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Author Topic: Retaining wall needed  (Read 6337 times)

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Offline oldblade

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Retaining wall needed
« on: January 28, 2012, 03:56:55 PM »
Does anyone here build retaining walls for a living
Able to do work in the hill district of Sydney

I need one built and thought I'd ask here before calling around

Just need a treated pine 2.4 by 3.5 mtr high
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Offline Jon

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Re: Retaining wall needed
« Reply #1 on: January 28, 2012, 06:14:06 PM »
OB you might have to step it if you have room. 3.5m high is another 3m in the ground.

Not sure whether anyone does logs that long for domestic purposes, although I have seen plenty of roadside walls with big vertical rise in one section.
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Offline Chippy76

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Re: Retaining wall needed
« Reply #2 on: January 28, 2012, 06:44:04 PM »
Not sure about your local council requirements.  However a 3.5m  wall is likely to need council approval ... and engineering plans.  Would help you out if I was closer.

Cheers Chippy :D
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Offline xcvator

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Re: Retaining wall needed
« Reply #3 on: January 28, 2012, 06:58:24 PM »
I vic any retaining wall 1Mtr and over in height must have a building permit which means engineering comps., inspection etc. For a 3 metre high wall you will need minimum 6 metre H section steel uprights, which from memory weighs about 50 kg's per metre . This work can be done with a 5 ton excavator but much safer with a 7 or 9 tonner.
 The interlocking brick system is easier but more labor intensive and can be done bit at a time once the foundation and 1st 2 or 3 courses are done.
Sorry, it's a bit far for me to have a look for you
cheers Keith
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Offline POD

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Re: Retaining wall needed
« Reply #4 on: January 28, 2012, 07:10:36 PM »
Quote from: xcvator on January 28, 2012, 06:58:24 PM
I vic any retaining wall 1Mtr and over in height must have a building permit which means engineering comps., inspection etc. For a 3 metre high wall you will need minimum 6 metre H section steel uprights, which from memory weighs about 50 kg's per metre . This work can be done with a 5 ton excavator but much safer with a 7 or 9 tonner.
 The interlocking brick system is easier but more labor intensive and can be done bit at a time once the foundation and 1st 2 or 3 courses are done.
Sorry, it's a bit far for me to have a look for you
cheers Keith

With a name like that Keith, it appears you would have NO idea what you're talking about!
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Offline Mace

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Re: Retaining wall needed
« Reply #5 on: January 28, 2012, 07:37:22 PM »
Quote from: POD on January 28, 2012, 07:10:36 PM
With a name like that Keith, it appears you would have NO idea what you're talking about!

 :cup:

Ive got a mate called Keith, he never has any idea what hes talking about either! Especially after a few reds.

Ecavator, me thinks you are an exception amongst keiths!! You look as if you know your stuff.

 :cheers:
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Offline baldheadedgit

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Re: Retaining wall needed
« Reply #6 on: January 28, 2012, 07:45:52 PM »
900 mm in Sydney.... any bigger than that need council/engineer... As xcavator stated, a lot of pressure at 3.5 meters

BHG
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Offline POD

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Re: Retaining wall needed
« Reply #7 on: January 28, 2012, 07:48:23 PM »
Quote from: Mace on January 28, 2012, 07:37:22 PM
:cup:

Ive got a mate called Keith, he never has any idea what hes talking about either! Especially after a few reds.

Ecavator, me thinks you are an exception amongst keiths!! You look as if you know your stuff.

 :cheers:

Mace. . .  Mate. . . I think I need to meet you. Only then can I decide if I need to smash you in the face or hug you like a brother! (I suspect the latter!)  :-*
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Offline xcvator

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Re: Retaining wall needed
« Reply #8 on: January 28, 2012, 11:52:20 PM »
Quote from: Mace on January 28, 2012, 07:37:22 PM
:cup:

Ive got a mate called Keith, he never has any idea what hes talking about either! Especially after a few reds.
And I personally reeaaaly dooonn't fiinnnnnkk theres nofffing wroong with a bbootttlle or 3 of Grunge  sooooorry Grange Hemitaage or Chateau Carboor after di di di .ahh Shit ,food
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Offline oldblade

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Retaining wall needed
« Reply #9 on: January 29, 2012, 12:35:08 AM »
Oops I meant 1 mtr high

3.5 is the width
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Offline GU_Thomo

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Re: Retaining wall needed
« Reply #10 on: January 29, 2012, 09:48:22 AM »
Asking on here is a good idea oldblade.
I need someone to re-roof my house.

Sorry about the hijack ;D

Cheers
Parry
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Offline Hairs

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Re: Retaining wall needed
« Reply #11 on: January 29, 2012, 09:49:36 AM »
Quote from: oldblade on January 29, 2012, 12:35:08 AM
Oops I meant 1 mtr high

3.5 is the width
As BHG mentioned.
Anything over .9 Meter needs all the I dotted & the T's crossed with local council.
A lot of water can build up behind a wall, no matter what you construct it out of, all the right drainage need to be done.
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Offline Hairs

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Re: Retaining wall needed
« Reply #12 on: January 29, 2012, 09:51:29 AM »
Quote from: GU_Thomo on January 29, 2012, 09:48:22 AM
Asking on here is a good idea oldblade.
I need someone to re-roof my house.
Sorry about the hijack ;D
Cheers
Parry

Maybe we need a Tradies section in the Classifieds section for those wanting work done.
 :cheers:
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Offline MarkGU

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Re: Retaining wall needed
« Reply #13 on: January 29, 2012, 09:54:33 AM »
Quote from: Hairs on January 29, 2012, 09:51:29 AM
Maybe we need a Tradies section in the Classifieds section for those wanting work done.
 :cheers:
yeah you and BHG will have a wonderful time together Jon   :-*
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Offline briann532

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Re: Retaining wall needed
« Reply #14 on: January 29, 2012, 09:57:06 AM »
Oldblade,

In Baulkham Hills council, its a lot easier to get a private certifier to help you.
Council is a real PITA to deal with.
Of course some may suggest that only 1 metre its not worth the bother of involving council, but I would never suggest that.

I built a 1.3m retaining wall myself. I did get it engineered and certified as it was 58 metres long and 1.3 high.
I used keystone blocks and it was really easy.
At 3.5m wide it should only take a couple of hours.

If you go down that path and want some advice or a hand PM me.....................

Brian
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Offline Hairs

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Re: Retaining wall needed
« Reply #15 on: January 29, 2012, 09:57:38 AM »
If the bloke can keep up drinking with me, I'm sure we will.



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Offline MarkGU

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Re: Retaining wall needed
« Reply #16 on: January 29, 2012, 09:59:42 AM »
Quote from: Hairs on January 29, 2012, 09:57:38 AM
If the bloke can keep up drinking with me, I'm sure we will.


Jon....he's a Pom so he can only "ave a arf" at a time  ;D
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Offline oldblade

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Retaining wall needed
« Reply #17 on: January 29, 2012, 09:31:03 PM »
Thanks Brian and others

The wall is actually under my house and one of our foundations has fallen away ( not as bad As it sounds)

Recon 900 will be fine as a peak height

I have built a few retaining walls in my time and they are still retaining but as I need to put a new foundation foot behind this one I want it done right

Hornsby councils are the same I think 900 high so the wall will be you guessed it 900 high
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Offline Chippy76

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Re: Retaining wall needed
« Reply #18 on: January 29, 2012, 09:58:31 PM »
old blade,

Are you aware that if there is a new footing behind the wall, it will have to go down BELOW the base level of the wall ...
Might be easier to dig that before the wall goes in. And definately dont skimp  on the behind wall drainage !

Does that make sense?

Cheers Chippy
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Offline speewa158

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Re: Retaining wall needed
« Reply #19 on: January 30, 2012, 05:18:54 AM »
I dont know if this could help , but l could send you some PDFPs to make things a bit easier . Just send me the required hole size for the footings so l can provide  Pre Dug Fire Pits converted to post holes . Its a low cost converstion .
Then send Huge amounts of  :cheers: to my beer fridge / s, to aid in the production
Anybody else that wasnts a PDFP for their next trip can reply as well
                                                                              :cheers:
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Offline TOY80ST

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Re: Retaining wall needed
« Reply #20 on: January 30, 2012, 06:52:22 AM »
I have a 0.9M retaining wall in my backyard. I will post up some pictures here when I get home from work tonight. It was made out of sandstone rocks and it is also where our awning attaches to.
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Offline TOY80ST

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Re: Retaining wall needed
« Reply #21 on: January 30, 2012, 07:09:40 AM »
I found this one.

It took me 4 weekends including the paving.





 I will hunt out the construction photo's tonight. Cant access photobucket web site at work and this one was in my build up thread.

Paul
« Last Edit: January 30, 2012, 07:12:25 AM by TOY80ST »
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