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  2. 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 ...

  3. Cost estimation models - Wikipedia

    en.wikipedia.org/wiki/Cost_estimation_models

    Cost estimation models are mathematical algorithms or parametric equations used to estimate the costs of a product or project. The results of the models are typically necessary to obtain approval to proceed, and are factored into business plans, budgets, and other financial planning and tracking mechanisms.

  4. Carpentry - Wikipedia

    en.wikipedia.org/wiki/Carpentry

    Carpentry is a skilled trade and a craft in which the primary work performed is the cutting, shaping and installation of building materials during the construction of buildings, ships, timber bridges, concrete formwork, etc. Carpenters traditionally worked with natural wood and did rougher work such as framing, but today many other materials ...

  5. Cantilevered stairs - Wikipedia

    en.wikipedia.org/wiki/Cantilevered_stairs

    Cantilevered stairs, or floating stairs, are a type of staircase. A metal safety rail has been added to the outside of this cantilevered stone staircase. A cantilever is a beam , which is anchored at only one end.

  6. Stairs - Wikipedia

    en.wikipedia.org/wiki/Stairs

    The longest stone stairs in Japan are the 3,333-step stairs of the Shakain temple in Yatsushiro, Kumamoto. [52] The second ones, Mount Haguro stone stairs, have 2,446 steps in Tsuruoka, Yamagata. The CN Tower's staircase reaches the main deck level after 1,776 steps and the Sky Pod above after 2,579 steps; it is the tallest metal staircase on ...

  7. Stonemasonry - Wikipedia

    en.wikipedia.org/wiki/Stonemasonry

    A 15-storey apartment building in La Tourette (Marseille), designed by Fernand Pouillon.Constructed using the massive precut stone method. Gobekli Tepe, early monumental Neolithic stonemasonry using flint-carved limestone columns (~9500 BCE) 12th-century stonemasonry at Angkor Wat Diamond-wire saw in use for quarrying marble Stonemason working with medieval tools Stonemasonry with andesite ...