Zenitaka Major Works

Tunnel
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Nakoso tunnel, Route 6
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Toyogawa Irrigation Canal 2nd Phase Western Main Line Juxtaposed Waterway Toyooka Construction Section
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Sotobori-area flood basin pipe work Part2 in Ichigayahonmura-cho, Shinjuku-ku
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Construction of a water pipe in Shiraikawa
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Chubu-Odan Obigane No.1 tunnel
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Re-Consturuction of sewerage line at Jujodai-Jujonakahara
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Takamatsu Expressway Shido tunnel
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Rainwater ponding tube at Asahimachi (No.1), Hiroshima
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Princilpal local road Ofunato Ryori Sanriku line Koishihama tunnel (tentative)
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The Central Circular Route Shinagawa Line, Metropolitan Expressway
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Osaka Municipal Subway Line 3 and 4 Connecting Line
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Rainwater ponding tube at Haruyoshi, Fukuoka
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Nosakadake Tunnel , Maizuru-Wakasa Expressway
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Consturuction of sewerage line at Yahata 21-8
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Tokyo Circular Route 2 Underground Tunnel
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Shin Takeoka Tunnel, Kagoshima Route 3
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Aioiyama St.-Kamisawa St. Section, Nagoya Municipal Subway
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Sugimata Tunnel
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Keihan Nakanoshima Line Second Construction Zone
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Kegoya Tunnel, National Highway Route 487
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Tsukiguma No. 6 Rainwater Mainline
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Mori Tunnel, Joshinetus Driveway
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R24 Tozai Route Pipeline of Osaka Gas
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Yamaguchi 1st Construction Secion, Hanshin Expressway Kita-Kobe line
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Sumiyoshi Station, Hanzomon Line of Tokyo Metro Subway
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Arashiyama Tunnel, Hokkaido Expressway
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Rikuage Gas Governer Station-Kinshicho Pipeline of TOKYO GAS
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Kazunogawa Hydraulic Power Station
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Trans-Tokyo Bay Highway(Tokyo Bay Aqua-Line) Central Tunnel
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Sakai North Route Pipeline of Osaka Gas
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Higashi-Ginza Station, Toei Asakusa Line
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Higashi-Ginza Station, Tokyo Metro