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Old 04-20-2016, 08:58 PM   #1
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What kind of rock for pad and how much?

Currently have a 39ft Fuzion th, but will be moving to dp later this year or early next year (37-40ft). Going to store it at a different location and would like recommendations on rock/stone to put down as a pad (cement is a no go..needs to be gravel or stone etc). Any idea how much I would need as well?
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Old 04-20-2016, 09:19 PM   #2
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11 cubic yards for an area 50 x 20 and 3 inches deep.
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Old 04-20-2016, 09:23 PM   #3
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Trying to remember what I used over 25 years ago to build ours! I know the top is 3/8 minus which is pretty fine but it keys up well. Need to go haul in a few more yards too for my new walkways I'm building.
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Old 04-20-2016, 09:25 PM   #4
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11 cubic yards for an area 50 x 20 and 3 inches deep.
I & 1/2 inch and down size for a base and 1/2 inch and down for topping. The big stone is very rough to kneel on or lay on if working on the rig and the small rock will punch into the sub-base if you use just that size.
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Old 04-20-2016, 09:30 PM   #5
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Thanks for the great info!
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Old 04-20-2016, 10:21 PM   #6
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I have a driveway and parking pad with a couple three inches of DG. Solid, smooth enough to use a creeper, and and has been in place for 10+ years.
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Old 04-21-2016, 11:16 PM   #7
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I have a driveway and parking pad with a couple three inches of DG. Solid, smooth enough to use a creeper, and and has been in place for 10+ years.
What do you mean by DG?
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Old 04-22-2016, 12:09 AM   #8
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What do you mean by DG?

Disintegrated granite. Driveways, walking paths, etc. are commonly paved with it. Commonly available in many parts of the country and inexpensive. When compacted it becomes very solid. Additionally available is DG with additives mixed in that are essentially glue. When compacted it's even more solid.
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Old 04-22-2016, 12:45 PM   #9
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So if I go with dg, once I pack it down with tractor, it firms up a good bit?
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Old 04-22-2016, 12:50 PM   #10
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How much you need will be determined by how solid the base underneath is. If it is well packed sand or granular type material you will not need as much as if your base is a clay or silt type of material.

I would suggest a minimum of 5 - 5 inches of 3/4 minus with a high fracture count to get a good solid foundation. Quarried rock would be a bonus.

When we build our storage shed we put in enough gravel to allow for future concrete. We have 15" of gravel. We will take out 5- 6" if we put in concrete. The remaining gravel is well drained and will hopefully prevent excessive cracking in the concrete. Overbuilt by most standards but the additional cost was minimal overall.
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Old 04-22-2016, 05:37 PM   #11
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When we had the pool built, the final task to be completed by the contractor was to lay down and compact, "Colored" decomposed granite over the access area where all the trucks, cement trucks, plaster trucks and all that were using to gain access to the back yard. Well, as you can see in the pictures. It ended up real flat, and looked really nice.

But, after about 6-8 months of carrying little tiny pieces of that granite, into the house that stuck on our shoes etc. and, it was hard to walk on bare footed, we decided to opt for concrete. That area is used for our boat parking and or, guests who have a motor home and can plug in and have hookups. But, the D/G was not just not working out.

It was definitely strong enough to support any motor home/boat/truck etc. without leaving any tire tracks/impressions etc. But, those darn little pieces of granite would carry into the boat, the motor homes, house and more. So, out went the D/G and in came concrete. Waaaaaaaaaaay better. Since the area is used or walked on so much, we just couldn't tolerate anything less than concrete. But, that's just the way WE wanted it. Everyone's got to decide what's best for them.
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Old 04-22-2016, 06:43 PM   #12
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So if I go with dg, once I pack it down with tractor, it firms up a good bit?

Yes, it becomes quite solid. Of course you need a solid base under it as with anything. I laid my DG driveway and parking pad on undisturbed soil. Compacted it with the tractor used to spread the DG.
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Old 04-22-2016, 07:18 PM   #13
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I used to get 1 1/2" Crusher Run grade directly from the quarry and put it down for driveways and parking areas. It was the most economical grade I could buy. That mix has large to small size stones and a lot of fines as well. It packs very well into a surface that is almost like paving. It WILL NOT pass moisture very well so low spots will collect water. Once packed it's not hard on knees or backs when you are down doing maintenance, but creepers cannot be used on it as they tend to pop individual rocks out of the surface.

If you are going to park the rig in the same spot all the time I'd go to 5-6" compacted under the wheels/jacks and go with 3-4" for other areas. Any rock will migrate from under heavily loaded areas over time. 5/6" will migrate MUCH more slowly.
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Old 04-23-2016, 07:13 PM   #14
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You might consider dolomite. It compacts to a very hard and smooth surface.
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