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full Annual Report 2003(5.9

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Yamaguchi Reservoir<br />

New Building Construction Contracts<br />

•Muromachi Mitsui New Building Construction Project<br />

Use: Office, hotel, retail, parking and common area, Floor area: 130,752 m2 Structure: S and SRC, partially RC 4 basements, 38 floors above ground,<br />

1 penthouse<br />

•Shiodome Sumitomo Building Construction Project<br />

Use: Office, hotel, retail, parking, Floor area: 99,400 m 2<br />

Structure: S, RC, SRC 3 basements, 25 floors above ground, 2 penthouses<br />

•Akasaka 1-chome Project<br />

Use: Office, condominiums, retail, Floor area: 74,640 m 2<br />

Structure: S, SRC 3 basements, 29 floors above ground, 1 penthouse<br />

•Shiki Asakadai Project<br />

Use: Condominiums, Floor area: 61,269 m 2<br />

Structure: RC, 1 basement, 14 floors above ground<br />

•Laurel Tower Namba<br />

Use: Condominiums (389 units), Floor area: 50,731 m 2<br />

Structure: RC, 1 basement, 39 floors above ground, 1 penthouse<br />

•Takeda Chemical Industries Hikari Plant<br />

Use: Pharmaceutical-related facilities, Floor area: 11,926 m 2<br />

Structure: SRC (partially RC), 3 floors above ground<br />

New Civil Engineering Contracts<br />

•Construction Work on the Sunakosawa Dam<br />

Gravity dam; Height: 78.5 m, Length: 185 m, Maximum water capacity:<br />

8,650,000 m3 , Effective capacity: 7,630,000 m3 , Control of flood, water flow<br />

level and supply of drinking water<br />

•Ishioka Second Section Tunnel Construction of the Kasumigaura Water<br />

Conveyance Project<br />

Water tunnel work to connect Kasumigaura Lake and Nakagawa River; shield<br />

tunnel method. Main tunnel length: 5,000 m, Tunnel diameter (interior): 3.5 m<br />

•Water Pipeline (f 1,800 mm – 700 mm) Project, to be constructed between<br />

Ohi Water Supply Station and Higashi-Ohi, Shinagawa Ward in Tokyo<br />

Shield tunnel method; utilizing a unique system of ejecting a smaller 2,400-mm<br />

diameter sub-shield machine from a 4,500-mm main shield machine at right<br />

angle to build a backup water line system in Tokyo<br />

•Construction Work of National Highway 9, Kyoto-Nishi Underground<br />

Two-Level Crossover Project<br />

Conversion of four-lane highway and building of a two-lane underpath to solve<br />

traffic congestion at the intersection. Tunnel length: 490 m<br />

•Civil Portion (The 4th Building Construction Area) of Construction Work<br />

for the Nakanoshima New Railway<br />

Open cut tunnel; Length: 192.4 m, Width: 15 to 21 m<br />

Shield tunnel; Length: 418.6 m, External diameter of segments: 6,800 mm<br />

•Fukuoka Route 202 Outer Ring Common Duct No. 1 Work Shield Tunnel<br />

Project<br />

Construction of a common duct underneath Fukuoka Route 202;<br />

Length: 2,770 m, External diameter of segments: 6,300 mm<br />

•Construction Work for the Body of Inaba Dam<br />

Gravity dam; Height: 56 m, Length: 233.5 m<br />

Maximum water capacity: 7,270,000 m 3 , Effective capacity: 6,190,000 m 3 ,<br />

Control of water flow level and supply of drinking water<br />

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