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National Dam Inspection Report Breskin Pond Dam Number 1 Ndi Number Pa 01141 Pennder Number 65 141 Ohio River Basin Unnamed Tributary To Fourmile Run Westmoreland County Pennsylvania Phase I Inspection Report
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Book Synopsis National Dam Inspection Report. Breskin Pond Dam Number 1 (NDI Number PA-01141 PennDER Number 65-141). Ohio River Basin. Unnamed Tributary to Fourmile Run, Westmoreland County, Pennsylvania, Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Inspection Report. Breskin Pond Dam Number 1 (NDI Number PA-01141 PennDER Number 65-141). Ohio River Basin. Unnamed Tributary to Fourmile Run, Westmoreland County, Pennsylvania, Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1981 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Breskin Pond Dam No. 1 is classified as a 'Significant' hazard - 'Small' size 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 spillway will pass approximately 30 percent of the Probable Maximum Flood (PMF) before overtopping will occur. A spillway design flood (SDF) in the range of the 100-year flood to the 1/2 Probable Maximum Flood (1/2 PMF) is required for Breskin Pond Dam No. 1. The 100-year flood was chosen because the dam is on the low end of the 'Small' size category in terms of storage capacity. The total duration and maximum depth of overtopping during the 100-year flood are 0.6 hours and 0.34 foot, respectively. The spillway is therefore assessed as being 'Inadequate.' It is recommended that the owner, under the guidance of a professional engineer, develop remedial measures to ensure that the dam will not be overtopped by the 100-year flood. The inspection and review of available information revealed certain items of work which should be performed without delay by the owner.
Book Synopsis OHIO RIVER BASIN; UNNAMED TRIBUTARY TO FOURMILE RUN, WESTMORELAND COUNTY, PENNSYLVANIA, BRESKIN POND DAM NO.1, NDI NO. PA 01141, PENNDER NO.65-141, DAM OWNER by : United States. Army. Corps of Engineers. Baltimore District
Download or read book OHIO RIVER BASIN; UNNAMED TRIBUTARY TO FOURMILE RUN, WESTMORELAND COUNTY, PENNSYLVANIA, BRESKIN POND DAM NO.1, NDI NO. PA 01141, PENNDER NO.65-141, DAM OWNER written by United States. Army. Corps of Engineers. Baltimore District and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Breskin Dam Number 2 (NDI Number PA 00485, PennDER Number 65-134), Ohio River Basin, Fourmile Run, Westmoreland County, Pennsylvania. Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Breskin Dam Number 2 (NDI Number PA 00485, PennDER Number 65-134), Ohio River Basin, Fourmile Run, Westmoreland County, Pennsylvania. Phase I Inspection Report written by James P. Hannan and published by . This book was released on 1980 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a review of available design information and visual observations of conditions as they existed on the date of the field inspection, the general condition of the Breskin Dam No. 2 is considered to be good. The structure is classified as an 'intermediate' size, 'high' hazard dam and the Spillway Design Flood is the Probable Maximum Flood. The spillway capacity was found to be 'inadequate' because the non-overtopping flood discharge capacity, as estimated using the HEC-1 computer program, was found to be 42 percent of the PMF. The spillway is not 'seriously inadequate', because in the opinion of the evaluating engineer, the dam will not fail at 50 percent of the PMF.
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 1981 with total page 1070 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1981 with total page 1320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Four-Mile Run Dam (NDS I.D. Number PA-00457, PennDer I.D. Number 65-126), Ohio River Basin, Four-Mile Run, Westmoreland County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. Four-Mile Run Dam (NDS I.D. Number PA-00457, PennDer I.D. Number 65-126), Ohio River Basin, Four-Mile Run, Westmoreland County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1979 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: The visual inspection, operational history, and hydrologic/hydraulic analysis indicate the facility is in good condition. It is recommended that the owner: (a) Immediately fill and seal all cracks within the interior of the outlet conduit. (b) Specifically address the seepage condition observed to the right of the spillway in all future inspections and note any turbidity or changes in the rate of flow. (c) Re-evaluate and revise the present standard flood emergency procedures in accordance with, but not limited to, the following items: (1) Include a definite procedure of notifying downstream residents of a possible emergency. (2) Provide for an alternate means of communication in the event telephone lines become inoperative. (3) Provide for around-the-clock surveillance of the facility during periods of unusually heavy precipitation. (d) Provide additional riprap protection along the right sidewall of the spillway approach channel.
Book Synopsis National Dam Inspection Program. Ligonier Dam (NDI Number PA-00477, PennDER Number 65-117), Ohio River Basin, South Fort of Mill Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Inspection Program. Ligonier Dam (NDI Number PA-00477, PennDER Number 65-117), Ohio River Basin, South Fort of Mill Creek, Westmoreland 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: Ligonier Dam (Ligonier Township Reservoir) is classified as a 'High' hazard - 'Small' size dam. The dam and reservoir, owned by the Ligonier Township Municipal Water Authority, are used for water supply. The dam was found to be in good 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 35 percent of the Probable Maximum Flood (PMF) before overtopping will occur. A spillway design flood (SDF) in the range of the 1/2 Probable Maximum Flood (1/2 PMF) to the PMF is required for Ligonier Dam. Because of the relative small size of the impoundment the 1/2 PMF was chosen as the SDF. It was determined that during the 1/2 PMF the low area on the embankment would be overtopped by a depth of 0.66 foot and a duration of 4.50 hours. Because a limiting criteria of one foot or greater depth of overtopping and a duration of 2 hours was estimated for this dam, it was concluded that a dam failure during the 1/2 PMF is unlikely to occur.
Book Synopsis National Dam Inspection Program Upper Bridgeport Dam NDI I.D. Number PA-00465 Pender I.D. Number 65-6. Ohio River Basin, Jacobs Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program Upper Bridgeport Dam NDI I.D. Number PA-00465 Pender I.D. Number 65-6. Ohio River Basin, Jacobs Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report written by GAI CONSULTANTS INC MONROEVILLE PA. and published by . This book was released on 1979 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Upper Bridgeport Dam is an earth embankment approximately 1,020 feet long (including spillways), with a maximum height of 21 feet. The embankment is divided into three sections by two spillways. The service spillway is a combination masonry and concrete trapezoidal-shaped weir structure with a 101-foot long crest located about 140 feet from the left abutment. The emergency spillway is a concrete broad-crested weir structure with a 250-foot crest length located about 320 feet to the left of the right abutment. Based on the visual inspection, operational history, and available engineering data, the dam is considered to be in poor condition. The facility has been essentially abandoned by the current owner and has not been in operation or maintained since 1972. Results of the hydrologic and hydraulic analysis indicate that the facility can accommodate approximately 20 percent of the PMF before overtopping of the embankment occurs. Since the dam's hazard rating is high, and embankment failure would result in an increase in the potential for loss of life downstrean from the dam, the present spillway system is assessed as being seriously inadequate.
Book Synopsis National Dam Inspection Program. Greenwalt Dam (NDI Number PA-00476, PennDER Number 65-52), Ohio River Basin, Crabtree Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Greenwalt Dam (NDI Number PA-00476, PennDER Number 65-52), Ohio River Basin, Crabtree Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1980 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a review of available design information and visual observations of conditions as they existed on the date of the field inspection, the general condition of the Greenwalt Dam is considered to be in an unsafe, non-emergency condition.
Book Synopsis National Dam Inspection Program. Beaver Dam (NDI I.D. Number PA-00453, Pennder I.D. Number 65-7), Ohio River Basin, Beaver Run, Westmoreland County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program. Beaver Dam (NDI I.D. Number PA-00453, Pennder I.D. Number 65-7), Ohio River Basin, Beaver Run, Westmoreland County, Pennsylvania. Phase I Inspection Report written by GAI CONSULTANTS INC MONROEVILLE PA. and published by . This book was released on 1979 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beaver Dam is an earth embankment approximately 32 feet high and 385 feet long (including spillway). The dam is constructed with a masonry spillway located about 35 feet left of the right abutment. The crest of the spillway is 100 feet long and about 11 feet below the top of its wingwalls. Based on a visual inspection, operational history, and available engineering data, the dam is consisered to be in poor condition. The defunct facility has been essentially abandoned since 1952 and its reservoir is sediment filled. Results of the hydrologic and hydraulic analysis indicate that the facility is capable of passing and/or storing only 36 percent of the PMF without embankment overtopping. Structural deficiencies noted by the inspection team included substantial embankment overgrowth, an access road cut through the embankment near the left abutment, cracking of the masonry spillway wingwalls, and a sediment filled reservoir. Due to the seriously inadequate spillway and overall poor condition, the facility is considered unsafe but non-emergency as failure is not considered imminent.
Book Synopsis National Dam Inspection Program. Whitney Ridge Dam (NDI Number PA 00474, PennDER Number 65-24), Ohio River Basin, Westmoreland County, Commonwealth of Pennsylvania. Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Whitney Ridge Dam (NDI Number PA 00474, PennDER Number 65-24), Ohio River Basin, Westmoreland County, Commonwealth of Pennsylvania. Phase I Inspection Report written by James P. Hannan 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 review of available design information and visual observations of conditions as they existed on the date of the field inspection, the general condition of the Whitney Ridge Dam is considered to be poor. This assessment is based on visual observations and hydraulic calculations that indicated: (1) A possible inadequate margin of safety against slope failure as indicated by evidence of high ground water in the embankment. (2) Inability to locate outlet works system components or operate observed controls. (3) Poor hydraulic conditions at the Principal Spillway including dense tree and brush growth in the spillway channel and deterioration of the concrete overflow weir and channel bottom paving. (4) 'Inadequate' spillway capacity as determined using the HEC-1 Computer Program. The structure is a 'small' size, 'high' hazard dam.
Book Synopsis National Dam Inspection Program. Kenda Dam (NDI Number PA 00459, PennDER Number 65-118), Ohio River Basin, Tributary of Little Sewickley Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Inspection Program. Kenda Dam (NDI Number PA 00459, PennDER Number 65-118), Ohio River Basin, Tributary of Little Sewickley Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1980 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kenda Dam is owned and operated by the Westmoreland Recreation Society, Inc. and is classified as a Small size - High hazard 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 not 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 Kenda Dam. The 1/2 PMF was selected as the SDF because of the small size of the drainage area and impoundment. During the 1/2 PMF, the dam is overtopped by a maximum depth of 1.24 feet for a total duration of 7.00 hours. It is estimated that, in its present condition, the dam is likely to fail during the 1/2 PMF. Analysis performed to assess the impact of failure of the dam on the damage center downstream indicated that a significant increase in damage would occur compared to conditions if the dam did not fail. Therefore, the spillway is assessed as being seriously inadequate. It is recommended that the owner immediately initiate an engineering study to further evaluate the spillway capacity and develop recommendations for remedial measures to reduce the overtopping potential of the dam.
Book Synopsis National Dam Inspection Program. Kennametal Reservoir Dam. (NDI Number PA-00482, Penn DER-Number 65-120) Ohio River Basin, Miller Run, Westmoreland County, Pennsylvania, Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Kennametal Reservoir Dam. (NDI Number PA-00482, Penn DER-Number 65-120) Ohio River Basin, Miller Run, Westmoreland County, Pennsylvania, Phase I Inspection Report written by James P. Hannan and published by . This book was released on 1980 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a review of available design information and visual observations of conditions as they existed on the date of the field inspections, the general condition of the Kennametal Reservoir Dam is considered to be good. The structure is classified as a 'small' size, 'high' hazard dam. Corps of Engineers guidelines recommend 1/2 to one times the Probable Maximum Flood (PMF) for ('small' size, 'high' hazard dams. Kennametal Reservoir Dam's Spillway Design Flood is 1/2 the Probable Maximum Flood (PMF). Spillway capacity is 'inadequate' because the non-overtopping flood discharge capacity, was estimated using the HEC-1 computer program, was found to be 13 percent of the PMF. The spillway is not 'seriously inadequate' because failure of the structure would not significantly increase the flood stage and risk of loss of life downstream. The visual inspection indicated minor deficiencies which are considered correctable.
Book Synopsis National Dam Inspection Program. PA-657 Dam (Acme Dam) (NDI I.D. Number PA-00828, PennDER I.D. Number 65-133), Ohio River Basin, Jacobs Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. PA-657 Dam (Acme Dam) (NDI I.D. Number PA-00828, PennDER I.D. Number 65-133), Ohio River Basin, Jacobs Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1979 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a visual inspection, past performance, and available engineering data, the facility is considered to be in good condition. The size classification of the facility is intermediate and the hazard classification is considered to be high. The emergency spillway is capable of discharging the peak inflow resulting from a storm of PMF intensity and is, therefore, considered adequate. It is recommended that the owner: (a) Repair the damaged pond drain gate control and replace the missing manhole cover atop the service spillway riser. Consideration should be given to redesigning the gate control mechanism to protect it from future vandalism. (b) Consult with the U.S.D.A., Soil Conservation Service, to assess the erosion on the upstream slope in the area of the service spillway riser and implement any remedial measures deemed necessary. (c) Curtail the unauthorized vehicular travel across the embankment and repair and reseed any damaged (bare) areas. If control of unauthorized travel is not practical, some provision should be made to protect the embankment from rutting and erosion by placing a layer of gravel or stone across the crest. (d) Develop a formal operation and maintenance manual to ensure the continued proper care of the facility. In addition, a formal warning system should be implemented which provides detailed procedures to protect the lives and property of downstream residents. Included in the plan should be provisions for around-the-clock surveillance of the facility during periods of unusually heavy percipitation.
Book Synopsis National Dam Inspection Program. Unnamed Tributary to Harmon Creek, (NDI Number PA-01125). PennDER-Number 63-84. SCS Number PA-480. Ohio River Basin. Washington County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Inspection Program. Unnamed Tributary to Harmon Creek, (NDI Number PA-01125). PennDER-Number 63-84. SCS Number PA-480. 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 480 was designed by the U.S. Department of Agriculture, Soil Conservation Service (SCS) for floodwater detention. The total length of the dam is 555 feet, including the emergency spillway on the right abutement; the maximum height of the dam is 66 feet. 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 low-level inlet on the concrete riser is a 9 inch high by 15 inch wide orifice; this inlet maintains the normal pool level. There is 25.1 acre-feet of storage at normal pool level, all of which is reserved for a 50-year accumulation of sediment. Hydraulic/hydrologic evaluations, revealed that the spillway will pass the Probable Maximum Flood (PMF) without overtopping the dam. A spillway design flood (SDF) in the range of the 1/2 Probable Maximum Flood (1/2 PMF) to the PMF is required for PA 480. The 1/2 PMF was selected as the SDF. The spillway is therefore considered to be 'adequate'.
Book Synopsis National Dam Inspection Program. Marguerite Dam (NDI ID Number PA-455, DER ID Number 65-16), Ohio River Basin, Branch Sewickley Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Marguerite Dam (NDI ID Number PA-455, DER ID Number 65-16), Ohio River Basin, Branch Sewickley Creek, Westmoreland County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: The assessment of Marguerite Dam is based upon visual observations made at the time of inspection, review of available records and data, hydraulic and hydrologic computations and past operational performance. Marguerite Dam appears to be in fair condition and poorly maintained. The stability of the structure is questionable due to the steep downstream slope and the existance of seepage on the downstream slope adjacent to the right spillway wall (left abutment). The masonry wall located along the upstream face of the dam is collapsing in sections and falling into the reservoir. Cracking of the masonry wall at the right of the approach to the spillway is occurring, and should be repaired. Brush and small trees have been allowed to grow unchecked along the entire downstream slope of the dam. The entire area along the downstream toe of the dam is wet, and ponding is occuring in the area of the valve pit at the downstream toe. Positive drainage for the ponding should be provided. Seepage noted during the inspection was measured to range from 10 to 15 gallons per minute. The drainline valve is located at the downstream toe of the dam which is considered a deficiency.
