British Rail Class 720

Last updated

British Rail Class 720
Aventra
Vehicles of the United Kingdom 278 (edited).jpg
Class 720574 interior including perch seats.jpg
The interior of a Greater Anglia Class 720 Aventra
In service26 November 2020–present
Manufacturer
Built at Derby Litchurch Lane Works
Family name Aventra
Replaced
[1]
Constructed2018–2024 [2]
Number built145
Number in service107 [3]
Formation
  • 5 cars per unit:
  • DMS-PMSL-MS2-MS3-DTSLW
Diagram
  • DMS vehs.: EL237
  • PMSL vehs.: ER221
  • MS2 vehs.: ER222
  • MS3 vehs.: ER223
  • DTSLW vehs.: EQ205 [4]
Fleet numbers
  • 720101–720144 [5]
  • 720501–720589
  • 720601–720612
Capacity490 seats (Greater Anglia sets) [6] plus 145 standees
443 seats (c2c sets) [7] plus 236 standees [8]
Owners Angel Trains [9]
Operators
Depots
Specifications
Car body construction Aluminium
Train length122 m (400 ft 3 in)
Car length24.2 m (79 ft 5 in)
Width2.77 m (9 ft 1 in)
DoorsDouble-leaf sliding plug
(2 per side per car)
Maximum speed100 mph (161 km/h)
Weight
  • 193.1 tonnes (190.1 long tons; 212.9 short tons)
Power output2,300 kW (3,100 hp)
Acceleration 0.8 m/s2 (1.8 mph/s)
Electric system(s) 25 kV 50 Hz AC overhead
Current collector(s) Pantograph
Bogies Bombardier Flexx-Eco [11]
Safety system(s)
Coupling system Dellner
Multiple working Within class
Track gauge 1,435 mm (4 ft 8+12 in) standard gauge
Notes/references
Sourced from [12] [13] unless otherwise noted.

The British Rail Class 720 Aventra is a class of electric multiple unit (EMU) passenger train designed and produced by the rolling stock manufacturer Bombardier Transportation and Alstom. The Class 720 is operated by both Greater Anglia and c2c.

Contents

145 Class 720 units were ordered in the five car configuration only; these are to be operated across multiple suburban lines leading out of both London Liverpool Street (Greater Anglia and c2c) and London Fenchurch Street (c2c). [14] Originally intended to be introduced during 2019, delays were encountered during development that minorly impacted this timetable. On 26 November 2020, Greater Anglia commenced the Class 720's introduction. Its initial operations were centred on the London Liverpool Street to Southend Line. [14] All Greater Anglia units were intended to be in service by the summer of 2020. [13] c2c's fleet entered service on 27 September 2023. [15]

Cab interior of a Class 720 Class 720 Cab.jpg
Cab interior of a Class 720

Description

The Class 720 is a member of rolling stock manufacturer Bombardier's Aventra family of multiple units, having been developed from the company's successful line of Electrostar electric multiple units (EMUs). [13] In comparison to the preceding Electrostar, with which it shares numerous elements, the Class 720 is a considerably lighter vehicle, and features longer carriages: a ten-car Class 720 train is approximately the same length as a 12-car Class 360 train, the ten-car Class 720 has a tare weight of 386 tonnes in contrast to the 516 tonnes of the 12-car Class 360 train, while providing considerably more seating. [13]

Each car has a length of 24 m (79 ft), the bodyshell of which is composed of aluminium, the assembly of which using both welding and bolting techniques. [13] The Class 720 has a maximum speed of 100 mph (160 km/h), possessing a starting tractive effort per motor of 21.6  kN (4,900  lbf ) and a peak traction power at the wheel of 2,300 kW (3,100 hp) per unit to achieve its maximum rate of acceleration of 0.8 m/s2 (1.8 mph/s). The driver is seated in a central position within the forward cab; a second seat is provided for an observer/instructor. [13]

All Class 720 orders as at October 2022 have been delivered in five-car configuration. The units have a length of 122 m (400 ft) and accommodate up to 540 seated passengers in a standard-class seating configuration. As of October 2022, no operator has chosen to configure their Class 720 fleets with first class accommodation. [16]

The interior of Class 720 features a 3+2 seating arrangement. These seats are intentionally cantilevered above the floor to provide greater under-seat space for storing personal luggage as well as to ease cleaning. [17] Furthermore, various amenities are present for the convenience and comfort of the travelling public. Each car benefits from air conditioning throughout, while numerous passenger information systems, displaying passenger loading indicators among other information, are present across each carriage's interior. [14] Every seat is provided with its own seat-back table and power sockets, while on-train Wi-Fi enables online connectivity throughout the journey. Onboard toilet facilities are also present. [14] Akin to trains operated by the London Overground, the Class 720s have through gangways to encourage passengers to spread out across the train. [14] The interior is also fully compliant with the Technical Specification for Interoperability for Persons of Reduced Mobility, featuring dedicated spaces for wheelchairs, as well as spaces for bicycles. One of the two toilets present in a five-car formation is also outfitted for greater accessibility. [13]

In September 2017, Greater Anglia unveiled an early mockup of the interior intended to be fitted to the Class 720 fleet. This was used as part of a consultation that solicited 1,000 responses from members of the public. Numerous changes were subsequently made to the interior. Alterations included the replacement of the originally intended Fainsa seating with softer seating supplied by Kiel, as well as the addition of seat back tables. [14] The units also featured underfloor heating, eliminating the need for the bodyside heaters and thus increasing floorspace for more passengers. [13] This heating arrangement was allegedly the first use amongst any train on the British railway system.[ citation needed ]

History

Greater Anglia

In August 2016, Greater Anglia was awarded the East Anglia franchise with a commitment to replace all of the existing fleet. As part of this, an order was placed with Bombardier for 111 electric multiple units that were members of the recently launched Aventra family. [18] [19] These new trains were designated as the Class 720 and were originally planned to be divided into two sub-classes; 89 five-carriage 720/5 units and 22 ten-carriage 720/1 units. [20] However, during October 2020, Greater Anglia amended its order to convert all 22 ten-car units into a further 44 five-car units, stating that this delivered increased flexibility within the originally-ordered total of 665 vehicles. [21]

The Class 720 is a replacement for a diverse range of units, including the Class 317 and Class 321 units, together with the more modern Class 360 and Class 379 fleets that has been long used on outer-suburban services on the West Anglia and Great Eastern Main Lines. [20] The Class 720s are constructed at Bombardier's Derby Litchurch Lane Works. [22] The order has been financed by the rolling stock company Angel Trains. [23] [24] The introduction of the fleet has been accompanied by a roughly £300 million investment in new and refurbished infrastructure, affecting depots, sidings, and stations, to best accommodate the new trains. [13]

c2c

Class 720 c2c being tested at Crewe 720606 5Q93.jpg
Class 720 c2c being tested at Crewe

In December 2017, c2c announced it had reached an agreement with rolling stock financiers Porterbrook and manufacturer Bombardier to procure 60 vehicles of the latter's Aventra family—formed into six 10-car trains—with the intention that they would enter service in 2021. [25] The order was subsequently amended to comprise twelve 5-car trains. [26] These will be numbered in subclass 720/6, following an earlier expectation that they would be designated Class 711. [27] [28] [29]

Operation

Greater Anglia

Production of the first unit for Greater Anglia began in February 2018 and was completed in September 2018. [30] [31]

Early on, it had been intended for the type to enter service during 2019, but the fleet's introduction had to postponed into the following year due to software issues with the onboard Train Control Management System (TCMS). [13] [32] Testing of the first unit commenced on 17 March 2020, on the London Liverpool Street to Southend line. [33]

Both the testing and production programmes were impacted by the COVID-19 pandemic that took hold during 2020. On 8 June 2020, operational use of the Class 720 was formally authorised by the Office of Rail and Road (ORR). [13]

On 26 November 2020, the first two units started passenger service on the London Liverpool Street to Southend line. [34]

On 16 December 2020, they started service on the Braintree branch, [35] and on 23 December 2020, the Class 720s were rolled out on Southminster services. [36]

In February 2021, it was reported that driver training had begun for their introduction to the Cambridge route. [37] That same month, Ian McConnell, Greater Anglia's franchise and programmes director, noted that the Class 720 was already running relatively well and free of any meaningful technical issues, with challenges with the onboard software issues being the chief concern with the type's deployment at that point. [13]

According to railway industry periodical Rail Engineer, Greater Anglia intend to gradually extend the new fleet's usage to eventually cover all of the Great Eastern routes in Essex and through to Ipswich during the first half of 2021, while the Class 720 would be introduced to the west Anglia route between Liverpool Street and Cambridge in the second half of the year. [13]

On 23 March 2021, the 720s were introduced on the Liverpool Street to Clacton, Colchester Town and Ipswich services. [38]

On 25 August 2021, Class 720s entered service on the West Anglia mainline and Hertford East branch. [39] On 13 September 2021, the 720s started services to Harwich Town and Walton-on-the-Naze. [40]

c2c

In December 2017, c2c announced an order with Porterbrook for six ten-car Class 720/6 Aventra electric multiple units. The new units are scheduled for delivery between mid and late 2021, meaning they will all be in service three years earlier than the initial planned phased introduction period. [41] The first 720/6 was delivered to c2c on 19 April 2022, and the fleet was due to enter service in 2022. [42] [ non-primary source needed ]

The order was later changed to 12 5-car units. These new units were planned to replace the allocation of six four-car Class 387 units, which c2c was operating on a short-term lease.

On 6 October 2022, the Southend Echo newspaper quoted a c2c spokesperson as saying that "Our 720 class trains are currently undergoing rigorous testing. We will update our customers as soon as we have more information as to when they will be entering passenger service on the c2c route”. [43] In March 2023, c2c's managing director confirmed in an interview that it was planned that the Class 720s would enter service later that year. [44]

On 2 June 2023, it was reported that the new trains would come into passenger service in September. [45] The first c2c 720s duly entered service on 27 September 2023. [15]

Fleet details

The units resemble the Class 345 and Class 710 built for Crossrail and London Overground respectively. However, owing to the services that they operate, the Class 720s have a higher top speed of 100 mph (161 km/h), and have significantly more seats per carriage (and less standing space).

SubclassOperatorQty.Year builtCars per unitUnit nos.
720/1 Greater Anglia 442018–20245720101720144 [46]
720/589720501720589 [46]
720/6 c2c 122022 [47] 720601–720612

Named units

The following units have received special liveries or names.

Greater Anglia Class 720 units with special names or liveries
Unit numberNameNotes
Named trains
Special liveries
720110Celebrating Black History [48]
720506Pride Livery [49]
C2C Class 720 units with special names or liveries
Unit numberNameNotes
Named trains
720601Julian Drury c2c Managing Director 2008-2020 [50]

Related Research Articles

c2c British train operating company

c2c is a British train operating company owned by Trenitalia that operates the Essex Thameside railway contract. It manages 25 stations and its trains call at 28. c2c provides commuter services from its London Fenchurch Street terminus to parts of East London and south Essex along the London, Tilbury and Southend line. At weekends it also operates from London Liverpool Street.

<span class="mw-page-title-main">Stansted Express</span> Direct train service linking London Liverpool Street to London Stansted Airport

The Stansted Express is a direct train service linking London Liverpool Street to London Stansted Airport. It is a sub-brand of Greater Anglia, the current franchise operator of the East Anglia franchise.

<span class="mw-page-title-main">British Rail Class 357</span> Class of electric multiple unit built by Adtranz

The British Rail Class 357Electrostar are alternating current (AC) electric multiple unit passenger trains (EMUs) built by Adtranz at its Derby Litchurch Lane Works, England, in two batches from 1999 to 2002 at a cost of approximately £292 million.

<span class="mw-page-title-main">British Rail Class 360</span> British electric passenger train

The British Rail Class 360 Desiro is an electric multiple unit class that was built by Siemens Transportation Systems between 2002 and 2005. The Class 360 is currently operated by East Midlands Railway and the Global Centre of Rail Excellence.

<span class="mw-page-title-main">British Rail Class 317</span> British electric passenger trains

The British Rail Class 317 is an electric multiple unit (EMU) passenger train constructed by British Rail Engineering Limited in two batches: 48 sets were produced in 1981–82 and 24 sets in 1985–87. They were the first of several classes of British Rail EMU to be based on the all-steel Mark 3 bodyshell, departing from the PEP-aluminium design which had spawned the earlier Class 313 to Class 315, Class 507 and Class 508. The Mark 3 bodyshell was also the basis of Class 318, Class 455 and the diesel Class 150. The Class 317 uses overhead alternating current electrification. All units were withdrawn in July 2022.

<span class="mw-page-title-main">British Rail Mark 3</span> Single-level rail passenger carriage

The British Rail Mark 3 is a type of passenger carriage developed in response to growing competition from airlines and the car in the 1970s. A variant of the Mark 3 became the rolling stock for the High Speed Train (HST).

<span class="mw-page-title-main">British Rail Class 321</span> British electric multiple unit

The British Rail Class 321 is a class of electric multiple unit (EMU) passenger train built by British Rail Engineering Limited's York Carriage Works in three batches between 1988 and 1991 for Network SouthEast and Regional Railways. The class uses alternating current (AC) overhead electrification. The design was successful and led to the development of the similar Class 320 and Class 322.

<span class="mw-page-title-main">Bombardier Electrostar</span> Family of British electric passenger trains

The Bombardier Electrostar is a family of electric multiple-unit (EMU) passenger trains manufactured by Bombardier Transportation at their Derby Litchurch Lane Works in England between 1999 and 2017. It has become the most common new EMU type in the United Kingdom since the privatisation of British Rail with a number of variants. Electrostar trains are most common on high-volume suburban commuter routes around London; and on mainline services from London south to Surrey and the south coast, east to Essex, and north to Cambridge and Stansted Airport.

<span class="mw-page-title-main">British Rail Class 315</span> Class of 61 British 4-car electric multiple units

The British Rail Class 315 BEP is a fleet of alternating current (AC) electric multiple unit (EMU) trains, built by British Rail Engineering Limited at Holgate Road Carriage Works in York between 1980 and 1981; they replaced the Class 306 units. It was a variant of unit derived from British Rail's 1971 prototype suburban EMU design which, as the BREL 1972 family, eventually encompassed 755 vehicles across Classes 313, 314, 315, 507 and 508. Revenue services with Class 315 units commenced in 1980 and continued until December 2022.

<span class="mw-page-title-main">British Rail Class 379</span> Class of British electric multiple unit

The British Rail Class 379 Electrostar is an electric multiple unit (EMU) passenger train which was designed and built by Bombardier Transportation. The trains are part of the company's extensive Electrostar family.

<span class="mw-page-title-main">Alstom Aventra</span> Family of electric passenger trains

The Alstom Aventra is a family of electric multiple unit (EMU) passenger trains produced at Derby Litchurch Lane Works in the United Kingdom, originally by Bombardier Transportation and later by Alstom, as a successor to the Bombardier Electrostar. A large proportion of its design is based on the Electrostar, adding new technologies and achieving compliance with more stringent requirements and operator demands.

<span class="mw-page-title-main">British Rail Class 345</span> British electric passenger train

The British Rail Class 345 Aventra is a fleet of electric multiple unit passenger trains built by Bombardier Transportation for use on London's Elizabeth line. Part of Bombardier's Aventra family of trains, the contract for their delivery was awarded as part of the Crossrail project in February 2014. A total of 70 nine-car units – each able to carry 1,500 passengers – were constructed in Derby between 2015 and 2019, at a cost of over £1 billion. The first unit entered service on 22 June 2017.

<span class="mw-page-title-main">Greater Anglia</span> British train operating company owned by Abellio

Greater Anglia is a British train operating company owned as a joint venture by Transport UK Group and Mitsui & Co. It operates the East Anglia franchise, providing the commuter and intercity services from its Central London terminus at London Liverpool Street to Essex, Suffolk, Norfolk and parts of Hertfordshire and Cambridgeshire as well as many regional services throughout the East of England.

<span class="mw-page-title-main">British Rail Class 387</span> Class of British Electrostar electric multiple units

The British Rail Class 387 Electrostar is a type of electric multiple unit passenger train built by Bombardier Transportation. They are part of the Electrostar family of trains. A total of 107 units were built, with the first train entering service with Thameslink in December 2014. The trains are currently in service with Great Western Railway, Govia Thameslink Railway, and Heathrow Express. The Class 387 is a variation of the Class 379 with dual-voltage capability which allows units to run on 750 V DC third rail, as well as use 25 kV AC OLE. The class were the final rolling stock orders from the Bombardier Electrostar family with 2,805 vehicles built over 18 years between 1999 and 2017.

<span class="mw-page-title-main">East Anglia franchise</span> British passenger railway franchise

The East Anglia franchise is a railway franchise for passenger trains on the Great Eastern Main Line and West Anglia Main Lines in England. It commenced operating in April 2004 when the Anglia and Great Eastern franchises, together with the West Anglia part of the West Anglia Great Northern franchise, were combined to form the Greater Anglia franchise.

<span class="mw-page-title-main">British Rail Class 710</span> Electric multiple unit built for London Overground by Bombardier Transportation

The British Rail Class 710 Aventra is a class of electric multiple unit passenger trains built by Bombardier Transportation for use on the London Overground network. The trains are part of Bombardier's Aventra family. The contract to provide 45 four-car trains was awarded in July 2015 and the trains were originally due to enter service in May 2018, although introduction was delayed until May 2019.

<span class="mw-page-title-main">Ilford Depot</span> Railway maintenance depot in Ilford, Greater London

Ilford Depot is a traction maintenance depot located in Ilford, Greater London, England. The site is used for train stabling and maintenance by Greater Anglia, Elizabeth line, London Overground and Alstom.

<span class="mw-page-title-main">British Rail Class 745</span> Electric multiple unit train

The British Rail Class 745 FLIRT is a class of electric multiple unit passenger train, built by Stadler as part of the FLIRT family. The class is built for Greater Anglia for use on their inter-city services and the Stansted Express services. They first entered service on 8 January 2020, after being constructed between 2018 and 2020 in Switzerland.

<span class="mw-page-title-main">British Rail Class 701</span> British electric passenger train

The British Rail Class 701 Aventra is a class of electric multiple unit passenger train built by Bombardier Transportation at Derby Litchurch Lane Works. Built on the Aventra platform, they are branded as Arterio trains by SWR, and operate some services between Waterloo and Windsor. In the future the trains are planned to operate services on the Reading, Windsor and South West London suburban lines.

<span class="mw-page-title-main">British Rail Class 730</span> British EMU from the Bombardier Aventra family

The British Rail Class 730 Aventra is a type of electric multiple unit passenger train built by Alstom for West Midlands Trains. Two separate batches of the fleet were built; 48 three-car units and 36 five-car units.

References

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