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___ . __ _ _ _ _ _ ~ ~ Exhibit A SC~PE OF SERVICES AsoNe~ded Fl~od Hazard Assessments ~W~B Floc~d Protection Program October 2007 CONSULTANT For the piuposes of this Scope bf Services (Scope), the consulting engineer (Consultant) shall be Ayres Associates Inc. 'The Coloradp Water Conservation Board (CWCB) is the project Sponsor. The maximurr.~ State funding to the Consultant for this Scope of Services is 50 000. SUMMARY OF 12E0UESTE~ WORK The Consultant sh~all perform fleldwork, data collection, data analyses, report writing, and othe~~ tasks necessary to compflete flood ha.zazd assignments and services in support of the CWCB Flood Protection Program. This scope shall become valid or~ce an approved work authorization has been received by the Consultan.t, and sh;all continue to be in effect through June 30, 2008. AUTHORITY Accordin€; to Sec;tion 37-60-106(1)(c) of the Colorado Revised Statutes, the Colorado Water Conservation Boaz~d has the pov~rer and dut~: "..,, to devi:>e and formulate methods, means and plans for bringing about the greater utilization af the waters pf the state and the prevention of flood damages therefrom ..." PROJEC'T LOCA,TION AND DESCRIP'TION CWCB st,~ff has i~ientified individual study areas in Colorado in need of flood hazard assess~cnents based on staff coor~dination witl~ local interests. The identified study areas are based on collaborative efforts between the. CWCB and local stakeholders. The work is intended to support the CWCB flood hazard mapping program, stre~m restoration program, community assistance program, and flood response program. Specific study area:~ for this work authorization are: Flood Hazard Identification ($25,000}- Consultant shall complete detailed flood hazard inforn:iation (limited detailed c-r approxim~te information may be substituted on a case-by-case basis via communir~ consent and so long as detailled hydrology is provided as prescribed in the CWCB's floodplain rules and regulations) for stream reaches located in requested communities. The stream reaches ane based on high priarity needs within the state as a result of growth and develop~ment pressure, a.nd insufficient/inadec~uate infonnation shown on existing Flood Insurance Rate Maps or U.S.G.S. fl'~ood-prone quadrangl~ maps, or mew studies being performed in coordination with the Map Modernization Pro~am. Target' communities include Las Animas, Rifle, Florence, Grand Junc.tion, Elbert County, and Woodland Park. Actual work done will be determined based on several far,tors, including local neeci, local suppbrt, and level of local budgets available for cost-sharing. Consultant shall perfo~rm worl~: such as cqmputing 100-year peak flood flow values, developing HEC-RAS hydraulic rnodels, a~nd delineati~g regulatory floodplains for the streams identified. A brief w:ritten report shall be compiled to document the assumptions, methodologies, and results of the study. `JVork will be done in conf~rnlance with FEMA M~p Mod requirements.