British Rail Class 315
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British Rail Class 315 | |
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315817 at London Liverpool Street in 2015
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315817 with London Overground branded interior, in 2015
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In service | 1980 - present |
Manufacturer | BREL York |
Family name | BREL 1972 "PEP" |
Constructed | 1980 - 1981 |
Refurbishment | All 61 sets 2004 - 2008[1] Bombardier Derby |
Number built | 61 sets |
Formation | 4 cars per trainset |
Fleet numbers | 315801 - 315861 |
Capacity | 318 seats |
Operator(s) | London Overground TfL Rail |
Specifications | |
Car length | 19.80 m (65 ft 0 in) |
Width | 2.82 m (9 ft 3 in) |
Height | 3.58 m (11 ft 9 in) |
Maximum speed | 75 mph (121 km/h) |
Weight | 127.5 tonnes (125.5 long tons; 140.5 short tons) |
Power output | Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). |
Electric system(s) | 25 kV AC Overhead |
Track gauge | 1,435 mm (4 ft 8 1⁄2 in) standard gauge |
British Rail Class 315 alternating current (AC) electric multiple units (EMU) were built by BREL York works from 1980 to 1981. They were the fifth and final variety of British Rail's then-standard 1972 design for suburban EMUs, which eventually encompassed 755 vehicles and five Classes (Class 313/314/315/507/508). Like the Glasgow-based Class 314 units, they are only able to operate from the 25 kV overhead line.
The fleet works inner-suburban TfL-run services on the Shenfield Metro for TfL Rail and the Lea Valley Lines for London Overground out of London Liverpool Street.
Contents
Description
Each Class 315 unit is formed of four vehicles, some vehicles are attached to another set of four vehicles to make 8 vehicles. In the past, some further vehicles attached to another four to make 12 vehicles on long distance journeys, such as ones to Southend Victoria or Southminster (operated by Greater Anglia). The vehicles include: Driving Motor Standard Open (DMSO), Pantograph Trailer Standard Open (PTSO), Trailer Standard Open (TSO), and Driving Motor Standard Open (DMSO). Each DMSO carries four traction motors (315801-841 originally had Brush TM61-53 and 315842-861 had GEC G310AZ but these motors are interchangeable and nowadays any type can be found on any unit) rated at 110hp each and a main compressor and air reservoir which carries air for the brakes and suspension. The door system which was pneumatic has been replaced by an all electric door system. The PTSO carries the main and auxiliary transformers, batteries and battery charger, Stone Faiveley AMBR Mk.1 pantograph, vacuum circuit breaker and auxiliary compressor. The TSO carries no equipment other than that which is standard to all coaches.
The coaches only contain standard seating and have no toilet facilities. Car numbering is as follows:
- 64461-64582 - DMSO
- 71281-71341 - PTSO
- 71389-71449 - TSO
Each 4-car set is able to seat 318 passengers.
A refurbishment programme commenced from mid-2004, when National Express East Anglia (then 'one' Railway) contracted Bombardier to carry out the refurbishment of all 61 units, starting with the ex-First Great Eastern examples. The low-back 3+2 seating is retained, so the capacity stays the same.[2]
The Class 315 units replaced the life-expired Class 306 units. They will be displaced from Shenfield Metro work as part of Crossrail, and from Lea Valley services after they are taken over by London Overground.
Historic operations
Following the privatisation of British Rail, the Class 315s were divided between First Great Eastern (43 units) and West Anglia Great Northern (18 units). The leasing company HSBC Rail has owned the entire Class 315 fleet since privatisation, though it has since been renamed Eversholt Rail Group.[3]
From April 2004, National Express East Anglia (NXEA) ran the inaugural Greater Anglia rail franchise, which combined the previous operations of both First Great Eastern and WAGN, meaning the two Class 315 fleets were combined. The franchise was initially known as 'One' but was rebranded National Express East Anglia (NXEA) in February 2008.[4] They are replacing the old livery on six of these trains and refreshed the interiors to include a Passenger Information System and a flexible space for wheelchairs and cycles, new toliets and first class.[citation needed]
Until 31 May 2015, the operator of the 315s was Abellio Greater Anglia, which replaced National Express from February 2012.
Current operations
The current operators are London Overground, who use sets 315801 - 315817 on West Anglia inner services and Romford to Upminster services. They are also operated by London Overground's sister company, TfL Rail, who use sets 315818 - 315861 on Shenfield metro services.
Services
The Class 315s operate local services out of London Liverpool Street to Shenfield (the popular Shenfield Metro service) on the Great Eastern Main Line and Cheshunt, Enfield Town and Chingford on the Lea Valley Lines. They are also seen on the Upminster Branch Line between Romford and Upminster, a duty shared with Class 317s.
However, until the end of operation by Abellio Greater Anglia, a number of them were found running further afield, running on the Great Eastern and West Anglia Main Lines at peak times only to Bishop's Stortford, Broxbourne, Southminster and Southend Victoria. They also cover for unavailable Class 360s, Class 321s or Class 90s on these services as often 315s are the only spare trains available. During National Express' operation of the franchise, it was rare for 315s to run beyond Shenfield, but since Abellio began running the railway, the practice has become more common. These units only run to Cambridge, Ely, King's Lynn, Stansted Airport, Braintree, Colchester, Clacton-on-Sea, Walton-on-the-Naze, Harwich Town and Ipswich when the normal units used on these services are not available.
Initially, the Shenfield Metro and Upminster Branch Line services used only sets 315801-843 and the Lea Valley Lines only 315844-861, reflecting the allocations of the former franchises. All 61 sets were then used interchangeably, operating out of Ilford depot.
Future
In July 2015 TfL announced that it would place a £260m order for 45 Bombardier Aventra EMU Class 710 trains, which would replace the London Overground's 315s. The 710s will be introduced on the West Anglia Routes, taken over from Abellio Greater Anglia in May 2015, in 2018.[5]
Additionally, the TfL Rail's 315s will be taken over by new Class 345 Aventra trains in 2017-2018 and it has been suggested that these 315s could be cascaded to the Wales and Borders passenger franchise to be used on Valley Lines services in the Cardiff area following electrification.[6][7]
Naming
Six Class 315 sets have now been named:
- 315812 - London Borough of Newham Host Borough 2012 Olympics Bid (denamed)
- 315817 - Transport for London
- 315829 - London Borough of Havering - Celebrating 40 Years
- 315845 - Herbie Woodward
- 315857 - Stratford Connections (denamed)
Gallery
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19870823-LiverpoolStreet-Class315-F.jpg
315808 in British Rail livery with the addition of the Network SouthEast logo, at Liverpool Street in 1987
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315850 at Emerson Park in 1991
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West Anglia Great Northern liveried 315857 at Cheshunt in 2004, in a non-standard livery promoting Hertfordshire transport partnership Intalink
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Unit 315857 at White Hart Lane.JPG
315857 at White Hart Lane in 2008
Fleet details
Class | Operator | No. Built | Year Built | Cars per Set | Unit nos. |
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Class 315 | London Overground | 17 | 1980–1 | 4 | 315801–315817 |
TfL Rail | 44 | 315818–315861 |
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ National Express invests in upgrade of class 315 fleet - National Express East Anglia. Retrieved 15 July 2011.
- ↑ Class 315 Electric Multiple Unit - Eversholt Rail Group. Retrieved 24 December 2013.
- ↑ New brand, new name, new era - National Express Group. Retrieved 14 September 2014.
- ↑ Rail Magazine, Issue 778, Page 14
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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