Saline Ground Conditions

"Valley of Salt" - Salinity in the Western Australian wheatbelt near Bruce Rock, WA.

“Valley of Salt” – Salinity in the Western Australian wheatbelt near Bruce Rock, WA. photo by CSIRO

Salinity doesn’t have to be as bad as in this photograph to cause problems in new homes.

It’s also quite common for land that has not got salinity issues to develop salinity over several years.

Building Problems [read more…]

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Potential Acidic Sulphate Soils

Risk of PASS

Look to buy a block on a coastal plain, alongside a river, or a reclaimed wetland and you may see the area described as Potential Acidic Sulphate Soil (PASS).

Well PASS doesn’t mean OK!

Risk of PASS

Why, And Where It Occurs

These types of soil generally occur in areas which were flooded by [read more…]

Pre-Wetting A New House Block

sprinkler

Reason For Pre-Wetting

If you are Building On Clay that is dry there is a risk of Soil Heave.

This is due to expansion of the clay if the moisture level increases with particular risk factors being:

Building after a long period of very dry weather when large cracks in the surface are visible. [read more…]

Stormwater Discharge Point

Heavy rain

One check that is often forgotten when buying a house block in an established suburb is how storm water is removed from the site.

Forty, or more, years ago when land was cheaper, it was not unusual for blocks to be quite large compared with the size of the house.

Disposing of storm water [read more…]

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Different Soil Classification Results

When you look at a new house block its always worth asking the Developer’s Agent what the Soil Classification is ……….. Only don’t take what you are told too seriously!

Usually the developers opinion is going to be that the site is going to be better (lower site costs) than your builder.

To understand why [read more…]

Buying a Block

buying block-cover

anewhouse GUIDE – E-Book

Aimed at making sure you consider a wide range of issues to ensure you get the right block for your new home!

Posts from this Blog and Much More.

In pdf format so you can read it on your tablet computer.

read more…]

Drop Edge Beams

KONICA MINOLTA DIGITAL CAMERA

If you want to build your new home on a slope you may need to have the additional cost of needing drop edge beams on the low side of the slabs.

These are a sort of retaining wall to hold the fill under the house slab as shown in the drawing below.

[read more…]

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Types of Fill

compaction roller

You will often find a reference to ‘Fill’ in your Geotechnical Report.

Your site may require ‘Cut and Fill’ to level the site.

Here is a bit of information about the various types of fill:

Ordinary Fill

Ordinary fill is normally excavated material from the site or from a unspecified location. After placement the excavator [read more…]