| Shenzhen Metro Network |
The Shenzhen Metro Phase 1 network, now in operation comprises two lines, Line 1 (L1) between Lo Wu and the "Windows of the World" in the east-west direction, and the first phase of Line 4 (L4) connecting Huanggang Boundary Control Point with Shaoniangong in the north-south orientation. Interchange between L1 and L4 is provided at Huizhanzhongxin Station. The Phase 1 network, comprising 20 stations, has been opened for service on 28th December 2004.
The Shenzhen Municipal Government plans to expand the rail network by constructing 8 new extensions, of which 4 are metro lines (new Lines 2 and 3, and extension of Lines 1 and 4) whilst the remainders are fast regional light rails (Lines 6, 8, 11 and 12) by 2010 (See Figure 1 for the proposed rail network for Shenzhen).
The extension of Shenzhen Metro L4, i.e. Phase 2, forms part of the major delivery programme of the overall rail development plan in Shenzhen.
 Shenzhen Network  Shenzhen Line 4 |
| Project Description |
The Shenzhen Metro Line 4 Phase 2 project is a vital part of the Shenzhen overall rail expansion plan. It forms a logical extension of the Line 4 Phase 1 rail line, extending northwards from Shaoniangong Station (Juvenile Activity Centre) to Qinghu Station.
Line 4 Phase 2 is approximately 15.8 km long, consisting of approximately 5 km of underground section and 10.8 km of at-grade and elevated sections. It has 10 stations, i.e., two underground stations, one at-grade station, and seven elevated stations. In addition, a maintenance depot will be constructed at Longsheng Station. The two underground stations and the associated tunnels will be constructed using drill-and-blast method and Tunnel Boring Machine which is specially built for this project.
The total project cost is approximately RMB6.0 billion, which is 100% funded by MTR as an investment project. This investment railway project is expected to complete by mid 2011. MTR has established a subsidiary company in Shenzhen, MTR Corporation (Shenzhen) Limited, to undertake the project management of this investment project in Shenzhen.
On 26th May 2005, MTR Corporation initialled a Concession Agreement with Shenzhen Municipal Government on the investment, construction and operation of Shenzhen Metro Line 4.
On 4th November 2005, the groundbreaking ceremony for the Phase 2 Trial Section was held in Shenzhen. Mr Xu Zongheng, Mayor of Shenzhen Municipal Government was one of the officiating guests.
| Progress Update - March 2010 |
Design
The concession agreement (CA) was formally signed in March 2009. For civil design, preparation of drawings for phase II architectural finishes is in progress.
Procurement
All major civil works contracts and electrical and mechanical contracts (including rolling stock and signalling) have been awarded. Sundry maintenance related services and material supply are being procured to cope with the taking over of Shenzhen Line 4 Phase 1 in the near future.
Construction
Underground Section
For the tunnel section from Shaoniangong to Lianhuabei, drill and blast excavation was completed. Tunnel lining works for tracks were completed while central siding works are in progress. For the tunnel section from Lianhuabei to Shangmeilin, all drill and blast excavation were completed. For the tunnel section from Shangmeilin to Minle, drill and blast excavation was completed while tunnel lining works and central siding are in progress. For Shangmeilin Station, station box structure and internal structure were completed and architectural builders works and finishes (ABWF) and building services (BS) works are in progress. For Lianhuabei Station, construction of the main station box and internal structure were completed and ABWF and BS works are in progress.
Viaduct Section
Main station structures at the Minle Station, Baishilong Station, Hongshan Station, Shangtang Station, Longsheng Station, Longhua Station and Qinghu Station were completed. ABWF and BS works at these stations are in progress.
Construction of Y-column at Shenzhen North Station is in progress. Construction of viaduct decks between Minle and Baishilong, depot in/out track, Hongshan to the end track were completed. Viaduct deck construction between Baishilong and Hongshan is in progress.
Depot Area
Bored piles were completed, about 80% of pile cap, and 70% of platform structure have been completed.
Electrical & Mechanical (E&M) Works
Civil and E&M works are 96.0% and 38.8% complete respectively.
- Trackwork has completed 42% on the Mainline
- Track Related Installation Programmes (TRIP) have commenced on 1st March 2010
- Depot Podium is 86% complete
- Architectual builders works and finishes (BWF) and Buidling Services (BS) are progressing well and have started works for the last station of the line
- Delivery of HV equipment has commenced
- Rolling Stock Mock Up is in progress
Takeover of Phase 1: July 2010
Opening of Phase 2: July 2011
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