原文传递 Townsend Harbor Dam NATIONAL PROGRAM FOR INSPECTION OF NON-FEDERAL DAMS
题名: Townsend Harbor Dam NATIONAL PROGRAM FOR INSPECTION OF NON-FEDERAL DAMS
关键词: DAMS. INSPECTION. DAM SAFETY. Merrimack River Basin Townsend, Mass.
摘要: Townsend Harbor Dam consists of a 100 foot long earth embankment 11 feet high at the right, a 92 foot long stone masonry spillway 8 feet high at the center an 57 foot long stone masonry wall retaining apparent fill at the left side of the dam. The dam is in fair condition.Based on the size, small,and hazard classification,significant,the spillway test flood is the 1/2 PMF
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