The author studies the common problems in the engineering change and the management of the engineering visa,puts forward the concrete control measures in the different stages,discusses the points for attention and the related principle of the engineering change and the engineering visa,to guarantee the use benefit of the investment fund,to put an end to the engineering cost dissension caused by the design change and the casualness of the site visa.

针对手写工作票管理的缺陷和目前使用的一些工作票管理系统存在的实用性、通用性不足的问题,开发了一种基于C/S模式的并兼以浏览器浏览查询的工作票管理系统。