Details about Ulrich Drechsel

• 1981-1987, studied civil engineering at the TH Darmstadt, graduated as Diplom-Ingenieur
• 1987-1990, research assistant at the Institute of Hydraulic Engineering, Department of Engineering Hydrology and Hydraulics at the TH Darmstadt
• 1990, doctorate at the TH Darmstadt with the topic "Representativeness and transferability of precipitation replacement loads for the implementation of pollution load calculations"
• 1990-1994, project engineer and project manager, Brandt Gerdes Sitzmann Wasserwirtschaft GmbH, Darmstadt
• 1994-2003, Managing Partner, BGS Wasserwirtschaft GmbH
• since 2003, Professor at the h_da

Teaching
I represent the field of urban water management and hydromechanics in the Water Management and Environmental Engineering and Environmental Engineering degree programs.

Office hours
I am available during the lecture period and also during the lecture-free period by appointment in room B13 / 01.08. Please register by e-mail with a few suggested appointments. During the lecture period, please note my timetable.

Functions in the department

• Member of the faculty council
• Member of the budget committee
• Member of the study committee
• Representative and Transformation Officer for Water and Environment

Courses in the winter semester:

• 181405 / 201150 Hydromechanics Moodle
• Hydromechanics (lecture for repeaters, preparation for March exam) Moodle
• 181410 / 201700 Urban water management 1 Moodle
• 183415 / 203320 Urban water management 2 Moodle
• 183460 / 203360 Sewer rehabilitation (teaching assignment, coordination only) Moodle
• 183525 / 204100 Environmental seminar Moodle

Courses in the summer semester:

• 181405 / 201150 Hydromechanics Moodle
• 183430 / 203340 Structural and wastewater treatment plant hydraulics Moodle
• 184410 / 645 Urban drainage project (A module in the Master's program) Moodle
• 185406 / 745 Models in urban drainage (B module in the Master's program) Moodle

By clicking on "Moodle" you can go directly to the course on the learning platform and obtain further information (news, download, module description, ...).

Lecture notes and/or lecture slides for the lectures and events are available for download on the Moodle learning platform. The password required to open the documents and the registration key for the courses on the learning platform will be communicated in the lecture or can be requested directly. For some of the courses, enrollment is carried out by the lecturer.

If you would like to write a thesis, please contact us with a specific topic proposal / request. We can then develop a task together in a discussion. Cooperation with external partners is expressly desired.

Current topic suggestions and general procedure --> see Moodle course "Information on specialization in Water and Environment and Environmental Engineering"

Previously supervised theses:

• Name / Bachelor's or Master's thesis / Submission / Title
• Hupe, Johannes / Bachelor thesis / 05/2024 / Effects of wastewater heat utilization on the sewer system and the operation of wastewater treatment plants
• Halkenhäuser, Svenja / Bachelor thesis / 03/2024 / Automated export of data for a precipitation-runoff model from a geographic information system
• Holzapfel, Lars / Bachelor's thesis / 03/2024 / Possibilities for the discharge of off-site runoff - Exemplary planning of measures -
• Holzschuh, Hannah / Master's thesis / 03/2024 / Preparation of a structural report for a water association taking into account the effects of climate change
• Pilz, Marvin / Master's thesis / 04/2024 / Hydraulic investigations for the conversion of the culvert in Luisenstraße in Darmstadt
• Bergan, Hendrik / Master's thesis / 10/2023 / Planning of the southern pumping station in the Bellenkopf / Rappenwört polder - economic efficiency and longitudinal continuity
• Laue, Max / Master's thesis / 10/2023 / Economic efficiency and sustainability of conventional and new methods for seawater desalination
• Heine, Joel Leon / Master's thesis / 07/2023 / Investigations into the sedimentation effect and simulation of rainwater clarifiers
• Müller, Julia / Master's thesis / 07/2023 / Influence of cisterns on the calculation of pollution loads
• Erdogan, Zehra / Bachelor's thesis / 04/2023 / Contemporary handling of rainwater using the example of a Frankfurt cemetery
• Mona, Schmidt / Bachelor thesis / 03/2023 / Planning of a rainwater overflow basin in Bickenbach
• Hadesh, Ashenafi / Master's thesis / 03/2023 / Hydraulic recalculation of the Frankfurt Sindlingen wastewater treatment plant and determination of the energy optimization potential
• Trietsch, David / Master's thesis / 03/2023 / Improving the energy efficiency of groundwater recharge and agricultural irrigation in the Hessian Ried region
• Ehrenpreis, David / Bachelor's thesis / 11/2022 / Development of a renovation concept based on a dynamic cost comparison calculation for Zeller Straße in Brombachtal
• Holzmann, Erik / Master's thesis / 10/2022 / Redevelopment options for reducing the risk of flooding in industrial areas as a result of heavy rainfall events using the example of the infraserv Höchst site in Frankfurt am Main
• Schweikart, Christian / Bachelor thesis / 10/2022 / Comparison of the results of a coupled modeling with those of a conventional sewer network calculation
• Gewering, Wiebke / Master's thesis / 10/2022 / Comparison of previous and current requirements for the discharge of stormwater from areas with separate sewer systems
• Schmidt Prados, Eric Mateo / Bachelor thesis / 09/2022 / Comparative analysis of inlet connection techniques in the course of sewer renovation measures
• Töx, Patrick / Bachelor thesis / 08/2022 / Development of an ecological and water-sensitive drainage concept for a new development area in Hösbach
• Arndt, Nils / Bachelor thesis / 04/2022 / Comparison of a hydrological and a hydrodynamic sewer network calculation using the example of the Sandhausen sewer network
• Arnaszus, Lotte / Bachelor thesis / 03/2022 / Sustainable rainwater management in urban areas: Area analysis and development of measures in existing areas using the example of Bessungen
• Holzschuh, Hannah / Bachelor thesis / 03/2022 / Planning a new drinking water well for the Hardtgruppe special-purpose association
• Körner, Leonie / Bachelor thesis / 03/2022 / Possibilities and proof of rainwater treatment in separation systems in accordance with worksheet DWA-A 102-2
• Aubel, Julia / Bachelor thesis / 03/2022 / Near-natural design of the Weschnitz in the course of dike relocation
• Karch, Joachim / Bachelor thesis / 09/2021 / Development of global water consumption and possibilities of reduction using the concrete example of a new development area
• Mayer, Jan / Bachelor thesis / 09/2021 / Survey on the specific costs of fish ladders
• Laue, Max / Bachelor thesis / 09/2021 / Planning the building drainage system for a new laboratory building at Giessen University Hospital
• Metz, Jonas / Bachelor thesis / 09/2021 / Concept for a decentralized fire water supply with rainwater harvesting in urban areas
• Mazanou, Tatian / Bachelor thesis / 09/2021 / Infiltration of rainwater - comparison of the worksheet DWA-A 138 "old" and "new" -
• Zarhmouti, Fatima-Ezzahra / Bachelor thesis / 09/2021 / Sustainable and contemporary planning of the drainage of the new development area "Am Mischborn" in Schaafheim
• Sikora, Kay / Master's thesis / 10/2021 / On the influence of the interaction between surface and channel flow during frequent and infrequent events
• Schattmann, Johannes / Bachelor's thesis / 08/2021 / Evaluation of a rainfall-runoff measurement campaign for the town of Schmölln
• Heine, Joel Leon / Master's thesis / 07/2021 / Comparison of the yellow print of worksheet DWA-A 102 with the revised version
• Siebenstich, Tim / Master's thesis / 05/2021 / Comparison of sewer network calculation programs (INKA and HYSTEM/EXTRAN) based on a real project area in the municipality of Bodenheim
• Krostitz, Felix / Bachelor thesis / 03/2021 / Stormwater management at Terminal 3 of Frankfurt Airport
• Baumann, Robin / Master's thesis / 03/2021 / Hydraulic inspection of the water supply network of the Hardtgruppe water supply association
• Schwolow, Lars / Master's thesis / 03/2021 / Rigole dimensioning on dikes of the Elisabethenwört retention area and the Rhine flood dam XXV
• Schmirmund, Janine / Master's thesis / 02/2021 / Measures to reduce the risk of flooding at Mainz central station
• Bernhardt, Johannes / Bachelor thesis / 11/2020 / Automated evaluation of camera channel inspections with image recognition methods
• Denefleh, Maurice / Bachelor thesis / 11/2020 / Planning of building and site drainage for medical infrastructure using the example of the "Frankfurt Cancer Institute"
• Chladek, Jens / Bachelor thesis / 11/2020 / Planning the drinking water installation for a larger building
• Khorsandifard, Ghazaleh / Master thesis / 08/2020 / Development and verification of geostatistical based methods for closing data gaps in precipitation measurements
• Hahn, Nicolai / Master thesis / 06/2020 / Application and sensitivity of 2D surface models for the calculation of flooding in settlement areas
• Glebe, Carina / Master's thesis / 06/2020 / Conception of stormwater treatment before discharge into an oxbow lake of the Nidda in a construction area in Frankfurt
• Trietsch, David / Bachelor thesis / 03/2020 / Planning the renewal of a transport pipeline for the water supply of Frankfurt
• Bloß, Johannes / Bachelor thesis / 03/2020 / Measures to minimize damage caused by precipitation-related flooding at industrial sites
• Seitz, Christian / Bachelor thesis / 03/2020 / Presentation of classic and contemporary drainage systems for smaller settlement areas
• Svatos, Vanessa / Master's thesis / 12/2019 / Investigation of measures for flood prevention at infrastructure facilities of Deutsche Bahn AG
• Fleischer, Frank / Master's thesis / 11/2019 / Detection of leakages in water tanks and sewer systems and their relevance for the stability of hillside areas - using the example of the Brazilian municipality Campos do Jordão
• Pilz, Marvin / Bachelor thesis / 11/2019 / Execution of model calculations and development of a rehabilitation concept for the Wengenroth sewer network
• Siebenstich, Tim / Bachelor thesis / 10/2019 / Calibration of a sewer network calculation using measurement data using the example of the Frankfurt-Oberrad sewer network
• Böhler, Pierre / Master's thesis / 09/2019 / Investigations into the technical service life of fiber optic cable installations in drainage systems
• Schneider, Igor / Bachelor's thesis / 08/2019 / Creation of a concept for the renovation of the sewer shafts in the connecting collector from Zeppelinheim to the sewage treatment plant
• Ölke, Patrick / Master's thesis / 07/2019 / Application of radar data for pollution load calculation (in cooperation with the Lippeverband)
• Axt, Valentina / Bachelor's thesis / 07/2019 / Sewer deposits and cleaning in Zotzenbach in the Upper Weschnitz Valley wastewater association
• Rees, Laura / Master's thesis / 05/2019 / Extreme value statistical investigations for the design of rainwater retention areas using long-term simulation
• Dörsam, Tim / Bachelor thesis / 03/2019 / Feasibility study on COD reduction in stormwater retention basins by aerobic biological pre-treatment at Frankfurt Airport
• Sikora, Kay / Bachelor thesis / 01/2019 / Reconstruction of the Seewiese flood retention basin in Darmstadt-Arheilgen
• Schwolow, Lars / Bachelor thesis / 01/2019 / Planning of the flood object protection of facilities and structures in the area between the Modau and the Fanggraben
• Fischer, Ronja / Bachelor thesis / 12/2018 / Structural rehabilitation of drainage systems using the example of the municipality of Johannesberg
• Schultheis, Stefan / Bachelor thesis / 09/2018 / Possible applications and experiences with surge flushing systems and design of a system at the KMB
• Hilenbrand, Anika / Master's thesis / 09/2018 / Dimensioning of rainwater retention areas with measured and statistically derived precipitation loads
• Scheld, Maximilian / Master's thesis / 08/2018 / Comparison of worksheets DWA-A 102 and ATV-A 128 and application in a real project area
• Deugoue Tichoua, Laura / Bachelor thesis / 05/2018 / Automated grouping of damaged areas for the results of sewer inspections according to DWA-M 149-3
• Hollandt, Janine / Bachelor thesis / 11/2017 / Model calibration for sewer network calculation using the example of a project area in Wiesbaden
• Böhler, Pierre / Bachelor thesis / 09/2017 / Drainage planning for a development area in a district of Lohmar
• Karademir, Nazmiye / Bachelor thesis / 09/2017 / Treatment of construction site (waste)water - methods, effectiveness, costs -
• Konradi, Edgar / Bachelor thesis / 09/2017 / Comparison of precipitation height statistics for southern Hesse according to KOSTRA DWD 2000 and KOSTRA-DWD 2010
• Neischwander, Sophie / Master's thesis / 07/2017 / Comparison of worksheets DWA-A 102 and ATV-A 128 and implementation of the concept of area categories in a pollution load calculation model
• Manzano Puerto, Patricia / Bachelor thesis / 09/2016 / Operational experience with a soil filter system at Frankfurt am Main Airport
• Nazina, Alperiya / Bachelor thesis / 08/2016 / Suitability of a biodegradation accelerator for surface runoff contaminated with de-icing agents at Frankfurt Airport
• Berg, Julian / Bachelor thesis / 04/2016 / Comparison of the results achievable with recorded and synthetic rainfall series for the immission detection of a water body according to Hessian guidelines
• Neischwander, Sophie / Bachelor thesis / 10/2015 / Comparison of the dimensioning of rainwater retention areas with long-term simulations and the simplified method
• de Priest, Steven / Master's thesis / 05/2015 / Modeling and planning of off-site runoff using the example of an urban catchment area
• Khadr, Wahid / Bachelor thesis / 05/2015 / Determination and presentation of sensitive influencing variables on the pipe statics of sewers
• Sendlinger, Alisa / Bachelor thesis / 01/2015 / Design of an infiltration system for rainwater from the roof of the administration building at Darmstadt University of Applied Sciences
• Stork, Marius / Bachelor's thesis / 01/2015 / Comparison of models for the hydraulic calculation of gas and water networks and consideration of different accident cases
• Ebers, Fiona / Master's thesis / 12/2014 / Heat recovery from wastewater
• Dlugosch, Christopher / Bachelor's thesis / 11/2014 / Design and dimensioning of retention soil filters
• Göbel, Michael / Master's thesis / 11/2014 / Comparison of program systems for hydrodynamic sewer network calculation
• Lange, Eva-Lydia / Bachelor's thesis / 10/2014 / Measurement analysis of an aeration system to reduce odor formation and biogenic sulphuric acid corrosion in gravity sewers
• Panvini, Massimo / Bachelor thesis / 09/2014 / Integral implementation of a rehabilitation plan for the Reinheim-Ueberau sewer network
• Wiederspahn, Fabian / Bachelor thesis / 09/2014 / Possibilities for the construction of decentralized pumped storage power plants
• Kleinhenz, Neal / Bachelor thesis / 09/2014 / Leak tests and rehabilitation procedures for the sewer system in refueling areas of major airports
• Peter, Florian / Bachelor thesis / 09/2014 / Updating the pollution load calculation of the Upper Weiltal and planning of rehabilitation measures
• Bausch, Sascha / Bachelor thesis / 08/2014 / Evaluation of the small wastewater treatment plant at the "Zum alten Forsthaus Kalkofen" restaurant in Darmstadt-Arheilgen
• Hannover, Rebecca / Bachelor thesis / 02/2014 / Condition assessment and renovation measures for the historically evolved sewer network in the municipality of Mechenhard
• Zander, Florian / Bachelor's thesis / 02/2014 / Use and development of a geoinformation system as a tool for the efficient adaptation of wastewater infrastructure to demographic change using the example of the municipality of Lautertal
• Zeidler, Patrick / Master's thesis / 02/2014 / Demographic change and its effects on the infrastructure in urban water management
• Krimm, Karsten / Bachelor's thesis / 09/2013 / Operational optimization for the handling of wastewater containing de-icing agents in the retention basins at Frankfurt Airport
• Gerst, Anna-Lena / Master's thesis / 08/2013 / Application of the guideline for recognizing ecologically critical water pollution caused by wastewater discharges
• Bisanz, Sebastian / Bachelor thesis / 04/2013 / Implementation of a flooding verification according to DIN EN 752-2 for a stream piping by coupled consideration of the runoff events in the sewer system and in the road cross-section
• de Priest, Steven / Bachelor thesis / 03/2013 / Application areas and limits of negative pressure drainage in comparison with the separation system
• Kölsch, Johannes / Bachelor thesis / 12/2012 / Conducting a survey at German airports on the handling of wastewater containing de-icing agents
• Födisch, Angela / Master's thesis / 09/2012 / Impact of climate change on the dimensioning of sewer networks - application of different precipitation loads -
• Akcuru, Yakup / Master's thesis / 06/2012 / Design and optimization of a surface sealing system for the Strohn landfill using the HELP IT system
• Barth, Sascha / Master's thesis / 03/2012 / Presentation and verification of measures to reduce the existing colmation problem at the infiltration basin in Neu-Isenburg
• Burur, Ferhat / Bachelor's thesis / 02/2012 / Drainage planning for the "Alte Ziegelei" development area in Groß-Zimmern
• Männicke, Dalia / Bachelor thesis / 02/2012 / Application of different precipitation loads for simulation models in urban drainage
• Wieczorek, Marc / Bachelor thesis / 02/2012 / Comparison of precipitation height statistics from synthetic NIEDSIM rainfall series with KOSTRA-DWD 2000
• Stapp, Andreas / Master thesis / 10/2011 / Possibilities for software-supported identification and evaluation of areas at risk of flooding in settlement areas as a result of extreme rainfall events
• Caccamo, Daniele / Master's thesis / 09/2011 / Immission-related water body considerations for precipitation water discharges from separation systems in Hesse
• Blindenhöfer, Hannes / Bachelor thesis / 08/2011 / Description and development of procedures for the calibration of urban drainage models based on measured data
• Schwarz, Alexander / Bachelor thesis / 01/2011 / Investigations into the regeneration of the "Alemoa" landfill in the city of Santos (São Paulo, Brazil)
• Meyer, Soma / Diploma thesis / 12/2010 / Influence of novel sanitation concepts on the dimensioning of wastewater treatment plants
• Cappello, Francesco / Diploma thesis / 11/2010 / Inspection and rehabilitation of manhole structures using the example of the HSE site in Darmstadt in Frankfurter Straße
• Kaffenberger, Gunther / Diploma thesis / 10/2010 / Inspection of the Waldweiher stormwater overflow basin in Seeheim-Jugenheim
• Lösel, Florian / Diploma thesis / 10/2010 / Preparation, implementation and evaluation of a survey on the topic of experiences with common remediation techniques
• Stolz, Andreas / Master's thesis / 08/2010 / Development of a physically based hydrological calculation method for pollution load calculation and verification using rainfall-runoff measurements
• Geis, Thomas / Diploma thesis / 05/2010 / Dealing with sediment deposits from water bodies
• Kum, Cetin Niyazi / Diploma thesis / 02/2010 / Comparison of German and Turkish regulations for the dimensioning of wastewater treatment plants using the example of one of Turkey's largest wastewater treatment plants in Izmir
• Gillessen, Martin / Bachelor thesis / 01/2010 / Design and dimensioning of the wastewater retention basin at the Nürburgring
• Stapp, Andreas / Bachelor thesis / 12/2009 / Creation and documentation of an EDP program for the design and verification of infiltration systems in accordance with the DWA A 138 worksheet
• Frieser, Tobias / Diploma thesis / 08/2009 / Presentation of current environmental problems in the city of Aparecida / Brazil and development of proposed solutions
• Klüber, Christoph / Bachelor thesis / 08/2009 / Consideration of the influence of flooding in the Neckar on the sewer system in Stuttgart-Mühlhausen - dimensioning of a flood pumping station -
• von Kampen, Eric / Diploma thesis / 07/2009 / Investigations into the water retention of green and substrate roofs and the influence on the dimensioning of subsequent systems
• Gronau, Sebastian / Bachelor's thesis / 03/2009 / Proof of the Billerbach culvert in Biedenkopf
• Hille, Andreas / Bachelor thesis / 03/2009 / Planning of rainwater drainage for a commercially used building
• Mertens, Laura / Diploma thesis / 03/2009 / Permanent rehabilitation of non-accessible sewers in thermal areas using pipe liners
• Paul, Juliane / Bachelor thesis / 03/2009 / Comparison of requirements for the implementation and evaluation of pollutant load calculations for combined wastewater treatment
• Stolz, Andreas / Bachelor thesis / 09/2008 / Optimization of combined wastewater treatment for the wastewater association Oberes Weiltal, external water measurement program, pollutant load calculation, variant analysis
• Gossen, Jakob / Diploma thesis / 06/2008 / Improvement of the simulation of large-scale holding areas in the sewer network calculation
• Ritter, Anne / Diploma thesis / 02/2008 / Verification of the sewer network and the combined wastewater treatment of the commercial and industrial area "bayernhafen Aschaffenburg" with transient sewer network calculation
• Luckas, Heiko Klaus / Diploma thesis / 11/2007 / Dimensioning, structural implementation, limits and economic efficiency of service water utilization for a residential and commercial area
• Roth, Stefan / Diploma thesis / 09/2007 / Verification of the combined water treatment structures for the connection of the Michelstadt wastewater association to the Schwarzbachtal wastewater association
• Barth, Heike / Diploma thesis / 08/2007 / Endocrine substances in wastewater - problems, effects, solutions
• Heinlein, Björn / Diploma thesis / 08/2007 / Rehabilitation of the transport collector between the districts of Waschenbach and Nieder-Ramstadt, municipality of Mühltal
• Schulz, Kirsten / Diploma thesis / 08/2007 / Investigations into the damage development of a sewer network by systematically comparing the results of the initial inspection with those of the repeat inspection
• Dlugajczyk, Matthias / Diploma thesis / 07/2007 / General investigations into the connection of the districts of Eschollbrücken, Hahn and Eich to the Pfungstadt sewage treatment plant
• Michels, Ingo / Diploma thesis / 07/2007 / Dimensioning of the flood pumping station at the B13 stormwater overflow basin in Trier, taking into account the simultaneity of flood discharges in the Moselle and discharge events with the aid of long-term simulation
• Kabatow, Rudolf / Diploma thesis / 04/2007 / Investigations on the improvement of water bodies in Schönbusch Park in Aschaffenburg
• Henke, Sonja / Diploma thesis / 02/2007 / Determination of design values for culverts in small catchment areas
• Kunkel, Michael / Diploma thesis / 01/2007 / Investigation and evaluation of the inflow of pollutants into a surface water body using two-dimensional simulation
• Kaiser, Markus / Diploma thesis / 10/2006 / Use and generation of regenerative energy in the field of wastewater discharge and treatment
• Kreh, Matthias / Diploma thesis / 10/2006 / Implementation of the self-monitoring ordinance for house connections in the sewer system
• Hummel, Thomas / Diploma thesis / 09/2006 / Investigation and evaluation of the influence of (operational) roughness on the calculation results of sewer and dirt load calculations
• Stube, Michael / Diploma thesis / 09/2006 / Comparison of the old and new DIN 19700 for the safety assessment of flood retention basins
• Fischer, Cornelia / Diploma thesis / 07/2006 / Statistical evaluation of precipitation taking into account uneven excess rainfall using the example of the city of Mainz
• Wenner, Kai / Diploma thesis / 07/2006 / Improvement of runoff conditions in the Elsbach-Landbach system
• Neurath, Magnus / Diploma thesis / 12/2005 / Development of new areas of application for vacuum dewatering
• Kaiser, Michael / Diploma thesis / 07/2005 / Approval-ready planning of an infiltration system in the area of the Darmstadt University of Applied Sciences
• Kampfmann, Björn / Diploma thesis / 07/2005 / Hydraulic verification of a gas network taking into account a planned area expansion
• Urfels, Andreas / Diploma thesis / 06/2005 / Economic feasibility studies for supply (water and electricity) and disposal (waste water)
• Wolf, Erik / Diploma thesis / 10/2004 / Determination of sealed surfaces for sewer and dirt load calculations

The main areas of interest are

• Precipitation load
• Pollution load calculation and stormwater treatment
• Sewer network calculation

Research semester:

• Research report Darmstadt University of Applied Sciences, 2022, Comparison of emissions from separation and mixing systems in accordance with the requirements of the new DWA-A 102-2 regulations(presentation and short report)
• Research report Darmstadt University of Applied Sciences, 2017, Extreme value statistical and application-related review of the NiedSim rainfall series in Hesse(lecture and poster)