为了使BT模式下的地铁项目能够做到全周期经营、全方位盈利，带动企业整体管理水平的全面提升，BT承办方以设计管理为切入点，通过充分发挥自身整体技术综合优势、集团统一协调人财物等资源共享、全线大宗量优惠采购、全线统一质量和安全控制标准以及内部资源统一调配等，实现超越一条线多个标段分散的结算利润。本文介绍了石家庄地铁项目BT模式下的设计管理工作，BT承办方通过前期介入优化初步设计图，项目开工前优化施工图，实施过程中优化技术方案，全过程管控设计变更，达到全线开源节流、缩短工期的目的。

In the paper, the design management of Shijiazhuang Metro under BT mode is presented as follows: The construction contractor of the BT project tries to intervene into the design works to optimize the preliminary design drawings in the preliminary stage, to optimize the construction drawings before the construction of the works is commenced, to optimize the technological scheme in the execution of the works and to control the design changes in the full course, so as to increase the income, save the expenditure and shorten the construction period. 