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In project management, a change order is a component of the change management process whereby changes in the Scope of Work agreed to by the Owner, Contractor and Architect/Engineer are implemented. A change order is work that is added to or deleted from the original scope of work of a contract, which alters the original contract amount and/or completion date. A change order may fork a new project to handle significant changes to the current project.〔(Project Management Process - Phase 3 - Implementing - Change Control )〕 Change orders are common to most projects, and very common with large projects. After the original scope (or contract) is formed, complete with the total price to be paid and the specific work to be completed, a client may decide that the original plans do not best represent his or her definition for the finished project. Accordingly, the client will suggest an alternate approach. Common causes for change orders to be created are: * The project's work was incorrectly estimated * The customer or project team discovers obstacles or possible efficiencies that require them to deviate from the original plan * The customer or project team are inefficient or incapable of completing their required deliverables within budget, and additional money, time, or resources must be added to the project * During the course of the project, additional features or options are perceived and requested. * If the contractor has to add work items to the original scope of work at a later time in order to achieve the customer's demands, a fair price for the work items and fees must be added for the materials and labor. * Extreme weather conditions cause (delays ) or require additional work to complete construction. A project manager then typically generates a change order that describes the new work to be done (or not done in some cases), and the price to be paid for this new work. Once this change order is submitted and approved it generally serves to alter the original contract such that the change order now becomes part of the contract. ==See also== *Business management * Change request 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「change order」の詳細全文を読む スポンサード リンク
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