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Japan

Japan, Okayama Prefecture - jp/21

Water supply

Closing Date: 24.08.2017 (Tender Closed)

Invitation to tender, deadline 24.08.2017, for Construction Works of the Shield Tunnel for the Handayama Water Pipeline. For further information contact the Contract Section, Property Management Division, Waterworks Bureau, City of Okayama, 2-1-1 Shikata-cho, Kita-ku, Okayama-City 700-0914 Japan tel +81-086-234-5917. Visit https://www.jetro.go.jp/en/database/procurement/local/2017/07/9e7fe0e6b82502bb.html and/or http://www.globaltenders.com/tenders/full-detail/40728418. Ref.n. 40728418. 32/17.

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Japan, Nagano Prefecture - jp/20

Road

Closing Date: 15.09.2017 (Tender Closed)

Invitation to tender, deadine line 15.09.2017, for the construction of the Uchu Tunnel n. 2. For further information contact Nagano Prefectural Omachi Construction Office,  Omachi City, tel +81-261-23-6531, email omachiken-somu@pref.nagano.lg.jp. Visit https://www.jetro.go.jp/en/database/procurement/local/2017/07/bfda865a9825e897.html and/or http://www.globaltenders.com/tenders/full-detail/41300589. Ref.n. 41300589. 32/17.

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Japan, Gunma - jp/19

Bypass Railway

Shimizu/Nishimatsu/Hazama JV is commissioning a 6.82 m-diameter Kawasaki hard rock TBM on a single-tube, 4.6 km-long railway tunnel on a dam bypass line in rock of UCS to 160MPa. Completion expected in January, 2006. Visit www.khi.co.jp 34/03.

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Japan, Tokyo - jp/18

Outer Loop Road

The Tokyo metropolitan government has presented a revised plan to extend the Tokyo Outer Loop Road, which puts most of the road underground rather than above ground. The 16 km extension begins in Nerima Ward and ends in Setagaya Ward. Nine kilometres between Nerima Ward and Mitaka, western Tokyo, would be constructed underground. The entire construction bill could amount to nearly ¥2 trillion.The 85 km Tokyo Outer Loop Road passes through Tokyo and three prefectures. The portion passing through Saitama Prefecture has already opened to traffic, while the portion passing through Chiba Prefecture is under construction. 45/02. The central government has signed an agreement with the Tokyo metropolitan government to build a 16 km underground motorway under Tokyo, beginning in Nerima and ending in Setagaya, one of the richest residential areas in central Tokyo. The new expressway, named Gaikando, will link the northwest areas of the capital to the southwest boroughs and will run at a depth of 40 m. TBM method to be used. Its cost is estimated at $9.6 billion. 03/03.The transport ministry and the Tokyo metropolitan government have agreed to build part of the Tokyo sector of the Gaikando expressway as a tunnel that will be more than 40 m underground. The planned tunnel will be 16 m in diameter. The Gaikando is a 86 km expressway running in a roughly 15 km radius of central Tokyo that will form the third circular expressway in the Tokyo metropolitan area.The underground plan covers one of the two Tokyo sectors, a 16 km stretch between Nerima Ward and Setagaya Ward. 12/03.

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Japan, Shizuoka - jp/17

Expressway

Second Tomei highway 320 km-long from Tokyo to Nagoya under construction in hard mudstone and sandstone by jv of Hazamagumi, Toda and Fujita. Specialist subcontractor Kibe is using four large Rammer hydraulic hammers on the 1.18 km-long x 18 m-wide Shizuoka tunnel in parallel with drill/blast techniques. 3,700 kg G100T hammer mounted on a Komatsu PC400ST hydraulic excavator is used for face excavation and G80N City and S83 hammers are used for scaling with exceptional levels of productivity and reliability. Project is on schedule for completion in March 2003. Further information from www.rammer.com and www.fujita.com June 2000. Construction of third Shimizu tunnel under way in Shimizu, Shizuoka Prefecture by Japan Highway Public Corp. (JH) on expressway linking Tokyo with Nagoya. Twin tubes, 1,120 m-long each 15 m-wide with three 3.75 m-wide lanes plus 2.5 and 1.25 m-wide shoulders. Pilot tunnel driven by 5 m-diameter TBM prior to drill/blast enlargement. Excavated cross section of about 200 sq m. The Ministry of Land, Infrastructure and Transport is debating whether to suspend construction work on the expressway expected to cost at least ¥10 trillion. 47/01.

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Japan, Tokyo - jp/16

Metro

The Oedo loop line in Tokyo will be completed in December, 2000. The first 12.1 km section of the 40.7 km line, which will provide almost 20 connections with suburban and metro lines, and major facilities and attractions, was opened in December, 1997 between Hikarigoaka and City Hall. Cost of the line, which was planned 28 years ago and approved for construction 14 years ago, has increased from $6.5 billion to $10 billion despite linear induction motor traction being selected to allow smaller, cheaper tunnels. March 2000.

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Japan, Yokohama - jp/15

Metro

  New 4.1 km metro line from Yokohama station to downtown Motamachi via the Minato Mirai 21 area, scheduled to be in service 2003. Hazama Corporation undertaking 450 m-long twin-tunnel section between Kenchomae and Kitanaka stations using high performance mud pressurised 7.15 m-diameter DPLEX shield developed by NKK. This design of decentred multi-shaft shield accommodates circular, rectangular and horseshoe sections and boasts reduced cutter torque compared with conventional single-shaft machines. The makers say it is cheap to run and easy to dismantle. January 2000.

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Japan, Hakkoda - jp/14

High Speed Rail

Drill/blast 4.3 km-long, 70 sq m vaulted cross-section twin-track Shinkansen tunnel in north of Honshu island will use semi-mobile crusher and conveyor system. Rock will be transported to the crusher in 5 cu m containers which will be used for stocking to relieve face. Scheduled start May, 2000. Information from dbtminpro@t-online.de December 1999.

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Japan, Tokyo - jp/13

Metro

Teito Rapid Transit Authority has proposed a new 8.8 km line to link Shibuya and Ikebukuro via Shinjuku, work to commence 1999 for commissioning 2007. March 1999.

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Japan, Hanshin Expressway - jp/12

Highway

Twin tunnels at Arimakita (1,810 m/1,845 m x 11 m wide) to be built in Cretaceous hard strata and Miocene soft strata by jv of Hazama/Maeda and Nishimatsu/Shimuzu at cost of Y10.6 billion commencing March, 1999 and scheduled for commissioning 2003. February 1999.  Twin tunnels at Kitasumakouku (380 m/550 m x 11 m wide) to be constructed in tuffs, conglomerates, sandstones and mudstones by jv of Konoike/JDC and Tobishima/Tokyu costing Y10.2 billion commencing June/December, 1999 for commissioning 2003. February 1999.

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