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  2. Culvert - Wikipedia

    en.wikipedia.org/wiki/Culvert

    A multiple culvert assembly in Italy. Precast concrete box culvert. Large box culvert on Rio Monterroso. A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert may be made from a pipe, reinforced concrete or other material.

  3. Cast iron pipe - Wikipedia

    en.wikipedia.org/wiki/Cast_iron_pipe

    Cast iron pipe. Cast iron pipe is pipe made predominantly from gray cast iron. It was historically used as a pressure pipe for transmission of water, gas and sewage, and as a water drainage pipe during the 17th, 18th, 19th and 20th centuries. In many modern applications, cast iron pipe has been replaced by ductile iron pipe, but this newer ...

  4. Trans-Alaska Pipeline System - Wikipedia

    en.wikipedia.org/wiki/Trans-Alaska_Pipeline_System

    Because of meanders and thermal and seismic accommodations, the amount of 48-inch-diameter (1,200 mm) welded steel pipeline between the pipe stations and the end of the line is 800.3 miles (1,288.0 km), while the linear distance between the Prudhoe Bay and Valdez station endpoints is 639.34 miles (1,028.92 km). [151]

  5. Monitor–Merrimac Memorial Bridge–Tunnel - Wikipedia

    en.wikipedia.org/wiki/Monitor–Merrimac_Memorial...

    The Monitor–Merrimac Memorial Bridge–Tunnel (MMMBT) is the 4.6-mile-long (7.4 km) Hampton Roads crossing for Interstate 664 (I-664) in the southeastern portion of Virginia in the United States. It is a four-lane bridge–tunnel composed of bridges , trestles, artificial islands , and tunnels under a portion of the Hampton Roads harbor where ...

  6. Nominal Pipe Size - Wikipedia

    en.wikipedia.org/wiki/Nominal_Pipe_Size

    Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

  7. Glossary of firefighting equipment - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_firefighting...

    A. Adapter. Fitting for connecting hose couplings with dissimilar threads but with the same inside diameter. [1] See also reducer, increaser, double male, double female. May contain combinations, such as a double-female reducer. Adapters between multiple hoses are called wye, Siamese, or distributor, which see below.

  8. Iron pipe size - Wikipedia

    en.wikipedia.org/wiki/Iron_pipe_size

    During the IPS period, pipes were cast in halves and welded together, and pipe sizes referred to the inside diameters. [1] The inside diameters under IPS were roughly the same as the more modern Ductile Iron Pipe Standard (DIPS) and Nominal Pipe Size (NPS) Standards, and some of the wall thicknesses were also retained with a different ...

  9. Double-walled pipe - Wikipedia

    en.wikipedia.org/wiki/Double-walled_pipe

    A double-walled pipe is a secondary contained piping system. It is a pipe within a pipe, or encased in an outer covering, with an annulus (interstitial space) between the two diameters. The inner pipe is the primary or carrier pipe and the outer pipe is called the secondary or containment pipe. The great majority of double-walled piping ...

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