*Atsumi Sawamura¹, Kouichi Haze¹, Hironori Nakano¹, Takayoshi Shiina², Yusuke Takagi², Tomio Sakue³, Kuniya Kido⁴ (1. TODA CORPORATION, 2. NISHIMATSU CONSTRUCTION CO.,LTD., 3. LION SPECIALTY CHEMICALS CO.,LTD., 4. HOKUTO INDUSTRIES CO.,LTD.)

*Koichi Haze¹, Atsumi Sawamura¹, Kenichi Moriya¹, Takayoshi Shiina², Yusuke Takagi², Tomio Sakue³, Kuniya Kido⁴ (1. TODA CORPORATION, 2. NISHIMATSU CONSTRUCTION CO.,LTD, 3. LION SPECIALITY CHEMICALS CO.,LTD, 4. HOKUTO INDUSTRIES Co.,Ltd)

*takashi ohta¹, Toshikatsu Nakashima¹, Satoshi Maehara¹, junpei Sawada¹ (1. Tokyu Construction)

*Shinichiro Matsubara¹, Hiroki Kuriyagawa¹, Masaki Tanigawa¹, Masatoshi Uno¹, Fumihiro Miyase¹, Tetsuhito Yamamoto², Ryo Kitamura² (1. SHIMIZU CORPORATION, 2. Central Nippon Expressway Company)

*Tomohiro Kito¹, Isao Furukawa¹, Keisuke Maruyama¹, Tsutomu Nakanishi¹, Taro Kimura¹, Yoshiaki Uegaki², Kenji Akiyoshi² (1. Obayashi Corporation, 2. Toyama Kyodo Jikahatsuden Corporation)

*koki shinohara¹ (1. MAEDA CORPORATION)

*Keisuke Fukada¹, sotaro matsumoto¹, yasunobu masuhara¹, naoki kaneko², hajime takahashi², ryu mizushima² (1. kumagaigumi, 2. tohoku electric power)