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Backyard drainage problems

Posted on 9/3/14 at 1:32 pm
Posted by ForeverLSU02
Albany
Member since Jun 2007
52147 posts
Posted on 9/3/14 at 1:32 pm
We recently poured a patio in our back yard and the elevation of the back yard is higher than the slab and large amounts of water accumulate at the edge of the yard and the slab. Water was actually covering 2/3 of the slab after the hard rains this past weekend. So we're looking at the possibility of getting a drain installed to help alleviate this issue. A French drain has been suggested to me by several people. Any suggestions as to who I could hire in BR/Denham/Hammond to get this taken care of? Does anyone know what something like this may cost? FWIW, it's approximately 125'-150' from patio to the drainage ditch at the road in front of my house.

Posted by terd ferguson
Darren Wilson Fan Club President
Member since Aug 2007
108738 posts
Posted on 9/3/14 at 1:33 pm to
quote:

the elevation of the back yard is higher than the slab


Sounds like a planning issue...
Posted by Croacka
Denham Springs
Member since Dec 2008
61441 posts
Posted on 9/3/14 at 1:34 pm to
quote:

We recently poured a patio in our back yard and the elevation of the back yard is higher than the slab


whose bright idea was that?
Posted by SG_Geaux
Beautiful St George
Member since Aug 2004
77948 posts
Posted on 9/3/14 at 1:36 pm to
quote:

We recently poured a patio in our back yard and the elevation of the back yard is higher than the slab


Well that was dumb
Posted by Tigah in the ATL
Atlanta
Member since Feb 2005
27539 posts
Posted on 9/3/14 at 1:39 pm to
quote:

We recently poured a patio in our back yard and the elevation of the back yard is higher than the slab
Posted by htownjeep
Republic of Texas
Member since Jun 2005
7612 posts
Posted on 9/3/14 at 1:39 pm to
Sounds like you need to grade your back yard. If it's that bad a french drain isn't going to cut it.
Posted by ForeverLSU02
Albany
Member since Jun 2007
52147 posts
Posted on 9/3/14 at 1:40 pm to
Before we poured the patio we knew that the backyard would be at or near the same elevation as patio and we thought that we may have to install some sort of drainage worst case scenario. We didn't really have any other options if we wanted a patio though. Well the slab was finished with a grade a little steeper than I expected and water just puddles at the edge of the slab and yard. A drain is the only option I can think of without tearing up my entire back yard
Posted by htownjeep
Republic of Texas
Member since Jun 2005
7612 posts
Posted on 9/3/14 at 1:42 pm to
quote:

Well the slab was finished with a grade a little steeper than I expected

How much are we talking here?
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 9/3/14 at 1:46 pm to
quote:

Any suggestions as to who I could hire in BR/Denham/Hammond to get this taken care of?


quote:

ForeverLSU02


afraid to tell everyone you live in Denham huh?
Posted by dante
Kingwood, TX
Member since Mar 2006
10669 posts
Posted on 9/3/14 at 1:49 pm to
Whoever designed your patio is to blame. Drainage should have been considered from the very beginning.
Posted by ForeverLSU02
Albany
Member since Jun 2007
52147 posts
Posted on 9/3/14 at 1:49 pm to
I'm not sure exactly. Just more than I had anticipated. One of the main reasons why so much water pooled on the patio is b/c a lot of the water was dammed up from residual dirt from the actual construction. I was able to open it up with a shovel and drain most of the water, but it still puddles along the edges of the slab and yard. I'm unsure what to do
Posted by ForeverLSU02
Albany
Member since Jun 2007
52147 posts
Posted on 9/3/14 at 1:49 pm to
quote:

afraid to tell everyone you live in Denham huh?
Nah, I live in Albany
Posted by crownNbull
Gretna
Member since Jun 2010
3078 posts
Posted on 9/3/14 at 1:52 pm to
Install a 9x9 or 12x12 NDS drainage box at the lowest point and run pipe to drainage ditch. Will be cheaper than a french drain and much more effective. Ideal solution would be to install box in the center of yard and grade everything to it. 4" corrugated pipe should be good. Box is around $30 and 100' rolls of pipe are around $50-60 at Lowes I think.
Posted by ForeverLSU02
Albany
Member since Jun 2007
52147 posts
Posted on 9/3/14 at 1:53 pm to
quote:

Drainage should have been considered from the very beginning.
It was. Installing drains was mentioned several times in the event that something like this happened. My wife wanted a patio and I figured we'd see what happens after we got a good rain. Now, here I am
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57429 posts
Posted on 9/3/14 at 1:53 pm to
quote:

If it's that bad a french drain isn't going to cut it.
then you are a shitty french drain designer.
Posted by BottomlandBrew
Member since Aug 2010
27074 posts
Posted on 9/3/14 at 1:54 pm to
I don't know why y'all are giving this guy shite. It's very common to have backyards that slope towards patios and whatnot. sometimes that's just how it goes.

OP, DIY a french drain. Sucky part is going to be digging, but materials are all cheap. Dig a 12" wide by 12" deep trench that spans the length of the patio. Line 1" gravel at base. place a 6" perforated pipe on base gravel layer. fill gravel to a total of 8". Top with sand. Then run your pipe to your drainage ditch. Seed the sand. Do not use sod unless it is washed sod.
Posted by ForeverLSU02
Albany
Member since Jun 2007
52147 posts
Posted on 9/3/14 at 2:01 pm to
quote:

crownNbull
quote:

BottomlandBrew
Posted by terd ferguson
Darren Wilson Fan Club President
Member since Aug 2007
108738 posts
Posted on 9/3/14 at 2:01 pm to
Here's what you need to do... dig a big fricking ditch that slopes toward your neighbor's yard:



quote:

Nah, I live in Albany


I live near there... you're not my neighbor are you?
Posted by dante
Kingwood, TX
Member since Mar 2006
10669 posts
Posted on 9/3/14 at 2:03 pm to
quote:

It was. Installing drains was mentioned several times in the event that something like this happened. My wife wanted a patio and I figured we'd see what happens after we got a good rain. Now, here I am
I am actually having a patio poured today. Because of the slope of my yard a french drain will probably be put in the near future, but the landscaper talked to me about that option prior to designing the new patio.
Posted by ForeverLSU02
Albany
Member since Jun 2007
52147 posts
Posted on 9/3/14 at 2:03 pm to
quote:

you're not my neighbor are you?
I guess you'll find out soon enough
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