British Rail Class 700
| British Rail Class 700 Desiro City | |
|---|---|
700110 at London Blackfriars on a training run
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Class 700 Thameslink interior
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| In service | 20 June 2016 – present |
| Manufacturer | Siemens Mobility |
| Built at | Krefeld, Germany |
| Family name | Desiro City |
| Replaced | |
| Constructed | 2014– |
| Number under construction | 55 twelve-car units (660 vehicles) 60 eight-car units (480 vehicles) 115 units in total (1140 vehicles) |
| Formation | 8 or 12 carriages per unit |
| Fleet numbers | 700001 to 700060 (8 car) 700101 to 700155 (12 car) |
| Capacity | 427 (52 first, 373 standard) seats, 719 standing (8-car) 666 (52 first, 614 standard) seats, 1,088 standing (12-car) |
| Operator(s) | Thameslink |
| Depot(s) | Hornsey, Three Bridges |
| Specifications | |
| Train length | 162.0 m (531 ft 6 in) (8-car) 242.6 m (795 ft 11 1⁄8 in) (12-car) |
| Car length | 20.2 m (66 ft 3 1⁄4 in) |
| Width | 2.80 m (9 ft 2 1⁄4 in) |
| Floor height | 1.10 m (43.31 in) |
| Wheel diameter | 820 to 760 mm (32.28 to 29.92 in) (new/worn) |
| Maximum speed | 160 km/h (100 mph) |
| Weight | 278 t (274 long tons; 306 short tons) (8-car) 410 t (400 long tons; 450 short tons) (12-car) |
| Power output | 3.3 MW (4,400 hp) (8-car, at wheel) 5.0 MW (6,700 hp) (12-car, at wheel) |
| Electric system(s) |
25 kV 50 Hz AC Catenary 750 V DC Third rail |
| Current collection method |
Pantograph (AC) Contact shoe (DC) |
| UIC classification |
8 car: Bo'Bo'+2'2'+Bo'Bo'+2'2'+2'2'+Bo'Bo'+2'2'+Bo'Bo' 12 car: Bo'Bo'+2'2'+Bo'Bo'+Bo'Bo'+2'2'+2'2'+ 2'2'+2'2'+Bo'Bo'+Bo'Bo'+2'2'+Bo'Bo' |
| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) standard gauge |
| Notes | |
| Sources : Desiro City data sheet Except where noted |
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The British Rail Class 700 is an electric multiple-unit passenger train being built for Thameslink as part of the Thameslink Programme in the United Kingdom.
A fleet of 60 eight- and 55 twelve- car trains is expected to enter service between spring 2016 and 2018. Associated rolling stock depots are being built at Hornsey and Three Bridges. The first train was delivered in late July 2015.
In 2011 the consortium Cross London Trains (XLT) consisting of Siemens Project Ventures, 3i Infrastructure and Innisfree was announced as preferred bidder with Siemens to manufacture the trains. The decision was politically controversial as the trains were to be built in Germany, while the competing consortium led by Bombardier Transportation had a train factory in the UK. Both the procurement process and final close of contract were significantly delayed, resulting in the expected first delivery date moving from 2012 to 2016. The £1.6 billion contract to manufacture and provide service depots for the trains was finalised in June 2013.
The first unit was introduced on 20 June 2016.
The Department for Transport began its procurement process (Thameslink Rolling Stock Project, or Thameslink Rolling stock Programme) on 9 April 2008, with the aim of introducing more passenger capacity on Thameslink lines to match expected demand. In addition, the bidders were to provide depots for vehicle maintenance and storage, and finance for the rolling-stock project whereby revenues would be generated from the long-term leasing of rolling stock to the operating train operating company and associated maintenance payments.
The general specifications included: high reliability, short station dwell times, integrated information technology including passenger information and information for vehicle maintenance, a top speed of 100 miles per hour (160 km/h) and high acceleration and deceleration performance in line with a high-frequency timetable. The trains were to be designed for low weight, low track forces and high energy efficiency. A standard-length train was to be about 240 metres (790 ft) long, with some services using trains limited to 162 metres (531 ft).
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