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~ ~ SCOPE LOCATION AND DESCRIPTION CWCB staff will direct the. The contract will on~ly be for the final design of detention dam facility, identifcatian of pennit requirements and nece:ssary {and acquisition, as developed for the Bosl~y Wash Drainage Master Plan. The Bosley Wash Watershed is located in Me:~a Counry. Bosley Wash is a right bank tributary of the Colorado River. The watershed experienced major flooding during July and August 1999. As a result of concerns and complaints from local residents, the GJDD and Mesa County requested the assistance of the CWCB in the implementation of flood protecticm measures on Bosley Wash. The detention dam is the preferred flood protection alternative. PAYMENT The CWCB contract shall be a fixed fee contr~ict in the amount of $50,000 for the performance tasks and deliverables. The CWCB must approve the consultanYs project costs proposal. OBJECTIVE The objective of this Scope is to develop a fin~il project design, identify permit requirements, compute project construction quantities and costs, and ~prepare bid and construction documents, Right-of-Way parcel maps for the construction of the flood pirotection/detention dam on Bosley Wash. The dam design shall be for a minimurn of 100-year flood protection level and designed to State dam safety standards for a Minor, Class II dam. PROJECT PERFORMANCE TASKS Following is an outline of representative tasks that the Consultant shall perform in order to fulfill the Objective of this Scope. A. Co0lect Information and Reviews (Cos1t $5,000) 1. Review the designated Bosley Wash Flloodplain Information and Mesa County Flood Insurance Study for the study watershed. 2. Secure the Bosley Wash Drainage Ma;~ter Plan for: • Phase I Watershed Floodplain [)eline~tion dated July 2002; • Phase II Alternative Drainage F,acility Evaluation dated November 2002; and • Phase III Preliminary Design dated July 2003. 3. Review the Watershed Work Plan for thie Indian Wash Watershed; Mesa County, Colorado dated September 1961. 4. Contact appropriate CWCB, GJDD, County, City, and/or Town officials via telephone or rr~eeting to obtain as much information as possible regarding the project. 5. May contact private citizens and others only in cases where local officials provide a contact list for project assistance. 6. Coordinate with GJDD to develop the s~:ope of surveying and geo4echnical investigations that will be required for the project design. GJDD will provide all field data including but not limited to mapping and surveys. GJDD has aerial photographs for the watershed dated 2001. GJDD will also provide geotechnical information for the project site.