Agenda Date: 11/07/2017
Subject:
Title
A resolution authorizing a second amendment to the Intergovernmental Agreement between the City and the Urban Drainage and Flood Control District for stream stabilization improvements on Jackass Gulch.
Body
Presented By:
Keith Reester, Acting Public Works Director
POLICY QUESTION:
Does city council wish to amend Intergovernmental Agreement 14-05.06 to commit additional funds to continue construction of improvements on Jackass Gulch?
BACKGROUND:
A study session was held on October 10 to discuss the Jackass Gulch stabilization project and the need for additional funds in 2017 to meet the construction schedule and budget. The total funding necessary for this project in 2017 from the City of Littleton is $200,000.
An amendment to the IGA with Urban Drainage and Flood Control District was approved on October 17, 2017 (Resolution 43-2017) using existing budget appropriation of $100,000 in the Littleton Stormwater and Flood Management Utility Fund.
This second amendment to the IGA with Urban Drainage and Flood Control District is required to allow for the additional $100,000 appropriation that is being considered on tonight's agenda as an ordinance on second reading.
Jackass Gulch is a natural stream running along the north side of West Mineral Avenue, from the High Line Canal to the railroad corridor. West of the railroad corridor the drainageway is contained in a storm sewer pipe, which outlets in the South Platte Park and drains to the South Platte River, south of the West Mineral Avenue bridge.
Last year, construction began on stream enhancement of the South Platte River in South Platte Park, downstream of West Mineral Avenue. The work created a natural appearance low flow channel, gravel bars, riffles, pools, glides, bank stabilization and planting areas. There is concern these river improvements may be jeopardized by relatively high volumes of sediment entering the river from erosion along Jackass Gulch.
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