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Book Hydraulic Model Studies of Folsom Spillway outlet Junction

Download or read book Hydraulic Model Studies of Folsom Spillway outlet Junction written by T. J. Isbester and published by . This book was released on 1971 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Two dimensional Hydraulic Model of Folsom Dam Breach Under the Maximum Probable Flood

Download or read book Two dimensional Hydraulic Model of Folsom Dam Breach Under the Maximum Probable Flood written by Michael Pantell and published by . This book was released on 2017 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Folsom Dam and 11 earthen structures make up Folsom Reservoir, located on the American River east of Sacramento, California. These structures were constructed by the United States Army Corps of Engineers (USACE) in 1956 to create a reservoir that can hold 1.38 billion cubic meters (1.12 million acre-feet) which protects approximately 1.5 million people as well as the States seat of government from flooding. In recent years, updated hydrologic information has been used to better estimate the probable maximum flood (PMF) that can be expected to inflow into Folsom Reservoir. It was found that this PMF inflow was greater than the outflow capability of the current dam structure and could put the earthen structures that surround the reservoir at risk of failing. A spillway has been constructed to increase the outflow capabilities of the reservoir and is slated to be operational in 2017. As a part of spillway design process, the USACE developed a hydraulic model to estimate the flooding that results from scenarios with and without the spillway. However, this model and the resulting inundation areas are not available to the public and many local agencies. This project used Hydrologic Engineering Center River Analysis Software Version 5.0 (HEC RAS 5.0) two-dimensional hydraulic modeling capabilities and publicly available information to model multiple flooding scenarios with and without the spillway during a PMF event. Since without the spillway present, massive overtopping would occur which would likely lead to a breach along one of the earthen structures, the model also estimated multiple breaching scenarios. Two breach methods were applied to earthen structure on the north and south sides of the reservoir to better estimate the range of possible flows and spatial differences in the floodplain. The resulting floodplain for all worst-case scenarios, produced high flooding depths along the American River, Downtown Sacramento and the Pocket and Natomas regions of greater than 4 meters (13.12 feet). Due to the breaches along the north and south earthen structures, the without spillway scenarios produced much greater flooding extents and depths than the with spillway scenario. The northern breach diverted flows into Arcade, Linda and Dry creeks which produced flooding depths of greater than 4 meters (13.12 feet) along the creeks and increases the extent of flooding in the Natomas regions. The southern breach produced flooding depths of greater than 4 meters (13.12 feet) in Folsom and increases the floodplain south of the American River. Using peer-reviewed papers and information provided by the State of California, mortality and single family home property damage rates were estimated for each of the worst-case scenarios. Both mortality and property damage rates closely followed floodplain depths with the highest risk and costs being along the American River, Downtown Sacramento and in the Pocket and Natomas regions. Although this information is not 100% accurate, it does provide helpful guidelines for emergency response and planning purposes. To prepare for a PMF event, evacuating areas along the American River, the Pocket area, the Natomas area and Downtown Sacramento should be considered high priority for saving the most lives. To prepare for the uncertainty of which earthen structure will breach, areas in Folsom near the reservoir and areas along natural creeks such as Dry Creek, Linda Creek and Arcade Creek should also be evacuated. Other areas that have predicted flooding, should also be evacuated to high ground.

Book Hydraulic Model Study of the Enlarged Outlets at Folsom Dam

Download or read book Hydraulic Model Study of the Enlarged Outlets at Folsom Dam written by K. Warren Frizell and published by . This book was released on 2005 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Hydraulic Model Studies of the Trinity Dam Morning glory Spillway Trinity River Division Central Valley Project California

Download or read book Hydraulic Model Studies of the Trinity Dam Morning glory Spillway Trinity River Division Central Valley Project California written by Warren B. McBirney and published by . This book was released on 1960 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Hydraulic Model Studies of Cachuma Dam Spillway Cachuma Project California

Download or read book Hydraulic Model Studies of Cachuma Dam Spillway Cachuma Project California written by Engineering and Research Center (Denver, CO ; bis 1988). Engineering Laboratories Branch and published by . This book was released on 1954 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Hydraulic Model Studies Relating to the Design of the Keswick Dam Spillway and Fishway Central Valley Project California

Download or read book Hydraulic Model Studies Relating to the Design of the Keswick Dam Spillway and Fishway Central Valley Project California written by James Wesley Ball and published by . This book was released on 1943 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Hydraulic Model Studies of the Altus Dam Spillways Altus Project Oklahoma

Download or read book Hydraulic Model Studies of the Altus Dam Spillways Altus Project Oklahoma written by J. A. Lindsey and published by . This book was released on 1943 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Hydraulic Model Studies of the Flood Control Outlet and Spillway for Oroville Dam California Department of Water Resources State of California

Download or read book Hydraulic Model Studies of the Flood Control Outlet and Spillway for Oroville Dam California Department of Water Resources State of California written by T. J. Rhone and published by . This book was released on 1965 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Hydraulic Model Study for the Optimization of the Spillway at Batavia Dam Fox River Illinois

Download or read book Hydraulic Model Study for the Optimization of the Spillway at Batavia Dam Fox River Illinois written by Josephine M. Schuster and published by . This book was released on 2000 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Hydraulic Model Study of the Spillway and Outlet Works for the Santa Fe Flood Control Dam San Gabriel River California

Download or read book Hydraulic Model Study of the Spillway and Outlet Works for the Santa Fe Flood Control Dam San Gabriel River California written by United States. Army. Corps of Engineers and published by . This book was released on 1942 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book West Sacramento General Reevaluation Report

Download or read book West Sacramento General Reevaluation Report written by United States. Office of the Assistant Secretary of the Army (Civil Works) and published by . This book was released on 2016 with total page 1188 pages. Available in PDF, EPUB and Kindle. Book excerpt: