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National Dam Inspection Report Lake Ondawa Dam Ndi Id Number Pa 517 Der Id Number 8 28 Susquehanna River Basin Tributary Bentley Creek Bradford County Pennsylvania Phase I Inspection Report
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Book Synopsis National Dam Inspection Report. Lake Ondawa Dam (NDI ID Number PA-517 DER ID Number 8-28) Susquehanna River Basin, Tributary Bentley Creek, Bradford County, Pennsylvania. Phase I Inspection Report by : R. Jeffrey Kimball
Download or read book National Dam Inspection Report. Lake Ondawa Dam (NDI ID Number PA-517 DER ID Number 8-28) Susquehanna River Basin, Tributary Bentley Creek, Bradford County, Pennsylvania. Phase I Inspection Report written by R. Jeffrey Kimball and published by . This book was released on 1981 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Lake Ondawa Dam is an earthfill dam, 50 feet long and 18 feet high. The dam is located on a tributary to Bentley Creek, approximately 0.3 mile northwest of the Village of Big Pond, Springfield Township, Bradford County, Pennsylvania. The inspection consisted of: Visual inspection of the retaining structure, abutments and toe; Examination of the spillway facilities, exposed portion of any outlet works and other appurtenant works; Observations affecting the runoff potential of the drainage basin; and Evaluation of the downstream area hazard potential. The dam appeared to be in fair condition. From a brief survey conducted during the inspection, it was noted that the low spot on the top of dam existed adjacent to either edge of the spillway on the retaining walls. The earthen embankment section rises gently from the spillway to either abutment.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Ridgebury Lake Dam, (NDI I.D. Number PA-00727, PennDER I.D. Number 8-57) Susquehanna River Basin, Tributary to Fall Creek, Bradford County, Pennsylvania. Phase I Inspection Report by : Bernard M. Michalcin
Download or read book National Dam Inspection Program. Ridgebury Lake Dam, (NDI I.D. Number PA-00727, PennDER I.D. Number 8-57) Susquehanna River Basin, Tributary to Fall Creek, Bradford County, Pennsylvania. Phase I Inspection Report written by Bernard M. Michalcin and published by . This book was released on 1980 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a visual inspection, operational history, and available engineering data, the facility is considered to be in good condition. The size classification of the facility is intermediate 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 PMF (Probable Maximum Flood). Results of the hydrologic and hydraulic analysis indicate the facility will pass and/or store only about 45 percent of the PMF prior to embankment overtopping. A breach analysis indicates that failure under less than 1/2 PMF conditions could lead to increased downstream damage and potential for loss of life. Thus, based on screening criteria provided in the recommended guidelines, the spillway is considered to be seriously inadequate and the facility unsafe, non-emergency. Calculations also indicate that if the spillway were constructed in accordance with available desing drawings, the facility could pass and/or store approximately 63 percent of the PMF.
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 948 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 1981 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Sugar Creek Dam (NDI ID Number PA-728, DER ID Number 8-53), Susquehanna River Basin, South Branch Sugar Creek, Bradford County, Pennsylvania. Phase I Inspection Report by : R. Jeffrey Kimball
Download or read book National Dam Inspection Program. Sugar Creek Dam (NDI ID Number PA-728, DER ID Number 8-53), Susquehanna River Basin, South Branch Sugar Creek, Bradford County, Pennsylvania. Phase I Inspection Report written by R. Jeffrey Kimball and published by . This book was released on 1981 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The assessment of Sugar Creek 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. The inspection and review of Sugar Creek Dam did not reveal any problems which would require emergency action. The dam appears to be in fair condition and in need of minor maintenance. The Sugar Creek Dam is a high hazard-small size dam. The spillway design flood (SDF) for a dam of this size and classification is 1/2 PMF to PMF. The PMF has been selected as the spillway design flood based on the downstream potential for loss of life. The spillway and reservoir are considered capable of controlling approximately 50% of the PMF. The 0.1 feet of overtopping of the embankment crest during the 1/2 PMF event for a duration of 1 hour was not considered sufficient to cause failure of the structure. Based on the judgement of the evaluating engineer, the location and duration of the overtopping as well as the existence of a concrete curb on the upstream and downstream edge of the embankment crest would sufficiently contain the overtopping to the spillway area minimizing damage to the embankment and spillway. The spillway is considered inadequate.
Book Synopsis National Dam Inspection Report. Summit Lake Dam (NDI ID Number PA-00291) (DER-ID Number 35-26) Susquehanna River Basin, Summit Lake Creek, Lackawanna County, Pennsylvania. Phase I Inspection Report by : GANNETT FLEMING CORDDRY AND CARPENTER INC HARRISBURG PA.
Download or read book National Dam Inspection Report. Summit Lake Dam (NDI ID Number PA-00291) (DER-ID Number 35-26) Susquehanna River Basin, Summit Lake Creek, Lackawanna County, Pennsylvania. Phase I Inspection Report written by GANNETT FLEMING CORDDRY AND CARPENTER INC HARRISBURG PA. and published by . This book was released on 1979 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on visual inspection, available records, calculations and past operational performance, and according to criteria established for these studies, Summit Lake Dam is rated as unsafe, nonemergency, because the spillway capacity is seriously inadequate. The existing spillway can pass 26 percent of the Probable Maximum Flood (PMF) without overtopping of the dam. The failure of the dam would cause an increased hazard to loss of life downstream. As a whole, the dam is judged to be in fair condition. If the top of the dam were raised 0.1 foot to its design elevation, the spillway could pass 27 percent of the PMF. The spillway capacity would still be rated as seriously inadequate. There is no evidence of stability problems with the embankment. The masonry gravity section of the embankment has no significant deviations from the OCE guideline for stability, since the toe pressure is well below the allowable.
Book Synopsis National Dam Inspection Program. Cooks Pond Dam (NDI I.D. PA-0041 DER I.D. 008-035) Susquehanna River Basin, Tributary of Beaver Creek, Bradford County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Cooks Pond Dam (NDI I.D. PA-0041 DER I.D. 008-035) Susquehanna River Basin, Tributary of Beaver Creek, Bradford County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1981 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the evaluation of the existing conditions, the condition of Cooks Pond Dam is considered to be unsafe/nonemergency due to the seriously inadequate spillway capacity and structural deficiencies. The condition of the embankment is considered to be poor. The dam is old and in a general state of disrepair. The crest of the dam is irregular and the center of the dam appears to have settled. The stone wall along the downstream toe is irregular and bulging. The toe of the wall is swampy, caused by a general underseepage. In view of these observations, the overall stability of the dam is considered to be questionable, requiring further investigation and implementation of measures to improve the stability of the dam. The spillway capacity was evaluated according to the recommended procedure and was found to pass less than 10 percent of the Probable Maximum Flood (PMF) without overtopping the embankment. This capacity is less than the required spillway capacity of one-half PMF relative to the size and hazard classification of the dam. Because the spillway capacity is less than 50 percent of the PMF and it is estimated that failure of the dam due to overtopping would significantly increase the downstream hazard of loss of life compared to that which would exist just before failure, the spillway is considered to be seriously inadequate, and consequently the condition of the dam is considered to be unsafe/nonemergency.
Book Synopsis National Dam Inspection Report. Roscoe Burgess Dam (NDI ID Number PA-357, DER ID Number 57-37), Susquehanna River Basin, Kings Creek, Sullivan County, Pennsylvania. Phase I Inspection Report by : R. Jeffrey Kimball
Download or read book National Dam Inspection Report. Roscoe Burgess Dam (NDI ID Number PA-357, DER ID Number 57-37), Susquehanna River Basin, Kings Creek, Sullivan County, Pennsylvania. Phase I Inspection Report written by R. Jeffrey Kimball and published by . This book was released on 1981 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is located on Kings Creek, approximately 4 miles north of the Village of Estella, Elkland Township, Sullivan County, Pennsylvania. The Roscoe Burgess Dam can be located on the Overton U.S.G.S. 7.5 minute quadrangle. The onsite inspection of the Roscoe Burgess Dam consisted of: (1) Visual inspection of the retaining structure, abutments and toe. (2) Examination of the spillway facilities, exposed portion of any outlet works and other appurtenant works. (3) Observations affecting the runoff potential of the drainage basin. (4) Evaluation of the downstream area hazard potential. In general, the dam and appurtenant structures appear to be in fair condition. No major erosion areas were observed during the inspection. No seepage was observed along the downstream slope of the structure or along the toe area. Dense brush exists along the downstream slope of the structure and hampered attempts at close visual inspection of the downstream slope and toe area. The brush and small trees on the downstream slope and in the area of the toe of the dam should be removed under the direction of a registered professional engineer. Once the slope and toe area are cleared, the area should be reinspected to verify that no seepage existed at the structure. No drainline was observed at the structure. This is considered a deficiency in some means should be provided to drain the reservoir.
Book Synopsis National Dam Inspection Program. Saxe Pond Dam (NDI I.D. Number PA-729, DER ID Number 8-10) Susquehanna River Basin. North Branch Mehoopany Creek, Bradford County, Pennsylvania. Phase I Inspection Report by : R. Jeffrey Kimball
Download or read book National Dam Inspection Program. Saxe Pond Dam (NDI I.D. Number PA-729, DER ID Number 8-10) Susquehanna River Basin. North Branch Mehoopany Creek, Bradford County, Pennsylvania. Phase I Inspection Report written by R. Jeffrey Kimball and published by . This book was released on 1981 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is located approximately 2 miles northwest of the Village of Colley, Wilmot Township, Bradford County, Pennsylvania. The inspection consisted of: Visual inspection of the retaining structure, abutments and toe; Examination of the spillway facilities, exposed portion of any outlet works and other appurtenant works; Observations affecting the runoff potential of the drainage basin; and Evaluation of the downstream area hazard potential. The dam appears to be in good condition and adequately maintained. From a brief survey conducted during the inspection, it was noted that the low spot on the crest of the dam exits at the top left edge of the spillway crest. It was observed during the inspection that a new concrete cap had been placed on the structure. The concrete appeared to be in good condition. The dam was constructed with dry rubble masonry with an upstream earthfill. No concrete exists on the downstream face of the structure or on the bench located along the downstream face of the structure. The rubble masonry appeared to be in good condition and well maintained.
Book Synopsis National Dam Inspection Program. PA-467 Dam (NDI I.D. Number PA-00054, DER I.D. Number 58-131, SCS I.D. Number PA-467) Susquehanna County Commissioners, Susquehanna River Basin, Tributary to Martins Creek. Susquehanna County, Pennsylvania. Phase I Inspection Report by : Frederick Futchko
Download or read book National Dam Inspection Program. PA-467 Dam (NDI I.D. Number PA-00054, DER I.D. Number 58-131, SCS I.D. Number PA-467) Susquehanna County Commissioners, Susquehanna River Basin, Tributary to Martins Creek. Susquehanna County, Pennsylvania. Phase I Inspection Report written by Frederick Futchko and published by . This book was released on 1979 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam consists of a zoned, earthfill embankment that is 590 feet long and 52 feet high at its maximum section. The main spillway is a drop spillway located near the right abutment of the dam. It consists of a concrete riser connected to a 30-inch diameter reinforced concrete pipe under the embankment. The auxiliary spillway is an excavated channel along the left abutment of the dam. It is a grass-linked excavation in earth. Based on visual inspection, available records, calculations and past operational performance, PA-467 Dam is judged to be in good condition. The existing spillway can pass the Probable Maximum Flood(PMF) without overtopping of the dam. The spillway capacity is rated as adequate. There is a slope stability analysis for the embankment, and it indicates that the embankment has adequate factors of safety. There is no evidence of significant problems threatening the embankment.
Book Synopsis National Dam Inspection Program. Lake Sophia Dam (NDI ID PA-0078, DER ID 058-126), Susquehanna River Basin, Tributary of Choconut Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Lake Sophia Dam (NDI ID PA-0078, DER ID 058-126), Susquehanna River Basin, Tributary of Choconut Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1981 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Sophia Dam consists of an earth embankment approximately 340 feet long with a maximum height of 29 feet from the downstream toe and a crest width of 9 feet. The upstream side of the dam is protected by a small amount of riprap and the downstream face is covered with grass. The flood discharge facilities for the dam consist of a concrete open-channel spillway located near the left abutment. The outlet facilities consist of a 12-inch-diamenter corrugated metal pipe extending through the embankment along the original streambed. Based on the evaluation of existing conditions, the condition of Lake Sophia Dam is considered to be unsafe/nonemergency due to seriously inadequate spillway capacity. The flood discharge capacity was evaluated according to to the recommended procedure and was found to pass approximately 15 percent of the PMF without overtopping the dam. Results of the breach analysis indicate that downstream damage would be significantly increased due to a dam failure.
Book Synopsis National Dam Inspection Program. Bel-Air Lake Dam (NDI I.D. PA-0066, DER I.D. 058-116), Susquehanna River Basin, Tributary of Snake Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Bel-Air Lake Dam (NDI I.D. PA-0066, DER I.D. 058-116), Susquehanna River Basin, Tributary of Snake Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The condition of Bel-Air Lake Dam is considered to be unsafe/ nonemergency due to a seriously inadequate spillway capacity. The overall condition of the dam is considered to be fair. Although at this time no signs of significant distress were observed, it appears that the center of the dam has significantly settled. The design drawings show the design freeboard to be five feet, but the available freeboard is only approximately two feet. It also appears that fill has been placed on the downstream slope, increasing the crest width from the design value of 10 feet to about 30 feet near the center line of the dam and greater than 50 feet near the left abutment. The dam has no functional low level outlet facility.
Book Synopsis National Dam Inspection Program. Steinhauer Dam (NDI Number PA 00947, PennDER Number 8-64), Susquehanna River Basin, Unnamed Tributary of Roaring Run, Bradford County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Inspection Program. Steinhauer Dam (NDI Number PA 00947, PennDER Number 8-64), Susquehanna River Basin, Unnamed Tributary of Roaring Run, Bradford County, Pennsylvania. Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1981 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 capacity is less than the peak inflow to the impoundment during the 100-year flood. 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 Steinhauer Dam. Because the dam is on the low end of the 'Small' size category in terms of storage capacity and height, the 100-year flood was chosen as the SDF. The spillway will not pass the SDF without overtopping the dam. The spillway is therefore considered inadequate.
Book Synopsis National Dam Inspection Program. Longford Lake Dam (NDI ID Number PA- 00898, DER ID Number 58-137), Susquehanna River Basin, Tributary to Choconut Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Longford Lake Dam (NDI ID Number PA- 00898, DER ID Number 58-137), Susquehanna River Basin, Tributary to Choconut Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: The visual inspection and review of available design and construction data indicate that Longford Lake Dam is in good condition. In accordance with the guidance provided, the spillway design flood (SDF) ranges between 1/2 the PMF and the full PMF. Based on the size and extent of downstream hazard for the dam, the SDF selected for this facility was the PMF. The hydrologic and hydraulic computations indicate that the combination of reservoir storage and spillway discharge capacity will pass 88% of the PMF prior to overtopping the embankment. Therefore, in accordance with the recommended criteria for Phase I inspections, the spillway for Longford Lake Dam is considered to be inadequate.
Book Synopsis National Dam Inspection Program. Brown's Lake Dam (NDI ID Number PA-516, DER ID Number 59-68). Arlington Brown, Susquehanna River Basin Tributary, West Branch Stony Fork Creek, Tioga County, Pennsylvania. Phase 1. Inspection Report by :
Download or read book National Dam Inspection Program. Brown's Lake Dam (NDI ID Number PA-516, DER ID Number 59-68). Arlington Brown, Susquehanna River Basin Tributary, West Branch Stony Fork Creek, Tioga County, Pennsylvania. Phase 1. Inspection Report written by and published by . This book was released on 1981 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: The assessment of Brown's Lake Dam is based upon visual observations made at the time of inspection, hydraulic and hydrologic computations and past operational performance. The inspection and review of data of the Brown's Lake Dam did not reveal any problems which would require emergency action. The dam appears to be in good condition and adequately maintained. Brown's Lake Dam is a high hazard-small size dam. The spillway design flood (SDF) for a dam of this size and classification is 1/2 PMF to the PMF. the PMF has been selected as the spillway design flood based on downstream potential for loss of life. The spillway and reservoir are capable of controlling the spillway design flood (PMF). Based on criteria established by the Corps of Engineers, the spillway is termed adequate. The following recommendations and remedial measures should be instituted as soon as possible. (1) A regularly scheduled maintenance program should be developed and implemented. (2) A warning system should be developed to warn downstream residents of large spillway discharges or imminent failure of the dam. (3) A safety inspection program should be implemented with inspections at regular intervals by qualified personnel. (4) The drainline valve should be operated on a regular basis.
Book Synopsis National Dam Inspection Program. Macham Dam (NDI I.D. Number PA-00043 Pennder I.D. Number 8-56) Susquehanna River Basin. Wolcott Creek, Bradford County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. Macham Dam (NDI I.D. Number PA-00043 Pennder I.D. Number 8-56) Susquehanna River Basin. Wolcott Creek, Bradford County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1980 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Macham Dam is an earth embankment approximately 19 feet high and 575 feet long, including spillway. The facility is provided with an uncontrolled, rectangular, concrete chute channel spillway located at the left abutment. The spillway is constructed with a 75-foot long, broad crested weir having a 35-foot breadth. Drawdown capability is provided by means of an 18-inch diameter reinforced concrete conduit controlled at the inlet by an 18-inch diameter sluice gate. Based on a visual inspection, operational history, and available engineering data, the dam is considered to be in fair condition. The facility will pass and/or store only about 43 percent of the PMF prior to embankment overtopping. (Author).
