THE OFFICIAL PUBLICATION OF UCA OF SME WWW.TUCMAGAZINE.COM VOLUME 11 N0. 2 May 2017 Copenhagen’s Cityringen project San Francisco’s Channel Tunnel RETC Showguide //// Special Editorial Supplement from the publisher of Mınıng engıneerıng Pioneering Underground Technologies www.herrenknecht.com/lakemead AN OFFICIAL PUBLICATION OF UCA OF SME WWW.SMENET.ORG VOLUME 11 NO 2 MAY 2017 COVER STORY DEPARTMENTS 2 CONTENTS Chairman’s column 4 Underground FEATURE ARTICLES construction news 11 28 Compensation and jet grouting Tunnel demand In this issue — as mitigation measures for a forecast The Cityringen TBM operation project in Copen- hagen will form a 30 Antonio Raschilla, Valerio Violo and Personal news new circular line George Kafantaris in the city center. The new tunnels 30 New products will pass under several buildings. A complex system 30 of compensation Coming events and jet grouting 19 was performed, 31 page 11. San Fran- Planning for the San Francisco New media cisco’s Channel Public Utilities Commission’s Tunnel that will Channel Tunnel upgrade the city’s 72 Classifieds/Index of sewer system, advertisers page 19. Cover R. John Caulfield, Art Hamid and photo shows the Manfred Wong Cityringen tunnels. Copyright 2017 by the Society for Mining, Met- allurgy and Exploration, Inc. All rights reserved. TUNNELING & UNDER- GROUND CONSTRUC- TION (ISSN 0026–5187) is published quarterly by the Society for Min- ing, Metallurgy, and Ex- ploration, Inc., at 12999 E. Adam Aircraft Circle, Englewood, CO 80112- Reproduction: More 4167. Phone 1–800–763– than one photocopy of 3132 or 303–973–9550. an item from SME may be Fax: 303–973 –3845 or e- made for internal use, pro- mail: [email protected]. vided fees are paid directly Website: www.smenet. to the Copyright Clearance org. POSTMASTER: Center, 27 Congress St., Send changes of ad- Salem, MA 01970, USA. dress to TUNNELING & Phone 978–750–8400, UNDERGROUND CON- fax 978–750-4470. Any STRUCTION, 12999 E. other form of reproduction Adam Aircraft Circle, requires special permission Englewood, CO 80112- from, and may be subject 4167. Article copies and to fees by SME. SME is back issues available on not responsible for any microfilm or microfiche statements made or from Linda Hall Library opinions expressed in in Kansas City, Mo. its publications. Mem- Printed by Cummings ber subscription rate Printing Co. Special editorial section from the publisher of Mining Engineering included in dues. CHAIRMAN’S COLUMN EDITORIAL STAFF Editor Steve Kral [email protected] Bertha’s breakthrough proves US tunneling has no boundaries Senior Editor merging from the depths of Conference (RETC) in San Diego, William M. Gleason the northwestern coast along CA. These young members are [email protected] Ethe edge of Puget Sound in crucial to our efforts to expand our Washington, Bertha has concluded association and the tunneling industry Senior Editor its subterranean run of more than as a whole to all corners of the nation. Georgene Renner 2,800 m (9200 ft) on April 4, 2017, It is imperative that members both [email protected] proving that the determination of old and new come together in order the American tunneling industry has to encourage continued participation Production Graphic Artist no boundaries. Agencies throughout in our events and industry. Ted Robertson the country can now rest assured This year’s class of recent [email protected] that no complication affecting their graduates has already begun to infrastructure project will prevent make an impact on our companies BUSINESS STAFF project success. The UCA of SME and agencies. Engineers and interns Media Manager salutes all of the Alaska Way team are being hired and tasked with Advertising members for their resilience and meaningful work that will help them Ken Goering accomplishments. develop skills and experience that [email protected] As I reported in the last will allow them to lead the industry Chairman’s Column (March 2017, well into the future. I’m sure that our Phone +1-800-763-3132 or +1-303-973-4200 page 2), The History of Tunneling in veterans will help them to grow into a Fax +1-303-973-3845 the United States has been compiled, new generation of industry leaders. printed and distributed. Many This year’s RETC is sure to be a Internet www.smenet.org thanks to all that contributed to this meaningful experience for all those wonderful tabletop book, including who attend. The sessions are sure to SOCIETY FOR MINING, its primary authors, Mike Roach, be informative and provide us with METALLURGY, AND EXPLORATION, Colin Lawrence, Brian Fulcher and highlights of the most innovative INC. OFFICERS Dave Klug. My thanks go out as well technological advances in modern President to the UCA staff who participated tunneling. The weather and local John Mansanti in developing this amazing book. All attractions will be excellent as well. WTC 2016 registrants have received I wish everyone a happy, safe and President-Elect their copy. Additional copies may be healthy summer season. n Barb Arnold purchased through the UCA. I am happy to report that again Past President this year, attendance scholarships Artie Silber Tim Arnold have been provided to allow more young members to attend the UCA of SME Chairman Executive Director Rapid Excavation and Tunneling David L. Kanagy Underground Construction Association of SME Executive Committee Arthur D. Silber (Chair), Michael F. Roach (Vice Chair), William W. Edgerton (Past Chair), Lester M. Bradshaw, Judy Cochran, Robert Goodfellow, Gregory M. Hauser, Heather Ivory, Leon “Lonnie” Jacobs, Colin A. Lawrence, Rick Lovat, Mike A. Mooney, Pamela S. Moran, Nasri A. Munfah, Krishniah N. Murthy, Michael Rispin, Kellie C. Rotunno and Leonard A. Worden 2 MAY 2017 T&UC® KIEWIT FOUNDATIONS GROUP Keeping safety in the forefront, Kiewit Foundations Group performs complex geotechnical projects across North America. We deliver innovative and cost- effective solutions tailored to the specific needs of each project. Our range of services include: • Diaphragm Walls • Slurry Cutoff Walls Kiewit Infrastructure Co. • Ground Improvements 302 South 36th St., Suite 400 Omaha, NE 68131 • Drilled Shafts (402) 346-8535 KIEWIT.COM KFG_TUC2013-Q3_FINAL.indd 1 8/13/2013 9:05:12 AM underground CONSTRUCTION NEWSNEWSNEWSNEWSNEWS Bertha breaks through at SR-99 Project ertha, the world’s largest damage to the tunneling machine to continuing this outstanding tunnel boring machine is in dispute and is currently in progress through project completion.” B(TBM), broke through into a litigation. Neither WSDOT nor STP still has significant work to receiving pit after an arduous, 2.7 km STP is able to comment further on complete before the tunnel opens. (1.7 mile) journey beneath the city of ongoing legal issues, WSDOT said in Crews must finish building the Seattle, WA. a statement. double-deck highway within the The 17.5-m (57.5-ft) diameter Bertha returned to operation on circular walls that were bored by TBM was built by Hitachi Zosen and Dec. 22, 2015 and reached its final crews inside the tunneling machine. delivered to Seattle in 2013 to bore breaktrough on April 4. Mechanical and electrical systems, a tunnel as part of a multi-billion Led by WSDOT and designed plumbing and safety features also dollar project for the Washington and built by STP, the tunnel project must be installed. Department of Transportation will move a 3.2-km (2-mile) section Even as crews are installing (WSDOT) to replace the aging of SR 99 underground when it wraps these systems, crews will begin Alaskan Way Viaduct in Seattle. up in early 2019. Crews will then the extensive task of testing and Boring operations began in April demolish the viaduct, clearing the commissioning the tunnel to ensure 2013 and the four-lane tunnel was way for the city’s new waterfront. it’s ready for traffic. Inspectors will estimated to open in 2015, however, “This is a historic moment in individually test more than 8,500 about four months into its voyage our state’s transportation history,” separate components before testing the cutter head stalled on what was Gov. Jay Inslee said. “Innovation each of the tunnel’s various systems believed to be a long steel pipe and and perseverance are the engines as a whole. three days later Bertha overheated that keep Washington in the “This truly is a remarkable feat and stalled, about 314 m (1,030 ft) forefront. There is still more work of engineering,” Transportation into its journey. The stall lasted ahead but this moment is one worth Secretary Roger Millar said. “We’ve about two years as crews had to celebrating.” had delays and there’s still work to excavate a 36-m (120-ft) repair pit “We were always confident that be done, but the folks working on and construct a crane to repair the we would successfully complete the this job should be justifiably proud TBM. tunnel drive,” STP project manager of today’s milestone.” After an investigation, contractor Chris Dixon said. “The dedication Over the next several years, the Seattle Tunnel Partners (STP) and commitment of everyone on the City of Seattle’s Waterfront Seattle discovered damage to the machine’s Seattle Tunnel Partners team has project will build new public space main bearing. Crews completed been exceptional, and we wouldn’t and a surface boulevard in the place repairs and resumed mining in be at this milestone without the hard of the double-deck viaduct, which is December 2015. The cause of work of our crews. We look forward scheduled for demolition in 2019. n Funding for Gateway Project at risk resident Trump introduced his tapped to cover the $10 billion from Two Democratic state senators 2018 budget that includes cuts the federal government.