Open Space Advisory Board Agenda and Packet 2018 06 13

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City of Longmont 2015 Requests Lead Status 1 St. Vrain Greenway. The City of Longmont would request continued development of the St Vrain Greenway, in a westerly direction; in particular, providing financial support for trail development west of Golden Ponds to Airport Road, and eventually to Pella Ponds, if the City and County do not receive funding through the National Disaster Resiliency Competition. Additionally, this request includes a trail connection north to Lake McIntosh. The City is also requesting the County negotiate a trail alignment to 17th Avenue and potentially participate in an underpass at 17th Avenue. This connection between the St Vrain Greenway and Lake McIntosh would accomplish a significant County / City connection. POS & TRANS Boulder County Transportation, Parks and Open Space and Longmont Natural Resources have worked together to design a trail connection between Golden Ponds and Pella Ponds, a/k/a Pella Crossing. POS is currently repairing flood damage to the Pella Ponds trail system. With the annexation of the Golden property between Golden Ponds and Airport Road into Longmont, the City of Longmont is planning to design and construct portions of the trail through that property in 2017 - 18. Once complete, Boulder County may be ready to reapply for GOCO funding and begin construction of the trail segment between Airport Road and Pella Ponds. In that segment, Boulder County is still working to secure necessary trail easements and confirm or revise the design in light of recent POS acquisitions that may provide flexibility for the trail route. Boulder County is also working to negotiate a trail alignment to 17th Avenue, but nothing is feasible at this time. 2 Lefthand Creek Corridor improvements at 95th Street. The City of Longmont is requesting assistance with stabilization and riparian improvements within the Lefthand Creek corridor to ensure safe trail passage along this corridor, along the LOBO trail, under the 95th Street bridge and continuing east to the confluence of the St Vrain Creek. Stream sediment upstream of Longmont continues to be a burden downstream. Stream bank stabilization and corridor improvements upstream from Longmont would protect the flood basin capacity, enhance the trail experience and protect downstream habitat and infrastructure. TR Boulder County Transportation is working with the POS department and the City of Longmont to address this issue. There are a number of creek restoration projects occurring upstream of this location, the sum of which will hopefully reduce the amount of sediment and debris flowing through and under the 95th Street Bridge. Parks & Open Space will complete the Bielins-Hock stream stabilization project in 2017 to address bank stabilization. On-going communication is planned with respect to sedimentation issues. 38