[Attachment] Plan Overview

Locater map [Current building] 1st floor concourse floor plan

North entrance plaza Station amenities Shops

Machine Station amenities room, etc. EV Station Shops building Perie 3 Sobu Main Line (Perie 1) Urban (beneath overhead structure) EV East Entrance West Entrance plaza (3rd floor portion) Ticketed area concourse / (To ) Perie 1 Sotobo Line West EV Entrance Area to be raised 1 Area to be raised Shops Uchibo Line Shops East Entrance plaza Major issues EV (1) Current East Entrance Station JR Chiba with current station building Shops EV Sobu Local Line amenities (1) Too many pillars, obstructed vision Perie 2 Shops Shops (beneath overhead structure) (2) Relative height differs from West Entrance; divided into parts (3) Seismic reinforcement needed Sen City Bldg. Sogo Station raised to 3rd floor

[Plan] 3rd floor concourse floor plan

[Current building] Cross sectional view (image)

West Entrance ticket gate Station building (Perie 1) (3rd floor portion) Station EV building Platform level (2nd floor) EV Backyard ▼G.L. Shops (1st floor) East Entrance Station East Entrance ticket gate building ticket gate Ticketed area concourse

West Entrance [Plan] Cross sectional view (image) EV Station Chiba Urban Shops building Monorail

EV Station EV amenities Chiba Urban Monorail Concourse level (3rd floor) West Entrance ticket gate (3rd floor portion) Features of planned building Ticketed area concourse (1) A bright, open concourse

▼ G.L. (2) West Entrance directly connected to station area Platform level (2nd floor) (1st floor) (3) Station integrated with commercial area for East Entrance ticket gate added convenience