Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines? - Excavation & Site Work - Contractor Talk

Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?

 
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Old 08-03-2020, 10:49 AM   #1
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Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


Just had this delivered to a driveway site last week. As I dug into the pile with the bobcat, I was hoping this would just be as it settled but it's all like this.

It looks like 60% fines and 40% rock with maybe half of that amount being 4".

I called the quarry to politely complain and the quarry manager replied that this is fairly normal and offered 10% discount off of my next load.
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Old 08-03-2020, 12:31 PM   #2
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


Looks closer to a road mix.

Could be just the quarry, but 4- up here wouldn't have all those fines.

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Old 08-03-2020, 12:35 PM   #3
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


BTW, crushed concrete comes out about like that.
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Old 08-03-2020, 03:43 PM   #4
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


Different locales call their processed aggregate by different names, looks like what we'd call #53's around here.

Quarries have specs they must meet for each type of aggregate, but it usually only gets tested on big civil, municipal or industrial projects. If ever in doubt, you can get an independant lab to test it.
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Old 08-03-2020, 03:59 PM   #5
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


Looks like the junk they build logging roads with.

Does it meet any state, county, city specs?

Why such big rock for a residential drive?
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Old 08-03-2020, 04:15 PM   #6
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


It's the base layer. Seems like the 2" was disappearing on me.
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Old 08-03-2020, 09:20 PM   #7
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


Sure doesn’t like up 4” minus to me. Looks like pit run with a bucket of sand dumped on top

Should still work for base if you have a big roller to pack it
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Old 08-03-2020, 10:33 PM   #8
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


Quote:
Originally Posted by griz View Post
Looks like the junk they build logging roads with.



Does it meet any state, county, city specs?



Why such big rock for a residential drive?
When I was landscaping we had a local pit close to the job that supplied 3" minus that looked similar to that.
The builder had taken away nearly 2' of topsoil and our brick paver pads had to be built up with a piss poor blend of stone and fines just like that before we could place a standard 3/4" minus sub base.
If I were to guess I'd say that the builder got a deal on a material that was screened in a pit within 7-10 miles from the point of origin.
It still passes local requirements, but it's a bitch to work with.

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Old 08-08-2020, 02:12 PM   #9
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


stuff looks great other than the fact it's not blended well. all the fines are sitting on top.

throw some fabric down, put it down in 4" lifts, get it wet and throw plate compactor over it. it makes great base.
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Old 08-16-2020, 02:52 AM   #10
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


Learn the terminology used to describe rock and gravel and sand in YOUR area. USE legally binding descriptions, like passes ASTMs tests fir type X sizing/ ratios /Materials types.


All gravel pits have sizes that are surplus to demand, some are too small to crushed to a saleable sizing......thus the constant over loading of the "waste" into non-proportioned blends.....:sad.

Order 4" to 0.75" no fines next time, consider a "Geo grid" textile to place in or under the base level to Increase Capacity and reduce total thickness required long term,

Should have a construction drive way PLAN prior to ANY operations, that allows Semis and cranes to function 24/7 except Monsoon events. Smart builders cut the service road UNDER final grade of permanent driveway. Wet climes might require a french drain or tile to dewater the driveway, Again the tile should be part of the post construction drainage scheme that lowers the water table under the final driveway for added load capacity in wet seasons and fewer concrete call-backs.

Smart builders drain the lot months prior to any excavating.... far fewer mud issues.
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Old 08-19-2020, 08:21 AM   #11
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Re: Does This Load Of 4" Minus Crusher Look A Little Heavy On The Fines?


If you asked for 4 inch minus here, that's about what you'd get. "Minus", to us, means with fines.

Different places call it different things...we'd call that base. 4" base. We don't have a lot of demand for that, so if someone wanted it, they'd get 4x1 mixed with 610s (1 1/2" base) or DGA (1" base).

That looks like what you got. If it came out of a plant AS 4" base, and if the loader operator is any good at all, it wouldn't look that segregated.

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