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TILDEN LAKE DAM REPLACEMENT

2019 to 2021

Replacement of the Tilden Lake Dam included the construction of a by-pass channel to divert water from Tilden Lake around the construction limits into the Tomiko River, construction of a new gravity dam, demolition of the existing Tilden Lake Dam, and landscaping restoration

 
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DIVERSION CHANNEL OPERATION

The diversion channel was operated during the construction phase of the dam and was able to adjust to accommodate any changes in flow as required.

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DIVERSION CHANNEL CONSTRUCTION

Construction of a 50m sheet pile diversion channel. Complete with concrete bottom, sheet pile walls, cut-off wall at inlet, and operational stop log gate.

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CONSTRUCTION OF CONCRETE GRAVITY DAM

Concrete forming, placement, finishing and curing of footings, two piers, two abutments and wingwalls, and 25m ogee weir.