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Question DetailsAsked on 7/17/2013

I have 1,126 square feet of concrete patio and walkway around my pool and backyard. How much to remove?

I will also be replacing this concrete with the same contractor and expanding to add approximately an additional 828 square feet of patio space. I am trying to ensure I get a fair price in the proposals I receive.

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2 Answers

0
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How much are dump fees in your area and how far away is the dump site? What are demolition permit fees in your area? What is the thickness of the concrete? Is it mesh or rebar reinforced? How accessible is the work area for machinery? How old is the pool and are the walls stable enough to support a compact excavator in the nearby vacinity which will put pressure on the ground that may be transferred to the pool? The only way you're going to get an accurate estimate of cost is to have a few contractors bid the job for you, taking into consideration all of your job and municipal requirements.


Todd Shell

Todd's Home Services

San Antonio, TX

Answered 6 years ago by Todd's Home Services

0
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All the things Todd said are on the mark, as is usual.

Of particular note is the need to keep equipment weight away from the edge of the pool - you do not want a collapse. The removal of the existing concrete should be by diamond blade cutting if needed to seperate it from the pool edge, then a backhoe at a distance to tilt and drag the pieces away from the pool, unless the contractor chooses to breakk it up into small pieces in place. Depending on size of equipment (bobcat to full size backhoe) safe distance from pool might be on the order of 6 to 12 feet. I would require they work at full practical reach from the pool edge for safety.

Another key factor in your cost will be access - can dumptruck and concrete mixer get within about 10 feet of the pool at all points to be concreted. You are talking 3 or 4 full loads of concrete going each way (if your ground can handle fully loaded trucks, which might not be the case), so if there is not close access and they have to bobcat (or worse yet, break up and wheelbarrow) broken concrete out, and buggy or pump concrete in, your cost goes up by probably about 50-100%.

As Todd said, you need actual bids to determine price range, not knowing specificd site conditions.

The overall range of cost for this type of job can go from a low of $1/SF to about $3.00/SF for the demo and removal, depending on how easy access is and how big of equiment contractor has or can get in there (i.e. if he has large grapple on a backhoe that can pick up full panels of concrete and 12cy truck, can go REALLY fast - all the way down DEAD SLOW to jackhammer and wheelbarrow through a garage to the drive, then handload into a pickup truck to dispose of it.

The new concrete for that size job would usually be about $5-10/SF with direct access like with a driveway - add $1-2/SF for fancier finishes or coloring, and up to $4-10/SF additional for extraordinary access problems - basically hand walking to pool area only, and having to pump the concrete.

Be sure to locate and protect any shallow utilities with a timber mat - NOT just loose timbers - if walking heavy wheeled equipment over them. Gas, electric, phone, cable TV count as shallow, and sewer and water too if buried very shallow (less than about 3 feet) because you have no frost in your area and they will be driving dumptruck or concrete truck over them.

Bear in mind this cost does NOT include removing and replacing fencing for access, trimming trees for overhead clearance, temporarily disconnecting overhead utility lines for backhoe clearance, repairing tire imprints on driveway or lawn, or cleaning debris out of the pool afterward - be sure the contract clearly states whose responsibility that is.

Answered 6 years ago by LCD




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