National Program for Inspection of Non-Federal Dams. Chance Brook Dam (NH 00410), NHWRB 87.15, Merrimack River Basin, Franklin, New Hampshire. Phase I Inspection Report.
CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV
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The dam is a 14 ft. high concrete gravity structure with a 110 ft. long ogee spillway. It is intermediate in size with a high hazard potential. The spillway test flood is equivalent to the PMF. The condition of the dam is considered good, with minor repairs and additional investigations to be made by the owner within 2 to 3 years from receipt of this report. Author
- Civil Engineering