Methane Vapor Barrier LOCATION: Calgary, AB SCOPE OF WORK: Under-building methane collection system design and install PROJECT PARTNERS: Owner: Calgary Regional Health Authority When the new Colonel Belcher senior’s care housing complex in Calgary, Alberta required an under-building methane collection system, the services of Layeld to provide the supply and installation of the system were called upon. The system was comprised of a 30 mil PVC methane barrier layer on top, a 10 oz non-woven geotextile to provideprotection to the liner, and a sub-grade of gravel containing a network of weeping tile to collect and vent the methane. Due to the extensive construction schedule, the Layeld team of installation experts were required to mobilize and demobilize several times over a ten month pe

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