Queenston-Chippewa Development of the Hydro-Electric Power Commission of Ontario

This paper covers a general description of the entire Queenston-Chippewa development of the Hydro-Electric Power Commission of Ontario, on the Canadian side of the Niagara River, which will have an ultimate capacity approximating 650,000 h. p. The general scheme of the development comprises ar intake structure in the Niagara River at Chippewa; the utilization, by deepening and widening, of the Welland River as a part of the waterway for 4?? miles; the construction of a canal 8?? miles long from the Welland River to the forebay and screen house on the top of the Niagara escarpment about a mile south of Queenston village; and the construction and equipment of the power house in the gorge immediately below the forebay. The entire design was carried out with the express object of producing power most efficiently from the available water at the lowest possible cost. Important features of the waterway are described, covering the special design of intake works to avoid ice troubles; the control gate in the canal; the concrete lined canal channel, and the consideration given the design of canal, forebay, screen house, penstocks and draft tubes to obtain the best hydraulic results.