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Author Topic: Creating a Bowl in the Forest...  (Read 11976 times)
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« on: April 28, 2011, 05:20:20 PM »

Hello, hi.

Basically where I live some BMXers carved out 3 very smoothly formed bowls surrounded by roll-ins and almost a half pipe from the mud in a quarry part of the woods. They did this around 8 years ago and the mud bowls are still in very good condition, albeit not as deep as before.

They're obviously no good to skate but I was talking with a few BMXers that visit regularly and said how good it would be if we could somehow fill the bowls in and create a proper concrete bowl that we could all use. Everyone agreed it would be good and it got me thinking that I'd actually love to do this.

So basically I'm just wondering if this is even at all possible? The ground is very hard and the further you dig the more clay you find so the foundations would be pretty strong too. It's almost completely covered by the trees above and is quite off the track.

What kind of equipment and materials would I need to do this if it is even possible? I'm guessing it's not doable but if there is any way, I'd appreciate some advice.
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krusher
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« Reply #1 on: April 28, 2011, 06:26:41 PM »

Sounds doable to me, just a lot of hard work. And if there is one thing skaters hate it’s hard work.

Dig where needed, lay down some chain link fencing on the ground, pour concrete, then skate.
There’s a wealth of knowledge already posted on this site and much more on the interwebs... lurk

It’s not hard just hard work
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« Reply #2 on: April 29, 2011, 05:12:43 AM »

Okay thanks Krusher. I mean I do hate hard work lol but I'm definitely up for doing this if it's possible.

You mean like a mesh fence like this?


So I'd lay this down and just mix cement and pour over it?

Yeah I had a brief look around but didn't notice anything that actually dealt with building a concrete bowl from one created in the ground first. Like it's literally just dug from the ground. I'll have a better look though thanks.
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krusher
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« Reply #3 on: April 29, 2011, 10:55:05 AM »

Yep that's the stuff. You can get technical and use concrete mesh and rebar, but you can usually find fencing for free. Any kind of metal you can find to give the concrete some tinsel strength to help keep it together. Just about every concrete driveway you've ever seen was made by throwing some mesh down and putting some concrete over it.



If you can, I would make some transitions and go section to section when you have enough concrete for each section



Watch this to show you how to screed with transitions

Snatch Park DIY no Lies
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« Reply #4 on: April 29, 2011, 01:52:31 PM »

before you go trying to pour a bowl, buy a magnesium float and a steel pool trowell, and find some jersey barriers or whatever to learn how to mix and finish. if you've never worked with concrete before, your first few efforts will suck. sorry, but that's just a fact. but if you're willing to put in the time, you can do it. like krusher said, it's not hard, it's just hard work.

and don't lay your mesh DIRECTLY on the ground. you want to have some clearance between your rebar and the ground. at least 2-3 inches. otherwise there's really no point to putting the mesh down in the first place. the rebar's gotta be completely inside of the concrete, totally encased. just use rocks or bricks to raise the rebar/mesh up off the ground.
 
PE Perspectives - Marginal Way Skatepark - Pt. 3 - Construction
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« Reply #5 on: April 30, 2011, 02:56:17 AM »

All these terms are foreign to me at the moment so I'm going to research concrete and that a little as I've never really worked with building materials. There are several bowls and roll-ins sculpted out of the mud so I'm probably going to start practising by digging a small one myself before moving onto the smaller bowl of the already existing structure.

I'm going to head down next week and get some pictures of the place, I'll post them up so you can see. Which are the best step by step guides on the net for creating a DIY skate bowls?
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krusher
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« Reply #6 on: April 30, 2011, 12:33:29 PM »

It really is just like playing in mud. Just make sure your concrete mud is really dry
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« Reply #7 on: April 30, 2011, 06:04:05 PM »

Okay great, I'll have a little practice tomorrow and see how I get on.

There will literally no way of getting a cement mixer down to the bowls either, can ready-crete be mixed in a bucket?
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krusher
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« Reply #8 on: April 30, 2011, 06:32:32 PM »

Check the bottom of Page 3 of the Snatch DIY thread where we discus the use of a tarp, there's even a video. Tarps are light and easy, if you have 4 friends and 2 tarps you can mix concrete faster then any cheap 2 bag mixer. Tarp, or $10 plastic concrete bin, or a wheel barrow, or the ground in some cases.
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« Reply #9 on: May 02, 2011, 05:13:41 PM »

Yeah wheelbarrows, tarp, buckets, all sounds easily accessible. I'm going to write up a kind of plan of action and get this started in the summer. Thanks for the help everyone, I'll post the pics soon. Any more advice and help is definitely appreciated and very welcome still.
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« Reply #10 on: May 03, 2011, 10:49:02 AM »

one more thing..... start small. concrete won't wait for you to catch up with it if you bite off more than you can chew.... it'll go off, hardening and leaving you with a mess, and that sucks.

www.skatepark.org has a lot of good info in their DIY section. you gotta sign up to view it, but it's worth it.
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« Reply #11 on: May 05, 2011, 10:18:47 AM »

Just checked that site, I didn't have to sign up to view the content actually. It's definitely given me some good advice and I'm going to make a few practise runs first.
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