TL;DR: Soil testing, levelling, stabilisation and drainage all play important roles in preparing a site for building work.
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Building a new home is an exciting prospect, and a lot of thought goes into what it’s going to look like inside and out. Quite right, too, but there are important stages to go through before you get as far as even creating a building, never mind fitting it out and decorating. There is the very basic matter of site preparation for a home build.
House Pad Preparation
A house pad is a stable base to build on, and achieving this is absolutely crucial. As is the way in this country, there are official standards that must be adhered to: Australian Standards like AS 2870 (Residential Slabs and Footings) and AS 3798 (Earthworks), and the company that is preparing your land must be careful to comply with all the details.
There may be topsoil and vegetation to be cleared, and the site must be level, so there could be cutting and/or filling to be done. If you’d like to understand this process in more detail, read our guide to using cut and fill for site preparation.
There may be a need for soil compaction and stabilisation. Another subject that must be addressed is drainage and water management. Proper house pad preparation before construction helps ensure the site is ready to support the building work that follows.
Site Analysis and Soil Testing
Before you can get started on preparing the land it must be established that this is a site that is suitable for building on. Soil testing can reveal much more than the naked eye can see, and if the soil is unsuitable it will have to be removed and something more stable put in its place.
For all its attractive qualities, the Sunshine Coast is as likely as anywhere to suffer geological issues such as unstable soil conditions, steep slopes and vulnerability to flooding. All these things can be dealt with, but first they must be identified. Understanding how soil type affects an earthmoving or excavation project can help explain why assessing the ground before work begins is so important.
Professional Sunshine Coast excavation services can then take the site conditions into account when determining the earthworks required before construction.
Site Clearing and Debris Removal
Having established that the site is indeed suitable for building a house, we come to the task of clearing it, ready for construction to start. If it is a virgin site, this will include tackling whatever vegetation there is (and the expression “nature abhors a vacuum” is perfectly true: show Mother Nature an empty space and it will soon be invaded by some kind of plant life).
On your land this may be scruffy, low-growing plants or substantial trees. Professional land clearing can remove vegetation and other obstacles so that the site is accessible and ready for the next stages of preparation.
In the latter case the timber may be suitable for being cut up and used as firewood. In all cases it is probably possible to use the material as mulch for gardens, yards and public spaces. Fraser Earthworks also provides mulching services for managing vegetation and organic material.
Roots must be removed along with any rocks that could cause problems when it comes to digging foundations. You can learn more about how this stage fits into the overall development process in our guide to how land clearing prepares a property for development.
Utility Connections and Base Prep
You are going to need basic services such as electricity, water and gas, and work must be done on this before construction starts – but there’s another potential issue. If the site has played host to a building in the past, there may be drainage pipes, cables and other impediments under the ground, all of which must be safely removed.
Depending on the site and scope of the build, this preparation may involve a range of general earthworks and excavation work to create a suitable base and prepare the land for construction.
All in all, there is more to building a home than meets the eye, so it is essential to find yourself a good, experienced earthworks company like us that can do all the preparation to the standards required, and can deal with potential problems in a wide range of areas. If you’re preparing a property for construction, our guide to what to expect from earthworks on the Sunshine Coast provides a useful overview of the wider process.
