Engineered Retianer Wall

**frog_hopper** · 23rd April 2008, 01:54 PM

Hi Guys,

We may need to get a retainer wall built which would be an L shape ...

- One side of the L would be 2 meters high by 2 meters long,
- The other side of the L would be 6 meters long ranging from 2 meters in height at the highest end, down to 1 meter high at the lowest point.

This will be retaining a fair bit of dirt to keep it away from our house and would need to incorporate drainage.

Can anyone give me a rough idea of what this type of thing will cost? (can't find anything on the web elsewhere).

There is also some excavation required.

Thanks in advance,

Frog_hopper

**Bleedin Thumb** · 23rd April 2008, 03:33 PM

If I was psychic I could tell what type of materials you intend to use, what your access is like, what type of soil you have, what type of drainage, where you live etc etc..then I could answer your question,

but I'm not

**frog_hopper** · 23rd April 2008, 03:39 PM

- Retainer would be made of conrete block
- Access is reasonable (2.5 meters down side of house, and no overhead obstructions)
- Live in Brisbane

Don't know what type of soil.
Don't know about drainage either ... just need to cope with general runoff / seepage from the backyard.

**thebuildingsurv** · 23rd April 2008, 05:43 PM

I would say $15,271.35 but thats just a guess.

**Bleedin Thumb** · 24th April 2008, 11:01 AM

Originally Posted by thebuildingsurv

I would say $15,271.35 but thats just a guess.

I think your on the money.......plus or minus 50 cents.

**frog_hopper** · 24th April 2008, 11:50 AM

Ouch ... so pretty expensive is what you are saying if you think it is around the 15K mark

Thanks.

**thebuildingsurv** · 24th April 2008, 02:11 PM

get a few quotes like anything prices can vary a lot

**Dan574** · 26th April 2008, 07:33 PM

do a search on google into gabion baskets. They are a heavy duty wire mesh basket filled with rocks. Easy to do, you could even do it yourself if you have it engineered properly. I think baskets are around the $100 mark plus rocks. The beauty is you dont need drainage behind them as water can escape through the rocks. Have look here,

http://www.maccaferri.com.au/wa.asp?...&idDetails=125

http://www.geofabrics.com.au/detailp...p?pid=73&id=66
(email them for a price, a few years ago when I enquired they cost $66 for a 2mx1mx1m, download the brochure on this page on the right, it explains everything)

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