National Dam Safety Program. Thomas Hill Reservoir Dam (MO 10134), Grand - Chariton Basin, Randolph County, Missouri. Phase I Inspection Report.
Abstract
Thomas Hill Reservoir Dam was inspected by an interdisciplinary team of engineers. The purpose of the inspection was to make an assessment of the general conditions of the dam with respect to safety, based upon available data and visual inspection, in order to determine if the dam poses hazards to human life or property. In accordance with the guidelines and based on visual observation, the dam is classified as having a significant potential for damage and loss of life. Failure would threaten life and property. The estimated damage zone extends approximately sixteen (16) miles downstream from the dam. Within the damage zone are two power transmission lines and a strip mine area, in the first three miles, a State Highway 3 crossing at 3 miles, a crossing of U.S. Highway 24 at 12 miles and several dwellings with outbuildings between 12 and 16 miles downstream. Our inspection and evaluation indicates that the spillways meet the criteria set forth in the recommended guidelines for a large dam having a significant hazard potential. The Probable Maximum Flood is the appropriate spillway design flood. The spillways will pass the one percent probability flood (flood having a one percent chance of being exceeded in any year) and also the Probable Maximum Flood without overtopping the dam. The Probable Maximum Flood (PMF) is defined as the flood that may be expected from the most severe combination of critical meteorologic and hydrologic conditions that are reasonably possible in the region.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1980
- Accession Number
- ADA105332
Entities
People
- Garold Ulmer
- Gordon Jamison
- Harold P. Hoskins
- Rey S. Decker