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Water Supply Reserve Account -Grant Application Form <br />Form Revised May 2007 <br />Attachment 1- Scope of Work <br />Summarized below is the proposed Scope of Work. <br />I. Task 1-Data Acquisition and Site Reconnaissance <br />• Identification of existing study and reports (geomorphic, planning, hydrologic and hydraulic); Acquire <br />USGS and Chatfield Reservoir Reallocation (CRR) flow data for study area (Dartmouth Avenue to 20th <br />Street) and hydraulic model, if available. Acquire and review Urban Drainage and Flood Control District <br />(UDFCD) studies including: <br />o Phase B Major Drainageway Planning study <br />o Geomorphic Assessment at Surveyed Cross-sections <br />o Flood Hazard Area Delineation <br />Acquire Federal Emergency and Management Agency (FEMA) floodplain mapping and Flood <br />Information Study, if available. <br />• Conduct field investigation in Study Area identifying the location, type, and quality of existing aquatic <br />habitat and recreational features. <br />• Deliverable will include a technical memorandum (TM) summarizing existing geomorphic, hydrologic, <br />hydraulic, habitat and recreational characteristics as well as potential impacts to habitat and recreation <br />from CRR flows. TM will include Study Area mapping summarizing existing river channel <br />characteristics. <br />Task 2 - Assessment of Opportunities and Challenges <br />• Based on existing hydrology and proposed CRR flows identify opportunities to enhance aquatic habitat <br />and increase recreational opportunities within the Study Area utilizing the information collected in Task <br />1. <br />• Aquatic habitat enhancements will be based on the physical needs of target species. Target species will be <br />identified in consultation with Colorado Division of Wildlife personnel. Physical needs include such <br />channel characteristics as depth and velocity of flow; geomorphic river features such as riffles, glides and <br />pools; aquatic and overhanging riparian vegetation and rock and wood snags for protective cover and <br />forage; and backwater pool refugia. <br />• Opportunities for both passive (e.g., wildlife viewing) and active (e.g., boating, fishing) recreational <br />activities will be identified. <br />• Challenges and constraints to implementing aquatic and recreational improvements will be identified <br />during this Task. Options to overcoming challenges and eliminating constraints will be identified. <br />• Deliverable will include a TM that includes recommendations for implementable habitat and recreation <br />improvements. This TM will include mapping identifying improvement locations and typical details of <br />13