September 6，《New Nanning-Shenzhen Railway Yulin-Cenxi（Boundary between Guangxi and Guangdong provinces）Tender Announcement for Lump Sum Contract for Construction of Pre-station Works》Publish。Nanshen high-speed railway from Yulin to Cenxi, Guangxi（Boundary between Guangxi and Guangdong provinces）The section is about to enter the full construction stage.，Duration 3.5 years。Early commencement section of the project、Rongcen Tunnel, a 7036-meter-long control project, has been substantially constructed in June 2021.，At present, more than half of the tunnel has been excavated.。
《Tender notice》The main contents are as follows：
One、Bidding conditions
New Nanning-Shenzhen Railway Yulin-Cenxi of this bidding project（Boundary between Guangxi and Guangdong provinces）Duan has been appointed by the Development and Reform Commission of Guangxi Zhuang Autonomous Region《Guangxi Zhuang Autonomous Region Development and Reform Commission on the New Nanning-Shenzhen Railway Yulin-Cenxi（Boundary between Guangxi and Guangdong provinces）Reply to Section Feasibility Study Report》（Gui Fa Gai Traffic〔2020〕1261）Approve construction，The preliminary design has been completed by the Department of Transportation of Guangxi Zhuang Autonomous Region.《Department of Transportation of Guangxi Zhuang Autonomous Region on the New Nanning-Shenzhen Railway from Yulin to Cenxi（Boundary between Guangxi and Guangdong provinces）Reply to the preliminary design and budget estimate of the section project》（Guijiao Railway Construction Letter〔2021〕543）WenReply；
The owner of the project is Guangxi Nanyu Railway Co., Ltd.（Contract signing unit），The construction funds are raised by the owner himself.+Bank loan，The proportion of project investment is 100% ，The tenderer is Guangxi Nanyu Railway Co., Ltd.，The bidding agency is Guangxi Trading Hongguan Engineering Consulting Co., Ltd.。
Two、Project overview
1、Construction site：Yulin City, Guangxi、The scope of Wuzhou City
2、Project scale：New Nanning-Shenzhen Railway Yulin-Cenxi（Boundary between Guangxi and Guangdong provinces）Duan（Hereinafter referred to as Yucen Railway）From Yulin North Station of Nanning-Yulin Railway under construction，Go east along Luoyang-Zhanjiang Railway to Rongxian County，Trans-Luoyang-Zhanjiang Railway、National HighwayGAfter 324, Rongxian South Station will be set up.，Cross the national highway againG241，Cross Cenxi along the south side of Luozhan Railway，Set up Cenxi East Station to the provincial boundary。The line is about 111 kilometers long.，3 stations，Among them, Yulin North Station is under construction.，Rongxian South Railway Station、Cenxi East Station is a newly-built station.。
3、Main technical standards
High-speed railway。Number of main lines：Double line。Design speed：350 kilometers/Hour。Maximum slope：General Lot 20‰（Difficult section 30‰）。Minimum Curve Radius：General section: 7000m（Difficult section 5500 meters）。Effective length of receiving-departure track：650 meters。Type of traction：Electricity。Train operation control mode：Automatic control。Dispatching command mode：Centralized traffic control。
Three、Scope of bidding
1、Yulin North（Not included）To Cenxi（Boundary between Guangxi and Guangdong provinces）DK194+800～DK279+770 works in front of station，Not includedDK246+620～DK253+Section 676 has been tendered in front of the station.。
2、Yulin North（Not included）To Cenxi（Boundary between Guangxi and Guangdong provinces）DK194+800～DK279+770 Post-station works to be constructed simultaneously with the pre-station works（ContainDK246+620～DK253+676 segment signal integrated grounding）。
3、Cen Xi Dong（Not included）To the boundary section between Guangxi and Guangdong provincesDK279+770～DK305+916 Track laying works，Except for ballastless track worksCPⅢPrecise measuring network、Ballastless track bed（Including base plate of ballastless turnout、Construction of track bed）、All works other than fine adjustment of track，Including rail displacement observation pile，Prefabrication without bi-block sleepers。
4、Cen Xi Dong（Not included）To the boundary section between Guangxi and Guangdong provincesDK279+770～DK305+Section 916 Subgrade Concrete Fence、Side ditch cover plate、Cable trough body、Subgrade sump and cover plate，Sheet-pile wall and sheet-pile，Bridge fence concrete column，Bridge shutters，Subgrade and Bridge Cable Tray Cover、Tunnel central ditch cover plate、Prefabrication and transportation of small prefabricated components such as cable trough cover plates in tunnel ditches。
Four、Division of bid sections
This tender is divided into four bid sections.，The planned construction period of each bid section is 42 months.：
YCZQ-Bid 1：1、DK194+800～DK215+641.5，Main line 20.793km；2、DK194+800～DK305+916 Track laying works，Main line 111.041km；
YCZQ-Mark 2：DK215+641.5～DK234+679.5，Main line 19.012km；
YCZQ-Mark 3：DK234+679.5～DK246+620、DK253+676～DK262.635.405，Main line 20.9km；
YCZQ-Mark 4：DK262+635.405～DK279+770，Main line 17.135km。
Five、Deadline for Submission of Tender Documents（Deadline for bid submission）For 2022-09-27 09:30:00，The location is the bid opening room of the Guangxi Zhuang Autonomous Region Public Resources Trading Center on the fourth floor of the Autonomous Region Government Service Center, No.6 Yibin Road, Nanning City, Guangxi.。
