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Best regards
Zmags
north american
Tunneling
April/May 2010
www.tunnellingjournal.com journal
TRAIL BLAZING
IN PORTLAND
TUNNELING JOURNAL
DEBUTS AT NAT 2010
SEE PAGE 13SEE PAGE 14
SWITCHING
TACTICS IN
SEATTLE
BRIGHTWATER TRIES
A NEW APPROACH TO
GET THINGS MOVING MEXICO'S
MEGA TUNNEL
SIX EPBMS ARE
EN- ROUTE TO DO
BATTLE WITH
MEXICO CITY'S SOILS
DETAILS ON PAGES 8 & 20
PORTLAND
PLAYS HOST
TO NAT 2010
FULL CONFERENCE
PREVIEW & EAST
SIDE CSO UPDATE
Tunnelling
www.tunnellingjournal.com April/May 2010
The inter
north american Tunneling
Tunnelling w
Hong Kong by night, but this breathtaking city ha
edito rS comment Tunnelling Journal - a new appr
NEWS FROM THE WEB www.tunnellingjournal.com - bre
www.tunnellingjournal.com - breaking industry new
HONG KONG HONG KONG With billions of dollars
HONG KONG – tomorrow's tunnelling goldmin
HONG KONG MTR rail expansion plans But the real
HONG KONG demolition of an existing overrun tunn
HONG KONG DSD – on a mission Hong Kong's Draina
HONG KONG Figure 1 Long section of the Lai Chi
HONG KONG crews are in a wide fault zone. “T
HONG KONG The biggest of DSD's
HONG KONG Early planning Picking the right align
PROVEN Offering new and used tunneling equipment
HONG KONG PROBE DRILLING, GROUTING AND THE MACHI
HONG KONG `At one point we were boring 3mm/min at
Precision for everyday safety
HONG KONG HATS OFF T O DSD HATS Stage 2A won't b
HONG KONG Ap Lei Chau PTW Aberdeen PTW Wah Fu
HONG KONG Figure 1: Long section of the HATS St
Wanted: deep thinkers ©Arup/Daniel Clements ARE
HONG KONG TBM Groundborne noise With the procur
HONG KONG prediction models measurements under
HONG KONG tion sensors are placed on the groun
HONG KONG Figure 4 Measurement of Soil Mobilit
HONG KONG Figure 6 Vibration Velocity Measured i
CONVEYORS CONVEYOR CONUNDRUMS – longer drives, f
CONVEYORS
CONVEYORS Most conveyor manufacturers use a
CONVEYORS sands of metres, it's a lot of equip-
INTERVIEW Time to think ahead Tris Thomas talks g
INTERVIEW cities and link with their metros. It
INTERVIEW such as Doug Oakervee and John Armitt?
SCL REVIEW Advances in sprayed concret
SCL REVIEW LEFT: SCL in use at one of Santiago's
SCL REVIEW the sprayed concrete alone. Each one
SCL REVIEW
SCL REVIEW behaving within the limits of the des
SITE REPORT Costain's launch shaftWEST H
SITE REPORT LEFT: A completed section of the West
SITE REPORT contaminated ground. Costain has
CONTRACT LAW Dispute Review Boards By Paul Culli
CONTRACT LAW example the FIDIC forms set out Pro
CONTRACT LAW course to try and get a different a
BAUMA Showing at Bauma Company Aker Solutions/W
BAUMA BAUMA 2010 It's Bauma time again, so dig o
BAUMA companies obviously have broader applica- t
BAUMA One stop shop S.E.L.I. S.p.A. is a global
BAUMA Stories from the field In tunne
contact US Gary Tween Managing Director Tel: +
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north american Tunneling
comment New Heights Welcome to the launch issue
Don't replace worn TBM bearings. We'll make them
www.tunnellingjournal.com - breaking industry new
NEWS Building the ARC Bids for two of the thre
PORTLAND Powering along the Clockwise from
PORTLAND “There would have been a much bigger le
PORTLAND Parts of the broken stone crusher, which
PORTLAND cutterhead. On a number of occasions p
® ®
BRIGHTWATER Switching Tactics in Seattle AB
Mexico's Emisor Oriente Project is a truly massiv
EMISOR ORIENTE Commission have halted extraction
EMISOR ORIENTE ADAPTABLE DESIGN FOR CHANGING GROU
OBITUARIES THOMAS
PROVEN Offering new and used tunneling equipment
This summer the North American Tunneling (NAT) Co
NAT PREVIEW NAT Executive Committee C
NAT PREVIEW Specialist design Amberg Engineeri
NAT PREVIEW Sealing expertise Established in 1978
NAT PREVIEW Ground service Crux Services special
Connecting Underground Tunnel design, constructi
NAT PREVIEW Getting the job done Ha
NAT PREVIEWBearing the load Messinger Bearings
NAT PREVIEW Deep foundations Nicholson is a geo
NAT PREVIEW Market-led portfolio The statement