IHNC Lake Borgne Surge Barrier
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IHNC Lake Borgne Surge Barrier
The Inner Harbor Navigation Canal Lake Borgne Surge Barrier is a storm surge barrier constructed near the confluence of and across the Gulf Intracoastal Waterway (GIWW) and the Mississippi River Gulf Outlet (MRGO) near New Orleans. The barrier runs generally north-south from a point just east of Michoud Canal on the north bank of the GIWW and just south of the existing Bayou Bienvenue flood control structure. Navigation gates where the barrier crosses the GIWW and Bayou Bienvenue can be worked to reduce the risk of storm surge coming from Lake Borgne and/or the Gulf of Mexico. Another navigation gate ( Seabrook Floodgate) has been constructed in the Seabrook vicinity, where the IHNC meets Lake Pontchartrain, to block a storm surge from entering the IHNC from the Lake. Purpose The Inner Harbor Navigation Canal (IHNC) surge barrier was authorized by Congress in 2006. The barrier is designed to reduce the risk of storm damage to some of the region's most vulnerable areas - Ne ...
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Gulf Intracoastal Waterway
The Gulf Intracoastal Waterway (GIWW) is the portion of the Intracoastal Waterway located along the Gulf Coast of the United States. It is a navigable inland waterway running approximately from Saint Marks, Florida, to Brownsville, Texas. The waterway provides a channel with a controlling depth of , designed primarily for barge transportation. Although the U.S. government proposals for such a waterway were made in the early 19th century, the Gulf Intracoastal Waterway was not completed until 1949. EHL & WHL mileages Locations along the Gulf Intracoastal Waterway are defined in terms of statute miles (as opposed to nautical miles, in which most marine routes are measured) east and west of Harvey Lock, a navigation lock in the New Orleans area located at . The Hathaway Bridge in Panama City, Florida, for example, is at mile 284.6 EHL (East of Harvey Lock). The Queen Isabella Causeway Bridge at South Padre Island is at mile 665.1 WHL (West of Harvey Lock). Connecting wa ...
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New Orleans Metropolitan Area
The New Orleans metropolitan area, designated the New Orleans–Metairie metropolitan statistical area by the Office of Management and Budget, U.S. Office of Management and Budget, or simply Greater New Orleans (, ), is a List of United States metropolitan areas, metropolitan statistical area designated by the United States Census Bureau encompassing seven Louisiana Parish (administrative division), parishes—the equivalent of County (United States), counties in other U.S. states—centered on the city of New Orleans. The population of Greater New Orleans was 1,007,275 in 2020. Greater New Orleans is the most populous metropolitan area in Louisiana, and the 45th most populous in the United States. The broader New Orleans–Metairie–Slidell combined statistical area had a population of 1,373,453 in 2020. The New Orleans metropolitan area was devastated by Hurricane Katrina—once a Saffir–Simpson Hurricane Scale#Category 5, category 5 hurricane, but a Category 3 hurricane, cat ...
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Sector Gate
Sector may refer to: Places * Sector, West Virginia, U.S. Geometry * Circular sector, the portion of a disc enclosed by two radii and a circular arc * Hyperbolic sector, a region enclosed by two radii and a hyperbolic arc * Spherical sector, a portion of a sphere enclosed by a cone of radii from the center of the sphere Social and economic * Business sector, part of the economy which involves the trading and sale of products by companies * Economic sector, the manufacturing, finance and production of goods for consumers * Private sector, business activity created by private enterprise for profit * Public sector, delivers social services, infrastructure and institutions administered by government * Voluntary sector, a non-profit and voluntary part of an economy provided by organisations * The sector of the sector directive in government procurement in the European Union Computing * Cylinder-head-sector, an early method for giving addresses to blocks of data on a hard drive * Dis ...
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Hurricane Isaac (2012)
Hurricane Isaac was a deadly and destructive tropical cyclone that landfall (meteorology), came ashore in the U.S. state of Louisiana during August 2012. The ninth tropical cyclone naming, named storm and fourth hurricane of the 2012 Atlantic hurricane season, annual hurricane season, Isaac originated from a tropical wave that moved off the west coast of Africa on August 16. Tracking generally west, a broad low-pressure area, area of low pressure developed along the wave axis the next day, and the disturbance developed into a tropical depression early on August 21 while several hundred miles east of the Lesser Antilles. The system intensified into a tropical storm shortly thereafter, but high wind shear initially prevented much change in strength. Isaac tracked between Guadeloupe and Dominica late on August 22, and then turned towards the west-northwest and entered a region favorable for intensification; it passed over Haiti and Cuba at strong tropical storm str ...
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Hurricane Katrina
Hurricane Katrina was a powerful, devastating and historic tropical cyclone that caused 1,392 fatalities and damages estimated at $125 billion in late August 2005, particularly in the city of New Orleans and its surrounding area. It is tied with Hurricane Harvey as being the List of the costliest tropical cyclones, costliest tropical cyclone in the Atlantic basin. Katrina was the twelfth tropical cyclone, the fifth hurricane, and the third major hurricane of the 2005 Atlantic hurricane season. It was also the fourth-most intense Atlantic hurricane to make landfall in the contiguous United States, gauged by barometric pressure. Katrina formed on August 23, 2005, with the merger of a tropical wave and the remnants of a tropical depression. After briefly weakening to a Tropical cyclone, tropical storm over south Florida, Katrina entered the Gulf of Mexico on August 26 and Rapid intensification, rapidly intensified to a Saffir–Simpson scale, Category 5 hurricane befo ...
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Flood Wall
A floodwall is a freestanding, permanent, engineered structure designed to prevent encroachment of floodwaters. Floodwalls are mainly used on locations where space is scarce, such as cities or where building levees or dikes (dykes) would interfere with other interests, such as existing buildings, historical architecture or commercial use of embankments. Floodwalls are nowadays mainly constructed from pre-fabricated concrete elements. Floodwalls often have coupures, which are large openings to provide passage of traffic except during periods of flooding, when they are closed. As a floodwalls mostly consist of relatively short elements compared to dikes, the connections between the elements are critical to prevent the failure of the floodwall. The substantial costs of floodwalls can be justified by the value of commercial property thus protected from damage caused by flooding. Floodwalls are sometimes bad for ecosystems. Floodwalls are almost always built in cities. See als ...
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Pile Driving
A pile driver is a heavy-duty tool used to drive piling, piles into soil to build piers, bridges, cofferdams, and other "pole" supported structures, and patterns of pilings as part of permanent deep foundations for buildings or other structures. Pilings may be made of wood, solid steel, or tubular steel (often later filled with concrete), and may be driven entirely underwater/underground, or remain partially aboveground as elements of a finished structure. The term "pile driver" is also used to describe members of the construction crew associated with the task,Piles and Pile Foundations. C.Viggiani, A.Mandolini, G.Russo. 296 pag, ISBN 978-0367865443, ISBN 0367865440 also colloquially known as "pile bucks". The most common form of pile driver uses a heavy weight situated between vertical guides placed above a pile. The weight is raised by some motive power (which may include hydraulics, steam power, steam, Diesel engine, diesel, electrical motor, or manual labor). At its apex ...
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Groundbreaking
Groundbreaking, also known as cutting, sod-cutting, turning the first sod, turf-cutting, or a sod-turning ceremony, is a traditional ceremony in many cultures that celebrates the first day of construction for a building or other project. Such ceremonies are often attended by dignitaries such as politicians and businesspeople. The shovel used during the groundbreaking is often a special ceremonial shovel, sometimes colored gold, meant to be saved for subsequent display and may be engraved. In other groundbreaking ceremonies, a bulldozer is used instead of a shovel to mark the first day of construction. In some groundbreaking ceremonies, the shovel and the bulldozer mark the first day of construction. In other places, this ceremony can be replaced by a "laying of the first stone" event. Meaning When used as an adjective, the term ''groundbreaking'' may mean being or making something that has never been done, seen, or made before, "stylistically innovative works". History Groun ...
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Ecological Footprint
The ecological footprint measures human demand on natural capital, i.e. the quantity of nature it takes to support people and their economies. It tracks human demand on nature through an ecological accounting system. The accounts contrast the biologically productive area people use to satisfy their consumption to the biologically productive area available within a region, nation, or the world (biocapacity). Biocapacity is the productive area that can regenerate what people demand from nature. Therefore, the metric is a measure of human impact on the environment. As Ecological Footprint accounts measure to what extent human activities operate within the means of our planet, they are a central metric for sustainability. The metric is promoted by the Global Footprint Network which has developed standards to make results comparable. FoDaFo, supported by Global Footprint Network and York University are now providing the national assessments of Footprints and biocapacity. Footprint and b ...
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Risk Management
Risk management is the identification, evaluation, and prioritization of risks, followed by the minimization, monitoring, and control of the impact or probability of those risks occurring. Risks can come from various sources (i.e, Threat (security), threats) including uncertainty in Market environment, international markets, political instability, dangers of project failures (at any phase in design, development, production, or sustaining of life-cycles), legal liabilities, credit risk, accidents, Natural disaster, natural causes and disasters, deliberate attack from an adversary, or events of uncertain or unpredictable root cause analysis, root-cause. Retail traders also apply risk management by using fixed percentage position sizing and risk-to-reward frameworks to avoid large drawdowns and support consistent decision-making under pressure. There are two types of events viz. Risks and Opportunities. Negative events can be classified as risks while positive events are classifi ...
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Shaw Group
The Shaw Group is a pipe and steel fabrication firm specializing in induction bending. Headquartered in Houston, Texas, Shaw employs approximately 1,400 people across its offices and operations in North America and the Middle East. History Shaw was founded in 1986 by J.M. Bernhard Jr., Oscar J.LaFleur, and A.W. Angelo as a fabrication shop. The company was originally known as Shaw Industries Inc. Shaw grew by acquiring stock of Alloy Piping Products, Fronek A/DE, Inc, Naptech, Inc., Pipe Shields Inc., United Crafts, Inc., Merit Industrial Constructors, Inc., Cojafex B.V., Prospect Industries plc, joined with Entergy Corporation to create EntergyShaw L.L.C., Stone & Webster Inc., IT Corporation, Envirogen, Inc., MWR, Inc., Badger Technologies from Washington Group International, and Energy Delivery Services from Duke Energy Global Markets, Inc. In 2006 the company acquired a 20% interest in the Westinghouse Electric Company, the rest majority owned by Toshiba. In September ...
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