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Chapter 1 Introduction To raise construction productivity and fundamentally change the design and construction processes, the industry is encouraged to embrace the concept of Design for Manufacturing and Assembly (DfMA), where construction is designed and detailed for a substantial portion of work to be done off-site in a controlled manufacturing environment. 为了提高施工效率，从根本上改变设计和施工流程，我们鼓励业界采用“为制造和装配而设计”(DfMA)的概念，即在受控的制造环境下，为大量需要在场外完成的工作进行施工设计和详细说明。 DfMA is a new approach in the construction industry. By planning more works offsite, manpower and time needed to construct buildings are reduced, while ensuring work sites are safe, conducive and have minimal impact on the surrounding living environment. The use of prefabrication methods in construction has been promoted as a way to improve productivity in a traditionally manpower-intensive industry. DfMA是建筑业的一种新方法。通过规划更多工地以外的工程，可减少建造楼宇所需的人力和时间，同时确保工地安全、有利，并对周围的居住环境造成最小的影响。在传统的人力密集型行业中，预制方法的使用已被作为一种提高生产率的方法而得到推广。 Prefabricated Prefinished Volumetric Construction (PPVC) is one of the game-changing technologies that support the DfMA concept to significantly speed up construction. Modular is a general construction term to describe the use of technology that facilitates off-site manufacturing. Complete modules made of multiple units complete with internal finishes, fixtures and fittings are manufactured in factories,and are then transported to site for installation in a Lego-like manner. In the hierarchy of DfMA methodologies, PPVC is one of the most efficient and complete principles in improving productivity. 预制件预成品体积建造(PPVC)是一种改变游戏规则的技术，支持DfMA概念，以显著加快建设。模块化是一个通用的构造术语，用于描述促进非现场制造的技术的使用。由多个单元组成的完整模块，包括内部饰面、固定装置和配件，在工厂生产，然后运到现场以乐高式的方式进行安装。在DfMA方法论的层次结构中，PPVC是提高生产力的最有效和最完整的原则之一。 In this book, the DfMA methodology on PPVC and the benefits reaped will be discussed so that there is better knowledge and capability in the adoption and implementation of PPVC. 在这本书中，DfMA方法论的PPVC和收获的好处将被讨论，以便有更好的知识和能力采用和实施PPVC。 Pushing for Higher-end DfMA Technologies 推动高端DfMA技术 Comparison 对比 CONVENTIONAL CONSTRUCTION 常规施工 In a traditional manpower-intensive industry, most of the trade works involving structural, architectural, MEP and interior finishing works are constructed and installed on site. 在一个传统的人力密集型行业，涉及结构、建筑、环保和室内装饰的大部分贸易工程都是在现场建造和安装的。 PREFABRICATED PREFINISHED VOLUMETRIC CONSTRUCTION (PPVC) 预制预制体结构(PPVC) “Prefabricated Prefinished Volumetric Construction (PPVC)” means a construction method whereby free-standing volumetric modules (complete with finishes for walls, floors and ceilings) are: “预制预制体积施工(PPVC)”系指独立的体积模块(包括墙、地板和天花板饰面): a. constructed and assembled; or构建和组装;或 b. manufactured and assembled,制造和组装, in an accredited fabrication facility, in accordance with any accredited fabrication method, and then installed in a building under building works. 在认可的制造设施内，按照任何认可的制造方法，然后安装在建筑物内进行建筑工程。 Benefits of PPVC PPVC的好处 |
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