sharing lessons learned on structural safety - fe… · 21.11.2019 · structural-safety cross-aus...
TRANSCRIPT
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CROSS-AUSStructural-Safety
CROSS-AUSSharing Lessons Learned on Structural Safety
Forensic Engineering Society Australia
21 November 2019
Dr Colin Caprani
Director, CROSS-AUS Ltd. & Monash University
cross_aus CROSS-AUSwww.cross-aus.org.au
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CROSS-AUSStructural-Safety
What is CROSS-AUS?Confidential Reporting on Structural Safety - Australasia
• confidential reporting scheme to capture information about structural safety issues and share these in a public manner
• de-identified information published by CROSS-AUS - names of individuals, companies, projects, organisations never made public
• Panel provides expert commentary to help engineers learn from experiences of others
CROSS-AUS helps the profession improve public safety
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CROSS-AUSStructural-Safety
www.cross-aus.org.au
http://www.cross-aus.org.au/
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CROSS-AUSStructural-Safety
CROSS International
UK
Germany
Australia
USA
Southern
Africa
Hub
H U B = S H A R I N G L E A R N I N G
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CROSS-AUSStructural-Safety
Aviation Safety Reporting System
NOTE: Confidential Voluntary Non-Punitive
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CROSS-AUSStructural-Safety
Pyramid of Risk
Injury
Incidents
Normal Operations
FatalitiesRegulatory
Authorities
SCOSS
Precursors*CROSS
* Precursors should be reported to CROSS-AUSDiagram courtesy of ASRS
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CROSS-AUSStructural-Safety
How it works
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CROSS-AUSStructural-Safety
From design to demolition
From design to end of life
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CROSS-AUSStructural-Safety
CROSS Reports - Lifecycle Stage for Root Cause
Over 800 reports
received to date
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CROSS-AUSStructural-Safety
Root Cause During Design Stage
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CROSS-AUSStructural-Safety
Root Cause During Construction Stage
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CROSS-AUSStructural-Safety
Numerous reports
Fixing Failures
Holding down nuts
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CROSS-AUSStructural-Safety
Tunnels and Chemical Anchors
Boston, MA, 2006
Sasago tunnel, Japan, 2012
Balcome tunnel, UK, 2013
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CROSS-AUSStructural-Safety
OUTCOMES FROM
FIXINGS FAILURES
• SCOSS Alert: The selection and installation of construction fixings 2010
• Construction Fixings Association guidance 2010
• British Standard BS 8539:2012 Code of Practice for the selection and installation of post-installed anchors in concrete and masonry
• CIRIA guidance on the selection and management of fixings 2018
• Bridge Owners Forum Management of Safety Critical Fixings 2018
• Report (published 2012), now Australian Engineered Fasteners and Anchor Council (AEFAC) exists.
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CROSS-AUSStructural-Safety
No rebar in top of slab
UK 2013 and France 2016
- fatalities
Balcony Collapses
Rotted timber
Berkeley, California 2015
- fatalities
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CROSS-AUSStructural-Safety
OUTCOMES FROM
BALCONY FAILURES
• CROSS reports on balcony failures in Newsletters and on data-base
• Local authorities informed
• Regulator issued a warning
• Balconies checked and some propped
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CROSS-AUSStructural-Safety
Lack of stability
Lack of anchoragePrecursors
Poor Practice on Temporary Stages
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CROSS-AUSStructural-Safety
International SCOSS Alert issued
Indiana Stage Collapse - August 2011
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CROSS-AUSStructural-Safety
OUTCOMES FROM
TEMPORARY STAGE
FAILURES
• SCOSS Alert; Temporary stage structures 2012
• London Olympics 2012
• Temporary demountable structures: Guidance on procurement, design and use 2017
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CROSS-AUSStructural-Safety
CROSS-AUS Designated Persons
CROSS-AUS Administrator
Mike Fordyce, BSc MEng FIStructE FIEAust
Chartered Structural Engineer with over 50 years’ experience,
Past President of IStructE
Other Designated Persons
Alastair Soane, BSc PhD CEng FICE FIStructE
Director of Structural-Safety UK
Paul McNulty, MEng PhD CEng MICE
Senior Engineer with Structural-Safety UK
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CROSS-AUSStructural-Safety
CROSS-AUS Directors
Mike Fordyce 50+years experience; Past President of IStructE
Dr Peter Ho AM 40+ years experience in Australia and Asia Pacific region
Phil Latham Projects in Australia, Middle East and Europe
Dr Colin Caprani Senior Lecturer, Monash University
Prof. David Lilley Formerly Charles Darwin University, NT
Martin Powell Chief Executive, IStructE
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CROSS-AUSStructural-Safety
CROSS-AUS Expert Panel
John Gaskin AM Principal Gaskin Construction Services, QLD
Adam Matteson National Portfolio Manager, Suncorp, NSW
Richard Morgan Director, Aspec Engineering, QLD
Charles Rickard Consulting Engineer, NSW
John Stella Director, Constructioneering, VIC
Geoff Taplin Consultant, VIC
George Walker Consultant, QLD
Glen Warwick Partner, Clyde & Co, WA
John Woodside Consulting Engineer, SA
Prof. Brian Uy University of Sydney, NSW
More will be invited as required
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CROSS-AUSStructural-Safety
1. Sign Up for newsletters at www.cross-aus.org.au
2. Improve safety, by sending us your reports:
…. PLEASE SEND A REPORT
TO CROSS-AUS !!!
(see the CROSS-AUS Home page)
www.cross-aus.org.au
To conclude…..
http://www.cross-aus.org.au/http://www.cross-aus.org.au/
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CROSS-AUSStructural-Safety
www.cross-aus.org.au cross_aus CROSS-AUS
http://www.cross-aus.org.au/