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National Dam Safety Program Township Line Dam Ndi Pa 475 Ohio River Basin Township Line Run Westmoreland County Pennsylvania Phase I Inspection Report
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Book Synopsis National Dam Safety Program. Township Line Dam (NDI-Pa-475), Ohio River Basin, Township Line Run, Westmoreland County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Safety Program. Township Line Dam (NDI-Pa-475), Ohio River Basin, Township Line Run, Westmoreland County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1978 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Dam Inspection Act, Public Law 92-367 authorized the Secretary of the Army, through the Corps of Engineers, to initiate a program of inspection of dams throughout the United States. The purpose is to determine if the dam constitutes a hazard to human life or property.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Safety Program. Township Line Dam (NDI-PA 00625, PA DER 15-266) Delaware River Basin, East Branch of Chester Creek, Chester County, Pennsylvania. Phase 1 Inspection Report by : John J. Williams
Download or read book National Dam Safety Program. Township Line Dam (NDI-PA 00625, PA DER 15-266) Delaware River Basin, East Branch of Chester Creek, Chester County, Pennsylvania. Phase 1 Inspection Report written by John J. Williams and published by . This book was released on 1979 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: Township Line Dam is an earth embankment approximately 530 feet long with a height of 34 feet and crest width of 10 feet. The dam, originally constructed to impound and supply water for the Borough of West Chester, is presently being used for recreation, flood abatement and maintenance of a minimum discharge into the East Branch of Chester Creek. The concrete Ogee spillway has a crest width of 50 feet and is located at the south dam abutment. The spillway, for this 'Intermediate' size, 'High' hazard dam, is capable of discharging 48 percent of the PMF without overtopping of the earth embankment. A review of the hydrologic analysis indicates that the embankment would be overtopped by 0.15 feet for about 2 hours during a flood equal to 50 percent of the PMF. It is considered unlikely that the dam would fail during this event; therefore, the spillway is classified as 'Inadequate', but not 'Seriously Inadequate'. Based upon visual observations, review of the information obtained from the Pennsylvania Department of Environmental Resources, Division of Dam Safety, and conversations with the Owner's representative, Township Line Dam is considered to be in fair condition. However, the detection of potentially unstable conditions at this site was severely restricted due to thick vegetation covering the entire embankment. Certain conditions require further investigations, maintenance, or monitoring.
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 199? with total page 1018 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1979-05 with total page 1148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Safety Program. Trout Run Dam (NDI-PA.-481), Ohio River Basin, Trout Run, Westmoreland County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Safety Program. Trout Run Dam (NDI-PA.-481), Ohio River Basin, Trout Run, Westmoreland County, Pennsylvania. Phase I Inspection Report written by GAI CONSULTANTS INC MONROEVILLE PA. and published by . This book was released on 1978 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trout Run Dam is an earthen embankment with a concrete corewall. The overall length of the structure is 582 feet and its maximum height is 41 feet. The facility is equipped with a spillway on the left abutment as well as a 30-inch diameter cast iron blow-off pipe and a 12-inch diameter supply pipe encased in concrete beneath the embankment. Based on a visual inspection, past performance and available engineering data as well as a brief hydrologic and hydraulic investigation, the facility is considered to be in fair condition. Hydrologic and hydraulic calculations indicate that the facility is capable of passing and/or storing 47% of the runoff associated with a PMF event. Hence, in accordance with screeening criteria established by the Department of the Army, Office of the Chief of Engineers, the spillway is deemed to be 'seriously inadequate.' The dam has a history of seepage problems. At the time of inspection seepage and/or saturated conditions were observed, in various areas at the toe of the embankment and in an area approximately 20 feet below the dam crest.
Book Synopsis National Dam Safety Program. Ward Run. NDI Number PA-01124 PennDER Number 63-75 SCS Number PA-483. Ohio River Basin, Washington County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Safety Program. Ward Run. NDI Number PA-01124 PennDER Number 63-75 SCS Number PA-483. Ohio River Basin, Washington County, Pennsylvania. Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1980 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: PA 483 is a 74-foot high, zoned-earthfill floodwater retarding dam designed by the U.S. Department of Agriculture, Soil Conservation Service (SCS). The dam is owned and operated by the Washington County Commissioners. The dam consists of a 360 foot long embankment, a vegetated earth side channel emergency spillway, and an intake riser and outlet conduit (principal spillway). The dam and appurtenant structures were found to be in good overall condition at the time of the inspection. Hydraulic/hydrologic evaluations revealed that the spillway will pass the Probable Maximum Flood (PMF) without overtopping the dam. PA 483 is a 'High' hazard, 'Intermediate' size dam requiring evaluation for a spillway design flood (SDF) equal to the PMF. Therefore, the spillway is assessed as 'adequate.' The inspection revealed certain items of remedial work which should be performed immediately by the owner.
Book Synopsis National Dam Safety Program. Ethel Springs Dam (NDI Number PA 01121, PennDER Number 65-13), Ohio River Basin, Westmoreland County, Pennsylvania. Phase I Inspection Report by : BAKER (MICHAEL) JR INC BEAVER PA.
Download or read book National Dam Safety Program. Ethel Springs Dam (NDI Number PA 01121, PennDER Number 65-13), Ohio River Basin, Westmoreland County, Pennsylvania. Phase I Inspection Report written by BAKER (MICHAEL) JR INC BEAVER PA. and published by . This book was released on 1980 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ethel Springs Dam is owned and operated by the Borough of Derry Municipal Water Authority. The dam is classified as a 'High' hazard - 'Intermediate' size dam. The dam was found to be in poor overall condition at the time of inspection. Hydraulic/hydrologic evaluations, performed in accordance with procedures established by the Baltimore District, Corps of Engineers, for Phase I Inspection Reports, revealed that the spillway will pass approximately 40 percent of the Probable Maximum Flood (PMF) before overtopping will occur. A spillway design flood (SDF) equal to the PMF is required for Ethel Springs Dam. Additional analyses were performed to assess whether or not the dam would fail under 1/2 Probable Maximum Flood (1/2 PMF) conditions. Since the duration and depth of overtopping under the 1/2 PMF (6.0 hours and 0.28 feet, respectively) do not exceed the limiting criteria assumed for failure of the dam (8.0 hours and 1 foot), it has been estimated that failure of the dam under 1/2 PMF conditions is not likely. The spillway is therefore considered 'inadequate' but not 'seriously inadequate.' The owner should immediately initiate an engineering study to further evaluate the spillway capacity and to develop recommendations for remedial measures to reduce the overtopping potential of the dam. The possibility of movement of the upstream slope and the uncertainties of construction of the dike and downstream slope are causes for concern for the continued stability and safety of this dam. It is recommended that a detailed overall investigation of this dam be performed.
Book Synopsis National Dam Safety Program. Unnamed Tributary to Harmon Creek, NDI Number PA-01123 PennDER Number 63-81. SCS Number PA-485. Ohio River Basin. Washington County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Safety Program. Unnamed Tributary to Harmon Creek, NDI Number PA-01123 PennDER Number 63-81. SCS Number PA-485. Ohio River Basin. Washington County, Pennsylvania. Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1980 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: PA 485 is a zoned earthfill embankment with a total length of 630 feet, including the emergency spillway on the left abutment. The height and crest width of the embankment are 78 feet and 14 feet, respectively. The embankment was constructed using three zones of fill material. The principal spillway is a drop-inlet structure consisting of a two stage reinforced concrete riser connected to a 30 inch diameter reinforced concrete outlet pipe. The emergency spillway for the dam is located at the left abutment. It consists of a vegetated trapezoidal channel with a bottom width of 50 feet and 2H:1V side slopes. Hydrologic/hydraulic evaluations revealed that the spillway will pass the Probable Maximum Flood (PMF) without overtopping the dam. A spillway design flood (SDF) equal to the PMF is required for PA 485. The spillway is therefore considered to be 'adequate'. The visual inspection revealed several minor deficiencies which require remedial action by the owners of the dam.
Book Synopsis National Dam Safety Program. West Leechburg Reservoir Dam (NDI-PA.-452), Ohio River Basin, West Penn Run, Westmoreland County, Pennsylvania by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Safety Program. West Leechburg Reservoir Dam (NDI-PA.-452), Ohio River Basin, West Penn Run, Westmoreland County, Pennsylvania written by GAI CONSULTANTS INC MONROEVILLE PA. and published by . This book was released on 1978 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: West Leechburg Reservoir Dam is an earth embankment approximately 406 feet long reaching a maximum height of about 60 feet near the center of the embankment. The structure is provided with a cutoff trench, excavated to rock, as well as a concrete cutoff wall extending two feet into rock and extending five feet above the rock surface. The visual inspection, records of past performance, and hydologic and hydraulic analysis indicate that the facility is in fair condition and in need of remedial repair and further engineering evaluation. Hydrologic and hydraulic calculations indicate that the facility is capable of passing and/or storing 43% of the runoff associated with a storm of PMF intensity without overtopping the spillway wingwalls. Based on screening criteria estabished by the Dept. of the Army, Office of Chief of Engineers, the spillway, in its present configuration, is considered seriously inadequate. Seepage flow was observed in the lower portion of the embankment behind the treatment plant.
Book Synopsis National Dam Safety Program. Kahle Lake Dam (NDI Number PA-00825, Penn DER Number 61-20), Ohio River Basin, Mill Creek, Venango County, Pennsylvania. Phase I Inspection Report by : Chuan Yuan Chen
Download or read book National Dam Safety Program. Kahle Lake Dam (NDI Number PA-00825, Penn DER Number 61-20), Ohio River Basin, Mill Creek, Venango County, Pennsylvania. Phase I Inspection Report written by Chuan Yuan Chen and published by . This book was released on 1979 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kahle Lake Dam is a zoned, earthfill embankment with a maximum height of 45 feet and a total length between abutments of 1300 feet. The embankment has a crest width of 19 feet and side slopes of 3H:1V (Horizontal to Vertical) upstream and 2.5H:1V downstream. The upper 10 feet of the upstream slope is provided with 18 inch thick riprap for wave and ice protection. The auxiliary spillway, located in the left abutment, consists of a concrete weir, a concrete chute, and a stilling basin. The weir has an overall length of 81 feet with the crest elevation 6 feet below the top of dam. Flow over the weir discharges into a reinforced concrete chute. The chute width varies from 81 feet at the weir to 60 feet at the stilling basin. The bottom of the chute has a slope of 5H:1V and an overall length of 144.33 feet. Reinforced concrete training walls are provided from the weir to the end of the stilling basin.
Book Synopsis National Dam Safety Program. Siegel Marsh Dam. NDI Number PA-00015. PennDER Number 25-14. Ohio River Basin. East Branch LeBoeuf Creek, Erie County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Safety Program. Siegel Marsh Dam. NDI Number PA-00015. PennDER Number 25-14. Ohio River Basin. East Branch LeBoeuf Creek, Erie County, Pennsylvania. Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1980 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Siegel Marsh Dam was originally constructed as a 9 foot high earth embankment with a single concrete spillway 136 feet long. At a later date, the embankment was raised 1.5 feet, the spillway was raised 3.5 feet, and an additional spillway with a length of 126 feet was added. The impoundment is situated in State Game Lands No. 218 and is used for wildlife propagation. The embankment currently consists of three sections separated by two spillway structures. The spillway currently consists of two trapezoidal shaped, broad-crested concrete weirs separated by an earth embankment. A minimum flow of at least 1.71 c.f.s. out of the reservoir is maintained by a set of stop logs on the left side of the right spillway. All of the stop logs can be removed to drain the reservoir. Hydraulic/hydrologic evaluations revealed that the spillway will pass the 1/2 Probable Maximum Flood (1/2 PMF) without overtopping the dam. A spillway design flood (SDF) in the range of the 1/2 PMF to Probable Maximum Flood (PMF) is required for Siegel Marsh Dam. The 1/2 PMF was chosen as the SDF because the dam is on the low side of the 'Intermediate' size category due to the low height of the embankment. The spillways are therefore considered 'adequate'. The inspection revealed certain items of remedial work which should be performed immediately by the owner.
Book Synopsis National Dam Safety Program. Martindale Dam (NDI Number PA-00444, PennDER Number 11-17), Ohio River Basin, Trout Run, Cambria County, Pennsylvania. Phase I Inspection Report by : BAKER (MICHAEL) JR INC BEAVER PA.
Download or read book National Dam Safety Program. Martindale Dam (NDI Number PA-00444, PennDER Number 11-17), Ohio River Basin, Trout Run, Cambria County, Pennsylvania. Phase I Inspection Report written by BAKER (MICHAEL) JR INC BEAVER PA. and published by . This book was released on 1980 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Martindale Dam, owned and operated by the Borough of Portage Water Authority, is classified as a 'Small' size - 'High' hazard dam. The dam was found to be in fair overall condition at the time of inspection. Hydraulic/hydrologic evaluations, performed in accordance with procedures established by the Baltimore District, Corps of Engineers, for Phase I Inspection Reports, revealed that the dam, reservoir, and spillway will pass 16 percent of the Probable Maximum Flood (PMF) before overtopping of the dam occurs. A spillway design flood (SDF) in the range of the 1/2 Probable Maximum Flood (1/2 PMF) to the PMF is required for Martindale Dam. The 1/2 PMF was chosen as the SDF because the dam is on the low end of the 'Small' size category in terms of its storage and height. During the 1/2 PMF, the maximum depth and total duration of overtopping are 0.83 feet and 8.5 hours, respectively. Due to the relatively narrow crest width of the dam and the long duration of overtopping, it was judged that failure of the dam is likely during the 1/2 PMF. To assess the increase in damages downstream from the non-failure cases, the 1/2 PMF was routed through the dam and downstream for both conditions. It was determined that there would be a significant increase in economic damages and possible loss of life if the dam failed. The spillway is therefore categorized as being 'seriously inadequate.'
Book Synopsis National Dam Safety Program. H.B. Norton Dam PA No Name No. 42)(NDI-PA-00385, PennDer No. 24-35), Ohio River Basin, Big Mill Creek, Elk County, Pennsylvania. Phase I Inspection Report by : C. Y. Chen
Download or read book National Dam Safety Program. H.B. Norton Dam PA No Name No. 42)(NDI-PA-00385, PennDer No. 24-35), Ohio River Basin, Big Mill Creek, Elk County, Pennsylvania. Phase I Inspection Report written by C. Y. Chen and published by . This book was released on 1979 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: The H.B. Norton Dam consists of an earthfill embankment approximately 37 feet high and 675 feet long. A 75-foot wide, concrete ogee spillway is located at the right abutment, and a 150-foot wide emergency spillway is located at the left abutment. Seepage control is provided by a steel core wall comprised of 72-inch by 96-inch by 1/4-inch steel sheets, which are riveted and welded in place. The downstream embankment rises at a slope of 2 horizontal to 1 vertical (2H:1V) to the crest at elevation 1422.4 feet. The upstream slopes rise at 2.5H:1V to elevation 1412 feet and then 2H:1V to the 12-foot wide crest. The upstream face is lined with well-placed sandstone riprap, typically 1- to 2-foot square. The ogee type spillway has a crest elevation of 1415 feet, or 7 feet lower than the top of dam. Approximately 225 feet to the left of the ogee spillway is a concrete screen chamber built into the embankment. The intake consists of two pipes, a 16-inch cast-iron pipe with an invert elevation of 1400 feet and a 36-inch cast-iron pipe with an invert at elevation 1386.0 feet.
Book Synopsis National Dam Safety Program. Penn Nursery Dam (NDI I.D. Number PA-00470, Penn DER I.D. Number 14-117), Susquehanna River Basin, Potter Run, Centre County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Safety Program. Penn Nursery Dam (NDI I.D. Number PA-00470, Penn DER I.D. Number 14-117), Susquehanna River Basin, Potter Run, Centre County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1980 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a visual inspection, operational history, and available engineering data, the dam is considered to be in good condition. The size classification of the facility is small and its hazard classification is considered to be high. In accordance with the recommended guidelines, the Spillway Design Flood (SDF) for the facility ranges between the 1/2 PMF (Probable Maximum Flood) and the PMF. Due to the high potential for damage to downstream structures and possibly loss of life, the SDF is considered to be the PMF. Results of the hydrologic and hydraulic analysis indicate the facility will pass and/or store approximately 92 percent of the PMF prior to embankment overtopping. Based on screening criteria contained in the recommended guidelines, the spillway is considered to be inadequate, but not seriously inadequate. Deficiencies noted by the inspection team included a seepage condition along a portion of the downstream embankment toe approximately 160 feet to the right of the left abutment hillside and a minor vertical crack in the concrete spillway overflow wall.
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 1979 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Safety Program. Big Spring Dam (NDS I.D.-461), Ohio River Basin, Big Spring Run, Westmoreland County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS PITTSBURGH PA.
Download or read book National Dam Safety Program. Big Spring Dam (NDS I.D.-461), Ohio River Basin, Big Spring Run, Westmoreland County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS PITTSBURGH PA. and published by . This book was released on 1978 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The inspection was performed pursuant to the authority granted by The National Dam Inspection Act, Public Law 92-367, to the Secretary of the Army, through the Corps of Engineers, to conduct inspections of dams throughout the United States. The purpose of this inspection is to determine if the dam constitutes hazard to human life or property.
