A well planned and executed geotechnical ground investigation allows e management of engineering, health and safety and nancial issues.

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1 DE Consulting Group Geotechnical Capability tatement 2018

2 Our Geotechnical ervices DE Consulting Group Ltd (DE) is a leading provider of Geotechnical, Environmental, and Occupational Hygiene ervices with over 20 years experience. Clients bene t from our practical solutions through the successful integration of industry experience, innovative practices and technical excellence. DE's team of cientists and Engineers provide a range of "in house" Geotechnical, Environmental, Occupational Hygiene, Drilling and Laboratory ervices tailored to address our Clients objectives and goals in accordance with the appropriate legislation and guidelines. Our NT accredited laboratory provides tangible bene ts through reduced turnaround times and by prioritising analysis depending on project requirements. Eliminating the dependence on third party laboratories and drilling o ers, our Clients experiencethe bene t of signi cant cost and time savings. dditionally, our capability with the Comacchio 205 Drilling Rig enables ready complex Geotechnical and Environmental investigation. Geotechnical Investigation and Capability ite investigations identify the ground and Environmental conditions which may a ect a particular development, arriving at an understanding of the site and immediate surroundings which will inform safe and economic development for our Clients. well planned and executed geotechnical ground investigation allows e management of engineering, health and safety and nancial issues. cient design and supports risk DE Consulting Group provides a Geotechnical Engineering (GE) team of highly skilled, motivated, experienced and professionally quali ed geologists and geotechnical engineers. We have over 30 years experience providing practical and robust geotechnical advice and project management for the full range of geotechnical services, including support to major high pro le civil engineering projects. Our strengths: upport Client throughout the project cycle from initiation to completion O er broad ranged experience in all aspects of geotechnical engineering Integrate in-house geo environmental investigations and laboratory services Ensure well-developed and focused collaboration and communication skills to maximise Client bene ts and positive outcomes We pride ourselves on consistent and fast turnaround of reports. Our professional, quali ed and experienced sta s are supported by an in-house NT-accredited laboratories o ering a 24 hour 7 days a week service. We aim not only to solve geotechnical and environmental problems which exist and may have occurred on your site, but to provide proactive, site-speci c and practical recommendations to ensure our Clients arrive at their desired objectives in a cost-e ective manner. ydney O ce: Victorian O ce: Newcastle O ce: Internet: Telephone: NW: (02) BN:

3 Geotechnical Investigations Desktop studies including Gap nalyses and Due Diligence assessments; Walkover urveys including site and asset inspections; geomorphological, geological and rock slope mapping; hydro-geological assessments; Intrusive ground investigations including planning, scoping, management and reporting of intrusive ground investigations in accordance with 1726:2017; Pavement and earthworks investigations including in-house De ection Test (Benkelman Beam testing); Borehole drilling - using in-house Comacchio Geo 205 rotary and Bunyip drilling rigs for sampling, in-situ testing and groundwater well installation and monitoring; Geotechnical Risk ssessments; Geotechnical Reporting including factual, interpretative and geotechnical design reporting. Construction Material Testing (CMT) Geotechnical Laboratory NT accredited geotechnical and construction materials sampling and numerous laboratory tests to prevailing ustralian tandards, of: Rocks; oils; Chemical or asbestos contamination; ggregates; Concrete; Thermal resistivity testing as per TM D ; and sbestos Contaminated Material: Compaction, California Bearing Ratio and Plasticity Index. ydney O ce: Victorian O ce: Newcastle O ce: Internet: Telephone: NW: (02) BN:

4 Geotechnical Interpretation and Design Geotechnical interpretation and analysis for design and speci cation: Foundations recommendations; Rock / soil slope and excavation stability assessments; Geotechnical advice and speci cation for earthworks and drainage; Road and rail subgrade assessments; Pavement investigation and design; Groundwater control; Retaining walls; Liquefaction assessments; and Ground improvement advice. Geotechnical ssessment and Construction upport dvice Level 1 and 2 Geotechnical Inspection and Testing as per 3798:2007; Pile platform and crane pad assessments and design; Pile construction veri cation and bearing capacity assessments; Earthworks proof rolling and ground improvement assessments; Vibration monitoring and dilapidation reporting; ssessment for temporary works designs; Dynamic Cone Penetrometer (DCP) testing; and Plate Load Testing (PLT) as per B1377 9:1990. Laboratory ervices DE in-house NT accredited analytical laboratories are accredited to IO and is capable of undertaking asbestos, chemical and construction materials testing. For detailed scope of our NT accredited, visit the NT web site and search our accreditation number (14664). DE ccreditations DE Clients can be assured of our professionalism and processes. In addition to NT accredited laboratories we have an accredited Integrated Management ystem comprising Quality ssurance, Environmental Management and Health and afety ystems. IO 9001:2015 /NZ 4801:2001 IO 14001:2015 IO 17025:2017 ydney O ce: Victorian O ce: Newcastle O ce: Internet: Telephone: NW: (02) BN:

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