National Program for Inspection of Non-Federal Dams. Sandy Hook Dam (CT 00311), Housatonic River Basin, Newtown, Connecticut. Phase I Inspection Report.
Abstract
The Sandy Hook Dam consists of a stone masonry, earth, and concrete structure with a total length of 185 feet and a height from streambed to abutment of 35 feet. The dam was originally constructed in 1870 (from plaque on dam) as a stone masonry structure. The concrete face, walls, deck and intake structure were added at a later date. The downstream face of the right end of the dam had been covered with earth, but the failure of a downstream retaining wall has exposed the original stone masonry. The overflow spillway section is 80 feet long and is interrupted by a 6-foot wide intake structure. The intake structure contains the gate and manual operator for the blowoff. The blowoff consists of a 30-inch pipe through the concrete portion of the dam and a 48 x 55-inch arch through the stone masonry portion of the dam. Two sluice gates with manual operators located near the right end of the dam control the intake to a 72-inch diameter riveted steel conduit which transports water to a turbine. All gates are operational. The dam appears to be in fair condition and requires some work.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1980
- Accession Number
- ADA144298
Entities
Organizations
- New England District, U.S. Army Corps of Engineers