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<br />a <br /> <br />Qualification.f{Jr the Colorado Water Conservation Board <br /> <br /> <br />o <br /> <br />D <br /> <br />o <br /> <br />I] <br /> <br />I~ <br /> <br />Q <br /> <br />!j <br /> <br />I~ <br /> <br />o <br /> <br />~--.". <br />~c'... ',..-..,.. ~ <br />~- -'" ,.'- <br />"-'\ . ~,.'. <br />"'-,,. ,.,"It.. <br />_...l..,jr.'~ <br /> <br />~ <br /> <br />Each year Parsons conducts detailed HEC.RAS/GIS flood plain hydrology and hydraulic studies at hundreds of <br />Union Pacific Railroad bridges throughout their 22 state network. <br /> <br />I~ <br /> <br />Parsons ES also provides the UPRR with ex- <br />pert forensic analysis of flood damage claims by <br />property owners along the waterways crossed by <br />railroad tracks, This involves application of the <br />best-available technologies in modeling hydro- <br />logic and hydraulic processes, and establishing <br />flood hazard and risk data, Risk-based versus fre- <br />quency,based design of bridge waterways is often <br />used to establish true value of tlood control facili- <br />ties incorporated in UPRR river crossings, <br /> <br />Years Performed: 1997 to Present <br />Client: Union Pacific Railroad <br />1416 Dodge Street, Room 1000 <br />Omaha, NE 68179 <br />Contact: Mr. Mark McCune, P.E. <br />(402) 271- 5194 <br />(see Performance Review in Ap- <br />pendix) <br /> <br />lJ <br /> <br />[] <br /> <br />[] <br /> <br />o <br /> <br />o <br /> <br />IJ <br /> <br />Colorado Department of Transporta- <br />tion Bridge Waterway Design <br /> <br />Parsons ES has provided the Colorado De- <br />partment of Transportation (COOT), Region 2 <br />with hydrologic and hydraulic design engineering <br />services for the safety improvement upgrades be- <br />ing constructed along State Highway (SH) 115 <br />from Colorado Springs to Canyon City, Colorado, <br />Parsons ES uses the COOT criteria for sizing wa- <br />terways at bridge openings and designs them to <br />conform to local and state FEMA regulations, <br /> <br />This project involves roadway widening, <br />which impacts six waterway crossings of tribu- <br />taries to the Arkansas River Basin that are located <br />in FEMA-regulated floodplains. The CWCB's <br />publication, "Guidelines for Determining 100- <br />year Flood Flows for Approximate Floodplains in <br /> <br />m-1789,tloc <br /> <br />1-7 <br /> <br />~PARSDNS <br /> <br />IJ <br />