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FLOOD02466
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FLOOD02466
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Last modified
1/25/2010 6:24:32 PM
Creation date
10/4/2006 10:54:51 PM
Metadata
Fields
Template:
Floodplain Documents
County
Boulder
Community
Longmont
Stream Name
Upper St. Vrain Creek
Basin
South Platte
Title
Floodplain Information Report
Date
9/1/1972
Prepared For
Boulder County
Prepared By
US Army Corps of Engineers
Contract/PO #
&&
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />Standard Project Flood <br />Thetloodthatmaybe€l'<pectodfrCf'lthemostseverecCl':1bina- <br />tion of "otoorologic~1 and hydrological conditions that are considered <br />re~sonabl y .charactor istic of the gaograpl, ieal area in whiCh the dr~i n- <br />age basin is located, excluding oxtr~.oly rare combinations. Peak <br />discharges for these flOQds are ge<1Orally about 4)-60 percent of the <br />Prooable.'4axlmumFloodsforthesar:lobasins. As sued by the Corps of <br />Engineers, Standard ProJoct Floods are Intended as practicable Blpres- <br />slons of the degroe of protection that should bo sought in the design <br />of flood control works,thefallureofwhlchmightbodlsastroos. <br /> <br />Top of w~terway <br />This Is the rool of the opening In a stream crossing through <br />which water flows under nOrm<l1 conditions. It Is the underside of <br />t-he dock spiln-sanetimes called "Iowsteol," the roof of a box cul- <br />vert or the crown of on arched or clrcuiar culvert. <br /> <br />" <br />
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