Why Soil Test Is Important...?
For The Protection of Your Investment:
For a small sum you can protect, possibly, the largest investment of your life. Without the right foundations, building can move and walls can crack.
Why risk the expense for the cost of a soil test:
Problems can be discovered prior to purchase or building.Being aware of any problems will enable you to determine future costs and help you to make vital decisions about the suitability of the land for building .
About Residential Soil Testing:
A Drill Rig and other equipment are used to collect information and samples at various levels on the site. Samples are taken to the laboratory for testing.
- Drilling & Boring by shell method
- Dynamic Core Probing
- Standard Penetration Test
- Plate Load Test
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Soil Testing issues
- Access into and within the site:
The quality of this contributes greatly to the site Investigation
- Type of Soil:
A clay is reactive to moisture change and can swell when exposed to water and shrink when it dries. Sand will settle under load and vibration. A silt will lose strength when wet.
- Trees can fraw moisture from the clay soil causing shrinkage near the footings. Roots can also grow near the house foundations.
- Rock Boulders (Floaters) can move independently underground or cause a large void when excavated.
- Soft Soil will settle when loaded.
- Deep Marine Clays may have little or no bearing capacity.
- Steeper Slopes may have slip potential.
- Lower Lying Areas could have Potential Acid Sulphate Soils.
- Filled Areas may have issues with uncontrolled or un-compacted soils placed in the building area.
- Cut and Fill Building Pads could have differential settlement.
- Water Table depths will determine if there will be excavation issues.
- Rock Layers can also affect excavation.
- Suitability of the soil to take waste water ie. Sewerage and grey water.
- Suitability of the Block of land to dispose of on-site waste water.