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National Dam Inspection Program Star Junction Number 2 Dam Ndi Number Pa 00212 Pennder Number 26 31 Ohio River Basin Fayette County Commonwealth Of Pennsylvania Phase I Inspection Report
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Book Synopsis National Dam Inspection Program. Star Junction Number 2 Dam. (NDI Number PA-00212 PennDER Number 26-31) Ohio River Basin. Fayette County, Commonwealth of Pennsylvania. Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Star Junction Number 2 Dam. (NDI Number PA-00212 PennDER Number 26-31) Ohio River Basin. Fayette 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 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Star Junction No. 2 Dam consists of an earthfill embankment and masonry spillway on the left abutment. The dam has a crest length of 341 feet, a maximum height of 30 feet and a storage volume of 31 acre-feet at the spillway crest level. The dam is classified by Corps of Engineers guidelines to be a small size, high hazard structure. Star Junction No. 2 Dam's embankment is assessed to be in poor condition. This is based on visual observations of the non-uniform slope, wet zones and state inspection reports. The downstream control was observed to be damaged and probably is not operable. No control or mechanism was observed to permit upstream flow control. The principal spillway is assessed to be in very poor condition. This is based on visual observations of the weir wall and training dike retaining wall. Both structures are partially collapsed and badly deteriorated and safe performance is questionable in the event of long-term, high discharge conditions.
Book Synopsis National Dam Inspection Program. Star Junction Number 1 Dam (NDI Number PA-00198, PennDER Number 26-30) Ohio River Basin, Washington Run, Fayette County, Pennsylvania. Phase I Inspection Report by : William McCormick
Download or read book National Dam Inspection Program. Star Junction Number 1 Dam (NDI Number PA-00198, PennDER Number 26-30) Ohio River Basin, Washington Run, Fayette County, Pennsylvania. Phase I Inspection Report written by William McCormick and published by . This book was released on 1980 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Star Junction No. 1 dam consists of an earthfill embankment and masonry spillway on the right abutment. The dam has a crest length of 545 feet, a maximum height of 35 feet and a storage volume of 149.3 acre-feet at the spillway crest level. The dam is classified by Corps of Engineers guidelines to be a small size, high hazard structure. Based on the visual observations and the data available, the dam is categorized as being in an unsafe, non-emergency condition. The visual inspection revealed that the masonry spillway on the right abutment has deteriorated to the extent that its structural integrity during extended, large discharge conditions, is questionable.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1980 with total page 230 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 1980-09 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Fairchance Reservoir Dam. (NDI Number PA-00208, PennDER Number 26-70) Ohio River Basin. Fayette County, Commonwealth of Pennsylvania. Phase I. Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Fairchance Reservoir Dam. (NDI Number PA-00208, PennDER Number 26-70) Ohio River Basin. Fayette 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 96 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 Fairchance Reservoir Dam is considered to be fair. This classification id based on: (1) The visual observation of the seeps in the pond drain discharge channel; (2) The presence of growing and fallen trees on the embankment slope; (3) Outlet works pipes through the embankment that have no positive upstream flow controls; and (4) An inadequate spillway capacity. The structure is classified as a small size, high hazard dam for which the Corps of Engineers guidelines require a Spillway Design Flood (SDF). For the observed downstream conditions the Fairchance Reservoir Dam SDF is one half the Probable Maximum Flood (PMF). Spillway capacity is inadequate because the non-over-topping flood discharge capacity, as estimated using the HEC-1 computer program was found to be 4 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 life downstream.
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 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Colonial Dam Number 3, (NDI Number PA-00209, PennDER Number 26-22) Ohio River Basin, Fayette County, Pennsylvania. Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Colonial Dam Number 3, (NDI Number PA-00209, PennDER Number 26-22) Ohio River Basin, Fayette County, Pennsylvania. Phase I Inspection Report written by James P. Hannan and published by . This book was released on 1980 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the investigation is to make a determination on whether or not the dam constitutes a hazard to human life or property.
Book Synopsis National Dam Inspection Program. Heritage Reservation Dam (NDI I.D. Number PA-01142, PennDER I.D. Number 26-101), Ohio River Basin, Little Sandy Creek, Fayette County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Heritage Reservation Dam (NDI I.D. Number PA-01142, PennDER I.D. Number 26-101), Ohio River Basin, Little Sandy Creek, Fayette County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a visual inspection, operational history, and available engineering data, Heritage Reservation Dam is considered to be in excellent condition. The size classification of the facility is intermediate and the hazard classification is considered to be high. In accordance with the recommended guidelines, the Spillway Design Flood (SDF) is considered to be the PMF (Probable Maximum Flood). Results of the hydrologic and hydraulic analysis indicate that the facility is capable of passing and/or storing the PMF without overtopping the dam or dike. Consequently, the spillway is considered adequate.
Book Synopsis National Dam Inspection Program. Crabapple Dam (NDI Number PA 00907, PennDER Number 26-32) Ohio River Basin, Crabapple Run, Fayette County, Pennsylvania. Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Crabapple Dam (NDI Number PA 00907, PennDER Number 26-32) Ohio River Basin, Crabapple Run, Fayette County, Pennsylvania. Phase I Inspection Report written by James P. Hannan and published by . This book was released on 1980 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a review of available design information and visual observations, the general condition of the Crabapple Dam is considered to be poor. Visual observations and hydrology calculations indicate: (1) A possible inadequate margin of safety against slope failure as indicated by slope irregularities and groundwater conditions; (2) 'Inadequate' discharge capacity of the Principal Spillway as determined by using HEC-1 Dam Safety Version computer program; and (3) The lack of accessible control facilities on the outlet works pipelines.
Book Synopsis National Dam Inspection Program. Colonial Dam Number 1. (NDI Number PA-00206, PennDER Number 26-12) Ohio River Basin, Allen Run, Fayette County, Pennsylvania. Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Colonial Dam Number 1. (NDI Number PA-00206, PennDER Number 26-12) Ohio River Basin, Allen Run, Fayette County, Pennsylvania. Phase I Inspection Report written by James P. Hannan and published by . This book was released on 1980 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a review of available design information, engineering analyses, and visual observations of conditions as they existed on the date of the field inspection, the general condition of the Colonial Dam No. 1 is considered to be fair. This assessment is based on visual observations and hydrologic calculations that indicated: (1) that the earth embankment is in good condition, (2) that the principal spillways are in poor physical condition and have 'inadequate' capacity but are not 'seriously inadequate', and (3) the existence of non-serious deficiencies which are considered correctable. 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 dam. Colonial No. 1 Dam's Spillway Design Flood is 1/2 the Probable Maximum Flood (PMF).
Download or read book Languedoc-Roussillon written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Bradford City Number 2 Dam (NDI-PA-00024, PennDER-42-8), Ohio River Basin, Gilbert Run, McKean County, Pennsylvania. Phase I Inspection Report by : C. Y. Chen
Download or read book National Dam Inspection Program. Bradford City Number 2 Dam (NDI-PA-00024, PennDER-42-8), Ohio River Basin, Gilbert Run, McKean County, Pennsylvania. Phase I Inspection Report written by C. Y. Chen and published by . This book was released on 1979 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bradford City No. 2 Dam is a diaphragm earthfill embankment dam with a maximum height of 44 feet and a crest length of 920 feet. Discharge is provided by an uncontrolled chute spillway located at the right abutment. The dam is owned and operated by the Bradford City Water Authority for water supply. The visual inspection and review of engineering data, performed in November 1978 through January 1979, indicate no serious deficiencies requiring emergency attention. The dam was found to be in fair overall condition at the time of inspection. However, the owner should immediately retain a qualified consultant for additional investigation of certain features. Hydraulic/hydrologic evaluations revealed that the spillway will not pass the Probable Maximum Flood (PMF) without overtopping the dam. Further, the spillway is considered 'inadequate' because the spillway will pass approximately 38 percent of the PMF before overtopping and failure is not likely to occur under the 50 percent PMF condition.
Book Synopsis National Dam Inspection Program. Royal Reservoir Dam (NDI Number PA 00220, PennDER Number 26-41), Ohio River Basin, Rowes Run, Fayette County, Pennsylvania. Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Royal Reservoir Dam (NDI Number PA 00220, PennDER Number 26-41), Ohio River Basin, Rowes Run, Fayette County, Pennsylvania. Phase I Inspection Report written by James P. Hannan and published by . This book was released on 1980 with total page 90 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 Royal Reservoir Dam is considered to be poor.
Book Synopsis National Dam Inspection Program. Hutchinson Reservoir Dam Number 2 (NDI-PA-215), Ohio River Basin, Redstone Creek, Fayette County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program. Hutchinson Reservoir Dam Number 2 (NDI-PA-215), Ohio River Basin, Redstone Creek, Fayette 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 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hutchinson Reservoir Dam Number 2 is an earth embankment approximately 560 feet in length with a maximum height of 47 feet. According to available information, the structure was constructed with a concrete core wall that extends across its length from just beneath the crest to a depth 13 feet below the original ground surface. Both the upstream and downstream slopes are covered with hand-placed sandstone riprap. The downstream slope is interrupted by two berms, the lower of which is used as a private road that provides access to the caretaker's residence, as well as to Hutchinson Reservoir Dam Number 1.
Book Synopsis National Dam Inspection Program. Virgin Run Dam (NDS I.D. Number PA-00196, PennDer I.D. Number 26-85), Ohio River Basin, Virgin Run, Fayette County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. Virgin Run Dam (NDS I.D. Number PA-00196, PennDer I.D. Number 26-85), Ohio River Basin, Virgin Run, Fayette County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1979 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Base on a visual inspection, operational history, and available engineering data, the dam is considered to be in fair 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 is the Probable Maximum Flood (PMF). Results of the hydrologic and hydraulic analysis indicate the facility will pass and/or store about 62 percent of the PMF prior to embankment overtopping. Consequently, the spillway is assessed as being inadequate, but not seriously inadequate. Deficiencies noted by the inspection team included heavy overgrowth across the downstream toe, a questionable structural and foundation design associated with the spillway, and an inadequate emergency warning system.
Book Synopsis National Dam Inspection Program. (PA-474 (PA No Name Number 35), NDI Number PA-00249, PennDer Number 43-50, SCS Number PA-474), Ohio River Basin, Saw Mill Run, Mercer County, Pennsylvania. Phase I Inspection Report by : Chuan Yuan Chen
Download or read book National Dam Inspection Program. (PA-474 (PA No Name Number 35), NDI Number PA-00249, PennDer Number 43-50, SCS Number PA-474), Ohio River Basin, Saw Mill Run, Mercer County, Pennsylvania. Phase I Inspection Report written by Chuan Yuan Chen and published by . This book was released on 1979 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: PA 474 (also referred to as PA No Name No. 35) was designed by the U.S. Department of Agriculture, Soil Conservation Service (SCS) for floodwater detention. The dam consists of a zoned earth embankment, a vegetated earth emergency spillway channel, a riser intake with a 36-inch diameter outlet conduit, and a saddle dike located to the right of the main embankment. The crest length of the main embankment is 1640 feet. The maximum height of the dam at the original steambed is 30 feet. The dam crest is at E1. 1264.3 feet and the top width is 14 feet. The inclination of the upstream face is 2.5H;1V (Horizontal to Vertical) with a 10-foot wide berm at E1. 1242 feet. The downstream slope is 2.5h:1V. A filter trench was installed in the downstream prism of the embankment from original Station 4+92 to 9+77. A portion of the filter trench is provided with 6-inch diameter filter drainpipe. The two outlets of the filter drainpipes exit into the impact basin approximately 1 foot downstream of the baffle wall. To the right of the main embankment is a small knoll which separates the saddle dike from the main embankment. This knoll consists primarily of sandy silt (ML) soils and is approximately 540-feet long between the two embankments. The crest length of the dike is 670 feet and the maximum height is 9 feet. The crest width of the homogeneous embankment (dike) is 14 feet. The inclination of both the upstream and downstream slopes of the dike is 2.5h:1V. (Author).
Book Synopsis National Dam Inspection Program. Bradford City Number 3 Dam (NDI-PA-00025, PennDER Number 42-10), Ohio River Basin, Marilla Brook, McKean County, Pennsylvania. Phase I Inspection Report by : C. Y. Chen
Download or read book National Dam Inspection Program. Bradford City Number 3 Dam (NDI-PA-00025, PennDER Number 42-10), Ohio River Basin, Marilla Brook, McKean County, Pennsylvania. Phase I Inspection Report written by C. Y. Chen and published by . This book was released on 1979 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bradford City No. 3 Dam consists of a diaphragm earthfill embankment approximately 47 feet high and 770 feet long. A core wall consisting of mortar and sandstone blocks was constructed in the center of the embankment. The core wall extends 25 feet into each hillside and approximately 9 feet below the original ground surface at the deepest point in the center of the valley. The visual inspections and review of engineering data, performed in November 1978 through February 1979, indicate no serious deficiencies in the embankment requiring emergency attention. The dam was found to be in good overall condition at the time of inspection. However, the inspection revealed certain items of maintenance and rehabilitation necessary for the dam. Hydraulic/hydrologic evaluations revealed that the spillway will not pass the Probable Maximum Flood (PMF) without overtopping the dam. The spillway is considered 'inadequate' because the analysis indicated the spillway will pass a maximum of 45 percent of the PMF before overtopping the dam, and failure of the dam is not likely to occur under 50 percent PMF conditions.
