推荐回答（1个）
摘要：一些施工企业在经过残酷压价，低价中标后，在工程施工过程中，往往采取一些手段，与建设单位或设计单位沟通，利用签证单填写等过程，通过变更设计增加项目或提高价格等手段，来保证其微薄的利润。作为监督和管理单位应根据工程特点管理工程的现场签证。关键词：合同类型；设计变更；提高价格；规范；及时；临时工程Abstract：Some construction enterprises after cruel demand a low price, low wins the bid, in project construction process, often adopt some means, and construction units or communicate with the design department, use the visa form process, through changes designed to increase the project or raise the price and other means, to ensure their meager profits. As a supervision and management units should be according to the features of the project management of project site visa.Key words：Type of contract；Design change；Raise the price；Standard；In time；Temporary works中图分类号：TU723.1 文献标识码：A 文章编号：2095-2104（2012）工程施工过程中往往会发生设计变更、进度加快、标准提高、施工条件、材料价格等变化，从而影响工期和造价，利用这些设计变更、工程签证环节的漏洞，增强填写签证单的有效性，使签证成果得到合理的固定，通过变更设计增加项目或提高价格等手段，来保证施工企业自身利润。（剩余3043字）
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