-- �---------------- --- -----------------------------
----50----------- - --- ----- ; : M �
05386 �o.00za4zo� ; Data on Structures Up and Down Stream UPSTREAM _ STRUCTURE;_CULVERT_ON _ SR_1243;_ 2_�_ _ 9'_X_ 12'_RCBC ; i; C __
--Q,00---=---941 .(5.61_----10----------- 2707__cfs-----------------2700_ cfs-------------------2400 .cfs------------- . ,� � ounty --_---ROWAN-------_-. Stream --_--- COLD _WATER_ CREEK--_-----------_-----_- Stru. No. -----------
' DOWNSTREAM STRUCTURE: CULVERT NO. 399 ON SR 1221 • 3@_ 10' X 12' RCBC ��'
0.5305--'�0.0011*20) � - -------------------------------------------------------------�---- ------------ - --------------------------------- � N
__QSoo___=___1319_(5_6)_____10 _____3461_cfs_________________3500_cfs___________________3220_cfs_____________ ' . ; On Highway___1-8556_EXIT_RAMP____ Between ____.__SR_1238_.____ and _.__._____SR.1337___.__._______.____
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; Gage Station No. _______WA___________________ Period of Records _______________ N!A______________________yrs. : o' R d d St t �a 12' 12' RC
AFTER_ _COMPARISON,_ THE _USGS_ URBAN. _ REGRESSION _.EQUATION_ _ DISCHARGES_ SHOULD_ _ BE _ USED. ___ 3 BC WITH TOP EDGE BEVEL AND WING WALLS WITH SILLS
FOR DESIGN AND THE FEMA_ _100 _ YR WILL BE USED FOR MOA COMPLIANCE_ _ __ _ _ _
-------------- -- --------------------------------------------------------------- --- ---------------- ----
_ NATIVE _MATERIAL _ CONSISTS _OF_ MATERIAL_ THAT_ IS _EXCAVATED_ _FROM _ THE_ STREAM_ _ BED _ OR _ _ _ _ _ _ _ _ _
_ FLOODPLAIN_ . AT. THE _PROJECT _SITE_ _DURING_ _ CONSTRUCTION_ _ONLY_ MATERIAL THAT _IS _ EXCAVATED_ .
_ FROM_ _ THE _STREAM _ _BED_ _MAY_ BE_ USED _ TO _ _LINE _THE_ LOW_ _ FLOW_ _ CULVERT_ BARREL._RIP_ RAP _MAY_
_ BE_ USED _ TO _ _SUPPLEMENT_ NATIVE _MATERIAL _ IN _ THE _ HIGH_ _ FLOW _ _ BARRELjS) _ IF_ RIP_ RAP_ _IS _USED_ _ _ _
_ TO _ _LINE _ THE_ _HIGH _ _FLOW _ CULVERT _BARREL(S�,_ NATIVE_ MATERIAL SHOULD_ _ BE _ PLACED_ _ON _ TOP_ _ _ _ _
_ TO ..FILL_ VOIDS _AND_ _PROVIDE _A . FLAT SURFACE_ FOR. ANIMAL_ PASSAGE._ NATIVE_ MATERIAL JS _ _ _ _ _ . _ _ _ .
_ SU_BJECT_ TO _ APPROVAL _BY_ _TI-IE_ ENGINEER_ AND _ MAY _ BE .$UBJECT _TO_ _ PERMIT_ CONDITIONS._ _ _ _ _ _ _ _ _ _
--------------------------------------------------------------------------------------------------------------------------
NOTES:
1. NO UPSTREAM OR DOWNSTREAM STRUCTURES THAT
WERE IN PLACE AT THE TIME THAT THIS PROJECT
WAS DESIGNED WILL BE ADVERSELY AFFECTED BY
THE PROPOSED CULVERT.
2. CHANNEL IS STABLE AND BED MATERIAL IS COMPOSED
OF SAND.
Max. Discharge ---------wA------------- c.f.s Date.-------wA---------------- Frequency -------wA----------
Historical Flood Information:
HURRICANE CHUCK WHITE, BRIDGE Period of
Date _ _ F�N _ _ _ Elev._ bb�±_ _ft. Est. Freq. . 500+_yr. Source �INTENANCE_ SUPERINTENDENT _ _ _Knowledge_ _ 25_ _ yrs
Period of
Date 1182013_ _ Elev. _ 663 ± ft. Est. Freq. _ ��_ _ _ _yr. Source FIELD _ SURVEY_ HIGH_ WATER _MARK_ _Knowledge. _ _ -_ _ - yrs
Allowable HW Elev. _ _ _ _LESS _THAN_ _ OR _EQUAL TO_ _671.4_ _ _ _ft. Normal Water Surface Elev. _ _ _ _ _ _ 658.6_ _ _ _ ft.
Manning's n: Left O.B. ___ 0.085_ _ Channel. ___0_06 _ Right O.B. ._ 0.085_ Obtained From FIELD _ SURVEY
Flood Study /Status _FEMA _DETAILED STUDY/ZONE AE,_FIS _DATED _ (�IC12009_ Floodway Established?. _ _ _ _ _ _YES
-------------------- -----
With Without
Flood Study 100 yr. Discharge _ _ �400_ _ c.f.s. ; WS Elev.: Floodway _ _ _671.4 _ _ _ft. Floodway _ _ _ _670.4 {i
@ River Station 91565
DESIGN DATA
Hydrological Method FEMA_ DISCHARGES COMPARED WITH USGS URBAN REGRESSION EQUATIONS 2014-5030
HEC-RAS 4.1.0 FILE NAME: 13802B COLDWATERCREEK SR1232.PRJ PROPOSED PLAN: PO4
Hydraulic Design Method ------------------------------------ --------------------------------- �---------------------- �
Design Tailwater � Q�o -------9,1----_ft.; Q50------10.0----_ft.; Qioo -----10.4 ---- ft•% Qsoo -----11.4-----_ft.
Inlet Control Outlet Control
Q H.W. dc+D H.�,y. Remarks
Size & Type (c.f.s.) K e HWiD (ft � dc 2 ho H LSo (ft.)
SEE HEC-RAS MODEL
Is a Floodway Revision Required? _ _ _ _ _ _ _ _ CLOMR _ _ _ _ _ _ _ _ _ _ _ Total Proposed Waterway Opening _ _ _ _ _ _384 _ _ _ _ _ s.f.
Outlet Velocity (V�o) _ _ _ _ _ _ _ _ _ 5.1 _ _ _ _ _ _f.p.s. Natural Channel Velocity (V�o) _ _ _ _ _ _ _ . _ _ _ . 3�8_ _ _ _ _ . _ . _ _ f.p.s.
Required Outlet Protection CL II RIP RAP
INFORMATION TO BE SHOWN ON PLANS
WS EL. Taken @ River Station 90862
Design: Discharge _____2400____ c.f.s. Frequency _________50________yr. Elev. _________ 670_2__________{�.
Base Flood: Discharge _____2700____ c.f.s. Frequency _________1_00_______yr. Elev. _________ 670.9_________ ft.
Overtopping: Discharge ____ 4200____ c.f.s. Frequency _______ 500+______yr. Elev. _________ 674.3_________ ft.
OVERTOPPING OCCURS AT ROADWAY SAG STA.16+55
o � ecommen e ruc ure ---- ----- X-------------------------------------------------------------------------------
o� �
� �
� Recommended Width of Roadway 48' SHOULDER _ POINT TO _ SHOULDER_ POINT _ . Skew _ _ _ _ _ �b_ DEGREES _ _ _ _ _ _
; Recommended Location is (k� , , Stream from Existing Crossing. _ _ _ NEW _ _LOCATION _ _ _ _ _ _ _ _ _ _ _ _
�
� Latitude _ _ _ _ _ -80.57440 _ _ _ _ _ _ _ _ _ _ _ _ Longitude _ _ . _ _ _ 35.53851
0 -----------------------
�
�,.�; Statewide Tier ❑ Regional Tier � Sub-Regional Tier ❑
>,
�' Bench Mark is BM57: RAILROAD SPIKE IN BASE OF 18" OAK ON NORTH BOUND SIDE OF I-85, 157.95' RT.
ri; -------------------------------------------------------------------------------------------------------
o;
�� OF -L- STA 561+70.09 ________ _____________________________ Elev. ___674.80____ft. Datum: ___NAVD 88
�� ---------------------------
�o;------------
`�'� IS NOT NEEDED AS PROJECT IS ALONG NEW LOCATION
' Temporary Crossing --------------------------------------------------------------------------------------------------
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Q; HDR ENGINEERING INC.
3; Designed by: ___KYLE_M._STOFFER,EI_______________________
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0; Assisted by: _ �M, MLM_
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� Project Engineer :___ TRENTON J. CORMIER, PE
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NReviewed by- ----------------------------------------------
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