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  2. 50 Divisions - Wikipedia

    en.wikipedia.org/wiki/50_Divisions

    The latest officially released version of MasterFormat is the 2018 Edition, which uses the following Divisions: PROCUREMENT AND CONTRACTING REQUIREMENTS GROUP:

  3. 16 Divisions - Wikipedia

    en.wikipedia.org/wiki/16_Divisions

    The 16 Divisions of construction, as defined by the Construction Specifications Institute (CSI)'s MasterFormat, is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the U.S. and Canada.

  4. Pavement condition index - Wikipedia

    en.wikipedia.org/wiki/Pavement_Condition_Index

    The pavement condition index (PCI) is a numerical index between 0 and 100, which is used to indicate the general condition of a pavement section.The PCI is widely used in transportation civil engineering [1] and asset management, and many municipalities use it to measure the performance of their road infrastructure and their levels of service. [2]

  5. The Backrooms - Wikipedia

    en.wikipedia.org/wiki/The_Backrooms

    The original Backrooms image posted on 4chan, of a HobbyTown under renovation.. The Backrooms are a fictional location originating from a 2019 4chan thread. One of the best known examples of the liminal space aesthetic, the Backrooms are usually portrayed as an impossibly large extradimensional expanse of empty rooms, accessed by exiting ("no-clipping out of") reality.

  6. Grading (earthworks) - Wikipedia

    en.wikipedia.org/wiki/Grading_(earthworks)

    Section through railway track and foundation showing the sub-grade. Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, [1] for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden improvements, or surface drainage.

  7. Front-end loading - Wikipedia

    en.wikipedia.org/wiki/Front-end_loading

    Front-end loading (FEL), also referred to as Front-End Engineering Design (FEED), Front End Planning (FEP), pre-project planning (PPP), and early project planning, is the process for conceptual development of projects in processing industries such as upstream oil and gas, petrochemical, natural gas refining, extractive metallurgy, waste-to-energy, biotechnology, and pharmaceuticals.

  8. Reinforced concrete column - Wikipedia

    en.wikipedia.org/wiki/Reinforced_Concrete_Column

    ACI Code 7.10.4.2: For cast-in-place construction, size of spirals shall not be less than 3/8 in. diameter. ACI Code 7.10.4.3: Clear spacing between spirals shall not exceed 3 in., nor be less than 1in. Section 10.9.3 adds an additional lower limit to the amount of spiral reinforcement via the volumetric spiral reinforcement ratio ρ s.

  9. Settlement (structural) - Wikipedia

    en.wikipedia.org/wiki/Settlement_(structural)

    Timber-frame building showing considerable, but tolerable, settlement. Settlement is the downward movement or the sinking of a structure's foundation.It is mostly caused by changes in the underlying soil, such as drying and shrinking, wetting and softening, or compression due to the soil being poorly compacted when construction started. [1]