Experiences with Safety Case Documentation According to the CENELEC Railway Safety Norms

1999 ◽  
pp. 26-47 ◽  
Author(s):  
Øystein Skogstad
Keyword(s):  
Railway Safety ◽  
Safety Case ◽  
Case Documentation

Risk management and assessment for rolling stock safety cases

1997 ◽  
Vol 211 (1) ◽  
pp. 67-72 ◽  
Author(s):  
A Kennedy
Keyword(s):  
Risk Management ◽  
Safety Culture ◽  
Safety Performance ◽  
Rolling Stock ◽  
Risk Matrix ◽  
Steep Learning Curve ◽  
Railway Industry ◽  
Railway Safety ◽  
Safety Case ◽  
Safety Cases

Since the introduction of the Railway (Safety Case) Regulations in 1994 the railway industry has gone through a steep learning curve as the new safety culture has become established. A key question for any safety case is ‘how safe is safe enough’ since it is never possible to eliminate all risk. To answer this question it is necessary to establish risk or safety targets and then demonstrate compliance with them. Based on his experience preparing the Heathrow Express rolling stock safety case for Siemens, the author describes the stages of establishing the safety targets and demonstrating compliance with them. The criteria by which individual risks, rather than the train's overall safety performance, are judged is also considered. Finally, the merits of this approach compared to the risk matrix adopted by Railtrack, and currently being reviewed, is discussed.

scholarly journals A rail tale

2017 ◽  
Vol 13 (4) ◽  
Author(s):  
Chris Ballantyne
Keyword(s):  
New Zealand ◽  
Best Practice ◽  
Operating Model ◽  
Regulatory Oversight ◽  
Railway Safety ◽  
Safety Case ◽  
Regulatory Approach

In 2005, Parliament passed new legislation to regulate railway safety in New Zealand. Applying international best practice, the Railways Act took a goal-based approach that utilised the Safety Case concept as the foundation for regulatory oversight. This article describes the Transport Agency’s experience in implementing this regulatory approach, particularly the Safety Case concept. The change required the Transport Agency to first recognise that fully harnessing the legislation required a transformational response and then, along with the wider industry, address the challenges faced in developing and implementing an appropriate regulatory operating model.

scholarly journals Modelling confidence in railway safety case

2018 ◽  
Vol 110 ◽  
pp. 286-299 ◽  
Author(s):  
Rui Wang ◽  
Jérémie Guiochet ◽  
Gilles Motet ◽  
Walter Schön
Keyword(s):  
Railway Safety ◽  
Safety Case

Current literature review on methods for measuring the stability of osseointegrable implants.

2020 ◽  
Vol 2 (4) ◽  
pp. 64-78
Author(s):  
Noha El-Wassefy ◽  
Lars Sennerby ◽  
Dhoom SIngh Mehta ◽  
Thiago De Santana Santos
Keyword(s):  
Literature Review ◽  
Current Literature ◽  
Implant Survival ◽  
Implant Stability ◽  
Implant Placement ◽  
Factors Influencing ◽  
Case Documentation ◽  
Bone To Implant Contact ◽  
The Stability

“Osseointegration” as formulated by Alberktson is crucial for implant survival and success. Osseointegration is a measure of implant stability. Measuring implant stability helps to arrive at decisions as to loading of an implant, allows choice of protocol on a patient to patient basis and provides better case documentation. A successful implant reflects good bone to implant contact and is determined by implant stability both primary and secondary. Implant stability is achieved at two different stages – primary (immediately after implant placement) and secondary (3-4 months after implant placement). Implant stability has been confirmed to affect the process of osseointegration and therefore is essential to understand the methods to measure implant stability and factors influencing. Various methods are developed to assess implant stability which suggests the prognosis of an implant.

Railway safety viewpoint

2001 ◽  
Author(s):  
B. Alston
Keyword(s):  
Railway Safety
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