〇Masato Sasaki¹, Ken Sushida¹, Osamu Watanabe², Shingo Sato³, Atsushi Yamamoto¹, Masatake Fujinaga¹, Hidefumi Sakurai¹ (1.Construction Bureau City of Sapporo, 2.Suimon Kikaku, 3.Fukken Gijyutsu Consultant)

〇Ken Sushida¹, Masato Sasaki¹, Hidefumi Sakurai¹ (1.Construction Bureau City of Sapporo)

〇Atsushi Yamamoto¹, Masatake Fujinaga¹, Kenichi Nishiyama¹, Kosuke Ezawa¹, Masato Sasaki¹, Ken Sushida¹, Hidefumi Sakurai¹ (1.Construction Bureau City of Sapporo)

〇Kohei Kohei¹, Kazunori Kaneko¹, Kazumoto Egami¹, Ken Sushida¹, Yuji Abe¹, Hidefumi Sakurai¹, Shunzo Kawajiri² (1.Construction Bureau City of Sapporo, 2.Kitami Institute of Technology)

〇Yuji Abe¹, kazunori kaneko¹, Ken Susida¹, Kazumoto Egami¹, Kenichi Nishiyama¹, Kohei Sogabe¹, Hidefumi Sakurai¹ (1.Construction Bureau City of Sapporo)

〇Toshio Fujihara¹, Kazuhiro Watanabe¹ (1.National Institute for Land and Infrastructure Management )

〇Tomoya Tsunei¹ (1.Tsunei Professional Engineering Office)