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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
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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 Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1982 with total page 1314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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. Maple Lake Dam (NDI-PA-00294) (DER-35-42), Susquehanna River Basin, Rattlesnake Creek, Lackawanna County, Pennsylvania. Pennsylvania Gas and Water Company. Phase I Inspection Report by : GANNETT FLEMING CORDDRY AND CARPENTER INC HARRISBURG PA.
Download or read book National Dam Inspection Program. Maple Lake Dam (NDI-PA-00294) (DER-35-42), Susquehanna River Basin, Rattlesnake Creek, Lackawanna County, Pennsylvania. Pennsylvania Gas and Water Company. 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 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maple Lake Dam consists of a homogeneous earthfill embankment. The embankment is 490 feet long and 23 feet high at the maximum section. The spillway is an irregular excavated channel at the right abutment of the dam. An outlet works with a 24-inch diameter cast-iron pipe and a valve at the downstream toe is located near the middle of the embankment. A dike is located about 500 feet right of the embankment. It is 284 feet long and 3 feet high at maximum section. The dam is located on Rattlesnake Creek approximately 3.4 miles west of Moscow, Pennsylvania.
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 1982 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis National Dam Inspection Program. Maple Lake Dam. Delaware River Basin, Stoffle-Denmark Creek, Pike County, Pennsylvania (NDI ID Number PA-00766, DER ID Number 52-170). Pine Ridge Community Association. Phase I Inspection Report by : Frederick Futchko
Download or read book National Dam Inspection Program. Maple Lake Dam. Delaware River Basin, Stoffle-Denmark Creek, Pike County, Pennsylvania (NDI ID Number PA-00766, DER ID Number 52-170). Pine Ridge Community Association. Phase I Inspection Report written by Frederick Futchko and published by . This book was released on 1980 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maple Lake Dam is a homogeneous, earthfill embankment. It is 35 feet high at its maximum section and 685 feet long. The main spillway is located at the maximum section of the dam. It consists of a reinforced concrete riser structure near the upstream toe of the dam, a 24-inch diameter conduit, and a concrete outlet structure at the downstream toe of the dam. The auxiliary spillway is an excavated, trapezoidal channel at the left abutment of the dam. Based on visual inspection, available records, calculations, past operational performance, and according to criteria established for these studies, Maple Lake Dam is judged to be in good condition. Based on existing conditions, the main and auxiliary spillways will pass an approximate minimum of 48 percent of the Probable Maximum Flood (PMF before overtopping of the dam occurs. No stability problems were evident for the embankment at the time of the visual inspection, but a potential hazard to stability exists due to erosion that might occur when there is flow in the auxiliary spillway.
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.
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. 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. 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. 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 Government Reports Annual Index: Keyword A-L by :
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1982 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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. Hunters Lake Dam (NDS ID Number PA-356 DER ID Number 57-1), Susquehanna River Basin, Trout Run, Sullivan Court, Pennsylvania. Phase I Inspection Report by : R. Jeffrey Kimball
Download or read book National Dam Inspection Program. Hunters Lake Dam (NDS ID Number PA-356 DER ID Number 57-1), Susquehanna River Basin, Trout Run, Sullivan Court, Pennsylvania. Phase I Inspection Report written by R. Jeffrey Kimball and published by . This book was released on 1979 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hunters Lake Dam is an earthfill dam 450 feet long and 27 feet high. The upstream slope is 3H:1V with concrete paving blocks acting as slope protection. The upstream slope in the lower portion is 3.5H:1V. The downstream slope is 2.5H:1V and grassed. The embankment is homogeneous with a rock toe. Upstream of the dam is a concrete control tower which contains the principal spillway. Flow enters the concrete spillway tower and drops down the tower and into a 48 inch reinforced concrete pipe to an impact basin at the toe of the dam. In addition, the concrete spillway tower has a 4 foot by 5 foot sluice gate to act as a reservoir drain. The emergency spillway is located in a natural saddle at the opposite end of the reservoir. The emergency spillway has a 300 foot long concrete slab. (Author).
Book Synopsis National Dam Inspection Program. Humboldt Dam (NDI ID Number PA-00646 DER ID Number 40-61), Susquehanna River Basin, Wolffs Run, Luzerne County, Pennsylvania. Phase I Inspection Report by : Albert Charles Hooke
Download or read book National Dam Inspection Program. Humboldt Dam (NDI ID Number PA-00646 DER ID Number 40-61), Susquehanna River Basin, Wolffs Run, Luzerne County, Pennsylvania. Phase I Inspection Report written by Albert Charles Hooke and published by . This book was released on 1979 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt: Humboldt Dam is a homogeneous earthfill embankment with a masonry core-wall. The embankment is 974 feet long and 41 feet high at maximum section. A masonry gravity retaining wall, which acts as the spillway training wall, is at the right end of the embankment. The outlet works, which is near the middle of the embankment, consists of a masonry and corrugated metal intake structure with sluice gates, a 12-inch diameter cast-iron pipe(CIP), and a valve house at the toe of the dam. The intake structure is located on the upstream slope of the embankment; a bridge extends to it. Water supply pipes also extend from the intake structure. The masonry gravity spillway is at the right abutment of the dam. Its crest is 3.0 feet below the design elevation of the top of the dam and is 33.0 feet long. The spillway channel has a variable bottom width and a masonry gravity training wall on the left. The spillway channel extends along the right side of the valley.
Book Synopsis National Dam Inspection Program. Lake Henry Dam (NDI ID Number PA-00366, DER ID Number 35-16), Susquehanna River Basin, Lake Run, Lackawanna County, Pennsylvania. Phase I Inspection Report by : Albert Charles Hooke
Download or read book National Dam Inspection Program. Lake Henry Dam (NDI ID Number PA-00366, DER ID Number 35-16), Susquehanna River Basin, Lake Run, Lackawanna County, Pennsylvania. Phase I Inspection Report written by Albert Charles Hooke 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 Henry Dam is judged to be in good condition. The existing spillway can pass 60 percent of the Probable Maximum Flood (PMF) without overtopping of the dam. The spillway capacity is rated as inadequate. If the embankments were raised 0.7 foot to their design elevation, the dam could pass the PMF with 0.05 foot of freeboard. The spillway capacity would then be rated as adequate. A low area between the two embankments acts as an auxiliary spillway. There is no stability analysis for the embankments. There is no evidence of significant problems threatening the embankments. The spillway weir is judged to be stable.
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.
