GEOTESTA - CONSULTING ENGINEERS

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2 GEOTESTA - CONSULTING ENGINEERS Our aim is to know more about who you are and what you plan to do Geotesta is a specialist Geotechnical Engineering firm established in 2006 with offices in Melbourne and Brisbane. It has successfully completed more than 1,000 projects in Australia. The completed projects include land development, residential and commercial buildings, road and water infrastructures, and mining projects. The core business is providing engineering services to mining companies, local and state governments and authorities, builders and contractors, architects and other engineering consultants. At Geotesta, we listen. Our aim is to know more about who you are and what you plan to do. We think long term - finding the best way to optimise your investment over the life of your project. We believe in geotechnical design by observational method, a geotechnical model based on field measurement and instrumentation that could reduce construction and mining operation cost and increase safety. OUR UNIQUE AREA OF SPECIALITIES Areas of proven ability include civil and geotechnical services for urban development, roads and bridges, structures, water supply and sewerage, railways, ports, roads and asset management. We provide reliable geotechnical, mining and civil engineering analysis and design solutions supported in the following areas: Civil Geotechnical and Field Testing Slope Stability and Landslip Risk Assessments and slope stabilisation Road Pavement Investigation and Design Improvement Design Drainage, and Slab Designs Structures Construction, Micro tunnelling and and Earth Embankments Structural Sensors testing soil and rock testing Mining Geotechnical Underground Mining Rock Mechanics Reviews Shaft Assessments and Reviews Open Cut Mine Slope Stability Assessments Instrumentation and monitoring for groundwater and slope stability Instrumentation for tunnelling works Ground Control and Remote Monitoring Geotechnical Engineering for Mine Infrastructures and haul roads Tailings dams, investigation, design and monitoring Foundation design for mine processing plants Blasting and Vibration Monitoring

3 GEOTESTA - CONSULTING ENGINEERS We deliver quality professional geotechnical, mining and civil engineering, services MISSION STATEMENT Geotesta delivers quality professional geotechnical, mining and civil engineering, services and products to provide our clients with safe and cost effective projects. We focus on: People - attracting, developing, retaining and rewarding high calibre personnel Clients - understanding and meeting their expectations Financial Performance - providing attractive returns to shareholders Management - continually improving our processes and service delivery Business Development - sustaining and expanding our profile and markets SERVICE QUALITY The corporate objective is to provide engineering excellence through a process of continuous improvement in our service quality. The company s interest is to provide engineering solutions on time, within budget, technically excellent and socially responsible which conform to contractual and regulatory requirements. To achieve this objective, Geotesta has continuously been developing best consulting practices which is applied to the conception, planning, investigation, design, documentation, tender evaluation, procurement and contract administration phases of a project. They are based on the requirements of AS/ NZS ISO 9001: 2000 Quality Systems Model for Quality Assurance in Design, Development, Production, Installation and Servicing. The service quality in Geotesta is implemented through the following key strategies: to satisfy the need for highly motivated people with appropriate qualifications and proven work skills. Encouragement of technology transfer and professional development by means of attendance at professional seminars and appropriate courses, and by dissemination and reading of technical papers published by other experts. that engenders positive attitudes, encourages personal and technical development, and which rewards effort, integrity and initiative. emphasis on the clients needs, interests and requirements. in all work undertaken by Geotesta and is practised by all personnel in their daily activities. is confident that the knowledge, work skills, continuing professional education and dedication of our staff will contribute to the delivery of quality in the services performed.

4 GEOTESTA - GEOTECHNICAL ENGINEERS We help our clients deal with challenges in a practical, hands-on manner CONSTRUCTION MATERIAL TESTING GEOTESTA provides a wide range of construction materials testing services and works closely with materials testing laboratories under current industry standards. Once construction is underway, our extensive experience and innovative thinking allows us to help our clients deal with challenges in a practical, hands-on manner to keep their project on track and to verify that the construction meets the project specifications. GEOTESTA provides a wide range of monitoring and testing services during construction, including: water impact depth and capacity, shallow and deep foundations Pre/Post Construction Surveys Before Construction gradings, Atterberg Limits, Compaction, CBR, Linear Shrinkage, Permeability, Triaxial UU and CU Unconfined Compression test, Triaxial, Direct Shear Test friction coefficient During Construction under Level 1 testing

5 GEOTESTA - GEOTECHNICAL ENGINEERS We work closely with market leaders in the civil and structural engineering sector FOUNDATION AND GROUND IMPROVEMENT DESIGN GEOTESTA experienced geotechnical engineers specialise in conventional and innovative foundation and ground improvement solutions. Advanced technology in ground engineering design is won by maintaining contacts with leading academics and contractors. This provides us with an up-to-date understanding of the latest construction techniques. We work closely with market leaders in the civil and structural engineering sector and through these well established associations have a sound appreciation of key design interface issues at foundation level. Our team can provide important technical advice at the project inception stage and work closely with project owners to identify ground risks early on, enabling investigations to be focussed on determining feasible foundation solutions. This knowledge, coupled with our extensive track record and geotechnical database, enables us to develop an engineering solutions that save construction time and cost. GEOTESTA provides a wide range of foundation and ground improvement designs including: field testing, Cone Penetrometer (CPT), Dilatometer, and Pressuremeter. assessments of foundation and ground improvement and deep foundation options solutions, including dynamic compaction, rammed aggregate piers, impact piers, compaction grouting, jet grouting and vertical drains tailored to site conditions and ground engineering construction supervision

6 GEOTESTA - GEOTECHNICAL ENGINEERS Our engineers have significant experience in landslip risk assessments SLOPE STABILITY AND LANDSLIP RISK ASSESSMENT Geotesta provides geotechnical investigation and landslip risk assessment services on properties situated on a sloping ground where risk to landslip is a concern and is in an Erosion Management Overlay. A landslip risk assessment may involve surveying of the slope, engineering geological survey, site surveillance, drilling and soil or rock testing program to assess the ground conditions. Our engineers have significant experience in landslip risk assessments and slope stability in Mornington Peninsula, South Gippsland, Bellarine Peninsula, Shire of Yarra Ranges, and Colac Otway Shire in Victoria. The experienced Geotechnical Engineers from Geotesta have provided their excellent geotechnical skills successfully on hundreds of landslip risk and slope stability assessment projects in Australia. The risk assessment follows the recommendation provided in Australian Geomechanics Society Guidelines (AGS, 2007). GEOTESTA provides specialist services in this area, which includes: drilling and dynamic cone penetrometer testing assessment of the sloping sites reference to AGS guidelines softwares, both analytical and numerical modelling Geotechnical modelling for slope analysis hydrogeological modelling the slope safety Form prepared by Chartered Professional Engineer with experience in landslip risk assessment. stability using advanced geotechnical instrumentation system

7 GEOTESTA - CONSULTING ENGINEERS We aim to provide a high level of service, satisfaction and professionalism RESIDENTIAL DEVELOPMENT SOIL TESTING AND STRUCTURAL DESIGN Geotesta Residential Development Division provides an entire residential engineering package to our clients to enable the successful completion of developments. We aim to provide a high level of service, satisfaction and professionalism within all components of our service offer. Whether you re in the small, medium or volume builder market, we provide fast track structural engineering design and documentation to meet your needs. We provide quick, efficient, design services to meet your business needs - we hear you! Residential services still require high levels of diligence and technical competence and we provide this with the full support of our experienced geotechnical and structural engineers. Our expertise includes footing design for various residential footing systems, including strip footings, raft slabs, and waffle slabs. Soil Testing And Site Classification existing footing exposure, and basement structure and testing equipment classification to Australian Standard AS recommendations, founding depth and bearing capacity Residential Structures or Double Storey Construction (Class A, S, M, H and P) and on Controlled Fill Sites Alterations and Additions

8 GEOTESTA - CONSULTING ENGINEERS Geotesta Engineers are committed to providing excellence RESIDENTIAL ENGINEERING - STORMWATER DRAINAGE DESIGN Geotesta Residential Development Division provides an entire residential engineering package to our clients to enable the successful completion of developments. We aim to provide a high level of service, satisfaction and professionalism within all components of our service offer. Geotesta Engineers are committed to providing excellence in soil testing, structural design, stormwater drainage design and land capability assessment for each project. In this way our clients should expect an optimum solution which is targeted to produce the best value outcome for the project. Design of stormwater storage solutions for multi unit residential development and satisfy storage requirement depending on the specific needs and requirements of each development. Design of stormwater storage systems either above or below ground within tanks or pipes, depending on the site conditions. Stormwater detention and retention within one system including provision of control device to limit the discharge flow. Stormwater Management & Drainage Design: Detailed design and supporting documentation of the stormwater drainage network as required for any type of development. Liaise with the local authority and obtain their approval for the stormwater design as well as provide a certificate of compliance for the drainage design if required. Design of on-site stormwater detention: the additional stormwater generated by a development is stored on site and is slowly discharged via a control device into the municipality drainage system in order to reduce the load on existing network.

9 GEOTESTA - CONSULTING ENGINEERS We provide excellence in soil testing, structural design, stormwater drainage design and land capability assessment RESIDENTIAL ENGINEERING LAND CAPABILITY ASSESSMENT Geotesta Residential Development Division provides an entire residential engineering package to our clients to enable the successful completion of developments. We aim to provide a high level of service, satisfaction and professionalism within all components of our service offer. Geotesta Engineers are committed to providing excellence in soil testing, structural design, stormwater drainage design and land capability assessment for each project. In this way our clients should expect an optimum solution which is targeted to produce the best value outcome for the project. Land Capability Assessment For Onsite Wastewater Effluent Disposal: permeability to determine the absorption rate of the soil Assessment of the site features, topography, climate, vegetation, and soil physical and chemical properties Provision of effluent disposal technique using water balance method trench, subsurface and surface irrigation and other methods of effluent disposal as per EPA and local council guidelines

10 GEOTESTA - GEOTECHNICAL ENGINEERS We provide a wide range of pavement investigation and design solutions ROAD PAVEMENT INVESTIGATIONS AND DESIGNS GEOTESTA experienced geotechnical engineers specialise in conventional and innovative road pavement solutions. Advanced technology in ground engineering design is won by maintaining contacts with leading academics and contractors. This provides us with an up-to-date understanding of the latest pavement material and construction techniques, that could save your project construction time and cost. Experience, local knowledge, combined with a practical approach and sound engineering judgement are fundamental to both the rehabilitation of existing pavements and the design and construction of new pavements. GEOTESTA has a team of experienced designers and technicians specialising in undertaking the investigations and analysis required to develop a full range of practical and cost effective road pavement solutions. GEOTESTA provides a wide range of pavement investigation and design solutions including: sampling to investigate subgrade conditions, or the condition and construction of existing pavements stand area highway and freeway or concrete pavements. improvement options Residual life estimation and rehabilitation options for existing pavements options and their comparative costing using CIRCLY requirements drawings and specifications construction supervision Falling Weight Deflectometer testing

11 GEOTESTA - GEOTECHNICAL INSTRUMENTS AND GROUND CONTROL SYSTEM We understand the importance of using reliable, proven and appropriate technology GEOTECHNICAL INSTRUMENTATIONS Sensors and Data Loggers GEOTESTA experienced geotechnical engineers and technicians specialise in innovative geotechnical instrumentation system. We supply sensors and data loggers manufactured in ISO certified workshop of Sisgeo (Italy) and other reputable manufacturers. GEOTESTA is an advanced technology company, specialising in solutions in geotechnical engineering. We understand the importance of using reliable, proven and appropriate technology when dealing with extreme environments. Our installed base covers all environmental extremes throughout Australia and Asia. Indeed many of our clients have been using our systems for many years, and it only serves to reinforce our business philosophy of quality in design and support services. Groundwater monitoring: vibrating wire piezometer, casagrande and pneumatic piezometer, pressure gauge Ground settlement measurement: borehole magnetic extensometer, settlement cell and settlement gauge, hydraulic profiler gauge Ground inclination: tiltmeter, inclinometer, crackmeter, extensometer Load monitoring: hydraulic and electrical load cell, earth pressure cells Management of monitoring data: handheld data logger, field data logger, radio or mobile connection for remote data collection, web enabled data presentation and monitoring GEOTESTA provides a wide range of geotechnical and structural sensors including: Rock stress measurement: borehole packers, rock pressuremeter, shotcrete stress cell, rock bolt stress Ground displacement: wire extensometer and crackmeter, tape extensometer, slope monitoring, borehole micrometer and extensometer Mine ground control monitoring: seismic and vibration monitoring, load cell, piezometer, rock bolt strain gauges and readout, total pressure cell, acoustic meter

12 GEOTESTA - GEOTECHNICAL ENGINEERS Our installed base covers all environmental extremes throughout Australia and Asia GEOTECHNICAL INSTRUMENTATIONS Installation and Monitoring Services GEOTESTA experienced geotechnical engineers and technicians specialise in innovative geotechnical instrumentation system. We supply sensors and data loggers manufactured in ISO certified workshop of Sisgeo (Italy) and other reputable manufacturer. GEOTESTA is an advanced technology company, specialising in solutions in geotechnical engineering. We understand the importance of using reliable, proven and appropriate technology when dealing with extreme environments. Our installed base covers all environmental extremes throughout Australia and Asia. Indeed many of our clients have been using our systems for many years, and it only serves to reinforce our business philosophy of quality in design and support services. GEOTESTA provides a wide range of geotechnical instrumentation services including: field activities management, quality assurance and commissioning, and preparation of monitoring report. instrumentation engineers and technicians. Management of data and measurements from monitoring systems; Automatic or manual data download; Data validation; Analysis of the behaviour of the system; Data presentation including report, plots, tables; Database management. System: Accessing the data via web browser in real time using Geotesta igems 2.0 (integrated Geotechnical Monitoring System). design of monitoring plan and strategy; Design of monitoring systems; Provision of technical specification including drawings and bill of quantities. and Sensors: to client s technical specifications including supply of sensors, work method development, management of subcontractors,

13 GEOTESTA - GEOTECHNICAL ENGINEERS Geologists specialise in conventional and innovative mining solutions TAILINGS AND MINE WASTE ENGINEERING GEOTESTA experienced geotechnical engineers and geologists specialise in conventional and innovative mining solutions. Advanced technology in mining engineering is won by maintaining contacts with leading industry players and mine design consultants. This provides us with an up-to-date understanding of the latest mining technique, that save time and cost, and increasing the safety of the mine site. Our engineers have experienced in a wide range of tailings and mine waste products and hands-on knowledge of proven management techniques under a broad range of climatic conditions. We also have in-depth experience in understanding the long-term evolution of solids and pore-water pressure in tailings storage facilities, allowing robust assessment of the adequacy of management and closure plans. To achieve real cost benefits for tailings disposal, it is necessary to integrate the design of the process plant with the tailings disposal system, while giving consideration to all design aspects from site selection to impoundment closure. Our philosophy towards tailings and water management is heavily based on international best practice. We aim to provide solutions that appropriately cater to each project s needs, providing stable facilities that can be practically operated and successfully closed. GEOTESTA provides a wide range of tailings and mine waste engineering design services including: hydrological and geochemical characterisation, evaluation and design water management Risk and hazard assessment, failure evaluations and emergency response plans of tailings facilities density materials characterisation acquisition and compliance management and quality assurance and management

14 GEOTESTA - GEOTECHNICAL ENGINEERS Up-to-date understanding of the latest investigation technique GEOTECHNICAL INVESTIGATION SOIL AND ROCK TESTING GEOTESTA experienced geotechnical engineers specialise in conventional and innovative geotechnical investigations. Advanced technology in geotechnical investigation and assessment is gained by maintaining contacts with leading academics and international consultants. This provides us with an up-to-date understanding of the latest investigation technique providing accurate and reliable geotechnical information. GEOTESTA provides a wide range of geotechnical investigation services including: Site investigations, including specialist field testing such as Plate Loading Test, Cone Penetrometer (CPT), Dilatometer, and Pressuremeter. Test pit excavations and Port Structures Water and Sewer Pipeline Construction, Micro tunnelling Farm Dams, Water Storage Ponds, and Earth Embankments Wind Turbines, Telecommunication Towers, Transmission Towers Wastewater treatment plant Mine processing plant and infrastructures Seismic refractions Geology and geomorphology survey Geotechnical data interpretation and provision of parameters for geotechnical and structural designs Provision of numerical and finite element analysis software and tools for geotechnical and structural design GEOTESTA engineers have significant experience in working on: Multi-storey Buildings with Basement Slope failure rehabilitations