National Dam Safety Program. Scott's Run Dam (NDI-PA 00725, PA DER 6-435), Delaware River Basin, Scott's Run, Berks County, Pennsylvania. Phase I Inspection Report.
Abstract
Scott's Run Dam is a zoned earth embankment, approximately 625 feet in length with a maximum height of 34 feet. The dam was constructed for recreational purposes and impounds a reservoir with a surface area of 21.9 acres and a storage capacity of 200 acre-feet at normal pool. The top of the dam is 14 feet wide and the side slopes are 3H:1V upstream and 2H:1V downstream. A cofferdam is incorporated into the upstream face of the embankment, forming a 28-foot wide berm from Elevation 582.0 to 584.0. The upstream slope is 2.5H:1V below the berm elevation. According to the information obtained from DER, the embankment is constructed in 3 zones. A central core section with 0.6H:1V side slopes is composed of selected impervious material (class 'A' material). A cutoff trench with 1H:1V side slopes and a 16-foot bottom width is excavated into impervious foundation material below the central core and is also composed of Class 'A' material. The upstream shell of the embankment consists of less impervious material (class 'B' material) and the downstream shell is composed of pervious material consisting of sand and some stones (class 'C' material). According to available information, a concrete cutoff wall extends through the cutoff trench and into the foundation material below the cutoff along the axis of the dam. Seepage control is provided by a downstream toe drain composed of gravel and small stone and an upstream impervious blanket (class 'A' material) which extends approximately 500 feet beyond the upstream toe.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1979
- Accession Number
- ADA072794
Entities
Organizations
- O'Brien & Gere