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<br />PLATE 1I!-6 <br /> <br /> <br />NOTES <br />l THIS DRAWING IS A PLANNING SHEET WHICH <br />, REPRESENTS PREUMINARY ENGINEERING AND <br />~: SHOULD NOT IE UIED FOR CONSTRUCTION. <br /> <br />j: 2.100 YEAR STORM PROFILE SHOWN IS lASED ON <br />COMPlETION OF ALL PROJECT FEATURES. <br />. '__,' MH 0 Lon' " .' ;....... " ....- <br />~ ,'< a 8 <br />.... I'P' <br /> <br />",. <br />~< <br />" <br />-, <br />"0 <br />". <br /> <br />""'- <br /> <br />"" <br /> <br />~ <br /> <br />"" <br /> <br />'00 <br /> <br /> <br /> <br /> <br />100 YEAR FLOW DEPTH <br /> <br />ASPHALT PAVEMEN~ <br />EXISTING "loS' <br />BOX CULVERT <br /> <br /> <br />PROPOSED lOin RCP CULVERT <br />OR "Il e' BOX CULVERT <br /> <br />GRASS SLOPE <br /> <br /> <br />UNING <br /> <br />NORTH VALLEY PARKING LOT <br /> <br />'l WASHIN.GTON STREET _. <br />PROVIDE RIPRAP ON SLOPES <br />DIS OF BRIDGE <br /> <br /> <br /> <br />STA. 19+60 TO ''''+50 <br /> <br />100 YEAR STORM PROFilE <br /> <br />- TYPICAL CHANNEL SECTION <br /> <br />TYPICAL SECTION <br />STA.95+50 TO 104+00 <br /> <br />. 0 <br /> <br />NQRTH BANK PROFILE <br /> <br />EXISTING' <br /> <br />"II 6' BOX CULVERT _ <br />DISCHARGE CAPACITY 700 cis <br /> <br />ADD ONE 9'.6' BOX CULVERT <br />OR 108. ACP CULVERT. <br />ADDITIONAL DISCHARGE <br />CAPACITY. TOO cis <br /> <br />10- WATER <br /> <br />ELECTRIC CABLE <br /> <br />_ EXISTING BRIDGE DISCHARGE CA CITY- <br />ADEQUATE TO PASS 100 YEAR FLOOD - - ~ :=:-. :==- =.=- ::- <br />FLOW w/o OVERTOPPING ROAD <br /> <br />4. GAS <br />EXISTING CONCRETE LINING:::: <br /> <br /> <br />~ DOWNING D.RIVE <br />PftQVIDE ftlPRAP ON nOPE <br />01 O..f_ I!!DGE <br /> <br />"10 <br /> <br />PROPOSED' <br /> <br />4. GAS <br />__t__n <br />10. WATER <br /> <br />'0 <br /> <br />!!ITA g4+!0 TO 104.. 00 <br />10 YEAR STORM DISCHARGE. 86' eft <br />10 YEAR STORM VElOCITY .15.2 fp. <br />100 YEAR STORM DISCHARGE. 1210 eh <br />100 YEAR STORM VELOCITY. 16.5 fps <br />DESIGN STORM. 100 YEA STORM <br /> <br />=-~TA.RO...OO TO 94+-50 ------ <br />~ IOYEAR STORM DISCHARGE. 1140 eh _ ___ <br />-- 10 YEAR STORM VELOCITY. 16.9 fps ===- --- <br />___ 100 YEAR STORM DISCHARGE- IB7! eft_ <br />==- 100 YEAR STORM VELOCITY - 17.8 fp. <br />.- DESIGN STORM. 100 YEAR STORM <br /> <br />EXISTING !IRIDGE DISCHARGE CAPA ITY <br />ADEQUATE TO PASS 100 YEAR FLOOD <br />FLOW w/O OVERTOPPING ROAD <br /> <br />160 <br /> <br />. <br /> <br />'00 <br /> <br />100"'00 <br /> <br />9!HOC <br /> <br />00.00 <br /> <br />.."'" <br /> <br />.0.00 <br /> <br />75too <br /> <br />CITY OF FEDERAL HEIGHTS <br /> <br />ADAMS COUNTY <br /> <br />CITY OF THORNTON <br /> <br />NIVER CREEK <br /> <br />NIVER CREEK <br />STA. 7!l+OO TO I04+!lO <br /> <br />Sh..t "of II <br /> <br />INO eoMT"OI. SUItVE.Y n YUIlIC_. eGY_V <br />AL 'ItOTOOIlU'H'." MUltrell. co........" <br />IlIlA'HIC IiIA"'"'.' ..EItRICI(.COIiI......y <br />roulI ''''TUVAl I": OAT( now'" "-15-72 <br /> <br />[NGINEER: <br />ENGINEERING CONSUlTArtTS,INC. <br />DENVER. COLORADO <br /> <br />DUIGIftO It.D_'.,I.M. OATt <br />OIlAWN D.D.t. OATt <br />clite_tolto.s DolT[ <br />IlEV'UO OATt <br />IItvlUD DArt <br /> <br />'-11-74 <br />1-10-74 <br />'-U-74 <br /> <br />URBAN DRAINAGE AND FLOOD CONTROL DISTRICT <br /> <br />MAJOR DRAINAGEWAY PLANNING <br />