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<br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />-4 <br /> <br />FLOOD HAZARD AREA DELINEA TION <br />Upper Lena Gulch <br /> <br />For <br />and Flood Control <br /> <br />Urban <br /> <br />Drainage <br /> <br />District <br /> <br />I'~\) FLOoO <br />x- co <br />1 ba!ta ~ <br />;;: lID E5 <br />'" r- <br />o ,$? <br />'Vb--. ::'l <br />&Hn . 1')\'0 <br /> <br />Jefferson County, City of Golden, City of Lakewood <br /> <br /> <br />URBAN DRAINAGE AND FLOOD <br />CONTROL DISTRICT BOUNDARY <br /> <br />SHEET INDEX <br /> <br />1 <br />2 <br />3 <br />. <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />" <br />15 <br />16 <br />17 <br />18 <br /> <br />COVER <br />PLAN AND PROFILE SHEET INDEX - , <br />PLAN AND PROFILE SHEET INDEX - 2 <br />STA TlON 450+00 TO 470+00 LENA GULCH <br />STATION 425+00 TO 450+00 LENA GULCH <br />STATION 400+00 TO 425+00 lENA GULCH <br />STATION 374+00 TO 400+00 LENA GULCH <br />STATION 350+00 TO 374+00 LENA GULCH <br />STATION 327+00 TO 350+00 lENA GULCH <br />STATION 303+00 TO 327+00 lENA GULCH <br />STATION 275+00 TO 303+00 LENA GULCH <br />STA TlQN 246+00 TO 275+00 LENA GULCH <br />STATTON 219+00 TO 246+00 lENA GULCH <br />STATION 191+00 TO 219+00 LENA GULCH <br />STATION 163+00 TO 191+00 LENA GULCH <br />STATION 24+00 TO 40+05 PLEASANT VIEW TRIBUTARY <br />STATION 0+00 TO 24+00 PLEASANT VIEW TRIBUTARY <br />STATION 0+00 TO 28+75 APEX GULCH <br />STATION 0+00 TO 28+75 APEX GULCH PLAN <br />DRAINAGE STRUCTURE CROSS-SECTIONS <br />DRAINAGE STRUCTURE CROSS SECTIONS <br /> <br />DOUGLAS <br />i'.. <br />.'" <br />~~ <br /> <br />1 <br />) <br />\ <br /> <br />UPPER <br />LENA <br />GULCH <br />BASIN <br /> <br />MILES <br />o 5 10 15 <br />~-- t.., <br />o 5 10 <br />KILOMETERS <br /> <br />20 <br />, I <br />15 <br /> <br />VICINITY MAP <br /> <br />URBAN DRAINAGE AND FLOOD CONTROL DISTRICT <br />JEFFERSON COUIlTY. CITY OF GOLDEN. CITY OF lAKEWOOD <br /> <br />GENERAL NOTES <br /> <br /> <br />ALL HYDRAULIC CROSS-SECTION DATA IS MEASURED LEFT TO <br />RIGHT LOOKING DOWNSTREAM. <br /> <br />DISCHARGES AND VELOClTlES TABULATED IN FLOODWAY TAaLES <br />ARE TOTAL flOW AND MAIN CHANNEL VELOCITY UNLESS NOTED <br />OTHERWISE. WHERE MAJOR FLOW spurs OCCUR. THE <br />DISCHARGES DOWN EACH FLOW PATH ARE SHOwN ON THE <br />DRAWINGS. 'WHERE CHANNEL FLOW IS SUPER-CRlTlCAL <br />THE FLOOD ELEVATIONS ARE BASED ON CRITICAL DEPTH. <br /> <br />FLOODPLAIN LIMITS AND WATER SURFACE ELEVATIONS ARE BASED <br />ON CHANNEL AND ROAD CROSSING CONDIllONS AT THE TIME OF <br />PUBLICA TlON. THE USER IS ADVISED to CONTACT THE URBAN <br />DRAINAGE AND F'LOOD CONTROL DISTRICT TO DETERMINE IF <br />MODIFICATIONS OR REVISIONS TO THE INFORMA nON PORTRAYED IN <br />THIS REPORT HAVE OCCURRED. <br /> <br />ALL GROUND ELEVATIONS ARE USGS DATUM, MEAN SEA LEVEL. <br /> <br />\ <br />l <br /> <br />LEGEND <br /> <br />100- YEAR flOODPLAIN LIMITS <br />-1 HYDRAULIC MODEL CROSS-SECTION <br />100-YEAR WATER SURFACE PROFILE <br />- - - - - - - 10- YEAR WATER SURf ACE PROFILE <br />~ 100-YEAR WATER SURfACE ELEVATION CONTOURS <br /> <br />455.43 I <br /> <br />- - - - CITY/COUNTY LIMIT BOUNDARIES <br /> <br />FLOOD HAZARD AREA DELlNEA 110N <br />UPPER LENA GULCH <br /> <br />FLOODPLAIN DELlNEA 110N <br /> <br />COVER <br />