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<br />HEC-2 WEIR/SPLIT FLOW LINE <br /> <br />,OOYR SPILL FLOODING <br />FLOW NOT CONNECTED <br />TO MAIN CHANNEL <br />PROFILE <br /> <br />500 YEAR FLOOD <br />BOUNDARY LINE <br /> <br />1 00 YEAR FLOOD <br />BOUNDARY LINES <br /> <br />CREEK CENTERLINE <br /> <br />500 YEAR FLOOD <br />BOUNDARY LINE <br /> <br />HORIZONTAL SURVEY <br />BENCHMARK <br /> <br />~ ~~~~NC. <br />..-24eo".26thAre...Suae3400 <br />o.rr.er,CoIofodo&:l211 <br />(JOJ)4~3eOOFAX4~-gg29 <br /> <br />DRAWN BY: DRD <br /> <br />CHECKED BY: KJC <br /> <br />DATE: 5 30 96 <br />TEA PROJ. NO. 40 <br /> <br /> <br />Z-~ - <br /> <br />OUTLET STRUCTURE 'viI 21' RCP INLET, <br />GRATED INLET, AND 72' CMP OUTLET <br /> <br /> <br />21' RCP DRAINS TO POND <br /> <br />ROAD LO'vl PNT=5316.4 <br /> <br />TOP OF BERM MIN ELEV=5315.4 <br /> <br /> <br />HEC-2 CROSS SECTION <br />(TIED TO TEA STATIONING) <br /> <br />/ STATIONING <br />ALONG CENTERLINE <br />OF CREEK <br />+00 <br /> <br />BASE FLOOD <br />ELEVATION LINE <br /> <br />LEGEND <br /> <br />FLOOD INSURANCE STUDY WORK MAP <br />BULLHEAD GULCH <br /> <br />----. <br /> <br />BULLHEAD GULCH <br />INDIAN PEAKS REGIONAL DETENTIONAL FACILITY <br />(PONDX) <br /> <br />-- - ......1111'....,...,. <br /> <br />4233 <br /> <br />NOTE: <br />LO'vl FLO'vl CHANNEL <br />ASSUMED IN 100- AND <br />500- YEAR FLOODPLAINS (NOT MODELED IN HEC-2) <br /> <br />LO'vl FLO'vlS RUN THROUGH HISTORIC BULLHEAD GULCH CHANNEL <br />TO INLET BOX, THEN UNDER 95TH STREET IN 72' CMP. HIGHER <br />FLO'vlS RUN INTO POND VIA NE'vI CHANNEL AND 12' CMP, THEN <br />TO SAME OUTLET STRUCTURE/72' CMP NOTED ABOVE <br /> <br />NOTE: <br />TUTTLE APPLEGATE, INC, 11/96 <br />PROPOSED CHANNEL SECTION <br />USED IN HEC-2 ANALYSIS <br />CHANNEL AND PONDS CONSTRUCTED AS OF 5/98. <br /> <br />MAPPING AND POND DESIGN BY: <br />TUTTLE APPLEGATE, INC. <br /> <br />(XI STJ NG CONTOURS AND SPllT ELEVATI DNS <br />OBTAINED FROM HURST AND ASSOCIATES, <br />BOUlDER. COLORADO, BOUNDARY IR. D, \I <br />OBTAI NED FROM CI TY or LAfAYETTE ANN(XATI DN <br />PlAT AND QVERLAYED ONTO THI S BASE MAP. <br /> <br />~~# <br /> <br />200 0 200 <br />~ I <br /> <br />Scale 1" 200 ft <br />CONTOUR INTERVAL 2 FT <br /> <br />600 <br />I <br /> <br />SHEET NO. <br /> <br />8- <br />