»The rainwater retention basin in earthworks of this size required sealing with bentonite sheets in water protection zone III and forms the end of the rainwater channel for a separation system for an industrial estate of approx. 30 hectares.«
Otfried Heineck
»The rainwater retention basin in earthworks of this size required sealing with bentonite sheets in water protection zone III and forms the end of the rainwater channel for a separation system for an industrial estate of approx. 30 hectares.«
Otfried Heineck
»The rainwater retention basin in earthworks of this size required sealing with bentonite sheets in water protection zone III and forms the end of the rainwater channel for a separation system for an industrial estate of approx. 30 hectares.«
Otfried Heineck
Safety and health coordination within the framework of the Construction Site Ordinance:
New construction of mooring bollards for ships near the Eiserner Steg in Frankfurt, execution from the Main side with pontoon, back anchoring with micro drill threads.
Ingenieurbüro Ohlsen GmbH is a planning office for infrastructure.
We specialise in the most relevant of our technical infrastructures:
Water | Waste water | Road
»The realisation below a highly frequented railway line with a traffic junction required precise scheduling by all parties involved to guarantee uninterrupted traffic. The pipe jacking was realised using the open shield method.«
Sven Herzberger
»The realisation below a highly frequented railway line with a traffic junction required precise scheduling by all parties involved to guarantee uninterrupted traffic. The pipe jacking was realised using the open shield method.«
Sven Herzberger
»We supported the ecological watercourse planning and planned flood protection by creating retention space and embankments. The special expertise as a hunter with an interest in species conservation came in handy during the planning phase.«
Martin Ponkratz
»We supported the ecological watercourse planning and planned flood protection by creating retention space and embankments. The special expertise as a hunter with an interest in species conservation came in handy during the planning phase.«
Martin Ponkratz
»We supported the ecological watercourse planning and planned flood protection by creating retention space and embankments. The special expertise as a hunter with an interest in species conservation came in handy during the planning phase.«
Martin Ponkratz
We go deep – and shape the future with sustainable results.
We engineers are do-gooders: What we do must make the world a better place.
For you and for all of us: as citizens, customers and people.
»As the competition winner, we planned the entire supply in 5 construction phases from 2015 to 2024: water, electricity and realised the paths with lighting. Always with the proviso that existing vegetation is protected and visitor operations are safeguarded.«
Frank Lanfermann
»As the competition winner, we planned the entire supply in 5 construction phases from 2015 to 2024: water, electricity and realised the paths with lighting. Always with the proviso that existing vegetation is protected and visitor operations are safeguarded.«
Frank Lanfermann
»As the competition winner, we planned the entire supply in 5 construction phases from 2015 to 2024: water, electricity and realised the paths with lighting. Always with the proviso that existing vegetation is protected and visitor operations are safeguarded.«
Frank Lanfermann
»The special challenge is the planning of a 5-core roundabout for large-scale development as a bypass with noise protection, rainwater retention basin and integration of the bridge structures. With tight planning deadlines set by the client.«
Laura Krämer
»The special challenge is the planning of a 5-core roundabout for large-scale development as a bypass with noise protection, rainwater retention basin and integration of the bridge structures. With tight planning deadlines set by the client.«
Laura Krämer
Ingenieurbüro Ohlsen GmbH operates nationwide in major cities, municipalities and rural areas. In close co-operation with a wide range of offices and institutions – with the involvement of external partners with project-related expertise.
»Countless kilometres of cycle paths are planned and maintained in our office as a team, using special software and in close coordination with many stakeholders for both urban and rural areas. With extensive tendering and preparation of the awarding of contracts.«
Gesa Katharina Sauer
We are experts in all specialist areas. The focus is on water supply systems, waste water disposal systems, transport systems and hydraulic engineering.
We provide engineering services in consulting, planning and construction control.
