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National Dam Inspection Program Boydstown Dam Ndi Number Pa 00270 Penn Der Number 10 1 Ohio River Basin Connoquenessing Creek Butler County Pennsylvania Phase I Inspection Report
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Book Synopsis National Dam Inspection Program. Boydstown Dam (NDI Number PA-00270 Penn DER Number 10-1), Ohio River Basin, Connoquenessing Creek, Butler County, Pennsylvania. Phase I Inspection Report by : Chuan Yuan Chen
Download or read book National Dam Inspection Program. Boydstown Dam (NDI Number PA-00270 Penn DER Number 10-1), Ohio River Basin, Connoquenessing Creek, Butler County, Pennsylvania. Phase I Inspection Report written by Chuan Yuan Chen and published by . This book was released on 1979 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Boydstown Dam is a diaphragm earthfill embankment approximately 28 feet high (maximum) and 330 feet long. The spillway is located at the left abutment of the dam. It is uncontrolled, and the broad-crested weir is 60 feet long (perpendicular to flow). An analysis indicated that the spillway will pass only 30 percent of the required Probable Maximum Flood before overtopping will occur. As a result of this analysis and others, the spillway is considered 'seriously inadequate.' The overall condition of the dam was assessed to be very poor because the upper half of the spillway is in such a deteriorated condition that significant damage to the structure may occur if large flows were to pass through the spillway. In addition, several features of the dam do not meet current design standards; the 7 foot crest width, the lack of an internal drainage system, the absence of positive cut-offs along the outlet and water supply pipes, and the lack of information concerning the details and condition of the outlet works.
Book Synopsis National Dam Inspection Program. Lake Oneida Dam, NDI Number PA-272. Ohio River Basin, Connoquesnessing Creek, Butler County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program. Lake Oneida Dam, NDI Number PA-272. Ohio River Basin, Connoquesnessing Creek, Butler 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 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Oneida Dam is an earthfill embankment with a concrete corewall and a steel sheetpile cutoff. The overall length of the embankment is approximately 830 feet and its maximum height is approximately 38 feet. The facility is equipped with a concrete spillway at the right abutment and 30-inch diameter blow-off and supply lines encased in concrete beneath the embankment. The lines are gated in a control tower located within the upstream slope near the embankment center. Access to the gate house is provided by a foot bridge.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1980 with total page 232 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 1980 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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. PA-482 Dam (NDI I.D. Number PA-469, DER I.D. Number 63-72), Ohio River Basin, Tributary of Harmon Creek, Washington County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. PA-482 Dam (NDI I.D. Number PA-469, DER I.D. Number 63-72), Ohio River Basin, Tributary of Harmon Creek, Washington County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1979 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The PA-482 dam is one of the 14 flood control projects in the Harmon Creek watershed. The dam consists of an earth embankment approximately 460 feet long with a maximum height of 38 feet from the downstream toe and a crest width of 14 feet. The flood discharge facilities for the dam consist of a drop inlet primary spillway located at the center of the embankment and an emergency spillway on the left abutment (looking downstream). The primary spillway structures consist of a two-stage reinforced concrete riser, a 24-inch-diameter reinforced concrete conduit, and a reinforced concrete impact basin at the downstream end of the outlet pipe. The emergency spillway is a 200-foot-wide trapezoidal earth channel excavated into the left abutment. The reservoir outlet for the dam consists of a 15-inch steel pipe extending from the upstream toe of the dam to the drop inlet structure. Flow through the reservoir outlet is controlled by a manually operated sluice gate lcoated in the drop inlet structure.
Book Synopsis National Dam Inspection Report. Treesdale Farm Dam, Butler County, Commonwealth of Pennsylvania (NDI Number PA 01069, PennDER Number 10-26), Ohio River Basin, Breakneck Creek, Butler County, Pennsylvania. Phase I Inspection Report by : ACKENHEIL AND ASSOCIATES GEO SYSTEMS INC PITTSBURGH PA.
Download or read book National Dam Inspection Report. Treesdale Farm Dam, Butler County, Commonwealth of Pennsylvania (NDI Number PA 01069, PennDER Number 10-26), Ohio River Basin, Breakneck Creek, Butler County, Pennsylvania. Phase I Inspection Report written by ACKENHEIL AND ASSOCIATES GEO SYSTEMS INC PITTSBURGH PA. and published by . This book was released on 1981 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: Synopsis of Assessment and Recommendations; Project Information; Engineering Data; Visual Inspection; Operational Features; Hydrology and Hydraulics; Structural Stability; and Assessment and Recommendations.
Book Synopsis National Dam Inspection Program. Polk Dam (NDI Number PA-00253, PennDER Number 61-7), Ohio River Basin, Piffer Run of Little Sandy Creek, Venango County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Inspection Program. Polk Dam (NDI Number PA-00253, PennDER Number 61-7), Ohio River Basin, Piffer Run of Little Sandy Creek, Venango County, Pennsylvania. Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1980 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polk Dam is owned by the Polk State School and Hospital and 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 not pass the 100-year flood without overtopping the dam. 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 Polk Dam. The 100-year flood was chosen as the SDF. During the 100-year flood, the dam is overtopped by a maximum of 0.61 foot for a duration of 1.50 hours. The spillway is therefore considered '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. Several items of remedial work should be performed by the owner without delay.
Book Synopsis National Dam Inspection Program. PA-647 Dam (NDI ID Number PA-812, DER ID Number 63-76), Ohio River Basin, Robinson Fork, Washington County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. PA-647 Dam (NDI ID Number PA-812, DER ID Number 63-76), Ohio River Basin, Robinson Fork, Washington County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1979 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The PA-647 dam is one of the seven flood control structures in the Wheeling Creek watershed. The dam consists of an earth embankment approximately 500 feet long with a maximum height of 95 feet from the downstream toe and a crest width of 15 feet. The flood discharge facilities for the dam consist of a drop inlet type primary spillway located near the left abutment (looking downstream) and an emergency spillway on the right abutment. Based on the evaluation of the conditions as they existed on the dates of inspection and as revealed by visual observations, the condition of PA-647 dam is considered to be good. The spillway capacity is classified to be adequate according to the recommended criteria.
Book Synopsis National Dam Inspection Program. Thorn Run Dam, NDI Number PA-271. Ohio River Basin, Thorn Creek, Butler County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program. Thorn Run Dam, NDI Number PA-271. Ohio River Basin, Thorn Creek, Butler 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 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Periodic state inspection reports reveal the dam has been adequately maintained over the years. In fact, the majority of these reports state its general appearance to be good. The inspection reports, however, clearly document what appeared to be a steadily deteriorating condition relative to the concrete. Leaks at various locations along the spillway have also been ovbserved but apparently were never considered significant. In addition, minor settlement of the embankment crest near the spillway was also mentioned. Records indicate that consideration was given to the construction of a new facility around 1960. Subsurface investigations of the dam site and proposed borrow areas were performed, but construction was not undertaken. Thus the facility in existence today is virtually the same one constructed in 1903.
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 1980-03 with total page 904 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. PA-479 Dam (NDI ID Number PA-509, DER ID Number 63-71), Ohio River Basin, Harmon Creek, Washington County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. PA-479 Dam (NDI ID Number PA-509, DER ID Number 63-71), Ohio River Basin, Harmon Creek, Washington County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1979 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: The PA-479 dam is one of the 14 flood control projects in the Harmon Creek watershed. The dam consists of an earth embankment approximately 650 feet long with a maximum height of 63 feet from the downstream toe and a crest width of 14 feet. The flood discharge facilities for the dam consist of a drop inlet primary spillway located near the left abutment (looking downstream) and an emergency spillway, also located on the left abutment. Based on the evaluation of the conditions as they existed on the dates of inspection and as revealed by visual observations, the condition of PA-479 dam is assessed to be good. The spillway capacity is classified as adequate according to the recommended criteria.
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. Moraine State Park Dam (NDI PA-273), Ohio River Basin, Muddy Creek, Butler County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program. Moraine State Park Dam (NDI PA-273), Ohio River Basin, Muddy Creek, Butler 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 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Moraine State Park Dam is a zoned earthfill embankment approximately 1,933 feet long, including a 60-foot concrete ogee spillway section, with a maximum height of 55 feet. The facility is serviced with an uncontrolled ogee-crested concrete spillway discharging into a concrete stilling basin 60 feet wide and 52 feet long. In addition, the facility is equipped with an outlet works located through the concrete ogee spillway which consists of a 72-inch sluice gate and a 12-inch bypass pipe for downstream low flow augmentation without operating the sluice gate. Operation of the sluice gate and bypass piping and access to the Outlet Chamber is from the control building situated on the crest of the embankment and adjacent to the east side of the spillway.
Book Synopsis National Dam Inspection Program. Meadville Dam (NDI Number PA-00177, PennDER Number 20-48. SCS Number PA-460), Ohio River Basin, Mill Run, Crawford County, Pennsylvania. Phase I Inspection Report by : Chuan Yuan Chen
Download or read book National Dam Inspection Program. Meadville Dam (NDI Number PA-00177, PennDER Number 20-48. SCS Number PA-460), Ohio River Basin, Mill Run, Crawford County, Pennsylvania. Phase I Inspection Report written by Chuan Yuan Chen and published by . This book was released on 1979 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meadville Dam, locally known as Rainbow Lake, is a zoned earthfill dam with a crest height of 40 feet and an embankment length of 420 feet. The upstream face has a slope of 3H:1V (Horizontal to Vertical) with a 10-foot wide berm at E1. 1164.0 feet. This berm provides access to the riser unit. The downstream face has a slope of 2H:1V. The crest of the embankment is 15 feet wide. A cutoff trench is provided in the embankment, with a minimum depth of 3 feet and a bottom width of 12 feet. The protective dike around adjacent Meadville High School is also a zoned earthfill embankment. The upstream face near the auxiliary spillway has a slope of 3H:1V and the downstream face has a slope of 2H:1V. After a transition section at original Station 12+00, both the upstream and downstream slopes are 5H:1V. The dike has an approximate crest length of 1335 feet (excluding the auxiliary spillway).
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 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.
