NASTT Colleagues and Friends,
Please join us for the fifth technical lunch of the 2011-2012 season on Thursday, March 29, 2012.
This month’s presenter is Heinrich Heinz. Heinrich is a Geotechnical Engineer and Principal with Thurber Engineering in Calgary, with over 25 years of experience as a geotechnical practitioner. He has been involved in a variety of major tunnelling and trenchless projects in Canada and abroad, and has acted as an expert witness in geotechnical matters
The month’s presentation will provide a brief overview of the risks associated with tunnel construction and will outline the main features of a GBR, with examples from two recent Calgary tunnel projects. Linear projects involving subsurface excavation such as tunnels present many risks, as geological and geotechnical conditions can vary significantly along the alignment. Geotechnical Baseline Reports (GBRs) have been proposed to clearly define and allocate these risks between the contracting parties. The main purpose of a GBR is to present, in a concise manner, the subsurface conditions anticipated along the proposed tunnel alignment, and to set baselines for the geotechnical aspects of the design and construction of the tunnel. The GBR is normally accompanied by a Geotechnical Data Report (GDR), a separate document which contains all the factual information gathered during the investigations.
Place: University of Alberta Faculty Club, Papaschase Room, 11435 Saskatchewan Drive
Time: 11:30 am Registration
12:00 pm Lunch
12:30 pm Guest Speaker
1:30 pm Adjournment
Cost: Members: $20.00*
Students: $10.00 (valid student card required)
* Note: Membership status will be verified against the Northwest Chapter’s current member list. If your name is not on the chapter member list, you will be asked to pay the non-member rate. To check if you are a registered member of NASTT, please visit www.nastt.org and search the member directory for your name; this directory is current with NASTT’s membership records.
Payment will be taken at the door, by cash or cheque only.
Greg Tippett, P.Eng.
Edmonton Section Chair