Trenchless Technology

NOV 2018

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407 East and Steeles Avenue East . Construction of the twin sewer com- prised approximately 2.0 km of 1,800 mm ID pipe, 2.87 km of 1,500 mm ID pipe and 260 m of 1,650 ID pipe, in- stalled in 14 drives ranging from 95 m (312 ft) to 820 m (2,680 ft) in length. Of the fourteen drives, five included some curved components, some with multiple curves. Ward and Burke Microtunnelling Ltd., of Mississauga, Ontario, was se- lected as the microtunneling contrac- tor for the $40 million project . Con- struction started in May 2017 with all tunneling completed in April 2018. All internal pressure testing of the new sewers has been completed. The team used a combination of two Herrenknecht AVN 1800s, one Herrenknecht AVN 1600 and one Her- renknecht AVN 1500. For long drives and curved drives, Ward & Burke used a VMT SLS LT guidance system. Decast supplied the jacking pipe. W W W.T R E N C H L E S S T EC H N O LO GY.C O M 39 N O R T H A M E R I C A N M I C R O T U N N E L I N G 2 0 1 8 R E V I E W M I C R O T U N N E L I N G J O B L O G 2 0 1 8 Twinning of the East Brampton Trunk Sewer

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