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Bridging or trampolining during liner installation

August 1st, 2023

Q: Why is it required that there be no bridging or trampolining during liner installation at any temperature? A: Bridging or trampolining is common at breaks in grade at most installation, particularly in cool mornings at a jobsite. If backfilled in this state, the geomembrane would be stressed and could yield or, worse yet, rupture […]

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