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Construction Industry Institute
The Construction Industry Institute (CII) is a consortium of owners, contractors, and academics researching capital project delivery, founded in 1983 at The University of Texas at Austin.
Construction management
Construction management is a professional practice controlling time, cost, scope, and quality on construction projects from start to finish, practiced as agency CM or construction management at risk.
Construction management at risk
Construction management at risk (CM at Risk) is a project delivery method in which an owner hires a construction manager during design to build the project at risk.
Construction of Brasília
The construction of Brasília built Brazil's new capital on the Planalto Central between 1957 and 1960, from plans by Lúcio Costa and buildings by Oscar Niemeyer.
Construction of the World Trade Center
The construction of the World Trade Center was the Port Authority's building of a seven-building complex in Lower Manhattan from 1966 to 1987, centered on the Twin Towers.
Construction Partners, Inc.
Construction Partners, Inc. is a Dothan, Alabama-based civil infrastructure company that builds, repairs, and maintains roadways across the Sunbelt, growing mainly by acquiring local paving and asphalt companies.
Construction worker
A construction worker is a person employed in building houses, roads, and other structures, doing site preparation, moving materials, and assisting tradesworkers such as electricians.
Consuegra Dam
Consuegra Dam (presa romana de Consuegra), Roman buttress dam on the Amarguillo river near Consuegra, Toledo, Spain; about 590-660 m long, 4.8 m high, 1st-4th century AD, longest Roman dam conserved in Hispania, declared Bien de Interés Cultural in 1992.
Contemporary architecture
Contemporary architecture is the architecture of the 21st century, a period label rather than a single style, distinct from modern architecture, a historical movement of the 1920s to 1970s.
Continuing professional development in civil engineering
Continuing professional development (CPD) in civil engineering is recorded learning activity that keeps UK engineers competent, mandatory for all Engineering Council registrants with no minimum hours.
Contra Dam
The Contra Dam, also called the Verzasca Dam, is a 220 m high arch dam on the Verzasca River in Ticino, Switzerland, built from 1960 to 1965.
Convention respecting the free navigation of international rivers and canals
The Convention respecting the free navigation of international rivers and canals is a 1921 League of Nations treaty guaranteeing free navigation on designated international waterways.
Convento de San Francisco, Lima
The Convento de San Francisco de Jesús El Grande is a Franciscan church and convent complex in Lima, Peru, begun in 1546 and known for its catacombs.
Conwy Castle
Conwy Castle (Castell Conwy) is a medieval fortress in north Wales, built by Edward I between 1283 and 1287 and now a UNESCO World Heritage Site.
Cook Strait tunnel proposal
The Cook Strait tunnel proposal is a recurring suggestion for a rail or road crossing under Cook Strait between New Zealand's two islands, never formally studied.
Cool roof
A cool roof is a roof that reflects more sunlight and releases more absorbed heat than a conventional roof, staying cooler and cutting building cooling energy use.
Copasa
Copasa (Companhia de Saneamento de Minas Gerais) is a Brazilian water supply and sanitation company serving most municipalities of Minas Gerais, founded in 1963 and privatized in June 2026.
Copeton Dam
Copeton Dam is a rock-fill dam on the Gwydir River in northern New South Wales, Australia, completed in 1973 as the main irrigation storage for the Gwydir Valley.
Copper tubing
Copper tubing, also known as copper pipe, is seamless tube of nearly pure copper used to convey water, gas, refrigerant, and medical gases in plumbing and cooling systems.
Corbel
A corbel is a piece of stone, wood, brick, or metal projecting from a wall to carry weight, used to support balconies, cornices, and vault ribs.
Cordouan Lighthouse
The Cordouan Lighthouse (phare de Cordouan) is an active lighthouse at the mouth of the Gironde estuary in France; built between 1584 and 1611, it is the oldest French lighthouse still in service.
Corfe Castle
Corfe Castle is a ruined royal castle at Corfe Castle village in Dorset, England, built by William the Conqueror and slighted by Parliamentary forces in 1646.
Coricancha
Coricancha, in Quechua Quri Kancha meaning "golden enclosure", was the principal religious temple of the Inca Empire, dedicated to Inti, the Sun god, at the center of Cusco, Peru.
Corinth Canal
The Corinth Canal (Διώρυγα της Κορίνθου) is a sea-level ship canal in Greece connecting the Saronic and Corinthian gulfs across the Isthmus of Corinth, built between 1882 and 1893.
Corinthian order
The Corinthian order is the classical architectural order whose slender columns carry capitals of two rows of acanthus leaves, adopted and standardized by the Romans from the second century BCE.
Corn Palace
The Mitchell Corn Palace is a multipurpose auditorium in Mitchell, South Dakota, whose walls are redecorated annually with murals made from colored corn and grains.
Cornelius Vanderbilt II House
The Cornelius Vanderbilt II House, known as The Breakers, is a 70-room Gilded Age mansion in Newport, Rhode Island, built in 1893–1895 and designed by Richard Morris Hunt.
Cornerstone
A cornerstone, also called a foundation stone, is a ceremonial stone set prominently in a building's exterior, inscribed with dates and names and sometimes containing a time capsule.
Cornice
A cornice is a projecting, molded feature crowning a wall to throw rainwater clear of its face; in classical architecture it is the entablature's uppermost division.
Corning Museum of Glass
The Corning Museum of Glass is a museum in Corning, New York, founded in 1951 by Corning Glass Works and holding more than 50,000 objects spanning 3,500 years of glassmaking.