View Full Version : gravel drive

chefdrp

03-27-2005, 12:42 PM

I know this is in the wrong forum but it will get seen here faster. I have a spot at my house i want to make into a parking spot for my work truck. I have a small driveway and have a car a work truck and a SUV to park. I can only fit the wifes car and my SUV now. how should i go about making this drive? Lay plastic over the weeds and grass then the gravel or kill off all weeds and grass and lay gravel. I have 200 sq.ft to do. And about how many yard of gravel will i need to do at 2 inches. I was also wodering about making a border so the gravel wont spread

chefdrp

03-27-2005, 12:48 PM

here is the orig drive and the spot were i want to put the work truck

stumper1620

03-27-2005, 01:17 PM

If I"m figuring right 1.5 cu. yds. will do 12x20 area 2" thick or slightly thicker,

make it 2yds for variable depths, dump it right over the weeds & grass anything comes thru just spray with round up after. I would think if you wanted to keep it contained run a row of retaining blocks, that would probly look pretty nice. :waving:

some reason 2yds just don't sound right to me but I can't figure out why.

chefdrp

03-27-2005, 01:19 PM

i just dont want the gravel or stne to just sink in the ground when i drive on it.

olderthandirt

03-27-2005, 01:22 PM

Remove the topsoil off the area, add 411 limestone which are fines and dust and water then tamp, this will turn the 411s into almost a concrete base. Then top with either #57s or the smaller #8, the 57s are 3/4" and bond toghter better than 8s. You will need at least 5 tons of the 411 to form the base maybe more if you have alot of topsoil to remove. Removal of the top soil will prevent the stone from sinking out of sight

RedWingsDet

03-27-2005, 06:57 PM

to find out how many yards do Length x Width x Heighth, in feet. so thats cubed. Then divide by 9 and thats how many yards you need.

for instance, if you had 12x12, and wanted it 4" deep. you do 12'x12'x4/12 so that is 48ft cubed. then I divide by 9 and thats 5 1/3 yards you need.

hope this helps you figure out how to do the math to figure out how many yards you need.

stumper1620

03-27-2005, 07:02 PM

to find out how many yards do Length x Width x Heighth, in feet. so thats cubed. Then divide by 9 and thats how many yards you need.

for instance, if you had 12x12, and wanted it 4" deep. you do 12'x12'x4/12 so that is 48ft cubed. then I divide by 9 and thats 5 1/3 yards you need.

hope this helps you figure out how to do the math to figure out how many yards you need.

ya so my figure of 1.5 to 2 yds for a 12 x 20 x 2" area is correct. right?

some reason that amount just seems low to me, but everytime i refigure it I get the same answer. :D

RedWingsDet

03-27-2005, 07:10 PM

well lets see. 12'x20'x2/12 (2/12 because 2" is 2/12 in feet) is 40, then divide that by 9 and you get 4.44. So from my calculations thats 4.44 yards you need, I'd order 4.5 yards.

I think you did 12x20x2/12 then you divide by 27... but you only divide by 27 when your doing inches, and sense you were doing feet, you divide by 9.

Now that I think about it... Im wrong, your right. You do divide by 27 at the end, I dont know why I thought divide by 9.

or you can do 12x20x2 then divide by 324

Old Red

03-27-2005, 07:24 PM

Remove the topsoil off the area.......... Removal of the top soil will prevent the stone from sinking out of sight

You absolutely want to remove the topsoil, you might also want to put down some stabilization fabric on top of the subsoil before you put down your base. That base of small gravel and fines is what we call item 4, every area seems to call it by their own local name but I've seen it referenced to on NYS specs so your gravel producers in western NY should be familiar with it.

RedWingsDet

03-27-2005, 07:24 PM

actually. I was talking to my bro, and he said I was right at first. because sense its a cubic yard, I guess you do divide by 9 at the end.

Now I got alotta people thinking about this prolly. LOL...

but in my oppinion, I think its 12x20x1/6 divide by 9.... which is 4.5 cubic yards. thats what I think personally. but I may be wrong.

stumper1620

03-27-2005, 07:29 PM

actually. I was talking to my bro, and he said I was right at first. because sense its a cubic yard, I guess you do divide by 9 at the end.

Now I got alotta people thinking about this prolly. LOL...

but in my oppinion, I think its 12x20x1/6 divide by 9.... which is 4.5 cubic yards. thats what I think personally. but I may be wrong.

I never claimed I was good in math, Which I'm not. so you probly got it right.

like I said 2 yds just seemed low to me for a area that size.

RedWingsDet

03-27-2005, 07:36 PM

Ya... well im still in school, im 17. Im pretty good in math, Im about 95% sure its L'xW'xH / 9

so like I said before, with the dimensions given. 12x20x1/6= 40, 40/9 = 4.5 cubic yards.

But im not 100% sure so if I were you, ask a mathematician.

Residential Recreation

03-27-2005, 09:24 PM

where i am from gravel is not measured by the yard here it is measured by the ton. to estimate the tonage you need this formula.

sand gravel topsoil. 2" layer.surface area sqft divided by 100. i tough i read that you have 200sq then you will need 2 tons this will not fit in the back of your pickup. if you have a big pickup you might be able to get a ton and a half at the most of gravel. you also want to compact this so it doesnt rut. add another 20% for compaction now you are looking at 2.4 tons. I would recommend doing a 3-4 inch layer with fabric underneeth it will be cheaper than using round up every summer for the rest of your life and you wont loose any compaction from weeds coming through.

I hope i was of some help ;)

vadeere

03-27-2005, 10:18 PM

I'm pretty sure you need to divide by 27. Imagine a 3 x 3 x 3 foot box, how many 1 x 1 x 1 foot boxes could fit in there. Hope this helps.

Residential Recreation

03-27-2005, 10:25 PM

that is correct but who buys gravel sand any type of loose packed material by the yard. you dont go to the store and buy cereal by the yard you buy this by weight

vadeere

03-27-2005, 10:30 PM

R R, you are correct, I was trying to clear up the cubic volume issue. No hard feelings. :D

Residential Recreation

03-27-2005, 10:43 PM

none taken :p

lawnandplow42

03-27-2005, 10:48 PM

so how deep do u plan on putting the gravel?

olderthandirt

03-27-2005, 11:48 PM

I still say you will need at least 5 tons of fines compacted and then topped with 57s, and the formula I used was that I bought over 500 tons of stone about 20 yrs ago and been buying it and using it for another 20 yrs. May not be the most scientific approach to figure the amount but I'm usually close enough on drives and patios that I don't have any problems using what I got or ordered and I don't have to make a second trip for added stone. 5 tons of stone don't go far, especially when compacted but as I said earlier it will almost be as hard as concrete afters its been wet and tamped :p

YardPro

03-28-2005, 08:56 AM

i would think you would want more than a 2" base

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