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National Dam Inspection Program Towamensing Trails Dam Ndi Number Pa 00920 Der Number 13 108 Delaware River Basin Carbon County Pennsylvania Phase I Inspection Report
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Book Synopsis National Dam Inspection Program. Towamensing Trails Dam (NDI Number PA-00920 DER Number 13-108), Delaware River Basin, Carbon County, Pennsylvania. Phase I Inspection Report by : BERGER ASSOCIATES INC HARRISBURG PA.
Download or read book National Dam Inspection Program. Towamensing Trails Dam (NDI Number PA-00920 DER Number 13-108), Delaware River Basin, Carbon 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 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Towamensing Trials Dam is a 38 foot high zoned earthfill dam with an embankment length of about 3200 feet. Impervious material forms the upstream section of the embankment and has a surface slope of 3H to 1V. Random fill makes up the remaining portion of the embankment and forms a downstream slope of 2.5H to 1V. An internal drainage system includes a vertical stone drain 30 inches in width over the major length of the embankment. This vertical drain connects to a horizontal blanket drain which discharges into a 12-inch diameter perforated drain pipe just beneath the downstream toe of the embankment. A five foot deep key trench of impervious soil is located at the upstream toe of the embankment. This trench has a bottom width of 30 feet. The spillway, located at the left abutment, is a 50 foot wide concrete ogee section with a crest elevation of 1,645. Design crest elevation of the embankment is 1650.5. The outlet channel for the spillway is paved with concrete and has concrete training walls extending to a point 300 feet downstream from the spillway.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1980 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Long Run Reservoir Number I Dam (NDI Number PA-00882, DER Number 13-004), Delaware River Basin, Carbon County, Pennsylvania. Phase I Inspection Report by : Hendrik Jongsma
Download or read book National Dam Inspection Program. Long Run Reservoir Number I Dam (NDI Number PA-00882, DER Number 13-004), Delaware River Basin, Carbon County, Pennsylvania. Phase I Inspection Report written by Hendrik Jongsma and published by . This book was released on 1981 with total page 82 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 23 percent of the PMF peak inflow without overtopping the dam. Overtopping by the SDF is expected not to cause failure of the dam. The spillway, therefore, is considered to be inadequate, but not seriously inadequate. Some recommendations presented for immediate action by the owner are: (1) that measures shall be taken to provide an adequate spillway capacity, (2) that the cracked spillway slab be repaired, (3) that the downstream end of the spillway be protected from washouts during large discharges, (4) that the upstream gates be maintained and operated on a regular basis, and (5) that the downstream blow-off valves be maintained and operated on an annual basis.
Book Synopsis National Dam Inspection Program. Dam G, (NDI ID Number PA-00643 DER ID Number 40-14), Delaware River Basin, Dreck Creek, Luzerne County, Pennsylvania. Phase I Inspection Report by : Albert Charles Hooke
Download or read book National Dam Inspection Program. Dam G, (NDI ID Number PA-00643 DER ID Number 40-14), Delaware River Basin, Dreck Creek, Luzerne County, Pennsylvania. Phase I Inspection Report written by Albert Charles Hooke and published by . This book was released on 1979 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dam G is a homogeneous earthfill embankment with a concrete core-wall. The embankment is 490 feet long and 19 feet high at maximum section. There are two outlet works at the dam. The first outlet works, which is near the right end of the embankment, consists of a concrete intake structure, two 24-inch diameter cast-iron pipes, and a valve house. This outlet works is connected to the water supply system. The second outlet works, which is near the left end of the dam, is similar to the first except it consists of a single 24-inch diameter pipe. The second outlet works provides the emergency drawdown capability. The concrete chute spillway is at the left abutment of the dam. Its crest is 3.0 feet below the design elevation of the top of the dam and is 75 feet long. The approach channel is short and concrete paved. The exit channel is a continuation of the chute. A bridge extends across the spillway crest. It is supported by two piers.
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 1406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Quakake Dam (NDI ID Number PA-00613, DER ID Number 13-11), Delaware River Basin, Quakake Creek, Carbon County, Pennsylvania. Phase I Inspection Report by : CORPS OF ENGINEERS BALTIMORE MD BALTIMORE DISTRICT.
Download or read book National Dam Inspection Program. Quakake Dam (NDI ID Number PA-00613, DER ID Number 13-11), Delaware River Basin, Quakake Creek, Carbon County, Pennsylvania. Phase I Inspection Report written by CORPS OF ENGINEERS BALTIMORE MD BALTIMORE DISTRICT. and published by . This book was released on 1981 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: The visual inspection and review of available design and construction data indicate that Quakake Dam is in fair condition. The limited spillway capacity is the primary deficiency which causes concern for the safety of this facility. The dam in its present condition is considered to be unsafe, non-emergency. In accordance with the guidelines provided, the spillway design flood (SDF) ranges between 1/2 the PMF to the full PMF. Based on the size of dam, the SDF selected was 1/2 the PMF. The hydrologic and hydraulic computations indicate that the combination of reservoir storage and spillway discharge capacity will pass only 9% of the PMF prior to overtopping the embankment. Overtopping the dam could cause failure, which would lead to a significant increase in downstream loss of life and property damage. Therefore, the spillway for Quakake Dam is considered to be seriously inadequate.
Book Synopsis National Dam Inspection Program. Heilman Dam (NDI Number PA-00612, DER Number 13-005), Delaware River Basin, Carbon County, Pennsylvania. Phase I Inspection Report by : Hendrik Jongsma
Download or read book National Dam Inspection Program. Heilman Dam (NDI Number PA-00612, DER Number 13-005), Delaware River Basin, Carbon County, Pennsylvania. Phase I Inspection Report written by Hendrik Jongsma and published by . This book was released on 1981 with total page 69 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 poor 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 not adequate for passing the SDF peak inflow without overtopping the dam. The spillway is considered to be inadequate, but not seriously inadequate. Some recommendations presented for immediate action by the owner are: (1) that measures shall be taken to provide an adequate spillway capacity, which shall include the raising of the embankment profile to at least the design crest elevation, (2) that the embankment be cleared of all trees, brush and weeds under the direction of a professional engineer, experienced in the design and construction of earthfill dams, and (3) that access above the floodplain be provided for surveillance.
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 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Y.M.C.A. Dam (NDS-ID Number PA-873 DER-ID Number 13-100), Delaware River Basin, Drakes Creek, Carbon County, Pennsylvania. Pleasant Valley West Property Owners Association. Phase I Inspection Report by : KIMBALL (L ROBERT) AND ASSOCIATES EBENSBURG PA.
Download or read book National Dam Inspection Program. Y.M.C.A. Dam (NDS-ID Number PA-873 DER-ID Number 13-100), Delaware River Basin, Drakes Creek, Carbon County, Pennsylvania. Pleasant Valley West Property Owners Association. Phase I Inspection Report written by KIMBALL (L ROBERT) AND ASSOCIATES EBENSBURG PA. and published by . This book was released on 1980 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: YMCA Dam is an earthfill dam, 42 feet high and 608 feet long. The crest width is 9 feet. The upstream slope is 2.5H:1V and grass covered. The downstream slope was measured to be 2H:1V and grass covered. The reservoir drain consists of a 24 inch corrugated metal pipe with a concrete endwall located 270 feet from the left abutment. The spillway consists of a 42 foot long ogee section, 150 feet from the left abutment. The inspection and review of data of the YMCA Dam did not reveal any problems which require emergency action. The dam appears to be in fair condition. The seepage which was noted along the toe of dam should be monitored and evaluated by a professional engineer knowledgeable in earth dams. The evaluation should be implemented immediately. The spillway and reservoir are capable of controlling approximately 81% of the PMF. Based on criteria established by the Corps of Engineers, the spillway is termed adequate.
Book Synopsis National Dam Inspection Program. Lake Watawga Dam (NDI ID Number PA-00098, DER ID Number 64-38), Delaware River Basin, Tributary to Lehigh River, Wayne County, Pennsylvania. Phase I Inspection Report by : Frederick Futchko
Download or read book National Dam Inspection Program. Lake Watawga Dam (NDI ID Number PA-00098, DER ID Number 64-38), Delaware River Basin, Tributary to Lehigh River, Wayne County, Pennsylvania. Phase I Inspection Report written by Frederick Futchko and published by . This book was released on 1980 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on criteria established for these studies, Lake Watawga Dam is judged to be unsafe, nonemergency, because the spillway capacity is seriously inadequate. The recommended Spillway Design Flood (SDF) for the size and hazard classification of the dam varies from 1/2 the Probable Maximum Flood (PMF) to the PMF. Based on the criteria and the downstream conditions, the selected SDF is the PMF. Based on existing conditions, the spillway will pass about 14 percent of the PMF before overtopping of the dam occurs. It is judged that the dam would fail during the PMF. Failure of the dam would increase the hazard for loss of life downstream. As a whole, the dam is judged to be in fair condition. Deficiencies exist that are considered to be indicative of potential stability problems for the spillway. There is no functional outlet works at the dam. Maintenance at the dam is inadequate.
Author :O'BRIEN AND GERE ENGINEERS INC PHILADELPHIA PA JUSTIN AND COURTNEY DIV. Publisher : ISBN 13 : Total Pages :66 pages Book Rating :4.:/5 (227 download)
Book Synopsis National Dam Inspection Program. Bear Creek Lake Dam (NDI ID Number PA-00545, DER ID Number 40-47), Delaware River Basin, Bear Creek, Luzerne County, Pennsylvania. Phase I Inspection Report by : O'BRIEN AND GERE ENGINEERS INC PHILADELPHIA PA JUSTIN AND COURTNEY DIV.
Download or read book National Dam Inspection Program. Bear Creek Lake Dam (NDI ID Number PA-00545, DER ID Number 40-47), Delaware River Basin, Bear Creek, Luzerne County, Pennsylvania. Phase I Inspection Report written by O'BRIEN AND GERE ENGINEERS INC PHILADELPHIA PA JUSTIN AND COURTNEY DIV. and published by . This book was released on 1979 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bear Creek Lake Dam is a rock filled timber crib structure approximately 325 feet long and 17 feet high at its maximum section. An ungated drop spillway with an 158-foot long sharp crested weir is located approximately 60 feet from the right abutment (looking downstream). The 80 acre lake is used for recreation by the residents of Bear Creek Village. It is unknown when the dam was constructed. In the state inspection report of April, 1915 it is stated, 'This dam was constructed a great many years ago, but it has been repaired from time to time, so that more than likely none of the original structure is now in existence.' Examination of the results of the hydrologic and hydraulic analysis indicate that the drop spillway is capable of passing 11 percent of the Probable Maximum Flood (PMF) without overtopping of the embankment. Failure of the dam would significantly increase the hazard to loss of life downstream of the dam. Therefore, the capacity of the drop spillway is classified as 'seriously inadequate.' The dam is considered to be 'unsafe (non-emergency).'
Book Synopsis National Dam Inspection Program. Freethy Dam (NDI ID Number PA-00171, DER ID Number 64-160), Delaware River Basin, Carley Brook, Wayne County, Pennsylvania. Phase I Inspection Report by : Frederick Futchko
Download or read book National Dam Inspection Program. Freethy Dam (NDI ID Number PA-00171, DER ID Number 64-160), Delaware River Basin, Carley Brook, Wayne County, Pennsylvania. Phase I Inspection Report written by Frederick Futchko and published by . This book was released on 1981 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the criteria established for these studies, Freethy Dam is judged to be unsafe, nonemergency, because the spillway capacity is seriously inadequate. The recommended Spillway Design Flood (SDF) for the size and hazard classification of the dam varies between 1/2 of the Probable Maximum Flood (PMF) and the PMF. Based on the size of the dam and reservoir, the 1/2 PMF is selected as the SDF. The existing spillway will pass only about 2 percent of the PMF before overtopping of the dam occurs. It is judged that the dam could not withstand the depth and duration of overtopping during storms of only 20 percent of the PMF. Failure of the dam would cause an increased hazard for loss of life downstream. Overall, the dam is judged to be in good condition.
Book Synopsis National Dam Inspection Program. Dam F (NDI ID Number PA-00642 DER ID Number 40-13), Delaware River Basin, Dreck Creek, Luzerne County, Pennsylvania. Phase I Inspection Report by : Albert Charles Hooke
Download or read book National Dam Inspection Program. Dam F (NDI ID Number PA-00642 DER ID Number 40-13), Delaware River Basin, Dreck Creek, Luzerne County, Pennsylvania. Phase I Inspection Report written by Albert Charles Hooke and published by . This book was released on 1979 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on visual inspection, available records, calculations, past operational performance, and according to criteria established for these studies, Dam F 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. The Owner has placed sandbags along the spillway crest, which reduces the spillway capacity further. The resulting outflows from the failure of Dam F would overtop and cause the failure of Dam G. This would result in the loss of life. As a whole, the dam is judged to be in fair condition. There are bulges on the downstream slope that apparently have not stabilized. The dam has essentially no operational emergency drawdown capability. Maintenance at the dam is marginal.
Book Synopsis National Dam Inspection Program. White Oak Pond Dam (NDI Number PA-00147, DER Number 64-12), Delaware River Basin, Wayne County, Pennsylvania. Phase I Inspection Report by : BERGER ASSOCIATES INC HARRISBURG PA.
Download or read book National Dam Inspection Program. White Oak Pond Dam (NDI Number PA-00147, DER Number 64-12), Delaware River Basin, Wayne County, Pennsylvania. Phase I Inspection Report written by BERGER ASSOCIATES INC HARRISBURG PA. and published by . This book was released on 1980 with total page 75 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 intermediate and the hazard classification is high. The spillway capacity combined with the available storage is sufficient to pass the PMF (Probable Maximum Flood) peak inflow without overtopping the dam. The spillway is therefore considered to be adequate. These calculations are based on a maximum stoplog elevation of 11.7 feet above the wetwell floor.
Book Synopsis National Dam Inspection Program. North Lake Dam (NDI I.D. Number PA-00268, PennDER I.D. Number 52-180), Delaware River Basin, Branch of Hornbecks Creek, Pike County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. North Lake Dam (NDI I.D. Number PA-00268, PennDER I.D. Number 52-180), Delaware River Basin, Branch of Hornbecks Creek, Pike County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1981 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: North Lake Dam is located on a branch of Hornbecks Creek in Delaware Township, Pike County, Pennsylvania. The facility is located approximately 1,500 feet upstream and west of wild Acres Lake, and about five miles from U.S. Route 209 which parallels the Delaware River in this area. Observations made during the visual inspection indicate the embankment is in fair condition, but in need of general maintenance. No evidence of seepage through the downstream embankment face, sloughing, erosion or animal burrows was observed. The embankment crest is noticeably low (in excess of 1-foot) near the spillway relative to the remainder of the crest. About two-thirds of the embankment is overgrown along an area extending approximately 400 feet to the right of the spillway. The vegetation is characterized as primarily brush and high weeds with clumps of small trees strewn throughout. In contrast, much of the embankment crest and upstream face are bare and unprotected with only light vegetation visible. Several long tire ruts scar the crest near the spillway. A small area characterized by swamplike vegetation is located about 350 to 375 feet from the right abutment along the downstream embankment toe. Seepage was observed at the downstream embankment toe near the outlet conduit flowing at a rate of about two to three gpm. The flow is suspected of being either seepage through the embankment foundation, or perhaps drainage from a concealed toe drain. A precise assessment of the condition is difficult without adequate design data are drawings.
Book Synopsis National Dam Inspection Program. SCS Dam PA-419 (NDI Number PA-00086 DER Number 64-170), Delaware River Basin, Wayne County, Pennsylvania. Phase I Inspection Report by : BERGER ASSOCIATES INC HARRISBURG PA.
Download or read book National Dam Inspection Program. SCS Dam PA-419 (NDI Number PA-00086 DER Number 64-170), Delaware River Basin, Wayne County, Pennsylvania. Phase I Inspection Report written by BERGER ASSOCIATES INC HARRISBURG PA. and published by . This book was released on 1980 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: This flood control dam consists of a 420-foot-long homogeneous earthfill embankment with a maximum height of 29 feet above the streambed. The structure has two spillways. The principal spillway is a drop inlet structure and discharges through a 24-inch diameter pipe. An emergency spillway is located in the right abutment. This spillway consists of a grassed earth channel with a bottom channel width of 41 feet. The emergency spillway crest is 5 feet below the top of the dam. Based on the visual inspection, past performance and the available engineering data, the dam and its appurtenant structures appear to be in good condition. The spillway capacity is adequate to pass the PMF peak inflow without overtopping the dam, and is considered to be adequate.
Author :O'BRIEN AND GERE ENGINEERS INC PHILADELPHIA PA JUSTIN AND COURTNEY DIV. Publisher : ISBN 13 : Total Pages :70 pages Book Rating :4.:/5 (227 download)
Book Synopsis National Dam Inspection Program. Penn Lake Dam (NDI ID Number PA-00542, DER ID Number 40-28), Delaware River Basin, Wright Creek, Luzerne County, Pennsylvania. Phase I Inspection Report by : O'BRIEN AND GERE ENGINEERS INC PHILADELPHIA PA JUSTIN AND COURTNEY DIV.
Download or read book National Dam Inspection Program. Penn Lake Dam (NDI ID Number PA-00542, DER ID Number 40-28), Delaware River Basin, Wright Creek, Luzerne County, Pennsylvania. Phase I Inspection Report written by O'BRIEN AND GERE ENGINEERS INC PHILADELPHIA PA JUSTIN AND COURTNEY DIV. and published by . This book was released on 1979 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Penn Lake Dam is an earth embankment approximately 350 feet long and 44 feet high at its maximum section. The spillway consists of twelve 42-inch diameter, 20-foot long pipes located approximately 1,000 feet left (looking downstream) of the dam. Earth swales on both sides of the battery of pipes function as auxiliary spillways. The 56 acre reservoir is used for recreation by members of the Penn Lake Association. Examination of the results of the hydrologic and hydraulic analyses indicates that the spillway (pipes and swales) is capable of passing 48 per cent of the Probable Maximum Flood (PMF) without overtopping of the embankment. Failure of the dam would increase the hazard of loss of life downstream of the dam. The capacity of the spillway system is therefore classified as 'Seriously Inadequate.' The dam is considered to be unsafe (non-emergency). Based on visual observations made during the date of the inspection, the dam is considered to be in poor condition.
