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20150701 Ver 1_820006 2015 SF-820006 GUM SWAMP CREEK SR 1001_20150717
i,; � ; � J -1- � ', _ ��-If=�=i#fli'"��il�i!�FE1 � . �!��k�ll���iil�ffilil?�-f Li _ � � � I I , � "1'I £6+SL'V1S Ol 69+SL "V15 WONd �� Sii31N3J 9 NO S101S „9 X„8 43NIf1D31J SNIVN4 �IJ34 i� s v =ov3aas ".L-1 6 £ =HlOIM N3Olf10HS +v� eo o =aaois ssoa� +ra ssoo o -3aois ivNianli�NOi � Sd� ZE"0 =b 06"0 =� �� 8f10H53H�N1 V =I JV 60"0 =VO SISAIVNV oV3adS ���i IIIi Ii i� i I �... i 1' . .7 �.. �-E ���J � � ���� ; , _{ I j 3�dR18 �O 3JV� Sft WOb� 'l� VOl li j_ r [! � ' (StR1-�3H Z'SYY9V) LYZL NOIlJ3SCnJ �L. �� � �_..I�, � � i � � zfO�Z aas�naa � � � � � I �"-��i" j I'� � . SO L£Z 3NlJ3dd3 O31J38N07 � '� I �_ _ L S9�LiZ 3AI1�33d3 31V�Ildfla I � �_, CI� . +� i , i � ���ooi i _ � � , �-� - , 318t/1 3�Nt/W�JO�b3d , � t i j < I I VN/3� � � � �'�I ij . .�� . ,. . . ��, '. � 3J4RI8 d0 3�Vd Sfl W08d '1� ti0 � � I �S`✓21-J3H Z'8Y49Y) LYA NOIlJ3S� i, �� �,'� 0'L£Z SZ'0£Z 6"bZZ L'6ZZ CbZZ 03SOd08d � ' I I I 8'OEZ L6'OEZ L'0£Z 8"bZZ Z'bLZ �JNIISIX3 � 7"0£L Zb'6ZZ 9"6ZL S"6ZZ b'8ZZ 1V21f11VN �� ��OOS ��OOt ��OS ��SZ ��OL �I� �I � AJN3flt�3ild il � �� � i� ' 318V1 3�N 210�213d II� � i k lOa�N '�': � � � � i _ � � '� �� i i I� ' I! I' III I _II � INFORMATION TO BE SHOWN ON PLANS WS EL. Taken @ River Station 7247 Design: Discharge ---- 1700 -------_-c.f.s. Frequency -------- 25---_--yr. Elev. -_- 229J-------__ ft- Base Flood: Discharge _____1400__________c.fs. Frequency ______ 100_______y�, Elev. ____230.25 _ {} Overfopping: Discharge ____ 1800�____,___c.f.s. Frequency __._500+_____yr. Elev. ___.?31_3_________ ft, ADDITIONAL WFORMATION AND COMPUTATIONS NOTE: BED MATERIAL IS EXPOSED 6ED ROCK AND COBBLES - - - - ------------ -- - - - - - - - ---- ------- - - -- ------ --- --- ---- - --------- BANKS ARE STEEPLY SLOPED, VEGEfATED AND STABLE. -- -- --- ----- --- - -- -- - --- - ------- - -- - --- -- - -- - - --- -- -- - - - -- - - ------ -- - - -- ----- - - ----- - -- - --------- RURAL RIDGE and VALLEY-PIEDMONT FEMA (LIMITED DETAIL STUDYi - - - ------- ----- - - - ---- SIR 2009-5158 '_' ___'_"_' ""_""6.b17 _'""_'__ __""'_"' _'__'"' Q�a= 398 (34.6) = 811 (SAY 800 CFS) __- - -- ------- --- ---- -- ----- - 0.606 _.________"______""______"_"_"____'"_________"___"_"_""'________"__""___""'__"__ QzS- 537 (34.6) = 1053 (SAY 1100 CFS) -- - - - --- ____ o.5oa __._ ____ ____ ____ ____. Q�o bbl (34.6) 1234 (SAY 1200 CFS) -- --- - - - -_V.594 "____ _____ _____ Q,00 _ ��6 (34.6) = 1410 (SAY 1400 CFS) 1921 CFS --- - ---.- --- - - - - ---- -- ------- - - - - - ------ -- - ---- - -- - - 0.�93 _ Qsoo- �.072 (34.6) = 1847 (SAY 1800 CFS) - -- -- - --- --- ---- - ___CC)[�1TRA TION S O 1 • __.___ --- -- -- - - --- 6� Kt Kl 0.69 - -Yz -- Y� [QZ/Q�] [W,/VJ ] ------- - Yz= 4 27 [1400.00 /376.11j [30.10/30.10) ?- -- _ -- _ ---- --- -- - - Ys YZ Yo Ys _ 13.17-7.50 5.67 ft _ 10 A SCO 1R AT PI R 1• (.�5�1 �QUATJON) __ -- - O65 035 O.A3 O65 035 On3 Ys 2.0(I�)(Kz)�K3J(K�)(a) {Y�) (Fr�) Ys 2A(11)(1.0)(l.l)�1.0)(1.17J (4.45) (0.074) Ys ? Ys 148 JOCA S.O R AT PI�R 7�(�Sll FQ�1,4T14N�__ __ _____. _ ___ __.__ �.65 � 35 0 A! p.65 0.35 O.A3 - YS z D�K'��Kz)(K,��K")�a) -iY�) (F�,�---- ----- - -Ys 2A(7.1)(1.0)(1.1)(1.0)(7.77) (7.31) (0.065)- Ys ? Ys 1.66 ---SPREAI� ANAIYSIC VJ/R„ X F^- ---- --�-� ' ---- -----' CInTS�tL.S' �ENTERS -------------- STA. SPREAD ---- ------ --- - - - - --- - - --- -- - - -- --- --- --- ------- --- -- -- --- -- 15+69 (L� 4.08' 15+75 jLT! ____3,94' _ --------- ----- - ------ ---- - --- -- -- ---- - -- ---- 15+81 (LT) 3.80' 75+87-(LT�-----3_68' --- - - ----- --- -- -- ------ ----- - ------ - - - - ---- - -- 15+93 (LT) 3S5' - ------- - - - - --- --- - ------ - ---- - -- ------ �_�_ _ _ �__--� - -- _ ��-__ � TC31I�__1�1�Td r __- _ _-_- _�_, I � ' � ; I" I � I� � � � I � � ; { � � ��, , � � - � _. � � i -- - i -� � _ I � � �� � , �_ � � I � � � ' � , - � _ _�- � 1_ �- � I � - � � - z � � - -- �'�'i,'�� �,�. �r�., �' �� � � � � � - � � - ��- � � I -,- � :-- - � --�_ � � I � , ..� �I<< _ � __, � ��- �� � � � � __ __ �_� _ ._ I�.� �_ � I i � � I� I iII; �<1 6 3^; � iINVB �O d01�1� i° � �.-' ?�'-�'" SCZ :ld h�u .:�i i'l�H� � S � � ---- � - _ � �I- - i i�,,n,� � n � ea � �,, � ��y�;oa�F nl�siarn �, l;�_su�� ,OO�l � ,05 ., �S �,� �, -- 1 � ��� � � � � � �� � � � �-1 i , ��ta�,iri�,....i �: �,7 �, � I ' i � 213Lt/M �O 3J43 � � I � � _ _ - � i �� �� � � -- � I �- � -- � . 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I i I - �--- i i i i � -- - � _ i Z GE�„ „=�� / I S �8•t3f� rt3� fl i I � I� 'i ;�SOdC�<t. 1�� , I �-.-_1 .- - - - - _.. ._. _- . � _� - , .._ I 'dv / l�Z II'� . i �� �- II i I._� , -I� '--I` I � I �,.,_� I i i ��_-�I I � I I �I�.�'. . .', . �\ I I�� I i . _!__ � � � I �.,�r� c,�zl s M „ �_ __ ___ I i v o I \ - ii S b�3h 04i ZI ,�V I i i i � I =, , f c� L L Z) ,OL C�, L �t) , Z! C il � I E� I I I j_ i�� I �__ _.�- �._.._ _-�- _ �_ I I I� � i �' j-l- QO'bd7 51'VtS aNil 31N3�� �_� j�, �, i� � i I-I 1� --� l ' I-' I i '. i f�_ I_ __ - - _ .. _ _ ��_._. � � - � �--- I I I � �C6�b i , ���.n313 �, ',_..� � � �. �.'� I � i i_� i ' I i i � I i �� � � � � � { �..-_ I � j I i i i ' � _.. r � r _ _ � � . s,� t��;� _,c� ' ' I , I �� ',� ,_ ; - ; � i 1 I___ 1 � ��,� I � I I ' � � � �_ � i i � I z I �_ i, � J � � � �� �� ii� ��'iI�'� �� I ��: i I��I� _ _ � � �� � _� � � I � � i � � � -' _ li r 100+� OO+qI i i �, j- � i � �_ i_; �_' - � �� � ��_� i L��� I � �- � �00�8L L ��� - - - 00�91 � OO+VL � OO±EL � �'�� � ! � i � ��� � � I �� � ' � � � � � � � , ._ � _ i , _ _. _ _ __ ._ _ _ _ SITE DATA ��I _- oia I oaz i- I I {i I � � 0£Z � �ii��I� � I � � OYi , j � �� �; -/ Drainage Area 34.6 SQUARE MILES �' �`�✓ � --------- Source . F_I_S_/USGS QUAD MAP - - -------- - �: - - -- - Ri�e� easi� ___�uMeER �; BRIDGE SURVEY & HYDRAULIC DESIGN REPORT a0'�' _---_---_------__-----_ Character __SAND HILLS °� ��'� �: N. C. DEPARTMENT OF TRANSPORTATION Stream Classification (S�ch as Trout, High Quality Water, etc.) _CIASS C _ �; DIVISION OF HIGHWAYS -- ---- ---------- - � HYDRAULICS UNIT Data on Existing Structure �_@__ 78�-0", 1_@ 17'-4", 2_ 16'-10", 1 17'�" TIMBER DECK ON TIMBER JOISTS �' --- --@ - ----- --@- -- ---- --- - --------- - RALEIGH, N. C. END & INTERIOR BENTS: TIMBER CAPS ON TIMBER PILES 3' ----- ------ ------ ------- -----,-- ------------ Total Waterway Opening 325--------- s.f. cn. Waterway Opening Below 100yr. WS EL. _ 325________ s.f. �' �.D. No._ SF-820006_____ Project No. ___77BP,8.R,43_________.__._ Proj. Station ___�5�29_00 -L- Debris Potential: Low______ Moderate ___X_ High ____._ �� -- -- ---- �: Data on Structures Up and Down Stream UPSTREAM STRUCTURE - BRIDGE 007, SR-1340, 3@_ 10'-9" ___ ,o; County ___SCOTLAND__________ Bridge Over _ GUM__SWAMP CREEK____._______. Bridge Inv. No.__006_____ ---- -------- ------- -------- ----------- ------- o• DOWNSTREAM STRUCTURE - BRIDGE 005, SR-7323, 3_ �� ---- ----- - --------- ------------ --------- - @ -40- -- --------- ---- ----------- -- ------------ n; On Highway SR-1001 jMARSTON_. RD)_ Between -- SR_ 1340 -- and - - -SR-1338-- - ------------- �� Recommended Structure - -- ------- -- - --------------- �,,; - 7_@_ 25'_(21"j�l-@- 70' j24"1,_1_�_25'_j27"J_CORED_ SLAB; W/4,_0„ END_ BENT CAPS_ -------- - ------ - -------- - ---- ------- ---- -- - �� Design Control Elev<__OR__=___EXIST._700_YR,W.S._=__231_,05'_@__1247_j46448,2__HEC-RAS�USING__FEMA_FLOWS o: -------- - -- ------- -----�- ----- - ----- ----- -� - ----- --- -- - -- - - - -- - - - w; ------ -----�--------- Gage Station No. __ N/A __ Period of Records __ N/A__.__ o; Recommended Width of Roadway _���-�0" CLEAR ROADWAY_f30' OUT TO. OUT) Skew _ 120____ _ __ - ------ - ---Yrs. o. ---- °: Max. Discharge __ N�%_.____ ______.__ c.fs. Date _ N/A____ ________ Frequency N/A � Recommended Location is ( Up At, own)�am-fram- Existing Crossing.______ Historical Flood Information: LL Statewide Tier ❑ Regional Tier ❑ Sub-Regional Tier � LL Date___N/A . EIev.N�_____ ft. Est. Freq. N��±.. �.Source FRED_ TRAVIS NCDOT __ Period of 30 � Bench Mark is __ BL-107__[N__411553,6491� E_7837017_7428j_________________,,. __ _ Y Knowledge____ . yrs. OVERTOPPING BRIDGE MAINTENANCE SUPERVISOR Date___.____ Elev..________ft.Est. Fre Period of � STa 74+4887,__75,64 R_ q' - ----Y�-So�rce ---- - ------ - - ------ ---- Knowledge---------.yrs. �.,: (-4-_ ----- �---- -------- - Elev. ---231,49---{t. Datum:---NAVD 88 _____""'_ _'_"________"_ Period of �' �� Temporary Crossing __OFF-SITE DEfOUR Date--- -- Elev. ------fF. Est. Freq. - ---Y��So�rce - - ------------ -------------- - Knowledge----- ----Yrs. �: ---------------�_ -- ----- - ---------------- --------- -- -- - - --- ----- 2� Historical Scour Info : General__NONE ft. Contraction __NONE ft, Local___.NONE f}, �i �. . � . ' : , �f � Y� � Channei Slope__ 0,0072_____WPr Source USGS QUAD_ MAP _ Normal Water Surface Elev._____ z23_4_______ft. Z �' "'" }' Manning's n: Left O.B. _ 0_12-_-- Channel _0_055____ Right O.B. __ 012_--_Source --- F.I.S /FIELD VERIFY _�? � 4 i` . `�. ; ------ - - --- Non-Encroachment � `� ' � }, e Flood Stud /Status LIMITED DETAILED PANEL 8420 EFF. 10-16-2007 g YES °'. i �^`�n'"'" ' � " Y - --- -- --�- - ---- - --- ) Established. _- --- ,� ,• , _ • , _... , �: Flood $tudy 100yr. Discharge _.1921__ cfs. WS Elev.: With Without °' �� ��� �' Non-Encroachment 23?,�_h. Non-Encroachment _�31_6__{t. �: �, I � e '� � I �. @ River $tation 1247 LL.: ` ' ' `� � '' �'��' Vl: 0.� �. Y � . '� �. .. '1 . � j DESIGN DATA z � � �„�% k �x - "'�`"°�� t:`' ,� . ; �' ���' ; � .._ KL H drolo ical Method + � �' �' � �' � `, * ir,� .�., � �.� *� k F.I.S. AND RURAL FLOOD-FREQUENCY EQUATIONS USGS SIR 2009-5158 ; SANDHILLS REGION � '�� �.� ,�� ��� `�^ ------ ------- ------ - ---- ---- --- ---- � Y 9 L - - --- -� ---------- a � ' ' t � y� - � r n.�a � . � s HEC RAS 4.1 0 � I ��- . � � "��� � � � � ' �`�% � �G ; �� Hydraulic Design Method__ _____ ,o; r �' ---- -- s: ,� > .. �'..� � x ,, . -- ------- -- -------- - ------ i.' °oi I ..*��,.�"'�.� '�'�x�, ��� � g�' � r," 9 P 9 '•] t .��'a " ., a . ,r �' �. t, � $e �F'' ?c„ a M,Rr. �, rt f ,�;s}, m �Pe� � Floods Evaluated: Freq. Q Elev. Backwater Bnd e O enin Veloa �*���s � �� � �' ' .te� .:'�s � - z= ' �c�m ,•.a, (Yr.) �c Es) (fr ) �ft�) (f P s ) � �F ..�. `t Y' �':`'..r.!S i � ' ,�"� ��f�'�i� 't � � �4ax;,�F ���i i `�` x�L a{ . �� -- 800- - 2297---- -- 0.2-- - - 1.8--- - �� � ,a��,"`�;� � � h ` ���' ��fi."�� � � �`� � � � ------- @ Rfver Station --- -"" -- -- - ---- � 1247 � f ' � ` C � .,� . 1 � � FrS� '"^(5 -- 25----- ----- 7100------- --229.7 --- --��`z--- -------2.2---------- i�. . V � ; n � .. 11^ fw' n a .r (46448.20 � I �. , ,: 50 - 1200--- ----229 9- --- -�'3--- 2 3-- -- in a r,?� ,z. ` i HEC-RAS) -- - - ------ I� ._ =-I 100 (FEMA) 1q27 230.72 3.4 � 100 (USGS) -- 1400-- - --23025-- - --�`33 - ---- - �`b -- --- Y' \ �trriii�rrrri �f ------�------ _- 500 231.0 0.6 3_z a� ��o��N CARO���q��y ------- --- 7890 - --- ,......., --- -- -- -- - - --------------------- ,^� � • FESS/p,�;• � � � f'2� 9 't „ Waterway Opening Provided Below:Design W.S. Elev. __ 502__s.f.,l00yr W.S. Elev. __ 547___s.f.Total _ 55$__s.f., v3i: Designed by: EDWARD__VANCE� P_E.__________ � : e �'; � • - ------ . T- � � Date � "_�-Q ` E�> _ ' � ' -` Average Channel Velocity (Design) ____2_$____f.p.s. Average Overbank Velocity (Design) _____�_$_________ f. s. �' ' ---- -- C�* ' 029 88 : � P. �: Assisted by: RYAN O'MAHONY� P_E_---------_----------- ------ i '�,I : � � ,� � . � =�' ��s)(:�:;U✓�=.;q, ��� , i�j1n/{f'�;.•c�, Computed Scour : General ,._N/A ft. Contraction .___ 5<7 ___________ k, o Project Engineer : KEVIN_ BA _EY, P,E_ J�i�Fp��,NG��J�;�'�,���� _ --_ ft. Local 7 7 --- - - Is a Floodway Revision Required? __NO,MEE_T_S MOA_TYPE 2A___ ____ � �� 1� �/ �/ C /��•!��R�i ��v�PC`�\' - --- -------- - N Reviewed by: - - -�-- - �� -- .%i I.J - �