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FLOOD PLAIN AND FLOOOWAY REFERENCE DATA ct.E'~770N WITf/ AII/N/MuM FJl:EEt!JOA/(O Al3OYe: /00 y)(. ROOO CQVSIOIEi<EO AOVISA~ rv.A: ROOO- P~OF/NG, F/C-L, 0;:<' 8///<O/IVG GI<40"'~ € OF CHMfNEL--.j ~'-ooo PCA/AI VVAT..E".R SURFACE OF Sf2ECTE'o F'OOO WITH ENCI<!.OACNM€/VT /N (F~IIVGE.. A~6AS. \ F~/NGe \ AREA FLOODING SOURCE I LU:.JO i'LA]NLlA1A I LcJuc.iO:;'Y ...'1,,;>, 100 YR fo-LOOD 100 YR FLOOD SlR[AM BED \'~~~~A~~6~tSf 100 YR FLOOD FLOOQ'.AY WIDTH eFT) (3) FLOOD,IAY ~IAT[ R BASIN STATlON(1) PEAK FLOW AVERAGE VELOCITY ELEVATION PLAIN WIO-rH SURFACE ELEVATION DESIGNATION IDENTIFICATION (eFS> (FPS) (MSL) (MSl) (FT) LEFT RIGHT TOTAL (MSLl 9+00 1200 3,5 5353.0 5354.4 933 146 6B 214 5354.9 NEVADA DITCH 21+00 1050 6,' 5372.0 5374.6 133 33 27 60 5375.1 PLATTE CANYON RD, 35+00 9<0 5,7 5391.0 5395.3 8D 21 18 39 5395.8 PLATTE CANYON DITCH 48+00 96D 7,1 5411.0 5414.2 1DD 2D 23 " 5414.7 - SHERIDAN BLVD. " 59+00 860 8,3 5424.0 5428.7 53 2D 27 " 5429.2 " DEPEW ST. " 77+00 73D 5,8 5453.0 5454.6 "4 26 52 5455.1 00 26 ~~ KENDALL BLVD. 89+00 63D 2,7 5475.0 5482.9 178 21 22 " 5483.4 ":= 91+80 6DD 2,1 5479.8 5487.1 173 15 3D 5487.6 U~ 15 '. LAMAR ST. "" 100+50 57D 5,8 5493.0 " 5494.8 98 19 19 26 5495.3 ~ PIERCE ST. 114+50 53D 1.1 5520.0 5523.6 192 69 69 138 5524.1 PORTLAND AVE. 124+00 535 8,1 5529.5 5532.8 35 10 9 19 5533.2 WEBSTER AVE. 136+40 525 D,S 5546.5 5553.2 188 81 81 162 5553.7 QUARTO DR. 144+50 <9D 2,5 5559.5 5562.9 92 11 " 58 5563.4 WADSWORTH 160+00 49D l.D 55g3.5 5590.0 152 63 72 135 5590.5 NEVADA DITCH 6+00 9<0 3,' 5313.0 5375.9 280 52 169 221 5316.4 - 24+00 94D . 5399.0 5403.3 1,140 15 " 69 5403.8 " ~ PLATTE CANYON RD. 0 34+40 960 l.D 5417.0 5423.9 431 44 296 34D 5424.4 ~ 7,' 5428.0 5430.1 75 5430.6 39+00 72D 1.:? 29 41 0 SHERIDAN CT, , u AMES WAY 47+00 740 1.2 5439.0 5443.0 37D 45 33 78 5443.5 :g m ~~ 57+00 75D U 5453.0 5456.7 3D 3D 6D 5457.2 0 KEN CARYL RD. 235 i "= 60+00 1000 1.9 5451.0 5460.5 93 22 115 5461.0 >~ I ". 66+00 94D 9,2 5459.0 5463.2 39 16 16 32 5463.7 ." ~ KENDALL BLVD. " 82+50 875 8,8 5483.0 5487.7 <0 16 16 32 5488.2 " 56 " 86+50 80D U 5489.0 5493.5 13 13 27 5494.0 " NEWLAND BLVD. " 96+25 7DD 4,6 5504.5 5512.3 51 16 16 32 5512.8 " 0 PIERCE ST. , z PIERCE CT. 104+50 70D 1,1 5532.0 5535.0 "D <04 23 427 5535.5 ViAr~ .suRf""i4.CE OF laD Y.E;4J(. Ft..OOD FOA:: ,EXISTING CtfANNEC COIVO/TlONS, LOW;::-c'OV1/' vVAT.6(' LEVeL CIIANNet.. NOTES: I. MAXIMUM OF Go /N O~ ~.ESS /J=.so EST;4EJe./SHEO BY' (/;(8A./V .o~A/NAGe A/V.o I="t:.Oc:>o CO/,/r~OL I(eGUc.AT/O/'/5. ~. r#E. '="OODWA,y ,=",q/NG#- sf/OUl.O NO~MA<:t..Y IS.E CON510,elteo AS THE AREA t!JErW.e;/E/'I THE FLOO.oWAY L/MIT ANa THE uMlr OF /00 YeA"r;c F.'t..OOO pLA/N AS C.OIVG AS THE. eNCJ;?oACHMEA/T /<E.St./LT.5 /N 0#(. V AI\/" /NS/GA//F/CA/l/r //VC/<EA5E. (cess ,!IAN t;,,//V.) //'./ THE. VVAT..E".< SU~FACE. 0;::: TilE SE~ECTeO FL.OOD FL.OOD PLAIN AND RoaOWAY SECTION 111 121 (3) DISTANCE IN FEET FRD~ THE BEGINNING SECTION UNDER EXISTING CHANNEL CONDITIONS. ' FROM CENTER OF CHANNEL LOOKING DOWNSTREAM OF BASIN. LEGEND "'-'" PRnFTLE CENTER LINE OF CREEK EXISTING CHANNEL INVERT -------- 100 YEAR FLOOD BOUNDARY UNDER PROPOSED CHANNEL IMPROVEMENTS PROPOSED CHANNEL INVERT --- 100 YEAR FLOOD BOUNDARY UNDER EXISTING CHANNEL CONDITIONS ~ RIPRAP ---- lOOYEA.R FLOODWATER SURFACE PROFILE UNDER PROPOSED CHANNEL iMPROVEMENTS rn :c::.::o: GASION DROP STRUCTURE 100 YEAR FLOOD WATER SURFACE PROFILE UNDER eXISTING CHANNEL CONDITIONS PROPOSED INVERTED SIPHON j.l ... ~ T EMBANKMENTS '-- r r T ~L~ (' i "; EXISTING WATERWAY CROSSINGS GA.BION DROP STRUCTURE 5+00 FLOOD PLAIN DATA - CROSS SECTION LOCATION AND STATION EMBANKMENTS _R/W_ PUBLIC RIGHT-OF-WAY __ E__ DRAINAGE EASEMENT ~ ~ CHANNEL CROSS SECTION LOCATION ANO STATION ~ ~ CHANNEL CROSS SECTION LOCATION ANO STATION DES. yo. CHzM .. HILL URBAN DRAINAGE ARAPAHOE AND COUNTY FLOOD CONTROL 'JEFFERSON COUNTY DISTRICT SHEET 2 DR, CHK.q/'lf{ APPD. FLOOD PLAIN AND FLOODWAY REFERENCE DATA oFIS DATE,JULY 1976 ~~~'OS590-0 NO, DATE REVISION BY APPD.