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Building information modellingBuilding information model of amechanical roomdeveloped fromlidardataBuilding information modelling(BIM) is a process supported byvarious tools, technologies and contracts involving the generation andmanagement of digital representations of physical and functionalcharacteristics of places. Building information models (BIMs) arecomputer files(often but not always in proprietary formats andcontaining proprietary data) which can be extracted, exchanged ornetworked to support decision-making regarding a built asset. BIMsoftware is used by individuals, businesses and government agencieswho plan,design,construct, operate and maintain buildings anddiversephysical infrastructures, such as water, refuse, electricity, gas,communication utilities, roads, railways, bridges, ports and tunnels.The concept of BIM has been in development since the 1970s, but itonly became an agreed term in the early 2000s. Development ofstandards and adoption of BIM has progressed at different speeds indifferent countries; standards developed in theUnited Kingdomfrom2007 onwards have formed the basis of international standard ISO
19650, launched in January 2019.HistoryThe concept of BIM has existed since the 1970s. The first softwaretools developed for modelling buildings emerged in the late 1970s andearly 1980s, and included workstation products such asChuckEastman's Building Description System[1]and GLIDE,RUCAPS,Sonata,ReflexandGable 4D Series.[2][3]The early applications, andthe hardware needed to run them, were expensive, which limitedwidespread adoption.[4]The pioneering role of applications such as RUCAPS, Sonata andReflex has been recognized by Laiserin[5][unreliable source?]as well as theUK'sRoyal Academy of Engineering;[6]former GMW employeeJonathan Ingramworked on all three products.[4]What became knownas BIM products differed from architectural drafting tools such asAutoCADby allowing the addition of further information (time, cost,manufacturers' details, sustainability, and maintenance information,etc.) to the building model.[citation needed]As Graphisoft had been developing such solutions for longer than itscompetitors, Laiserin regarded itsArchiCADapplication as then "oneof the most mature BIM solutions on the market."[7][unreliable source?]Following its launch in 1987, ArchiCAD became regarded by some asthe first implementation ofBIM,[8][9]as it was the firstCADproducton a personal computer able to create both 2D and 3D geometry, as
well as the first commercial BIM product for personal computers.[8][10][11]However, ArchiCAD founder Gábor Bojár has acknowledged toJonathan Ingram in an open letter, that Sonata "was more advanced in1986 than ArchiCAD at that time", adding that it "surpassed alreadythe matured definition of 'BIM' specified only about one and a halfdecade later".[12]The term 'building model' (in the sense of BIM as used today) wasfirst used in papers in the mid-1980s: in a 1985 paper by SimonRuffle eventually published in 1986,[13]and later in a 1986 paper byRobert Aish[14]- then atGMW Computers Ltd, developer of RUCAPSsoftware - referring to the software's use at London's HeathrowAirport.

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Term
Spring
Professor
NoProfessor
Tags
Building Information Modeling, UK BIM Alliance

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