Abstract
This system has been developed in order to secure a stable working efficiency and safety in the process of dam concrete transportation and placing work. The system consists of three process, to feed concrete to a bucket by transfer car and to transfer a bucket by rope type cable crene automatically, and to discharge concrete at placing position manually. This system has been adopted to Tazawagawa Dam Project ordered by Yamagata Prefecture and got good result, and so this paper reports the outline of this system.
