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Handy and Hertha Dam Breach Analysis

Client Name

Handy Ditch Company

Location

Berthoud, CO

Completion Date

Summer 2020

In support of an emergency action plan, Galloway completed a hydraulic analysis of a breach of Handy Dam and Hertha Dam. The hydraulic breach analysis was conducted using a two-dimensional hydraulic model created in the Army Corps of Engineers’ Hydraulic Engineering Center River Analysis System (HEC-RAS) software. The hydraulic analysis determined the resulting floodplain from each breach as well as key hydraulic parameters including depth of inundation, flow rate and velocity at any given time during the dam breach.

Contact

Chris Pauley

PE, CFM

Water Resources Team Manager

970.800.3300 Contact Me

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