Gabions

Adjacent to the village of Downderry the beach was affected by erosion. Tidal action undermined the toe of the cliff and threatened to cause a major slip. Properties, including a Hotel, were endangered by possible subsidence.

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For many years there had been severe erosion to the north bank of the River Humber at Brough, which is some ten miles to the west of Hull. Much of the land at Brough is below the level of ordinary spring tides in the Humber, and the agricultural land, together with the main railway line to Hull, an aircraft factory, and a timber yard are protected by an earthen flood embankment. Erosion continued and the Hull and East Yorkshire River Board considered a number of schemes. It eventually agreed that the remedial works should comprise about 1000 yd. of half tide wall, and a similar length of gabion revetment.

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The Town of Owen Sound was proposing to reconstruct an approximate 800 m section of 8th Street East, from 5th Avenue East to 9th Avenue East. The purpose of the reconstruction was to replace existing storm and sanitary sewers and watermain throughout the 800 m section road. On the north side of the road there was an aging limestone and mortar slope treatment along of the road embankment. The geotechnical investigation recommend to replace this slope treatment with a new retaining wall system. Due to the horizontal space available between the edge of the road and the property lines on top of the slope, a tie back system wasn’t an option because there wasn’t enough space to place the tie backs in the proper length. Also, the city was looking for a green face wall, they were trying to avoid a massive concrete/rock face wall. C. C. Tatham & Associates out of Collingwood, Ontario contacted Maccaferri Canada LTD to provide a proposal for the retaining wall required.

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