tewag - Technologie - Erdwärmeanlagen - Umweltschutz GmbH

The tewag GmbH employs planners and experts who are independent of supplier interests and have core competencies in the fields of geothermal energy and contaminated sites. With expertise and more than 20 years of experience, we support our customers in solving their tasks. High quality, flexibility, costs and adherence to schedules are the basis for the satisfaction of our customers. The use of geothermal energy (near-surface geothermal energy by means of heat pumps and deep geothermal energy) makes a considerable contribution to the conservation of resources and the environment. The engineering office tewag GmbH examines the geological conditions for the use of geothermal energy, plans and optimizes the design of geothermal probes and creates complete geothermal heating systems in cooperation with partners. Heat supply contracting is particularly interesting for near-surface geothermal energy both for public clients ("Public Private Partnership"), as well as for private investors. A competent processing of contaminated sites from the historical investigation to the remediation support by our experienced experts (according to §18 BBodSchG) make contaminated sites plannable and calculable. This creates security in assessments and smooth processes and calculable costs in construction projects. The historical exploration is the basis for a targeted, effective and cost-optimized technical exploration. Within the scope of the orienting investigation, soil, soil air and, if possible, groundwater samples are taken and examined for the pollutants to be expected on the basis of the historical investigation. For chemical analysis, we work exclusively with accredited testing laboratories. If the orienting investigation substantiates the suspicion of the existence of a contamination of the subsoil, a detailed investigation is necessary in order to be able to carry out a hazard assessment. Once the detailed investigation has been completed, remediation concepts can be developed and any remediation costs estimated. Our areas of focus include the

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• Development of remediation concepts
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• Comparison and optimization of remediation techniques
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• Tendering, construction and operational supervision of remediation systems
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• Comparison and review of disposal and recovery options
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• Preparation of a disposal and recycling certificate
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• Construction management
• Planning and coordination of remediation projects and
• Occupational health and safety measures,and
• SiGe and ArSi planning.

tewag - Competence and experience in the fields of geothermal energy and environmental protection.

We are consulting geoscientists BDG and experts in geothermal and environmental protection. Mainly specialized in the design of larger probe fields and thermal response tests, these allow accurate calculations of the heat source and thus significant cost savings. Another focus are contaminated site assessments (§ 18 BBodSchG).

• Planning and consulting in geothermal energy
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• Sampling and expert opinions for contaminated sites
• Modeling according to geothermal response test
• Calculation and remediation measures
• Hydrogeological expertise
• Planning of special fields and well installations
• Construction management in the field of contaminated sites and geothermal energy
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• Feasibility studies and documentations
• Construction supervision, applications for authorities

• Geothermal energy
• Contaminated sites, remediation
• Environmental protection
• Ground heat plants
• Energy utilization
• Technical consulting
• Planning
• Hydrogeology
• Appraisal
• Geothermal response testing