CASE HISTORY: SEWAGE LAGOON LINER WITH A SCRIM-REINFORCED GEOSYNTHETIC CLAY LINER (GCL), BENTOFIX NW SERIES. Photo courtesy of Scott Costain, Arrow Construction Moncton office. BACKGROUND: Local deposits of clay in St. Peters, PEI, lacked the permeability to be approved as an acceptable compacted clay liner for the new construction of a sewage lagoon. The local clay, known as brick clay, had a permeability of approximately 1 x 1

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