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Question about dirt and building pads

Posted on 2/28/22 at 7:31 pm
Posted by ShermanTxTiger
Broussard, La
Member since Oct 2007
10874 posts
Posted on 2/28/22 at 7:31 pm
I am buiding a home now in Broussard. My sister and her husband bought a lot down the road (1/4 mile away) and plan to build in a few years.

Their lot is not in a flood zone but they want to build on a pad. I don't disagree. The lot is lower than mine and I wouldn't make an investment there building on the ground.

Question- We plan to build a pool next year. I am wondering if the excavated soil we get can be used to build up their lot. I know the building pads require certain soil but wondered if we put dirt on it for a year or two, would it be stable to build or improve on.

Thoughts?
Posted by 4LSU2
Member since Dec 2009
37334 posts
Posted on 2/28/22 at 8:58 pm to
This all depends on what type of foundation the new house will have and stability of the excavated soils.

I’m not overly familiar with native souls around the Broussard area. If the soils have a high silt %, they are not structural in nature for a conventional slab. If they go with a post-tension foundation in lieu of a conventional one, your scenarios should be fine.

One thing to consider is that the volume of the excavated material for the pool is not going to be enough to fill a house pad. You will be making a small dent into the volume required once native material is stripped and imported fill to “X” grade is determined.
Posted by SuwMwf
Member since Jul 2012
947 posts
Posted on 2/28/22 at 9:20 pm to
Yes the excavated soil can be used to build up their lot. Depends on how much of it is good enough for a pad. Most of it save the top few feet is probably adequate, but make sure they do a compaction test to verify. They run about 750-1000 from what I understand. Building up a lot is never a bad idea and the dirt to do so if purchased runs about 10$ a yard right now, plus tractor costs. We are building a pool and planning a barn. Instead of purchasing soil for the barn we are using our leftover soil from pool dig and actually digging MORE out of our 1 acre fishing pond. Husband refuses to purchase more dirt when our actual yard is 3 acres total. We are in youngsville.

ETA From what I gather from our experience, with a compaction test to verify, the pad will be ready to build as soon as the it is complete.
This post was edited on 2/28/22 at 9:22 pm
Posted by rodnreel
South La.
Member since Apr 2011
1319 posts
Posted on 3/1/22 at 8:32 am to
My suggestion is to use the dirt to fill in low spots. Cost wise is a wash or could cost more to use the pool dirt for a house pad. Dirt for pads is usually "processed" at the pit which means chopping 6 inches of dirt into fine pieces and allowing it to dry. This might be done several times and could take days or weeks depending on weather. When ready it's put it in a pile waiting for delivery.

When brought on site it is again spread, chopped, dried and compacted but it takes a much shorter time frame.

Your pool dirt would have to be 100% processed at your brothers in law and sisters house which could involve a lot of equipment for days or weeks depending on how much rain you get.

The only time I have seen this work is when a lot owner is digging a medium/large size pond on a large piece of property and uses some of the dirt for his own house pad. The dirt guy get the rest to process on the lot owners property then sells it else where.

Call some dirt people and ask them.

Just a FYI your brother property is in a flood zone. All property in Louisiana is in a flood zone it just some are good, others bad and some ugly.

This post was edited on 3/1/22 at 9:54 am
Posted by Cracker
in a box
Member since Nov 2009
17715 posts
Posted on 3/1/22 at 10:04 am to
should be fine but as long as it is compacted spend money have soil tested after compaction should be fine.
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