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Home
Guy Woods Blog & Website
Urban Trout Hatchery 2023
Spawning
West Nose Creek Willows
Jumpingpound Creek
Bighill Creek
The Middle Bow River
Millennium Creek's Trout
Planting The Water's Edge
Horse Creek Crossing
Tree Wrapping For Beavers
West Nose Ground Water
Big Spring Creek
The 2022 Trout Hatch
Bighill Creek Vandalism
Lateral Margin Habitat
Bio-Engineering Habitat
Ranch House Spring Creek
Examining a Pool Habitat
  • Millennium Creek Project
Examining a Pool Habitat
Stream Tender Magazine
Indigenous Opportunities
BVHD Website
Stream Tender Magazine 2
Creek Maintenance
Spawning Channel
Building a log v-weir
Bighill Creek Movie 2023!
Bighill Creek Anthology
Caddis Fly Larvae
Ghost Bay Re-contouring
Millennium Creek's Pools
Mill. Crk Spawning 2014
Mitford Trout Pond Deeper
Spawning Under Bridge
Head Start Planting Tech.
Update - BVRR&E Program
Canmore Creek Project- 98
Smith Dorrian Bull Trout
Bow River Boulder Project
West Nose Creek Trout
Willows in a Bucket
Anatomy of a Pool Habitat
Stream Bank Erosion 2023
Millennium Creek Story
The Three Amigos Update!
The First Day 2023!
Pool Habitats that Work!
Guy Woods Movie and Video
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  • Home
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  • Urban Trout Hatchery 2023
  • Spawning
  • West Nose Creek Willows
  • Jumpingpound Creek
  • Bighill Creek
  • The Middle Bow River
  • Millennium Creek's Trout
  • Planting The Water's Edge
  • Horse Creek Crossing
  • Tree Wrapping For Beavers
  • West Nose Ground Water
  • Big Spring Creek
  • The 2022 Trout Hatch
  • Bighill Creek Vandalism
  • Lateral Margin Habitat
  • Bio-Engineering Habitat
  • Ranch House Spring Creek
  • Examining a Pool Habitat
    • Millennium Creek Project
  • Examining a Pool Habitat
  • Stream Tender Magazine
  • Indigenous Opportunities
  • BVHD Website
  • Stream Tender Magazine 2
  • Creek Maintenance
  • Spawning Channel
  • Building a log v-weir
  • Bighill Creek Movie 2023!
  • Bighill Creek Anthology
  • Caddis Fly Larvae
  • Ghost Bay Re-contouring
  • Millennium Creek's Pools
  • Mill. Crk Spawning 2014
  • Mitford Trout Pond Deeper
  • Spawning Under Bridge
  • Head Start Planting Tech.
  • Update - BVRR&E Program
  • Canmore Creek Project- 98
  • Smith Dorrian Bull Trout
  • Bow River Boulder Project
  • West Nose Creek Trout
  • Willows in a Bucket
  • Anatomy of a Pool Habitat
  • Stream Bank Erosion 2023
  • Millennium Creek Story
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Horse Creek Crossing culvert


    A Project For The Future

      

    The Cochrane’s own lower end of a creek that doesn’t get much help or attention these days is Horse Creek. My travels have not included any trips to have a look at the Horse Creek Crossing on the railway tracks going out of the present-day town of Cochrane. However, Evan Martens was kind enough to send me a few photos of the site and it was really disappointing to see that the rail company has yet to resolve this issue, with the culvert that blocks fish migration upstream, including trout.


    My attempts in the past, to get something done to resolve this matter involving the crossing were in vain, and I ended up being told by the rail company engineers that I would have to pay for the work that would involve replacing the culvert, which is ridiculous of course. All that was necessary was permission to modify the existing culvert and elevate the pool habitat directly below the crossing.


    By simply elevating the pool habitat, the hydraulic drop would be eliminated and fish could migrate upstream. I have since, successfully completed the exact same project on a river crossing compensation contract, on the Athabasca River, so it does work!

    Designing Culvert crossings

    The photo on the right shows a culvert that I worked on near the Athabasca River. The crossing bed and downstream outflow were created by my design ideas, while working with ATCO Pipelines engineers on the crossing design and enhancement work that BVHD completed.


    The bed is comprised of boulder placements, held in place by a large cobble river rock, using a bed anchor design of mine called a cobble blanket anchor. The tightly fitted cobble is like a cobble stone road built in ancient Roman roads and highways, and it holds the larger boulders, which were also bedded into the substrate before the blanket anchor was built.


    The project recieved my onsite oversight and with the good contractors crew, we had the project done and finished in no time. The main road was a major logging company road, with many thousands of dollars of timber and oilfield trucks that could not afford to be held up, so we did the job in a few days.



      

    The trout need clear passage up small feeder streams that cross roads, so newer, modern design and implementation are the new order of things. When trout swim up a culvert, they need some current breaks to allow them to rest, and not expend too much energy trying to cross upstream. The rougher the bottom material, and larger, the more resistance that is created along the stream bed, which is called tractive force by hydrologists.

    The Roughness factor

    The roughness factor is a measurement of how much tractive force there is on a particular reach of stream channel. This roughness factor has been emulated with a number of different design approaches, but by keeping it natural, the chances of a blowout are low, if the desing criteria is followed.


    The blanket anchor works as one cohesive unit when there is contact between the stones, during placement. This contact creates a solid mass of heavy stone weight that while placed securely on the bottom, is situated in a high velocity of flow, slowed thru the influences created by high tractive force.

    how is your trout vision?

    Can You Spot The Trout

    There's much to see here. So, take your time, look around, and see how your ability to spot trout is.


    Just a hint; The small trout cannot make the big water plunge, to pass upstream of this culvert.

    Now You See, or maybe not?

    location Revealed

    The trout can't jump the drop of the culvert, so it cannot migrate upstream, like trout normally do by instinct. This and many other trout need a break, and a properly designed culvert will do the job!

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