{"id":38640,"date":"2023-06-23T14:38:14","date_gmt":"2023-06-23T12:38:14","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/ca\/success-stories\/vauxhall-wwtp-effluent-pumping-station-berm\/"},"modified":"2024-01-25T16:09:12","modified_gmt":"2024-01-25T15:09:12","slug":"vauxhall-wwtp-effluent-pumping-station-berm","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/ca\/fr\/success-stories\/vauxhall-wwtp-effluent-pumping-station-berm\/","title":{"rendered":"VAUXHALL WWTP EFFLUENT PUMPING STATION & BERM"},"content":{"rendered":"
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Problem<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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The Vauxhall wastewater treatment plant and effluent pumping station is located beside the Thames River at the City of London, Ontario. The pumping station continuously receives treated effluent downstream of the existing UV Disinfection. The Vauxhall WWTP EPS discharges into an elevated channel which provides the necessary head to push the plant\u2019s effluent into the river during high river levels. In the past, the WWTP was flooded due to major rainstorm events. After evaluation of alternatives, the consulting firm recommended the construction of a double sided protection berm with clayey soils to make it impervious. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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In order to optimize the construction footprint of the berm, a Maccaferri Green Terramesh MSE wall with Paradrain soil reinforcement was proposed. The original solution proposed flatter side slopes at 27\u00b0 which created a larger footprint. The Maccaferri solution minimized the foundation footprint with steeper side slopes oriented at 60\u00b0 to the horizontal. Green Terramesh\u00ae is an environmentally friendly modular system used to form a vegetated (green) soil reinforced slope or embankment. It consists of pre-fabricated units of double twisted wire mesh (8\u00d710 type) lined with an erosion control blanket and stiffened with a welded wire mesh panel. The ParaDrain\u2122 Geogrid is a high tenacity multifilament polyester yarn that is placed in tension and co-extruded with a polyethylene sheath into strips. The polyethylene sheath is profiled to provide a shaped drainage channel. The profiled element has a thermally bonded nonwoven geotextile strip bonded on the shoulders of the drainage channel. The ParaDrain\u2122 advantage is that it allows dissipation of excess pore water pressure while using cohesive soils, and also ensures soil reinforcement strength in a uniaxial direction which is necessary for design. The completed structure was an impervious clay reinforced berm fully vegetated that will protect the facility against future flooding events. The ends of the berm transitioned from 60\u00b0slopes to a 2:1 slope which was constructed and protected with Maccaferri MacMat N10 turf reinforcement mat to prevent surficial erosion and promote vegetation. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>","protected":false},"excerpt":{"rendered":"

In order to optimize the construction footprint of the berm, a Maccaferri Green Terramesh MSE wall with Paradrain soil reinforcement was proposed. 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