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THE OFFICIAL PUBLICATION OF UCA OF SME WWW.TUCMAGAZINE.COM VOLUME 10 NO 4 December 2016 Ventilating Gotthard Base Tunnel Sound Transit Link Light Rail System Cutting Edge: Tunneling in nation’s hotbed Special Editorial Supplement from the publisher of Mining Engineering DESIGN. BUILD. INSTALL. SERVICE. FKC-Lake Shore serves the underground heavy civil and mining industries throughout North and South CONTROLS HEADFRAMES HOISTS SHEAVES SKIPS America. We offer design-build-install services for innovative hoisting, elevator, and vertical conveyance systems used to transport personnel and material. Our Field Services Division provides routine maintenance, inspections, wire rope NDT, FIELD BRAKEMAN CAGES/ WIRE ROPE VERTICAL and 24/7 emergency repair of electrical and SERVICES CARS ELEVATORS NDT BELTS mechanical systems. 1.877.554.8600 | [email protected] For more information, visit us at: www.frontierkemper.com AN OFFICIAL PUBLICATION OF UCA OF SME WWW.SMENET.ORG VOLUME 10 NO 4 DECEMBER 2016 COVER STORY DEPARTMENTS 2 CONTENTS Chairman’s column 4 Underground FEATURE ARTICLES construction news 7 68 Oversized fans ventilate the UCA of SME news In this issue — world’s largest and longest The Sound Tran- railway tunnel 68 sit Link Light Rail Personal News project in Se- attle is part of the city’s $1.9-billion 68 New Products Northgate proj- ect. Some of the innovative tech- 70 nologies used are ITA News examined on page 14. More than 200 66 professionals at- Tunnel demand 10 forecast tended the Cutting More than 200 attend Cutting Edge conference Edge 2016 in nation’s tunneling 72 last month, page hotbed Classifieds 10. Cover photo is of the Sound Tran- sit Link system, William Gleason courtesy of Brokk. Copyright 2016 by the Society for Mining, Met- allurgy and Exploration, Inc. All rights reserved. TUNNELING & UNDER- GROUND CONSTRUC- TION (ISSN 0026–5187) 14 is published quarterly by the Society for Min- Contractor uses innovative ing, Metallurgy, and Ex- techniques on Seattle project 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] ITA hosts spectacular awards, another successful Cutting Edge Senior Editor irst and foremost, I hope completion. It is scheduled to have William M. Gleason you and your family had a the final edits completed and sent [email protected] Fwonderful Thanksgiving and to the printer prior to the end of the are readying for a wonderful, safe and calendar year. Each World Tunnel Senior Editor very rewarding holiday season and a Congress 2016 (WTC) attendee will Georgene Renner prosperous New Year. be mailed a complimentary copy of [email protected] I recently returned from the the book when the printing has been 2016 International Tunnelling completed. Production Graphic Artist Association’s (ITA) awards event in The Rapid Excavation and Ted Robertson Singapore. It was the ITA’s second Tunneling Conference is scheduled [email protected] annual awards event. The 2017 event for June 4-7, 2017, and should be is planned for Paris, France. very successful given all of the work BUSINESS STAFF The event was quite spectacular. and planning going into the event. Media Manager Many fascinating projects and new I am also happy to report that the Advertising technologies were presented on day 2017 UCA budget includes funding Ken Goering one of the two-day event. One of to support the attendance of many [email protected] the most notable items at the event Young Tunnelers through grants for me was the lack of American like we provided last year for the Phone +1-800-763-3132 or +1-303-973-4200 submissions for consideration in any WTC. Details and applications will Fax +1-303-973-3845 of the categories. We did, though, be provided soon. The evaluation have one finalist in the Young and recommendation committee will Internet www.smenet.org Engineer of the Year category. I consist of those within the Young hope the American Association Tunnelers group. The group will make SOCIETY FOR MINING, can and will step up next year and recommendations to the Executive METALLURGY, AND EXPLORATION, compete for some or all of the award Committee for review and approval. INC. OFFICERS categories. I am looking forward to many President I also want to report on the applications and a large attendance Timothy D. Arnold Underground Construction by young and other tunnelers. Association of SME’s (UCA) most We, as a group, must continue to President-Elect recent Cutting Edge Conference, held support and provide outreach to John Mansanti in Los Angeles, CA in November. the Young Tunnelers and to the The presentations were top notch Women Tunnelers group to better Past President and proved to be very interesting our Association and engage new J. Steven Gardner to all of the attendees. The paid members. attendance of 227 people exceeded Lastly, the George A. Fox Executive Director our budgeted estimate, and our Conference is scheduled for Jan. 24, David L. Kanagy sponsorships were more than double 2017 in New York City. The one-day our estimated revenue. I opine this conference will provide attendees the Underground Construction success was due in large part to the opportunity to meet industry leaders, Association of SME many hours of early planning and attend technical sessions, interact Executive Committee the early release of the topics to be with other professionals and catch Arthur D. Silber (Chair), Michael F. presented and discussed. My thanks up on some professional networking. Roach (Vice Chair), William W. Edgerton to the committee and all of those who Please register soon, as the available (Past Chair), Lester M. Bradshaw, Judy worked hard to turn the conference seats fill quickly and the event is Cochran, Robert Goodfellow, Gregory into a complete success. usually sold out early. M. Hauser, Heather Ivory, Leon “Lonnie” As for the History of Tunneling Again, I wish everyone a happy, Jacobs, Colin A. Lawrence, Rick Lovat, book, many of our members have safe and healthy holiday season and a Mike A. Mooney, Pamela S. Moran, Nasri spent many hours, weeks and safe and prosperous New Year. n A. Munfah, Krishniah N. Murthy, Michael months working on this project. Rispin, Kellie C. Rotunno and Leonard A. My thanks to you, too. I am happy Artie Silber, Worden to report that the work is nearing UCA of SME Chairman 2 DECEMBER 2016 T&UC® underground CONSTRUCTION NEWSNEWSNEWSNEWSNEWS Tunneling to begin on downtown Los Angeles regional connector rail line he tunnel boring machine Blue and Gold Lines and from East Tunnel digging begins in January (TBM), named Angeli, that L.A. to Santa Monica along the Gold and will advance at a rate of about 18 Twill be used for the regional Eastside Extension and Expo Lines. m/d (60 ft/day). connector transit project in Los Los Angeles County Metro estimates The project has already hit Angeles was lowered into place in the connector will reduce travel cost overruns and delays due to October to be assembled to dig 1.7- times by as much as 20 minutes. unexpected underground utility lines km (1.1-mile) twin tunnels as part of The regional connector will span discovered during early phases of the $1.55-million regional connector 3 km (1.9 miles) through downtown construction. Because downtown project that is scheduled to be adding three new stations. L.A. is one of the oldest and densest completed in 2021. “This is a major milestone areas of the city, many existing Angeli, a 6.5-m (21.5-ft) diameter toward the completion of a vital utilities have never been mapped. TBM, will create the path for a project that truly connects the region Metro relocated the utility lines rail line to connect three currently by providing a one-seat ride to and extended its timeline for the disconnected light rail lines. downtown Los Angeles for users of project at a cost of an extra $130 When the project is completed the Blue, Gold and Expo lines,” said million. The anticipated opening date passengers will have a one-seat ride John Fasana, Metro board chair and for the line has been shifted from from Long Beach to Azusa along the Duarte City Council member. 2020 to 2021.n Governor pledges support for tunnel expansion aryland Gov. Larry Hogan project will be funded in the second the floor of the tunnel, notching pledged to find a way to year of the grant program, citing the archways to allow the rectangular Mexpand the Howard Street application’s high ranking and his shipping containers to pass through, Tunnel underneath Baltimore. It is a personal appeals to President Barack trimming back ceilings and using project that Hogan said would spur Obama and Vice President Joe Biden.