Geotechnical Engineering

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admin@reseng.com.au
+612 9896 5494
Level 2, 73-75 Dunmore Street, Wentworthville, NSW 2145

Residential Engineering provides an array of services for residential projects. When planning your project it’s crucial that ground conditions are suitable to build on. Land slope, fill, clay concerns and piling requirements all need to be investigated before construction can start. We are highly skilled in our field, with laboratory testing facilities to ensure accurate results. Our wide range of geotechnical services include soil testing, land capability assessments, ground slab depth testing, compaction testing, wind classifications and more. Our reports detail information relating to the site/soil condition, compaction information, BAL (if needed) and provides recommendations for footings and foundations.

With the use of our testing facilities and our highly skilled team, Residential Engineering can provide clients with timely and accurate results. Our geotechnical team conducts a wide range of services tailored to suit your specific project.

Our full range of geotechnical services include:

  • Site classifications
  • Soil test and analysis
  • Land slip reports (slope, prone to slide)
  • Unauthorised structure inspections
  • Wind classifications


FAQ

Do I need a soil test?

Soil tests are needed before commencing a building project as it determines the type of slab and foundation that must be used. Some soil types such as ones with a lot of moisture require a much stronger slab than more balanced soil types, difficult areas cost more to build on due to the need for a stronger foundation. Soil tests also determine the weight that the soil can support.

Do I need to know my wind classification?

Knowing your area’s wind classification is crucial for every building project as it can influence your structure’s durability, construction cost, bracings, tie-down fixings & design, framing & trusses, cladding and windows. Wind Classification requirements are outlined in the Australian Standards (AS 4055-2012) to ensure the best outcome for engineers and builders.

What makes an area prone to a landslip hazard?

Some factors that may contribute to a landslip hazard could be: the contours of the land, the design of your structure, soil type, vegetation, climate, water levels, and more.

Is my soil test still valid?

Typically, a soil report will remain valid unless there is a change to the site’s conditions, these changes could include:

  • New trees, either on your property or adjacent properties
  • If the property is in an area prone to erosion or landslides
  • Excavation of soil from your property, and/or fill being put onto your property (such as landscaping changes)
  • If the area that you want to build your new structure on wasn’t previously tested in the report

It should also be noted that old soil tests may not be in accordance with current standards or current soil testing procedures, which means it may not be as accurate as necessary.

Can I build new structures without a soil test?

Any structure that requires a building permit will need a soil test. E.g. sheds larger than 10m², this is because these structures will require building permits that need the relevant engineering documents in order for the permit to be approved, one of these documents is a valid soil test.

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