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National Dam Safety Program Leatherwood Creek Number 4 Dam Inventory Number Va 08906 Roanoke River Basin Henry County Virginia Phase I Inspection Report
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Book Synopsis National Dam Safety Program. Leatherwood Creek Number 4 Dam (Inventory Number VA 08906), Roanoke River Basin, Henry County, Virginia. Phase I Inspection Report by : Ray E. Martin
Download or read book National Dam Safety Program. Leatherwood Creek Number 4 Dam (Inventory Number VA 08906), Roanoke River Basin, Henry County, Virginia. Phase I Inspection Report written by Ray E. Martin and published by . This book was released on 1981 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of a Phase I Inspection is to identify expeditiously those dams which may pose hazards to human life or property. The assessment of the general conditions of the dam is based upon available data and visual inspection. Detailed investigation and analyses involving topographic mapping, subsurface investigations, testing, and detailed computational evaluations are beyond the scope of a Phase I investigation; however, the investigation is intended to identify any need for such studies. Based upon the field conditions at the time of the field inspection and all available engineering data, the Phase I report addresses the hydraulic, hydrologic, geologic, geotechnic, and structural aspects of the dam. The engineering techniques employed give a reasonably accurate assessment of the conditions of the dam. It should be realized that certain engineering aspects cannot be fully analyzed during a Phase I inspection. Assessment and remedial measures in the report include the requirements of additional indepth study when necessary. Phase I reports include project information of the dam appurtenances, all existing engineering data, operational procedures, hydraulic/hydrologic data of the watershed, dam stability, visual inspection report and an assessment including required remedial measures.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Safety Program. Leatherwood Creek Number 6 Dam (Inventory Number VA 08907), Roanoke River Basin, Henry County, Virginia. Phase I Inspection Report by : Ray E. Martin
Download or read book National Dam Safety Program. Leatherwood Creek Number 6 Dam (Inventory Number VA 08907), Roanoke River Basin, Henry County, Virginia. Phase I Inspection Report written by Ray E. Martin and published by . This book was released on 1981 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of a Phase I Inspection is to identify expeditiously those dams which may pose hazards to human life or property. The assessment of the general conditions of the dam is based upon available data and visual inspection. Detailed investigation and analyses involving topographic mapping, subsurface investigations, testing, and detailed computational evaluations are beyond the scope of a Phase I investigation; however, the investigation is intended to identify any need for such studies. Based upon the field conditions at the time of the field inspection and all available engineering data, the Phase I report addresses the hydraulic, hydrologic, geologic, geotechnic, and structural aspects of the dam. The engineering techniques employed give a reasonably accurate assessment of the conditions of the dam. It should be realized that certain engineering aspects cannot be fully analyzed during a Phase I inspection. Assessment and remedial measures in the report include the requirements of additional in depth study when necessary. Phase I reports include project information of the dam appurtenances, all existing engineering data, operational procedures, hydraulic/hydrologic data of the watershed, dam stability, visual inspection report and an assessment including required remedial measures.
Book Synopsis National Dam Safety Program. Leatherwood Creek Number 3 Dam (Inventory Number VA 08904), Roanoke River Basin, Henry County, Virginia. Phase I Inspection Report by : Ray E. Martin
Download or read book National Dam Safety Program. Leatherwood Creek Number 3 Dam (Inventory Number VA 08904), Roanoke River Basin, Henry County, Virginia. Phase I Inspection Report written by Ray E. Martin and published by . This book was released on 1981 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of a Phase I Inspection is to identify expeditiously those dams which may pose hazards to human life or property. The assessment of the general conditions of the dam is based upon available data and visual inspection. Detailed investigation and analyses involving topographic mapping, subsurface investigations, testing, and detailed computational evaluations are beyond the scope of a Phase I investigation; however, the investigation is intended to identify any need for such studies. Based upon the field conditions at the time of the field inspection and all available engineering data, the Phase I report addresses the hydraulic, hydrologic, geologic, geotechnic, and structural aspects of the dam. The engineering techniques employed give a reasonably accurate assessment of the conditions of the dam. It should be realized that certain engineering aspects cannot be fully analyzed during a Phase I inspection. Assessment and remedial measures in the report include the requirements of additional indepth study when necessary. Phase I reports include project information of the dam appurtenances, all existing engineering data, operational procedures, hydraulic/hydrologic data of the watershed, dam stability, visual inspection report and an assessment including required remedial measures.
Book Synopsis National Dam Safety Program. Leatherwood Creek Number 2A (Inventory Number VA 08905), Roanoke River Basin, Henry County, Virginia. Phase I Inspection Report by : Ray E. Martin
Download or read book National Dam Safety Program. Leatherwood Creek Number 2A (Inventory Number VA 08905), Roanoke River Basin, Henry County, Virginia. Phase I Inspection Report written by Ray E. Martin and published by . This book was released on 1981 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on criteria established by the Department of the Army, Office of the Chief of Engineers (OCE), the appropriate Spillway Design Flood (SDF) is the 1/2 PMF. The spillways will pass 30 percent of the Probable Maximum Flood (PMF) or 60 percent of the SDF without overtopping the dam. During the SDF, the dam will be overtopped for four hours up to a maximum of 3 feet and reach a maximum velocity of 7.4 fps. A dam breach during the SDF would significantly increase the hazard to loss of life downstream of the dam over that which would exist just before overtopping failure. The spillway is judged seriously inadequate. Overtopping is considered detrimental to the embankment with respect to erosion. Due to the inadequacy of the spillway and the resulting overtopping of the dam during the SDF, the potential for a breach of the dam exists. Based upon the possibility of a dam breach caused by overtopping during the SDF, the dam is assessed 'unsafe', non-emergency.'
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1982 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Government Reports Annual Index: Keyword A-L by :
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1982 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Safety Program. Lanier Dam (VA-089100. Roanoke River Basin. Henry County, Virginia. Phase I Inspection Report by : Boris O. Taran
Download or read book National Dam Safety Program. Lanier Dam (VA-089100. Roanoke River Basin. Henry County, Virginia. Phase I Inspection Report written by Boris O. Taran and published by . This book was released on 1980 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of a Phase I investigation is to identify expeditiously those dams which may pose hazards to human life and property. The assessment of the general conditions of the dam is based upon available data and visual inspections. Detailed investigation and analyses involving topographic mapping, subsurface investigations, testing, and detailed computational evaluations are beyond the scope of a Phase I investigation; however, the investigation is intended to identify any need for such studies. Based upon the field conditions at the time of the field inspection and all available engineering data, the Phase I report addresses the hydraulic, hydrologic, geologic, geotechnic, and structural aspects of the dam. The engineering techniques employed give a reasonably accurate assessment of the conditions of the dam. It should be realized that certain engineering aspects cannot be fully analyzed during a Phase I inspection. Phase I reports include project information of the dam and appurtenances, all existing engineering data, operational procedures, hydraulic/hydrologic data of the watershed, dam stability, visual inspection report and an assessment including required remedial measures.
Book Synopsis National Dam Safety Program. Roanoke Number 72A Inventory Number VA-03702. Roanoke River Basin, Charlotte County, State of Virginia. Phase I Inspection Report by : Roland B. Phillips
Download or read book National Dam Safety Program. Roanoke Number 72A Inventory Number VA-03702. Roanoke River Basin, Charlotte County, State of Virginia. Phase I Inspection Report written by Roland B. Phillips and published by . This book was released on 1979 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: Roanoke Creek No. 72A is a zoned, earthfill dam approximately 650 feet long and 46 feet high. The dam, located on Twittys Creek approximately 2 miles east of the Town of Drakes Branch, Virginia, is used for flood control. Roanoke No. 72A dam is an 'intermediate' 'size-high' hazard structure as defined by the Recommended Guidelines for Safety Inspection of Dams. Visual inspection and office analyses indicate no deficiencies requiring emergency attention.
Book Synopsis National Dam Safety Program. Moore Dam, (Inventory Number VA 14323), Roanoke River Basin, Pittsylvania County, Virginia. Phase I Inspection Report by : Boris O. Taran
Download or read book National Dam Safety Program. Moore Dam, (Inventory Number VA 14323), Roanoke River Basin, Pittsylvania County, Virginia. Phase I Inspection Report written by Boris O. Taran and published by . This book was released on 1981 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Moore Dam is an earthfill stucture about 400 feet long and 22.7 feet high with a private roadway traversing the dam. The dam is classified as small size with a significant hazard classification. The principal spillway is a 24-inch corrugated metal pipe drop-inlet that connects to a 15-inch corrugated metal pipe which passes through the dam at low level. The emergency spillway is an open channel cut at the left abutment. The reservoir is used for recreation and irrigation by the owner. Based on criteria established by the Department of the Army, Office of the Chief of Engineers (OCE), the Spillway Design Flood (SDF) is the 100 year flood. The spillways will pass 24 percent of the PMF or 100 percent of the SDF without overtopping the crest of the dam. The spillway is adjudged as adquate.
Book Synopsis National Dam Safety Program. Powell Dam, (Inventory Number VA 08336), Roanoke River Basin, City of South Boston, Virginia. Phase I Inspection Report by : ARMY ENGINEER DISTRICT NORFOLK VA.
Download or read book National Dam Safety Program. Powell Dam, (Inventory Number VA 08336), Roanoke River Basin, City of South Boston, Virginia. Phase I Inspection Report written by ARMY ENGINEER DISTRICT NORFOLK VA. and published by . This book was released on 1980 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Powell dam is an earthen embankment about 400 feet long and 25.3 feet high. The dam is owned and maintained by Mr. Fred Powell. The dam is classified as a small dam with a high hazard classification (on the basis of location). The spillway is an earthen channel located at the left abutment. The reservoir is used to irrigate surrounding cropland. Based on criteria established by the Department of the Army, Office of the Chief of Engineers (OCE), the Spillway Design Flood (SDF) is the 1/2 PMF. The emergency spillway will pass 37 percent of the PMF and 80 percent of the SDF without overtopping the lowest point on the dam crest. The SDF will overtop the lowest point on the dam crest by 0.2 feet with an average critical velocity of 2.1 feet per second and flow over the dam for 0.5 hours. Therefore, the spillway is adjudged as inadequate but not seriously inadequate. The visual inspection revealed no apparent problems or remedial measures in need of immediate attention. There is no formal regular maintenance operation program or warning system, and it is recommended that a formal maintenance program and warning system be established. The maintenance items listed should be accomplished as a part of the regular maintenance program within the next 12 months.
Book Synopsis National Dam Safety Program. Timber Lake Dam. (Inventory Number VA 03102), Roanoke River Basin, Campbell County, Virginia. Phase I Inspection Report by : Ray E. Martin
Download or read book National Dam Safety Program. Timber Lake Dam. (Inventory Number VA 03102), Roanoke River Basin, Campbell County, Virginia. Phase I Inspection Report written by Ray E. Martin and published by . This book was released on 1980 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pursuant to Public Law 92-367, Phase I Inspection Reports are prepared under guidance contained in the Recommended Guidelines for Safety Inspection of Dams, published by the Office of Chief of Engineers, Washington, D.C. 20314. The purpose of a Phase I investigation is to identify expeditiously those dams which may pose hazards to human life or property. The assessment of the general conditions of the dam is based upon available data and visual inspections. Detailed investigation and analyses involving topographic mapping, subsurface investigations, testing, and detailed computational evaluations are beyond the scope of a Phase I investigation; however, the investigation is intended to identify any need for such studies. Based upon the field conditions at the time of the field inspection and all available engineering data, the Phase I report addresses the hydraulic, hydrologic, geologic, geotechnic, and structural aspects of the dam. The engineering techniques employed give a reasonably accurate assessment of the conditions of the dam. It should be realized that certain engineering aspects cannot be fully analyzed during a Phase I inspection. Assessment and remedial measures in the report include the requirements of additional indepth study when necessary. Phase I reports include project information of the dam and appurtenances, all existing engineering data, operational procedures, hydraulic/hydrologic data of the watershed, dam stability, visual inspection report and an assessment including required remedial measures. (Author).
Book Synopsis National Dam Safety Program. Cockram Mill Dam (Inventory Number VA 14105), Roanoke River Basin, Patrick County, Virginia. Phase I Inspection Report by : Boris O. Taran
Download or read book National Dam Safety Program. Cockram Mill Dam (Inventory Number VA 14105), Roanoke River Basin, Patrick County, Virginia. Phase I Inspection Report written by Boris O. Taran and published by . This book was released on 1980 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is classified as a small size dam with a significant hazard classification. The spillway consists concrete rectangular notch 1.4 feet deep and 85 feet long across the center portion of the dam. The reservoir is used for recreation and limited grist mill operation. Based on criteria established by the Department of the Army, Office of the Chief of Engineers (OCE), the Spillway Design Flood (SDF) is the 100 Year Flood. The spillway will pass 3 percent of the PMF or about 10 percent of the SDF without overtopping the dam. The SDF will overtop the dam by a maximum 2.86 feet, reach an average critical velocity of 8.0 feet per second (fps) and flow over the dam for 7 hours. The spillway is adjudged inadequate but not seriously inadequate.
Book Synopsis National Dam Safety Program. Falling Creek Dam (Inventory Number 01910), Roanoke River Basin, Falling Creek, Bedford County, Virginia. Phase I Inspection Report by : ARMY ENGINEERING DISTRICT NORFOLK VA.
Download or read book National Dam Safety Program. Falling Creek Dam (Inventory Number 01910), Roanoke River Basin, Falling Creek, Bedford County, Virginia. Phase I Inspection Report written by ARMY ENGINEERING DISTRICT NORFOLK VA. and published by . This book was released on 1979 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pursuant to Public Law 92-367, Phase I Inspection Reports are prepared under guidance contained in the recommended guidelines for safety inspection of dams, published by the Office of Chief of Engineers, Washington, D.C. 20314. The purpose of a Phase I investigation is to identify expeditiously those dams which may pose hazards to human life or property. The assessment of the general conditions of the dam is based upon available data and visual inspections. Detailed investigation and analyses involving topographic mapping, subsurface investigations, testing, and detailed computational evaluatons are beyond the scope of a Phase I investigation; however, the investigation is intended to identify any need for such studies. Based upon the field conditions at the time of the field inspection and all available engineering data, the Phase I report addresses the hydraulic, hydrologic, geologic, geotechnic, and structural aspects of the dam. The engineering techniques employed give a reasonably accurate assessment of the conditions of the dam. It should be realized that certain engineering aspects cannot be fully analyzed during a Phase I inspection. Assessment and remedial measures in the report include the requirements of additional indepth study when necessary.
Book Synopsis National Dam Safety Program. Loch Haven Lake Dam (Inventory Number VA 16102), Roanoke River Basin, Roanoke County, Virginia. Phase I Inspection Report by : Boris O. Taran
Download or read book National Dam Safety Program. Loch Haven Lake Dam (Inventory Number VA 16102), Roanoke River Basin, Roanoke County, Virginia. Phase I Inspection Report written by Boris O. Taran and published by . This book was released on 1981 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Loch Haven Dam is a concrete structure about 79.5 feet long and 25 feet high. The dam is classified as a small dam with a significant hazard classification. The principal spillway is a 5-inch cast iron pipe that passes through the dam. The secondary spillway is a rectangular cut near the center of the dam. An 8-inch PVC siphon pipe is available for lowering the water level in the reservoir below the principal spillway intake. The reservoir provides recreation for various community civic organizations, local businesses, members of the Loch Haven Country Club, and six families living on the property. Based on criteria established by the Department of the Army, Office of the Chief of Engineers (OCE), the Spillway Design Flood (SDF) is the 100 Year Flood. The secondary spillway will pass 4 percent of the PMF or 17 percent of the SDF without overtopping the crest of the dam. The SDF will overtop the dam by a maximum 3.66 feet, reach an average critical velocity of 9.1 feet per second and flow over the dam for 6.75 hours. The overtopping velocities are not considered detrimental to the dam. The secondary spillway is adjudged inadequate but not seriously inadequate.
Book Synopsis National Dam Safety Program. Spring Valley Lake Dam (Inventory Number VA 77002), Roanoke River Basin, City of Roanoke, Virginia. Phase I Inspection Report by : James A. Walsh
Download or read book National Dam Safety Program. Spring Valley Lake Dam (Inventory Number VA 77002), Roanoke River Basin, City of Roanoke, Virginia. Phase I Inspection Report written by James A. Walsh and published by . This book was released on 1980 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Spring Valley Lake Dam is an earthfill structure about 450 feet long and 23.9 feet high with a private paved roadway traversing the entire dam. The dam is owned and maintained by Spring Valley Lake Homeowners Association. The dam is classified as a small size with a significant hazard classification. The principal spillway is an 8-inch cast iron pipe drop-inlet that passes through the dam at low level. The secondary spillway is three 36-inch corrugated metal pipes at the right abutment. The emergency spillway is an open channel cut at the left abutment which is also a low point in the private paved road. The reservoir is used for recreation. Based on criteria established by the Department of the Army, Office of the Chief of Engineers (OCE), the Spillway Design Flood (SDF) is the 1/2 PMF. The spillways will pass 29 percent of the PMF 0r 58 percent of the SDF without overtopping the crest of the dam. The SDF will overtop the dam by a maximum 0.25 feet, reach an average critical velocity of 3.4 feet per second and flow over the dam for 1 hour. Flows overtopping the dam during the SDF are not considered detrimental to the embankment. The spillways are adjudged inadequate but not seriously inadequate. The visual inspection revealed no apparent problems and there are no immediate needs for remedial measures. A stability check is not required. Maintenance is performed by the owners. However, there is no regular maintenance operations program or warning system.
Book Synopsis National Dam Safety Program. Bedford Lake Dam (Inventory Number VA-01905). Roanoke River Basin, Bedford County, Virginia. Phase I Inspection Report by : Boris O. Taran
Download or read book National Dam Safety Program. Bedford Lake Dam (Inventory Number VA-01905). Roanoke River Basin, Bedford County, Virginia. Phase I Inspection Report written by Boris O. Taran and published by . This book was released on 1981 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bedford Lake Dam is located approximately 0.5 miles northwest of Colton's Mill, Virginia, at the headwaters of the North Otter Creek. The field inspection was conducted on April 1, 1981. The weather was clear and dry with a temperature in the low seventies. Ground surface conditions along the embankment were generally dry. At the time of the inspection the pool elevation was at 993.3 msl and the tailwater elevation was approximately 952.6 msl. Overall the dam and appurtenant structures were found to be in good condition. However, several deficiencies were found necessitating remedial treatment. A field sketch of the conditions observed during the inspection is located in Appendix I. Prior to the present owners purchase of the dam, an inspection and evaluation was performed by the firm of Hurt and Profitt Engineers-Surveyors, Lynchburg, Virginia. At their recommendation the bridge spanning the emergency spillway was replaced and remedial work was done to the ogee weir at the entrance to the emergency spillway channel.
