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National Program for Inspection of Non-Federal Dams. Riverside Pond Dam (CT 00336), Thames River Basin, Stafford, Connecticut. Phase I Inspection Program
The dam at Riverside Pond is a stone-faced earth embankment dam and is used to supply process water to the adjacent factory located just downstream of the dam. the dam has a height of 21 feet and is approximately 180 feet in length (including the spillway). A single span two lane bridge spans the spillway crest. The spillway is a stone masonry/concrete cap, uncontrolled broad crested weir, 64 feet in length. There are two outlet works, one located to the right of the spillway and the other at the left of the spillway. the right outlet works is a gated underground sluiceway that supplies process water to the adjacent mill. Flows at this outlet pass through the mill and discharge through the side wall of the building foundation and return to Furnace Brook. The left outlet works is also gated and is a 42 inch diameter riveted steel plate pipe through the left dam embankment. Based on the visual inspection at the site, the dam is considered to be in POOR condition. Deficiencies observed include: cracks and voids in the upstream masonry face vegetation growing in the upstream and downstream masonry walls, cracks and bulging of the downstream face of the dam, leakage through the left intake gates and deterioration of the outlet pipe, and seepage along the downstream face. Assuming the pool elevation at the top of the dam, the spillway can pass a flow of 4,435 CFS, which represents only 69 percent of the test flood outflow.
National Program for Inspection of Non-Federal Dams. Riverside Pond Dam (CT 00336), Thames River Basin, Stafford, Connecticut. Phase I Inspection Program
The dam at Riverside Pond is a stone-faced earth embankment dam and is used to supply process water to the adjacent factory located just downstream of the dam. the dam has a height of 21 feet and is approximately 180 feet in length (including the spillway). A single span two lane bridge spans the spillway crest. The spillway is a stone masonry/concrete cap, uncontrolled broad crested weir, 64 feet in length. There are two outlet works, one located to the right of the spillway and the other at the left of the spillway. the right outlet works is a gated underground sluiceway that supplies process water to the adjacent mill. Flows at this outlet pass through the mill and discharge through the side wall of the building foundation and return to Furnace Brook. The left outlet works is also gated and is a 42 inch diameter riveted steel plate pipe through the left dam embankment. Based on the visual inspection at the site, the dam is considered to be in POOR condition. Deficiencies observed include: cracks and voids in the upstream masonry face vegetation growing in the upstream and downstream masonry walls, cracks and bulging of the downstream face of the dam, leakage through the left intake gates and deterioration of the outlet pipe, and seepage along the downstream face. Assuming the pool elevation at the top of the dam, the spillway can pass a flow of 4,435 CFS, which represents only 69 percent of the test flood outflow.
National Program for Inspection of Non-Federal Dams. Riverside Pond Dam (CT 00336), Thames River Basin, Stafford, Connecticut. Phase I Inspection Program
1980
76 pages
Report
No indication
English