*Takayoshi Shiina¹, Satoru Yamamoto², Daisuke Yamaki³, Hirotaka Sato⁴, Nanase Nishikawa⁵ (1. Nishimatsu Construction Co., Ltd., 2. Nishimatsu Construction Co., Ltd., 3. Nishimatsu Construction Co., Ltd., 4. Nishimatsu Construction Co., Ltd., 5. Nishimatsu Construction Co., Ltd.)

*Takeshi Shiomi¹, Daisuke Hidano¹, Michiteru Yamagami¹, Kazuki Kobayashi¹, Junichi Nakamura² (1. Arai Kensetsu, 2. Profile of Hokkaido Developmen)

*Yuichi Okazaki¹, Yoshitaka Takahashi¹, Yuta Narita², Yuki Nakamura² (1. OBAYASHI Corporation, 2. Hokkaido Regional Development Bureau, MLIT)

*Hayato Fukushima¹, Toshiji Hazama¹, Atsushi Watanabe¹ (1. OBAYASHI CORPORATION)

*kouji tanaka¹, masahiro hashizume¹, makoto toyama² (1. OBAYASHI CORPORATION, 2. Japan Railway Construction, Transport and Technology Agency)

*Kosuke Katsura¹, Kenji Harada¹, Wataru Kobayashi¹, Keita Kitano¹ (1. Konoike Construction Co., Ltd.)

*Keita Kitano¹, Hisashi Tanaka¹, Kazuki Fujihara¹, Junichi Hirano¹, Atsushi Sera¹, Yuichi Kodama² (1. KONOIKE CONSTRUCTION CO.,LTD., 2. Ministry of Land, Infrastructure, Transport and Tourism Kinki Regional Development Bureau)