TunnelTalk

East Side Access slippage forces new contract
Fresh EIA forces Colombia tunnel suspension
Seven shortlisted for UK High Speed 2 design

January
New LRT plan would cut Eglinton tunneling
UK High Speed 2 development partner selected
Final tunnel awards on giant STEP project
Brazilian port tunnel sets new standards
Extra tunnels seal UK high speed rail approval
WSSC water tunnel pushing progress
Italian JV wins Jonica coastal highway contract
Immersed tube plans for Holland's Lake IJmeer
Peer review critical of California's HSR plan

2011
December
2012 perspective
In search of resilient cities
TBM tunnels considered for Fehmarn sea link
Inn Valley underground rail ready to open
2011 in retrospect
Qatar drives forward with Doha metro
Kuala Lumpur opens tunnel Training Academy
Andes link a priority for Chile-Argentina-Brazil
Dulles Metrorail progresses under new name
Deep wastewater drive under way in Kansas
Crossrail partner loses trains battle
Bangkok examines flood prevention plans
Midtown Tunnel P3 contract awarded in Virginia
UK reconsiders High-Speed 2 tunnel alignment
UK budget commits to infrastructure projects
Ireland drops €5.6 billion metro projects
Panama awards urgent Esti headrace repair
Concrete finish for Glendoe repair

November
Crossrail awards central station contracts
Major upgrade plans for London's Bank Station
New Zealand concedes proposed park route
Tunnel worker loses his life in New York
California calls high-speed rail qualifiers
Tunnel bids sought for high-speed rail
Seoul blasts through a granite mountain pass
Miami Port Tunnel excavation underway
Five in Kuala Lumpur's MRT Swiss Challenge
Tunnels key to Colombia's Mountain Highway
Brynglas: A story of innovative solutions
Costs balloon for California's high-speed rail
Mistake delays Miami Port Tunnel start
Ottawa announces shortlist for LRT

October
Bolted segments rescue snarled pipejack
Underground gas storage facility opens
BTS focus on health and safety
Norway moves ahead with high speed rail
DC Water starts on major CSO program
Steep gradient formwork challenge
Rio prepares for international games
Tunnel death leads to $55,000 fine
Lee Tunnel shaft sinking progress
OARS shaft-sinking challenges
Caldecott closing in on breakthrough
Warzone drainage project closes out

September
Mont Blanc Tunnel at age 46
All Crossrail TBMs in the Herrenknecht basket
New York harbor crossing under way
Tunnel repair for aging New York aqueduct
TBM breakthrough in New York
Crossrail seeks bids for tunnel fit out
Another successful IUT
Long wait over for Lake Mead TBM
Space monitor for Hong Kong settlement
Alternative contracting and delivery methods
New access drives for mighty mine operation
Sprinkler limitations for tunnel fire fighting
Portland CSO tunnels score national recognition
Strabag to build Toronto wastewater tunnel
TBM link to Messina Strait cable crossing
Hong Kong closing out West Drainage scheme
Delaying train delivery will save millions

August
Seattle mobilizes for sewer upgrade
New York tunneling projects weathered Irene
New York tunneling projects brace for Irene
New Zealand to build 14m EPBM road link
Federal approval for Seattle's bored tunnel
Russia confirms order for largest TBM ever
Excavation complete on Brightwater
Voters back the bored tunnel in Seattle
Slim spread in Indianapolis' CSO tunnel bids
Seattle selects East Link route
UK tunnel safety and training schemes in focus
Glendoe recovery on track
Engineers assess fire damage to M4 tunnel

July
Truck blaze damages UK traffic tunnel
Hindhead bypass opens in UK
World Bank backs Vishnugad Pipalkoti hydro
Mighty TBM procurement for Seattle
Japanese machine for Alaskan Way mega drive
UK MSc course for masters in tunnelling
Last chance for £3,000 MSc Tunnelling bursaries
Electric Häggloader keeps hydro tunnel green
Crossrail awards first underground station contract
Tunneling starts for Austria's longest rail link
EIS supports Alaskan Way tunnel
Crossrail's programme for assuring value
High-speed railway development in China
Brisbane completes Airport Link excavation

June
Record-setting sea links open in China
RETC program to monitor trends and activity
China's mega sea link moves forward
Short sighted Yucca Mountain shutdown
Tight race for Central Subway running tunnels
Bidding signal start of San Francisco subway

May
Crossrail appoints new chief executive
Mandatory bid meeting in Indianapolis
Hindhead draws curious crowds
Niagara hails long awaited breakthrough
Aker Wirth TBMs for Koralm contract
Geological data released for Fehmarn
Helsinki set to welcome the industry
Metro tunneling starts in Toronto
Iceland bids new road tunnel

April
Brenner Baseline gets official start
Waller Creek begins construction
Crossrail station bidders
Crossrail plan of tunnelling attack
Dulles metro station stays underground
Alaskan Way construction management
Warsaw micro drives for Vistula cleanup
Tight competition for BTS Harding Prize
2nd Ave 86th St station cavern bid result
Crossrail confirms new contract awards
China moves to high performance drilling

March
ESA Queens Tunnels all set to start
Front runner for Crossrail Thames Tunnel
Monumental excavation finalised at Gotthard
Salt caverns converted for UK gas storage
Blue Plains design-build contract awarded in DC
Bi-County TBM drive halted by gearbox troubles
Robbins consolidates presence in China
India builds its first oil storage caverns
Caldecott second heading underway
Hong Kong starts massive XRL project
Oslo-Ski invites international interest
SELI-Coastal form subcontinent alliance
Chennai Metro surprise award

February
Amtrak capitalizes on ARC's demise
Seattle U-Link prepares for TBM arrivals
Airport Link sees second TBM through
Seli mobilizes Panama EPBM hydro drives
bC India an impressive first event success
Brisbane Airport Link first TBM breakthrough
Caterpillar confirms LOVAT name change
Secured funding powers Brenner Base Tunnel forward
California high-speed rail calls expressions of interest
GIA's record order for supplies
Fire fighting functions for the Channel Tunnel
Politicians back Europe's mega immersed tube

January
Drill+blast performance for SE Asia rail route
Hitachi confirms batch of overseas orders
Palomino segments part of the package
bC India prepares for international showcase
San Vicente pipeline finished and in service
Buried end for Airport Link TBMs
Lake Mead suffers third significant setback
Brisbane Airport Link works avert inundation
Rob Holden to quit as Crossrail Chief Executive
SELI to use four EPBMs for Cityringen
Columbus prepares for Mixshield arrival
Alaskan Way contract signed and CM RFQ called

2010
December
2011 perspective
2010 in retrospect
Smart infrastructure research at Cambridge
Alaskan Way financial bid opening result
Channel Tunnel historic link 20 years on
Crossrail tunnel contract awards
UK rail from the Channel Tunnel and beyond
Immersed tube recommended for Femern link
Copenhagen's Cityringen metro contract award

November
PP fibres to resist fire-induced spalling
ARC cancellation hits hard
Femern Bælt sea link bridge/tunnel cost comparisons
Femern Fixed Link tunnel considerations
Femern Fixed Link bridge and tunnel options
Cincinnati plans CSO program
Brenner's exploratory bore completed
Seymour-Capilano twin drive done
Rail upgrade breakthrough in Malaysia
Direct Pipe debut in the USA
ICE Presidential Address 2010

October
Oslo-Ski direct in twin-tube connection
Vancouver's twin TBM drives home in
Epoch achievements on Gotthard Baseline
Sir Alan Muir Wood Symposium review
Ross Dimmock joins TAM-Normet
Mega project procurement for Alaskan Way
Fibre concrete developments in the UK
Delhi Metro meets Commonwealth Games deadline
Devil's Slide breaks through
Gottard Baseline tube set for historic breakthrough

September
Bay Tunnel construction start
Northern Link plan of attack
Brisbane Northern Link concession award
First Robbins slurry TBM on order for China
PPE the last resort for safety
Underground structures of distinction
URS acquires Scott Wilson Group
Obama's $50 billion infrastructure pledge
Crossrail procurement status
Long TBM drive for Turkey
The volume loss debate
Hitachi TBM for Bay Tunnel
Waller Creek Tunnel pre-bid meeting

August
Crossrail settlement control measures
DRBs experiences in Canada
FIDIC suite of contracts analysed
Hallandsås celebrates first tube finish
Brisbane starts second TBM
Crossrail: Site investigation and geo-expectations
High pressure hydrodemolition
Preparing the ground for Crossrail
Dublin Port Tunnel claims settled
Caldecott makes an excavation start
Four bid to qualify for Dublin's DART PPP
London awards Bond Street Station upgrade

July
Seattle LRT client applies lessons learned
U-Link tunnel contractors mobilize
Plans for Sound Transit LRT extensions
Robbins TBM for ARC Palisades tunnels
Underground start for Bangalore Metro
Prequalifiers tender for Chennai Metro
New support systems for Qinling TBMs
Guiding technology for curved tunnel alignment
Lake Mead intake works inundated
Award of New Irvington Tunnel
Blue Plains Tunnel RFP
Portland NAT conference review
Amsterdam Metro first drive completed
Miami Port Tunnel project groundbreaking

June
ITA General Assembly report
Brisbane breakthrough and lining start
Positive progress at Niagara
Two Brightwater TBMs hole through
Crossrail gets new UK Government backing
No 7 Line break through in New York
Hallandsås achieves MBZ pilot breakthrough
Gautrain services begin in South Africa
Crossrail awards geomonitoring data controller
First curved micro drive in the USA

May
Proposals called for Seattle's big bore
Brightwater's recovery plan and strategy
Seymour-Capilano twin tunnel update
End of PPP on London's Underground
Copenhagen metro loop bids in
Normet introduces new spray mobile
Three vie for new ITA-AITES President

April
ITA ahead of the 36^th General Assembly
WTC - a packed program set up
New concept for pumped storage design
New TBM manufacturing venture
Glacier lake drainage tunnel comes on-line
Fast-track drill+blast in Canada
Large rock TBM developments
BAUMA goes ahead despite travel upheaval
Amsterdam starts TBM metro tunnelling
Test run for tight settlement control in The Hague
LOVAT as part of Caterpillar sets out the strategy
New Irvington Tunnel design and bid result
BAUMA 2010 set for a bumper turnout
India, the partner country for BAUMA 2010

March
Ethiopia: Lining prevented domino collapse
San Francisco: Crystal Springs breakthrough
BTS Tunnel Design and Construction Course
Special TBM for Kishanganga headrace drive
Hindhead adopts spray-on waterproofing
Victoria Station's Upgrade in London
Crossrail moves ahead with enabling works
Hydro scheme employs first TBM to work in Laos
Panama awards two hydro TBM headrace drives
Moves to bury Yucca Mountain
Chacayes hydro progress in Chile
Santiago Metro survives the 8.8 quake

February
More detail for Gilgel Gibe II collapse recovery
ITA-WTC Vancouver: Program at a Glance
BAUMA Bulletin: Discussion Forum
Economic forecast for global tunnelling
Brightwater plan to mitigate delays
BAUMA bulletin: On the map!
Mega water supply tunnel for California
Germany: BAUMA: Additional tunnellers
Scotland: Glendoe failed headrace recovery
Italy: Rome Metro extension award
Germany: BAUMA: What to expect on the stands
St Petersburg PPP
US rail investment
BAUMA: Exhibitor previews

January
Alaskan Way costs and pre-qualifiers
Strait crossings in focus
Hudson River drive competitors
BAUMA: The international set
LRT plans for downtown Ottawa
Austin prepares for city center redevelopment
2010 Moles Awards
BAUMA - Tunnellers in the line-up
Boston cancels subway repair contract
New Irvington water tunnel advertised
BAUMA – Floorplan and locator
Baltimore's billion dollar LRT vision
UK Preston CSO tunnel contract award
UK Thames Tideway Lee Tunnel award
Vancouver venue for international tunnellers
Standby for BAUMA
Turkey: Drill rigs employed at Gökçebel dam
USA: Los Angeles sewer rehabilitation
2010 in perspective

2009
December
2009 in retrospect
Norway opens 28th undersea road tunnel
Designing for seismic survival
New jumbos key to Vietnam hydro schedule
Three bids for Palisades Tunnels
New Irvington advertisement delayed
Brisbane tunnel projects mark milestone
The United States finally wakes up to high-speed rail
London moves on Underground station upgrades
ARC project awards Manhattan Tunnels
Shortlist for Crossrail running tunnels contracts

November
Sacramento sewer tunnel pushes through
Los Angeles considers underground highway link
Albania highway tunnel collapase closure
TBM at a standstill at Niagara
Lake Mead TBM designed for the extreme
Glacier drainage tunnel protects Swiss communities
Bay Tunnel bid result
ARC tunnels packages revised
Chilean mine invites access project proposals
Strong competition for first ARC contract
Twin EPB drives for Florence rail corridor
Portland checks major milestone

October
London Underground extension to Battersea
Alaskan Way tunnel replacement agreed
Seattle's second University Link contract awarded
Flood setback for India TBM project
First use of slurry TBMs in New York City
Miami Port Tunnel finally a project!
Glendoe rockfalls more serious than initial fears
ARC prepares Hudson Tunnels contract
India's Panaji-Vasco sea link study
Dewatering to repair Bightwater TBMs
Pedestrian tunnel plans
Caldecott fourth bore bid result
Miami Port Tunnel clings to life
Conference: London's eye on the underground scene

September
TBM tunnel collapse on Cairo Metro
Balfour Beatty buys Parsons Brinckerhoff
Miami Port Tunnel troubles continue
BART begins road to Silicon Valley
Vancouver water
Spadina Subway gears up for tender
San Francisco Bay Area tunnels recharge aging system
Tunnel tragedy revisited 70 years later
Melbourne announces metro plan
Dubai Metro opens its doors for service
Portland CSO on track
Crossrail capital injection
NFM EPBM for Cairo Metro
US microtunnel death inquiry
Prequalify for NY harbor siphons

August
Toronto: Client equips Southeast Collector
Toronto: Buried EPB recovered
Crossrail invites interest
Seattle U-Link bid result
UK high-speed rail idea
Glendoe rockfall shutdown
Canada Line opens
Sydney CBD Metro shortlist
Washington DC CSO masterplan
Seattle bids next University-Link contract
Caldecott bid opening extended
HATS contracts in Hong Kong confirmed

July
Crossrail invites tunnel construction interest
Crossrail's public funding assured
Seattle embraces new transit system
Planning of HATS deep sewage tunnel in Hong Kong
Beacon Hill voids investigation
ITA President's statement
Great celebrations for Gotthard TBM arrival
New leadership at LOVAT
ARC contracts update
Alpine wins Slovenia road tunnel
Lafayette CSO breakthrough
Tunnel preferred for Long Island sewer
RETC 2009 hits Las Vegas

June
Brightwater TBMs in trouble
Upper Rouge CSO cancelled
Post ITA analysis

May
Budapest Metro standoff resolved
Caldecott 4^th bore to be advertised
Malaysian raw water tunnel awarded
Crossrail management mobilized
First ARC contract advertised
Alpine wins rails contract

April
New approach to Golden Gate Bridge accelerated
Seymour Capilano restart comes at a high price
Ashlu Creek TBM drive done
Detroit outfall contract terminated
Funding shortfall cripples Upper Rouge CSO
Funding sources dry up for Las Vegas
Lake Mead shaft contract deferred
Sochi tunnels towards Winter Olympics
London's Crossrail moves into detail design

March
Prelude to building Brenner Baseline
Low bid cuts cost of University Link
Three bids for Bi-County Water Tunnel
Second super sewer to revitalize River Thames
Fatal collapse on Cologne's new metro line
Yucca Mountain all but scrapped
Infrastructure in Obama's billions in bail out
Programme challenges at Bogong
Blue Mountains record breaker
Sinkhole bothers Brightwater
Tunnel too rich for Dallas taxpayers
Tunnel takes top London award
Dick Robbins honored for TBM engineering innovations
Charleston's deep level sewer wins acclaim
Claremont Tunnel receives top award

February
Underwater works for Hobson Bay
Eurotunnel back to full capacity
Design build responsibility at Rosedale
Pittsburgh breakthrough marred by money worries
McConnell Dowell - Award winner at Pike River

January
Brightwater under pressure
Robbins reintroduces TBM advantages to India at AMR
Record drill+blast work in Norway
Caldecott Tunnel funding frozen
Bored tunnel for downtown Seattle
Miami Port Tunnel on life support
Rebid reprieve for Seymour Capilano
Perseverance paying off at San Vicente

2008
Supreme Court finds for the engineers
Strong competition starts North Link in Seattle
Oslo Ski railway tunnel project
Americans approve billions for transit
Crystal Springs Bypass Tunnel awarded
Construction of Haifa Tunnels at standstill
Mexico's largest EPB supplied by Robbins
ITA 2008 news from Agra, India
China buys Italy's CIFA
Herrenknecht - four for Brisbane
Accounting for slow progress at Niagara
East Side Access optimization
CERN - an underground triumph
Tunnelling activity in India
Final breakthrough for Arrowhead
Spray-on waterproofing - Finding real application
DRBs - knowing and playing by the rules
Subsea connection for desalination plant
California fixes high-speed rail route
Austria: Design considerations for high-speed rail
Lovat speaks of acquisition
Brisbane awards airport highway tunnel link
Breakthrough marks milestone at Arrowhead
Lake Mead No 3 intake tunnel awarded
Vancouver's twin tunnels contract terminated
Buried EPBM recovery in Toronto
Miami still on hold
Portland progress
Tysons Corner in the air on Dulles link
Brightwater update
Brightwater mobilization
South Cobb sewer tunnel awarded in Atlanta
NAT Conference Round-up
Tunnelling complete at Kárahnjúkar, Iceland
Lovat + Caterpillar
NATM excavation underway at Devil's Slide

2007
Lane Cove collapse
San Vicente stumped by tough conglomerate
Clawing success from the extreme at Arrowhead
Alaskan Way frustration
Seymour-Capilano - Twin TBM progress - Dec 2007
A slow road for BART to San Jose - May 2007
Seymour-Capilano encounters - May 2007
Canada Line mobilization in Vancouver - Mar 2007

2006
Americas high speed rail aspirations
Facing challenges on Seymour-Capilano - Dec 2006
Niagara plan of action - Dec 2006

2005
New start for LA Metro contracting - Sept 2005
Singapore extremes on the DTSS - Mar 2005

2004
Two Robbins TBMs for Vancourver - Dec 2004
Triumph from tough going in Delhi
Three bid Vancourver tunnels - Sep 2004
The good, bad and mixed on the DTSS - Apr 2004
Vancourver drives towards better water - Mar 2004

2003
Silicon Valley selects BART line consultants
Panama adopts EPC contracting for Esti scheme
Santiago Metro goes underground with NATM – Part 1
Optimized NATM designs for Santiago Metro - Part 2

2002
Dublin coping with complicated conditions - Sept 2002
Delhi Metro emerges

2001
CERN: Spectacular excavations for underground laboratory - Aug 2001
CERN: Great excavations for nuclear physics experiments - Aug 2001
Fire damage rebuild of Mont Blanc road link
Set up for Detroit's outfall - May 2001
Record setting TBMs on Yellw River drives - Jan 2001

1997
Incline TBM drive to save critical deadline - Apr 1997

1993
From the Archive: Channel Tunnel hindsight