20160764 Ver 1_82 0036 2016 B5749 SHOE CREEK SR1421_20160808

INFORMATION TO BE SHOWN ON PUANS
WS EL. Taken @ River Station 27087.18
Design: Discharge..__------7200---c.f.s. Frequency-.---_-25___.___yr. Elev.---_--205J---_----#�.
Base Flood: Discharge....._...__1700___c.fs. Frequency ---.--- 100_.._...yr. Elev. ____..205.97--,-----$.
Overtopping: Discharge _______.. 4795___c.f.s. Prequency ___.__._SOq+..___,yr. Elev. .._.__�09.51.,____�,
OT OCCURS APPROX. 475'
WEST OF PROPOSED BRIDGE
ADDITIONAL INFORMATION AND COMPUTATIONS
DESIGN__FbLLOWS.SUBREGIONAL TIER_GUIDELINES_.______________._______
---- -- .... - --
DISCHARGES COMPUTED . USING . SIR. 2009-5158, EQNS _ ON _ Pg. 20_ ______.
_ _ ___________________________REGION_4=75�o COASTAL_(73,5mi2)�REIGION_3=25°h._SANDHILLS_(4.5rni21
_--__ RURAL SAND HILL&COASTAL-_ _ . -_-.._. ...... .. DA=78ryi,i2. . _,-- , __,__ .. .. .._.
- --- -
USGS SIR 2009-5158
-------- ------- ---'---.. . .. __.. _ __..__. .--..
--
Q ,�O [0.017]�PCT3)+0.0424�PCT4)] DA [0.61]+D.00113(PCi3�j �
'_'�� '___'.____""___"_" " "_'""""__'"'"_"___
- -- - -- -.. ----- -- -._.._- - - ---- - ---- ---------
�O.D189�PC13)+0.0239�PCf4)j �0.0606+0.00130�PCI3�� NOTIE: FEMA 100yr. DISCHARGE
�s=70-- - -------- .DA -- - - - -�-- -------- - -- --USED__FOR_FEMA_COMPLIANCE-
[0.0201�PGT3)+0.0258�PCq�] (0.594+0.00139�PCl3�] NOTIE: USGS DISCHARGE6 USED FOR
C2��=10 _ _ - ------ --�A-• - -- --- -� NCDOT DESIGN
-,-.._.... - -- -----...- ---._._.._.._ ---.__.___..
Q _�O I0.0214IPCT3I+U.02741PCT4)1 pA I0.583+0.001491PCT3�] Z
__ 5� ""'""'_'"__""""_'________'_____"___""'"'...."" '"'...'_"_"...._....'______"__'"___"_"'_"""_'""_""_'_""""""_""'_"_""_'
Q =10[°.mni�sl+o.oz2aps)I �$ [O6V+OOOli317511 _HGZ.Z, $AY 850cfs
_ �o . --- ' ' -- ' - . . . .- --- - --- '---- -- - '------
�00189�25)+0.0239�15�] ���306+000130�25�]
Q�-10 18 -7165.4, SAY 1200cFs
Q _�p �o.mn�zs�+o.osseps7� 18 �0.594+0.00139�25�] _t695.3, $AY 7700cfs (FEMA=170�8cfs)
-- '°° -- - - .. _... . . . - � -� --- -- � --- -------
_70 [O.M14�25)+00214�]i)] 18 �osea+oomav�zsi� _2336.6, SAY 2300cfs
Qsoo_ --- .._- ---_. . .--- - - -- --�-----
S�pU EC .- _._ .. ...__ ... ... . . -__ . . _..- -- � - -- -----
COI�TRACTIO�H SCOUkAf'RII. 2012)
__...... . . .. _. .-----._ __. .. .. . ___. . _.._--
1' = Y Q� /W Y-5.42 1632.76�1330.89
s ,� z g�� �, zlrc, z- [ 1� [2CVI9]os9-6.69'
__-- - ----- -- -- --- - - -- - - - _.__ _... .. _ _ _ - -.., . ---
Ys= YZ-Yo Ys- 6.60-4.70=2.0'
Q� -NATURAL RUN, RS 27142.96, 7330.89
QZ =PROPOSED RUN, RS 27057.88 BRU, 1632.76
W� -NATURAL RUN,RS 27742.96 (BOTTOM_ WIDTFi),20
Wz =PROPOSED RUN, RS 27057.88 fBOTfOM WIDTH�, 79
Yo = PROPOSED..RUN� RS. 27057.88_ INSIDE, BRU, 4,70. _ _ _ _ _ _ _ . _. _ _ _. _. _ _
Y�_=NATURAL_ RUN,_R5.27142_96, 5;42_-_,----._--___.._____-__-_-_.
--- . ..--__. .. .. .__ . __.....-
SITE DATA
Drainage Area -------1@mi2------------------------ Source --------USGS_QUADS,--------,-------..---------
RiverBasin .._--------LUMBER----._ _-- Character --_----...RURAL_---__,__-._...------__--,--
Stream Classification (Such as Trout, High Quality Water, etc.) ._______ CLASS C; Sw
Data on Existing Structure __.1.�a30'8°,7@30'0"�1@30'70".___PRECAST PRESTRESSED CONCRETE CHANNELS,_.
------- - ------ ----------
END&INTERIOR_ BENTS;PPC_, CAPS_ ON. _ TIMBER_ PILES,TIMBER _ BULKH_EADS_ 1'otal Waterway Opening ______ 61 �_ ___. _ s.f.
Waterway Opening Below 100yr. WS EL. _._.428,_._, s.f.
Debris PotentiaL- Low._.._.. Moderate ____... High ,X___
Data on Siructures Up and Down Stream ... UPSTREAM: SCOTLAND CULVERT C41 - TRIPLE 17'X8' RCBC
- - - �- ---- _ - - _. -- -----
DONlNSTREAM: SCQTLANp_ BRIDGE_#.$9 - SINGLE_SPAN..jI@35'�REINFORCED CONCRETE_DECK_ _______._._,._
9N_.1-��ARAS•_�ND_$ I�yT,B_ 7'$: RC _� _p� ON_ PRE�q$T_ PRESTRES$ED_ C9�`{CR�E_ P14ES ...._---- ---------------
MAIN7 IrI OI� I PROVE
25yr AND 100yr BACKWATER�
Design Control Elev. .______ ______._ . ._._._ _
Gage Stafion No. _________Wq___._.._
Max. Discharge __, . ..,_.__WA. __.___ . c.f.s.
Period of Records ___ __,.____ ____Wq_ .____.________yrs.
Date .... _._.WA__.___ Frequency __ ___WA_.______
Historical Flood Information: COUNTY MAINTENANCE ENGINEER REPORTS
NO KNOWLEDGE OF OT IN PAST 7-8yrs. Period of
Date---------.Elev.----------ft.Est. Freq. --.----Y�.Source --------.---__--------------____ Knowledge------.--Yrs.
Period of
Date.----__ Elev.___--_ ft. Est. Freq. --------YcSource --------------------------------------__ Knowledge__---._..yrs.
Period of
Date------_- Elev.---_--._}f. Est. Freq. --_,---Yr.Source _--._---__--------------_-----_--.-- Knowledge_.___--yrs.
Historical Scour Info. : GeneraL_.[�YP...._$. Contraction_.._N�A..__ft. LocaL___ WA_,_,jt,
QUAD MAP
Channel Slope.____ Q.00l�_.� Source PEMA MODEL______ Normal Water Surface Elev. _._.. 203.14. ,...$.
fEMA MODEL
Manning's n: Left O.B. ____.4,74._.Channel _____ 0.07 Right O.B. .. . Q_lk Source ._ FIELD _OBSERVATION __
Non-Encroachment
Flood Study/Status _LIMITED_DETAILSTUDY,_EFFECTIVE_DATE_JULY 7,2074__, Establishedz _____YES____,_
Flood Study 100yr. Discharge ____ �14@_ c.f.s. WS Elev.: With Without
Non-Encroachment .?Q7.77.ft. Non-Encroachment .206_67_ j{,
@ River Station 27142.96
DESIGN DATA
Hydrological Method ... _ USGS_ RURAL REGRESSION _,EC�UATIONS _SIR. 200Q-5758, REGION , 4 _ & _ REGION_ _ 3 _ _ _ _, _,
Hydrnulic Design Method__ ,HEC-RAS,VER,3.1.1 ___._
Floods Evaluated: Freq. Q Elev. Backwater Bridge Opening Velocity
(Yr.) (c.fs) (k.) (ft.} (f.p.s.)
@ River Station 7Q---_-- ---. .854...__- _--2Q4.4..._ -_OJ_--- 2.6
27087.18 --------- - -
- 2�---- - -1204_- -._.2051.- -
.1R9.-- - -- .17.OQ - -- -- 205.97 -
- -500-- --- - ..23QQ--- ----20b.7- ---
100yr_FEMA_ __1108-------- --_-205.81-----
Waterway Opening Provided Below�esign W.S. Elev. ..3b9 _..s.f.,t00yr W.S. Elev. .. 4�¢__s.f.,Total __ 645__ s.f.,
Average Channel Vebcity (Design) __ .$•7.._.__.f.p.s. Average Overbank Velocity (Design) ...... 1.$ _.___}.p.s.
Computed Scour : General _________________ ft. Contraction .__._ 2:4_.__...._R. Local ._.___ WA____ p,
Is a Ploadway Revision Required2 YES,NPE_1.MOA_________.,____._._______ _
- ---- --- ------�---
FEMA LIMITED DETAIL STUDY
LUMBER RIVER BASIN
�; BRIDGE SURVEY & HYDRAULIC DESIGN REPORT
N �
N. C. DEPARTMENT OF TRANSPORTATION ���
� i DIVISION OF HIGHWAYS
� HYDRAULICS UNIT
W ; RALEIGH, N. C.
x�
W ;
O;
x�
"' I.D. No.__.8-�749.__.. Pro'ectNo. .___45705,7,7
a: � __-_-.__. Proj. Station STA.14.t37.-54_-4-_._..
�; County ___.SCOTLAND_______. Bridge Over._�__..._SHOE HEELCREEK ,..__,.. Qridge Im. No._._36._._,
�O' On Highway ,SR74�1.,((e1cINTOSH__RDj, Between .SR14J4__(5�45_RQ).. and ._...._SR1477_(McLAUGHLIN, RD)__
o;
N,
�oi Recommended Structure 700'_SINGLE_SPAN__3Q"_BOX_BEAM_w/4,0'_END_BENTCAPS_,___.__.,.__.___.,___.._
r�
o�
(V � "'""" .. . ....... ..."""' '""_""' """_"'. .. ... ..__. .._.""....... ._' "'"'"" ""'""'.... .. _...." ""'__""
�
: Recommended Width ofRoadway_.33'_OUT-OUT.j30'-70",FACE.TO_FACEj__..___ Skew.__90deg._______
Recommended Location is (Up,At Down) Stream from Existing Crossing.__A7'_EXI$TING ______ _______.
ai
LL Statewide Tier ❑ Regional Tier ❑ Sub-Regional Tier �
W
� Bench Mark is ,.. NAIL SET II�7 12" PINE TREE; -EL- STA 70+00
'-_N 34.846278� E.79,379722-_-_--,--,_--------_--_-_----- Elev. --- 277.48_..ft. Datum:....__NAV0.8$---_-
ai� Temporary Crossing
o;
�:
o I
Z
0
'o
a`_
o.�
v
n;
NI•
m;
0
z
�
.___.NOT.REQUIRED_-_OFFSITE DETOUR
- - --�------------------------------------- -- - - ------ - -
i � � �'"s ' �
l: .. � > ��. '��y
� , .. -�� 4..r
I ��
�
f �� �
�',
M;
Z I
> I �
c
�
u Y
2 l I
N� . _ ��_ __ . :�.. _. . i _1
-k �^ `�
�
Y; a °"
m, "� �
V; � `� ; ;�
J, � � �
w� E�'@lE1�JGiE<fc_L�2Ei'vC_i
2: .
,,,, Designed by: _------KAREN _ HEFNER,-FE----------------_
�; MELANIE NGUYEN, PE
,_; Assisted by: _ _._....ANDREy✓_ NOTTINGHAM, PE _,_____
a Projed Engineer :_. KAREN HEF E,_PE
-
-
� �-- �
----�-- ..
N Reviewed by: ----• � - - � - - __-y�r� ��
Date ��_��_/Z��%
�o� FESS�p�N9
.��� 9'.
: � S�?�'Gii
y•�;v
,9
'��,�'FN