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About
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RMA Soils specialise in geotechnical engineering and soil testing across the Surat Basin and Darling Downs regions. We are known for our responsiveness, accurate and reliable data collection and our consistent recommendations.

RMA Soils is the only soil testing company in the Darling Downs and South West that has the expert knowledge of an Engineering Geologist on staff. This expert knowledge enables RMA Soils to provide interpretation of soil testing results and data and make recommendations. Having this service in house enables RMA Soils to provide a wider range of soil testing capabilities and provide a faster turnaround to our clients.

Using industry best practice techniques and test procedures we are able to investigate, analyse and develop recommendations for simple and complex challenges for developers, builders, mining and energy clients.

Commercial Services
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    High level geotechnical services
    Supervision of drilling work by experienced geotechnical engineer
    Drilling of boreholds of 10 - 15m to accommodate multi storey buildings
    Provide suitable high level footing options and bearing pressures
    Temporary and permanent cut and fill batter slopes
    Comprehensive reports certified by an RPEQ engineer
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    Level 1 supervision
    Full time supervision onsite by experienced technical officer
    Field density testing for bulk earthworks using portable nuclear density gauge as it is being carried out
    Testing carried out in accordance with AS3798
    Provide feedback and technical assistance to your nominated earthworks contractor throughout the project
    Laboratory analysis of material density and moisture content
    In addition to the NATA endorsed test reporting, we provide a comprehensive report which outlines work completed, summary of test results, site maps, daily site inspection records and level 1 certification
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    CMT testing for subdivisional developments
    CBR testing for pavement design
    Provide compaction control testing on all aspects of construction including service trench backfill testing and pavement layers for road construction in accordance with AS3798 and local council requirements
    NATA endorsed test reporting
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    Construction materials testing
    AS1289 Soils
    AS3798 Level one supervision
    Soil compaction and density testing
    Department of Main Roads - Soils / Pavement Testing
Residential Services
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    Site investigation services
    Inspection of the site for abnormalities which can include existing fill, trees etc.
    Drilling of two test holes to at least 2.5 metres deep for standard residential buildings and extensions
    Visual assessment of the soil profile and collection of disturbed samples
    Laboratory testing of appropriate soil samples
    Site classification in accordance with AS2870 along with any relevant recommendations for the site
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    Building platform compaction control
    Field density testing for building platforms using portable nuclear density gauge as they are being constructed
    Testing carried out in accordance with AS3798
    Liaison with your nominated earthworks contractor
    Laboratory analysis of material density & moisture content
    NATA endorsed test reporting
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    Basic engineering site survey
    Onsite pickup of contours and features using GNSS GPS system
    Preparation of contour plan with manual location of relevant features including potential cut fill levels to provide an appropriate building platform
Infrastructure Services
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    Geotechnical investigation for bridges
    Pile design for bridges requires deep boreholes to allow for the design of suitable foundations. We can undertake and provide the necessary design parameters and tailor this to suit the bridge site. We can also undertake the investigation for the approaches to the bridge. This will include information for the subsurface profile, provide subgrade parameters for road design and base slabs.
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    Bored pile supervision
    Supervision during the construction of bored piles to provide comment on the insitu material compared to the design parameters. We will provide an RPEQ Endorsed report outlining the design and as constructed bored piles.
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    Road alignment investigations
    New road alignment design required insitu information. We can provide a full site investigation to determine the subsurface profile, provide subgrade parameters for road design and base slabs for culvert and deep drilling for any bridges. We can provide comment on bedrock parameters and strengths and possible rippability for cuttings.
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    Pavement investigation
    At times existing roads require upgrades or extensions. It is necessary to undertake an investigation of the existing pavement to provide design parameters. We can complete an investigation of the existing pavement profile and provide design information for the existing materials through the existing pavement and subgrade.
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    Road furniture foundation investigation
    Light poles, barrier fences and other road furniture require information to allow for the design of suitable foundations. We can undertake and provide the necessary design parameters and tailor this to suit the application.
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    Construction materials testing during construction
    We can provide field and laboratory testing during the construction of the infrastructure.
Geotechnical Engineering Services
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    RMA Soils can provide a wide range of geotechnical testing and inspection services
    Open flight auger drilling to 10m
    Shrink swell testing
    Shear vane and pocket penetrometer testing
    Dynamic cone pentrometer
    Permeability testing
    Pile platform design and certification
    Pile inspection design and certification
    High level geotechnical investigation
    Slope stability risk assessment
    Trench stability risk assessment
    Quarry assessment

Our combined expertise in regional and urban engineering is our strength. We bring our resourceful and innovative approach to all our work, whether it be a mining project out west or a multi-residential development in the city.

“RMA’s no nonsense, flexible and open approach distinguishes them from many other engineers.”

Dan Burley, General Manager,
Sommer & Staff Constructions
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Brisbane 07 3846 5885
Bundaberg 07 4130 5646
Toowoomba 07 4639 4100
RMA Engineers