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Hi all,
Long time lurker, first time poster!
I have a drainage issue on the side of my house which is causing issues when it rains heavily as the water just pools and has no where to go. Unfortunately the only stormwater points are under a driveway and are unlikely to work due to the levels of the property in this part of the house.
Option 1: using geofabric, scoria and the megaflo to create a French drain to drain out into the backyard into a soak well https://www.bunnings.com.au/reln-soakwell-rapid-flow_p4770021
After which I would put soil and grass on top.
Option 2: Same as above but instead of draining out to the backyard, connecting the megaflo to the bottom of a silt pit lifted up to the concrete level in the lowest corner then allowing the megaflo pipe to fill up and peculate out (hopefully evenly underground). Unsure if this will work but it will allow me an access point to pump water out in the event of very heavy rains.
Option 3: take much more soil out, sloping the ground away from the house backfilling with scoria, geofabric on top of the rocks then soil/grass on top. However don't think this would be ideal in case of very, very heavy rains.
Any thoughts / ideas?
Many thanks! 😀
Hello @plentyofq
Welcome to the Bunnings Workshop community. It's sensational to have you join us, and thanks for sharing your question about your house drainage.
Between the three options, I would probably vote for the first one because if your Soakwell is done properly you should get good drainage, this is on the condition that you don't have clay soil underneath. If you do and the drainage is not that great, I suggest cutting a channel in your concrete walkway and redirecting the flow of water to the front where you might have a drain where you can connect to. I recommend linking it to a surface drain such as the Everhard 3m EasyDRAIN Polymer Grate And Prejoined Channel.
The other option of course is having an overflow pump, but this means that you'll need to find a way to layout the overflow pipework without it getting in the way.
Let me call on our experienced members @Dave-1 and @Nailbag for their recommendations.
If you have any other questions we can help with, please let us know.
Eric
Good Evening @plentyofq
I like option one as well out of your three. Tho as @EricL mentions clay could be an issue for the water being able to drain away long term.
How much concrete would you need to cut through before you get through it and head towards the road? And that made me re-read your question. So I take it your water level is pretty much the same as the gutter out front? Mmmm I am starting to head towards a sump pump of some kind with decent drainage pit.
So next question, yeah I always end up with a bunch of them Before you dug the soil from your driveway, which way did the water tend to travel when you had heavy rain? Towards the shed at the back, under the house, towards the neighbours or down the front?
If the concrete isnt too far you could potentially use a hose inside a 50mm pvc pipe and gradually push your way through. Hard work yes but if you are lucky no concrete cutting. (Actually saw a video of it working tho havnt had a chance to do it myself)
Dave
Hi @plentyofq
Is cutting 100mm path across the driveway completely off the books?
Appears to me to be the only solution guaranteed to take all the water away once connected to the storm water system. The other options still potentially move the water issue from one area to another.
Nailbag
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