Colorado Public Works Journal, Winter 2022

SPOTLIGHT ACEC AWARDS 20| ColoradoPublic Works Journal Robinson Diversion Modification Project Merit Awards Consulting Engineer: RiverRestoration.org Client/Owner: Pitkin County Healthy Rivers RiverRestoration.org, LLC (RiverRestoration) worked closely with Pitkin County Healthy Rivers and the Robinson Ditch Company to develop a preferred alternative that met the Project’s goals. RiverRestoration held an extensive series of meetings with a wide variety of project stakeholders, including Colorado Parks and Wildlife, Eagle County, Town of Basalt, Trout Unlimited, and the Roaring Fork Fishing Guide Alliance to develop a Project that balances the needs of the community and the river. The design team took a rigorous approach, developing two dimensional hydraulic models to analyze the proposed design and evaluate its performance for fish passage, boat passage, channel stability, sediment transport, and water delivery. The Project also required a Letter of Map Revision (LOMR) with FEMA. San Luis Valley Regional Airport Master Plan Merit Awards Consulting Engineer: Armstrong Consultants Client: San Luis Valley Regional Airport As a result of these combined efforts, the Airport was able to obtain their FAR Part 139 certificate in order to obtain United Airlines service to Denver which conducted its first scheduled flight into ALS on November 1, 2020 operating the 50-seat CRJ-200 aircraft. Furthermore, the Airport is now equipped with an Airport Mater Plan and updated Airport Layout Plan set, to include a 20-year development plan to guide their future projects for years to come and ensure continued growth and success. Thornton Water Treatment Plant Replacement Merit Awards Consulting Engineer: Burns & McDonnell Engineering Company Client: City of Thornton To provide operational flexibility, Burns & McDonnell designed the new TWTP with a raw water blending room so that operators can isolate or blend the water sources coming into the plant. Having multiple chemical injection points throughout the treatment train aids in operational flexibility and creates opportunities for cost savings on chemicals. This feature, combined with strategically placed instrumentation, allows Thornton to quickly respond to significant variations in water source quality. The plant also has hydraulic capacity for emergency treatment during high-flow periods.

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