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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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.
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 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.
National Dam Safety Program Sawyer Lake Dam Inventory Number Va 06103 Rappahannock River Basin Fauquier County Virginia Phase I Inspection Report
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Author : Ray E. Martin
language : en
Publisher:
Release Date : 1981
National Dam Safety Program Sawyer Lake Dam Inventory Number Va 06103 Rappahannock River Basin Fauquier County Virginia Phase I Inspection Report written by Ray E. Martin 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.
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 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.
Government Reports Annual Index
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Author :
language : en
Publisher:
Release Date : 1982
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 1982 with Government reports announcements & index categories.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1982
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 with Science categories.
National Dam Safety Program Warrenton Dam Inventory Number Va 06101 Potomac River Basin Fauquier County Virginia Phase I Inspection Report
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Author : Boris O. Taran
language : en
Publisher:
Release Date : 1981
National Dam Safety Program Warrenton Dam Inventory Number Va 06101 Potomac River Basin Fauquier County Virginia Phase I Inspection Report written by Boris O. Taran 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.
Warrenton Dam is comprised of a 550 foot long concrete slab and buttress dam and two earthen dikes separated by a grassy knoll. The dikes are in the reservoir located in a low lying area north of the dam. One dike is about 300 feet long and 13 feet high. The other dike, perpendicular to the first, is about 175 feet long and 6 feet high. A concrete intake structure comprised of three 8-inch intakes at different elevations allows flow to discharge into the stream below the dam, furnishing water to the Warrenton Filtration Plant about 2 miles downstream. The concrete intake structure also has a 24-inch inlet and a 24-inch outlet. The maximum height is 30.8 feet for the concrete spillway. The dam is located 0.5 miles north of the Warrenton town limits and is used as the water supply for Warrenton, Virginia. The dam is owned and maintained by the Town of Warrenton, Virginia. The dam is classified as a small dam with a significant hazard classification. 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. Since the spillway was sized for the 21 percent PMF, which is greater than the 100 year flood, the spillway is adjudged as adequate.
National Dam Safety Program Digiulian Dam Inventory Number Va 06102 Shenandoah River Basin Fauquier 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 Digiulian Dam Inventory Number Va 06102 Shenandoah River Basin Fauquier 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.
DiGiulian Dam is an earthfill embankment 29.9 feet high and 281 feet long. The principal spillway is a corrugated metal pipe riser located near the center of the dam. 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 SDF was routed through the reservoir and found to overtop the dam by a maximum depth of 0.7 foot with an average critical velocity of 2.9 f.p.s. Total duration of dam overtopping would be approximately 0.8 hours. Overtopping flows are not considered to be seriously detrimental to the embankment. The spillway is capable of passing up to 84 percent of the SDF or 12 percent of the Probable Maximum Flood (PMF) without overtopping the dam. The spillway is adjudged as inadequate, but not seriously inadequate.
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.
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.