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<br /> ADVERTISEMENT<br /> June ~ July 2015<br /> The official publication of the Tunnelling Association of Canada<br /> BASF - PROVIDING<br /> INNOVATIVE<br /> SOLUTIONS FOR<br /> TUNNEL<br /> WATERPROOFING<br /> <br /> NORTH AMERICAN EDITION<br /> June ~ July 2015<br /> The official publication of the Tunnelling Association of Canada<br /> HEAVY<br /> LIFTING<br /> The world's largest TBM<br /> surfaces in Seattle<br /> Southern states r Hydropower<br /> <br /> COMMENT<br /> CLOSING THE<br /> GENDER GAP<br /> L<br /> AST DECEMBER, the University of Minnesota's<br /> College of Science and Engineering hosted a very<br /> well-attended family fair showcasing science,<br /> technology, engineering and mathematics (STEM). Children<br /> as young as two years old built bridges out of marshmallows<br /> and toothpicks, as part of the civil engineering exhibit, and<br /> wide range of o<a title="TTNA June - July 2015 page 1" href="http://viewer.zmags.com/publication/77189bac?page=1"> ADVERTISEMENT June ~ July 2015 </a> <a title="TTNA June - July 2015 page 2" href="http://viewer.zmags.com/publication/77189bac?page=2"> </a> <a title="TTNA June - July 2015 page 3" href="http://viewer.zmags.com/publication/77189bac?page=3"> NORTH AMERICAN EDITION </a> <a title="TTNA June - July 2015 page 4" href="http://viewer.zmags.com/publication/77189bac?page=4"> </a> <a title="TTNA June - July 2015 page 5" href="http://viewer.zmags.com/publication/77189bac?page=5"> COMMENT CLOSING THE GENDER GAP L </a> <a title="TTNA June - July 2015 page 6" href="http://viewer.zmags.com/publication/77189bac?page=6"> +/#(!*-",-"+).!"-" +-"4,'),-</a> <a title="TTNA June - July 2015 page 7" href="http://viewer.zmags.com/publication/77189bac?page=7"> CONTENTS Left: Drilled mattress holes prior t</a> <a title="TTNA June - July 2015 page 8" href="http://viewer.zmags.com/publication/77189bac?page=8"> PUT US TO THE TEST Our locomotives </a> <a title="TTNA June - July 2015 page 9" href="http://viewer.zmags.com/publication/77189bac?page=9"> ROUND-UP / NEWS Crosstown TBMs extracte</a> <a title="TTNA June - July 2015 page 10" href="http://viewer.zmags.com/publication/77189bac?page=10"> NEWS / ROUND-UP ONTARIO TAC CHAPTER UPD</a> <a title="TTNA June - July 2015 page 11" href="http://viewer.zmags.com/publication/77189bac?page=11"> Visit us! Booth #1001 2111 H</a> <a title="TTNA June - July 2015 page 12" href="http://viewer.zmags.com/publication/77189bac?page=12"> NEWS / WORLD Xe-Pian Xe-Namnoy TBM sta</a> <a title="TTNA June - July 2015 page 13" href="http://viewer.zmags.com/publication/77189bac?page=13"> GROUND CONTROL SOLUTIONS DSI Underground S</a> <a title="TTNA June - July 2015 page 14" href="http://viewer.zmags.com/publication/77189bac?page=14"> NEWS / WORLD A new underground crossing</a> <a title="TTNA June - July 2015 page 15" href="http://viewer.zmags.com/publication/77189bac?page=15"> DIFFICULT ACCESS Geotech Drilling geotech sampli</a> <a title="TTNA June - July 2015 page 16" href="http://viewer.zmags.com/publication/77189bac?page=16"> NEWS / THE BIG PICTURE </a> <a title="TTNA June - July 2015 page 17" href="http://viewer.zmags.com/publication/77189bac?page=17"> THE BIG PICTURE / NEWS Left: On Ma</a> <a title="TTNA June - July 2015 page 18" href="http://viewer.zmags.com/publication/77189bac?page=18"> AND TUNNELLING INTERNATIONAL</a> <a title="TTNA June - July 2015 page 19" href="http://viewer.zmags.com/publication/77189bac?page=19"> SOUTH / REGIONAL FOCUS FLOAT ON The JV c</a> <a title="TTNA June - July 2015 page 20" href="http://viewer.zmags.com/publication/77189bac?page=20"> REGIONAL FOCUS / SOUTH 350 Feet is</a> <a title="TTNA June - July 2015 page 21" href="http://viewer.zmags.com/publication/77189bac?page=21"> SOUTH / REGIONAL FOCUS </a> <a title="TTNA June - July 2015 page 22" href="http://viewer.zmags.com/publication/77189bac?page=22"> REGIONAL FOCUS / SOUTH The unlined t</a> <a title="TTNA June - July 2015 page 23" href="http://viewer.zmags.com/publication/77189bac?page=23"> SOUTH / REGIONAL FOCUS I N THE the</a> <a title="TTNA June - July 2015 page 24" href="http://viewer.zmags.com/publication/77189bac?page=24"> REGIONAL FOCUS / SOUTH own programme</a> <a title="TTNA June - July 2015 page 25" href="http://viewer.zmags.com/publication/77189bac?page=25"> SOUTH / REGIONAL FOCUS </a> <a title="TTNA June - July 2015 page 26" href="http://viewer.zmags.com/publication/77189bac?page=26"> Built to deliver AECOM delivers integrated solu</a> <a title="TTNA June - July 2015 page 27" href="http://viewer.zmags.com/publication/77189bac?page=27"> ROAD TUNNELS / INSIGHT ON THE RADAR Gro</a> <a title="TTNA June - July 2015 page 28" href="http://viewer.zmags.com/publication/77189bac?page=28"> INSIGHT / ROAD TUNNELS </a> <a title="TTNA June - July 2015 page 29" href="http://viewer.zmags.com/publication/77189bac?page=29"> ROAD TUNNELS / INSIGHT The study</a> <a title="TTNA June - July 2015 page 30" href="http://viewer.zmags.com/publication/77189bac?page=30"> INSIGHT / ROAD TUNNELS LIGHTING LEGACIE</a> <a title="TTNA June - July 2015 page 31" href="http://viewer.zmags.com/publication/77189bac?page=31"> ROAD TUNNELS / INSIGHT Boston's Cent</a> <a title="TTNA June - July 2015 page 32" href="http://viewer.zmags.com/publication/77189bac?page=32"> INSIGHT / ROAD TUNNELS TUNNEL ZONES </a> <a title="TTNA June - July 2015 page 33" href="http://viewer.zmags.com/publication/77189bac?page=33"> ROAD TUNNELS / INSIGHT 1050 mA; </a> <a title="TTNA June - July 2015 page 34" href="http://viewer.zmags.com/publication/77189bac?page=34"> </a> <a title="TTNA June - July 2015 page 35" href="http://viewer.zmags.com/publication/77189bac?page=35"> HYDROPOWER / TECHNICAL PUMPING BELOW Risin</a> <a title="TTNA June - July 2015 page 36" href="http://viewer.zmags.com/publication/77189bac?page=36"> TECHNICAL / HYDROPOWER ❰ Bo Waterpower, </a> <a title="TTNA June - July 2015 page 37" href="http://viewer.zmags.com/publication/77189bac?page=37"> HYDROPOWER / TECHNICAL </a> <a title="TTNA June - July 2015 page 38" href="http://viewer.zmags.com/publication/77189bac?page=38"> TECHNICAL / HYDROPOWER Missouri, last y</a> <a title="TTNA June - July 2015 page 39" href="http://viewer.zmags.com/publication/77189bac?page=39"> The leading tunnelling magazine for 46 years! SU</a> <a title="TTNA June - July 2015 page 40" href="http://viewer.zmags.com/publication/77189bac?page=40"> TAC Ontario Chapter is pleased to announce a two-</a> <a title="TTNA June - July 2015 page 41" href="http://viewer.zmags.com/publication/77189bac?page=41"> HYDROPOWER / TECHNICAL TIED TOGETHER Tie-i</a> <a title="TTNA June - July 2015 page 42" href="http://viewer.zmags.com/publication/77189bac?page=42"> TECHNICAL / HYDROPOWER Development of t</a> <a title="TTNA June - July 2015 page 43" href="http://viewer.zmags.com/publication/77189bac?page=43"> HYDROPOWER / TECHNICAL Table 1. Project s</a> <a title="TTNA June - July 2015 page 44" href="http://viewer.zmags.com/publication/77189bac?page=44"> TECHNICAL / HYDROPOWER displacement. Up</a> <a title="TTNA June - July 2015 page 45" href="http://viewer.zmags.com/publication/77189bac?page=45"> HYDROPOWER / TECHNICAL FACE LIFT Manitoba H</a> <a title="TTNA June - July 2015 page 46" href="http://viewer.zmags.com/publication/77189bac?page=46"> TECHNICAL / HYDROPOWER New primary spil</a> <a title="TTNA June - July 2015 page 47" href="http://viewer.zmags.com/publication/77189bac?page=47"> HYDROPOWER / TECHNICAL West guide berm</a> <a title="TTNA June - July 2015 page 48" href="http://viewer.zmags.com/publication/77189bac?page=48"> TECHNICAL / HYDROPOWER Table 1. Summary o</a> <a title="TTNA June - July 2015 page 49" href="http://viewer.zmags.com/publication/77189bac?page=49"> HYDROPOWER / TECNICAL </a> <a title="TTNA June - July 2015 page 50" href="http://viewer.zmags.com/publication/77189bac?page=50"> TECHNICAL / HYDROPOWER rock faces were </a> <a title="TTNA June - July 2015 page 51" href="http://viewer.zmags.com/publication/77189bac?page=51"> EVENTS What's on 2015 RETC 2015 7-10 June 2015 </a> <a title="TTNA June - July 2015 page 52" href="http://viewer.zmags.com/publication/77189bac?page=52"> CONTACTS Contact us Editorial Nico Rob i le nso</a> <a title="TTNA June - July 2015 page 53" href="http://viewer.zmags.com/publication/77189bac?page=53"> WE HAVE FROZEN GROUND WITH PRACTICALLY EVERY CONC</a> <a title="TTNA June - July 2015 page 54" href="http://viewer.zmags.com/publication/77189bac?page=54"> MADE RIGHT. HERE. JENNMAR's PYTHON® Expandable </a>