Achieving the highest standards-through EFNARC Nozzleman Certification

Scheme

Endorsed by ITA 1

Status report WTC 2012 Bangkok

Endorsed by ITA

Janne LehtoChairman of the Nozzleman Certification Scheme

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EFNARC = Experts for Specialised Construction and Concrete Systems

The Authoritative Voice of Contractors, Manufacturers, Raw Material Suppliers and Consultants in Specialised Construction and Concrete Systems Industry

Who is EFNARC ?

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Two sprayed concrete specimens taken from the same worksite and from the same sprayed concrete structure with equal quality requirement.

Why Nozzleman Certification ?

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� Question: Which Nozzleman you would employ for your next tunnel project?

A skilled Nozzleman is the most important link in the sprayed concrete quality chain at the tunnel worksite and his skills for sure deserve to be recognised through an authorised certification scheme.

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The quality of sprayed concrete in tunnel lining structures depends on many factors

���� a holistic approach is required to achieve durability...

Why Nozzleman Certification ?

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EFNARC Nozzleman Certification Scheme

Certification of expert Nozzlemen who can demonstrate their technical knowledge and practical ability.

Examiners assess Nozzlemen for their theoretical and practical skills at their Workplace.

Examiners independently accredited by EFNARC through attendance at an Examiner assessment course

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assessment course

Examiner assessment course,theory part lecture in the HagerbachTest Gallery, Switzerland,October 2010

EFNARC Tutor (OBK) going through Nozzleman Course Notes

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Examiner Assessment

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Practical demonstration of feel and workability of good quality sprayed concrete for Examiner candidates in the Hagerbach Test Gallery, Switzerland,October 2010

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Examiner assessment

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Practical demonstration of right and wrong robot service and spraying practices for Examiner candidates in the Hagerbach Test Gallery, SwitzerlandOctober 2010

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EFNARC Nozzleman Certification Scheme

Articles for the Nozzleman Scheme can be found from the followingproceedings:

- WTC 2011 Helsinki, Finland, 2011

- 6th International Symposium on Sprayed Concrete, Tromso, Norway, 2011

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- 6th International Symposium on Sprayed Concrete, Tromso, Norway, 2011

- Sprizbeton-Tagun, Austria, Jan 2012 (in German)

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Status of the Nozzleman Scheme

The Nozzleman Scheme was launched in September 2009 along the first Examiner Assessment Course in Hagerbach Test Gallery, Switzerland.

Status of the Scheme in May 2012:

- 46 certified Examiners- 36 certified Nozzleman- Several on-going Nozzleman assessments

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- Several on-going Nozzleman assessments

across Europe, North America, South America, South Asia and Australia

The Scheme has received ITA-AITES endorsement in December 2011 !

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Status of the Nozzleman Scheme

NOZZLEMEN EXAMINER COMPANIES:

Tunnelling / Mining companies & projects:

ASIA-PACIFIC:- Jetcrete, AUSTRALIA (2)- StrataCrete, AUSTRALIA (3)- K&H Geotechnical Services Pty, AUSTRALIA + NEW ZELAND (1)- Leighton-LNS Joint Venture, Hong Kong / CHINA (1)

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- Leighton-LNS Joint Venture, Hong Kong / CHINA (1)

NORTH-AMERICA- Euclid, USA + CANADA (1)- Cementation, USA + CANADA (2)

EUROPE- Crossrail project, IAT Consultants, UK (2)- BAM Ritchies, BAM Nuttall UK (2)- Joseph Gallagher, UK (1)- Gunform (1)- Pyhasalmi mine, FINLAND (1)

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Status of the Nozzleman Scheme

NOZZLEMEN EXAMINER COMPANIES:

Suppliers:

- Normet (11), Finland, Sweden, Switzerland, UK, Spain, USA, Chile, Australia, Chile - Putzmeister Iberica (6), Spain- BASF / Meyco Global Underground Construction (3), Switerland, UK

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- BASF / Meyco Global Underground Construction (3), Switerland, UK- UTT Mapei (3), Italy- Tam International (2), Hong Kong, Singapore- SIKA Services (1), Switzerland- Elasto-Plastic (1)

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Next steps 2012:

Nozzleman certifications will continue in 2012 with accelerated speed when new Examiners from Dec 2011 and April 2012 courses will start their active work.

Crossrail -project (UK) intends to utilise the Nozzleman scheme as part of their sprayed concrete training programme in Tunnelling and Underground Construction Academy (TUCA), start up during 2012.

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Launch of different language versions of Nozzleman Scheme material package:- Spanish � to be launched in June 2012.- German, Italian, Chinese (Mandarin), Hindi, Finnish, Swedish to be launched during 2012.

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Next steps 2012:

Co-operation discussions with ASA(Patrick Bridger, Secretary of ASA, Allentown shotcrete)

Definition of the re-assessment procedure for Examiners and Nozzlemen

Examiner assessment courses outside Europe and/or in different languages.

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Examiner assessment courses outside Europe and/or in different languages.

Next Examiner course in Hagerbach Test tunnel, Switzerland, will be arranged in Nov 2012. Maximum 8 partcipants and we already have 2 participants signed in.CHF 3900,- per personCHF 3400,- per EFNARC member

More information from the EFNARC web-page: www.efnarc.org.

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Thank you !Questions ?

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Questions ?www.efnarc.org

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