For the main stream of the Yodogawa-River, it worked out a plan to build Amagase Dam in addition to dredging the Seta-gawa River, and strengthening dikes such as repairing Setagawa-araizeki Barrage.
淀川本川においては瀬田川浚渫・瀬田川洗堰改築を始め堤防強化に加え、天ヶ瀬ダムを建設する計画を立てた。