Bypass fishway – Planning and design
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In addition to the general information for all fishway types, the following applies to bypass fishways.
The gradient of bypass fishways is typically 1:50 (vertical:horizontal), however some newer hybrid designs have been successful with a gradient of 1:40 (Andrew Berghuis pers comm.). Resting pools are typically used for every 1 m rise in vertical elevation and some designs include oversized resting pools with a range of habitats that provide habitat complexity, and associated protection from predation and resting habitat for all expected species and size classes (Andrew Berghuis pers comm.).
Disclaimer: In addition to the standard disclaimer located at the bottom of the page, please note the Fishways (biopassage structures) disclaimer.
Last updated: 10 May 2021
This page should be cited as:
Department of Environment and Science, Queensland (2021) Bypass fishway – Planning and design, WetlandInfo website, accessed 13 May 2021. Available at: https://wetlandinfo.des.qld.gov.au/wetlands/management/fish-passage/technologies/fishway-options/bypass/planning-design.html