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Advice Needed - Gravel Driveway Construction
I assume you get snow where you are,therefore I would make it a min. of 15' travel surface,for snow removal and passing.
An 18-24 in. base of good clean sharp gravel(not stone)
for a base should be sufficent. I would use a 6" minus
product.(all stone bigger than 6" screened out. Frost will
pick up anything bigger to the surface.
Then topcoat with 2-3 inches of 1-2" minus or reclaimed asphalt. Loose stone on the surface will not freeze solid
and is a pain to plow or blow. Reclaimed asphalt doesn't
mud up and heads you in the right direction for paving down the road. Also it is easily regraded year to year.
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Advice Needed - Gravel Driveway Construction
Maine definition: Pit Run or Bank Run,is in other words "as is"out of the gravel pit bank. Not run through a srceen.
Crown in the road refers to the finish grade, leaving the middle higher than the edge to shed water and reduce potholes,and mud. Like alot of things we build, water is the enemy and proper site prep.,subgrade, base material,surface material, drainage and elevations are critical to a road that will last.
It all depends on the site,as to what's needed.
good luck.
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Advice Needed - Gravel Driveway Construction
Another option, not sure it is available to you ? But a common practice here is to use recycled asphalt or brown pack.
They (PIKE INDUSTRIES) mix fine gravel with the asphalt they remove from resurfacing jobs and sell it. It is used for a base before paving driveways or as a finished surface.
Packs like cement but, can easily be regraded year to year.
The gravel mixture keeps the old asphalt from clumping together. I have used it many times with great results. The stone surface could create problems with the snow removal.
Merely an observation.
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Advice Needed - Gravel Driveway Construction
Asphalt plants do in this area. When they resurface some of the roads, they bring in this huge asphalt rototiller and grind it up first. Most of the time they use it right there for a base. But they also remove it back to the plant in some instances? Depends on the roads needs I quess? Makes
a super driveway surface short of paving. We pay around $180.00 - 200.00 per 12-14 yard load. I think they call it 13 ton. I find one load will do about 100' 10-12 ' wide 2-3 " thick.
Pike industries. here in central Me. Check out there web site and beyond roads .com
Check your yellow pages for asphalt plants. Make sure it has some gravel of some type mixed, or you will get straight asphalt and it will turn to large solid chunks
after driving on it.
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