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Book National Dam Inspection Program  Saul Run Dam  NDI Number PA 00251  PennDER Njmber 43 48   Ohio River Basin  Saul Run  Mercer County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Saul Run Dam NDI Number PA 00251 PennDER Njmber 43 48 Ohio River Basin Saul Run Mercer County Pennsylvania Phase I Inspection Report written by BAKER (MICHAEL) JR INC BEAVER PA. and published by . This book was released on 1979 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Saul Run Dam, a flood water retarding dam designed by the U.S. Department of Agriculture, Soil Conservation Service (SCS), is also known by its SCS number PA-458. The homogeneous earth embankment has a crest length of approximately 1700 feet and a miximum hength///eight of about 40 feet. The dam crest at El. 1113.6 feet has a width of 16 feet. The upstream slope has an inclination of 3H:1V (horizontal:vertical) and an 8-foot wide berm at El. 1085 feet. The downstream slope with an inclination of 2.5H:1V also has an 8-foot wide berm at El. 1084 feet. A foundation cutoff trench with a base width of 12 feet, 1H:1V side slopes, a length of about 100 feet, and a depth of about 5 feet to bedrock was constructed in the valley bottom (Plate 5). Cutoff trenches of similiar cross-section were also constructed in the soil abutments (Plate 5). The outlet works (principal spillway in SCS terminology) consist of a reinforced concrete riser connected to a 24-inch diameter reinforced concrete pipe is located beneath the embankment in the valley bottom. The outlet pipe, with six reinforced concrete anti-seep collars, was installed on a concrete cradle founded on bedrock.

Book Technical Abstract Bulletin

Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1979 with total page 1186 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book National Dam Inspection Program  Pine Run Dam  NDI Number PA 00737  PennDER Number 43 55  SCS Number PA 491   Ohio River Basin  Pine Run  Mercer County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Pine Run Dam NDI Number PA 00737 PennDER Number 43 55 SCS Number PA 491 Ohio River Basin Pine Run Mercer County Pennsylvania Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1980 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pine Run Dam is classified as a 'Small' size - 'Significant' hazard dam. The dam, owned by the Mercer County Commissioners, is used to reduce floodwater damages in the Little Shenango Watershed. The dam and appurtenant structure were found to be in good condition at the time of the inspection. Hydraulic/hydrologic evaluations, performed in accordance with procedures established by the Baltimore District, U.S. Army Corps of Engineers, for PHase I Inspection Reports, revealed that the spillway will pass the Probable Maximum Flood (PMF) without overtopping the dam. 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 Pine Run Dam. The spillway is therefore considered to be 'adequate'. The visual inspection and review of information did not reveal any problems or deficiencies which require remedial action by the owners of the dam at this time. It is recommended that the owners continue their inspections and maintenance programs to maintain the dam in good condition. (Author).

Book National Dam Inspection Program  Speers Run Dam NDI Number Pa   505  Ohio River Basin  Speers Run  Washington County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Speers Run Dam NDI Number Pa 505 Ohio River Basin Speers Run Washington County Pennsylvania Phase I Inspection Report written by Bernard M. Mihalcin and published by . This book was released on 1978 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Dam Inspection Act, Public Law 92-367 authorized the Secretary of the Army, through the Corps of Engineers, to initiate a program of inspection of dams throughout the United States. The purpose is to determine if the dam constitutes a hazard to human life or property.

Book National Dam Inspection Program  Hadley Dam  PA 489  NDI Number PA 00245  PennDER Number 43 52  SCS Number PA 489   Ohio River Basin  Morrison Run  Mercer County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Hadley Dam PA 489 NDI Number PA 00245 PennDER Number 43 52 SCS Number PA 489 Ohio River Basin Morrison Run Mercer County Pennsylvania Phase I Inspection Report written by Chuan Yuan Chen and published by . This book was released on 1979 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hadley Dam, a floodwater retarding dam designed by the U.S. Department of Agriculture, Soil Conservation Service (SCS), is also known by its SCS number PA 489. The zoned earthfill embankment has a crest length of 750 feet, a maximum height of 51 feet, and a top width of 18 feet. The upstream side slope is 3H:1V (Horizontal to Vertical) with a 10-foot wide berm at E1. 1108.0 feet. The downstream side slope is 2H:1V with a 10-foot wide berm at E1. 1117.0 feet. A foundation drain is provided under the downstream portion of the embankment. A 4-foot wide trench was excavated in the foundation to depths varying from 3 to 10 feet. A 12-inch diameter perforated drainpipe is provided in the foundation drain with its outlet discharging into the impact basin. The principal spillway is located approximately 630 feet from the left abutment. The main features of the spillway are a pond drain, a reinforced concrete riser and a pipe conduit through the fill with an impact basin at the discharge end.

Book National Dam Inspection Program   PA 474  PA No Name Number 35   NDI Number PA 00249  PennDer Number 43 50  SCS Number PA 474   Ohio River Basin  Saw Mill Run  Mercer County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program PA 474 PA No Name Number 35 NDI Number PA 00249 PennDer Number 43 50 SCS Number PA 474 Ohio River Basin Saw Mill Run Mercer County Pennsylvania Phase I Inspection Report written by Chuan Yuan Chen and published by . This book was released on 1979 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: PA 474 (also referred to as PA No Name No. 35) was designed by the U.S. Department of Agriculture, Soil Conservation Service (SCS) for floodwater detention. The dam consists of a zoned earth embankment, a vegetated earth emergency spillway channel, a riser intake with a 36-inch diameter outlet conduit, and a saddle dike located to the right of the main embankment. The crest length of the main embankment is 1640 feet. The maximum height of the dam at the original steambed is 30 feet. The dam crest is at E1. 1264.3 feet and the top width is 14 feet. The inclination of the upstream face is 2.5H;1V (Horizontal to Vertical) with a 10-foot wide berm at E1. 1242 feet. The downstream slope is 2.5h:1V. A filter trench was installed in the downstream prism of the embankment from original Station 4+92 to 9+77. A portion of the filter trench is provided with 6-inch diameter filter drainpipe. The two outlets of the filter drainpipes exit into the impact basin approximately 1 foot downstream of the baffle wall. To the right of the main embankment is a small knoll which separates the saddle dike from the main embankment. This knoll consists primarily of sandy silt (ML) soils and is approximately 540-feet long between the two embankments. The crest length of the dike is 670 feet and the maximum height is 9 feet. The crest width of the homogeneous embankment (dike) is 14 feet. The inclination of both the upstream and downstream slopes of the dike is 2.5h:1V. (Author).

Book National Dam Inspection Program  Mathay Dam  NDI Number PA 00247  PennDER Number 43 46  SCS Number PA 459   Ohio River Basin  Mathay Run  Mercer County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Mathay Dam NDI Number PA 00247 PennDER Number 43 46 SCS Number PA 459 Ohio River Basin Mathay Run Mercer County Pennsylvania Phase I Inspection Report written by Chuan Yuan Chen and published by . This book was released on 1979 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathay Dam, a flood water retarding dam designed by the U.S. Department of Agriculture, Soil Conservation Service (SCS), is also known by its SCS number PA 459. The dam is a homogeneous earth embankment with a crest length of approximately 3260 feet and a maximum height of about 22 feet. The material available for construction of the dam consisted primarily of silty (ML) and silty clay (ML-CL) soils, with a lesser amount of silty sand (SM) soil. A 5-foot deep foundation cutoff trench with a base width of 15 feet was constructed along the centerline of the dam from Station 13+30 to Station 19+34. A filter trench with two drain outlets was installed in the main embankment from Station 14+94 to Station 18+41.

Book National Dam Inspection Program  Little Shenango Dam  NDI ID Number PA 00246  PennDER Number 43 54   Ohio River Basin  Calvin Clark Run  Mercer County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Little Shenango Dam NDI ID Number PA 00246 PennDER Number 43 54 Ohio River Basin Calvin Clark Run Mercer County Pennsylvania Phase I Inspection Report written by BAKER (MICHAEL) JR INC BEAVER PA. and published by . This book was released on 1979 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Little Shenango Dam (PA 490) is a homogeneous earth floodwater retarding dam designed by the U.S. Department of Agriculture, Soil Conservation Service. The dam has a crest length of 430 feet, a maximum height of 45 feet, a storage volume of 472 acre-feet at spillway crest level, and a storage volume of 19 acre-feet at normal pool level. The dam was found to be in generally poor condition at the time of inspection. The inspection did disclose potential problems with seepage and piping in the dam embankment and abutments. A detailed engineering investigation of seepage, piping, erosion, and structural stability of the dam should be initiated as expeditiously as possible. Hydraulic/hydrologic evaluations revealed that the spillway will pass the Probable Maximum Flood (PMF) without overtopping the dam. The spillway is therefore considered 'adequate'.

Book National Dam Inspection Program  Lake Wilhelm Dam  NDI Number PA 00900  PennDER Number 43 53  SCS Number PA 475   Ohio River Basin  Sandy Creek  Mercer County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Lake Wilhelm Dam NDI Number PA 00900 PennDER Number 43 53 SCS Number PA 475 Ohio River Basin Sandy Creek Mercer County Pennsylvania Phase I Inspection Report written by Chuan Yuan Chen and published by . This book was released on 1979 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Wilhelm Dam, also known by its U.S. Department of Agriculture, Soil Conservation Service (SCS) number PA 475, was built for flood control and recreation. The dam, which was designed by the SCS, is a zoned earth embankment with a crest length of approximately 500 feet and a maximum height of 41.5 feet. The upstream face has a slope of 3H:1V (Horizontal to Vertical) to E1. 1191.5 feet and a 2.5H:1V slope to the top of dam E1. 1211.5 feet. To increase structural stability, two 4-foot berms are located at E1. 1191.5 feet and 1194.5 feet, a 20-foot berm is at E1. 1189.0 feet, and a 10-foot berm is at E1. 1180.0 feet. The downstream face has a slope of 2.5H:1V and the crest width is 16 feet. (Author).

Book National Dam Inspection Program  Meadville Dam  NDI Number PA 00177  PennDER Number 20 48  SCS Number PA 460   Ohio River Basin  Mill Run  Crawford County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Meadville Dam NDI Number PA 00177 PennDER Number 20 48 SCS Number PA 460 Ohio River Basin Mill Run Crawford County Pennsylvania Phase I Inspection Report written by Chuan Yuan Chen and published by . This book was released on 1979 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meadville Dam, locally known as Rainbow Lake, is a zoned earthfill dam with a crest height of 40 feet and an embankment length of 420 feet. The upstream face has a slope of 3H:1V (Horizontal to Vertical) with a 10-foot wide berm at E1. 1164.0 feet. This berm provides access to the riser unit. The downstream face has a slope of 2H:1V. The crest of the embankment is 15 feet wide. A cutoff trench is provided in the embankment, with a minimum depth of 3 feet and a bottom width of 12 feet. The protective dike around adjacent Meadville High School is also a zoned earthfill embankment. The upstream face near the auxiliary spillway has a slope of 3H:1V and the downstream face has a slope of 2H:1V. After a transition section at original Station 12+00, both the upstream and downstream slopes are 5H:1V. The dike has an approximate crest length of 1335 feet (excluding the auxiliary spillway).

Book National Dam Inspection Program  Findley Run Dam   NDI I D  Number PA 00286  PennDER I D  Number 32 43  Ohio River Basin  Findley Run  Indiana County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Findley Run Dam NDI I D Number PA 00286 PennDER I D Number 32 43 Ohio River Basin Findley Run Indiana County Pennsylvania Phase I Inspection Report written by Bernard M. Mihalcin 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 visual inspection, operational history, and available engineering data, the dam is considered to be in good condition. The size classification of the facility is small and its hazard classification is considered to be high. In accordance with the recommended guidelines, the Spillway Design Flood (SDF) for the facility ranges between the 1/2-PMF (Probable Maximum Flood) and the PMF. Due to the relatively small storage capacity and the unusually stable embankment configuration the SDF for the facility is considered to be the 1/2-PMF. Results of the hydrologic and hydraulic analysis indicate the facility is capable of passing and/or storing a flood of 1/2-PMF magnitude. Consequently, the spillway is considered adequate. It is recommended that the owner: (a) Develop a formal emergency warning system to notify downstream residents 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. (b) Observe the cracking in the spillway overflow wall and outlet conduit headwall in future inspections and take remedial measures if necessary. (c) Develop formal manuals of operation and maintenance to ensure the continued proper care of the facility.

Book National Dam Inspection Program  Star Junction Number 1 Dam  NDI Number PA 00198  PennDER Number 26 30  Ohio River Basin  Washington Run  Fayette County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Star Junction Number 1 Dam NDI Number PA 00198 PennDER Number 26 30 Ohio River Basin Washington Run Fayette County Pennsylvania Phase I Inspection Report written by William McCormick and published by . This book was released on 1980 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Star Junction No. 1 dam consists of an earthfill embankment and masonry spillway on the right abutment. The dam has a crest length of 545 feet, a maximum height of 35 feet and a storage volume of 149.3 acre-feet at the spillway crest level. The dam is classified by Corps of Engineers guidelines to be a small size, high hazard structure. Based on the visual observations and the data available, the dam is categorized as being in an unsafe, non-emergency condition. The visual inspection revealed that the masonry spillway on the right abutment has deteriorated to the extent that its structural integrity during extended, large discharge conditions, is questionable.

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

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 National Dam Inspection Program  Straight Run Dam  NDI Number PA 283   Ohio River Basin  Straight Run  Indiana County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Straight Run Dam NDI Number PA 283 Ohio River Basin Straight Run Indiana 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 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Dam Inspection Act, Public Law 92-367, authorized the Secretary of the Army, through the Corps of Engineers, to initiate a program of inspection of dams throughout the United States. The purpose is to determine if the dam constitutes a hazard to human life or property.

Book National Dam Inspection Program  Lake Saxony Dam   NDI Number PA 01073  Penn DER Number 10 63   Ohio River Basin  Sarver Run  Butler County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Lake Saxony Dam NDI Number PA 01073 Penn DER Number 10 63 Ohio River Basin Sarver Run Butler 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 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Saxony Dam is located across Sarver Run, in Jefferson Township, Butler County, Pennsylvania. The dam is approximately one mile east of Saxonburg, Pennsylvania. Lake Saxony Dam is classified as a 'high' hazard dam. In the event of a dam failure, at least nine inhabited dwellings on the floodplain below the dam would be subjected to possible damage and loss of more than a few lives could result. The field inspection of Lake Saxony Dam was performed on 2 December 1980, and consisted of: Visual observations of the embankment crest and slopes, groins and abutments; Visual observations of the principal and emergency spillways including intake structures, outlet structures, and approach and discharge channels; Visual observations of the embankment's downstream toe area including drainage channels and surficial conditions; Transit stadia field measurements of relative elevations along the embankment crest centerline, spillway, and across the embankment slopes; Visual observations of the reservoir shoreline and watershed; Visual observations of downstream conditions and evaluation of the downstream hazard potential. The visual observations and measurements were made during periods when the reservoir and tailwater were at normal operating levels.

Book National Dam Inspection Program  Polk Dam  NDI Number PA 00253  PennDER Number 61 7   Ohio River Basin  Piffer Run of Little Sandy Creek  Venango County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Polk Dam NDI Number PA 00253 PennDER Number 61 7 Ohio River Basin Piffer Run of Little Sandy Creek Venango County Pennsylvania Phase I Inspection Report written by John A. Dziubek and published by . This book was released on 1980 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polk Dam is owned by the Polk State School and Hospital 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 evaluations, performed in accordance with procedures established by the Baltimore District, Corps of Engineers, for Phase I Inspection Reports, revealed that the spillway will not pass the 100-year flood without overtopping the dam. 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 Polk Dam. The 100-year flood was chosen as the SDF. During the 100-year flood, the dam is overtopped by a maximum of 0.61 foot for a duration of 1.50 hours. The spillway is therefore considered 'inadequate.' It is recommended that the owner immediately initiate an engineering study to further evaluate the spillway capacity and develop recommendations for remedial measures to reduce the overtopping potential of the dam. Several items of remedial work should be performed by the owner without delay.

Book National Dam Inspection Program  Two Mile Run Dam  NDI PA 254   Ohio River Basin  Two Mile Run  Venango County  Pennsylvania  Phase I Inspection Report

Download or read book National Dam Inspection Program Two Mile Run Dam NDI PA 254 Ohio River Basin Two Mile Run Venango 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 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Dam Inspection Act, Public Law 92-367, authorized the Secretary of the Army, through the Corps of Engineers, to initiate a program of inspection of dams throughout the United States. The purpose is to determine if the dam constitutes a hazard to human life or property.