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National Dam Inspection Program Lewis Lake Dam Ndi Id Number Pa 00061 Der Id Number 58 7 Susquehanna River Basin Susquehanna County Pennsylvania Phase I Inspection Report
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Book Synopsis National Dam Inspection Program. Lewis Lake Dam (NDI-ID Number PA-00061, DER-ID Number 58-7), Susquehanna River Basin, Susquehanna County, Pennsylvania. Phase I Inspection Report by : Hendrik Jongsma
Download or read book National Dam Inspection Program. Lewis Lake Dam (NDI-ID Number PA-00061, DER-ID Number 58-7), Susquehanna River Basin, Susquehanna County, Pennsylvania. Phase I Inspection Report written by Hendrik Jongsma and published by . This book was released on 1980 with total page 106 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 only 10 percent of the PMF peak inflow without overtopping the dam. The spillway is considered to be seriously inadequate. The dam is therefore unsafe, non-emergency.
Book Synopsis National Dam Inspection Program. Forest Lake Dam (NDI ID Number PA-00968, DER ID Number 58-21), Susquehanna River Basin, Forest Lake Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report by : Gideon Yachin
Download or read book National Dam Inspection Program. Forest Lake Dam (NDI ID Number PA-00968, DER ID Number 58-21), Susquehanna River Basin, Forest Lake Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report written by Gideon Yachin and published by . This book was released on 1981 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest Lake Dam is located on Forest Lake Creek in Forest Lake Township, Susquehanna County, Pennsylvania. The original purpose of the impounded water was for ice harvesting and recreation. Additionally, water releases from the impoundment activated a saw mill. Presently, the lake is being used for recreation. The overall appearance of the dam is poor. Location of observed deficiencies are shown on the General Plan. The profile and typical sections of the dam are presented and are based on field survey made on the day of inspection. The survey datum for this inspection is elevation 1527 feet above mean sea level which is stamped on the USGS Bench Mark (No. TT15K, 1931) on the large sandstone slab, upstream of the service spillway. On the inspection date (12/10/1980), the lake was being drawn down for the winter. The lake level was approximately at elevation 1523.6, or 2.8 feet below its normal level. Deficiencies observed during the field inspection are described. Visible features are depicted in photographs.
Book Synopsis National Dam Inspection Program. Lake Walter Dam (NDI I.D. Number PA-0080 DER I.D. Number 058-135) Susquehanna River Basin. Tributary of Messhoppen Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Lake Walter Dam (NDI I.D. Number PA-0080 DER I.D. Number 058-135) Susquehanna River Basin. Tributary of Messhoppen Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Andersen and published by . This book was released on 1981 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Walter Dam is located on Spring Run, approximately one mile upstream of its confluence with Meshoppen Creek in Springville Township, Susquehanna County, Pennsylvania. The condition of Lake Walter Dam is considered to be good. The only significant condition noted which requires further attention is the lack of erosion protection in the emergency spillway discharge channel. The swampy condition at the toe of the dam is not considered to be significant at this time; however, the condition should be monitored to document if seepage is developing.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Maple Lake Dam (NDI ID Number PA-01026, DER ID Number 57-38), Susquehanna River Basin, Branch of Blackwater Run, Sullivan County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Maple Lake Dam (NDI ID Number PA-01026, DER ID Number 57-38), Susquehanna River Basin, Branch of Blackwater Run, Sullivan County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maple Lake Dam is an earthfill embankment 14.4 feet high and 283 feet long, excluding spillway. The emergency spillway is located at the left abutment, consisting of an earth channel having a trapezoidal cross section. The bottom width of the spillway at the reservoir outlet is 56 feet. A service spillway, consisting of a 12-inch riser pipe and an 8-inch diameter outlet pipe, is located approximately 100 feet from the right abutment. The outlet works was reported to consist of an 8-inch diameter asbestos cement pipe, extending upstream of the riser pipe to the reservoir and terminating with two sections of an 8-inch diameter vitrified clay pipe, having a concrete plug at the inlet. Based on visual inspection, the Maple Lake Dam is judged to be in good condition. Under the present conditions, the spillway will pass approximately 37 percent of the PMF. Should the top of the dam be restored to its design elevation, the spillway could pass the SDF without overtopping the dam.
Book Synopsis National Dam Inspection Program. Hathaway Pond Dam (NDI ID Number PA 00050, PennDER Number 58-06), Susquehanna River Basin, West Branch of Lackawanna River, Susquehanna County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Inspection Program. Hathaway Pond Dam (NDI ID Number PA 00050, PennDER Number 58-06), Susquehanna River Basin, West Branch of Lackawanna River, Susquehanna County, Pennsylvania. Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1981 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hathaway Pond Dam is located in Ararat Township, Susquehanna County, Pennsylvania. The reservoir was originally created to provide water for power purposes. The reservoir slopes are moderate with a good cover of vegetation. There are three ponds upstream from Hathaway Pond Dam on two tributary streams. The western stream contains Romobe Lake (PennDER I.D. No. 58-10) which is 1750 feet upstream from Hathaway Pond Dam. The eastern tributary contains Ball Lake and an unnamed smaller pond in series. Ball Lake is 2450 feet upstream and will retain considerable storage while the smaller unnamed pond was considered to have no effect on Hathaway Pond Dam. Two homes, a trailer, and township road are located 1800 feet downstream from Hathaway Pond Dam. These could suffer economic damage in the event of a dam failure.
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. Lake Montrose Dam, (NDI ID Number PA-00047 DER ID Number 58-20). Susquehanna River Basin. Snake Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report by : GANNETT FLEMING CORDDRY AND CARPENTER INC HARRISBURG PA.
Download or read book National Dam Inspection Program. Lake Montrose Dam, (NDI ID Number PA-00047 DER ID Number 58-20). Susquehanna River Basin. Snake Creek, Susquehanna 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 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on visual inspection (18 July 1979), available records, calculations, past operational performance, and according to criteria established for these studies, Lake Montrose Dam is judged to be unsafe, nonemergency, because the spillway capacity is rated as seriously inadequate. The existing spillway can pass only 17% of the Probable Maximum Flood (PMF) without overtopping of the dam. Based on the type of construction and the condition of the dam, it is judged that the dam could not withstand the depth and duration of overtopping that would occur for the PMF or the 1/2 PMF. Failure of the dam would cause an increased hazard to loss of life downstream. As a whole, the dam is judged to be in poor condition. The spillway has undergone a gradual structural failure that has resulted in a reduction of spillway capacity. Continuation of the gradual failure, or perhaps a sudden failure, appears to be possible. There are no functional outlet works for the dam. Maintenance of the project is inadequate. There is no program for regular inspection of the dam.
Book Synopsis National Dam Inspection Program. Indian Lake Dam (NDI I.D. PA-0057 DER I.D. 058-038) Susquehanna River Basin, White Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Indian Lake Dam (NDI I.D. PA-0057 DER I.D. 058-038) Susquehanna River Basin, White Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Andersen and published by . This book was released on 1981 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indian Lake Dam is located on White Creek, a tributary of Meshoppen Creek in the southwestern part of Bridgewater Township, Susquehanna County, Pennsylvania. The onsite inspection of Indian Lake Dam consisted of: Visual inspection of the embankment, abutments, and embankment toe; Visual examination of the spillway and its components, the downstream end of the outlet pipe, and the outlet works control structure; and Evaluation of downstream area hazard potential.
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. 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. PA-468 Dam (NDI ID Number PA-00046, DER ID Number 58-132, SCS ID Number PA-468), Susquehanna River Basin, Brooklyn Run, Susquehanna County, Pennsylvania. Phase I Inspection Report by : Frederick Futchko
Download or read book National Dam Inspection Program. PA-468 Dam (NDI ID Number PA-00046, DER ID Number 58-132, SCS ID Number PA-468), Susquehanna River Basin, Brooklyn Run, Susquehanna County, Pennsylvania. Phase I Inspection Report written by Frederick Futchko and published by . This book was released on 1979 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the inspection is to determine if the dam constitutes a hazard to human life or property. The dam consists of a homogeneous earthfill embankment that is 680 feet long and 64 feet high at its maximum section. The main spillway is a drop spillway located near the left abutment of the dam. It consists of a concrete riser connected to a 30-inch diameter reinforced concrete pipe under the embankment. One 12-inch by 21-inch uncontrolled orifice is located in the upstream face of the concrete riser with the orifice crest at El. 1227.0, which is 27 feet below design elevation of the top of the dam. The auxiliary spillway is an excavated channel at the right abutment of the dam. It is grass-lined except for portions that were excavated into rock. The hazard classification is high hazard. Downstream conditions indicate that a high hazard classification is warranted for PA-468 Dam. It is owned by the Susquehanna County Commissioners. Its purpose is for flood control.
Book Synopsis National Dam Inspection Program. Pioneer Lake Dam (NDI ID Number PA-431, DER ID Number 32-80), Susquehanna River Basin, Offstream, Hazelet Run, Indiana County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Pioneer Lake Dam (NDI ID Number PA-431, DER ID Number 32-80), Susquehanna River Basin, Offstream, Hazelet Run, Indiana 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: The assessment of Pioneer Lake 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 dam and appurtenant structures appear to be in fair condition. No major erosion was observed on the embankment crest. An erosion area was observed at the outlet for the 12 in. diameter cast iron pipe. Erosion at the outlet of the 12 in. diameter pipe exists on the downstream slope of the dam near the toe. Seepage 100 ft. right of the spillway channel was measured to be approximately 50 gallons per minute. A 30 in. corrugated metal pipe exists beneath the roadway near the outlet for the emergency spillway. It was observed during the inspection that the pipe is collapsing near the center of the pipe. Trees were observed growing along the upstream edge of the crest, and dense vegetation was observed along the entire length of the downstream slope. The Pioneer Lake 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 the 1/2 PMF to PMF. Due to the downstream potential for loss of life and property damage, the spillway design flood has been selected as the PMF. The spillway and reservoir are capable of controlling approximately 11% of the PMF without overtopping the embankment. Based on criteria established by the Corps of Engineers, the spillway is termed seriously inadequate. Pioneer Lake Dam is classified as unsafe, non-emergency.
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. Acre Pond Dam (NDI ID Number PA-00973, DER ID Number 58-34), Susquehanna River Basin, Partners Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Acre Pond Dam (NDI ID Number PA-00973, DER ID Number 58-34), Susquehanna River Basin, Partners Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report written by and published by . This book was released on 1981 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on visual inspection, Acre Pond Dam is judged to be in fair structural condition. In the absence of an adequate spillway, the dam is subject to frequent overtopping. Based on the location of the downstream dwellings and the fact that a few lives could be lost should the dam fail, the dam is classified as a significant hazard dam. Since the spillway cannot pass the 100- year flood without overtopping the dam, the spillway is rated as inadequate. Although there is some seepage thru the dam, there is no evidence of structural instability. There is no formal inspection and maintenance program or warning system and evacuation plan in effect at Acre Pond Dam. The dam is not properly maintained.
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 National Dam Inspection Program. Tuscarora Lake Dam (NDI I.D. PA-0049 DER I.D. 058-027) Susquehanna River Basin, Tuscarora Creek, Susquehanna County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Tuscarora Lake Dam (NDI I.D. PA-0049 DER I.D. 058-027) Susquehanna River Basin, Tuscarora 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 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the evaluation of the existing conditions, the condition of Tuscarora Lake Dam is considered to be fair. Although some deficiencies were observed such as seepage from the toe and lack of upstream erosion protection, none were considered to be significant relative to the overall stability of the dam at this time. Periodic inspection and evaluation of the seepage conditions are recommended. It was found that the dam has no now level outlet facilities. The flood discharge capacity of the dam was evaluated according to the recommended criteria and the spillway was found to pass 10 percent of the PMF without overtopping the low spot of the embankment. This capacity is less than the recommended spillway capacity of 50 percent of the PMF which was based on the size and downstream hazard classification of the dam. Therefore, the spillway capacity is classified to be inadequate.
