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National Dam Inspection Program Stoughton Lake Dam Beaver Dam Ohio River Basin Ndi Number Pa 00468 Pennder 56 78 Somerset County Commonwealth Of Pennsylvania Phase 1 Inspection Report
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Book Synopsis National Dam Inspection Program. Stoughton Lake Dam (Beaver Dam), Ohio River Basin. (NDI Number PA-00468, PennDER-56-78). Somerset County, Commonwealth of Pennsylvania. Phase 1 Inspection Report by :
Download or read book National Dam Inspection Program. Stoughton Lake Dam (Beaver Dam), Ohio River Basin. (NDI Number PA-00468, PennDER-56-78). Somerset County, Commonwealth of Pennsylvania. Phase 1 Inspection Report written by and published by . This book was released on 1980 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stoughton Lake Dam is an earthfill dam with a maximum height of 23 feet and a crest length of 335 feet. The 90 feet crest length ogee spillway is located at the right abutment of the dam. The outlets works consist of an intake, a riser, a 36 inch corrugated metal pipe outlet conduit, and an outlet head wall. The riser is divided into two chambers by stop logs which can be removed to drawdown the reservoir. Hydraulic/hydrologic evaluations revealed that the spillway will pass the spillway design flood (SDF) on 53 percent of the Probable Maximum Flood (PMF) before overtopping will occur. Therefore, the spillway is assessed as being adequate. The dam was found to be in fair overall condition with the exception of the spillway training walls and the spillway discharge apron. The inspection revealed certain items of remedial work necessary for the dam which should be completed without delay by the owner.
Book Synopsis National Dam Inspection Program. Beaver Dam (NDI I.D. Number PA-00453, Pennder I.D. Number 65-7), Ohio River Basin, Beaver Run, Westmoreland County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program. Beaver Dam (NDI I.D. Number PA-00453, Pennder I.D. Number 65-7), Ohio River Basin, Beaver Run, Westmoreland County, Pennsylvania. Phase I Inspection Report written by GAI CONSULTANTS INC MONROEVILLE PA. and published by . This book was released on 1979 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beaver Dam is an earth embankment approximately 32 feet high and 385 feet long (including spillway). The dam is constructed with a masonry spillway located about 35 feet left of the right abutment. The crest of the spillway is 100 feet long and about 11 feet below the top of its wingwalls. Based on a visual inspection, operational history, and available engineering data, the dam is consisered to be in poor condition. The defunct facility has been essentially abandoned since 1952 and its reservoir is sediment filled. Results of the hydrologic and hydraulic analysis indicate that the facility is capable of passing and/or storing only 36 percent of the PMF without embankment overtopping. Structural deficiencies noted by the inspection team included substantial embankment overgrowth, an access road cut through the embankment near the left abutment, cracking of the masonry spillway wingwalls, and a sediment filled reservoir. Due to the seriously inadequate spillway and overall poor condition, the facility is considered unsafe but non-emergency as failure is not considered imminent.
Book Synopsis National Dam Inspection Program. Deer Valley Lake Dam (NDS I.D. Number PA-00230, PennDer I.D. Number 56-76), Ohio River Basin, Cove Run, Somerset County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. Deer Valley Lake Dam (NDS I.D. Number PA-00230, PennDer I.D. Number 56-76), Ohio River Basin, Cove Run, Somerset County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1979 with total page 83 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 fair condition. Structural deficiencies noted during the inspection include an inoperable drawdown mechanism, seepage and ponded conditions at the downstream toe, dense overgrowth (bushes, weeds, small trees) on the down stream slope, and minor concrete deterioration in the spillway. The size classification of the facility is intermediate and its hazard classification is considered to be significant. In accordance with recommended guidelines, the Spillway Design Flood (SDF) for this facility is 1/2 the Probable Maximum Flood (PMF). Results of the hydrologic and hydraulic analysis indicate that the facility can accommodate approximately 32 percent of the PMF and/or 64 percent of SDF (1/2 PMF). Thus, the spillway system is considered inadequate, but not seriously inadequate.
Book Synopsis National Dam Inspection Program. Lake Somerset Dam (NDS I.D. Number PA-00229, PennDer I.D. Number 56-89), Ohio River Basin, East Branch of Coxes Creek, Somerset County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. Lake Somerset Dam (NDS I.D. Number PA-00229, PennDer I.D. Number 56-89), Ohio River Basin, East Branch of Coxes Creek, Somerset County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1979 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the visual inspection, operational history, and available engineering data, the dam, despite being well maintained, is considered to be in poor condition. Observations made during the visual inspection suggest that the embankment may be structurally unsafe as extensive areas of seepage were noted on the downstream embankment slope and immediately below the toe area to the right of the outlet conduit. Seepage conditions became evident shortly after reservoir filling and have persisted in spite of the installation of a remedial sand drain system near the toe. Failure of the embankment does not appear imminent and the condition is presently considered non-emergency. It is recommended that the owner immediately develop and implement a warning system to notify downstream inhabitants should hazardous conditions develop. Included in the plan should be provisions for around-the-clock surveillance of the facility during periods of unusually heavy precipitation.
Book Synopsis National Dam Inspection Program. Gallo Dam (NDS I.D. Number PA-00233, Pender I.D. Number 56-91) Ohio River Basin, Beaverdam Run, Somerset County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program. Gallo Dam (NDS I.D. Number PA-00233, Pender I.D. Number 56-91) Ohio River Basin, Beaverdam Run, Somerset County, Pennsylvania. Phase I Inspection Report written by GAI CONSULTANTS INC MONROEVILLE PA. and published by . This book was released on 1979 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gallo Dam is a 29-foot high earth embankment approximately 690 feet long (including spillway). The embankment is reportedly comprised of 3 sections which include an impervious core, a semi-pervious upstream section and a pervious downstream section. The facility is served by a chute channel spillway, with discharges controlled by a free overfall, concrete weir structure. The spillway is located near the right abutment, and has a crest length of 39 feet. In addition, the facility is equipped with a 18-inch diameter steel pipe encased in concrete used as a low level outlet as well as a 16-inch diameter steel siphon which was installed in 1973.
Book Synopsis National Dam Inspection Program. Tamarack Lake Dam 'A' (NDI-PA-00181, PennDER No. 20-47A, SCS No. PA-461A), Ohio River Basin, Mill Run, Crawford County, Commonwealth of Pennsylvania. Phase I Inspection Report by : C. Y. Chen
Download or read book National Dam Inspection Program. Tamarack Lake Dam 'A' (NDI-PA-00181, PennDER No. 20-47A, SCS No. PA-461A), Ohio River Basin, Mill Run, Crawford County, Commonwealth of Pennsylvania. Phase I Inspection Report written by C. Y. Chen and published by . This book was released on 1979 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tamarack Lake is impounded by two separate dams at opposite ends of the reservoir. Tamarack Lake Dam 'A' is located at the northern end of the reservoir and consists of a main embankment, emergency spillway channel, riser intake and outlet conduit, and a diversion dam located to the left of the emergency spillway channel. Tamarack Lake Dam 'B' is located at the southern end of the reservoir and consists of a main embankment, emergency spillway channel, riser intake and outlet conduit, and a saddle dike located to the left of the emergency spillway channel. Tamarack Lake Dam 'A' is 22 feet high and approximately 1000 feet long. A clay core and cutoff trench extend throughout the length of the dam. The minimum width of the core and cutoff trench is 10 feet. The cutoff trench varies in depth below the original ground surface from 4 to 13 feet with the lowest elevation (1195.0 feet) near the location of the outlet conduit.
Book Synopsis National Dam Inspection Program, Big Beaver Dam (Pa No Name Number 14, NDI Number PA 00258, PennDER Number 4-11), Ohio River Basin, Tributary of Clark's Run, Beaver County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Inspection Program, Big Beaver Dam (Pa No Name Number 14, NDI Number PA 00258, PennDER Number 4-11), Ohio River Basin, Tributary of Clark's Run, Beaver County, Pennsylvania. Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1980 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Big Beaver Dam is an earth embankment with a maximum height of 25 feet and a total length of 320 feet. The spillway, located at the right abutment, consists of a cut stone lined broad crested weir and chute. The spillway crest is 9.6 feet long perpendicular to the flow and 12 feet long parallel to the flow. The chute has an overall width of 10 feet and a length of 75 feet; the spillway crest is located 3.5 feet below the low spot of the crest of the dam. The outlet works for the dam consist of an 8 inch cast-iron pipe with the upstream end submerged approximately 30 feet out from the center line of the dam. The dam was found to be in fair overall condition at the time of inspection. The spillway will pass approximately 37 percent of the Probable Maximum Flood (PMF) before overtopping will occur.
Book Synopsis National Dam Inspection Program. High Point Lake, NDI Number PA-231. Ohio River Basin, Negro Glade Run, Somerset County, Pennsylvania. Phase I Inspection Report by : GAI CONSULTANTS INC MONROEVILLE PA.
Download or read book National Dam Inspection Program. High Point Lake, NDI Number PA-231. Ohio River Basin, Negro Glade Run, Somerset County, Pennsylvania. Phase I Inspection Report written by GAI CONSULTANTS INC MONROEVILLE PA. and published by . This book was released on 1978 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a visual inspection, past performance, and available engineering data, the facility is considered in good condition. The spillway and reservoir are capable of passing and/or storing the flow resulting from a storm of PMF magnitude without overtopping; consequently, the spillway is considered adequate. It is recommended that the owner: (a) Fill in the erosion gullies that have developed to the right of the spillway sidewall with materials that will retard further erosion. The seepage should also be monitored to insure that the condition does not worsen, (b) Develop a formal warning system to notify downstream residents should hazardous conditions develop, and (c) Develop a manual for the operation and maintenance of the outlet works at the facility. (Author).
Book Synopsis National Dam Inspection Program. Bigan Dam (NDI ID Number PA-237, DER ID Number 56-94), Ohio River Basin, Sandy Run, Somerset County, Pennsylvania. Phase I Inspection Report by :
Download or read book National Dam Inspection Program. Bigan Dam (NDI ID Number PA-237, DER ID Number 56-94), Ohio River Basin, Sandy Run, Somerset 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: Bigan Dam appears to be in poor condition and modifications to the dam have apparently been in progress for several years. The reservoir pool is maintained at a reduced level due to a directive from the Commonwealth pending the completion of design modifications to the structure. Due to the questionable condition of the earthen embankment section near the right abutment, the static stability of the structure is questionable. The spillway for the dam is a temporary structure, and a new spillway is planned at the dam. The owner should be urged to complete the construction of the facility as soon as possible. The completion of the structure should include an assessment of the earthen embankment section near the right abutment, and the stability of the section should be evaluated.
Book Synopsis National Dam Inspection Program. Tamarack Lake Dam 'B' (NDI-PA-00746, PennDER-20-47B, SCS-PA-461B), Ohio River Basin, Mud Run, Crawford County, Pennsylvania. Phase I Inspection Report by : C. Y. Chen
Download or read book National Dam Inspection Program. Tamarack Lake Dam 'B' (NDI-PA-00746, PennDER-20-47B, SCS-PA-461B), Ohio River Basin, Mud Run, Crawford County, Pennsylvania. Phase I Inspection Report written by C. Y. Chen and published by . This book was released on 1979 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tamarack Lake is impounded by two separate dams at opposite ends of the reservoir. Tamarack Lake Dam 'B' is located at the southern end of the reservoir and Tamarack Lake Dam 'A' is located at the northern end of the reservoir. Tamarack Lake Dam 'B' is a homogeneous earth dam designed by the Soil Conservation Service (SCS), U.S. Department of Agriculture. This multi-purpose reservoir and dam is presently owned and operated by the Pennsylvania Fish Commission. The dam has a crest length of 425 feet and a maximum height of 21 feet. A 6-foot-high dike was constructed in a saddle area to the left of the emergency spillway channel. Tamarack Lake Dam 'B' is classified as a 'High' hazard-'Intermediate' size dam. The dam was found to be in good overall condition at the time of inspection. Hydraulic/hydrologic evaluations revealed that the spillways will pass the Probable Maximum Flood (PMF) without overtopping the dam. The spillways are therefore considered 'adequate.'
Book Synopsis National Dam Inspection Program. Laurel Hill Lake Dam (NDI I.D. Number PA-267, Penn. DER Number 56-66) Ohio River Basin. Laurel Hill Creek, Somerset County, Pennsylvania Phase I Inspection Report by : James D. Hainley
Download or read book National Dam Inspection Program. Laurel Hill Lake Dam (NDI I.D. Number PA-267, Penn. DER Number 56-66) Ohio River Basin. Laurel Hill Creek, Somerset County, Pennsylvania Phase I Inspection Report written by James D. Hainley and published by . This book was released on 1980 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laurel Hill Lake Dam is classified as an intermediate size high hazard dam in accordance with the U.S. Army Corps of Engineers dam safety criteria. 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 Laurel Hill Lake Dam is considered to be good. However, the cause and origin of a seepage zone located downstream of the dam embankment could not be conclusively established by visual observation and review of the construction drawings. Therefore, it is recommended that periodic monitoring of the seep be made by the dam owner. The presence of eroded footpaths, animal burrows, cracking and spalling on concrete surfaces, and shallow depression located on the dam crest, are considered minor deficiencies in need of maintenance. Guideline criteria recommend a PMF spillway design flood for intermediate size, high hazard dams. Spillway discharge capacity was found to be seriously inadequate based on the following data: (1) Maximum non-overtopping spillway discharge capacity is 34 percent PMF, (2) Failure of the dam resulting from 37 percent PMF overtopping significantly increases the downstream loss of life and damage potential compared to that which would exist prior to dam failure. Laurel Hill Lake Dam is categorized as unsafe, non-emergency in accordance with recommended criteria.
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 1350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Whitney Ridge Dam (NDI Number PA 00474, PennDER Number 65-24), Ohio River Basin, Westmoreland County, Commonwealth of Pennsylvania. Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Whitney Ridge Dam (NDI Number PA 00474, PennDER Number 65-24), Ohio River Basin, Westmoreland County, Commonwealth of Pennsylvania. Phase I Inspection Report written by James P. Hannan and published by . This book was released on 1980 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a review of available design information and visual observations of conditions as they existed on the date of the field inspection, the general condition of the Whitney Ridge Dam is considered to be poor. This assessment is based on visual observations and hydraulic calculations that indicated: (1) A possible inadequate margin of safety against slope failure as indicated by evidence of high ground water in the embankment. (2) Inability to locate outlet works system components or operate observed controls. (3) Poor hydraulic conditions at the Principal Spillway including dense tree and brush growth in the spillway channel and deterioration of the concrete overflow weir and channel bottom paving. (4) 'Inadequate' spillway capacity as determined using the HEC-1 Computer Program. The structure is a 'small' size, 'high' hazard dam.
Book Synopsis National Dam Inspection Program. Star Junction Number 2 Dam. (NDI Number PA-00212 PennDER Number 26-31) Ohio River Basin. Fayette County, Commonwealth of Pennsylvania. Phase I Inspection Report by : James P. Hannan
Download or read book National Dam Inspection Program. Star Junction Number 2 Dam. (NDI Number PA-00212 PennDER Number 26-31) Ohio River Basin. Fayette County, Commonwealth of Pennsylvania. Phase I Inspection Report written by James P. Hannan and published by . This book was released on 1980 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Star Junction No. 2 Dam consists of an earthfill embankment and masonry spillway on the left abutment. The dam has a crest length of 341 feet, a maximum height of 30 feet and a storage volume of 31 acre-feet at the spillway crest level. The dam is classified by Corps of Engineers guidelines to be a small size, high hazard structure. Star Junction No. 2 Dam's embankment is assessed to be in poor condition. This is based on visual observations of the non-uniform slope, wet zones and state inspection reports. The downstream control was observed to be damaged and probably is not operable. No control or mechanism was observed to permit upstream flow control. The principal spillway is assessed to be in very poor condition. This is based on visual observations of the weir wall and training dike retaining wall. Both structures are partially collapsed and badly deteriorated and safe performance is questionable in the event of long-term, high discharge conditions.
Book Synopsis National Dam Inspection Program. Lake Jo-Ann Dam (Bracco Dam) (NDI Number PA 00504, PennDER Number 63-60), Ohio River Basin, Branch of Peters Creek, Washington County, Pennsylvania. Phase I Inspection Report by : John A. Dziubek
Download or read book National Dam Inspection Program. Lake Jo-Ann Dam (Bracco Dam) (NDI Number PA 00504, PennDER Number 63-60), Ohio River Basin, Branch of Peters Creek, Washington County, Pennsylvania. Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1980 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Jo-Ann Dam, formerly known as Bracco Dam, is classified as a 'High' hazard - 'Small' size dam. The dam and reservoir, owned by Mr. Daniel Carapellucci, Sr., are used for recreational purposes. The dam was found to be in fair overall condition at the time of the inspection. 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 will pass 27.5 percent of the Probable Maximum Flood (PMF) before overtopping of the dam occurs. A spillway design flood (SDF) in the range of the 1/2 Probable Maximum Flood (1/2 PMF) to the PMF is required for Lake Jo-Ann Dam. Because the dam is on the low end of the 'Small' size category, the 1/2 PMF was selected as the SDF. It was determined that during the 1/2 PMF the embankment would be overtopped by a maximum depth of 0.89 foot and a total duration of 5.00 hours. Because a limiting criteria of one foot or greater of overtopping and duration in excess of 2 hours was estimated for this dam, it was concluded that a dam failure during the 1/2 PMF is unlikely to occur.
Book Synopsis National Dam Inspection Program. Refuse Settling Basin (NDI Number PA 00908, PennDER Number 63-78), Ohio River Basin, Sawmill Creek, Washington County, Pennsylvania. Phase I Inspection Report by : ACKENHEIL AND ASSOCIATES INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Refuse Settling Basin (NDI Number PA 00908, PennDER Number 63-78), Ohio River Basin, Sawmill Creek, Washington County, Pennsylvania. Phase I Inspection Report written by ACKENHEIL AND ASSOCIATES INC PITTSBURGH PA. and published by . This book was released on 1980 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: The general condition of the Refuse Settling Basin is considered to be fair. This assessment is based on visual observations that indicate a possible inadequate margin of safety against slope failure of a high ground water level exists in Embankment A. The condition is not considered to represent an immediate threat to the structure because of the relatively low impoundment pool elevation. It should, however, be evaluated. If a high ground water does not exist in Embankment A, the facility can be considered to be in good condition. The structure is classified as an 'intermediate' size, 'high' hazard dam. Corps of Engineers guidelines recommend the Probable Maximum Flood (PMF) as the Spillway Design Flood for an 'intermediate' size, 'high' hazard dam. The visual inspection indicated several minor deficiencies in addition to the possible high ground water condition. The deficiencies can be corrected or improved through implementation of the following recommended evaluation, remedial, monitoring and/or maintenance efforts.
Book Synopsis National Dam Inspection Program. Butler's Lake Dam (NDI Number PA-01067, PennDER Number 2-29) Ohio River Basin, Drennen Branch, Allegheny County, Pennsylvania. Phase I Inspection Report by : ACKENHEIL AND ASSOCIATES INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Butler's Lake Dam (NDI Number PA-01067, PennDER Number 2-29) Ohio River Basin, Drennen Branch, Allegheny County, Pennsylvania. Phase I Inspection Report written by ACKENHEIL AND ASSOCIATES INC PITTSBURGH PA. and published by . This book was released on 1981 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the investigation is to make a determination on whether or not the dam constitutes a hazard to human life or property. Butler's Lake Dam is classified as a 'high' hazard dam. Butler's Lake Dam is owned by Butler's Golf Course, Elizabeth, Pennsylvania 15037. The field inspection of the Butler's Lake Dam was performed on 11 December 1980, and consisted of: Visual observations of the embankment crest and slopes, groins and abutments; Visual observations of the principal (and emergency) spillway including approach and discharge channels and overflow crest; Visual observations of portions of the outlet works intake structure and conduit; Visual observations of the embankment's downstream toe area including drainage channels and surficial conditions; Visual observations of the reservoir shoreline, inlet stream channel, and watershed; Visual observations of downstream conditions and evaluation of the downstream hazard potential; Transit stadia surveys of relative elevations along the embankment crest centerline, spillway, and across the embankment slopes. The visual observations were made during periods when the reservoir was at normal operating level. There was no defined tailwater.
