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In wireless engineering, a greenfield project could be that of rolling out a new generation of cell phone networks.The first cellular telephone networks were built primarily on tall existing tower structures or on high ground in an effort to cover as much territory as possible in as little time as possible and with a minimum number of base stations.
Proposed after German Reunification, this is a set of major construction projects meant to increase and improve transport links between East and West Germany. [citation needed] Greece: Athens Metro: Athens: 2021: In progress: 2029 or 2030 (proj.) €5.75 billion: Lines 1, 2 and 3 are already operational and are undergoing upgrades. [132] [133 ...
Groundbreaking ceremony for Hunts Point Cooperative Market in New York City, 1962. 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.
The developments are part of an effort to create residential developments outside the floodplain following record flooding in 2022.
Mason, a tradesperson skilled variously in brick and blocklaying, concrete finishing (the placement, finishing, protecting and repairing of concrete in construction projects). [7] Also stonemason, marble setter and polisher, tile setter and polisher, terrazzo worker and finisher. Hod carrier is a subsidiary trade (also see Laborer).
In the late 20th and early 21st century advances in automation and geotechnical engineering have allowed the ambition and scale of underground construction projects to increase. [5] [6] Archeology in major cities often requires the use of underground construction techniques as excavations must be made without disturbing existing buildings on ...
Extensive use of prefabricated components helped to speed up the construction process. The first tenants moved into the North Tower in December 1970 and into the South Tower in January 1972. Four other low-level buildings were constructed as part of the World Trade Center in the early 1970s, and the complex was mostly complete by 1973.
The construction of the Trans-Alaska Pipeline System included over 800 miles (1,300 km) of oil pipeline, 12 pump stations, and a new tanker port.Built largely on permafrost during 1975–77 between Prudhoe Bay and Valdez, Alaska, the $8 billion effort required tens of thousands of people, often working in extreme temperatures and conditions, the invention of specialized construction techniques ...