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National Dam Inspection Program Ebensburg Storage Dam Ndi Id Number Pa 00442 Der Id Number 11 61 Ohio River Basin Moores Woods Run Howells Run Cambria County Pennsylvania Phase I Inspection Reports
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Book Synopsis National Dam Inspection Program. Ebensburg Storage Dam (NDI ID Number PA-00442, DER ID Number 11-61), Ohio River Basin (Moores Woods Run) Howells Run, Cambria County, Pennsylvania. Phase I Inspection Reports by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Ebensburg Storage Dam (NDI ID Number PA-00442, DER ID Number 11-61), Ohio River Basin (Moores Woods Run) Howells Run, Cambria County, Pennsylvania. Phase I Inspection Reports written by Lawrence D. Andersen and published by . This book was released on 1980 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the evaluation of the conditions, Ebensburg Storage Dam is considered to be unsafe/nonemergency due to the presence of slumps and wet areas on the downstream slope of the dam. Detailed investigation of the dam to control the seepage and slumping on the downstream face of the dam is recommended. It is reported that the outlet pipe gate has not been operated in the recent past. It is therefore recommended that the owner evaluate the operational condition of the pipe gate and perform the necessary maintenance.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1980 with total page 212 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 199? with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Howells Run Dam (ID Number PA 434), Ohio River Basin, Howells Run, Cambria County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS PITTSBURGH PA.
Download or read book National Dam Inspection Program. Howells Run Dam (ID Number PA 434), Ohio River Basin, Howells Run, Cambria 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 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: Howells Run Dam consists of an earth embankment 670 feet long with a maximum height of 63 feet from the downstream toe. A 50-foot-wide concrete chute spillway located on the right abutment (looking downstream) serves as both primary and emergency spillway for the reservoir. Based on the evaluation of the conditions as they existed on the dates of inspection (May 16 and 30, 1978) and as revealed by visual observations, the condition of Howells Run Dam is assessed to be good. The spillway has the recommended capacity to pass the probable maximum flood. Therefore, the spillway is adequate. Operation of the outlet pipe gate was not observed. The owner reports that the gate has never been operated and therefore its operational condition is questionable. It is recommended that the owner monitor the uncontrolled seeps on each side of the spillway channel and take necessary remedial measures if seeps are found to be increasing.
Book Synopsis National Dam Inspection Program. Storage Dam (NDI I.D. Number PA-388 DER I.D. Number 24-47), Ohio River Basin, Whetstone Branch of Little Toby Creek, Elk County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Anderson
Download or read book National Dam Inspection Program. Storage Dam (NDI I.D. Number PA-388 DER I.D. Number 24-47), Ohio River Basin, Whetstone Branch of Little Toby Creek, Elk County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Anderson and published by . This book was released on 1979 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Storage Dam consists of an earth embankment approximately 500 feet long with a maximum height of 36 feet from the downstream toe and a crest width of approximately 15 feet. The appurtenant structures of the dam consist of a combined primary and emergency spillway located on the left abutment (looking downstream) and outlet works near the right abutment. Based on the evaluation of the existing conditions, the condition of Storage Dam is considered to be good. Numerous seeps were observed along the left abutment, but these seeps are not considered to be a threat to the integrity of the embankment. However, a slump and an associated wet area were observed along the toe of the dam near the left abutment. This condition should be investigated and necessary repairs performed. The flood discharge capacity of the Storage Dam spillway was evaluated according to the recommended procedure and it was found to be 40 percent of the probable maximum flood (PMF) without overtopping the embankment. Therefore, according to the recommended criteria, the flood discharge capacity of the dam is classified to be inadequate.
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 1980-05 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Hinckston Run Dam (NDS I.D. Number PA-00430, PennDer I.D. Number 11-9), Ohio River Basin, Hinckston Run, Cambria County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. Hinckston Run Dam (NDS I.D. Number PA-00430, PennDer I.D. Number 11-9), Ohio River Basin, Hinckston Run, Cambria County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1979 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a visual inspection, review of post-construction engineering studies, and available engineering data, the Hinckston Run Dam is considered to be in good condition. Deficiencies were limited to general deterioration of the concrete spillway section, and apparent inoperability of the valves within the intake tower. 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) for the facility is the Probable Maximum Flood (PMF). Results of the hydrologic and hydraulic analysis indicate the facility can pass and/or store about 38 percent of the PMF prior to overtopping of the embankment. Overtopping, even under floods of PMF magnitude, is not expected to cause failure of the unusually massive embankment configuration which is composed of erosion-resistant, hot-poured slag. Thus, the spillway system is considered to be inadequate, but not seriously inadequate.
Book Synopsis National Dam Inspection Program. Shirf's Run Dam. Ohio River Basin, Unnamed Tributary of North Branch Blacklick Creek, Cambria County, Pennsylvania (NDI I.D. Number PA-00438, DER I.D. Number 11-71). Phase I Inspection Report by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Shirf's Run Dam. Ohio River Basin, Unnamed Tributary of North Branch Blacklick Creek, Cambria County, Pennsylvania (NDI I.D. Number PA-00438, DER I.D. Number 11-71). Phase I Inspection Report written by Lawrence D. Andersen and published by . This book was released on 1980 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shirf's Run Dam consists of an earth embankment approximately 320 feet long with a maximum height of 15 feet from the downstream toe and a crest width of 10 feet. The upstream side of the dam is protected by riprap and the downstream slope is covered with grass. The spillway discharge facilities for the dam consist of an earth channel located at the right abutment. The outlet facilities consist of a 12-inch cast-iron pipe encased in concrete through the embankment. Based on the evaluation of the existing conditions, the condition of Shirf's Run dam is considered to be good. The only condition noted which requires attention is the lack of adequate erosion protection on the left side of the emergency spillway channel against the embankment. This condition is considered to pose breach potential in the event of large flows through the spillway. The flood discharge capacity of the dam was evaluated according to the recommended procedure and was found to pass approximately 50 percent of the probable maximum flood (PMF) without overtopping the embankment.
Book Synopsis National Dam Inspection Program. Bear Rock Number 2 Dam (NDI I.D. Number PA-0441, DER I.D. Number 11-3) Ohio River Basin, Bear Rock Run, Cambria County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Bear Rock Number 2 Dam (NDI I.D. Number PA-0441, DER I.D. Number 11-3) Ohio River Basin, Bear Rock Run, Cambria County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Andersen and published by . This book was released on 1980 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bear Rock No. 2 Dam consists of an earth embankment approximately 760 feet long with a maximum height of about 42 feet from the downstream toe and a crest width of about 6 feet. The crest and upstream and downstream faces of the dam are covered with riprap. The flood discharge facilities of the dam consist of a 33-ft. rectangular stone masonry overflow spillway located on the left abutment (looking downstream). The spillway is 33 feet wide and about 4 feet deep at the control section and uniformly converges into the spillway discharge channel. The spillway discharge channel is a stone masonry chute, which terminates at a plunge pool. A dike along the right side of the spillway discharge channel is provided to prevent flow towards the toe of the dam. The outlet facilities consist of a 16-inch cast-iron blow-off pipe and a 12-inch cast-iron supply pipe. Based on the evaluation of the existing conditions, the condition of Bear Rock No. 2 Dam is considered to be unsafe/nonemergency. The structural condition of the embankment is considered to be good. The spillway capacity was evaluated according to the recommended procedure and was found to pass 30 percent of the probable maximum flood (PMF) without overtopping the embankment.
Book Synopsis National Dam Inspection Program. Little Blue Run Dam (NDI ID Number PA 917, DER ID Number 4-49), Ohio River Basin, Little Blue Run, Beaver County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Anderson
Download or read book National Dam Inspection Program. Little Blue Run Dam (NDI ID Number PA 917, DER ID Number 4-49), Ohio River Basin, Little Blue Run, Beaver County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Anderson and published by . This book was released on 1979 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the evaluation of the existing conditions on March 14 and April 16, 1979, the condition of Little Blue Run Dam is considered to be good. No conditions were noted at this time that would significantly affect the structural performance of the dam. The flood discharge facilities for the dam were designed to pass the probable maximum flood (PMF) without overtopping the embankment. Therefore, according to the recommended criteria, the flood discharge facilities of the dam are adequate. Presently, the pool elevation is approximately 170 feet below the dam crest level. The pool elevation is expected to reach spillway crest level in about the year 2010. The following recommendations should be implemented on a continuing basis: (1) The cracking observed on the crest should continue to be evaluated by the design engineers. Also, attention should be given to the slump and seepage observed on the left abutment. Erosion ditches on the right abutment should be filled; and (2) A formal warning system should be developed to alert the downstream residents in the event of emergencies.
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. Bear Rock Number 1 Dam (NDI I.D. Number PA-00439, DER I.D. Number 11-2), Ohio River Basin, Bear Rock Run, Cambria County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Bear Rock Number 1 Dam (NDI I.D. Number PA-00439, DER I.D. Number 11-2), Ohio River Basin, Bear Rock Run, Cambria County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Andersen and published by . This book was released on 1980 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bear Rock No. 1 Dam consists of an earth embankment approximately 560 feet long with a maximum height of about 26 feet from the downstream toe and a crest width of about 8 feet. The upstream and downstream faces and crest of the dam are covered with riprap. The flood discharge facilities of the dam consist of a stone masonry structure with a flow width of 58 feet. The discharge from the spillway flows into an unprotected discharge channel which follows the left side of the valley. A dike is provided along the right side of the spillway discharge channel to prevent flows towards the toe of the dam. The outlet facilities consist of a 16-inch cast-iron blow-off pipe and 10- and 12-inch cast-iron supply pipes. Based on the evaluation of the existing conditions, the condition of Bear Rock No. 1 Dam is considered to be unsafe/nonemergency due to the seriously inadequate spillway capacity (30% of PMF). The condition of the embankment is considered to be fair.
Book Synopsis National Dam Inspection Program. Williams Run Dam (NDI ID 432), Ohio River Basin, Williams Run, Cambria, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Williams Run Dam (NDI ID 432), Ohio River Basin, Williams Run, Cambria, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1978 with total page 70 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 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. Colver Dam (NDI I.D. PA-0437, DER I.D. 11-20), Ohio River Basin, North Branch Blacklick Creek, Cambria County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Colver Dam (NDI I.D. PA-0437, DER I.D. 11-20), Ohio River Basin, North Branch Blacklick Creek, Cambria County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is classified as a small dam in the significant hazard category. In view of the size of the dam which is closer to the lower limit of the small size classification, the 100-year flood was selected as the spillway design flood. The 100-year flood peak was determined according to the recommended procedure and was found to be in excess of the spillway capacity. Therefore, the capacity of the spillway is classified as inadequate. The following recommendations should be implemented immediately on continuing basis: (1) The owner should determine the nature and extent of modifications needed and implement these measures to provide adequate spillway capacity; (2) Around-the- clock surveillance should be provided during unusally heavy rainfall and/or runoff. In addition, a formal warning system should be developed to alert downstream residents in the event of an emergency; and (3) The owner should develop and follow a formal operating and maintenance plan and should inspect the dam regularly.
Book Synopsis National Dam Inspection Program. Bigan Dam (NDI ID Number PA-237, DER ID Number 56-94), Ohio River Basin, Sandy Run, Somerset County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Bigan Dam (NDI ID Number PA-237, DER ID Number 56-94), Ohio River Basin, Sandy Run, Somerset County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bigan Dam appears to be in poor condition and modifications to the dam have apparently been in progress for several years. The reservoir pool is maintained at a reduced level due to a directive from the Commonwealth pending the completion of design modifications to the structure. Due to the questionable condition of the earthen embankment section near the right abutment, the static stability of the structure is questionable. The spillway for the dam is a temporary structure, and a new spillway is planned at the dam. The owner should be urged to complete the construction of the facility as soon as possible. The completion of the structure should include an assessment of the earthen embankment section near the right abutment, and the stability of the section should be evaluated.
Book Synopsis National Dam Inspection Program. Doverspike Number 2 Dam (NDI I.D. PA-00810, DER I.D. 33-57), Ohio River Basin, Caylor Run, Jefferson County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Doverspike Number 2 Dam (NDI I.D. PA-00810, DER I.D. 33-57), Ohio River Basin, Caylor Run, Jefferson County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Andersen and published by . This book was released on 1980 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The condition of Doverspike No. 2 Dam is considered to be good, except that the dam has no outlet works and no formally engineered spillway facilities. A low spot on the crest of the dam located at the junction of the embankment and the right abutment appears to be the intended spillway overflow section. On the dates of inspection, the pool level was found to be approximately 5 feet below the low spot on the crest of the dam, and as reported by the representative of the owner, the pool is normally maintained at that level by seepage and evaporation losses from the reservoir. According to the recommended criteria, intermediate size dams in the significant hazard category are required to pass from 50 percent of the probable maximum flood (PMF) to full PMF. In view of the downstream damage potential, the lower limit of the recommended range is considered to be applicable to this dam. The flood discharge capacity was evaluated according to the recommended procedure and the dam was found to impound less than 20 percent of the PMF without overtopping the embankment. Therefore, the flood discharge capacity of the dam is classified to be inadequate.
