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National Dam Inspection Report Lebanon Reservoir Dam Number 1 Ndi Id Number Pa 00595 Pennder Id Number 38 1 Susquehanna River Basin West Branch Of Hammer Creek Lebanon County Pennsylvania Phase I Inspection Report
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Book Synopsis National Dam Inspection Report. Lebanon Reservoir Dam Number 1. NDI I.D. Number PA-00595, PennDER I.D. Number 38-1. Susquehanna River Basin, West Branch of Hammer Creek, Lebanon County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Report. Lebanon Reservoir Dam Number 1. NDI I.D. Number PA-00595, PennDER I.D. Number 38-1. Susquehanna River Basin, West Branch of Hammer Creek, Lebanon County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1980 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: The visual inspection, operational history, and hydrologic/hydraulic analysis indicate that the facility is in fair condition. Deficiencies noted by the inspection team included heavy overgrowth across the embankment crest and slopes, rodent burrows along the downstream embankment face, a deteriorated emergency spillway, and minor seepage beneath the emergency spillway and around the outlet conduit. These deficiencies are, for the most part, attributable to a general lack of adequate maintenance since the facility was phased out of operation in 1973. The size classification of the facility is small and its hazrad classification is considered to be high. In accordance with the recommended guidelines, the Spillway Design Flood (SDF) for the facility ranges between the 1/2 PMF (Probably Maximum Flood) and the PMF. Due to the high potential for damage to downstream structures and loss of life, the SDF is considered to be the PMF. Results of the hydrologic and hydraulic analysis indicate the facility will pass and/or store only 16 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.
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 National Dam Inspection Program. Reservation Dam, (NDI Number PA-00014, Pennder Number 38-78) Susquehanna River Basin, Indiantown Run, Lebanon County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program. Reservation Dam, (NDI Number PA-00014, Pennder Number 38-78) Susquehanna River Basin, Indiantown Run, Lebanon County, Pennsylvania. Phase I Inspection Report written by GAI CONSULTANTS INC MONROEVILLE PA. 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 visual inspection, operational history, and available engineering data, the dam is considered to be in good 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 ranges between the 1/2 PMF (Probable Maximum Flood) and the PMF. Due to the high potential for damage to downstream structures and possibly loss of life, the SDF is considered to be the PMF. Results of the hydrologic and hydraulic analysis indicate the facility will pass and/or store about 77 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 the following: (1) large trees rooted within the downstream embankment face; (2) a damaged and inadequate spillway discharge channel; and (3) a bent gate stem and partially obstructed outlet associated with the blowoff conduit.
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. Rexmont Number 2 Dam (NDI Number PA-00594, DER Number 38-2), Susquehanna River Basin, Lebanon County, Pennsylvania. Phase I Inspection Report by : BERGER ASSOCIATES INC HARRISBURG PA.
Download or read book National Dam Inspection Program. Rexmont Number 2 Dam (NDI Number PA-00594, DER Number 38-2), Susquehanna River Basin, Lebanon County, Pennsylvania. Phase I Inspection Report written by BERGER ASSOCIATES INC HARRISBURG PA. and published by . This book was released on 1979 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rexmont No. 2 Dam, formerly known as Lebanon No. 2 Dam, is owned by the City of Lebanon and was originally constructed as a water supply reservoir for the City. At present, the reservoir is used for recreation (fishing) and is only a standby water supply for the City. The Rexmont No. 1 Dam, also owned by the City of Lebanon, is located about 1,000 feet further downstream. A state highway is located by between the two dams. The dam is a homogeneous earthfill structure with a maximum fill height of 42 feet and an embankment length of 690 feet. A 14.5 foot wide spillway (field measured) is located in the left abutment and has a weir elevation 4 feet below the top of the dam embankment. An intake control tower, located at the upstream toe of the dam, has three intake sluice gates and is connected to a downstream valve house by a 16-inch and a 20-inch pipe. The flow in these pipes is controlled by valves in the valve house. The embankment had slope failures in 1910, 1912, 1925. The downstream slope was stabilized in 1933 by adding fill and a berm. (author).
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 with total page 1402 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 Einige altbayerische Stadtrechte by :
Download or read book Einige altbayerische Stadtrechte 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. Stouffer Lake Dam (NDI Number PA-01011, DER Number 38-082), Susquehanna River Basin, Lebanon County, Pennsylvania. Phase I Inspection Report by : Hendrik Jongsma
Download or read book National Dam Inspection Program. Stouffer Lake Dam (NDI Number PA-01011, DER Number 38-082), Susquehanna River Basin, Lebanon County, Pennsylvania. Phase I Inspection Report written by Hendrik Jongsma and published by . This book was released on 1981 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the visual inspection, past performance and the available engineering data, the dam and its appurtenant structures appear to be in fair condition. In accordance with the Corps of Engineers' evaluation guidelines, the size classification of this dam is small and the hazard classification is high. These classifications indicate that the Spillway Design Flood (SDF) should be in the range of one-half the Probable Maximum Flood (PMF) to the full PMF. The recommended SDF for this structure is one-half the PMF. The spillway capacity is adequate for passing 29 percent of the PMF peak inflow without overtopping the dam. Failure of the embankment due to overtopping by one-half of the PMF would not significantly increase the risk to loss of life downstream. The spillway, therefore, is considered to be inadequate, but not seriously inadequate. Recommendations are presented for immediate action by the owner.
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. Moose Creek Reservoir Dam, (NDS I.D. Number PA-00423, PennDer I.D. Number 17-6), Susquehanna River Basin, Moose Creek, Clearfield County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. Moose Creek Reservoir Dam, (NDS I.D. Number PA-00423, PennDer I.D. Number 17-6), Susquehanna River Basin, Moose Creek, Clearfield County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1979 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the visual inspection, operational history, and available engineering data, the dam is considered to be in fair condition. In accordance with the recommended guidelines the spillway design flood for this facility is the Probable Maximum Flood (PMF). Results of the hydrologic and hydraulic analysis indicate that the facility is capable of passing and/or storing only 20 percent of the PMF without overtopping the embankment. Overtopping and embankment failure is also anticipated under less than 1/2 PMF flooding resulting in an increase in potential for loss of life. Thus, based on criteria contained in the recommended guidelines the spillway is considered seriously inadequate. Seepage was noted at the downstream toe in an area behind the old gate house. Also, seepage was observed to be issuing from the left embankment-abutment junction, about midway between the toe and the crest of the dam. Historical records indicate seepage was frequently noted in both areas. General surficial deterioration is evident on portions of the spillway, particularly the sidewalls.
Book Synopsis National Dam Inspection Program. Lake Jean Dam. (NDI I.D. Number PA-00570 PennDER I.D. Number 40-16) Susquehanna River Basin, Branch of Kitchen Creek, Luzerne County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. Lake Jean Dam. (NDI I.D. Number PA-00570 PennDER I.D. Number 40-16) Susquehanna River Basin, Branch of Kitchen Creek, Luzerne County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1980 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Jean Dam is a zoned earth embankment approximately 26 feet high and 780 long, including spillway. The emergency spillway is an uncontrolled, rectangular, concrete and rock cut chute channel located at the right abutment. The crest of the spillway is 20 feet long and is spanned by a concrete bridge which supports a portion of the bituminous roadway that covers the embankment crest. Drawdown capability is provided by means of a 30-inch diameter cast iron blowoff pipe controlled at the inlet by a 30-inch diameter sluice gate. The facility consists of a main dam (Lake Jean Dam) and two appurtenant saddle dams (east and west dikes). Results of the hydrologic and hydraulic analysis indicate the facility will pass and/or store about 73 percent of the PMF prior to overtopping the east dike. Thus, based on the screening criteria contained in the recommended guidelines, the spillway is considered to be inadequate, but not seriously inadequate. Should the saddle dams be regraded to their design elevation, the spillway would then pass floods in excess of the PMF and would be considered adequate.
Book Synopsis National Dam Inspection Program. Lake Strause Dam (NDI Number PA-01010, DER Number 38-068), Susquehanna River Basin, Lebanon County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Lake Strause Dam (NDI Number PA-01010, DER Number 38-068), Susquehanna River Basin, Lebanon County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the visual inspection, past performance and the available engineering data, the dam and its appurtenant structures appear to be in good condition. In accordance with the Corps of Engineers' evaluation guidelines, the size classification of this dam is small and the hazard classification is significant. These classifications indicate that the Spillway Design Flood (SDF) should be in the range of the 100 year flood to one-half the Probable Maximum Flood (PMF). The recommended SDF for this structure is the 100 year flood. The spillway capacity is insufficent for passing the SDF peak inflow without overtopping the dam. The spillway, therefore, is considered to be inadequate. The following recommendations are presented for immediate action by the owner: (1) That provisions be made to increase the spillway capacity. (2) That the bare areas on the downstream slope be reseeded. (3) That the drop inlet structure be inspected for structural adequacy after the reservoir has been lowered. (4) That the struts in the spillway be removed and that the wooden waterway diversion poles be secured by other means. (5) That a formal surveillance and downstream warning system be developed for use during periods of high or prolonged rainfall. (6) That an operation and maintenance manual be prepared for guidance in the operation of the dam during normal and emergency conditions, and that a schedule be developed for the annual inspection of the dam and its appurtenant structures. (Author).
Book Synopsis National Dam Inspection Program. Pomeroy Memorial Reservoir Dam (NDI ID Number PA-40 DER ID Number 8-2), Susquehanna River Basin, West Branch Sugar Creek, Bradford County, Pennsylvania. Phase I Inspection Report by : R. Jeffrey Kimball
Download or read book National Dam Inspection Program. Pomeroy Memorial Reservoir Dam (NDI ID Number PA-40 DER ID Number 8-2), Susquehanna River Basin, West 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 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Pomeroy Memorial Reservoir Dam appears to be in poor condition and poorly maintained. The concrete on the upstream slope of the dam is in a deteriorated condition as is the concrete in the spillway section. The spillway retaining walls are visibly deteriorated and a section of the right spillway wingwall has cracked and fallen away from the structure. Maintenance of the dam and operating facilities is considered poor. The drainline valves have not been operated in the recent past. Pomeroy Memorial Reservoir Dam is a high hazard-small size dam. The recommended spillway design flood (SDF) for a dam of this size and classification is in the range of 1/2 PMF to PMF. Based on the downstream potential for loss of life, the spillway design flood has been selected as the PMF. The spillway and reservoir are capable of controlling approximately 9% of the PMF without overtopping the embankment low spot. If the low spot elevation were to be filled to an elevation consistent with the remaining portion of the embankment crest the spillway and reservoir would be capable of controlling approximately 20% of the PMF without overtopping the embankment. Based on criteria established by the Corps of Engineers, the spillway is termed 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. Ross Dam (NDI ID Number PA-00978, DER ID Number 58-134) Susquehanna River Basin, East Branch Tunkhannock Creek, Susquehanna, County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Ross Dam (NDI ID Number PA-00978, DER ID Number 58-134) Susquehanna River Basin, East Branch Tunkhannock Creek, Susquehanna, County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: The visual inspection and review of available design and construction data indicate that Ross Dam is in fair condition. The deteriorated condition of the spillway ways and the adjacent low areas of the embankment are the primary deficiencies which require maintenance work to assure the operational safety of this facility. In accordance with the recommended guidelines, the spillway design flood (SDF) for this facility is in the range of the 100 year flood to the 1/2 PMF. Based on the size of this dam and the degree of downstream hazard, the selected SDF is the 100 year flood. The hydrologic and hydraulic computations indicate that the combination of reservoir storage and spillway discharge capacity will pass the SDF (100 year flood) prior to overtopping the embankment. Therefore, in accordance with the criteria outlined and evaluated in Section 5.5 of this report, the spillway for Ross Dam is considered to be adequate.
Book Synopsis National Dam Inspection Program. Number 5 Dam (NDI ID Number PA-00375 DER ID Number 35-22), Susquehanna River Basin, Stafford Meadow Brook, Lackawanna County, Pennsylvania. Phase I Inspection Report by : Albert Charles Hooke
Download or read book National Dam Inspection Program. Number 5 Dam (NDI ID Number PA-00375 DER ID Number 35-22), Susquehanna River Basin, Stafford Meadow Brook, Lackawanna County, Pennsylvania. Phase I Inspection Report written by Albert Charles Hooke and published by . This book was released on 1979 with total page 103 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, No. 5 Dam is judged to be unsafe, nonemergency, because the spillway capacity is rated as seriously inadequate. The spillway can pass 29 percent of the Probable Maximum Flood (PMF) without overtopping of the dam. Failure of the dam would cause an increase hazard to loss of life downstream. As a whole, the dam is judged to be in fair condition. The spillway gravity weir does not have any significant deviations from the guidelines for stability, since the toe pressure is well below the allowable. There is no evidence of instability on the embankment.
