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Bitumen is a sticky, black, highly viscous liquid or semi-solid form of petroleum. In the U.S., it is commonly referred to as asphalt. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term asphaltum was also used. The word is derived from the ancient Greek ἄσφαλτος ásphaltos. The largest natural deposit of bitumen in the world, estimated to contain 10 million tons, is the Pitch Lake in southwest Trinidad.
The history of Trinidad and Tobago begins with the settlements of the islands by Indigenous First Peoples. Trinidad was visited by Christopher Columbus on his third voyage in 1498,, and claimed in the name of Spain. Trinidad was administered by Spanish hands until 1797, but it was largely settled by French colonists. Tobago changed hands between the British, French, Dutch, and Courlanders, but eventually ended up in British hands following the second Treaty of Paris (1814). In 1889, the two islands were incorporated into a single political entity. Trinidad and Tobago obtained its independence from the British Empire in 1962 and became a republic in 1976.
A road surface, or pavement, is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or walkway. In the past, gravel road surfaces, macadam, hoggin, cobblestone and granite setts were extensively used, but these have mostly been replaced by asphalt or concrete laid on a compacted base course. Asphalt mixtures have been used in pavement construction since the beginning of the 20th century and are of two types: metalled (hard-surfaced) and unmetalled roads. Metalled roadways are made to sustain vehicular load and so are usually made on frequently used roads. Unmetalled roads, also known as gravel roads, are rough and can sustain less weight. Road surfaces are frequently marked to guide traffic.
The Borough of Chaguanas is the largest municipality and fastest-growing town in Trinidad and Tobago. Located in west-central Trinidad, south of Port of Spain, north of Couva and San Fernando, and named after the indigenous tribe who originally settled there, it grew in size due to its proximity to the Woodford Lodge sugar refinery. It remained a minor town until the 1980s when it began to grow rapidly as it drew people for its bargain shopping and moderately priced housing. Its rapid growth has seen property values increase dramatically, however.
Couva is an urban town in west-central Trinidad, south of Port of Spain and Chaguanas and north of San Fernando and Point Fortin. It is the capital and main urban centre of Couva–Tabaquite–Talparo, and the Greater Couva area includes the Point Lisas Industrial Estate and the Port of Point Lisas. It is one of the fastest-growing towns in the country. Couva's southern boundary is at the village of California & Point Lisas, and to the north Couva stretches to McBean. To the east of Couva is Preysal. To the west of Couva is the road to Waterloo and Carli Bay, which are located on the Gulf of Paria. Couva was part of the Caroni County. Couva is considered a major power base for the United National Congress (UNC), whose headquarters was previously located here.
La Brea is a town in southwestern Trinidad, located northeast of Point Fortin and southwest of San Fernando. La Brea is best known as the site of the Pitch Lake, a natural asphalt lake. Pronunciation of "La Brea" differs from that used in the USA at the La Brea Tar Pits in Los Angeles. Trinidadians call this place "La Bray".
The Pitch Lake is the largest natural deposit of asphalt in the world, estimated to contain 10 million tons. It is located in La Brea in southwest Trinidad, within the Siparia Regional Corporation. The lake covers about 100 acres and is reported to be 250 feet deep.
The Churchill–Roosevelt Highway, sometimes refers to as CRH, is the major east–west highway on Trinidad island in Trinidad and Tobago.
Quebec's Route 389 connects Route 138 adjacent to Baie-Comeau with the Newfoundland and Labrador border, connecting with the Trans-Labrador Highway to Wabush and Labrador City, and beyond to Goose Bay. On its way it skirts the eastern shore of Manicouagan Reservoir.
Alphonso Philbert Theophilus "Fargo" James, born in Black Rock, Tobago, was a Trinidad and Tobago politician. He was elected to the Legislative Council in 1946. He served in the Legislative Council until 1961 when he was defeated by A. N. R. Robinson. James was known as "Fargo", after a brand of trucks, because of his strength and tendency to crush opponents. He was known as being a proponent of Tobagonian secession from Trinidad and Tobago.
Veidekke is the largest Norwegian construction and civil engineering company and the fourth largest in Scandinavia. Veidekke's business involves a network of Scandinavia construction and engineering operations, rehabilitation work, major heavy construction contracts and development of dwellings for the company's own account as well as buildings for public use. They recently acquired Reinertsen's civil engineering arm. Other business segments are asphalt operations, production of crushed stone and gravel (aggregates) and maintenance of public roads.
Tarmac Group Limited was a British building materials company headquartered in Wolverhampton, United Kingdom. It produced road surfacing and heavy building materials including aggregates, concrete, cement and lime, as well as operating as a road construction and maintenance subcontractor.
Aggregate Industries, a member of the Holcim Group, is a company based in the United Kingdom with headquarters at Bardon Hill, Coalville, Leicestershire. Aggregate Industries manufactures and supplies a range of heavy building materials, primarily aggregates such as stone, asphalt and concrete, to the construction industry and other business sectors. Aggregate Industries also manufactures and imports cement, and provides a range of aggregate-associated goods and services, these include the manufacture of masonry and reconstructed stone items for construction industry and domestic applications, the manufacture of pre-cast concrete items, the supply of ready mixed concrete, design and project management consulting, and resurfacing contracting services.
The asphalt industry in Trinidad is located at the Pitch Lake at the town of La Brea in southwestern Trinidad, Trinidad and Tobago and it has gained a reputation for itself as the world's largest deposit. The Pitch Lake is considered a tourist attraction and attracts about 20,000 visitors annually. It is also mined for asphalt by Lake Asphalt of Trinidad and Tobago.
Amzi Lorenzo Barber was a pioneer of the asphalt industry in the United States, and an early participant in the automobile industry as well. He laid many of the roads in Westchester County, New York and was known as "The Asphalt King".
Lake Guanoco is the world's second largest natural tar pit and lies in Venezuela in northern South America.
The McKittrick Tar Pits are a series of natural asphalt lakes situated in the western part of Kern County in southern California. The pits are the most extensive asphalt lakes in the state.
Lake Asphalt of Trinidad and Tobago is a company based in La Brea in Trinidad involved in the mining, processing and exporting of asphalt products from the Pitch Lake.
Sir Thomas Octavius Callender was an engineer and businessman, who promoted the electrical industry.
Barber Asphalt Company of Washington, D.C. started in 1883 was founded by Amzi L. Barber. Barber, born in 1843. Barber first career was a teaching professor, he moved to real estate. In real estate, he found the problem of needing affordable paved roads. He found that asphalt was a great affordable material for paved roads. He added asphalt shingles to his products. In 1879 he moved Headquarters to New York City. He had offices in Washington, D.C. from 1878 to 1912, Philadelphia, Pennsylvania from 1912 to 1938 and Maurer, Perth Amboy, New Jersey from 1938 to 1948. In 1888 Barber leased the largest know asphalt deposit at Pitch Lake Trinidad. Barber opened a subsidiary, called the Iroquois division, and Iroquois Electric Refrigeration Company. Elkins Widener purchased the company in 1898 and merged with his Trinidad Corporation subsidiary. This formed the Asphalt Company of America of New York. In 1899 Asphalt Company of America was sold to John M. Mack and renamed, National Asphalt Company of America. In 1901 Barber retired from the Barber Asphalt Company. National Asphalt Company of America closed in 1902. In 1903 it opened again as General Asphalt Company. Uintah Railway Company was founded in 1903 by the Barber Asphalt Paving Company. Barber has paved millions of miles of roads. In 1904 Barber returned the company. In the 1920s Barber Asphalt Company opened a refinery in Perth Amboy, New Jersey at the time the town was known as Barber. The Barber Asphalt refinery is now the Perth Amboy Refinery. General Asphalt and Barber division merged in 1936. After the merger, the name was changed to Barber Company, Inc.. In 1938 the name was changed to Barber Asphalt Corporation. Barber Asphalt entered into a joint venture with Standard Oil Company of California in 1946. The joint venture was called California Refining Company.
References
- ↑ The Papers of Sir William Gorell Barnes
- ↑ Popular Science December 1882
- ↑ History of the Company Lake Asphalt of Trinidad and Tobago
- 1 2 Sands End Archived 2011-07-24 at the Wayback Machine
- ↑ Notes on Financial Times Actuaries Index 1971