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National Dam Safety Program. Lake Lorraine Dam (MO 30433) Jefferson County, Missouri. Phase I Inspection Report
Lake Lorraine dam is an earth-fill dam with a notch spillway in the right abutment. The spillway is cut into a combination of earth and rock, and is paved with unreinforced concrete. The outlet works is a 30-inch corrugated metal pipe; this pipe is blocked on the upstream side with a piece of plywood and also a metal plate. The metal plate could not easily be removed in time of emergency. The inspection team visually observed animal burrows and a thick cover of brush and small trees on the downstream slope. The upstream slope has a lesser but appreciable brush cover. Our evaluation of the spillway size indicates that it does not meet the criteria in the guidelines.
National Dam Safety Program. Lake Lorraine Dam (MO 30433) Jefferson County, Missouri. Phase I Inspection Report
Lake Lorraine dam is an earth-fill dam with a notch spillway in the right abutment. The spillway is cut into a combination of earth and rock, and is paved with unreinforced concrete. The outlet works is a 30-inch corrugated metal pipe; this pipe is blocked on the upstream side with a piece of plywood and also a metal plate. The metal plate could not easily be removed in time of emergency. The inspection team visually observed animal burrows and a thick cover of brush and small trees on the downstream slope. The upstream slope has a lesser but appreciable brush cover. Our evaluation of the spillway size indicates that it does not meet the criteria in the guidelines.
National Dam Safety Program. Lake Lorraine Dam (MO 30433) Jefferson County, Missouri. Phase I Inspection Report
1978
27 pages
Report
Keine Angabe
Englisch