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National Dam Inspection Program Doverspike Number 1 Dam Ndi Id Pa 01131 Der Id 33 56 Ohio River Basin Cherry Run Jefferson County Pennsylvania Phase I Inspection Report
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Book Synopsis National Dam Inspection Program. Doverspike Number 1 Dam (NDI ID PA-01131, DER ID 33-56). Ohio River Basin, Cherry Run, Jefferson County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Doverspike Number 1 Dam (NDI ID PA-01131, DER ID 33-56). Ohio River Basin, Cherry Run, Jefferson County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Andersen and published by . This book was released on 1980 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the evaluation of the existing conditions, the condition of Doverspike No. 1 Dam is considered to be poor due to the inadequate size of the emergency spillway discharge channel. Field observations indicate that the capacity of the discharge channel is significantly less than the capacity of the emergency spillway overflow section, and a major portion of the flow passing the control section would spill onto the embankment, posing a potential for erosion of the embankment. The condition of the embankment is considered to be good. According to the recommended criteria, intermediate size dams in the high hazard category are required to pass full probable maximum flood (PMF) without overtopping the embankment. The flood discharge capacity was evaluated according to the recommended criteria and was found to pass about 30 percent of the PMF without overtopping the embankment. Therefore, the spillway capacity is rated to be inadequate. Because overtopping of the embankment during the passage of 50 percent of the PMF for a duration of 3.2 hours with a maximum depth of 0.4 foot is not considered to present a serious breach potential, the spillway is not considered to be seriously inadequate.
Book Synopsis Ohio River Basin, Cherry Run, Jefferson County, Pennsylvania by : National Dam Inspection Program
Download or read book Ohio River Basin, Cherry Run, Jefferson County, Pennsylvania written by National Dam Inspection Program and published by . This book was released on 1980 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Doverspike Number 2 Dam (NDI I.D. PA-00810, DER I.D. 33-57), Ohio River Basin, Caylor Run, Jefferson County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Doverspike Number 2 Dam (NDI I.D. PA-00810, DER I.D. 33-57), Ohio River Basin, Caylor Run, Jefferson County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Andersen and published by . This book was released on 1980 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The condition of Doverspike No. 2 Dam is considered to be good, except that the dam has no outlet works and no formally engineered spillway facilities. A low spot on the crest of the dam located at the junction of the embankment and the right abutment appears to be the intended spillway overflow section. On the dates of inspection, the pool level was found to be approximately 5 feet below the low spot on the crest of the dam, and as reported by the representative of the owner, the pool is normally maintained at that level by seepage and evaporation losses from the reservoir. According to the recommended criteria, intermediate size dams in the significant hazard category are required to pass from 50 percent of the probable maximum flood (PMF) to full PMF. In view of the downstream damage potential, the lower limit of the recommended range is considered to be applicable to this dam. The flood discharge capacity was evaluated according to the recommended procedure and the dam was found to impound less than 20 percent of the PMF without overtopping the embankment. Therefore, the flood discharge capacity of the dam is classified to be inadequate.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1980 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Kyle Dam (NDI ID Number PA-417 DER ID Number 33-1), Ohio River Basin, Kyle Run, Jefferson County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Kyle Dam (NDI ID Number PA-417 DER ID Number 33-1), Ohio River Basin, Kyle Run, Jefferson County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1979 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kyle Dam consists of an earth embankment approximately 1000 feet long with a maximum height of 33 feet from the downstream toe and a crest width of 12 feet. The flood discharge facilities for the dam consist of two open channels, one located on each abutment. The 50-foot-wide rectangular concrete channel on the left abutment (looking downstream) constitutes the primary spillway of the reservoir. The 71-foot-wide rectangular concrete channel on the right abutment is the emergency spillway of the dam. The crest of the emergency spillway is about 0.9 foot above the crest level of the primary spillway, as measured during this inspection. The outlet works consist of a reinforced concrete intake tower, two 12-inch cast-iron supply pipes, and two 30-inch cast-iron outlet pipes. Pipes through the embankment are encased in concrete. Flow through the outlet pipes is controlled by manually sluice gates located in the intake tower. The two 30-inch outlet pipes constitute the emergency drawdown facility for the reservoir. (Author).
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 1981 with total page 1532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Cloe Dam (NDI ID Number PA-421, DER ID Number 33-2), Ohio River Basin, Jackson Run, Jefferson County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Cloe Dam (NDI ID Number PA-421, DER ID Number 33-2), Ohio River Basin, Jackson Run, Jefferson County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1979 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cloe Dam consists of an earth embankment approximately 900 feet long with a maximum height of 43 feet from the downstream toe and a crest width of 14 feet. The upstream face of the dam is protected by hand-placed riprap. The crest and the downstream slope extending from crest level to a berm at midheight of the embankment is covered with grass. The downstream slope below the berm level is protected by riprap. The flood discharge facilities for the dam consist of an 85-foot-wide rectangular concrete overflow structure located on the left abutment (looking downstream). A concrete wall parallel to the flow direction divides the overflow structure into two open channels. The 50-foot-wide channel adjacent to the left abutment consitutes the primary spillway of the reservoir. The remaining 35-foot section of the overflow structure adjacent to the embankment provides auxiliary spillway capacity. The crest of the auxiliary spillway section is 0.4 foot above the crest level of the primary spillway, as measured during this inspection. The outlet works consist of a reinforced concrete intake tower, two 10-inch cast-iron supply pipes, and two 24-inch cast-iron outlet pipes. Pipes through the embankment are encased in concrete. Flow through the outlet pipes is controlled by manually operated sluice gates located in the intake tower. The two 24-inch outlet pipes constitute the emergency drawdown facility for the reservoir. (Author).
Book Synopsis National Dam Inspection Program. Clover Dam (NDI ID Number PA-420, DER ID Number 33-4) Ohio River Basin, Clover Run, Jefferson County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Clover Dam (NDI ID Number PA-420, DER ID Number 33-4) Ohio River Basin, Clover Run, Jefferson County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1980 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clover Dam consists of an earth embankment constructed around timber cribbing filled with stone and earthen materials. The dam has a crest length of approximately 550 feet with a maximum height of approximately 31 feet from the downstream toe. The crest width of the dam is about 25 feet with a downstream slope of 2.5H to 1V. A portion of the downstream slope near the left abutment is steeper (approximately 1H:1V). A steel sheet-pile wall exists along the upstream edge of the crest for the total length of the embankment. The sheet piling appears to be battered (approximately 1H:3V). The flood discharge facilities for the dam consist of an overflow spillway located at the center of the embankment. The steel sheet piling on the upstream face of the dam continues across the crest of the spillway. The spillway is approximately 60 feet long and is about 3-1/2 feet deep at the right abutment wall. The spillway discharge channel is a rectangular reinforced concrete channel. The channel is 61 feet wide at the overflow section and then converges uniformly to a width of about 40 feet at midheight of the embankment. The discharge channel terminates at a plunge pool at the toe level of the dam. Commonwealth inspection reports indicate that the spillway discharge channel was directly founded on timber cribbing.
Book Synopsis National Dam Inspection Program. Cherry Valley Dam (NDI-PA-508, DER-63-56), Ohio River Basin, Racoon Creek, Washington County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Andersen
Download or read book National Dam Inspection Program. Cherry Valley Dam (NDI-PA-508, DER-63-56), Ohio River Basin, Racoon Creek, Washington County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Andersen and published by . This book was released on 1979 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Cherry Valley Dam consists of an earth embankment approximately 475 feet long, with a maximum height of 33 feet from the downstream toe, and a crest width of 10 feet. The flood discharge facilities for the dam consist of a combined primary and emergency spillway located on the right abutment (looking downstream). The spillway structures consist of an approach channel, a concrete overflow section, a spillway discharge channel, and stilling basin. The overflow structure of the spillway is a 130-foot-long concrete ogee section located at an elevation approximately 7.5 feet below the dam crest. The flow from the overflow section discharges into a trapezoidal concrete discharge channel which terminates at a plunge pool at the toe level of the dam near the right abutment. The outlet works consist of a concrete intake tower and two 24-inch cast-iron pipes through the embankment located at the center of the dam. The pipes are encased in concrete through the embankment and are equipped with concrete cutoff collars. The pipes receive flow from the wet intake tower and discharge into the outlet works discharge channel near the downstream toe of the dam. Flow through the pipes is controlled by gate valves located in a concrete valve chamber at the downstream end. This outlet system constitutes the emergency drawdown facility for the dam.
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 932 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Dam Inspection Program. Reynoldsville Storage Dam (NDI ID PA-01130, DER ID 33-5), Ohio River Basin, Pitchpine Run, Jefferson County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Reynoldsville Storage Dam (NDI ID PA-01130, DER ID 33-5), Ohio River Basin, Pitchpine Run, Jefferson County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1980 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the evaluation of the existing conditions, the condition of Reynoldsville Storage Dam is considered to be unsafe/nonemergency due to seriously inadequate spillway capacity. The condition of the embankment is considered to be poor. The spillway structures were found to be significantly deteriorated. Extensive seepage on the order of 100 to 200 gallons per minute was observed seeping through the spillway structures. The abutment walls of the spillway were constructed about 2 feet below the mean dam crest elevation, posing a potential for erosion of the embankment and the abutment in the event of large flows through the spillway. The downstream face of the dam was found to be on a steep slope (approximately 1.5H to 1V) with swampy areas at the downstream toe level of the dam. The downstream end of the outlet pipe was found to be blocked by debris and siltation, indicating that it has not been functional for some time. In view of the above deficiencies and lack of any design information, it is considered advisable that the dam be evaluated in detail by a professional engineer to assess the structural integrity of the embankment and prepare and execute plans for the rehabilitation of the spillway structures and outlet facilities. According to the recommended criteria, small dams in the high hazard category are required to pass from 50 percent to full probable maximum flood (PMF). In view of the downstream damage potential the upper limit of the recommended range is considered to be applicable to this dam. The flood discharge capacity was evaluated according to the recommended criteria and was found to pass 20 percent of the PMF without overtopping the abutment walls of the spillway.
Book Synopsis National Dam Inspection Program. Little Blue Run Dam (NDI ID Number PA 917, DER ID Number 4-49), Ohio River Basin, Little Blue Run, Beaver County, Pennsylvania. Phase I Inspection Report by : Lawrence D. Anderson
Download or read book National Dam Inspection Program. Little Blue Run Dam (NDI ID Number PA 917, DER ID Number 4-49), Ohio River Basin, Little Blue Run, Beaver County, Pennsylvania. Phase I Inspection Report written by Lawrence D. Anderson and published by . This book was released on 1979 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the evaluation of the existing conditions on March 14 and April 16, 1979, the condition of Little Blue Run Dam is considered to be good. No conditions were noted at this time that would significantly affect the structural performance of the dam. The flood discharge facilities for the dam were designed to pass the probable maximum flood (PMF) without overtopping the embankment. Therefore, according to the recommended criteria, the flood discharge facilities of the dam are adequate. Presently, the pool elevation is approximately 170 feet below the dam crest level. The pool elevation is expected to reach spillway crest level in about the year 2010. The following recommendations should be implemented on a continuing basis: (1) The cracking observed on the crest should continue to be evaluated by the design engineers. Also, attention should be given to the slump and seepage observed on the left abutment. Erosion ditches on the right abutment should be filled; and (2) A formal warning system should be developed to alert the downstream residents in the event of emergencies.
Book Synopsis National Dam Inspection Program. Cherry Run Dam (NDS I.D. Number PA-00278 PENNDER I.D. Number 32-40), Ohio River Basin, Cherry Run, Indiana County, Pennsylvania. Phase I Inspection Report by : Bernard M. Mihalcin
Download or read book National Dam Inspection Program. Cherry Run Dam (NDS I.D. Number PA-00278 PENNDER I.D. Number 32-40), Ohio River Basin, Cherry Run, Indiana County, Pennsylvania. Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1979 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cherry Run Dam is a zoned earth embankment with a central concrete corewall. The embankment measures approximately 430 feet long (including spillway) and 22 feet high. The facility is provided with an ogee-shaped concrete spillway located about 100 feet from the right abutment. The spillway crest is 132 feet long. Based on a visual inspection, maintenance of Cherry Run Dam appears minimal to non-existent and the facility is considered to be in poor condition. Deficiencies noted by the inspection team included heavy overgrowth of the embankment sections (particularly to the right of the spillway), delamination of the spillway surface, cracking and misalignment of the spillway wingwalls, heavy overgrowth within the discharge channel, an inoperable outlet works, and no emergency warning systems in effect. Results of the hydrologic and hydraulic analysis indicate the facility will pass and/or store only 40 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.
Book Synopsis National Dam Inspection Program. PA-479 Dam (NDI ID Number PA-509, DER ID Number 63-71), Ohio River Basin, Harmon Creek, Washington County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. PA-479 Dam (NDI ID Number PA-509, DER ID Number 63-71), Ohio River Basin, Harmon Creek, Washington County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1979 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: The PA-479 dam is one of the 14 flood control projects in the Harmon Creek watershed. The dam consists of an earth embankment approximately 650 feet long with a maximum height of 63 feet from the downstream toe and a crest width of 14 feet. The flood discharge facilities for the dam consist of a drop inlet primary spillway located near the left abutment (looking downstream) and an emergency spillway, also located on the left abutment. Based on the evaluation of the conditions as they existed on the dates of inspection and as revealed by visual observations, the condition of PA-479 dam is assessed to be good. The spillway capacity is classified as adequate according to the recommended criteria.
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. 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. Brookville Water Works Dam (NDI ID Number PA-422, DER ID Number 33-3) Ohio River Basin, North Fork Creek, Jefferson County, Pennsylvania. Phase I Inspection Report by : D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA.
Download or read book National Dam Inspection Program. Brookville Water Works Dam (NDI ID Number PA-422, DER ID Number 33-3) Ohio River Basin, North Fork Creek, Jefferson County, Pennsylvania. Phase I Inspection Report written by D'APPOLONIA CONSULTING ENGINEERS INC PITTSBURGH PA. and published by . This book was released on 1980 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the evaluation of the existing conditions, Brookville Water Works Dam was found to be in good condition and adequately maintained. The flood discharge capacity of the dam was evaluated according to the recommended procedure and was found to pass less than the 100-year flood without overtopping the embankment portion of the dam. The recommended spillway capacity range is between the 100-year flood and 50 percent of the probable maximum flood (PMF). Considering the low downstream damage potential, the lower limit of the recommended spillway capacity range was considered to be applicable to this dam. Therefore, the flood discharge capacity is classified to be inadequate. However, considering that the slopes of the earth embankment are protected with riprap and the dam has a concrete core wall, and further that the dam has withstood overtoppings in the past without breaching, overtopping of the earth embankment during the passage of 100-year flood can be permitted. Therefore, enlargement of the spillway is not considered to be justified. (Author).
