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Surge tank
A surge tank, also called a surge chamber, is a chamber connected to a pressurized pipeline or tunnel that cushions water hammer in hydropower plants and pumping systems.
Suspender (bridge)
A suspender, also called a hanger or suspender cable, is the vertical tension member connecting a suspension bridge's deck to its main cables, transferring deck load.
Suspension bridge
A suspension bridge is a bridge whose deck hangs from main cables draped over towers and anchored at each end, allowing the longest spans of any bridge type.
Suspension footbridges of Taiwan
The suspension footbridges of Taiwan are pedestrian suspension bridges in the island's mountain landscape, with 186 cataloged spans from 116 to 342 meters, including the highest scenic bridge at Taiping.
Sutlej Yamuna link canal
The Sutlej Yamuna Link (SYL) canal is a proposed 214-km inter-state canal in northwest India to carry Haryana's share of Ravi and Beas waters from the Sutlej in Punjab.
Sutong Bridge
The Sutong Bridge (苏通长江公路大桥) is a cable-stayed bridge over the Yangtze River between Nantong and Changshu in Jiangsu, China, opened in 2008 with a record 1,088 m main span.
Sutro Tunnel
The Sutro Tunnel is a drainage and access tunnel in Nevada, promoted by Adolph Sutro and built between 1869 and 1878 to serve the silver mines of Virginia City and Gold Hill.
Swing bridge
A swing bridge, also called a turntable bridge, is a movable bridge whose span rotates horizontally about a central pivot pier, clearing the waterway for passing vessels.
Swing footbridge
A swing footbridge is a pedestrian or cycle bridge whose deck rotates horizontally about a vertical axis on a pivot pier, letting boats pass through the gap.
Sydney Harbour Bridge
The Sydney Harbour Bridge is a steel through-arch bridge opened in 1932 to link Sydney's central business district with the North Shore, and is one of Australia's most recognizable landmarks.
Sydney Harbour railway electricity tunnel
The Sydney Harbour railway electricity tunnel is a disused flooded cable tunnel under Sydney Harbour, built between 1913 and 1924 to carry power to the North Shore.
Sydney Harbour Tunnel
The Sydney Harbour Tunnel is a road tunnel under Sydney Harbour, opened in 1992 as Australia's first undersea road tunnel to relieve congestion on the Harbour Bridge.
Sydney Water
Sydney Water, formally the Sydney Water Corporation, is the NSW government-owned utility supplying drinking water and wastewater services to Greater Sydney, the Blue Mountains, and the Illawarra.
Széchenyi Chain Bridge
The Széchenyi Chain Bridge (Lánchíd, Széchenyi Lánchíd) is a suspension bridge linking Buda and Pest across the Danube in Budapest, opened in 1849 as Hungary's first permanent Danube crossing.
Table Rock Lake
Table Rock Lake is a reservoir on the White River in southwestern Missouri and northwestern Arkansas, formed in 1958 by Table Rock Dam near Branson, Missouri.
Tabqa Dam (سد الطبقة)
The Tabqa Dam (سد الطبقة), also called the Al-Thawra Dam or Euphrates Dam, is an earth-fill dam on the Euphrates River in Raqqa Governorate, Syria, built 1968–1973 with Soviet assistance.
Tacoma Narrows Bridge
The Tacoma Narrows Bridge is a pair of suspension bridges across Puget Sound near Tacoma, Washington, including the 1940 span that collapsed four months after opening.
Tacoma Narrows Bridge (1940)
The first Tacoma Narrows Bridge, nicknamed Galloping Gertie, was a suspension bridge across Puget Sound in Washington State that opened in July 1940 and collapsed in a windstorm four months later.
Tailings dam
A tailings dam, or tailings pond dam, is an embankment retaining mine tailings, the waste left after mineral extraction, usually as part of a tailings storage facility.
Tainan Shan-Shang Garden and Old Waterworks Museum
Tainan Shan-Shang Garden and Old Waterworks Museum (臺南山上花園水道博物館), in Shanshang District, Tainan, is a museum opened in 2019 from the former Tainan Waterway, a 1912-1922 Japanese-era waterworks designated a national monument in 2005.
Tamagawa Aqueduct
The Tamagawa Aqueduct (Tamagawa jōsui) is an Edo-period aqueduct, begun in 1653, carrying Tama River water about 43 km from Hamura to Edo, whose upper section still supplies Tokyo's waterworks.
Tamar Bridge
The Tamar Bridge is a suspension bridge carrying the A38 road over the River Tamar between Plymouth in Devon and Saltash in Cornwall, opened in 1961.
Tameike (溜め池) (irrigation ponds of Japan)
A tameike (溜め池) is an artificially constructed pond in Japan that stores irrigation water for rice paddies, built where rainfall is low; about 150,000 exist, mostly in the west.
Tancredo Neves Bridge
The Tancredo Neves Bridge, also called the Fraternity Bridge, is an international road bridge over the Iguazu River linking Foz do Iguaçu, Brazil, and Puerto Iguazú, Argentina.
Tangiwai disaster
The Tangiwai disaster was a 1953 rail crash in New Zealand in which 151 people died after a lahar destroyed a bridge, the country's worst railway accident.
Tap (valve)
A tap, called a faucet in American English, is a valve on the end of a pipe or vessel that controls the flow of liquid, typically water.
Tap water
Tap water, also called piped water, is water supplied through a public distribution network for drinking, cooking, and household uses, treated to meet legally enforceable quality standards.
Tappan Zee Bridge (1955–2017)
The Tappan Zee Bridge, officially the Governor Malcolm Wilson Tappan Zee Bridge, carried the New York State Thruway across the Hudson River from 1955 to 2017.
Tappan Zee Bridge (2017–present)
The Tappan Zee Bridge, officially the Governor Mario M. Cuomo Bridge, is a twin-span bridge over the Hudson River between Tarrytown and South Nyack, New York.
Tarbela Dam
Tarbela Dam is an earth-fill embankment dam on the Indus River in Pakistan, completed in 1976; it is the largest earth-filled dam in the world by structural volume.