Conference Agenda

*The programme may still be subject to slight modifications.


13 June

10:00 – 13:00


Preparation of trenchless network rehabilitation investments at the pre-tender stage. Necessary step-by-step activities

The authors of the workshop will discuss the successive stages of investment preparation for trenchless rehabilitation of underground networks. They will point out the importance and need for activities at each stage. They will present selected examples of good practice. There will also be examples of the most common mistakes.

  • general principles of network maintenance and management of water and sewage infrastructure – sustainability management
  • identification of operational problems, decision-making on the need for renovation
  • CCTV inspection and preliminary classification of the task and the necessary scope of repair
  • proper analysis of the problem and selection of the implementation path of the task
  • scope and method of obtaining the necessary technical documentation
  • methodology of technology selection
  • preparation of tender documentation
  • determination of requirements to be met by contractors and designers
  • risks of project failure at the execution stage
  • selected elements of acceptance procedures


Justyna Cyrulik

Tomasz Szczepański

Centrum Badań i Certyfikacji sp. z o.o.


13:00 – 14:00

Lunch break

Orangery, Granary

14:00 – 15:45

General session

Paweł Kośmider

Paweł Kośmider

Wydawnictwo INŻYNIERIA
Piotr Ziętara

Piotr Ziętara

Wodociągi Miasta Krakowa S.A.
Cezary Madryas

Cezary Madryas

Politechnika Wrocławska

The presentation, which is only a contribution to a broader discussion, pointed out the role and possibilities for the effective functioning of the underground network infrastructure of cities in the context of demographic and climate change. Undertaking a consideration of the elements of underground construction from this angle is exceptionally advisable, as it can determine the conditions for at least partial adaptation of them to the dynamically occurring needs of the operation. Analyses of solutions currently underway require the selection of solutions that are most favorable not only in terms of the cost of their implementation, but also, in terms of their ability to intercept rainwater caused by “urban flooding,” to carry away increased amounts of sewage, to supply more water and energy, and to provide connectivity. A complete analysis requires taking into account existing underground structures (such as tunnels, pedestrian underpasses, underground garages, etc.,), which very often create constraints that are difficult to overcome, as well as newly designed for the adopted network infrastructure solutions to cause the least possible hindrance to the development of the underground space of cities in the future. The indicated tasks are very difficult, requiring interdisciplinary activities, the use of modern technologies (including trenchless), and given the dynamics of demographic (increase in the number of people living in cities) and climatic changes (the effects of warming) should be solved as soon as possible.

Klara Ramm IB2023

Klara Ramm

Izba Gospodarcza "Wodociągi Polskie"
In recent years, there have been significant changes in EU law in the area of water management. We have a significantly revised directive on the quality of drinking water, which has increased the need for network modernization and leakage reduction. Proposed changes to the wastewater directive indicate the need to expand the retention capacity of cities. In turn, the taxonomy determines which investments will be justified on environmental grounds. Changes in regulatory requirements are increasing the demand for financially and environmentally efficient construction technologies.
Adam Wysokowski

Adam Wysokowski

Uniwersytet Zielonogórski

Today's construction technologies are offering an increasing number of innovative solutions that enable the design and construction of facilities in a trenchless manner.
Trenchless technologies are becoming increasingly popular due to their undeniable numerous advantages, such as limited disruption to overland traffic, reduced inconvenience to the environment, reduced construction time, and less risk of damage to existing underground infrastructure elements.
As is generally known, guidelines for the design and construction of facilities
using trenchless technologies can play a crucial role in the entire construction process. This is because they contain generally recommended rules that must be followed by designers, contractors, and other specialists involved in the construction process. It is important that this later also translates into uninterrupted operation of the facilities so completed.
Broad application of the proposed guidelines will ensure the following:
1. safety: The guidelines contain basic requirements for safety during the design and construction of trenchless facilities. They define the relevant procedures and standards to be followed,
to ensure safe working conditions for all parties involved. They also ensure the risk of accidents, damage to infrastructure
, and other unforeseen incidents.
2 Quality: The guidelines provide guidance on the quality of labor, materials, and equipment used during construction. They specify the standards to which all work performed must conform. This ensures high-quality trenchless facilities that are adequately durable, long-lasting, and meet all technical requirements.
3 Efficiency: the guidelines are designed to ensure efficiency in the construction process. They specify the optimal methods and techniques that should
be used to minimize work duration and costs. The guidelines may also provide guidance on the optimal use of resources, such as energy and materials, which contributes to sustainability.
4 Legal aspects: The guidelines provide basic industry guidance
for designers and contractors of trenchless work. They define standards, procedures, and practices that are accepted and recognized by all parties in the construction process. This ensures consistency and uniformity in the approach
to the design and construction of trenchless facilities.
Such development is not only technically necessary but also important from the perspective of environmental protection and minimizing disruption to local communities.
We should, as an engineering community, strive for the rapid development and implementation of such documents. They will certainly contribute to an even wider dissemination of these efficient technologies and organize the investment process for the benefit of all parties involved.
Such measures bring tangible benefits to users and maintenance services.


16:10 – 17:30

Exploitation and Monitoring session

Paweł Popielski

Paweł Popielski

Politechnika Warszawska

The paper will present modern methods of documenting and assessing the technical condition of underground infrastructure. Plans will be discussed that allow verifying the current geometry of underground infrastructure walls as well as detecting leaks or locating structural damage. The advantage of conducting measurements with automatic devices and digital image recording is the creation of a numerical model of the inner surface of a collector or pipeline. Such a solution gives the possibility to make an automatic comparison of possible changes between individual measurements. During the analysis, it is possible to identify areas with differences in geometry greater than acceptable for further research. Performing a numerical analysis eliminates the human factor of subjective evaluation of changes. The presentation will outline the capabilities and limitations of the various methods and how their results can be used in documenting and assessing the condition and designing possible repairs and upgrades. This is of particular importance in critical infrastructure sections in urban areas, as well as in areas of mining damage.

Andrzej Kolonko

Andrzej Kolonko

Politechnika Wrocławska
Intelligent pistons are used in the diagnosis of gas and oil pipelines. These are pipelines with lengths of hundreds of kilometers. Their failure could pose a great threat to the environment and safety and the cost of repairing such failures would be very high. Intelligent pistons make it possible to locate weakened areas to prevent failures.
Marek Kupś IB2023

Marek Kupś

Zakład Inżynierii Komunalnej Sp. z o.o.
“Being a humanist with technical imagination, helps a lot in management, building strategies, and looking for new solutions.
A well-executed investment is characterized by excellent technical solutions, quickly returns economically, and is socially acceptable. This last element often determines – will, find” money for it. The less visible it is, the more difficult it is.
Bogdan Przybyła

Bogdan Przybyła

Politechnika Wrocławska
Pipeline surveys with cameras (CCTV) are carried out with a focus on different objectives – mention, first of all, surveys related to condition assessment for specific technical rehabilitation projects, acceptance surveys afterward, and ongoing inspections of the network carried out to control its current technical condition. These objectives dictate a different approach to the surveys, as a result of their required accuracy, thus dictating appropriate equipment solutions. A derivative of this is the adequate recording of test results and their interpretation. No less important are issues of qualification of research participants. These issues are compounded by changes in equipment solutions occurring in recent years.
The presentation will cover the main principles of conducting CCTV inspections in sewers in the aspects mentioned above, along with the basic equipment solutions used in practice.


19:30 – 23:30


Additional attractions:

  • Shooting range
  • Scottish Evening



14 June

9:00 – 11:45

Trenchless Construction session

The paper shows the industry's experience in implementing extreme projects. The list includes projects completed between 1991 and 2023

The sustainability of the HDD industry depends on contractors' technical capabilities and performance, but also on their ability to properly manage projects from a contractual perspective. This presentation does not pretend to be a legal course. Instead, it is a practical approach to the legal aspects affecting the day-to-day operations of HDD contractors and an attempt to highlight some of the most critical contractual topics.

Khemiri Atef IB2023

Jacek Jaworski

Heads sp. z o.o.

The paper will be devoted to the presentation of basic technical and technological problems of HDD technology in the transition from an onshore to an offshore environment. The author will also present considerations for drilling muds in a challenging environment, thermally conductive fills, potential annular space seals, as well as drilling technology issues.

Roland Kośka

Roland Kośka

Gaz-System S.A.

Microtunneling is a commonly used trenchless technique by GAZ-SYSTEM S.A., the primary technique for performing short crossings of single obstacles. This technology provides a high degree of confidence in the successful completion of the crossing. However, the method of performing microtunnels and the additional technologies that are associated with their use are not found in traditional implementations carried out by other network operators, e.g. for water or sewer. These additional technologies, as well as experience in the implementation of microtunnels with steel pipes, will be in this presentation.

Paweł Jagielski

Paweł Jagielski


Careful planning of the drilling route is crucial for any HDD drilling. However, calculating the optimal drilling route, taking into account all the factors that can affect its course, is a complex and often time-consuming task. In the case of complex drilling, even dedicated planning tools prove insufficient. Then there is nothing left but to make calculations manually.

That's why we have developed Quickplanner3D in close cooperation with experienced HDD specialists. With this clever software, you can automatically and quickly plan the optimal drilling route. The intelligent algorithm calculates the shortest route in three dimensions and reliably takes into account all points and limiting parameters. This makes it possible to efficiently plan and quickly check the feasibility of the drilling route. The software does not need to be installed. It can be used with any computer or laptop with Internet access.

Florian Piechurski

Florian Piechurski

Silesian University of Technology

Analyses are presented comparing the cost of constructing gas networks for four projects using trench and trenchless methods. These analyses show that for the majority, the trenchless method is the economically more attractive choice. The total costs of constructing gas networks using the trenchless method in 3/4 of the analyzed cases are lower and account for 83% ÷ 90% of the costs of the trench method. In one case, the costs of execution by the open trench method are lower and account for 98% of the costs of execution by the drilling method.
When analyzing the installation work, in the trenchless method a large share of the cost is made up of drilling and jacking, which can often exceed the cost of excavation - especially for large network diameters.
In order to economically evaluate a given gas network construction project and select an appropriate construction method, many factors must be taken into account. These include the type of soil found in the area, the depth of groundwater, the multiplicity of underground infrastructure, the pavement found along the network route, and the diameter of the pipeline associated with the price of drilling. Each project should be approached individually.


12:00 – 14:45

Trenchless Renovation session

Cigler Otakar IB2023

Otakar Cigler

Rädlinger primus line GmbH

The Primus Line system for the rehabilitation of pressure pipelines in the range of DN 150 - DN 500 with various working media (water, wastewater, industrial water, oil, and gas) will be presented during the presentation. The Primus Line system can rehabilitate pipelines through elbows, even over long distances (up to 1,000 meters or more). Typical Primus Line projects will be presented using examples from practice, mainly in the context of rehabilitation:

- transmission pipelines
- siphons (under rivers and linear facilities)
- Pressure pipelines (including sewers)
- Pipes on bridge structures with expansion joints
- Pipelines in seismically active and undermined areas
- Overhead lines
- Pipelines located in manholes, tunnels, and collectors
- Pipelines in industrial areas

Michał Milczarek

Mariusz Iwanejko

Blejkan S.A.
Paulina Stopa

Andrzej Świątek

Blejkan S.A.

A unique tool called "SELECTION CALCULATOR" will be presented of CIPP liners for trenchless rehabilitation of existing gravity sewer, combined sewer, and rainwater pipes based on the Polish Atlas of Rainfall Intensities (PANDa) program. The CALCULATOR is intended as a support tool for designers, orderers, and managers of sewer networks. It indicates the benefits of using CIPP liners/sleeves in terms of improved strength and hydraulic conditions. It answers the question of how much the potential catchment area [%] or the number of wastewater customers (p.e.) will increase after rehabilitation. At the same time, the CALCULATOR indicates which materials, with which basic technical parameters, should be used in specific cases. All are based on CIPP sleeve liners manufactured by a leading Polish manufacturer - POliner Sp. z o.o. The presentation will be conducted by experienced engineers representing one of the leading trenchless contractors in Europe - the Polish company Blejkan S.A.

Cecuga Mirosław

Mirosław Cecuga

Sezam Instal sp.j.

Concentrated knowledge, decades of worldwide experience and the vision of Diringer&Schiedel , Pipe Aqua Tec GmbH, RS Technik AG, Applied Felts Ltd have naturally evolved into global trendsetting for the CIPP industry, resulting in elite technologies. Is the water and sewer industry in Poland ready to consciously adopt the best, fully mature and tested solutions with the welfare of its residents in mind ?

The author of the presentation, representing the company Sezam Instal, which has been a representative of the largest and most important global players in the CIPP technology sector on the Polish market for several decades, will present his considerations and resulting proposals for further development in the area of renovation of pressurised water pipes.

The issues of safety and health of people using water pipelines renovated with CIPP technology, reliability and repeatability of installations, the highest standards in the production process and monitoring of liners and resins are just some of the important jigsaw puzzles from which the picture of the Polish reality of CIPP renovation in the drinking water pipeline sector is being pieced together.

The author will try to show why all of the above aspects are critical and why the lack of even one of them, inevitably, as a function of quite a short time , leads to very costly consequences.

Edyta Zalewska

Mark Kopietz

SBKS GmbH & Co. KG
Styrene serves as a reactive thinner in UP and VE resins. During heat- or light-induced curing of CIPP, styrene leads to three-dimensional crosslinking of the resins. If this polymerization proceeds incompletely, this results in unfavorable residual styrene. The lecture gives an explanation to the background and effects of residual styrene on materials properties and the environment.

AOC is a global supplier of specialty resins that enable customers to create tough, durable, and versatile products and components for applications in coatings and protective barriers, colorants and visual effects, adhesives and specialty products, and composite resins. With strong worldwide manufacturing and scientific capabilities, the company works closely with customers to provide unparalleled quality, service, and reliability for today and create innovative solutions for tomorrow.

AOC Resins is a leading supplier of styrene-free resins for trenchless CIPP applications. Manufactured by GMP (Good Manufacturing Practice) and under a comprehensive Total Quality Control Management system, AOC boasts an excellent track record in selling high-quality resins for potable water applications.

Beyone series styrene-free resins are used in systems approved for drinking water by the PZH and KIWA. Certification of these resins is accomplished through extensive, multi-day KIWA audits, involving evaluation of the entire chain from raw materials to final product and testing. As a result, the CIPP customer receives standard-approved, high-quality resins with excellent consistency, allowing relining companies to have excellent repeat installations.

Markus Gillar IB2023

Markus Gillar

IKT – Institut für Unterirdische Infrastruktur gGmbH

The agenda will include information to:

  • Installation processes/material overview
  • Results of site investigations
  • Hints for the installation of different methods
  • Results of the IKT product test „Manhole Rehabilitation“
  • Sources of error during rehabilitation
  • Conclusion


14:45 – 15:40

Lunch break

Orangery, Granary

15:40 – 17:00

Technology demonstrations

Primus Line
Primus Line

Trenchless renovation of pressure pipes with Primus Line – Live demonstration - part 1

Explanation of the method and process

Preparation of the liner for pull in process
Pull in of the liner into the host pipe DN 150
Inflation process of the liner and reforming the liner from U shape to the round shape (there will be a cut out window in the host pipe where the inflation process can be observed)

WalkTEM2 geophysical apparatus - for non-invasive met. TEM

During the demonstration, we will present a modern and high-speed apparatus for measurements by the transient electromagnetic (TEM) process method or
TDEM (time-domain electromagnetic method), which involves measuring electromagnetic field induction deep into the Earth.
The device is used to find, map, and monitor groundwater resources, mineral deposits, and environmental changes and geology.

The course of the demonstration
A step-by-step demonstration of how to take measurements in the field will be given in a selected area, followed by a demonstration on a computer screen of the results and their interpretation that are obtained by taking measurements with WalTEM 2.

Primus Line
Primus Line

Trenchless renovation of pressure pipes with Primus Line – Live demonstration - part 2

Installation of Primus Line mechanical connector M3 DN 150
Installation of Primus Line medium and high pressure connector (resin injected)

Specification of the liner which will be installed:
Primus Line ND 150 W (Water) PN 25
Maximum operating pressure 25 bar
Bursting pressure 63 bar

Plein air

17:00 – 18:00

General Assembly of the Polish Association of Trenchless Technology (PSTB)

We would also like to invite everyone who would like to join the PSTB


20:00 – 3:00

Gala ceremony, TYTAN 2023 awards

Additional attractions:

  • Performance by Katarzyna Węglarz
  • Photobooth 360



15 June

10:00 – 13:00

Technical trip

Excursion to the Museum of the Underground of the Main Market Square in Cracow