SECOND NARROWS WATER SUPPLY, VANCOUVER, BC NAVI GATION THROUGH CHANGING GEOLOGY The new Second Narrows water supply tunnel will be excavated deep under the Burrard Inlet, just east of the Ironworker’s Memorial Bridge. Due to complex geological conditions, the first ever Mixshield in Canada will be utilized in this project. With project-specific technology and s u p p o r t from the local Herrenknecht subsidiary, the 1,100 meters of new tunnel will replace the existing aging mains that convey drinking water. herrenknecht.com/secondnarrows Client: Metro Vancouver Contractor: Traylor-Aecon General Partnership INSIDE this issue OCTOBER 2020 COVER STORY 10 Utilization of Underground Space Promotes Urban Development By Nasri Munfah A look at the role of subway construction and development in today’s cities. FEATURES DEPARTMENTS 14 21 4 Market Spotlight: Special Sponsored Publisher’s Message By Jim Rush Roadheaders Content Section Antraquip’s Karl Mitterndorfer discusses TBM highlights the industry’s leading the latest deveopments in roadheaders. consultants, contractors, suppliers and manufacturers. 5 Business Briefs 16 News from across North America Underground Projects 41 and around the world. Project Update Forge Ahead A look at major tunneling works Jay Dee Contractors’ essential workers underway in North America. 47 keep critical infrastructure safe. Ad Index 18 47 Tunnel Lighting Upgraded lighting in Chesapeake Bay Business Cards Bridge-Tunnel results in unique, new design innovations. TBM: Tunnel Business Magazine (ISSN 1553-2917) is published six times per year. Copyright 2020, Benjamin Media Inc., 10050 Brecksville Road, Brecksville, OH 44141. USA All rights reserved. No part of this publication may be reproduced or transmitted by any means without written permission from the publisher. One year subscription rates: complimentary in the United States and Canada, and $99 in other foreign countries. Single copy rate: $20. Subscriptions and classified advertising should be addressed to the Brecksville office. POSTMASTER: send Changes of Address to TBM: Tunnel Business Magazine, 10050 Brecksville Road, Brecksville, OH 44141 USA. tunnelingonline.com 3 TBM: TUNNEL BUSINESS MAGAZINE October 2020 PUBLISHER’S message PUBLISHER/EDITOR James W. Rush [email protected] CONTRIBUTING STAFF EDITORS Sharon M. Bueno TUNNELING IN THE Brad Kramer Andrew Farr AGE OF COVID Mike Kezdi SALES + MARKETING Director of Marketing: The topic of this month’s cover story Also in this issue, we talked with tunnel Kelly Dadich – “Utilization of Underground Space contracting firm Jay Dee, and highlight [email protected] Promotes Urban Development” – raises their projects that are playing a vital role in interesting discussion points, especially in protecting our environment, notably CSO Regional Sales Representative: light of the COVID-19 pandemic that is reduction programs. Based in Michigan Maura Bourquin impacting the country, and the world. in the heart of the Great Lakes region, Jay [email protected] Written by Nasri Munfah of AECOM, Dee has been involved with several projects Conference Sales Coordinator: a global engineering firm with deep roots that have an amazing impact on the water Meghan Squires in the transit sector, the article shows the quality of the region, restoring lakes and [email protected] beneficial impact of transit investment on rivers to swimmable/fishable goals outlined the development of our urban centers. in the Clean Water Act. Also of note, Jay PRODUCTION + FULFILLMENT Given the trends in population shifts toward Dee and tunnel contractors across the Graphic Designer/Production Coordinator: Deborah R. McManus cities and an increased need for sustainable county have been able to continue progress [email protected] and environmentally friendly transportation on projects underway due to the critical solutions, investment in mass transit should nature of the work and measures adopted Director of Web and Audience Development: be a priority. to help create safe jobsites. Mark Gorman Munfah uses New York City as a As Munfah notes in his article, “The use [email protected] backdrop to showcase how investment in of the underground space is sustainable. Audience Development/Sustainability Coordinator: an underground, urban transportation It provides isolation from the elements Cayla Poteete network has had a tremendous impact reducing power consumption and carbon [email protected] on the city. However, the current impact footprint. … The use of underground space of the COVID crisis has had substantial provides additional environmental benefits EDITORIAL COUNCIL impacts on New York’s mass transit system, in term of visual effects, air quality by Gary Brierley, P.E - Dr. Mole Inc. with similar impacts being felt across the removing vehicles from streets, less conges- Randy Essex, P.E. - Mott MacDonald - Ozdemir Engineering Inc. country. In the article, Munfah notes that tion, and a reduction of noise and vibration Dr. Levent Ozdemir, P.E. William W. Edgerton - McMillen Jacobs Associates subway ridership dropped to 10 percent resulting in a better quality of life at the Joe Gildner - Sound Transit of its daily boardings, although he wrote surface. The use of the underground facili- Paul Roy - AECOM that it is anticipated to return to its former ties improves the local and global ecological Jon Hurt - Arup levels within a year or two. cycle. … Underground facilities are more A recent article in the Economist (Sept. cost effective considering life-cycle cost and 5, 2020) reported that MTA, the agency triple bottom line since design life of all that manages the New York subway system, underground facilities exceed 100 years.” is losing $200 million a week and “is on In planning for our future, it is important the verge of financial collapse.” A Sept. 15 that we do not lose sight of the tremendous report by the American Public Transporta- benefits that underground facilities and Chief Executive Officer: tion Association (APTA) says that “six in 10 mass transit networks play in the overall Bernard P. Krzys [email protected] public transit systems will need to reduce health of our society. service and furlough employees in the President: coming months without an additional $32 Robert Krzys [email protected] billion in emergency federal funding from Congress.” APTA is urging Congress to Controller: pass new legislation that would provide $32 Marianne Saykes [email protected] billion in emergency transit funding to help agencies maintain services and workfoce 10050 Brecksville Rd. while we recover from the pandemic. Brecksville, OH 44141 USA The news for the tunneling sector is Ph: 330.467.7588 - Fax: 330.468.2289 not all bleak, however. Water and sewer Jim Rush www.benjaminmedia.com infrastructure funding remains a priority. Editor/Publisher, TBM e-mail: [email protected] Reprint Information: Wright’s Media Ph: 877.652.5295 - Fax: 916.983.6762 TBM: TUNNEL BUSINESS MAGAZINE October 2020 4 tunnelingonline.com MINNEAPOLIS PLANNING BUSINESS briefs CENTRAL CITY PARALLEL STORMWATER TUNNEL CLARK COUNTY (NV) COMMISSION OKS TUNNEL EXPANSION PLAN the County Commission to move forward with our proposed passenger station and tunnel and are eager to take the next steps in creating an innovative transportation solution for our con- The City of Minneapolis Department of vention guests and visitors,” said Scott Sibella, Surface Waters and Sewers is planning to President of Resorts World Las Vegas. construct the Central City Parallel Stormwa- The decision comes after land-use applica- ter Tunnel in downtown Minneapolis. The On August 5, Resorts World Las Vegas, tion and design plans were submitted for the sandstone bedrock tunnel will be approximately the US $4.3 billion resort scheduled to open tunnel and passenger station to the Board of 4,300 ft long and range in size from 9.75-ft in summer 2021, received an approval by the County Commissioners on June 1. Marking to larger than 12-ft equivalent diameter. The Clark County Commission necessary to move an important milestone, the decision moves tunnel will outlet into a channel adjacent to the forward with constructing the resort’s pas- the landmark project into the next phase of the Mississippi River at the same location as the senger station and tunnel that will connect to permitting process. Construction is anticipated existing tunnel outlet. The tunnel will relieve the Las Vegas Convention Center campus the to begin by the end of this year. overpressurization in the undersized parallel transportation system being constructed by The The Resorts World Las Vegas passenger existing tunnel system. Boring Company. This new tunnel project will station will offer direct access to the heart of Bidding Documents will be available late transport passengers between the city’s newest the resort’s dining, retail and nightlife offerings, spring 2021 for fall 2021 construction start. integrated resort and the Las Vegas Convention as well as convenient access to the Las Vegas The project is valued at $50-$60 million. City Center (LVCC) via underground tunnels in all- Strip. Additional plans have been floated that of Minneapolis Department of Surface Waters electric Tesla vehicles in under just two minutes. would extend the tunnel through the strip and and Sewers, Attn: Joe Klejwa, Project Manager, “We are thrilled to receive approval from McCarran Airport. 1901 E 26th St, Minneapolis, MN 55404. Delivering complex tunneling projects worldwide