Pump track drainage

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Pump track drainage
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Posted: Aug 13, 2018 at 5:15 Quote
hi I'm building a secret pump track in my own yard (f*ck freeloaders! Mad ) so I need a tip about drainage. Is it a good idea to add a layer of sand and pebbles/rocks under the surface? Does it improve drainage while it's raining? I'll post some pics soon

Posted: Aug 14, 2018 at 8:34 Quote
if you are going through that much effort i would ratehr go with pipe drainage and rase the track a bit of the ground. where i come from it would be illegal but you could feed those pipes ibto the drainage around your house from where on it would go into the sewage.

the build procedure would be the same as for any house drainage and there are plenty of guides on that online. not cheap but very reliable and lasts for ever

Posted: Aug 14, 2018 at 12:03 Quote
Luneec wrote:
if you are going through that much effort i would ratehr go with pipe drainage and rase the track a bit of the ground. where i come from it would be illegal but you could feed those pipes ibto the drainage around your house from where on it would go into the sewage.

the build procedure would be the same as for any house drainage and there are plenty of guides on that online. not cheap but very reliable and lasts for ever
yes the pump track will be completely raised, but I don't know if using a layer of sand can accelerate the drainageBook

Posted: Aug 15, 2018 at 0:57 Quote
I would try to use a toplayer that would be almost impermeable so the drainage through the surface would be neglagable. A sandlayer eunderneath would only risk the stability of the track itself. in road construction you will always have the banks where no load is applied so the gravel wont breaka away. but that would double the width of your pumptrack.

i always built my pumptracks with drainagae off the side, since always haveing a sideways gradient is very easy to keep in a pumptrack. just plan wherethe water runs of to and make sure you place a drainage pipe there to catch the water.

Posted: Aug 23, 2018 at 6:54 Quote
Gfromars, thought this resource from PTBA might help you out. I'm on a quest of equipping myself with some know-how on pumptrack building as well for my bike park project (thread). Below is a link to a very comprehensive but brief pumptrack project guide in PDF format.

https://static1.squarespace.com/static/55d5f66ce4b041c74fcf1a6e/t/5aea1b7b0e2e7278ee17e9cf/1525291910464/Pelland_Pumptrack2018.pdf

After reading thorugh that. Follow up with this very understandable WikiHow article to address your drainage knowledge gap (ie. French drains, as is most commonly utilised by professionally built pumptracks)

https://www.wikihow.com/Build-a-French-Drain

And ofcourse a playlist of straight forward video learning resource on DIY French Drain construction.

http://www.appledrains.com/2016/01/29/french-drains/

Hope these helps. Good luck bro.

Posted: Aug 23, 2018 at 14:41 Quote
descorpus wrote:
Gfromars, thought this resource from PTBA might help you out. I'm on a quest of equipping myself with some know-how on pumptrack building as well for my bike park project (thread). Below is a link to a very comprehensive but brief pumptrack project guide in PDF format.

https://static1.squarespace.com/static/55d5f66ce4b041c74fcf1a6e/t/5aea1b7b0e2e7278ee17e9cf/1525291910464/Pelland_Pumptrack2018.pdf

After reading thorugh that. Follow up with this very understandable WikiHow article to address your drainage knowledge gap (ie. French drains, as is most commonly utilised by professionally built pumptracks)

https://www.wikihow.com/Build-a-French-Drain

And ofcourse a playlist of straight forward video learning resource on DIY French Drain construction.

http://www.appledrains.com/2016/01/29/french-drains/

Hope these helps. Good luck bro.
Dude these are very interesting sources thank you! I didn't know about the french drain, it seems very useful.
I'll build some of them on the side of the rollers.

Posted: Dec 10, 2018 at 18:48 Quote
Thanks for posting my presentation at the PTBA. I own "Sentiers Boréals" in Quebec, Canada. We are a trailbuilding company that does quite a bit of pumptrack, mostly asphalt these days.

Sideway drainage, with 4in culvert going right under the rollers, is often enough for stormwater management. If your area gets a lot of sustained rain, I strongly suggest going with the menhole approach instead as it will filter out sediments and ensure clean water will drain from your track.

If you have any question on drainage calculation, feel free to reply or send a PM.

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