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National Dam Safety Program Bottom Diggins Dam Mo 30750 Mississippi Kaskaskia St Louis Basin Washington County Missouri Phase I Inspection Report
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Book Synopsis National Dam Safety Program. Bottom Diggins Dam (MO 30750), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Kenneth B. King
Download or read book National Dam Safety Program. Bottom Diggins Dam (MO 30750), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Kenneth B. King and published by . This book was released on 1979 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the inspection was to assess the general condition of the dam with respect to safety. The assessment is based upon an evaluation of the available data, a visual inspection, and an evaluation of the hydrology and hydraulics of the site in order to determine if the dam poses hazards to human life or property. The dam provides impoundment for barite ore tailings. The results of the inspection and evaluation indicated that the spillway does not meet the criteria given in the guidelines for a dam with the size and hazard potential of Bottom Diggins Dam. As an intermediate size dam with a high hazard potential, the Guidelines specify that the discharge capacity and/or storage capacity should be capable of safely handling the Probable Maximum Flood (PMF) without overtopping the crest. The PMF is the flood that may be expected from the most severe combination of critical meteorological and hydrologic conditions that are reasonably possible in the region.
Book Synopsis National Dam Safety Program. Dresser Number 4 Dam (MO 30474), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Kenneth B. King
Download or read book National Dam Safety Program. Dresser Number 4 Dam (MO 30474), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Kenneth B. King and published by . This book was released on 1979 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of Dresser No. 4 Dam is to impound tailings from a barite separation and beneficiation operation. The dam completely encircles the impoundment except for a 300-foot wide breach at the north (up-stream) end where the structure failed in 1975. The dam cannot retain water in its present state because of this breach in the dam. This dam is classified as large. The U.S. Corps of Engineers has classified it as having a high downstream hazard potential to indicate that failure of this dam could threaten life and property. The damage zone, estimated by the U.S. Corps of Engineers, extends about 6 miles downstream of the dam. Since the embankment cannot retain water, the overtopping potential of the embankment was not analyzed. Instead, studies were made to estimate the amount of flow that could occur in the diversion ditch (located to the west and south of the impoundment) under different flood conditions. It was calculated that the diversion ditch could pass a 100-year flood probably without significant erosion of the ditch or adjacent embankment toe. However, it was estimated that the ditch cannot pass 50 percent of the Probable Maximum Flood without significant erosion of the ditch and adjacent embankment materials.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Safety Program. Spring Lake Dam (MO 30725), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Richard G. Berggreen
Download or read book National Dam Safety Program. Spring Lake Dam (MO 30725), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Richard G. Berggreen and published by . This book was released on 1980 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dam has been classified as unsafe, non-emergency by the St Louis District as a result of the application of the following criteria: (a) Spillway will not pass 50 percent of the Probable Maximum Flood without overtopping the dam; (b) Overtopping of the dam could result in failure of the dam; and (c) Dam failure significantly increases the hazard to loss of life downstream.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1982 with total page 1468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Safety Program. Henpeck Hollow Dam (MO 31256), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Stanley F. Gizienski
Download or read book National Dam Safety Program. Henpeck Hollow Dam (MO 31256), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Stanley F. Gizienski and published by . This book was released on 1981 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The St. Louis District, Corps of Engineers (SLD), has classified this dam as having a high hazard potential; we concur with this classification. The estimated damage zone length, as determined by the SLD, extends approximately four miles downstream of the dam. Within this estimated damage zone are a dam and reservoir (MO 31255), several dwellings and miscellaneous buildings. The dam is classified as small due to its approximately 60 ac-ft storage volume. The dam is approximately 24 ft in height. The small dam classification includes dams between 25 and 40 ft in height, or having storage volumes between 50 and 1000 ac-ft. Based on the distances to the nearest occupied dwellings, over 2.5 miles, the width of the valley downstream of the dam, on the order of 400 feet or more, and the relatively small impoundment volume, 50 percent of the PMF is recommended as the spillway design flood. The inspection and evaluation indicate the dam is in a generally poor condition. Primary reasons for this judgement are: the inadequate spillway capacity, the passage of discharge from the auxiliary spillway over the downstream slope, partial blockage of the main spillway by a beaver dam, lack of maintenance and lack of periodic inspections.
Book Synopsis National Dam Safety Program. Cadet Number 1 Dam (MO 30704), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Kenneth B. King
Download or read book National Dam Safety Program. Cadet Number 1 Dam (MO 30704), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Kenneth B. King and published by . This book was released on 1979 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dam is classified as being of intermediate size. The St. Louis District Corps of Engineers has classified this dam as having high downstream hazard potential. Failure of this dam could threaten life and property. The results of the inspection indicate an absence of facilities for discharging floodwater, inadequate freeboard, and failure of the dam to meet the criteria given in the Guidelines for a structure with the size and hazard potential of Cadet No. 1 dam.
Book Synopsis National Dam Safety Program. Lower Dresser Number 4 Dam (MO 31123), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Kenneth B. King
Download or read book National Dam Safety Program. Lower Dresser Number 4 Dam (MO 31123), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Kenneth B. King and published by . This book was released on 1979 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report was prepared under the National Program of Inspection of Non-Federal Dams. This report assesses the general condition of the dam with respect to safety, based on available data and on visual inspection, to determine if the dam poses hazards to human life or property. (Author).
Book Synopsis National Dam Safety Program. Big Four Mine Dam (MO 30729), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Leonard M. Krazynski
Download or read book National Dam Safety Program. Big Four Mine Dam (MO 30729), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Leonard M. Krazynski and published by . This book was released on 1980 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Big Four Mine Dam (Mononame 562), Missouri Inventory Number 30729 was inspected. This dam is classified as intermediate due to its 71 ft height and live storage of 1980 ac-ft. The St Louis District, Corps of Engineers, has classified this dam as a high hazard dam; we concur with this classification. The potential damage zone, extends approximately 22 mi downstream. The community of Fletcher and several other occupied structures are located within the estimated damage zone. The inspection and evaluation indicate that the dam is in poor condition. Specific deficiencies that were noted are very steep downstream slope, high potential for erosion of downstream toe by spillway outflow, high erodibility of the embankment materials and lack of maintenance and periodic inspections. Also deemed as a deficiency is the lack of any stability or seepage analyses.
Book Synopsis National Dam Safety Program. Dresser Number 1 Dam (MO 31117), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Kenneth B. King
Download or read book National Dam Safety Program. Dresser Number 1 Dam (MO 31117), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Kenneth B. King and published by . This book was released on 1979 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report was prepared under the National Program of Inspection of Non-Federal Dams. This report assesses the general condition of the dam with respect to safety, based on available data and on visual inspection, to determine if the dam poses hazards to human life or property. (Author).
Book Synopsis National Dam Safety Program. New Dresser Number 4 Dam (MO 31124), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Kenneth B. King
Download or read book National Dam Safety Program. New Dresser Number 4 Dam (MO 31124), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Kenneth B. King and published by . This book was released on 1979 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report was prepared under the National Program of Inspection of Non-Federal Dams. This report assesses the general condition of the dam with respect to safety, based on available data and on visual inspection, to determine if the dam poses hazards to human life or property. (Author).
Book Synopsis National Dam Safety Program. Desoto Mining Co. Pit and Plant 'B' Dam (MO 30469), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Richard G. Berggreen
Download or read book National Dam Safety Program. Desoto Mining Co. Pit and Plant 'B' Dam (MO 30469), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Richard G. Berggreen and published by . This book was released on 1980 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dam has been classified as unsafe, emergency by the St. Louis District as a result of the application of the following criteria: This dam, which has no formal spillway, cannot retain the 10-year frequency flood without overtopping of the dam occurring. Overtopping could result in dam failure. Dam failure significantly increases the hazard to life and property downstream.
Book Synopsis National Dam Safety Program. Black Tailings Dam (MO 31154), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Kenneth B. King
Download or read book National Dam Safety Program. Black Tailings Dam (MO 31154), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Kenneth B. King and published by . This book was released on 1979 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of field inspection and evaluation of the Black Tailings Dam. This dam has been classified as unsafe, emergency by the St. Louis District as a result of the application of the following criteria: (1) This dam which has no spillway will not contain a 10-year frequency flood without overtopping occurring. The storage capacity of this dam is, therefore, considered to be unusually small and seriously inadequate; (2) Overtopping could result in dam failure; and (3) Dam failure would significantly increase the hazard to life and property downstream.
Book Synopsis National Dam Safety Program. Whaley-Scott Mine Dam (MO 31155), Mississippi - Kaskaskia - St. Louis Basin, Washington, County, Missouri. Phase I Inspection Report by : Richard C. Berggreen
Download or read book National Dam Safety Program. Whaley-Scott Mine Dam (MO 31155), Mississippi - Kaskaskia - St. Louis Basin, Washington, County, Missouri. Phase I Inspection Report written by Richard C. Berggreen and published by . This book was released on 1980 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is located approximately 10 miles north of the town of Potosi, Washington County, Missouri, just east of Highway 21, on an unnamed tributary of Old Mines Creek. The dam was constructed to impound fine barite tailings produced by washing of barite ore mined in the area. Water containing the tailings was discharged into the reservoir where the tailings settled out. Clear water was then recycled to the processing plant. At present, the dam is abandoned. At the maximum section the dam is constructed in two tiers. The lower tier is very steep, on the order of 34 to 36 degrees. This tier is constructed of material ranging in size from clay and sand to cobbles and boulders up to 2 ft in diameter. The toe of the slope is locally undercut by erosion in the discharge channel. Parts of the toe of the slope have a steepened slope inclination and some evidence of local small slides was noted during the field inspection. The upper tier is constructed of chat, gravel-sized tailings. The slopes average about 30 degrees but are locally as steep as 35 degrees. This upper tier continues around the sides of the impoundment from the maximum section. Where this embankment is adjacent to the discharge channel on the southwest side of the impoundment, erosion has locally oversteepened the slope. From discussions with an employee of the previous owner of the dam, it was discovered that a breach occurred in this portion of the embankment in 1973. A discussion of this breach is presented in Section 6.1c.
Book Synopsis National Dam Safety Program. Arnault Branch Mine Dam (MO 30716), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Richard G. Berggreen
Download or read book National Dam Safety Program. Arnault Branch Mine Dam (MO 30716), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Richard G. Berggreen and published by . This book was released on 1980 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dam has been classified as unsafe, emergency by the St Louis District as a result of the application of the following criteria: Spillway will not pass 10-year frequency flood without overtopping of the dam. The spillway is, therefore, considered to be unusually small and seriously inadequate. Overtopping could result in dam failure. Dam failure significantly increases the hazard to life and property downstream.
Book Synopsis National Dam Safety Program. Something Green A Dam (MO 30720), Something Green B Dam (MO 30719), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Richard G. Berggreen
Download or read book National Dam Safety Program. Something Green A Dam (MO 30720), Something Green B Dam (MO 30719), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Richard G. Berggreen and published by . This book was released on 1980 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report was prepared under the National Program of Inspection of Non-Federal Dams. This report assesses the general condition of the dam with respect to safety, based on available data and on visual inspection, to determine if the dam poses hazards to human life or property. (Author).
Book Synopsis National Dam Safety Program. The Place Dam (MO 30996), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report by : Stanley F. Gizienski
Download or read book National Dam Safety Program. The Place Dam (MO 30996), Mississippi - Kaskaskia - St. Louis Basin, Washington County, Missouri. Phase I Inspection Report written by Stanley F. Gizienski and published by . This book was released on 1980 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Place Dam, Missouri Inventory No. 30996, was inspected. Based on these guidelines, the St Louis District, Corps of Engineers (SLD), has determined that this dam has a high hazard potential; we concur with this classification. The damage zone length, as determined by the St Louis District, Corps of Engineers, extends approximately two miles downstream. Within the damage zone are several occupied dwellings. The dam is classified as small due to its 180 ac-ft storage volume. The dam height is approximately 16 ft. The small dam classification includes dams having a storage volume between 50 and 1000 ac-ft, or a height between 25 and 40 ft. Our inspection and evaluation indicate the dam is in generally poor condition. The major deficiencies noted were inadequate spillway capacity, the heavy growth of trees and bushes on the dam, the presence of animal burrows and lack of maintenance and periodic inspections. Seepage and stability analyses comparable to the requirements of the 'Recommended Guidelines for Safety Inspection of Dams' were not available, which is considered a deficiency.
