随着三峡二次截流施工组织设计方案的出台 ,三峡工程导流明渠截流中标实施单位葛洲坝集团公布了其行动计划 ,并确定了工期。前者为三期截流工程 ,后者为碾压混凝土围堰工程。两大工程控制进度时间表如下 :导流明渠截流及上、下游土石围堰填筑工程控制进度 :2 0 0 2年 11月 1日 With the introduction of the construction design plan for the construction of the secondary closure of the Three Gorges Dam, Gezhouba Group, the successful bidder for the closure of the diversion channel of the Three Gorges Project, announced its plan of action and determined the construction period. The former is the third phase of closure project, which is RCC cofferdam project. The schedule of the two major project control progress is as follows: Closure of Diversion Canal and Upstream and Downstream Earth-rock Cofferdam Filling Project Control Progress: November 1, 2002