BUILDING A FRESH FUTURE FOR CONTAMINATED SITES

Transcription

1 BUILDING A FRESH FUTURE FOR CONTAMINATED

2 TOGETHER, WE NEUTRALIZE POLLUTION TO BUILD THE FUTURE For more than 10 years, REMEA has been working for the good of the environment and its clients, by giving polluted sites a fresh future. core activities INDUSTRIAL Decontamination of ponds, effluents, and sludge on operational sites REMEDIATION WORKS CONSTRUCTION Remediation of waste water and optimization of spoil Remediation of soil and groundwater, both on and off site THE GROUND IS A RESOURCE THAT SHOULD BE PRESERVED Our services allow former industrial sites on the periphery of urban areas to be reused, thereby preserving the rural environment. By protecting the balance between urban and rural spaces, we are contributing to the local ecology. We offer remediation solutions for operational sites and management of pollution migration so you can undertake your construction projects on safe ground. As a subsidiary of the soil specialist Menard, we employ innovative treatment procedures in situ or on site. This limits off-site transfer of contaminated material, which can be costly from both a financial and an environmental point of view.

3 OUR STRENGHTS Highly engineered solutions A wide range of in situ and on site treatment technique Specific techniques: Soil mixing, injection, Reactive Permeable Barriers A deep-seated safety culture Tried and tested operational reliability The decontamination of industrial sites is a major challenge for the previous user of a site, and for its future user, especially in terms of remedial costs and time schedules. Thanks to a wide range of remediation solutions, we can design and implement responses adapted to the constraints of your project. At our laboratory, we test and scale solutions, thus reducing the technical uncertainties. We offer 360, turnkey solutions: Demolition, remediation, decontamination, and geotechnical improvement to deliver platforms ready for construction, as part of the global delivery of reconversion projects. OUR TECHNIQUES REMEDIATION WORKS MAYFIELD, NSW g CHALLENGE Former steelworks site, consisting of housed copper smelters, gas holders and ancillary operations with steelworks waste (slag) SOLUTION Design and construction of a barrier wall diverting groundwater flow away from the contaminated areas of the site YEAR 2007 CLIENT Regional Land Management Corporation DID YOU KNOW? Menard Oceania received the 2007 Engineering Excellence Award for this project. It is the deepest cutoff wall installed in Australia (50m deep) SOILS GROUND WATER TREATMENT Pump and Treat Sparging Skimming in excavation or boreholes (ODS process) In situ oxidation In situ reduction Vertical containment on site Draining trenches Hydraulic barriers Permeable Reactive Barriers, filtering gates Venting, bioventing Sparging Biological treatments (biostimulation, bioaugmentation) Mechanical extraction of volatile compounds in situ or on site (MAVENSOL process) Chemical immobilization In situ oxidation and reduction A manchette tubes injection (SOLG ROUT process) Soil mixing (SOLMIX process) Thermally assisted extraction, supported by porosity stimulation Excavation-substitution with an augur Reduction of volumes by screening Soil washing Excavation and evacuation of spoil Containment on site: PRB, cut-off walls

4 With increasingly dense urban environments, construction companies regularly have to deal with pollution of soils and groundwater, which, during the construction phase, can have an impact on: Pumped groundwater Excavated soil Site sludge The local environment, in terms of odors and dust We make our expertise available to you to deal with these issues, advising you on the best strategies to adopt. CONSTRUCTION OUR SERVICES AND RELATED TECHNIQUES WATER AFFECTED BY SUSPENDED SOLIDS Sizing and on-site supply of the appropriate mobile wastewater treatment units Analytical follow-up POLLUTED SOILS Soil characterization Excavation mapping Optimization of waste treatment outlets, resulting in cost savings Supervision of waste evacuation including regulatory traceability Turnkey service for the excavation and removal of contaminated soils SLUDGE Sludge treatment, drying/dewatering and disposal or recovery ODORS AND DUST Environmental follow up on site and around sites (digital measures or quantitative captors) Impact reduction: control of the airflow, masking agents, atomizers, work under depressurized tents OUR STRENGHTS Operational engineering with a commitment to results Modular treatment units designed for each site Connected systems allowing a reliable monitoring BARANGAROO BLOCKS 4&5 h CHALLENGE Remediation of Soil Contamination From Former Gasworks For High Profile Inner City Site. METHODS Temporary Jet Grout Retaining Walls Soil Bentonite and Composite Sheet Pile Walls In-Situ Concrete Diaphragm Walls Works Conducted Under Odour Control Tent DURATION Works undertaken throughout 2016 CLIENT Lend Lease

5 OUR STRENGHTS g KEM-ONE FOS CHALLENGE Treatment of an industrial pond contaminated with chlorinated solvents SOLUTION Extraction of chlorinated solvents by stripping and filtration YEAR 2012 (3 months) CLIENT Kem-One (Fos-sur-Mer, France) A multi-technique approach Process and equipment engineering capability In-house supply of dredging, dewatering, and physical-chemical treatment equipment Integration from the design phase of health and safety concerns INDUSTRIAL Industrial activities may generate on-site effluents and sludge that must be treated and removed. We facilitate industrial processes by handling: cleaning of sludge from settling tanks and ponds treatment of effluents sludge dewatering as a continuous process on site pre-treatment of sludge or waste We meet all the necessary environmental, safety and quality standards: ISO 14001, ISO 9001, OHSAS 18001, and we can rely on a team of engineers and project managers with full knowledge of the regulations governing sites. OUR TECHNIQUES Hydraulic or mechanical dredging/cleaning Final clean-up of ponds Dewatering by filtering bag, filter press, or centrifuge Multi-phase separation Water treatment by filtering, stripping, physico-chemical or biological means Disposal or recovery of dewatered sludge and by-products Stabilization using binders

6 HEALTH, SAFETY, ENVIRONMENT As a responsible company, we put health, safety and the environment at the heart of our concerns. Our objective is zero accidents, so our safety policy is built on the commitment of both management and every employee towards a profound change in behavior. On our sites, we regularly monitor the level of pollutants in the air to check that it is in line with collective and individual protective measures to preserve the health of our staff and of all the stakeholders involved. REMEA has OHSAS and MASE certification. OHSAS 18001:2007 HEALTH, SAFETY, ENVIRONMENT ENGINEERING SOLUTIONS We have a team of highly qualified, multi-disciplinary engineers to provide state-of-the-art expertise in: The analysis of problems Designing the best treatment strategies Laboratory testing Digital simulations Implementation of the recommended solutions The choice of treatment solution is dictated by the expected outcomes for each approach: Chemical, biological, physical, thermal. It also takes into account the costs and associated technical and financial considerations, along with health and safety issues. INNOVATION AND RESEARCH & DEVELOPMENT We invest heavily in the area of innovation. Either as part of our in-house research, or in collaboration with our main partners, our R&D program involves: the continual quest for new processes capable of degrading, neutralizing, or extracting pollutants the improvement of techniques and materials used to enhance pollutant-reagent contact, which is the key to the success of any treatment We have a unique portfolio of proprietary expertise and patents.

7 WHERE WE OPERATE REMEA has an international network of agencies, and also operates through local subsidiaries of Menard. REMEA France North France South Warsaw Dubai Sydney MENARD Photo credits: Clive Lawrence, Kevin Doyle, Remea and Menard photo libraries, all rights reserved Menard SYDNEY HEAD OFFICE Menard Oceania Pty Ltd Level 3, Lyonpark Road Macquarie Park NSW 2113 Australia Tel: Fax: BRISBANE 6 Chapman Place Eagle Farm QLD, 4009 Tel: MELBOURNE 217 Arden Street North Melbourne VIC 3051 Tel: PERTH 113 Radium Street Welshpool WA 6106 Tel: info@remea-group.com Connect with us A brand of