The partial collapse of a building in the centre of Łódź, Poland, above tunnelling work for a new railway line shows that more attention must be paid to “high risk” older buildings during design and...

Optimization of Tunnel Construction Schedule Considering Soft Logic by Jianying Wei, Yuming Liu, Xiaochun Lu, Yu Feng and Yadi Wang School of Economics and Management, Beijing Jiaotong University, Beijing 100044, China Open AccessArticle....

  An expert group in the Statens vegvesen (the Norwegian Public Roads Administration) thinks it is possible to save about NOK 5.4 billion at the building tunnels in a simpler but adequate manner, in 20 national roads. The expert group has...

Professor of Financial Management at SSBM Geneva visited the project metro in Melbourne, Victoria state in Australia. https://www.ssbm.ch/metro-tunnel-project-in-melbourne-australia-fantastic-ppp-infrastructure-project-financed/

Around the world, many great projects are changing the built environment and our infrastructure – however, progress can appear...

  https://www.newcivilengineer.com/latest/former-crossrail-chief-engineer-tfl-should-reflect-on-its-role-in-projects-delay-15-12-2022/ my link post over CNN coverage of "4 Years late and £4 billion over budget, Inside...

Part 3. Creating Incentive Mechanisms for Integrated Project Delivery https://www.tunnel-online.info/en/artikel/tunnel_creating_incentive_mechanisms_for_integrated_project_delivery_3816275.html

Part 2 Digital Project Risk Twin – Application for the Construction of U5 East, Hamburg https://www.tunnel-online.info/en/artikel/tunnel_Digital_Project_Risk_Twin_Application_for_the_Construction_of_U5_East_3714049.html

Part 1. Risk Management in Major Tunnelling Projects – Part 1: Basics and Success Factors https://www.tunnel-online.info/en/artikel/tunnel_Risk_Management_in_Major_Tunnelling_Projects_Part_1_Basics_and_Success_3639977.html

A good project brief. Marienhof in Munich: Construction of Germany’s Deepest S-Bahn Station Is Underway https://www.tunnel-online.info/en/artikel/tunnel_Marienhof_in_Munich_Construction_of_Germany_s_Deepest_S-Bahn_Station_Is_3816259.html

  A Markov-based prediction model of tunnel geology, construction time, and construction costs Authors: Arsalan Mahmoodzadeh, Mokhtar Mohammadi, Hunar Farid Hama Ali, Sirwan Ghafoor Salim, Sazan Nariman Abdulhamid, Hawkar Hashim...

Flo and Blakset tunnels were to be built as two independent projects, but were merged into one. According to project manager Jon Harald Huseklepp in Vestland County Municipality, the Flo Tunnel was NOK 140 million cheaper than...

A good read about contract management. https://tunnelingonline.com/contractor-submittals-for-tunneling-projects/

I found this article good but a bit short. https://news.columbia.edu/news/how-avoid-cost-overruns-and-delays-big-infrastructure

A study from insurance company Travelers says; infrastructure projects greater than $250 million in contract value — especially bridge, highway and transit work — have been the public construction industry’s worst-performing...

for tunnel construction, one of the greatest sources of conflict during a project is the allegation of “changed conditions,” or more specifically, “differing site conditions.”...

Rail-transit projects across the U.S. take longer to build and cost nearly 50% more on average than in Europe and Canada, says a new study of 180 megaprojects, including some hits and misses by Sound...

  Every manager not working in the field but at the fancy head office, needs to read this. A Dummies Guide for Tunnel Construction Project Risks. In just a few pages, an excellent summary of our...

Preliminary construction on the $4 Billion USD 2400 Megawatt Ituango Hydroelectric (Hidroituango) dam began in September 2011 and the power plant was expected to begin operations in late 2018. When completed, it would be the largest power...

Another very interesting article from Tunnel Business Magazine: https://tunnelingonline.com/why-tunnels-in-the-us-cost-much-more-than-anywhere-else-in-the-world/