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groundzero
14 Posts
groundzero
14 Posts
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groundzero

Joined 30 November 2021
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28 d28 dgroundzerogroundzero posted:
Waffle slabs, slab heave and site drainage

What do they mean by referenced ? When your at VCAT it doesn't matter what the VBA say if the builder hasn't complied with AS2870 then they haven't fulfilled their…

28 d28 dgroundzerogroundzero posted:
Waffle slabs, slab heave and site drainage

AS 2870—2011
(b) Drains attached to or emerging from underneath the building shall incorporate flexible joints immediately outside the footing and commencing within 1 m of the building perimeter to…

28 d28 dgroundzerogroundzero posted:
Waffle slabs, slab heave and site drainage

On highly reactive site they should back fill with clay. one issue that does come up in slab heave cases is the pipe trench is dug flat or even sloping…

1 month1 monthgroundzerogroundzero posted:
Is there site cost for using pier and beam foundation?

Usually the first test is done with a hand auger if you are lucky you may be able to do one in the drive with a drilling rig but
sometimes thats…

Is there site cost for using pier and beam foundation?
  ⋅  2
1 month1 monthgroundzerogroundzero posted:
Soil surface movement Ys value - 60. H1 or H2 slab as per A

Your Ys estimate is 40mm-60mm for the soil type in climate zone 2 but your classification is "P" so your engineer has to consider the extra effect of other factors…

1 month1 monthgroundzerogroundzero posted:
Easement on side of Block -Advice Needed

You will need piers along that side of the house if you are within the angle of repose. West of melbourne there can be shallow rock in some areas which…

1 month1 monthgroundzerogroundzero posted:
How to monitor soil moisture to prevent slab heave?

No lucky it's not mine it's an insurance claim probably end up around 150k to repair everything your underfloor sensor probably would have saved 149k of the claim.

  ⋅  1
1 month1 monthgroundzerogroundzero posted:
How to monitor soil moisture to prevent slab heave?

Thanks for answering those questions Rob
It is an interesting concept. Do the sensors measure gravimetric, volumetric moisture or degree of saturation and I'm assuming you need to place a control…

How to monitor soil moisture to prevent slab heave?
2 months2 monthsgroundzerogroundzero posted:
Water ingress through brick wall into garage

It's a process of elimination so one of the other possibilities is underground stormwater break which would possible flood during rainfall
also check your downpipes especially the boot which is…

  ⋅  1
2 months2 monthsgroundzerogroundzero posted:
Water ingress through brick wall into garage

The paving outside must be sloping towards the wall ? and have you checked the guttering to see if it overflows when it rains.

2 months2 monthsgroundzerogroundzero posted:
Water ingress through brick wall into garage

Hi
I think you need a drain in the concrete paving to catch any water from your hose. If that doesn't work then you may have a pipe leak somewhere.
Try not…

2 months2 monthsgroundzerogroundzero posted:
How to monitor soil moisture to prevent slab heave?

Hi there
Interested to know if the sensors are placed at ground level and if so how would they detected a stormwater
or sewer leak which are are all below ground…

2 months2 monthsgroundzerogroundzero posted:
Water pooling around footings

First thing is to get a professional plumber to check your pipes for a leak.
It looks to me that water maybe entering under your house from the front yard lawn…

2 months2 monthsgroundzerogroundzero posted:
La niña vs el niño - slabs on clay

I can tell you the 3 things require for significant slab heave are 1.initial dry clay 2.highly or extremely reactive clay and then 3.a source of water.
I have seen hundreds…

  ⋅  1
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