height of the average penstock for dams
In 1904, the present plant was built. Construction was preceded by replacing Triphammer Dam slightly west of it original location in 1896. Water is supplied to the plant from Beebe Lake by a five-foot diameter underground penstock, 1700 feet long. The existing intake dates to 1953 and was upgraded in 1981.n 1904, the present plant was built. Construction was preceded by replacing Triphammer Dam slightly west of it original location in 1896. Water is supplied to the plant from Beebe Lake by a five-foot diameter underground penstock, 1700 feet long. The existing intake dates to 1953 and was upgraded in 1981.