City Council Agenda and Packet 2010 10 05

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Description, Alternative Evaluation, Recommended Plan, and Conceptual Design. 5. A map showing the area and all recommended improvements. 6. Tabular and narrative summaries of costs showing costs for capital improvements, engineering/administrative /contingencies, and land values, all sorted by drainageway reach, tributary, and outfall system, and by jurisdiction. The reach length (miles), tributary catchment area (square miles), and their totals should also be included in the table. Incorporate the following notes on each drawing: "This drawing is for master planning purposes and represents preliminary and conceptual engineering. Alternatives to this outfall system will be considered by local agencies and the Urban Drainage and Flood Control District provided the alternative offers an equivalent intent of the plan, including hydraulic capacity, water quality, stream stability and natural waterway features. The alternative must comply with all requirements of the local jurisdiction and the Urban Drainage and Flood Control District. In addition, there may be State and Federal requirements that will need to be considered and met. This drawing does not provide a final design and shall not be used for construction purposes." "Local Cities, Towns, and Counties manage and regulate all land use change, development and redevelopment activities within and adjacent to the 100 -year floodplains in order to prevent, to a maximum extent possible, future flood damages to buildings and structures from the 100 year flood and to minimize damages from larger floods. The recommendations of this plan provide a set of options subscribed to by Cities, Towns and Counties in carrying out their floodplain management and regulatory responsibilities and obligations." "Many activities that occur in or affect ditches, drainages, creeks, ponds or wetlands require a Section 404 Permit Authorization from the US Army Corps of Engineers. During preliminary design, and prior to final design or starting work, contact the Corps' Denver Regulatory Office at 303 - 979 -4120 for appropriate permit authority to avoid compromising and delaying the completion of the project." ADDITIONAL DIRECTION I. Unit costs should be updated to reflect the most current costs available. 2. Include an Acknowledgements section listing all participants and stakeholders in this study. Include in the list their name, organization and function in the planning process (e.g., City of Golden staff: provided review and input. Or, John Doe: attended two progress meetings and provided the following input: ). 3. Show all maintenance access routes along all reaches. To the extent feasible, the alignment of these routes shall be coordinated with existing and planned recreational trails identified using input provided by Sponsors, special districts and other local stakeholders. 4. Summarize cost estimates of improvements by jurisdiction where those improvements are Selected Plan: Lafayette - Louisville Boundary OSP 4 43