The paper introduces the concept,the scopes and the principles of the site visa according to the facts,illustrates the procedures for the site visa,and points out the factual measures for improving the site visa management at the construction stage,so as to direct the constructing and engineering parties to improve the management of the site visa,and to lower the engineering costs at the implementation stage.%结合实际介绍了现场签证的概念、范围及原则,着重阐述了现场签证的办理程序,并提出了加强施工阶段现场签证管理的具体措施,以指导施工单位及建设单位提高现场签证管理水平,有效降低实施阶段工程造价。
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