Tunnel Business Magazine

OCT 2018

TBM: Tunnel Business Magazine is the market leader for North America. TBM is written for leading professionals in all aspects of tunneling and covers project stories, design elements, contracting strategies, legal issues, new technology and more.

Issue link: http://digital.tunnelingonline.com/i/1042145

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TA B L E O F C O N T E N T S 3 C O V E R S T O R Y 14 Rubber City Renewal Excavation complete on Akron's Ohio Canal Interceptor Tunnel. TBM: Tunnel Business Magazine (ISSN 1553-2917) is published six times per year. Copyright 2018, Benjamin Media Inc., 10050 Brecksville Road, Brecksville, OH 44141. USA All rights reserved. No part of this publica- tion 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. Canadian Subscriptions: Canada Post Agreement Number 40830553. Send change of address information and blocks of undeliverable copies to: KML Logistics Group Inc., 118 Herald Ave., Oakville, ON L6L 1S2 Canada I N S I D E this issue 18 Under Pressure Ward & Burke meets new standards on Ontario microtunnel project. 20 Subsurface Conditions and Design Adequacy Risk Allocation in Design Build Achieving effective and balanced risk allocation in design-build subsurface projects has proven to be challenging. By David J. Hatem 26 Geotechnical Risk Assessment for Tunneling Projects Tunneling risks are related to under- standing the ground and its behaviors during construction. By Gary S. Brierley 30 Understanding the New Austrian Tunnel Method Comparing the pros and cons of tun- neling methods. 32 Tunnel Vision Students scan the past to preserve the future 36 Project Update A progress report of major tunnel projects under c America. O C T O B E R 2 0 1 8 D E PA R T M E N T S 4 Publisher's Message By Jim Rush 6 Business Briefs om acr and around the world. 46 Business Cards 46 Ad Index 46 Calendar O N T H E C O V E R Rubber City Renewal Robbins Crossov Up Akron Waterways TUNNELINGONLINE.COM TBM: TUNNEL BUSINESS MAGAZINE // OCTOBER 2018

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