Roughened channel definition

Roughened channel means a fishway designed to provide fish passage which encompasses the
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Roughened channel means a fishway designed to provide fish passage which encompasses the entire stream channel and may be over-steepened relative to the long-channel streambed profile, including but not limited to nature-like rock, rock ramp, or engineered-streambed fishways.¶
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Roughened channel. An artificially built channel downstream of a culvert designed to alleviate a perch and match conditions in the surrounding streambed. • In water work period: Guidelines for timing of in water work, developed by ODFW and established to avoid impacts to the vulnerable life stages of native migratory fish including migration, spawning and rearing. • The rules, laws, and other references material regarding NMF passage regulations can be found below: o Oregon Fish Passage Rules. o Oregon Plan for Salmon and Watersheds. o Oregon Fish Passage Statues. Background‌ ODOT and ODFW are implementing a five-year programmatic agreement for culvert repair in Oregon spanning 2018 to 2022. The Oregon Fish and Wildlife Commission approved the CRPA as a programmatic approval under Oregon fish passage rules (OAR 635-412-0020(3)b). This allows ODOT to make specific short-term critical repairs to aging culverts without meeting full fish passage criteria at the repair location, but still providing a benefit to NMF over the status quo by improving fish passage at each site repaired. This agreement follows and expands on a previous three-year pilot project for western Oregon. Under the pilot CRPA, ODOT was able to avoid over 70 million dollars of cost to repair instead of replacing these failing culverts ODOT 2019. This new five-year agreement expands the service area to a statewide scale and allows the CRPA to be used on high priority fish passage barriers. With both CRPAs, ODOT and ODFW continue to advance the Oregon Plan for Salmon and Watersheds habitat restoration goals, while allowing repairs to critical transportation infrastructure in locations that are lower priorities for fish passage in a cost- effective manner. As a condition of the agreement, ODOT agreed to pay $2 million into an ODFW-managed account to fund high priority fish passage projects off the state highway system to offset delays in meeting full fish passage criteria at culvert repair locations. This payment allows ODOT to use the agreement on 40 projects, with the opportunity for ODOT to pay an additional $50,000 for each culvert repaired once the first 40 are complete. ODOT also committed to continue funding the ODOT Fish Passage Program to address the highest priority fish passage projects on the state highway system. In addition, ODOT funded two transportation liaison positions within ODFW, to coordinate the agreement’s implementation and develop a database of ODOT culverts that includes fish presence, pa...
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Examples of Roughened channel in a sentence

  • Such refinements are anticipated to include: • Roughened channel design to pass 100-year flood with minimal but acceptable damages to the bed form and key boulder structure elements.

  • Roughened channel cross-sections are shaped to create a smooth transition from upstream and downstream to maintain both a natural aesthetic and provide minimal interruption to stream processes.


More Definitions of Roughened channel

Roughened channel means a fishway which encompasses the entire stream channel and is over-steepend relative to the long-channel streambed profile, including but not limited to nature-like, rock, rock ramp, or engineered-streambed fishways.
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Roughened channel means a fishway designed to provide fish passage and which encompasses
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