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Olivenhain Dam
The Olivenhain Dam is a gravity dam near Escondido, California. The dam was constructed between 1998 and 2003 as part of San Diego's Emergency Storage Project with the primary purpose of water supply for municipal use. It does not sit on a river or stream but is supplied with water by a system of pumps and pipes. The dam is connected to Lake Hodges and the Second San Diego Aqueduct. It is constructed of roller-compacted concrete and is the first of its type in California. Construction Ladd Associates excavated the dam's foundation and removed of material on an $8.4 million contract. Construction on the actual dam began in 2000 by Kiewit Pacific and in 2001, Morrison Knudsen Corp received a $23 million contract to install the pipeline. Concrete was poured into the dam in lifts and it was "topped off" on October 31, 2002. The entire structure to include the inlet/ outlet works, crest roadway and mechanical work was complete in August 2003. A park was also constructed around the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Escondido, California
Escondido is a city in San Diego County, California, United States. Located in the North County region, it was incorporated in 1888, and is one of the oldest cities in San Diego County. It has a population of 151,038 as of the 2020 census. Etymology "Escondido" is a Spanish word meaning "hidden". One source says the name originally referred to ''agua escondida'' or hidden water; another says it meant "hidden treasure". The city is known as ''Eskondiid'' in Kumeyaay. History The Escondido area was first settled by the Luiseño, who established campsites and villages along the creek running through the area. They named the place Mixéelum Pompáwvo or "Mehel-om-pom-pavo." The Luiseno also had another village north of Mixéelum Pompáwvo called Panakare. The Kumeyaay migrated from areas near the Colorado River, settling both in the San Pasqual Valley and near the San Dieguito River in the southwestern and western portions of what is now Escondido. Most of the villages and campsi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Reservoirs And Dams In California
Following is a list of dams and reservoirs in California in a sortable table. There are over 1,400 named dams and 1,300 named reservoirs in the state of California. Dams in service :''Please add to this list from the below sources.'' Former dams *Baldwin Hills Reservoir (1947–1963) failed December 14, 1963 *St. Francis Dam (1926–1928) failed March 12, 1928 *San Clemente Dam, intentionally removed in 2015 - 2016 because of environmental issues. *Van Norman Dams (1911–1971) failed February 9, 1971, in 1971 San Fernando earthquake Proposed dams * Ah Pah Dam (defunct) * Auburn Dam (defunct) * Centennial Dam * Sites Reservoir * Temperance Flat Dam See also *California State Water Project *List of lakes in California *List of largest reservoirs of California *List of power stations in California *List of the tallest dams in the United States * List of United States Bureau of Reclamation dams *Water in California California's interconnected water system serves over 30 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dams Completed In 2003
A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability. Hydropower is often used in conjunction with dams to generate electricity. A dam can also be used to collect or store water which can be evenly distributed between locations. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees (also known as dikes) are used to manage or prevent water flow into specific land regions. The earliest known dam is the Jawa Dam in Jordan, dating to 3,000 BC. The word ''dam'' can be traced back to Middle English, and before that, from Middle Dutch, as seen in the names of many old cities, such as Amsterdam and Rotterdam. History Ancient dams Early dam building took place in Mesopotamia and the Middle East. Dams were us ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Local Public Utility Dams
United may refer to: Places * United, Pennsylvania, an unincorporated community * United, West Virginia, an unincorporated community Arts and entertainment Films * ''United'' (2003 film), a Norwegian film * ''United'' (2011 film), a BBC Two film Literature * ''United!'' (novel), a 1973 children's novel by Michael Hardcastle Music * United (band), Japanese thrash metal band formed in 1981 Albums * ''United'' (Commodores album), 1986 * ''United'' (Dream Evil album), 2006 * ''United'' (Marvin Gaye and Tammi Terrell album), 1967 * ''United'' (Marian Gold album), 1996 * ''United'' (Phoenix album), 2000 * ''United'' (Woody Shaw album), 1981 Songs * "United" (Judas Priest song), 1980 * "United" (Prince Ital Joe and Marky Mark song), 1994 * "United" (Robbie Williams song), 2000 * "United", a song by Danish duo Nik & Jay featuring Lisa Rowe Television * ''United'' (TV series), a 1990 BBC Two documentary series * ''United!'', a soap opera that aired on BBC One from 1965-19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gravity Dams
A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation to oppose the horizontal pressure of water pushing against it. Gravity dams are designed so that each section of the dam is stable and independent of any other dam section. Characteristics Gravity dams generally require stiff rock foundations of high bearing strength (slightly weathered to fresh), although in rare cases, they have been built on soil foundations. The bearing strength of the foundation limits the allowable position of the resultant force, influencing the overall stability. Also, the stiff nature of the gravity dam structure is unforgiving to differential foundation settlement, which can induce cracking of the dam structure. Gravity dams provide some advantages over embankment dams, the main advantage being that they can tolerate minor over-topping flows without damage, as the concre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Buildings And Structures In San Diego County, California
A building, or edifice, is an enclosed structure with a roof and walls standing more or less permanently in one place, such as a house or factory (although there's also portable buildings). Buildings come in a variety of sizes, shapes, and functions, and have been adapted throughout history for a wide number of factors, from building materials available, to weather conditions, land prices, ground conditions, specific uses, prestige, and aesthetic reasons. To better understand the term ''building'' compare the list of nonbuilding structures. Buildings serve several societal needs – primarily as shelter from weather, security, living space, privacy, to store belongings, and to comfortably live and work. A building as a shelter represents a physical division of the human habitat (a place of comfort and safety) and the ''outside'' (a place that at times may be harsh and harmful). Ever since the first cave paintings, buildings have also become objects or canvasses of much artistic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dams In California
A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability. Hydropower is often used in conjunction with dams to generate electricity. A dam can also be used to collect or store water which can be evenly distributed between locations. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees (also known as dikes) are used to manage or prevent water flow into specific land regions. The earliest known dam is the Jawa Dam in Jordan, dating to 3,000 BC. The word ''dam'' can be traced back to Middle English, and before that, from Middle Dutch, as seen in the names of many old cities, such as Amsterdam and Rotterdam. History Ancient dams Early dam building took place in Mesopotamia and the Middle East. Dams were used ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Vicente Dam
The San Vicente Dam is a concrete Dam#Gravity dams, gravity dam on San Vicente Creek (San Diego County), San Vicente Creek near Lakeside, California, Lakeside and 25 km (15.5 mi) northeast of San Diego, California. The dam was built between 1941 and 1943 and created San Vicente Reservoir for the purpose of Reservoirs#Direct water supply, municipal water storage, flood control and recreation. Although the reservoir is fed by Surface runoff, run-off, its main source is the San Diego Aqueduct#First Aqueduct, First San Diego Aqueduct. In June 2009, construction to raise the height of the dam by , in order to more than double its reservoir size, commenced. It is the largest dam raise in the United States and largest roller-compacted concrete dam raise in the world. The dam raise project was originally set for the end of 2012, but was completed in early 2014. Efforts to replace the water supply pipelines and prepare the reservoir for the public will be underway until 2015–2017 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olivenhain Reservoir
Olivenhain is a neighborhood in the city of Encinitas, California, located in the North County area of San Diego County. It is the easternmost community of Encinitas, bordering the western portion of Rancho Santa Fe. The community of Olivenhain is primarily single family custom homes with relatively large lots. Minimum lot sizes range from to . The topography tends to be rolling, and most streets are small and wind through the hills. Olivenhain has a vast network of recreational trails, used by walkers and equestrians. A common sight in the area during late afternoons and dusk are hot air balloons. Olivenhain has a darker sky than coastal San Diego towns due to its "Dark Sky Policy" which restricts lights from street lights, tennis courts, and other forms of light pollution. History The area is located on the Rancho Las Encinitas Mexican land grant, and was settled by a German colony in the 1890s. The name Olivenhain is from the German and means "olive grove". The Germ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Outlet Works
A gatehouse, gate house, outlet works or valve house for a dam is a structure housing sluice gates, valves, or pumps (in which case it is more accurately called a pumping station). Many gatehouses are strictly utilitarian, but especially in the nineteenth century, some were very elaborate. Background A set of outlet works is a device used to release and regulate water flow from a dam. Such devices usually consist of one or more pipes or tunnels through the embankment of the dam, directing water usually under high pressure to the river downstream. These structures are usually used when river flow exceeds the capacity of the power plant or diversion capacity of the dam, but do not have flows high enough to warrant the use of the dam spillways. They may also be utilized when river flows must be bypassed due to maintenance work in the power station or diversion gates. Although similar in purpose to spillways, outlet works provide a more controlled release to meet downstream flow requir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roller-compacted Concrete
Roller-compacted concrete (RCC) or rolled concrete (rollcrete) is a special blend of concrete that has essentially the same ingredients as conventional concrete but in different ratios, and increasingly with partial substitution of fly ash for Portland cement. The partial substitution of fly ash for Portland Cement is an important aspect of RCC dam construction because the heat generated by fly ash hydration is significantly less than the heat generated by Portland Cement hydration. This in turn reduces the thermal loads on the dam and reduces the potential for thermal cracking to occur. RCC is a mix of cement/fly ash, water, sand, aggregate and common additives, but contains much less water. The produced mix is drier and essentially has no slump. RCC is placed in a manner similar to paving; the material is delivered by dump trucks or conveyors, spread by small bulldozers or specially modified asphalt pavers, and then compacted by vibratory rollers. In dam construction, roll ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
