Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1980 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book National Dam Inspection Program Rose Valley Lake Dam NDI I D Number PA 01127 PennDER I D Number 41 97 Susquehanna River Basin Mill Creek Lycoming County Pennsylvania Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1980 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: The visual inspection, operational history, and hydrologic/hydraulic analysis indicate that the facility is in excellent 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 is capable of passing and/or storing the PMF. Consequently, its spillway is considered adequate. It is recommended that the owner immediately (a) provide positive drainage for the area between the left spillway wingwall and left abutment hillside and (b) repair and seal all concrete cracks observed along the left spillway wingwall. (Author).
Download or read book Government Reports Announcements Index written by and published by . This book was released on 1980 with total page 1276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Susquehanna River Basin Mill Creek Lycoming County Pennsylvania written by National Dam Inspection Program and published by . This book was released on 1980 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book National Dam Inspection Program Mill Creek Dam NDI ID PA 0038 DER ID 008 051 Susquehanna River Basin Mill Creek Bradford County Pennsylvania Phase I Inspection Program written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1981 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is located across Mill Creek, approximately three miles upstream from its confluence with the Tuscarora Creek in Tuscarora Township, Bradford County, Pennsylvania. The dam is classified to be in the significant hazard category. It is estimated that failure of the dam may cause loss of a few lives and some property damage in these areas. The onsite inspection of Mill Creek Dam consisted of: Visual inspection of the embankment, abutments, and embankment toe, Visual examination of the spillway and the visible portions of the outlet works, and Evaluation of downstream area hazard potential.
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.
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.
Download or read book National Dam Inspection Program Cowans Gap Dam NDI ID Number PA 187 PennDER Number 29 28 Commonwealth of Pennsylvania Department of Environmental Resources Susquehanna River Basin South Branch of the Little Aughwick Creek Fulton County Pennsylvania Phase I Inspection Report written by ACKENHEIL AND ASSOCIATES INC BALTIMORE MD. and published by . This book was released on 1980 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cowans Gap Dam was constructed as a zoned earthfill structure. The dam embankment is approximately 600 ft. long, has a maximum toe to crest height of 32.3 ft., and a crest width of 12 ft. Flood discharge facilities consist of an ungated, 60 ft. wide spillway channel and a 30 in. corrugated metal reservoir drain conduit controlled by a sluice gate. Based on the evaluation of available design information and visual observations of conditions as they existed on the dates of the field reconnaissances, the general condition of Cowans Gap Dam is considered to be good. The spillway can pass a maximum of 61 percent PMF without overtopping the embankment crest. (Author).
Download or read book National Dam Inspection Program Lake Nessmuk Dam NDI ID Number PA 00032 DER ID Number 59 66 SCS ID Number PA 601 Susquehanna River Basin Morris Branch Marsh Creek Tioga County Pennsylvania Phase I Inspection Report written by Frederick Futchko 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, available records, calculations and past operational performance, Lake Nessmuk 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 problems threatening the embankment. The visual inspection (25 July 1979) revealed that it is uncertain that the gate is operational. (Author).
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.
Download or read book National Dam Inspection Program Mosquito Run Dam NDI Number PA01012 PennDER Number 41 2 Susquehanna River Basin Mosquito Creek Lycoming County Pennsylvania Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1981 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mosquito Run Dam is owned by Williamsport Municipal Water Authority and is classified as a 'Significant' hazard - 'Small' size dam. The dam was found to be in good overall condition at the time of inspection. 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 Mosquito Run Dam. Because the dam is on the low end of the 'Small' size category in terms of height and storage capacity, the 100-year flood was chosen as the SDF. 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 greater than the inflow to the impoundment during the 100-year flood. The spillway is therefore considered 'Adequate.' The inspection revealed certain items of remedial work which should be performed by the owner without delay.
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 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.
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.
Download or read book National Dam Inspection Program Maggio Estate Dam Number 2 NDI Number PA01120 PennDER Number 41 103 Susquehanna River Basin Red Run Lycoming County Pennsylvania Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1981 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maggio Estate Dam No. 2 is owned by the Estate of Michael Maggio and is classified as a 'Significant' hazard - 'Small' size dam. The dam was found to be in fair overall condition at the time of inspection. Hydraulic/hydrologic evaluates, 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 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 Maggio Estate Dam No. 2. Because the dam is on the low end of the 'Small' size category in terms of height and storage capacity, the 100-year flood was chosen as the SDF. The spillway is therefore considered 'Inadequate.' It is recommended that the owner develop remedial measures to ensure that the dam will not be overtopped by the 100-year flood. The inspection revealed certain items of remedial work which should be performed by the owner without delay.
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.
