機電設備具有元件種類多元且單價高、施作介面複雜、修改困難度高等特性，但其現行施作及查核作業的進行仍多依賴2D平面圖及經驗輔助，缺乏精度的作業方式容易因人為判讀錯誤、資訊傳遞不及時等原因產生錯誤，造成後續作業的延誤、成本增加等問題。因此，如何在機電設備施作及查核階段確保作業之正確性是一重要課題。隨著科技發展，越來越多工程專案導入建築資訊模型(BIM)做為資訊整合平台，利用其元件資訊參數化及視覺化的特性輔助生命週期各階段的作業。整合的資訊及視覺化模型在現地卻有取用不方便的疑慮，國外因此開始嘗試引進擴增實境技術來解決此問題。擴增實境技術能透過光學投影疊加虛擬模型於實體環境上，不但解決BIM資訊取用不易的困難，更允許使用者依需求開發功能輔助現地作業進行。然而，現有常見的擴增實境功能常未考慮現地作業流程需求，未能提供有效輔助而流於模型展示。
為解決現行作業流程易出錯、BIM於現地應用不便及現有擴增實境功能不合實際需求等問題，本研究首先用IDEF0解析機電設備施作及查核作業流程及資訊需求，再利用分析結果建構資訊傳遞模式及發展擴增實境功能架構，進一步建置具備作業所需資訊的BIM模型，最後開發整合BIM與擴增實境之應用程式輔助現地施作及查核作業，期望藉此降低作業因人為因素出錯的機會、提升BIM於現地的使用效益及增進機電設備的施作及查核作業成效。

Firefighting is one of the most important features of the mechanical, electrical and plumbing system. The firefighting system can keep assets and human safe from the danger of fire. Any malfunction of the system caused by improper assembly could lead to tremendous loss. Therefore, it is essential for on-site engineers to assure and inspect the assembly of the MEP system during construction.
This study proposes a framework combining Augmented Reality (AR) and BIM to provide a real-time and intuitive way with enriched information contained in BIM for performing the on-site assembly and inspection of the MEP system. Firstly, the required information and on-site scenarios are analyzed to establish BIM specifications for the development of this study according to the need of the assembly and inspection operation. The BIM model and information are then exported to Unity, and AR development platform, to develop functions based on the needs defined. Finally, and AR app is developed and deployed to HoloLens, and AR device, to support the assembly and inspection of the MEP system. An on-site case is employed to validate the proposed framework. The result shows with the help of the merely developed AR app, the proposed approach can efficiently support the assembly and inspection of the MEP system.

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