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Animator:  Jonathan baber (UK)
Vice-Animator:  Eelco van Putten (Netherlands)
Tutor:  Davorin Kolic (Croatia)
Report presented by Jonathan Baber:

Report from meetings:

  • 32 attendees from 12 countries
  • Both Sunday and Monday meetings
  • Clear plan developed for coming year
  • Future activities identified
  • 6 project reports
  • 2 technical presentations

Achievements  2014-2015

  • Owner's guide to immersed tunnels:
    •  2nd  edition  of ITA report  no.7 published
  • 8 new appendices + glossary of terms
    • Drafts for 3rd  edition  and final edition  of ITA report  no. 7 weil progressed.

3rdEdition

 

Fire protection (update)

Drafted

Management of immersed tunnel projects

Drafted

Tunnel element transportation

Drafted

Tunnel element mounted equipment

Drafted

Exceptional load cases

Drafted

Approach Structures

Drafted

Waterstops

Drafted

Element construction / Factory method

Drafted

Water conditions

Drafted

Waterproofing membranes

Drafted

Temporary prestressing

Drafted

Cathodic protection

Drafted

Dredging

Drafted

Maintenance and operation

Drafted

4thEdition

 

Durability

Drafted

Design standards

Drafted

Health & Safety

Drafted

Immersion joint seals

Drafted

Leakages

Drafted

Terminal Joints

Drafted

Dualling tunnels

Drafted

As-built survey

 

Overall planning & geometry

 

Structural form

 

Spatial planning

 

Immersion and bouyancy

 

Post-immersion works

 

Navigational safety

 

Contaminated soils

 

Tolerances

 

Achievements 2014-2015:

  • Environmental paper full draft completed and reviewed by WG
  • To be coordinated with WG15

Plan for 2015-2016:

  • Environmental paper
  • To be published by WTC2016
  • SFT Owners Guide
  • First draft completed by WTC2016
  • Immersed Tunnel Owners Guide (ITA report no.7):
  • Publication of 3rd Edition by WTC2016
  • Next activities
  • Transfer immersed tunnel catalogue to WG20 database
  • Construction risk information paper