Tunnel Business Magazine

APR 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.

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TUNNELINGONLINE.COM TBM: TUNNEL BUSINESS MAGAZINE // APRIL 2018 and committed to providing the most effi- cient product support to Lovat/ customers worldwide. Lovsuns also main- tains an extensive complement of spare parts and components in Toronto. Malcolm Drilling olm Drilling has for over five decades been an innova- tor and leader in the deep foundation in- dustry olm's list of core services as it relates to tunneling and geotechnical con- struction includes access shafts, support of excavation systems, slurry and secant pile walls, grouting techniques, various soil mixing methods and dewatering. These combined services have routinely been applied on numerous complex tunneling projects throughou om SR99 in Sea company's engineering experience fa- cilitates design-build efficiency and allows for timely collaboration with owners and contr olm provides these ser- vices nationwide through regional offices. MAPEI UTT The Underground Technology Team is the growing demand from the construction market for a range of products dedicated to underground construction work. As a result technical know-how developed in many countries for more than 20 y e- ated a dedicated product range of "Under- ground Technology Construction Prod- ucts. These products are supported in the ound Technol- ogy Team (UTT). Even in highly unpredict- able situations, the UTT representatives are able to provide the most appropriate technical and economic solutions. - bers of the UTT Technical Service staff are available to meet with you in your office or directly on the job-site. McDowell Equipment Ltd. quipment Ltd. supplies new and late-model tunneling equipment for rental or sale. The company's rental fleet consists of underground loaders fr to 10 yd; underground haul trucks from 7 to 40 tons; low-profile motor graders; jumbo drills with one, two or three booms; underground remixers; locomotives; and muck cars. manufactures sho- tecrete machines, sciss - ers, and personnel carriers. The company can also offer fully re-manufactured or reconditioned equipment at significant savings from new with fast delivery times. McMillen Jacobs Associates obs Associates is an employee-owned engineering and con- struction firm with a rich history in tun- nel design and innovative construction engineering. The firm serves the water resources, heavy civil and underground markets, offering comprehensive design, design-build, self-performing construc- tion and construction management ca- pabilities, as well as dispute resolution services. Leading-edge designs consider construction methods ranging from open- beam tunnel boring machines, shielded rock machines, earth pressure balance and slurry machines, and sequential excava- tion method techniq obs' underground expertise spans the design of tunnels, deep shafts, temporary works, portal and slope stability, deep founda- tions, building protection measures, and ground improvements. Measurand and designs and manufactures ShapeAr- ray, an instrument used to monitor deforma- tion of soil and structures like dams, tun- nels, walls and buildings. ShapeArray is a completely automated shape-measuring instrument, which has set a new standard for ease of installation and 360 x 360-de- gree range of orientation. ShapeArray can be installed near vertical to measure lateral deformation, near horizontal to track ver- tical deformation, or in an arc to measure convergence. ShapeArray data are avail- able in real-time, enabling engineers and designers to reduce risk and save money by making smarter, faster decisions. Michels es a va- riety of tunneling techniques to complete challenging tunnels in all locations and soil conditions for pipelines, water mains, and storm and sanitary s - tensive experience includes working with earth pressure balance tunnel boring ma- chines ro convention- al drill-blast tunneling, sequential excava- tion metho emote controlled tunneling sy erience working on land, under water, in the larg- est cities and in the most remote regions. omprehensive pre-planning pro- cess is critical to its ability to build safe, reli- able tunnels under even the most extreme conditions. Mining Equip- ment Ltd. "Rolling for more than 35 years, - ing Equipment con- tinues to supply the tunneling and mining industries with top- quality rolling stock, Jetair fans and steel ventilation ducting as well as a large inven- tory of rebuilt equipment such as scoop- trams, trucks, drill jumbos and other un- derground gear tional, a sister compan quipment, is base y, Ontario. It boasts the world's largest inventory of used mine hoist and large capacity stage winches for mining and shaft sinking projects. Its new 20,000 s y can handle the largest of hoist and winch rebuilds. Moretrench e t r e n c h specializes in complex underground construction geo- technical challenges, particularly those related to tunnels, shafts, cross passages, and other underground structures. The company's services include ground freez- ing, dewatering and groundwater control, earth retention and excavation support, soil stabilization and grouting, remediation of mixed-face conditions, rock consolidation, and groundwater treatment. These servic- es are available nationwide through offices in Jersey, York, Florida, - chusetts, Pennsylv land. Mott MacDonald o- vides tunnel design and engineering solutions for rail and transit, road, water/wastewater conveyance, CSO stor- age, and cable and communications. With a reputation for technical excellenc actical approaches to tunneling, equipment selection and con- tracting approaches. Expertise includes soft ground and rock tunneling, cut and cover, underground caverns, immersed tube tun- nels, jacked tunnels, and microtunneling. F E A T U R E S T O RY 2 8

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