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Book Synopsis Pearl River Basin, Robin Hood Lake No. 4, Rankin County, Mississippi Phase 1 Inspection Report, National Dam Safety Program by : United States. Army. Corps of Engineers. Vicksburg District
Download or read book Pearl River Basin, Robin Hood Lake No. 4, Rankin County, Mississippi Phase 1 Inspection Report, National Dam Safety Program written by United States. Army. Corps of Engineers. Vicksburg District and published by . This book was released on 1978 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pearl River Basin, Robin Hood Lake No. 5 (Sherwood Forest), Rankin County, Mississippi Phase 1 Inspection Report, National Dam Safety Program by : United States. Army. Corps of Engineers. Vicksburg District
Download or read book Pearl River Basin, Robin Hood Lake No. 5 (Sherwood Forest), Rankin County, Mississippi Phase 1 Inspection Report, National Dam Safety Program written by United States. Army. Corps of Engineers. Vicksburg District and published by . This book was released on 1977 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Spring Lake Dam is an earthfill structure approximately 21 feet high and 400 feet long at the crest. The appurtenant works consist of a drop-inlet pipe principal spillway and a trapezoidal channel cut into natural ground at the left abutment which acts as an emergency spillway. Our inspection and evaluation indicates that the spillway has not met the criteria set forth in the guidelines for a small size dam in the high hazard potential category. This structure has the capability to hold and pass approximately 40 percent of the Probable Maximum Flood (PMF) before overtopping. The dam appeared to be in fair condition. Deficiencies visually observed by the inspection team were: (1) a row of trees (approximately 8) along the upstream face of the dam; (2) a significant potential for restriction to flow into the principal spillway intake; (3) some minor erosion on the downstream face of the dam; (4) the emergency spillway channel is partially obstructed by six steel drums and a fence; and (5) minor seepage into the principal spillway conduit from within the embankment.
Book Synopsis National Dam Safety Program. Spring Lake Dam (MO 31180), Mississippi - Kaskaskia - St. Louis River Basin, Cape Girardeau County, Missouri. Phase I Inspection Report by : Nathan Wilcoxon
Download or read book National Dam Safety Program. Spring Lake Dam (MO 31180), Mississippi - Kaskaskia - St. Louis River Basin, Cape Girardeau County, Missouri. Phase I Inspection Report written by Nathan Wilcoxon and published by . This book was released on 1981 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spring Lake Dam is an earthfill structure approximately 21 feet high and 400 feet long at the crest. The appurtenant works consist of a drop-inlet pipe principal spillway and a trapezoidal channel cut into natural ground at the left abutment which acts as an emergency spillway. Our inspection and evaluation indicates that the spillway has not met the criteria set forth in the guidelines for a small size dam in the high hazard potential category. This structure has the capability to hold and pass approximately 40 percent of the Probable Maximum Flood (PMF) before overtopping. The dam appeared to be in fair condition. Deficiencies visually observed by the inspection team were: (1) a row of trees (approximately 8) along the upstream face of the dam; (2) a significant potential for restriction to flow into the principal spillway intake; (3) some minor erosion on the downstream face of the dam; (4) the emergency spillway channel is partially obstructed by six steel drums and a fence; and (5) minor seepage into the principal spillway conduit from within the embankment.
Lake Torino Dam is an earthfill structure approximately 38.5 ft high and 570 ft long at the crest. The appurtenant works consist of a 10-in. diameter steel pipe primary spillway located near the center of the dam and a grass-covered earth emergency spillway located at the north end of the dam. Our inspection and evaluation indicates that the combined spillways do meet the criteria set forth in the guidelines for a dam having the above size and hazard potential. The combined spillways will pass 57 percent of the Probable Maximum Flood without overtopping. Deficiencies visually observed by the inspection team were: (1) erosion at the contacts of the dam with the north and south abutments; (2) tree and brush growth along upstream and downstream faces of dam; (3) animal burrows along upstream and downstream faces; (4) a few small sloughs on upstream face; (5) seepage areas on downstream face and wet areas at toe of dam; (6) debris and brush around intake to primary spillway; (7) outlet channel of primary spillway overgrown with trees and brush; and (8) swale at south end of dam.
Book Synopsis National Dam Safety Program. Lake Torino Dam (MO 30552), Mississippi - Kaskaskia - St. Louis Basin, Franklin County, Missouri. Phase I Inspection Report by : Steve Brady
Download or read book National Dam Safety Program. Lake Torino Dam (MO 30552), Mississippi - Kaskaskia - St. Louis Basin, Franklin County, Missouri. Phase I Inspection Report written by Steve Brady and published by . This book was released on 1979 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Torino Dam is an earthfill structure approximately 38.5 ft high and 570 ft long at the crest. The appurtenant works consist of a 10-in. diameter steel pipe primary spillway located near the center of the dam and a grass-covered earth emergency spillway located at the north end of the dam. Our inspection and evaluation indicates that the combined spillways do meet the criteria set forth in the guidelines for a dam having the above size and hazard potential. The combined spillways will pass 57 percent of the Probable Maximum Flood without overtopping. Deficiencies visually observed by the inspection team were: (1) erosion at the contacts of the dam with the north and south abutments; (2) tree and brush growth along upstream and downstream faces of dam; (3) animal burrows along upstream and downstream faces; (4) a few small sloughs on upstream face; (5) seepage areas on downstream face and wet areas at toe of dam; (6) debris and brush around intake to primary spillway; (7) outlet channel of primary spillway overgrown with trees and brush; and (8) swale at south end of dam.
Our inspection and evaluation indicates that the combined spillways do not meet the criteria set forth in the guidelines for a dam having the above size and hazard potential. The combined spillways will pass 30 percent of the Probable Maximum Flood without overtopping. The Probable Maximum Flood is defined as the flood discharge that may be expected from the most severe combination of critical meteorologic and hydrologic conditions that are reasonably possible in the region. The guidelines require that a dam of small size with a high downstream hazard potential pass 50 to 100 percent of the PMF. Considering the low height of the dam and the small storage capacity, 50 percent of the PMF has been determined to be the appropriate spillway design flood. The 1 percent probability flood will not overtop the dam. The 1 percent probability flood is one that has a 1 percent chance of being exceeded in any given year. Deficiencies visually observed by the inspection team were: scattered trees and brush on both the upstream and downstream face; lack of wave protection for the upstream embankment face; minor erosion at the left downstream dam-abutment contact; minor slough above the outlet of the drawdown pipe; and possible seepage area beyond the downstream toe on the left side of the valley. Another deficiency was the lack of seepage and stability analysis records.
Book Synopsis National Dam Safety Program. Stubblefield Lake Dam (MO 30363), Mississippi - Kaskaskia - St. Louis River Basin, Crawford County, Missouri. Phase I Inspection Report by : ANDERSON ENGINEERING INC SPRINGFIELD MO.
Download or read book National Dam Safety Program. Stubblefield Lake Dam (MO 30363), Mississippi - Kaskaskia - St. Louis River Basin, Crawford County, Missouri. Phase I Inspection Report written by ANDERSON ENGINEERING INC SPRINGFIELD MO. and published by . This book was released on 1980 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our inspection and evaluation indicates that the combined spillways do not meet the criteria set forth in the guidelines for a dam having the above size and hazard potential. The combined spillways will pass 30 percent of the Probable Maximum Flood without overtopping. The Probable Maximum Flood is defined as the flood discharge that may be expected from the most severe combination of critical meteorologic and hydrologic conditions that are reasonably possible in the region. The guidelines require that a dam of small size with a high downstream hazard potential pass 50 to 100 percent of the PMF. Considering the low height of the dam and the small storage capacity, 50 percent of the PMF has been determined to be the appropriate spillway design flood. The 1 percent probability flood will not overtop the dam. The 1 percent probability flood is one that has a 1 percent chance of being exceeded in any given year. Deficiencies visually observed by the inspection team were: scattered trees and brush on both the upstream and downstream face; lack of wave protection for the upstream embankment face; minor erosion at the left downstream dam-abutment contact; minor slough above the outlet of the drawdown pipe; and possible seepage area beyond the downstream toe on the left side of the valley. Another deficiency was the lack of seepage and stability analysis records.
Newman Lake Dam is classified as a small earth dam, based on its height of approximately 25 ft and storage capacity of 140 ac-ft. The small dam classification criteria are: height between 25 and 40 ft, or storage capacity between 50 and 1000 ac-ft. The St. Louis District (SLD), Corps of Engineers, has classified this dam as having a high hazard potential. The SLD estimated damage zone length extends approximately 4 mi downstream. Within this estimated damage zone are several dwellings, a church, an electric transmission line, and a buried petroleum pipeline. The contents of the damage zone were verified by aerial reconnaissance. Based on the findings of the visual inspection and analysis of other data, the dam appears to be in generally fair condition. No evidence was noted of disruption of the vertical or horizontal alignment of the dam crest, sinkhole development, cracking, slumping or animal burrows. The downstream slope is considered to be quite steep, on the order of 1.5(H) to 1(V) at the maximum section. Some wave erosion has occurred along the upstream slope. Trees growing on the downstream slope, some of which have been cut down, are considered a deficiency. Seepage and stability analyses for this dam comparable to the 'Recommended Guidelines for Safety Inspection of Dams' are not on record, which is also considered a deficiency.
Book Synopsis National Dam Safety Program. Newman Lake Dam (MO 30488), Mississippi - Kaskaskia - St. Louis Basin, Madison County, Missouri. Phase I Inspection Report by : Richard G. Berggreen
Download or read book National Dam Safety Program. Newman Lake Dam (MO 30488), Mississippi - Kaskaskia - St. Louis Basin, Madison County, Missouri. Phase I Inspection Report written by Richard G. Berggreen and published by . This book was released on 1981 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Newman Lake Dam is classified as a small earth dam, based on its height of approximately 25 ft and storage capacity of 140 ac-ft. The small dam classification criteria are: height between 25 and 40 ft, or storage capacity between 50 and 1000 ac-ft. The St. Louis District (SLD), Corps of Engineers, has classified this dam as having a high hazard potential. The SLD estimated damage zone length extends approximately 4 mi downstream. Within this estimated damage zone are several dwellings, a church, an electric transmission line, and a buried petroleum pipeline. The contents of the damage zone were verified by aerial reconnaissance. Based on the findings of the visual inspection and analysis of other data, the dam appears to be in generally fair condition. No evidence was noted of disruption of the vertical or horizontal alignment of the dam crest, sinkhole development, cracking, slumping or animal burrows. The downstream slope is considered to be quite steep, on the order of 1.5(H) to 1(V) at the maximum section. Some wave erosion has occurred along the upstream slope. Trees growing on the downstream slope, some of which have been cut down, are considered a deficiency. Seepage and stability analyses for this dam comparable to the 'Recommended Guidelines for Safety Inspection of Dams' are not on record, which is also considered a deficiency.
Hilltop Fishing Lake is an earthfill structure approximately 24.9 feet high and 1,500 feet long at the crest. The embankment has a horseshoe shape and forms three sides of the lake. The dam has no spillway or drawdown facility. Our inspection and hydrologic and hydraulic analyses indicate that the capacity of the dam meets the criteria set forth in the guidelines for a dam having the above size and hazard potential. The dam will hold and pass approximately 65 percent of the Probable Maximum Flood (PMF) without overtopping. The dam appeared to be in poor condition. Several deficiencies were noted during the inspection. The face of the embankment had varying slopes with some of them being rather steep. There are serious erosion problems on most of the dam, including shoreline erosion due to wave action. There are also numerous animal holes in the embankment. There is a poor vegetal cover on most of the dam. Another deficiency is the lack of seepage and stability analyses records.
Book Synopsis National Dam Safety Program. Hilltop Fishing Lake Dam (MO 40064), Mississippi - St. Francis River Basin, Dunklin County, Missouri. Phase I Inspection Report by : Nathan Wilcoxon
Download or read book National Dam Safety Program. Hilltop Fishing Lake Dam (MO 40064), Mississippi - St. Francis River Basin, Dunklin County, Missouri. Phase I Inspection Report written by Nathan Wilcoxon and published by . This book was released on 1981 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hilltop Fishing Lake is an earthfill structure approximately 24.9 feet high and 1,500 feet long at the crest. The embankment has a horseshoe shape and forms three sides of the lake. The dam has no spillway or drawdown facility. Our inspection and hydrologic and hydraulic analyses indicate that the capacity of the dam meets the criteria set forth in the guidelines for a dam having the above size and hazard potential. The dam will hold and pass approximately 65 percent of the Probable Maximum Flood (PMF) without overtopping. The dam appeared to be in poor condition. Several deficiencies were noted during the inspection. The face of the embankment had varying slopes with some of them being rather steep. There are serious erosion problems on most of the dam, including shoreline erosion due to wave action. There are also numerous animal holes in the embankment. There is a poor vegetal cover on most of the dam. Another deficiency is the lack of seepage and stability analyses records.
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. Evaluation of the spillways' size indicates that they do not meet the criteria in the guidelines. The spillways of dams No. 2 and 3 are of inadequate size to pass the one percent chance flood (100-year flood) without overtopping. The spillway of dam No. 1 is just adequate to pass the one percent chance flood; but if either dam No. 2 or No. 3 failed due to overtopping, dam No. 1 would overtop also. The inspection team observed trees and bushes growing in the three dams inspected, particularly dam No. 3. These root systems are a potential seepage hazard. Localized areas of the embankment slopes are exceptionally steep. Steady seepage conditions exist through dam No. 1 and a localized seepage area was found downstream of dam No. 2. The pool of the dam No. 2 was on the downstream slope of dam No. 3 and seepage could not be evaluated. The three spillways do not appear sufficiently resistant to prevent embankment erosion at high flows for an indefinite time. Stilling basins are needed below each spillway. Seepage and stability analyses are not on record as recommended in the guidelines.
Book Synopsis National Dam Safety Program. Chain of Lakes Dams (MO 30347, MO 30348, MO 31032), Lower Mississippi - St. Francis Basin, Wayne County, Missouri. Phase I Inspection Report by : ARMY ENGINEER DISTRICT ST LOUIS MO.
Download or read book National Dam Safety Program. Chain of Lakes Dams (MO 30347, MO 30348, MO 31032), Lower Mississippi - St. Francis Basin, Wayne County, Missouri. Phase I Inspection Report written by ARMY ENGINEER DISTRICT ST LOUIS MO. and published by . This book was released on 1978 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. Evaluation of the spillways' size indicates that they do not meet the criteria in the guidelines. The spillways of dams No. 2 and 3 are of inadequate size to pass the one percent chance flood (100-year flood) without overtopping. The spillway of dam No. 1 is just adequate to pass the one percent chance flood; but if either dam No. 2 or No. 3 failed due to overtopping, dam No. 1 would overtop also. The inspection team observed trees and bushes growing in the three dams inspected, particularly dam No. 3. These root systems are a potential seepage hazard. Localized areas of the embankment slopes are exceptionally steep. Steady seepage conditions exist through dam No. 1 and a localized seepage area was found downstream of dam No. 2. The pool of the dam No. 2 was on the downstream slope of dam No. 3 and seepage could not be evaluated. The three spillways do not appear sufficiently resistant to prevent embankment erosion at high flows for an indefinite time. Stilling basins are needed below each spillway. Seepage and stability analyses are not on record as recommended in the guidelines.
The dam is located in the northwest part of Perry County, Missouri on a tributary of Blue Spring Branch. The dam was constructued primarily for recreation. The dam appears to be in good condition. The upstream face is grass covered and without wave protection. There are a few small animal holes, but no significant erosion. The crest of the dam is clear and mowed. It appeared uniform both vertically and horizontally, and no cracking or unusual movement was observed. The downstream face is grass covered and clear of trees and brush. No sloughing or seepage was noted. An erosion gully was noted at the left downstream dam-abutment contact near the outlet of the principal spillway pipe. Some mirror erosion was also noted at the right downstream dam-abutment contact.
Book Synopsis National Dam Safety Program. Lakenan Lake Dam (MO 31066), Mississippi - Kaskaskia - St. Louis River Basin, Perry County, Missouri. Phase I Inspection Report by : Steve Brady
Download or read book National Dam Safety Program. Lakenan Lake Dam (MO 31066), Mississippi - Kaskaskia - St. Louis River Basin, Perry County, Missouri. Phase I Inspection Report written by Steve Brady and published by . This book was released on 1981 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is located in the northwest part of Perry County, Missouri on a tributary of Blue Spring Branch. The dam was constructued primarily for recreation. The dam appears to be in good condition. The upstream face is grass covered and without wave protection. There are a few small animal holes, but no significant erosion. The crest of the dam is clear and mowed. It appeared uniform both vertically and horizontally, and no cracking or unusual movement was observed. The downstream face is grass covered and clear of trees and brush. No sloughing or seepage was noted. An erosion gully was noted at the left downstream dam-abutment contact near the outlet of the principal spillway pipe. Some mirror erosion was also noted at the right downstream dam-abutment contact.
Lakeview Estates Dam is located near the head of a small intermittent stream that flows northeasterly then easterly for about three quarters of a mile before entering Big Creek. The purpose of the dam is to impound water for recreational use as a private lake. The lake is utilized by the inhabitants of the adjacent Lakeview Estates Development. The following items were observed which could affect the safety of the dam, or which will require maintenance within a reasonable period of time: Rodent activity in the embankment of the dam; The 1/4 inch wide crack observed on the crest of the dam; and Poor concrete work on the service spillway channel and pad downstream of the spillway pipe.
Book Synopsis National Dam Safety Program. Lakeview Estates Dam (MO 11004), Mississippi - Kaskaskia - St. Louis Basin, Warren County, Missouri. Phase I Inspection Report by : Walter G. Shifrin
Download or read book National Dam Safety Program. Lakeview Estates Dam (MO 11004), Mississippi - Kaskaskia - St. Louis Basin, Warren County, Missouri. Phase I Inspection Report written by Walter G. Shifrin and published by . This book was released on 1979 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lakeview Estates Dam is located near the head of a small intermittent stream that flows northeasterly then easterly for about three quarters of a mile before entering Big Creek. The purpose of the dam is to impound water for recreational use as a private lake. The lake is utilized by the inhabitants of the adjacent Lakeview Estates Development. The following items were observed which could affect the safety of the dam, or which will require maintenance within a reasonable period of time: Rodent activity in the embankment of the dam; The 1/4 inch wide crack observed on the crest of the dam; and Poor concrete work on the service spillway channel and pad downstream of the spillway pipe.
