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HomeMy WebLinkAbout19930046 Ver 1_Complete File_20100726 State of North Carolina Department of Environment, Health, and Natural Resources 512 North Salisbury Street * Raleigh, North Carolina 27604 James B. Hunt, Jr., Governor February 24, 1993 Jonathan B. Howes, Secretary Mr. Roger Cates District Engineer N.C. Dept. of Transportation P.O. Box 1460 Boone, N.C. 28607 Dear Mr. Cates: Subject: Proposed fill in Wetlands or Waters Road improvement, SR 1116 Watauga County Project # 93046 Upon review of your request for 401 Water Quality Certification to place fill material in acres of wetlands or waters which are tributary to Watauga River for road improvement located at SR 1116 in Watauga County, we have determined that the proposed fill can be covered by General Water Quality Certification No. 2732 issued January 21, 1992. A copy of the General Certification is attached. This Certification may be used in qualifying for coverage under Corps of Engineers' General Permit No. 14. If you have any questions, please contact John Dorney at 919-733-1786 Sincerely, 93046.1tr Attachment cc: Wilmington District Corps of Engineers Corps of Engineers Raleigh Field Office Winston-Salem DEM Regional Office Mr. John Dorney' Central Files ? ? =ice Preston Howard- Jr . P . E . P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-4984 Fax # 919-733-0513 An Equal Opportunity Affirmative Action Employer MEMORANDUM TO: John Dorney Planning Branch SUBJECT: WETLAND STAFF REPORT AND RECOlv1MENDATIONS ***EACH ITEM MUST BE ANSWERED (N/A-NOT APPLICABLE)4** INITIALS: SMIC i Reviewer: WQ Supv : Date : PERMIT_YR: 93 PERMIT-NO: 0000046 COUNTY: WA`I'AUGA APPLICANT NAME: NC DOT - PAVE SR 1116 PROJECT TYPE: PAVE SR PERMIT-TYPE: N114 COE_1I: LOT_1I: ri304 RCD_FROM_CDA: DOT DATE_FRM_CDA: 01/20/93 REG_OFFICE: VISRO RIVER-AND-SUB-BASIN-4: W HTptkC,F1 STREAM-CLASS: is "Tr -I-IQV?J STR_INDEX_NO: b WL_IMPACT? : &N t*reAw--j WL_REQUESTED: ? HYDRO_CNECT? : `J N MITIGATION?: Y, NO MITIGATION SIZE: p cA -0'2- - Q 1 WL-TYPE: Sk r e A N` WL_ACR_EST?: ON WL_SCORE (1k) : MITIGATION_`I'YPE : IS WETLAND RATING SHEET ATTACHED?: Y,? RECOMMENDATION (Circle One): CISSS?U)ISSUE/COND DENY C014MENTS: ? re?ues+ -us TOr- ?-kP.. P,yi n,r OiP A rN Sk;r.ci C FA Je l ('or-,ca k%'%CAN loot-dcrS -4-?•e? % 16 lJjpr-Vptt_c w. Z Ue r (w t1 beJ ???-i-? e? A-v no More--.,, 1menc_-}S +o -'K-Wer, oA? 4-kA r. u. ? ftt '%s Wt1re-A d. ui ,',Ae, Uist?- WAS Mc. cc: Regional Office Central Files UP VALLE CRUCIS QUADRANGLE ITHORITY NORTH CAROLINA %NCH 7.5 MINUTE SERIES (TOPOGRAPHIC) 215 1 428 47 30' 1 180 000 FEET ELIZABETHTON 37 Ml. ` MOUNTAIN CITY 21 Ml. 29 1.5 M1. TO JU CTIO U.S. 421 ANO U. S. 3?I ^` 1431 432 / /,?????? /' 1,??-//' ??? it/l?? j'!??1 ??? ???\\ \`\? J ' ??f ??? C? ;1 ?\? ,1.? ? ?? I `' `;; s ? /??? 41- \? r Iii <7 LUG 3000 ,I ^?LDan en rC?mz ???? ?? / ?? • Valle Cruci?s? 'Nu I \uj o Ul) ?? ? ? r ? `?'? Leo, ?,• 1 stCerP.. CRI? °?ta °TC}?? ?'(lC `?1S?e G BM.MR6 :? \s r. 1? °? ? ?°? ? ,)?);1? ,?• 0° ' 7,01 7? Ville Crucislon ' - _ _ •?, 1\ - cross C ' ??`? ' 1' ?' ?? \-Z,- • • ?? ? Elk Park 5 JAMES G. MARTIN GOVERNOR THOMAS J. HARRELSON SECRETARY d.A STA7i ?? ti STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION P.O. Box 1460 Boone, N.C. 28607 January 12, 1993 Mr. Steve Chapin U.S. Army Corps of Engineers Regulatory Field Office Room 75, Grove Arcade Building 37 Battery Park Avenue Asheville, N.C. 28801 Dear Mr. Chapin: JX-1 2 01993 I' DIVISION OF HIGHWAYS WILLIAM G. MARLEY, JR., P.E. STATE HIGHWAY ADMINISTRATOR The Department of Transportation is scheduled to grade, drain, base, and pave primarily along the existing roadway of SR 1116 Watauga River Road in Watauga County during the 1992 - 1993 Fiscal Year. As part of this project, several pipes with streams will be replaced in the same location. The roadway follows the Watauga River and an unnamed tributary. Therefore, we are requesting a 404 Nationwide Permit for this project. I am sending a roadway typical section, a straight line sketch with the proposed erosion control, general notes on erosion control, some erosion control standards, a plan drawing and cross sections for three proposed encroachments in trout water buffer zone, slope protection calculations and cross sections for a stream from Sta 47+00 to Sta 55+00, and a marked county map. By copy of this letter, I am requesting Mr. Joseph H. Mickey, Jr., N.C. Wildlife Resources Commission District Fisheries Biologist to comment directly to you concerning the 404 Nationwide Permit request. A request will be made for a Temporary Encroachment in the Trout Water Buffer Zone of the Watauga River and an unnamed tributary for this project. I am asking Mr. Mickey to comment directly to me concerning the Trout Water Buffer Zone Encroachment. Also, by copy of this letter, I am requesting authorization to proceed under Section 401 of the Clean Water Act from the Division of Environmental Management. An Equal Opportunity/Affirmative Action Employer Mr. Steve Chapin January 12, 1993 Page 2 SR 1116 Watauga River Road We would like to begin construction as soon as possible. If further information is required, please let me know. Your early review and consideration will be greatly appreciated. Yours truly, Rogld?f Cates, P.E. District Engineer RC:JMB Enclosure -,6q1 265- 5 3?o cc: Mr. Doug Miller, P.E., Regional Engineer, DEHNR Mr. Joseph H. Mickey, Jr., District 7 Fisheries Biologist Mr. Eric Galamb, Water Quality Certification Unit, DEM Mr. W.E. Hoke, P.E., Division 11 Engineer Mr. Neil Trivette, Area Roadside Environmental Engineer Mr. Martin Bolick, County Maintenance Engineer JAMES G. MARTIN GOVERNOR THOMAS J. HARRELSON SECRETARY STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION P.O. Box 1460 Boone, N.C. 28607 January 12, 1993 Mr. Steve Chapin U.S. Army Corps of Engineers Regulatory Field Office Room 75, Grove Arcade Building 37 Battery Park Avenue Asheville, N.C. 28801 Dear Mr. Chapin: 2017'3 ROUP SECTIOtJ DIVISION OF HIGHWAYS WILLIAM G. MARLEY, JR., P.E. STATE HIGHWAY ADMINISTRATOR The Department of Transportation is scheduled to grade, drain, base, and pave primarily along the existing roadway of SR 1116 Watauga River Road in Watauga County during the 1992 - 1993 Fiscal Year. As part of this project, several pipes with streams will be replaced in the same location. The roadway follows the Watauga River and an unnamed tributary. Therefore, we are requesting a 404 Nationwide Permit for this project. I am sending a roadway typical section, a straight line sketch with the proposed erosion control, general notes on erosion control, some erosion control standards, a plan drawing and cross sections for three proposed encroachments in trout water buffer zone, slope protection calculations and cross sections for a stream from Sta 47+00 to Sta 55+00, and a marked county map. By copy of this letter, I am requesting Mr. Joseph H. Mickey, Jr., N.C. Wildlife Resources Commission District Fisheries Biologist to comment directly to you concerning the 404 Nationwide Permit request. A request will be made for a Temporary Encroachment in the Trout Water Buffer Zone of the Watauga River and an unnamed tributary for this project. I am asking Mr. Mickey to comment directly to me concerning the Trout Water Buffer Zone Encroachment. Also, by copy of this letter, I am requesting authorization to proceed under Section 401 of the Clean Water Act from the Division of Environmental Management. An Equal Opportunity/Affirmative Action Employer Mr. Steve Chapin January 12, 1993 Page 2 SR 1116 Watauga River Road We would like to begin construction as soon as possible. If further information is required, please let me know. Your early review and consideration will be greatly appreciated. Yours truly, Rogb-'r Cates, P.E. District Engineer RC:JMB ')uql 2'O - 5310 Enclosure cc: Mr. Doug Miller, P.E., Regional Engineer, DEHNR Mr. Joseph H. Mickey, Jr., District 7 Fisheries Biologist Mr. Eric Galamb, Water Quality Certification Unit, DEM Mr. W.E. Hoke, P.E., Division 11 Engineer Mr. Neil Trivette, Area Roadside Environmental Engineer Mr. Martin Bolick, County Maintenance Engineer f-- DTI /BAS ! SF?'r SGAL +?I?RcP. 8"sec. r I10TtS'. 0.4S.-rp_uc.? Supcacl??nr.o.? J, Ef-T2A vJ10ErJ1/-Ct 0-I GJQJES pAdE ? iS r. @oMMcr IrlioTtf 3TA. 311 -A5 = 4 1e ?`b= j 5 7 L4. S'n% 0-f 00- + /SO r LaptjL $LOpf!? MAirr7Alr1 6%1 ST. Zl'{GNL,NE Tf P 1 c. A L. SEC-T101-1 40. Z I TRop. 4';oe:- PRop. (1I . 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'' .• ' type It C C; t. bbi bitch Lihoe Plp6 Outlet Energy binipAtdr 000 000 0 4 il?0 kip Rap D . ? ` pipe outlet or Inlet etabilizatl.ori { WA?ERe-RenK IN 3 1L-T FMCS ( E,'° F. y 2cV) }-' 32M.R+03 REPLACE= ??p'- I? ?? ??iT Ccn-j GS. .?TAWA R1Vl:P RD. SR Ilifi ?P.aDE Q9A1fl, S, 5 + PSVE E-_2 /DD U>TE II-12-92 Xv i L I ? ?I 54 4+UU r- 3+00 2+M .r ... I-SMIIV Y_c 00 = as3 ! OF PT4T'Ec r OF /JG lVq i 1 PAVED -_DI7cl?__._. -- i le. \ s c u d ui h dy Al A .ti • ?u i 9+00 1 8+00 11Q7E; ?VEP41 '7+0' B 6+00, ?7 E : E'; E r' ? 2 CD' 5+00 1 ? u '4+0 -DBIY??/A?4 VF tyA 1 ± 'EFL-M_E - ?.a.? Cat 94' ---- DRL1/?1./ 4,3+00 I i I t, B ;12-x-00 B ADD 15"C.14.R...-__ 20' .DRIVE WAY I l t 24 I ? ADD IeP 40'-BIL COAT - DL r SS: ?. I f +OQ / i I 1 ? ?7 110+0 O v 17+50 - 20+ 0 1 vi t' --- . .P14: toF:1?F>EA }41.L?11 T t=r=?Y_G 19+00 6+00 i1.,Id VAR 15+34 REFIAcE: W 81T COAT 40' ti. 1 15+00 ;117+00 FRaMa PROP 141-ET M,p 25+50 -40 i 1 3to" I \ Il4 i 1 R:fLAG? = 21' 6lTCcAT - DRIVr WA'{ 12" G.S. DI F: 20' 2000 REFtAGEL = N IV 25+00 24+00 a/ 1 23+00 •. 22 + :•. F-1_ QO 16LAIF tz c AK Yk plc X21+00 i 1 ERMA 120+00 FT-R-V- E " 2¢'/ D, T. COAT G 5, 40 ' Vi ?y o` I \L v GRACE ¢% 24+00- 3Z+50 t I I 1 t :vI 1304-00 IT ? te 29+00 29+03 t 27-x-00 126+00 i . GRADE-_?.%, ---32+50 -3lo+Qq __ - 1 1 i i d di v I 7 dl 6. it 35+00 1 34+00 1 321+00 ;32+00 t5 -.lour- +% 96+_5a- 59+50 IV 0 IV 30+00 38+00 I r a D; 37+00 t RGPLAC-E= 10" SIT. 34r 36+00 i rtRdAK 1s I LL? rme-rs 35+00 RER1aGE -15' BIT. GOAT 301 I DRIVE WAY 44+34 1 ,?1 LMVE WAM 4X+40 L R E TAI I.1 • '12? G.M P 93_? -- _-?? I 4=J I. 1 -GRAps 890 40+5V-424cs, A A 1 44+00 1 ?I 143+00 1 4 2' `.' 0 A 141+0 I i -/5-L3-T?!;04T_,gQ_ f oo REFIACB . Vlbi-f. COAT 40' 1 GRepE ?% 4S??a??Q Q nRIVE weu AP,k Q;? I ? I 1 A 50+00/ a. - I / 49+00 1 O ?)/ ((J I 1 n 48+00 E 1 r? _ h)'Eln-ryPI?P°eK??151LT F?WE 47 0 46+00 45+00 v 1 ,wo 6 ?L 1 53+Iq nr D I '? C.S. QI fC? 20' VKV Eli/AY 5!±?o AGD ?r?"G. S.rIF6 2,9 i I A ya?tiE_ 6°0 50+50-£,4+00 .. 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DRiVf_ tVA4 99140 ? J L ?co - rl /'E - 20• 7T???J? I D A 65 I I I i I 97+00 96+00 I -v , V4.J GENERAL NOTES ON EROSION CONTROL Silt Basin Type B's will be constructed to the dimension of six feet by three feet by three feet unless otherwise noted on the plans. Where slope protection treatment is required, Section 868 and Section 1042 of the 1990 Standard Specifications for Roads and Structures will be followed. Any material obtained from the project must be clean before being placed. Generally, the order of installation of the erosion control measures will be as follows: Temporary Silt Basins shall be installed before clearing and grubbing begins. Silt Fences and Temporary Silt Ditches shall be installed after clearing and before grading. Temporary Stone Ditch Checks shall be installed as soon as ditchline is established. Pipe Outlet and Inlet Protection will be done as soon as the pipe is installed. Seeding and other permanent erosion control measures are to be implemented as soon as practical. ?Q a J I I. = o p BCD - 1 ll j-1-j ??? x dx t i - ? ll HE , ax a W i ? _ ?- U f of- LIJ V a `SD --- --- - -- zO -- - ? z {? j D uAt 0x ? ID Ww a a w w L) D U a (n a? { !o C4 w 1-0 '? o e aW ?? W a <E f W ? q ? D V .? .: I I W C.1 I I( Cr_ LZ O E" o?c m . 7 o e 1? w d ?• Cr,L pow ? rn -? 7. - D w 5 ? e w W woa -D _ H a ?? x w z ?,? ?' '° x w !-? ra'r W Z-= 1 N Q 7 > m wo 0 r P C 4 = o zaZ .a W - - aaoav0°x -3 Z w Q Z-- -.9 z ' -.4 x 6 6 mmm 2=:D== y- m z W Da QW W ..3 ) 094 V c i??Qm ? Ow o ( :) 94 CL Z 94 ax0CZ vxixx W V) Eo °?m WwA?xa?W?wxw Da o AGa1' z W ?DU..t?t-- Flt dtu V]???u C0 uj da o ZU n. u.d.. wz z ow ocu xd m E ox w m H to < .L - dQ Liz 18 March, 1992 II III ? 11??11 = a - IIIII ? IIII 111111 IIIII IIIII _ IIIII ,am IIIII IIfII ? =_ Q IIIII z 11111 ? o ? IIIII W IIIII w 11111 11111 11111 ? II ? I I 111111111111= ct a = - b 11111 IIIII ? IIIII a 11111 11111 IL m C; JC4 ?I in w (L r? ~ ZL5 Z U) 5 Q M z _..) QOW z a to p 07, (r- w O I-E Z Q F- N 0 n 24 March, 1992 a 2s z V ~ W o ao o z ? V z W O ~ O ? j O 0 0 a 0 1 } Wa CLm r F- F- J <E U) z 0 CL x O U Z Z ' \ O , ".? O W L V Z Uo LU <E to O J ' 'i (n W VW ?1 I cn O ?. (n N *,. U ;. U a F- W ^;a C;; fMCo co Li a. Y U W 2 U a?- ?--' 0.0 U xx? O E-tz COw }- ZZT Q oo_ CD ?- F 0 Q f- co f+V q h z u F- w i-- o CO V Z J? O JH F-Jaz O i cnozozz o w cr-U1000 W _ W F- F- ?? x > mzow fn Q. z oz=aro < JUaF-WFL- J Q- W • a z -F- -- Ll. , =o- aWac- o a W -M UOm w , > w cn . cr " u.. O m J ZIrML LQ w(n a w OWW zcn WF- aoF-Oa L O OUazwu z w -- n. o - 28 March,1992 a w 4, tr, a x z AzH w wo t°-'?a°w ? Q?- a. ? Z taa w o2•axwaQ wi ° : " aw acaF? owo- I- Z 4w W. I 1- 0 , w V) 0 a. cd Z 3Z -avvi-f-U°.N(j Xuoz V) HO W. MCL. j W 3F-z W FF ;dILZaxVZ Q=mtn Er) Z w OaWwz FE--tjvimt-r^o dHaa z - < iadNaQawewc a. wa?w Hv?i?azzzvwiaox?'zccw.?xw J o Wxooo zt-owo ut-x Z mwut-u owl...mu -Cot- CL CL ¢ ?? . W ; x 3 0 ? ?a a z uz _ a ?` .?' •, tnN i w N z ? ° z ow Uz 0 Z to w 7- C) w (n O Z z Q D J O IL 0 zL ? J 1 F-- z Q Q O ?-r U U) m IL F- O U? -1_ ?!Q CA F- U W I- 0 zv cr a CL 0-0 a W J ?xx 'Zoom LLJ IL o u; IL E-o U ir O cr Q O Z Q i- Cn 36 Match,1992 .rr5 - •4111 . . Oi - - - - - - - - - - - - - - - - f Q 5 5 ?•y' r? 4•? W y? W W Lli Wi? cr- - - - - - - - - - - - - - - - - R av ° cr e O w 3 w w E- z Q F x z ZO' Z Qx a ° o z wzzt- E- a w F- o¢¢wo ozwv- U. a wc.. w Q zo: m2m m¢Q w Z ?- oooaoww ow ww a.a o fE?W C..fi. Ego w ?2Nf w? ?I ?;r V acrvNi01 Fo zo'nxOzwwowo aoa¢z Uocn °o°oz xwva.ow, E-z w t- z ?I ,.,=5 to FF-..z: z Qxprtn? w 0 w SFO.aO?aF°•??mQ?aOpp> NL V O 14 wViE.4 NgaW¢w14x-7¢x 'nE_° woxood =w Owo xr?'w _f O?z z cauwu -- Wv L mu W-0 IF3 ?t+Sa • ? b z _ ® r 38 March, 1992 Plpt; Ourt,t;-r ENI;RCY DISIPA'IOR: 00 0004 A pipe outlet energy disipator shall be used at pipe outlets to slow the water velocities when it exits the pipe and flows out ditched or natural waterways. It is an apron of stone of a sufficient thickness to protect the outlet area from scouring out and causing off site sedimentation dam- age. Pipe outlet energy disipators should be built according to the guideline chart shown on page 52 of this manual. AREAS Or USE: • Outlets of pipes and culverts to prevent from scouring. DESIGN CRITERIA: • In accordance with chart on page 52. • Filter fabric, or six inch layer of gravel, shall be used under stone. MATERIALS: • Filter Fabric shall tneet requirements of section 1056 of Standard Specifications for Pipe Outlet to Flat Area- No Well-defined Channel A A] - --- J W 1- Plan L? Ott ili??j "U ?3i111 T =uit Section AA 1i ter rahric or GrmclI iycr Where: L = length of apron (it) W = width of apron (ft) D = thickness of stone (in) S = class of stone =MPY I - I R It?gl II?t= Section AA D niter rahric or GraVel Dyer 46a June, 1992 Pipe Outlet to Well-defined Channel (.)(n0 /fJ o ?u 140 ISO a4UV 450 7,oo Ju Poo 4s a 5460 1 1 ?\ I I ? \ 1 1 \ ? A 1 I Ilk 1 , ?? 1 1 .1 1 7 ? 4 I ? 1 Kl i I^ s? I i I 1 ? 1 \ 1 ; t i LEGEN O Fo6r or RIVER RIClI or WAY CANk OF RlY6R I LA 1110 .,IM TA .1 ``A n11.YA //„A- a t{-(oo N a3-roo LEGEND 1?-o6E or- R i UCA PROPbr73 R/O c3 ,Bt,vk of Rive--rz. i.;.+ ? , r ' c -I , J -9'P 1 is r : ,_ s?`T Fete ' ' ' ' .1 ? I ? ` 1 ' r _, 1 , _{- ? J , ?_r , ! 1_;. ? 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I. r t T ., L _ ' ? ? t? _;- ! , ' ' ? ? ? , 1- t - i .. I ? i t .. ? f - ` ? --{ - -- , '? - r -I•? !? .- i I + . } , , , t. -1 , ? : -_ I i 1 ? ! q f ` 1 r I j , i ? 1 1 ? 1 i } I I ! t 1 i i I 1 ' , _ 1 --'- STATE OF NORTH CAROLINA SUBJECT 02-5 CALCUTA- MS PROJECT ,EPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYS WATAUGA RIUEle XQAh (11liTAUCoA COUNTY HIGHWAY BUILDING PREPARED BY DATE STATION P. O. BOX 23201 RALEIGH. NORTH CAROLINA 27811 CHECKED BY DATE STR NO SHEET OF_ 'e -co i I E 412- Q I _ C,QR E T! 0-4 ro Al FIX) R? _ ? E G?q!ti i I t 1 r Ell ' - - - --- -- I _ ? _-: _ _ ' -- _ bu-u l SR 1.116 WATAUGA RIVER ROAD STA 47+68 CROSS SECTION SECTION SHOT 1 ELEVATION -.3 DISTANCE 98 CROSS SECTION SECTION SHOT 2 ELEVATION -5.8 DISTANCE 87 CROSS SECTION SECTION SHOT 3 ELEVATION -5 DISTANCE 71 CROSS SECTION SECTION SHOT 4 ELEVATION -6 DISTANCE 48 CROSS SECTION SECTION SHOT 5 ELEVATION -8 DISTANCE 43 CROSS SECTION SECTION SHOT 6 ELEVATION -8 DISTANCE 32 CROSS SECTION SECTION SHOT 7 ELEVATION -5.7 DISTANCE 28 CROSS SECTION SECTION SHOT 8 ELEVATION -5 DISTANCE 23 CROSS SECTION SECTION SHOT 9 ELEVATION -1.5 DISTANCE 15.2 CROSS SECTION SECTION SHOT 10 ELEVATION 0 DISTANCE 0 SR 1116 WATAUGA RIVER ROAD STA 47+68 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -3 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 92.6 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 18.54286 FEET THE COMPUTED WATER AREA IS 210.3472 SQ. FT. THE WETTED PERIMETER IS 76.23604 FEET im ?`7 -?60 THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 210.3472 / 76.23604 = 2.759157 Q= (1.49/n) X A X (R^(2/3)) X (S"(1/2)) Q = FLOW IN CUBIC FEET PER SECOND n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 210.3472 SQUARE FEET R = 2.759157 FEET S = .04 FEET PER FEET THE COMPUTED Q = 2740.257 CUBIC FEET PER SECOND SR 1116 WATAUGA RIVER ROAD STA 47+68 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -6 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 48 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 28.52174 FEET THE COMPUTED WATER AREA IS 30.47826 SQ. FT. THE WETTED PERIMETER IS 20.39743 FEET THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 30.47826 / 20.39743 = 1.49422 Q= (1.49/n) X A X (R"(2/3)) X (S^(1/2)) Q = FLOW IN CUBIC FEET PER SECOND n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 30.47826 SQUARE FEET R = 1.49422 FEET S = .04 FEET PER FEET THE COMPUTED Q = 263.7973 CUBIC FEET PER SECOND COMPurEv Q = 2&3.7873 > au = 2-13 cr-s 57-A 47-l &8 US c- 02S E? U = -(P SR 1116 WA,TAUGA RIVER ROAD STA 50+00 CROSS SECTION SECTION SHOT 1 ELEVATION .9 DISTANCE 72 CROSS SECTION SECTION SHOT 2 ELEVATION -.3 DISTANCE 58 CROSS SECTION SECTION SHOT 3 ELEVATION -2.9 DISTANCE 44 CROSS SECTION SECTION SHOT 4 ELEVATION -5.6 DISTANCE 40 CROSS SECTION SECTION SHOT 5 ELEVATION -5.6 DISTANCE 35 CROSS SECTION SECTION SHOT 6 ELEVATION -2.8 DISTANCE 33 CROSS SECTION SECTION SHOT 7 ELEVATION -2.3 DISTANCE 19 CROSS SECTION SECTION SHOT 8 ELEVATION -1.3 DISTANCE 16 CROSS SECTION SECTION SHOT 9 ELEVATION -1.1 DISTANCE 14.4 CROSS SECTION SECTION SHOT 10 ELEVATION 0 DISTANCE 0 SR 1116 WATAUGA RIVER ROAD STA 50+00 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -3 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 43.85185 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 33.14286 FEET THE COMPUTED WATER AREA IS 20.42169 SQ. FT. THE WETTED PERIMETER IS 12.84238 FEET so f 00 THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 20.42169 / 12.84238 = 1.59018 Q= (1.49/n) X A X (R"(2/3)) X (S"(1/2)) Q = FLOW IN CUBIC FEET PER SECOND n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 20.42169 SQUARE FEET R = 1.59018 FEET S = .04 FEET PER FEET THE COMPUTED Q = 184.2438 CUBIC FEET PER SECOND SR 1116 WATAUGA RIVER ROAD STA 50+00 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -2 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 48.84616 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 18.1 FEET THE COMPUTED WATER AREA IS 41.41577 SQ. FT. THE WETTED PERIMETER IS 33.15353 FEET THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 41.41577 / 33.15353 = 1.249212 Q= (1.49/n) X A X (R"(2/3)) X (S"(1/2)) Q = FLOW IN CUBIC FEET PER SECOND n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 41.41577 SQUARE FEET R = 1.249212 FEET S = .04 FEET PER FEET THE COMPUTED Q = 318.1219 CUBIC FEET PER SECOND COQ PUT760 Q = 3/$. /2/q > 6?ZS = 213 CFS .5 7r4 5-0 t60 use (!Z2s 6660 = - 2. SR 1116 WATAUGA RIVER ROAD STA 51+00 CROSS SECTION SECTION SHOT 1 ELEVATION -.5 DISTANCE 75 CROSS SECTION SECTION SHOT 2 ELEVATION -.9 DISTANCE 60 CROSS SECTION SECTION SHOT 3 ELEVATION -2.5 DISTANCE 48 CROSS SECTION SECTION SHOT 4 ELEVATION -4 DISTANCE 43 CROSS SECTION SECTION SHOT 5 ELEVATION -5.8 DISTANCE 38 CROSS SECTION SECTION SHOT 6 ELEVATION -5.8 DISTANCE 33 CROSS SECTION SECTION SHOT 7 ELEVATION -4.5 DISTANCE 30 CROSS SECTION SECTION SHOT 8 ELEVATION -3.7 DISTANCE 24 CROSS SECTION SECTION SHOT 9 ELEVATION -.3 DISTANCE 18 CROSS SECTION SECTION SHOT 10 ELEVATION 0 DISTANCE 0 SR 1116 WATAUGA RIVER ROAD STA 51+00 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -3 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 46.33333 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 22.76471 FEET THE COMPUTED WATER AREA IS 38.64903 SQ. FT. a...r va.?uau• VuVL iJ A. V • V Y /n S IZf4 S l \e'}/'''oo THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 38.64903 / 24.53673 = 1.57515 Q= (1.49/n) X A X (R"(2/3)) X (S"(1/2)) Q = FLOW IN CUBIC FEET PER SECOND n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 38.64903 SQUARE FEET R. = 1.57515 FEET S = .04 FEET PER FEET THE COMPUTED Q = 346.4896 CUBIC FEET PER SECOND cOM M7'EA Q=7 346,40rfG > o2s = 213 CF-5 S_Cp 67l-?0 0 GISE Qzs 6 LE 0 = - 3 SR 1116 WATAUGA RIVER ROAD STA 51+00 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -3.5 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 44.66667 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 23.64706 FEET THE COMPUTED WATER AREA IS 27.50197 SQ. FT. THE WETTED PERIMETER IS 21.78251 FEET THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 27.50197 / 21.78251 = 1.262571 Q= (1.49/n) X A X (R^(2/3)) X (S^(1/2)) Q = FLOW IN CUBIC FEET PER SECOND n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 27.50197 SQUARE FEET R = 1.262571 FEET S = .04 FEET PER FEET THE COMPUTED Q = 212.7509 CUBIC FEET PER SECOND SR 1116 WATAUGA RIVER ROAD STA 52+56 CROSS SECTION SECTION SHOT 1 ELEVATION 1 DISTANCE 44 CROSS SECTION SECTION SHOT 2 ELEVATION .3 DISTANCE 34 CROSS SECTION SECTION SHOT 3 ELEVATION -5.2 DISTANCE 28 CROSS SECTION SECTION SHOT 4 ELEVATION -5.2 DISTANCE 21 CROSS SECTION SECTION SHOT 5 ELEVATION -4.7 DISTANCE 19 CROSS SECTION SECTION SHOT 6 ELEVATION .7 DISTANCE 15 CROSS SECTION SECTION SHOT 7 ELEVATION 0 DISTANCE 0 SR 1116 WATAUGA RIVER ROAD STA 52+56 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -3 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 30.4 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 17.74074 FEET THE COMPUTED WATER AREA IS 23.01037 SQ. FT. THE WETTED PERIMETER IS 14.43291 FEET THE STREAM SLOPE IS .04 THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 23.01037 / 14.43291 = 1.594299 Q= (1.49/n) X A X (R^(2/3)) X (S"(1/2)) ?/ri -c 1 ?%LJ n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 23.01037 SQUARE FEET R = 1.594299 FEET S = .04 FEET PER FEET THE COMPUTED Q = 207.9571 CUBIC FEET PER SECOND . SR 1116 WATAUGA RIVER ROAD STA 52+56 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -2.2 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 31.27273 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 17.14815 FEET THE COMPUTED WATER AREA IS 33.72391 SQ. FT. THE WETTED PERIMETER IS 16.6124 FEET THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 33.72391 / 16.6124 = 2.030045 Q= (1.49/n) X A X (R"(2/3)) X (S"(1/2)) Q = FLOW IN CUBIC FEET PER SECOND n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 33.72391 SQUARE FEET R = 2.030045 FEET S = .04 FEET PER FEET THE COMPUTED Q = 358.0514 CUBIC FEET PER SECOND COMPUTEb 0,= 35, 5. 0,514 ? Q2S = 2-13 Srh 5Z-FS6 usc- Qzs E6GU= _2, 2 SR 1116 WATAUGA RIVER ROAD STA 53+32 CROSS SECTION SECTION SHOT 1 ELEVATION .4 DISTANCE 47 CROSS SECTION SECTION SHOT 2 ELEVATION -1 DISTANCE 37 CROSS SECTION SECTION SHOT 3 ELEVATION -2 DISTANCE 32 CROSS SECTION SECTION SHOT 4 ELEVATION -5 DISTANCE 29 CROSS SECTION SECTION SHOT 5 ELEVATION -5 DISTANCE 21.4 CROSS SECTION SECTION SHOT 6 ELEVATION .6 DISTANCE 13 CROSS SECT ION SECTION SHOT 7 ELEVATION 0 DISTANCE 0 SR 1116 WATAUGA RIVER ROAD STA 53+32 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -3 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 31 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 18.4 FEET THE COMPUTED WATER AREA IS 20.2 SQ. FT,. THE WETTED PERIMETER IS 14.03398 FEET THE STREAM SLOPE IS .04 THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 20.2 / 14.03398 = 1.439364 0= (1.49/n) X A X (R"(2/3)) X (S"(1/2)) Q = FLOW IN CUBIC FEET PER SECOND -D(ft ?- n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 20.2 SQUARE FEET R = 1.439364 FEET S = .04 FEET PER FEET THE COMPUTED Q = 170.5306 CUBIC FEET PER SECOND SR 1116 WATAUGA RIVER ROAD STA 53+32 THE ASSUMED WATER ELEVATION (EXISTING CENTERLINE = 0) IS -2 THE 1st INTERSECTION OF WATER IS AT A DISTANCE OF 32 FEET THE 2nd INTERSECTION OF WATER IS AT A DISTANCE OF 16.9 FEET THE COMPUTED WATER AREA IS 34.05 SQ. FT. THE WETTED PERIMETER IS 17.25097 FEET THE HYDRAULIC RADIUS = AREA OF WATER / WETTED PERIMETER = 34.05 / 17.25097 = 1.973802 Q= (1.49/n) X A X W(2/3)) X (S"(1/2)) Q = FLOW IN CUBIC FEET PER SECOND n = CHANNEL ROUGHNESS COEFFICIENT (AVERAGE n = 0.045) A = CROSS SECTIONAL AREA OF WATER, SQUARE FEET R = HYDRAULIC RADIUS = A/WETTED PERIMETER, FEET S = STREAM SLOPE, FEET PER FEET n = .045 A = 34.05 SQUARE FEET R = 1.973802 FEET S = .04 FEET PER FEET THE COMPUTED Q = 354.8052 CUBIC FEET PER SECOND c044 puM0 Q _ .354, 90.5 2 > 0zs = 213 cis 57- A 534 3 0 u.S C Q2 s E& V= - 2 }- _ 1 ?- - -f - • -i - ? ..} -1 - - - h- - L - -i - - ? i - - f- }_; - - - i l -r ? t ± i ? t } 1 ..;_ ...I .1 _. - . -?_? _ - . _ . ?.i -t = -T - •- - - - -- - .- - .++ _ _ _ r } j ___ 1 ._r?? = _ . - _i __,_? ::? . - ?.- -} --' . } ?-?..f i - (:_ _ . :: _ t j:. r f_ - E... . _ `_, - .: -l i_ ??._ - - _ - ? j l I l l i ' ? i I I I I ? _ T . T- V - qq tit, 1 y j f -1 -1 1 - 1 -1 1 - - 1 41- ( 4 111 t 1 4 . d ? I ? t ? ?? 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I ? _ 1 I ? . 1 l -, ? - - - '- ? i : }: #:+: 11 1 :! ? t ? I:I + t ? k ! I?? L ; i - ,- ? { ?_ ? { I 1 ... - , . . 1. . .- . . _ 1. _j _ : .i. _ .! i..ti__ I 1 ?-1 I I ? .i V ? ?-I. i.' i i. }. 1 1 t ?i. ? ?_? . ? ? t 1 : y t ' ' 1 1 i l ? I 1 1 1 ? I j ? ± I i ! -? 1 {-?-} , 1 1 -. - _ . ... . . _ t_, ... ,.. I__ ......t- . -r r I .L- V-1 r } t 14- f -,- , r 1 ! ! r S s 1 10 m*t 10"t 67 L F .p RR 1 ]?? 10 6A 76' I 0 f NA/K,RIO Rf O MIN G Q(V. 531 AA o V 5R 1116 WATAQGA RIvrtz ROAD GRADE I ARAINi MSE I AND PAVP, LEN&TW : 1.91 MILIr WATAUGd 7aWNSHl1° WATAU6ta COUNTY { Y ?e 1J7? .f? °1 C A L D W E L L t4 11J it UIL L4? 112 Vq t