National Dam Inspection Program. Mine No. 60-Pond 6 (NDI Number PA 01145, PENN DER Number 63-89). Ohio River Basin, Tributary to Center Branch - Pigeon Creek, Washington County, Pennsylvania. Phase I Inspection Report.
ACKENHEIL AND ASSOCIATES INC PITTSBURGH PA
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The purpose of the investigation is to make a determination on whether or not the dam constitutes a hazard to human life or property. The Mine No. 60-Pond 6 is classified as a high hazard dam. In the event of a dam failure, at least 5 inhabited dwellings, several roads, a railyard and a reservoir could be subjected to damage, and the loss of more than a few lives could result. The Mine No. 60-Pond 6 is owned by the Bethlehem Mines Corporation, Eighty-Four, Pennsylvania 15330. The field inspection of Mine No. 60-Pond 6 was performed on 18 March 1981 and 26 March 1981 and consisted of Visual observations of the embankment crest and slopes, groins and abutments Visual observations of the principal and emergency spillway including approach channel, overflow section, and discharge channel Visual observations of the embankments downstream toe area including drainage channels and surficial conditions Visual observations of downstream conditions and evaluation of the downstream hazard potential Visual observations of the reservoir shoreline and watershed Transit stadia surveys of relative elevations along the embankment crest centerline, spillway, a normal operating level during inspection.
- Hydrology, Limnology and Potamology
- Civil Engineering