Pirate
Gold Member
I have a slope of around 400' that we are going to get paved with concrete, 6" thick, 12' wide. What do you think that would cost? Thanks.
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Driveway Cost; Concrete
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Ed of all trades
Elite Member
Are you doing it or paying someone to do it? Here crete is around $100 yard. plus rebar or wire
RobertBrown
Elite Member
27 cubic feet
4.5 feet of 12' wide driveway
200'of 12' wide driveway is 44.44444 yards of mud (might want to pack a lunch...)
44.444 x 100 = 4444.44$
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Pete Judd
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Pirate, one yard is 27 cubic feet. At 6 inches thick, that is 1 cubic foot for every 2 square feet of the driveway. A 220 foot long driveway 12 ft wide is 2640 sq feet, or 1320 cubic feet at 6 inches , or just under 50 cubic yards of concrete. Also the cost of the concrete is only a part of the job. You have to figure in the cost of the forms, and labor, and maybe a pumper. Not a cheap job.
Good luck.
Good luck.
Deere Dude
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The labor probably would cost as much as the concrete itself. At least it was the last time I checked around here.
RDrancher
Veteran Member
Here's an easy way to calculate concrete, or dirt, gravel...any material in cubic yards.
Length in feet X Width in feet X Depth in inches - Divide by 324 = cubic yards
RB is right on the calc for cubic yards for your driveway at 44.44 cubic yards. Depending on how skilled the contractor is at grading, he will probably order 45 yards+.
There are a lot of variables as far as pricing goes and I would set the specs so that each of your three contractors giving bids are giving you an apples to apples price. What type of sub-base will he use? Will he compact it? Will he use standard 5 sacks per yard concrete with 3/4" rock? Will he use a plastisizer, water reducer or add fiber? A 6" slab will usually call for 3/4" (#4) rebar. The contractor will spec the rebar spacing in on-center-each-way measurements. Could be 15" OCEW, 18" 24" or anything in between. He might even specify mesh in place of rebar. What is his spacing on control joints? All of these variables affect the price, including the finish.
Around here a driveway at 6" thick would run anywhere from $13,200 to $16,000 for the same basic specs. Some yahoo will always come in substantially less. I throw the lowball bids in the circular file. That said...with the state of our economy there are some very good contractors without much work, so you could find yourself getting a pretty good deal.
Length in feet X Width in feet X Depth in inches - Divide by 324 = cubic yards
RB is right on the calc for cubic yards for your driveway at 44.44 cubic yards. Depending on how skilled the contractor is at grading, he will probably order 45 yards+.
There are a lot of variables as far as pricing goes and I would set the specs so that each of your three contractors giving bids are giving you an apples to apples price. What type of sub-base will he use? Will he compact it? Will he use standard 5 sacks per yard concrete with 3/4" rock? Will he use a plastisizer, water reducer or add fiber? A 6" slab will usually call for 3/4" (#4) rebar. The contractor will spec the rebar spacing in on-center-each-way measurements. Could be 15" OCEW, 18" 24" or anything in between. He might even specify mesh in place of rebar. What is his spacing on control joints? All of these variables affect the price, including the finish.
Around here a driveway at 6" thick would run anywhere from $13,200 to $16,000 for the same basic specs. Some yahoo will always come in substantially less. I throw the lowball bids in the circular file. That said...with the state of our economy there are some very good contractors without much work, so you could find yourself getting a pretty good deal.
MossRoad
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I think its more like 48.888 cubic yards.
6" deep X 12' wide = 6 cubic feet per foot of driveway
6 x 220 = 1320 cubic feet
1320 / 27 = 48.888 cubic yards, doesn't it?
6" deep X 12' wide = 6 cubic feet per foot of driveway
6 x 220 = 1320 cubic feet
1320 / 27 = 48.888 cubic yards, doesn't it?
MossRoad
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Turbys_1700
Elite Member
Around here the labor to pour and finish runs the same as the material cost...
I have not priced concrete lately but @ $100/yd you are looking @ approx $5K in material and possibly $5K in labor...
I have not priced concrete lately but @ $100/yd you are looking @ approx $5K in material and possibly $5K in labor...
RDrancher
Veteran Member
I ran your numbers through and your calcutation comes up to 48.888 yards, too.
Try it again. 200x12x6 / 324 = 44.444444
meburdick
Platinum Member
What about the additional materials cost for the base? If it's currently a dirt driveway or asphalt, the base will need to be installed / adjusted first, and that will require certain materials to be added to the cost (along with more labor).
Cement is immensely durable, but cost-prohibitive many times. In New England, it is not common because of the frost heaves we deal with as well as the fact that any sort of de-icing material tends to etch the cement. On top of that, it is significantly more prone to icing than asphalt since the light color means that it doesn't absorb much heat (to melt off the last of the snow / ice after a storm has been cleared).
These are just some of the reasons why cement has been predominant in major roadways in the Southern states but is non-existent in the rust belt.
Cement is immensely durable, but cost-prohibitive many times. In New England, it is not common because of the frost heaves we deal with as well as the fact that any sort of de-icing material tends to etch the cement. On top of that, it is significantly more prone to icing than asphalt since the light color means that it doesn't absorb much heat (to melt off the last of the snow / ice after a storm has been cleared).
These are just some of the reasons why cement has been predominant in major roadways in the Southern states but is non-existent in the rust belt.
2LaneCruzer
Epic Contributor
I had my driveway redone about 10 years ago; the estimates all ran about $7500. I had one guy call me up around Christmas time; said he needed some work for his crew so they could have some money for Christmas and New Years and he had no jobs. Quoted me $4500. I said get with it. They were good, fast, and it was a great job. One small crack in 10 years and 2 earthquakes. I guess most of the local builders shut down over the holidays and it worked out to my advantage. It might work for you too.
MossRoad
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What the ^$#! Musta crossed my eyes AND fingers.:confused2:
Anyhow,
12' X .5' (which is 6") = 6 cubic feet
6 x 220 = 1320 cubic feet
1320 / 27 cubic feet in a yard = 48.888 cubic yards.
I'm always up for learning something new, so what's the 324 represent?
mikehaugen
Elite Member
it's 27 x 12, the 27 to convert to cubic yards from cubic feet, and the 12 to change the inches of depth to feet.
divide by 27 then divide by 12, same as dividing by 324
divide by 27 then divide by 12, same as dividing by 324
RDrancher
Veteran Member
Ahhh...sneaky edit
Before someone joins in on the conversation at this point and says we're all crazy, its 89 yards.Western
Super Member
I use Concrete network to get a fast , close, estimate and it has been very accurate. Also a call to your local cement plant will give you the current cost and an estimated "yards" for your pour.
400'x12' @6" thick, I got 88.89 yards, here it is $79 per yard so, $7022.31 just for mud.
Here contractors are bidding from $4.00-$5.00 per sq. foot AT 4" thick, turn key (re-bar, forms, cement ect tra) Since building is slow, I found a guy that did my shop floor last fall for $3.50 per sq. ft, that was cheap enough that I opted to hire it out versus doing it myself. (30'x40'). Guy did a heck of a job, he also said he was trying to keep his help employed.
I would hit the phone book and get as many quotes as you can, there are allot of contractors that are good, that are slow. I wouldn't be afraid to tell them you have this (cheap) quote already, let them beat it.
Concrete Calculator, Prices and Pouring Information - The Concrete Network
400'x12' @6" thick, I got 88.89 yards, here it is $79 per yard so, $7022.31 just for mud.
Here contractors are bidding from $4.00-$5.00 per sq. foot AT 4" thick, turn key (re-bar, forms, cement ect tra) Since building is slow, I found a guy that did my shop floor last fall for $3.50 per sq. ft, that was cheap enough that I opted to hire it out versus doing it myself. (30'x40'). Guy did a heck of a job, he also said he was trying to keep his help employed.
I would hit the phone book and get as many quotes as you can, there are allot of contractors that are good, that are slow. I wouldn't be afraid to tell them you have this (cheap) quote already, let them beat it.
Concrete Calculator, Prices and Pouring Information - The Concrete Network
$4 sf at 4" thick locally, not including prep, but including forms, labor, and concrete, fibers, no mesh, no rebar. A 6" pour would be somewhat less than $6 sf.
Make sure you hire a company with solid reputation, and be there during the pour.
Make sure you hire a company with solid reputation, and be there during the pour.
RobertBrown
Elite Member
Most of us here undersrand that unless you have a lot of friends that owe you a lot in favors and money, and you thnik you can get all those guys together in one place for at least 12 hours, and you have extensive knnowledge of construction and scheduling (that's at least ten mixers _ concrete trucks).........
You can't do this yourself.
Get a gravel driveway like the rest of us.
If you can't live with that pour one section at a time over the gravel.
You will learn as you go.
Concrete is not difficult for those who know what to expect. Large projects can humble the inexperienced.
You see it has a cure time and a good finish is dependent on the weather
You can't do this yourself.
Get a gravel driveway like the rest of us.
If you can't live with that pour one section at a time over the gravel.
You will learn as you go.
Concrete is not difficult for those who know what to expect. Large projects can humble the inexperienced.
You see it has a cure time and a good finish is dependent on the weather
