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  2. Precast concrete - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete

    Products include: box culverts, 3-sided culverts, bridge systems, railroad crossings, railroad ties, sound walls/barriers, Jersey barriers, tunnel segments, concrete barriers, TVCBs, central reservation barriers, bollards, and other transportation products. Precast concrete can also be used to make underpasses, surface crossings, and pedestrian ...

  3. Culvert - Wikipedia

    en.wikipedia.org/wiki/Culvert

    Culverts come in many sizes and shapes including round, elliptical, flat-bottomed, open-bottomed, pear-shaped, and box-like constructions. The culvert type and shape selection is based on a number of factors including requirements for hydraulic performance, limitations on upstream water surface elevation, and roadway embankment height. [2]

  4. Construction begins on ACE rail branch to Stanislaus County ...

    www.aol.com/construction-begins-ace-rail-branch...

    Construction of a concrete box culvert will be installed along rail tracks in Lathrop to allow for a new rail connection for the Stanislaus County lines of the Altamont Commuter Express (ACE ...

  5. Caisson (engineering) - Wikipedia

    en.wikipedia.org/wiki/Caisson_(engineering)

    Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.

  6. Low-water crossing - Wikipedia

    en.wikipedia.org/wiki/Low-water_crossing

    It consists of an improved surface of gravel, gravel-filled geotextile grid, paving blocks, or concrete slabs positioned to match the slope and elevation of the adjacent waterway and floodplain. To cross somewhat deeper waterways, a type of low water crossing called a vented ford can be constructed with culverts. The size of the culverts (often ...

  7. Box culverts installed. What's next for Panama City to reopen ...

    www.aol.com/news/box-culverts-installed-whats...

    Panama City officials make huge progress on 23rd Street project by installing concrete box culverts to replace collapsed infrastructure.

  8. Hornell gets $1.5M to replace box culvert. See timeline, next ...

    www.aol.com/hornell-gets-1-5m-replace-143947902.html

    Hornell officials are planning a new Canisteo Street box culvert over Spencer Creek after getting $1.5 million from the state. Here's the timeline. Hornell gets $1.5M to replace box culvert.

  9. Cost estimate - Wikipedia

    en.wikipedia.org/wiki/Cost_estimate

    A cost estimate is the approximation of the cost of a program, project, or operation. The cost estimate is the product of the cost estimating process. The cost estimate has a single total value and may have identifiable component values. A problem with a cost overrun can be avoided with a credible, reliable, and accurate cost estimate. A cost ...