在資訊科技蓬勃發展時代下，市場競爭環境愈甚激烈，致使大多數企業皆利用資訊科技技術作為輔助規劃、運行及決策之工具，工程業界亦為如此，運用資訊技術有效地處理大量資料和資訊，在整合及分析後，提供具價值性之所需資訊，以減少時間、溝通和錯誤成本，增加企業之效益；現今較新被導入的資訊技術包含了物聯網、3D、4D、5D模擬工具和BIM技術等等，然而工程界相較於其他業界人員，接觸資訊科技的機會較少，因此較無此方面的知識基礎，致使在選擇資訊工具及導入資訊技術的部分，容易利用不適合專案的工具或不當的應用，導致無法發揮其輔助效益，甚至失敗造成更多損失。
其中隨著BIM技術的發展，越來越多工程會希望能在專案裡使用BIM的技術，但業主對其應用常常沒有足夠的知識背景和了解，且在國內缺乏BIM標準條件下，業主較不易了解如何正確且有效的導入，在專案完成後往往會造成過多的花費、不符合成本效益等等的狀況發生。
因此本研究以BIM（Building Information Modeling）技術服務委託項目的規劃為研究主軸，將BIM工作項目中的效益因子結合方法目的鏈理論(Means-End Chain，簡稱MEC)的概念，建構一價值階層模型，讓業主在進行採購BIM工作項目前能評估內心期望各個效益的比重，並經由模型分析後得到各項效益因子在專案中所占成效，協助業主評選在有限金額內如何選擇投入資源並達到專案的最大效益。

In the era of vigorous development of information technology, because of the increasingly fierce market competition environment, most enterprises use information technology as a tool to assist planning, operation and decision-making. Also the engineering industry uses information technology to effectively process large amounts of data and information.
The data that integrate and analyze, provides valuable information that we can reduce time, communication and error costs, and increase the effectiveness of the enterprise. The newer information technology introduced today includes the Internet of Things, 3D, 4D, 5D simulation tools and BIM technology, etc.
However, compared to others industry personnel, the engineering industry personnel have fewer opportunities to contact information technology. Because of the lack of knowledge base in this area, they sometimes make inadequate decisions of the selection of information tools and the introduction of information technology that makes them impossible to exert their auxiliary benefits, and even fail to cause more losses.
With the development of BIM technology, more and more projects are hoped to use BIM technology in the project, but the owner does not have enough sufficient knowledge and understanding of its application. And in the absence of domestic BIM standard conditions, it is relatively difficult for owners to understand how to import correctly and effectively. After the project is completed, it often results in excessive costs, cost-effectiveness, and so on.
Therefore, the main content of this research is the BIM (Building Information Modeling) technology which has not yet matured in Taiwan. The benefit factor in the BIM work project is combined with the concept of Means-End Chain (MEC) to construct a value hierarchy model.
This model allows owners to evaluate the proportion of various benefit factors before purchasing BIM work items. Through the analysis of the model, the effectiveness of various benefit factors in the project is obtained to assist the owner in selecting how to choose to invest resources within a limited amount, and then achieve the maximum benefit of the project.

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