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  2. Dumbwaiter - Wikipedia

    en.wikipedia.org/wiki/Dumbwaiter

    A simple dumbwaiter is a movable frame in a shaft, dropped by a rope on a pulley, guided by rails; most dumbwaiters have a shaft, cart, and capacity smaller than those of passenger elevators, usually 45 to 450 kg (100 to 992 lbs.) [2] Before electric motors were added in the 1920s, dumbwaiters were controlled manually by ropes on pulleys. [1]

  3. Construction management - Wikipedia

    en.wikipedia.org/wiki/Construction_management

    Construction management (CM) aims to control the quality of a construction project's scope, time, and cost (sometimes referred to as a project management triangle or

  4. Project delivery method - Wikipedia

    en.wikipedia.org/wiki/Project_delivery_method

    DBB with Construction Management is a modified version of the Design-bid-build approach With partially completed contract documents, an owner will hire a construction manager to act as an agent. As substantial portions of the documents are completed, the construction manager will solicit bids from suitable subcontractors.

  5. Glossary of project management - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_project_management

    Scientific management is a theory of management that analyzes and synthesizes workflow processes, improving labor productivity. Scope of a project in project management is the sum total of all of its products and their requirements or features. Scope creep refers to uncontrolled changes in a project's scope. This phenomenon can occur when the ...

  6. Engineering, procurement, and construction - Wikipedia

    en.wikipedia.org/wiki/Engineering,_procurement...

    The EPC contractor coordinates all design, procurement and construction work and ensures that the whole project is completed as required and in time. They may or may not undertake actual site work. EPC companies are often used in large-scale projects, such as power plants, refineries, chemical processing facilities, infrastructure projects, and ...

  7. COBie - Wikipedia

    en.wikipedia.org/wiki/COBie

    This COBie MVD, produced under contract to the Construction Engineering Research Lab, was created by the buildingSMART international Model View Definition support group, and was based on IFC 4. [9] The main standard contains the project's Information Delivery Manual and Model View Definition as well as business case and implementation resources.

  8. "The Watcher" Has Everyone Talking About This Creepy Appliance

    www.aol.com/lifestyle/watcher-everyone-talking...

    The miniature service elevator is enjoying renewed popularity thanks to a particular scene in Netflix's new hit show.

  9. Glossary of civil engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_civil_engineering

    Also Abrams' water-cement ratio law. A law which states that the strength of a concrete mix is inversely related to the mass ratio of water to cement. As the water content increases, the strength of the concrete decreases. abrasion The process of scuffing, scratching, wearing down, marring, or rubbing away a substance or substrate. It can be intentionally imposed in a controlled process using ...