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<br />o <br /> <br />Qualification for the Colorado Water Conservation Board <br /> <br /> <br />~ <br /> <br />;.. Fonnation of a storm water utility, <br />;.. Preparation of CLOMR for a FEMA Flood- <br />way Revision, <br />;.. Evaluation of bike trail impacts on base t100d <br />elevations (BFE's) in Clear Creek, <br />,. Design of riprap bank protection at the City's <br />water wheel. <br />,. Design of storm water collection and man- <br />agement facilities throughout the City, <br />;.. Rehabilitated a rock-fill water supply intake <br />diversion dam on Chicago Creek. <br /> <br />o <br /> <br />o <br />o <br /> <br />o <br /> <br />Only the FEMA Floodway Revision is de- <br />scribed here. The City's satisfaction with Parsons <br />ES services is illustrated by the fact that the engi- <br />neering services contract with the city has been <br />renewed three times, <br /> <br />D <br /> <br />[} <br /> <br />u <br /> <br />u <br /> <br />~ <br /> <br />r <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />~ <br /> <br />...... <br /> <br />In 1997, two of the same hydraulic engineers <br />proposed for this project conducted a hydrologic <br />and hydraulic analysis for the City of Idaho <br />Springs and Colorado Department of Transporta, <br />tion (COOT) for portions of Clear Creek. This <br />analysis determined potential changes in flood way <br />and t100dplain boundaries related to in-channel <br />changes associated with widening of 1-70 and in- <br />stream drop structures, and with additions of rock <br />riprap to support a segment of a bike trail. <br /> <br />Parsons ES conducted the hydrologic and hy- <br />draulic analyses and prepared a FEMA application <br />for a Conditional Letter of Map Revision <br />(CLOMR) for a Floodway Revision" The <br />CLOMR incorporated revisions in the BFE that <br />would occur after construction of miscellaneous <br /> <br />,- <br />.,!!<, <br />,:}'f'li' <br />';;,,"'~~'''''. <br />-., ~~~, v' . . !~ <br />.}:....:," - <br /> <br />D <br /> <br />Clear Creek Floodway through Idaho Springs <br /> <br />n <br />n <br /> <br />m-17S9,doc <br /> <br />1-5 <br /> <br />~PARSDNS <br />