National Dam Safety Program Scotts Millpond Dam Inventory Number Va 05706 Rappahannock River Basin Essex County Commonwealth Of Virginia Phase I Inspection Report
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National Dam Safety Program Scotts Millpond Dam Inventory Number Va 05706 Rappahannock River Basin Essex County Commonwealth Of Virginia Phase I Inspection Report
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Author : James A. Walsh
language : en
Publisher:
Release Date : 1981
National Dam Safety Program Scotts Millpond Dam Inventory Number Va 05706 Rappahannock River Basin Essex County Commonwealth Of Virginia Phase I Inspection Report written by James A. Walsh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.
Scotts Millpond Dam consists of two earthfill embankments located on the left and right sides of a natural knoll. Scotts Millpond Dam is a 'small' size - 'significant' hazard structure as defined by the Recommended Guidelines for Safety Inspection of Dams. Visual inspection of the dam revealed several major deficiencies requiring further attention. The depth, duration, and rate of overtopping flows are considered detrimental to the right embankment and there is a high probability the embankment would fail if the SDF would occur. The spillway is adjudged as inadequate. The spillway is not adjudged as seriously inadequate since dam failure from overtopping would not significantly increase the hazard to loss of life downstream from the dam over that which would exist just before overtopping failure.
Technical Abstract Bulletin
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Author :
language : en
Publisher:
Release Date : 1981
Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Science categories.
National Dam Safety Program Ni River Dam Inventory Number Va 17701 Rappahannock River Basin Spotsylvania County Commonwealth Of Virginia Phase I Inspection Report
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Author : Carl S Anderson (Jr)
language : en
Publisher:
Release Date : 1981
National Dam Safety Program Ni River Dam Inventory Number Va 17701 Rappahannock River Basin Spotsylvania County Commonwealth Of Virginia Phase I Inspection Report written by Carl S Anderson (Jr) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.
Ni River Dam, also referred to by the Soil Conservation Service (SCS) as the Ni River Watershed Project, Multiple Purpose Dam No. 1, is a zoned earthfill embankment approximately 50.9 feet high and 1440 feet long. Using the Corps of Engineers' screening criteria for initial review of spillway adequacy, the 1/2 Probable Maximum Flood (1/2 PMF) was selected as the spillway design flood (SDF). The spillway is capable of passing up to 100 percent of the SDF or 80 percent of the Probable Maximum Flood (PMF) without overtopping the dam. The spillway is adjudged as adequate. The marshy area below the toe should be examined at regular intervals and after periods of heavy rainfall for flow or turbidity. If flow or turbidity are noted, a qualified geotechnical firm should be retained to further evaluate the condition.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1982-02
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982-02 with Science categories.
National Dam Safety Program Airlie Dam Inventory Number Va 06115 Rappahannock River Basin Fauquier County Commonwealth Of Virginia Phase I Inspection Report
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Author : Michael Baker (III.)
language : en
Publisher:
Release Date : 1981
National Dam Safety Program Airlie Dam Inventory Number Va 06115 Rappahannock River Basin Fauquier County Commonwealth Of Virginia Phase I Inspection Report written by Michael Baker (III.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.
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.
Government Reports Annual Index
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Author :
language : en
Publisher:
Release Date : 199?
Government Reports Annual Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 199? with categories.
National Dam Safety Program Horners Dam Inventory Number Va 19305 Rappahannock River Basin Westmoreland County Virginia Phase I Inspection Report
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Author : Michael Baker (III.)
language : en
Publisher:
Release Date : 1981
National Dam Safety Program Horners Dam Inventory Number Va 19305 Rappahannock River Basin Westmoreland County Virginia Phase I Inspection Report written by Michael Baker (III.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.
Horners Dam is an earthfill embankment 16.7 feet high and approximately 600 feet long. The dam, is located approximately 8.8 miles southeast of Oak Grove, Virginia is used for recreation. Horners Dam is a small size - significant hazard structure as defined by the Recommended Guidelines for Safety Inspection of Dams. The dam and appurtenant structures were found to be in fair overall condition at the time of inspection. Past maintenance of the dam has been inadequate. The principal spillway, located at the left abutment, is a rectangular-shaped, broad-crested reinforced concrete weir 19.4 feet wide. A 10 foot wide vegetated earth emergency spillway is cut into the right abutment. There are no facilities for dewatering the reservoir. Using the Corps of Engineers' screening criteria for initial review of spillway adequacy, the 100-year flood was selected as the spillway design flood (SDF). The spillway is capable of passing up to 6 percent of the Probable Maximum Flood (PMF) or 32 percent of the SDF without overtopping. Based on the present unoccupied status of the house located within the downstream channel about 200 feet downstream of the spillway, a dam failure from overtopping would not significantly increase the hazard to loss of life downstream from the dam over that which would exist just before overtopping failure. However, overtopping flows are considered detrimental to the embankment. Therefore, the spillway has been adjudged as inadequate, but not seriously inadequate.
National Dam Safety Program Lake Of The Woods Inventory Number Va 13701 Rappahannock River Basin Orange County State Of Virginia Phase I Inspection Report
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Author : michael Baker (III.)
language : en
Publisher:
Release Date : 1979
National Dam Safety Program Lake Of The Woods Inventory Number Va 13701 Rappahannock River Basin Orange County State Of Virginia Phase I Inspection Report written by michael Baker (III.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
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. 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.
Government Reports Annual Index Keyword A L
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Author :
language : en
Publisher:
Release Date : 1982
Government Reports Annual Index Keyword A L written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Government reports announcements & index categories.
National Dam Safety Program Warrenton Lake Dam Inventory Number Va 06134 Rappahannock River Basin Fauquier County Commonwealth Of Virginia Phase I Inspection Report
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Author : Michael Baker (III.)
language : en
Publisher:
Release Date : 1981
National Dam Safety Program Warrenton Lake Dam Inventory Number Va 06134 Rappahannock River Basin Fauquier County Commonwealth Of Virginia Phase I Inspection Report written by Michael Baker (III.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.
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.