*Kentaro Fujimoto¹, Norio Uemura¹, Akihisa Wada² (1. P.S.Mitsubishi Construction Co.,Ltd., 2. Central Nippon Expressway Co.,Ltd.)

*Nobuaki Yoshiura¹, Eiichi Takashima¹, Yutaka Kitamura¹, Katsuhiro Kii¹, Kentarou Oda¹, Hiroshi Nagatani² (1. Shimizu Corporation, 2. THE NIPPON ROAD Co.,Ltd.)

*Aoto Hirabayashi¹, Takakura Jin¹, Katsunori Shimazu², Mizuki Hosokawa³ (1. TODA CORPORATION LTD. Sapporo Branch, 2. TODA CORPORATION LTD. , 3. IBAC CO.,LTD.)

*Hitoshi Yokota¹, Fubuki Yamanaka¹, Sigetaka Isihama¹ (1. Kumagai Gumi)

*Tetsuya Yamashita¹ (1. Daitetsukougyou)

*Yuuichirou TANAKA¹, Toshihiro YASUI¹, Kazuya OGIWARA¹, Seiya YOKOTA², Yoshiaki SUZUKI² (1. NEXCO-EAST ENGINEERING COMPANY LIMITED, 2. East Nippon Expressway Company Limited)

*Takeshi Nakazawa¹, Katusiki Hirano¹, Akira Kojima¹, Terumasa Kawahara¹, Taichi Furumata¹, Kentarou Yagi² (1. Fujita Corporation, 2. Chubu Electric Power Grid)