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Infrastructure / Civil Engineering

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Client:
SL Rasch AG, Germany

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infra_Haram
 
 
 
 
 
 

Project:
Reliability and availability analysis of the Mataf Shading System

Period:
2014

Partner:
Leitner ropeways AG

A retractable shading system was designed for the Masjid al-Haram in Mecca by Leitner AG with a total area of 2 x 15’000 m2. The retractable roof system can be folded in specific situations. In this project the reliability and the availability of the folding mechanism was calculated in order to check in a quantitative manner that the complex mechanism is highly available for operation.

 

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Client:
Department of Environment and Social Services City of Wiesbaden, Germany

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infra_Wiesbaden
 
 
 
 
 
 

Project:
Quantitative analysis of the risks to the surrounding population resulting from
aircraft crashes at a site of the chemical industry

Period:
2013

In this project, the risk and impact on the population resulting from a potential aircraft crash on the grounds of the storage facility for the chemical industry was evaluated. Using a Bayesian network the risk was analysed considering impact on system components, crash probability and dispersion of hazardous substances.

http://www.wiesbaden.de/leben-in-wiesbaden/umwelt/laerm/risikoanalyse.php

 

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Client:
Gruner und Wepf AG, Switzerland
Federal Roads Office FEDRO, Switzerland

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infra_Anprall
 
 
 
 
 
 

Project:
Recommended action for bridge pillars

Period:
2013

The static verification of bridge pillars showed that the resistance of the supports against impact loads is too low. In order to submit the recommendation for action, the accident frequency, the impact frequency for each support, the probability distribution function of the impact load, the probability of failure of the supports, and the annual risk due to restraints impact were calculated.


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Client:
Construction and Traffic Department City of Basel, Switzerland

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infra_Basel
 
 
 
 

Project:
Failure probability due to metal corrosive processes

Period:
2012

As part of a restoration  pitting was found in rebars during repair measures on the existing Magnesium Sulfate screed. The failure probability for punching (Model of SIA 262/rev.) taking into account the corrosion (pitting and general corrosion) was calculated and assessed in the light of the system behavior and the stress history of the building. It could be demonstrated that the safety is guaranteed.



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Client:
Grande Dixence, Switzerland

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infra_Rho_Dix
 
 
 
 
 

Project:
NENDAZ POWER STATION (altitude 478 m)
Reliability analysis of a hydroelectric power station

Period:
2010

In this project, a reliability analysis was performed for one level of the hydroelectric power plant. The reliability of the armored pressure shaft was calculated with respect to the load due to pump and turbine operation. The influence of emergency stop situations was also considered. A mechanical model for the resistance was developed considering the composite steel armor surrounding concrete.

 

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Client:
ORASCOM Development AG, Switzerland

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infra_Andermatt
 
 
 
 
 

Project:
Development and enforcement of a security concept for planning (QGP), construction and operation of tourism resorts, Andermatt Swiss Alps

Period:
2007 – 2014

We engineered the safety concept for the accommodation development and served the Orascom Development AG during construction as security advisers in all related matters. We assigned responsibilities to all stakeholders and developed a roadmap for the entire construction phase as a planning tool.

 

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