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  1. #1076
    Join Date
    Dec 2002
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    cow hampshire
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    7,432
    Quote Originally Posted by raisingarizona13 View Post
    Ever hear about the bike park the Canadians have at that little ski area called Whistler?
    Canada? Do they speak American there?

  2. #1077
    Join Date
    Aug 2014
    Location
    Imaginationland
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    4,649
    Quote Originally Posted by jackstraw View Post
    Canada? Do they speak American there?
    No. They speak metric

  3. #1078
    Join Date
    Dec 2007
    Location
    Hell Track
    Posts
    12,440
    Quote Originally Posted by NW_SKIER View Post
    No. They speak metric
    Well, sometimes. Their dialect often shifts between metric and imperial inexplicably.

  4. #1079
    Join Date
    Dec 2002
    Location
    cow hampshire
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    7,432
    Quote Originally Posted by NW_SKIER View Post
    No. They speak metric
    Ah Metric! I've always wanted to learn, but Americans like 12 better than 10. Bigger is always better for Americans

  5. #1080
    Join Date
    Dec 2002
    Location
    cow hampshire
    Posts
    7,432
    We were just tasked with four new builds before March. If the snow holds off we may be able to pull it off. It it doesn't we're phucked. The land is going to a town vote, so the goal is to have it complete before then.

    My plan is just blow them out and then go back and reroute/fix everything thats a mess after the fact, assuming (big ASSumption!) established trails will be grandfathered, therefore tweaks will be able to be made.

  6. #1081
    Join Date
    Dec 2010
    Posts
    2,658
    Quote Originally Posted by jackstraw View Post
    We were just tasked with four new builds before March. If the snow holds off we may be able to pull it off. It it doesn't we're phucked. The land is going to a town vote, so the goal is to have it complete before then.

    My plan is just blow them out and then go back and reroute/fix everything thats a mess after the fact, assuming (big ASSumption!) established trails will be grandfathered, therefore tweaks will be able to be made.
    Rake N Ride! and then figure it out later.

  7. #1082
    Join Date
    Dec 2002
    Location
    cow hampshire
    Posts
    7,432
    Yup. Gonna use the blower, rake, and chainsaw. Aim for all the boulders and features, go around them and then go back and incorporate into the trail later. This area has to have B-lines anyway, so it should work out fine.

  8. #1083
    Join Date
    Jan 2009
    Location
    Hyde Park, Vt
    Posts
    768
    Quote Originally Posted by californiagrown View Post
    Rake N Ride! and then figure it out later.
    My favorite trail system is 100 percent rake and ride. Cady Falls Nursery

    So is my backyard trail build, I bench cut just the spot that needed it.



    I find rake and ride especially trail with out any "borders" like guide stones, tend to be flowier than 99 percent of machine built flow in this area. Why every new trail in the Stowe Area has to be machine built is beyond me, except Serenity and Adrenaline which I ill freely admit is well beyond my skinny skill.

  9. #1084
    Join Date
    Dec 2002
    Location
    cow hampshire
    Posts
    7,432
    We opened two new ones yesterday. Pretty psyched to blow these ones out. In the little bit of digging we were amazed at the quality of dirt! That never happens in the granite state! Tweaks will need to be made like usual.
    Nice little natural airs mixed in.

    Got the skinny plane cut too. More friendly for the masses.

  10. #1085
    Join Date
    Dec 2002
    Location
    cow hampshire
    Posts
    7,432
    Three more finished up this weekend. I was part of two of them, not the slow tech line, but that one is fun. I think we're done for now except cleaning landings and tweaking. Pretty happy as the two we finished are primarily Downs with very little pedaling.

  11. #1086
    Join Date
    Dec 2002
    Location
    cow hampshire
    Posts
    7,432
    A local Mason and rippin mtn biker built this trail. This turn is awesome. Super tight and techy rock berm. One specific line and if your on it, it flows perfectly, otherwise not so much. Could not get a good pic from perspective going into it. My bike is off trail behind the corner.

  12. #1087
    Join Date
    Dec 2009
    Location
    Paradise
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    4,691
    Great stuff in here lately!

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    dirtbag, not a dentist

  13. #1088
    Join Date
    Dec 2009
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    Paradise
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    4,691
    More from the project in Kingman.

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    dirtbag, not a dentist

  14. #1089
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    Dec 2009
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  15. #1090
    Join Date
    Aug 2002
    Location
    PA
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    2,348
    Anyone ever use a home foundation water barrier to help keep trail/pump track from getting water across the trail tread?

    Few roller troughs of my pump track are adjacent to a big hill and getting hammered by water and subsequently bad frost heaving.


    Sent from my iPhone using Tapatalk

  16. #1091
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    Dec 2009
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    Quote Originally Posted by VTskibum View Post
    Anyone ever use a home foundation water barrier to help keep trail/pump track from getting water across the trail tread?

    Few roller troughs of my pump track are adjacent to a big hill and getting hammered by water and subsequently bad frost heaving.


    Sent from my iPhone using Tapatalk
    I don't but I'd love to see a photo of the problem spot. Can you build in some culvert piping to get it to drain?
    dirtbag, not a dentist

  17. #1092
    Join Date
    Dec 2007
    Location
    Hell Track
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    12,440
    Quote Originally Posted by VTskibum View Post
    Anyone ever use a home foundation water barrier to help keep trail/pump track from getting water across the trail tread?

    Few roller troughs of my pump track are adjacent to a big hill and getting hammered by water and subsequently bad frost heaving.


    Sent from my iPhone using Tapatalk
    I've used buried perforated pipe to pull water away from a pump track and put it further down the hill. Worked ok-ish.

    Ultimately, I find the problem is that pump tracks generally need to be pretty damn dry to not rut out, and no matter what I've done, there's always gonna be some moisture hanging around during wet weather.

  18. #1093
    Join Date
    Aug 2002
    Location
    PA
    Posts
    2,348

    Dig stoke, who else likes to play in the dirt???

    I

    Steep uphill from grass to right of picture, so groundwater running into low spot and now major frost heave. Somewhat inevitable given location, hoping to minimize it to keep it a bit drier. Kicking around a trench at grass-line go divert water or the foundation barrier at edge of grass line here.

    Zoomed out, middle roller next to grass where all the water flowing into troughs.



    Sent from my iPhone using Tapatalk

  19. #1094
    Join Date
    Feb 2014
    Location
    NorCal coast
    Posts
    1,429
    Quote Originally Posted by VTskibum View Post
    Anyone ever use a home foundation water barrier to help keep trail/pump track from getting water across the trail tread?

    Few roller troughs of my pump track are adjacent to a big hill and getting hammered by water and subsequently bad frost heaving.


    Sent from my iPhone using Tapatalk
    We've experimented with a few things on local trails. In a couple spots we buried French drain perforated pipe (without fabric cover) and it works well at first but eventually silts up. This doesn't work as well in clayey soils (i.e. my backyard french drains don't work well), and a lot of pump tracks have a significant amount of clay in them. Adding filter fabric and drain rock around the perforated pipe really helps for french drains, provided the soil itself around drains.

    For trails:
    Other spots have mined out chunks of rock, buried them in the drain line, and filled in with dirt. Works ok (water follows the rocks but can't stay and puddle since the rocks are impermeable), doesn't require maintenance, but only works where there is rock (or where you want rock). Finally, the hackiest way is to simply bury a ~4-6" branch across the trail. Like the rock trick, the water will follow the branch. The advantage to this is when it starts to get kind of rutted or silted out, you can just lift up the branch, clean out the slot, replace the branch, and put in the most sandy soil you can find nearby.

  20. #1095
    Join Date
    Sep 2006
    Location
    Rossland BC
    Posts
    1,699
    We use standard foundation drainage systems all the time to deal with persistent seeps adjacent to or directly under trails. Plan your drainage, dig it out, lay down your filter cloth, position your perforated pipe, fill with drain rock (or whatever rock you can find), wrap the whole thing with the filter cloth, and cap with dirt. Works a charm. Click image for larger version. 

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  21. #1096
    Join Date
    Jan 2005
    Location
    Keep Tacoma Feared
    Posts
    4,617
    I can't tell from that photo but are you using one of those cloth sock things around the drain pipe too? So filter cloth around the actual pipe, and more filter cloth around the entire thing?

    I've read rounded river rock drains best (lots of space between rocks) versus crushed gravel type rock (less space).

  22. #1097
    Join Date
    Feb 2014
    Location
    NorCal coast
    Posts
    1,429
    Quote Originally Posted by altasnob View Post
    I can't tell from that photo but are you using one of those cloth sock things around the drain pipe too? So filter cloth around the actual pipe, and more filter cloth around the entire thing?

    I've read rounded river rock drains best (lots of space between rocks) versus crushed gravel type rock (less space).
    Round rock (like pea gravel) will never consolidate. It will drain better (think riverbed) but it's terrible for roads / paths. Crushed rock will consolidate but still retain some space. For a pump track, I'd use crushed. You want to order crushed washed though - if you get unwashed it will have a bunch of fines mixed in that will inhibit water flow.

  23. #1098
    Join Date
    Dec 2002
    Location
    cow hampshire
    Posts
    7,432
    Drainage is just a lot of work and material to make sustainable and every trail can have its nuances. Or it's a lot of maintenance. Santa Cruz Trails on insta shows some build techniques.

    A builder here just rerouted a berm turn that someone else built. It had pipe drainage but would silt up and was a constant puddle. He apparently went out west and took a trail building class or something...idk...maybe worked for a builder. I've yet to meet him and we just worked on a new build together just never at the same time! Anyway, he killed it. Turn is so much better and drains well.

  24. #1099
    Join Date
    May 2012
    Location
    People's Republic of OB
    Posts
    3,516
    Got some rain last week, so it was time to get out there. Cleaned out all the drains on a couple trails, re-established some bench and fixed up a few rollers.

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    A ride around was forming around this drop that has a flat landing so I reinstalled a rock transition.

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    Then re-established this rock hip jump using dirt from a hole I dug in said ride around. The rock roll above leads right into this hip so hopefully people will abandon the ride around to hit these.

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    And another roller to touch up. A hole was forming below the rock where front/rear wheels touch down.

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  25. #1100
    Join Date
    May 2012
    Location
    People's Republic of OB
    Posts
    3,516
    Also made it back up to the mountains recently to work on my restoration project.

    The area burned in 2013 and was under closure order that ended in 2018 right before another big fire hit. So has seen zero maintenance and minimal use since the first fire.


    Picked up an electric chainsaw recently hoping it would work to cut out thick sage along the trail and some manzanita on a couple re-routes I want to do. That was good timing, as a few trees had blown over the trail.

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    It did a pretty good job on this bigger tree, required a cut from each side to get through it.

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