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  2. Culvert - Wikipedia

    en.wikipedia.org/wiki/Culvert

    A culvert under the Vistula river levee and a street in Warsaw. Construction or installation at a culvert site generally results in disturbance of the site's soil, stream banks, or stream bed, and can result in the occurrence of unwanted problems such as scour holes or slumping of banks adjacent to the culvert structure.

  3. 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 ...

  4. Cost engineering - Wikipedia

    en.wikipedia.org/wiki/Cost_engineering

    Cost engineering is "the engineering practice devoted to the management of project cost, involving such activities as estimating, cost control, cost forecasting, investment appraisal and risk analysis". [1] "Cost Engineers budget, plan and monitor investment projects.

  5. Chesapeake and Ohio Canal - Wikipedia

    en.wikipedia.org/wiki/Chesapeake_and_Ohio_Canal

    The initial cost estimate of $33,500 proved far too low. [49] The tunnel was completed for $616,478.65 [ 50 ] Among the components of the project, a kiln was built to provide bricks to line the tunnel.

  6. Silt fence - Wikipedia

    en.wikipedia.org/wiki/Silt_fence

    Silt fence installed up-slope of a vegetated stream buffer. A silt fence, sometimes (misleadingly) called a filter fence, [1] is a temporary sediment control device used on construction sites to protect water quality in nearby streams, rivers, lakes and seas from sediment (loose soil) in stormwater runoff.

  7. Construction of California High-Speed Rail - Wikipedia

    en.wikipedia.org/wiki/Construction_of_California...

    The 2022 Business Plan does not have a projected timeline for completion of any of the segments other than the Interim IOS, recognizing that financial constraints make such an estimate unpredictable. Table 5.0 gives estimates of costs to finish the construction in year of expenditure dollars, but assumes that there would be no major delays. [23]