*Shunsuke Sato¹, Kazuhisa Teramura¹, Kazuhiro Kameyama¹, Kazuyuki Shimizu¹, Izumi Kai² (1. Penta-Ocean Construction Co., Ltd., 2. Osaka Metro Co., Ltd.)

*yoshiki onari¹, shingo kinoshita¹, mituhiro omata¹, yoshinori iizima² (1. obayashi, 2. mizushigenkikou)

*Kohei Kito¹, Mitsuhiro Omata¹, tsuchihasi takeo¹, Yoshinori Iijima² (1. Obayashi Corporation, 2. Japan Water Agency)

*Ayaka Okamoto¹, Ayato Tsutsumi¹, Atsushi Yamamoto¹, Sadayoshi Suzuki¹ (1. PENTA-OCEAN CONSTRUCTION CO.,LTD.)

*Masahiro Kai¹, Ayato Tsutsumi¹, Atsushi Yamamoto¹, Youhei Sowa², Ryuusuke Sagawa², Kazuo Kashiyama³, Fumiya Susaki³ (1. PENTA-OCEAN CONSTRUCTION Civil Engineering Design Department, 2. PENTA-OCEAN CONSTRUCTION Kyushu Branch, 3. Chuo University)

*Megumi Miyashita¹, Kuratoshi Maeda¹, Yasuhiko Abe¹, Takashi Sato¹ (1. TOYO CONSTRUCTION)