TBM breakthrough in Georgia


With the support of ILF Consulting Engineers, assuming the role of Owner’s Engineer, the Mtkvari Hydro Power Project in Georgia, which is managed by Mtkvari Hesi LLC and financed by the Georgian Co-Investment Fund, has reached one of the most important project milestones.

On February 6th, 2020, the breakthrough of the longest and widest tunnel in Georgia to date has been completed. Excavation of the 9.6-km-long and 6-m-wide tunnel was achieved using a Hard Rock Double Shield TBM.

The total design capacity of the Mtkvari HPP is 53.0 MW and its expected annual energy generation is 251.5 GWh, which equates 1.9 % of Georgia’s total electricity consumption. The tunnel excavation constitutes a major achievement within the construction process and its completion will allow the final stage of the HPP construction to commence.


Lighthouse Solar Program in Senegal now in operation


In 2015 ILF Consulting Engineers was awarded an Owner’s Engineer contract by Senelec and KfW for the implementation of eight photovoltaic and hybrid power plants in Senegal. Now, only four years after the start of the project, these first of its kind projects in Senegal and West Africa are in operation; the last power plants will be commissioned early 2020.

These PV and hybrid power plants are some of the largest in West Africa and are lighthouse projects for the distribution of these technologies in Africa. The aim was to reduce Senegal’s dependency on light fuel/heavy fuel oil imports, reduce the cost of electricity as well as to improve the quality and the reliability of the electricity supply in Senegal.
Furthermore, the electrification of rural areas and the social & economic development of these regions should be promoted. With eight power plants being located all over the country, seven remote cities with a population of up to 50,000 inhabitants each can now be supplied with greener energy 24/7. The project consists of one grid-connected 23MWp PV power plant (supplying among others the international airport of Senegal), four PV/Li-ion battery/diesel hybrid systems and three PV/diesel hybrid systems.

As part of ILF’s role as OE, ILF was responsible for the conceptual design, tendering, construction supervision and commissioning as well as for supervising the plants’ performance and the O&M Contractor during the first year. For further information, please contact us at


Seasonal greetings and best wishes for 2020!


Besides diverse challenges that we faced, the year 2018 that is drawing to a close also brought us many encouraging developments. All in all, a sense of great satisfaction and gratitude prevails regarding what we have achieved together.

Our sincere thanks go to our esteemed clients and business partners for their constructive cooperation.

Wishing you a peaceful holiday season and a healthy and prosperous 2019!


Meet us at the international STUVA conference 2019


ILF Consulting Engineers will be present at the STUVA conference (International Forum for Tunnels and Infrastructure) taking place in Frankfurt/Germany from 26 to 28 November 2019.

Visit our booth C147 in exhibition hall 5.1 (Messe Frankfurt am Main, Germany) to learn more about our competence and experience and talk to us about how we can provide you with comprehensive support in the field of tunnel planning and design.

We would also be pleased to welcome you to one of our lectures:

  • 26/11/2019 at 11:15: Bernhard Kohl will present the new report “Prevention and Mitigation of Road Tunnel Related Collisions” from the Safety Working Group of the World Road Association PIARC
  • 26/11/2019 at 12:00: Sebastian Höser will report on the “Major Project Stuttgart 21: Kriegsberg Bifurcation Structure in the Bad Cannstatt Tunnel – Strengthening the Outer Lining, Reinforcement Measures, Sustainable Outer Shell”
  • 27/11/2019 at 14:30: Hubert Heis, Momchil Venkov and Benjamin Riedl will report on “Tunnel Safety – A Review of Specific Differences in Guidelines and Codes of Practice Country-by-Country as well as Practical Scrutiny Based on a Comparison of Tunnel Lighting”
  • 27/11/2019 at 15:00: Harald Kammerer and Michael Barth will report on “Possibilities for the (Partial) Use of Road Tunnels Given Reduced Capacity: Structural, Operational and Organisational Measures – The RITUN Research Project ”

We are looking forward to your visit and many interesting discussions! For further information please go to the website


ILF at the ADIPEC 2019 Conference


ILF Consulting Engineers will be present at the “Abu Dhabi International Exhibition & Conference”. With 145,000 trade visitors and 2,200 exhibiting companies, ADIPEC is the biggest oil and gas exhibition in the world.

You are cordially invited to visit us in Hall 14 at booth 14248.


Challenges at the “Wolframstrasse” S-Bahn Tunnel – Stuttgart 21


In 2017, ILF Consulting Engineers was awarded a contract for the detailed design services of Section 1.5 – Permit Application Procedure (contract section 4 South), better known as “Wolframstrasse”, by a joint venture consisting of the companies Kunz, Leonhard Weiss and Kurt Motz. This challenging section is an integral part of the large-scale project “Stuttgart 21”. It is an approx. 450 m long rapid transit railway tunnel, predominantly constructed using the cut-and-cover method, which constitutes the S-Bahn link from the North to the central station.

It is worth mentioning that about 100 m are to be constructed in an existing tunnel while keeping the railway operational. Throughout the entire construction period, two of the four rail tracks will be kept in operation. Additional challenges arise from the location of the contract section in the immediate vicinity of the railway station, from avoiding interruptions of traffic in Wolframstrasse, from construction works carried out in existing structures and from the low overburden of a sewer main that crosses the tunnel. To date all challenges have been tackled and the design services are taking place in accordance with the specifications of the joint venture.

After the completion of the construction works at Stuttgart 21, the entire platform area, the track area and the existing tunnel will be removed to make room for a new city district.


ILF awarded mainline FEED & Detailed Engineering for KAPS


Keyera Corp. (Calgary, Alberta, Canada) recently awarded ILF Consulting Engineers the mainline FEED & Detailed Engineering contract for the estimated CAD 1.3 billion KAPS project.

KAPS is a natural gas liquids (NGL) and condensate pipeline system that will transport growing production from the Montney and Duvernay fields, in northwestern Alberta, to Fort Saskatchewan, north of Alberta’s capital city Edmonton. Keyera has partnered with SemCAMS Midstream ULC, owned jointly by SemGroup Corporation® and KKR, to develop this pipeline system.

Based on the current scope, KAPS will consist of a 16-inch condensate pipeline and a 12-inch NGL mix pipeline, associated pumping stations, including provisions for future expansion. The total mainline length per current scope is foreseen to be approximately 550 km. KAPS will initially be constructed from northwest of Grande Prairie and connect to Keyera’s Fort Saskatchewan Fractionation and Storage Facility (KFS).

For more information on Keyera and the KAPS project, please visit:


Participation at HOKO 2019 on November 6th


ILF will present itself at HOKO 2019 fair at the University of Applied Science in Munich and is looking forward to meet a lot of interesting and interested students as well as Young professionals personally. Our standnumber is A-33.

Furthermore we would like to inform you that we will give a lecture at 3 p.m. on the topic: „If petroleum gas, hydrogen, high voltage underground cables or photovoltaic-hybrid – how to plan the power supply of the future with ILF”.

See you there!


ILF at ECI SUS XIV Shotcrete Conference in Thailand


ILF Consulting Engineers is pleased to announce that Dr. Matthias Beisler, ILF’s managing director in Southeast Asia, will chair the International Conference on Shotcrete for Underground Support – ECI SUS XIV 2019 in Thailand, November 17th -20th, 2019.

ECI SUS XIV aims to pool the consolidated knowledge and experience from engineers, researchers and project managers from across the world, in order to share and discuss state-of-the-art technology and best practices in rock engineering, rock support methods, TBM tunneling and deep excavation. Several highly experienced experts from ILF Consulting Engineers will also give keynote speeches and technical presentations and will be pleased to engage in discussions with you.

The detailed conference program can be found on the ECI website ( Please do not hesitate to contact the conference chair ( if you have any questions.


Power Generation using Pipelines


ILF Consulting Engineers was commissioned by a well-known client to investigate the installation of a turbine for energy recovery in a potential crude oil pipeline system. Not only did this investigation have to make sure that the energy recovery system would not have a negative impact on the conveyance of oil, but also take account of the fact that pipelines are normally operated using different flow rates under changing pressure conditions.

To read more on the results of the investigation and the associated commercial aspects, take a look here or see the current issue of the International Oil & Gas Engineer.

If you have any questions, please do not hesitate to contact us at


ILF appointed as technical advisor for IFCs Scaling Solar Program


As part of the Scaling Solar Program, the IFC, a member of the World Bank Group, has signed an agreement with the Government of Togo to develop several grid-connected solar power projects with a combined capacity of up to 90 MW. Being the 6th country to join the IFC’s Scaling Solar Program, in Togo the Government is seeking to increase capacity so that growing energy demands can be met whilst at the same time reducing costs.

ILF Consulting Engineers has once again been chosen by the IFC to be the Technical Advisor for the implementation of this lighthouse project in Togo. Once completed, it will be Togo’s first utility-scale solar development of this kind.

For further information please contact us at

Solar Panel Array

Turning on the water at Hochalm II storage reservoir


The Hinterglemmer Bergbahnen have been able to start filling the expanded Hochalm II storage reservoir (Austria) on time – a modernization which has taken two years. The water reservoir for the snowmaking system of the Hochalm area was expanded in two construction stages. Works began on 4 June 2018, and water started flowing into the Hochalm II storage reservoir on 30 August 2019. Filling of the storage reservoir, which can hold 251,300 m³ of water, began on schedule.

By delivering innovative design and a clever construction sequence, ILF Consulting Engineers has been assisting its long-standing client with the expansion and strengthening of the Hochalm snow-making system since 2016. “The close cooperation with the Hinterglemmer Bergbahnen enabled our team to deliver an innovative project to secure snow conditions in Hinterglemm for future ski seasons,” says Gerhard Pumpernik, Head of the Department of Ski Resorts and Alpine Engineering at ILF.

ILF would like to thank the Hinterglemmer Bergbahnen for their confidence in ILF and congratulates them on accomplishing this milestone.

Erstebefüllung Speicherteich Hochalm

Protection of Critical Infrastructure


To us, protection of critical infrastructure includes more than just having a “secure” laptop or on-site security. In our latest article, our experts present a holistic approach to protecting critical infrastructure against a multitude of threads.

Read more on our website or in the latest issue of World Pipelines Extreme.

For further information please contact us at


Handover ceremony held as part of a water and wastewater project


ILF Consulting Engineers attended a ceremony held in the city of Kara-Suu (Kyrgyz Republic) at the end of May, at which special vehicles purchased as part of the “Improving Water Supply and Sanitation in Kara-Suu” project were handed over. The key speakers at the event were the Mayor of Kara-Suu, Kutugali Kozubayev, the Akim of the Kara-Suu district, Tilek Matraimov, the EU Ambassador to the Kyrgyz Republic, Eduard Auer, and the EBRD Director for Central Asia, Neil McCain. Werner Redtenbacher, Head of the Water and Environmental Engineering Department at ILF, gave an update on the project’s progress.

The project is funded by loans from the European Bank for Reconstruction and Development, the European Investment Bank and by a grant from the European Union. It consists of four different packages. ILF, the leader of a consortium of various partners, is responsible for the design and procurement of works for the rehabilitation and expansion of the water production facilities, the rehabilitation of buildings at the Telman wellfield site, and the rehabilitation and expansion of water and wastewater networks (Package 1), as well as the reconstruction of the wastewater treatment plant (Package 2). Packages 3 and 4 include the purchase of special vehicles and the supply and installation of equipment.


ILF ranks amongst the “Top 225 International Design Firms”


The Engineering News Record (ENR) annually publishes a ranking of design firms according to turnover. Like last year, ILF Consulting Engineers has once again been ranked 60th in the “Top 225 International Design Firms” category, in which firms are ranked as per their turnover in 2018, excluding their shares in the respective home market.

In the “Top 150 Global Design Firms” category, which ranks firms as per their total turnover in 2018, ILF ranks 135th.


ILF and SOS-Kinderdorf celebrate 10 years of cooperation


For ten years now, ILF Consulting Engineers has been supporting SOS-Kinderdorf (SOS Children’s Villages) to give children and young people a loving home.

“The cooperation with SOS-Kinderdorf is something which is very close to our hearts, because after all, children are our present and our future. We are delighted if ILF can help support children, young people and their families, who find themselves in difficult situations, and if our donations can help them find their way out of crises”, Josef Mayr, one of the managing directors at ILF Consulting Engineers Austria GmbH. It is our heartfelt wish at ILF to continue this partnership in the coming years, and thus achieve positive things together.

“Thanks to the support of private donors and companies, over the last 70 years we have been able to come a step closer to achieving our goal. I would therefore like to sincerely thank ILF for their contribution”, Manuela Mader, SOS-Kinderdorf.

Even after 70 years, SOS-Kinderdorf still has one over-arching goal: “To give every child a loving home” – be that in the care of alternative families or by supporting families in need. In total, SOS-Kinderdorf in Austria provides a new home for around 1,800 children and young people, and supports more than 4,700 children and their families.


ILF ventures into Uganda’s water infrastructure market


The National Water & Sewerage Corporation (NWSC) commissioned ILF Consulting Engineers and its international partner for the “Kagera Water Works” project in Uganda. Being the first and largest of many packages which will make up the umbrella project “Development of Water and Sanitation Infrastructure for the Mbarara & Masaka Areas”, this project will be financed by the French Agency for Development (AFD).

The overall objective of the project is to secure and improve the supply of drinking water as well as the sanitation infrastructure in Mbarara, Masaka and their surroundings. Package 1 comprises the development of the Kagera water supply system, which includes an intake from the Kagera River – Upper White Nile – (capacity: 8m³/s), the Kagera drinking water treatment plant (first phase capacity: 18,000 m³/d) and the main 58-km-long transmission pipe to Mbarara.

ILF and its partner have been awarded this contract to perform design, tendering and works supervision services for this vital water supply project.


Connecting Austria and Switzerland


ILF Consulting Engineers have been appointed by ASFINAG BMG, in a joint venture, to carry out the tunnel design for the S18 Lake Constance expressway as part of the preliminary design (route selection process). The S18 is a major link road between the A1 motorway (Switzerland) and the A14 Rheintal/Walgau motorway (Austria).

The area under investigation encompasses the connection to the Swiss road network (A13/A1) near St. Magrethen/Höchst, where the crossing of the Rhine, the Lustenau canal and the ÖBB railway line is planned. Two new junctions are also being considered.

The project area is of great importance in view of settlement area, agricultural use, recreational use and groundwater utilization. Some of the conservation areas as well as the areas protected under the EU’s Flora-Fauna-Habitat Directive, which are found within the project area, also have a significant influence. The geology along the approximately 7 km long section is characterized by the fluvial sediments from the Rhine and lacustrine deposits, and therefore poses a particular challenge for the tunnel design.


Basic Design for the Somogy Field Development


On behalf of ADNOC Refining, ILF Consulting Engineers has recently completed the basic design for the Somogy Field Development in Hungary.

The aim of this project was to provide all the necessary engineering and project management (cost, schedule and risk assessment) services needed for the verification of the existing gas/condensate gathering system and its upgrade, namely the connection of 4 gas wells to the existing trunkline.

The upgrade of the existing Babócsa Gas Plant, involving the installation of the required gas treatment units, was also included in the scope of services.


ILF’s involvement in four-track upgrade of Western railway line


ILF Consulting Engineers was recently commissioned by ÖBB Infrastruktur AG to provide planning and design input for the four-track upgrade of the western railway line for the Linz-Marchtrenk and Marchtrenk-Wels sections.

The upgrade of these sections makes it possible to increase the line capacity and is an important step in the four-track upgrade of the railway line between Vienna and Wels that forms part of the trans-European network for rail and intermodal transport.

The project is implemented step by step and started with the works for the section “Linz Main Station west site” in the autumn of 2018. The permitting processes for Linz–Marchtrenk (length approx. 15.7 km) and Marchtrenk–Wels (length approx. 6.4 km) are currently underway. Maximum speeds of up to 230 km/h shall be possible in both line sections. A speed of up to 160 km/h is planned for regional rail transport.

ILF has been entrusted with executing the detailed design in the planning phase of the project implementation of both sections.

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