Engineering demolition and dismantling of industrial plants, high-rise removal and heavy-load logistics from Cologne.

Jean Harzheim GmbH & Co. KG
Cologne · GüterslohNew on Amplifa
About Harzheim
Jean Harzheim GmbH & Co. KG from Cologne is a third-generation family business specialising in complex demolition work and the dismantling of industrial plants. The company develops project-specific engineering solutions, many of which are based on independently developed methods or technology transfer from other fields of engineering. Its range of services includes high-rise dismantling, low-vibration and low-emission demolition work, dismantling of the heaviest individual loads, work in contaminated areas as well as turnkey complete services including excavation pit construction. The offering is complemented by disposal and recycling, civil, road and sewer engineering, heavy-load cranes and transport, revitalisation of brownfield and industrial sites, and digitalisation services for the construction industry. Reference projects include the demolition of the Bayer high-rise W1 and the dismantling of the Amprion converter in Ibbenbüren. Since 2017 the company has been part of the Hagedorn Group (Gütersloh); its headquarters are located on Neusser Straße in Cologne.
- Site
- Köln
- Processes
- Demolition, dismantling and remediation of contaminated sites, Disposal, recycling and disposal concepts, Civil, road and sewer engineering and construction of outdoor facilities, Heavy-load cranes, transport and industrial assembly, Revitalisation - reconditioning and concepts for building land, Digital structures, products and services for the construction industry, Complex demolition work (engineering demolition), Dismantling of industrial plants
- Materials
- Engineering Demolition, Low-Emission Demolition, Remediation of Contaminated Sites, Heavy-Load Logistics, Revitalisation
- Certificates
- ISO 9001
- Founded
- 1926
- Employees
- 11-50
- Industries
- Construction/demolition industry, Chemical industry, Energy sector, Real estate and urban development, Chemical industry (e.g. Bayer high-rise W1), Energy sector (power plant demolition, Amprion converter)
- 01
Consulting and engineering planning
- 02
Demolition and dismantling
- 03
Heavy-load cranes and transport
- 04
Disposal and recycling
- 05
Excavation pit construction and civil engineering
- 06
Revitalisation of the site
Services and Methods
Engineering Demolition
Project-specific solutions for complex demolition and dismantling work, partly with technology transfer from other engineering disciplines.
Low-Emission Demolition
Engineered demolition methods for particularly low-vibration and low-emission demolition work.
Remediation of Contaminated Sites
Demolition and dismantling as well as remediation of contaminated sites, including in contaminated areas.
Heavy-Load Logistics
Heavy-load cranes, transport and dismantling of the heaviest individual loads as well as industrial assembly.
Revitalisation
Reconditioning and concepts for building land from former brownfield and industrial sites.
Locations
Cologne
DEHeadquarters, demolition and dismantling projects
- Container service
- Heavy-load cranes
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Demolition, dismantling and remediation of contaminated sites | – | – | – | – | – |
| Disposal, recycling and disposal concepts | – | – | – | – | – |
| Civil, road and sewer engineering and construction of outdoor facilities | – | – | – | – | – |
| Heavy-load cranes, transport and industrial assemblyAssembly | – | – | – | – | – |
| Revitalisation - reconditioning and concepts for building land | – | – | – | – | – |
| Digital structures, products and services for the construction industryEngineering | – | – | – | – | – |
| Complex demolition work (engineering demolition) | – | – | – | – | – |
| Dismantling of industrial plantsAssembly | – | – | – | – | – |
| High-rise dismantling (e.g. demolition of Bayer high-rise W1, Germany's tallest high-rise | – | – | – | – | – |
| Low-vibration and low-emission demolition work | – | – | – | – | – |
| Dismantling of the heaviest individual loadsAssembly | – | – | – | – | – |
| Turnkey complete services: complex inner-city demolition work with subsequent | – | – | – | – | – |
| Work in contaminated areas | – | – | – | – | – |
| Excavation pit construction | – | – | – | – | – |
| Container service | – | – | – | – | – |
| Bridge demolition (e.g. A 565 approach bridge Bonn, Bonn North Bridge) | – | – | – | – | – |
| Recycling of wind turbines | – | – | – | – | – |
Additional services
Reference customers
Quality and Safety
The demolition work is planned and carried out as turnkey, functionally defined complete services, with a focus on safety, low emissions and low vibration. Certifications are not documented in the sources.
| Evidence | Cologne |
|---|---|
| ISO 9001 |
History
- 1926
Company founded in Cologne.
- 2017
Johannes Harzheim takes over the management as of 01.07.2017 as third generation together with Thomas Hagedorn; the company becomes part of the Hagedorn Group.
- 2019
Johannes Harzheim moves into freelance consulting as of 01.07.2019.