The new construction of the four-electric system integration and related engineering of the Duzhou-Dazhou-Wanzhou railway
1. Project OverviewConstruction site:
Chengdu City, Ziyang City, Suining City, Nanchong City, Dazhou City and Kaizhou District and Wanzhou District of Chongqing.
Construction scale: The new high-speed railway from Dazhou to Wanzhou is located in Chongqing and Sichuan Province, with a total length of 502266km, the length of the new main line is 419833km, using 82 high-speed rail433km。There are a total of 13 stations, including 7 new ones (Yuexi, Kaijiangnan, Dazhou South, Quxian North, Yingshanxi, Pengxi South, Lezhi), 3 existing stations (Wanzhou North, Suining, Nanchong North), and 3 stations under construction (Ziyang West, Tianfu Airport, Tianfu). Main technical standards: Railway grade: high-speed railway; Design speed: 350 km/h; Number of positive lines: double lines; Positive line spacing: 50 m; Minimum curve radius: 7000m (difficult 5500m); Maximum slope: 20 in general lots, 30 in difficult lots; Effective length to hairline: 650 meters; Train operation control mode: CTCS-3 train control system; Dispatching and command mode: centralized dispatching; Minimum travel interval: 3 minutes.
The number of Chengda Wanqiang Electric Integration 1 standard projects is: electricity: 572 kilometers of 10kv cables, 197 low-voltage cables15 kilometers, 2 10kV power distribution stations, 1 reconstructed power distribution station, 92 box-type substations, 25 tunnel lighting036 km; Traction power supply: 3 new 220KV traction substations, 5 AT subdivisions, 9 AT stations, catenary 602111 km; Housing construction: the construction area of production and living houses is 43,669 square meters. The specific quantity is subject to the bill of quantities and drawings, mileage range: 1Positive line DK208 + 650 D2K464 + 344165 and related hubs were introduced into the scope of the project. Length 119148 (Second Hospital) +105129 (China Railway Design) a total of 224277km。2.Right line bypass section: D2K460+984066～d2yk463+536.382, the length of the right line bypass section 2552km。3.Suicheng contact line related strong current project (excluding Chengdu refers to the construction part), length 367km。4.South Charge North Movement Routing DZDK0+000-DZDK1+83193, line length 1832km (excluding the part built on behalf of Hanbanan) strong current project.
The number of Chengda Wanqiang Electric Integration 2 standard projects is: electricity: 10kv cable 47113 km, 216 low-voltage cables94 kilometers, 4 new 10kV power distribution stations, 1 rebuilt power distribution station, 16 indoor substations, 88 box-type substations, and 70 tunnel lighting4 kilometers, 1 main station for tunnel disaster prevention and rescue; 3 tunnel gas ventilation projects; Traction power supply: 4 new 220kV traction substations, 4 AT sub-stations, 7 AT stations, Wanzhou North traction substation, 521 kilometers of catenary wires; Housing construction: the construction area of production and living houses is 56,573 square meters. The specific quantity is subject to the bill of quantities and drawings, mileage range: 1The main line D2K0+000 DK208+650, the right line bypass section D2YK0+000 D2YK19+000 and related hub ranges. Length 195556km。2.Dazhou Nandong line and parking lot dzdk0+000 dzdk2+700, length 27km。
The number of Chengdawan weak current integration 1 standard projects is: communication: optical cable 553807 kilometers, 77 towers, 22 sets of base station equipment, 33 sets of distributed base stations, 19 sets of repeater near-end units, and 76 sets of remote units; Signal: Optical cable 1555664 kilometers, 7 sets of computer interlocking equipment, 20 sets of train control equipment, 194 signals, 158 groups of interlocking turnouts; Disaster monitoring: 31 wind monitoring equipment and 14 rain monitoring equipment; 2 foreign body intrusion monitoring equipment; Customer service and information: each station is equipped with a passenger service information system, each station and supporting housing is equipped with an office management information system, a public security management information system, and an information system for the EMU used by the EMU; Housing construction: The total construction area of the four electric houses (base station, repeater, relay station, independent tower foundation) is 845230 square meters, the specific quantity is subject to the bill of quantities and drawings. , mileage range: 1Positive line DK208+078 (where the signal mileage is downlink DK213+301, uplink line DK213+973;Information and communication, including camp Shanxi Comprehensive Work Zone) d2k464+344165 and the introduction of related projects. Length 224277km。2.Suicheng contact line related weak current project (excluding Chengdu refers to the construction part), length 367km。3.South Charge North Movement Routing DZDK0+000-DZDK1+83193, line length 1832km (excluding the part built by Hanbanan) weak current project.
The number of Chengdawan weak current integration 2 standard projects is: communication: trunk optical cable 849222 kilometers, 93 towers, 37 sets of base station equipment, 23 sets of distributed base stations, 35 sets of repeater proximal units, and 155 sets of remote units; Signal: Optical cable 13756 kilometers, 7 sets of computer interlocking equipment, 17 sets of train control equipment, 129 signals, 92 groups of interlocking turnouts; Disaster monitoring: 29 wind monitoring equipment, 15 rain monitoring equipment, and 1 foreign body intrusion monitoring equipment; Information: 5 sets of passenger service information systems, 16 sets of office information systems; 1 set of first-class monitoring system for parking lots, 17 sets of public security management information systems, 4 sets of first-class monitoring systems for police stations, 4 sets of intrusion alarm equipment for police stations, and 4 sets of special equipment for public security law enforcement and case handling in police stations; Housing construction: The building area of the four electric houses (base station, repeater, relay station, and independent tower foundation) is 367110 square meters, the specific quantity is subject to the bill of quantities and drawings, mileage range: 1The main line D2K0+000 DKDK208+078 (where the signal mileage is the downlink DK213+301 and the uplink DK213+973), the right line bypass section D2YK0+000 D2YK19+000 and related hub ranges. Length 194983km。2.Dazhou Nandong line and parking lot dzdk0+000 dzdk2+700, length 27km。
Second, the bidding information.
Chengda Wanqiang integrated 1 standard.
First place: China Railway Construction Electrification Bureau Group *** bidding ** (yuan) 1058170173
Second place: China Railway Wuhan Electrification Bureau Group *** bidding ** (yuan) 1058185464
Third place: China Railway Electrification Bureau Group *** bid ** (yuan) 1058178715
Chengda Wanqiang integrated 2 standards.
First place: China Railway Wuhan Electrification Bureau Group *** bid ** (yuan) 1208539964
Second place: China Railway Construction Electrification Bureau Group *** bid ** (yuan) 1208542002
Third place: China Railway Electrification Bureau Group *** bid ** (yuan) 1208550652
Chengdawan weak current integration 1 standard.
First place: China Railway Fifth Bureau Group Electrical Engineering Co., Ltd. Insigma System Engineering *** Bidding ** (Yuan) 721124180
Second place: China Railway Second Bureau Group Electrical Engineering *** China Railway Eighth Bureau Group Electrical Engineering *** Bidding ** (Yuan) 721132774
Third place: China Railway Ninth Bureau Group Electrical Engineering *** Yicheng Innovation Technology *** Bidding ** (Yuan) 721155315
Chengdawan weak current integration 2 standard.
First place: China Railway Second Bureau Group Electrical Engineering *** China Railway Eighth Bureau Group Electrical Engineering *** Bidding ** (Yuan) 606845895
Second place: China Railway Fifth Bureau Group Electrical Engineering Co., Ltd. Insigma System Engineering *** Bidding ** (yuan) 606845907
Third place: China Railway Ninth Bureau Group Electrical Engineering *** Yicheng Innovation Technology *** Bidding ** (Yuan) 606812573