Alstom Movia R151

The Alstom Movia R151 is the upcoming seventh generation electric multiple unit rolling stock to be introduced on the existing North–South and East–West lines of Singapore's Mass Rapid Transit (MRT) system, manufactured by Changchun Alstom Railway Vehicles (joint venture of Alstom [formerly Bombardier Transportation] and CRRC Changchun, formerly Changchun Bombardier Railway Vehicles) under Contract R151 as part of their Movia family of trains. The new rolling stock will replace all of the C151s, C651s and C751Bs, which have been in service for at least 20 years. These new trains are part of the North–South and East–West lines' core systems upgrade and renewal programme.

Alstom Movia R151
Alstom MOVIA R151 testing at Aljunied (EW9)
In service2023 (expected)[1]
ManufacturerChangchun Alstom Railway Vehicles (Alstom [formerly Bombardier Transportation] and CRRC Changchun, formerly Changchun Bombardier Railway Vehicles)
Built atChangchun, China[2]
Family nameMovia[3]
Replaced
Constructed2020–
Entered serviceQ3 2023 (expected)
Number built636 vehicles (106 trainsets)
Formation6 per trainset
Capacity1920 passengers
Operator(s)SMRT Trains (SMRT Corporation)
Line(s) served
Specifications
Car body constructionAluminium-alloy construction
Train length138.86 m (455 ft 6+7⁄8 in)
Car length
  • 23.83 m (78 ft 2 in) (DT)
  • 22.8 m (74 ft 10 in) (M)
Width3.2 m (10 ft 6 in)
Height3.7 m (12 ft 1+5⁄8 in)
Doors1,450 mm (57+1⁄8 in), 4 sets per side of car
Maximum speed
  • 90 km/h (56 mph) (design)
  • 80 km/h (50 mph) (service)
Traction systemAlstom MITrac TC1500 SiC–VVVF
Acceleration1 m/s2 (3.3 ft/s2)
Deceleration
  • 1.2 m/s2 (3.9 ft/s2) (service)
  • 1.3 m/s2 (4.3 ft/s2) (emergency)
Electric system(s)750 V DC third rail
Current collector(s)Collector shoe
Safety system(s)Thales SelTrac® moving block CBTC ATC under ATO GoA 3 (DTO), with subsystems of ATP, NetTrac ATS and CBI[4][5]
Coupling systemDellner
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

106 six-car high-capacity trainsets comprising 636 cars will be delivered from 2022 onwards, entering service from 2023. The design of the trains will be completed in Germany, in coordination with Alstom's Singapore team. The trains will be manufactured in Alstom's Changchun facility in China.

With Alstom's agreement to acquire Bombardier's rail business in February 2021,[6] it is not known as to whether there will be any changes in specifications to the R151 trains.

Overview

In October 2016, the Land Transport Authority (LTA) announced plans to replace the first-generation rolling stock on the North–South and East–West lines[7][8] as part of an asset renewal programme for the two lines. The LTA awarded the contract for the replacement of the first-generation trains to Bombardier Transportation in July 2018, which comprised the provision of 66 new trains, and their maintenance and technical support.[2]

On 1 April 2019, Bombardier Transportation and the LTA launched a mockup of the interior of the R151 at the SG Mobility Gallery at LTA's office at Hampshire Road.[9]

In September 2020, the LTA ordered an additional 40 R151 trains at a cost of S$337.8 million, to replace all 19 second-generation C651 trains, and all 21 third-generation C751B trains, which had been in service for more than 20 years. These trains, and the ones ordered in 2018, were to be assembled by Bombardier in Changchun.[10]

The first two trains arrived in Singapore on 21 February 2022, and the remaining trains will progressively be delivered. The trains will then undergo testing and commissioning works before entering passenger service in mid 2023.[11][12]

Tender

The tender for trains under the contract R151 was closed on 4 September 2017 with 5 bids. The LTA had shortlisted all of them and the tender results were published.[13]

S/N Name of tenderer Amount ($S) Option 9 (Long Term Service Support)[14]
1 Alstom Transport S.A. / Alstom Transport (S) Pte Ltd Consortium 682,696,431.00 S$626,697,233.00
2 Bombardier (Singapore) Pte Ltd 827,075,921.00 S$269,652,420.94+EUR75,135,67 3.16+GBP2,670,699.27
3 Construcciones y Auxiliar de Ferrocarriles, S.A. 867,275,662.00 S$307,320,742
4 Hyundai Rotem Company 696,960,000.00 S$517,973,000.00
5 Kawasaki Heavy Industries, Ltd. / Kawasaki Heavy Industries(Singapore) Pte Ltd & CRRC Qingdao Sifang Consortium / Singapore CRRC Sifang Railway Vehicles Service Pte. Ltd. Consortium 941,906,324.00 S$1,111,653,342

Train formation

The configuration of a R151 in revenue service is DT–M1–M2+M2–M1–DT

Cars of R151
Car Type Driver Cab Motor Collector Shoe Car Length Wheelchair Space
m ft in
DT✓✗✓ 23.83 78 ft 2.2 in✗
M1✗✓✓ 22.8 74 ft 9.6 in✗
M2✗✓✓ 22.8 74 ft 9.6 in✓


Design and features

It will feature a new livery of green and red stripes against a black and white background running around the cars, similar to the C151C. The trains also include several unique features, such as condition monitoring sensors and analytic systems to detect faults beforehand as well as an onboard self-test system that checks whether the train is fit for operation. In addition, four trains will have an automatic track inspection system, consisting of cameras, lasers and sensors, to detect rail defects.[2]

Furthermore, the trains would also have wider areas near the doors to aid the movement of passengers in and out of the train, and tip-up seats that cater to parents with prams, wheelchair users and people with personal mobility devices or foldable bicycles without reducing seat count.[15][2]

References
  1. Li Jingyi (31 October 2022). "North South and East West line renewal works are going smoothly, New MRT trains to be put into service next year". Lianhe Zaobao (in Chinese). Archived from the original on 26 November 2022. Retrieved 31 October 2022.
  2. Tan, Christopher (26 July 2018). "North-South and East-West lines to get 66 new trains". The Straits Times. Archived from the original on 26 July 2018. Retrieved 26 July 2018.
  3. "Bombardier Wins Contract to Provide 396 MOVIA Metro Cars for Singapore's North-South and East-West Lines". Bombardier. 26 July 2018. Archived from the original on 26 July 2018. Retrieved 26 July 2018.
  4. "THALES Urban Rail Signalling Singapore – North-South / East-West Lines" (PDF). Archived (PDF) from the original on 15 June 2020. Retrieved 16 June 2020.
  5. Fang, Joy (2 February 2012). "Coming: $600m upgrade for MRT system/New train measures a 'catch-up'". My Paper. pp. A2, A6. Archived from the original on 18 May 2015. Retrieved 13 May 2015.
  6. "Alstom signs agreement to acquire Bombardier Transportation". Urban Transport News. 17 February 2020. Archived from the original on 19 February 2020. Retrieved 19 February 2020.
  7. "The Rail Report: New Signalling System, Rail Line and Tuas West Extension Opening Next Year". Archived from the original on 26 October 2016. Retrieved 26 October 2016.
  8. Lim, Adrian. "Launch of upgraded signalling system on North-South Line delayed". Archived from the original on 28 October 2016. Retrieved 28 October 2016.
  9. "Virtual experience lets you pick a colour for your train". The Straits Times. Archived from the original on 1 April 2019. Retrieved 1 April 2019.
  10. Abdullah, Ahmad Zaki (28 September 2020). "40 ageing trains on North-South, East-West MRT lines to be replaced". Channel NewsAsia. Archived from the original on 28 September 2020. Retrieved 28 September 2020.
  11. Kok, Yufeng (21 February 2022). "New trains for North-South, East-West lines arrive in Singapore". The Straits Times. Archived from the original on 21 February 2022. Retrieved 21 February 2022.
  12. "New trains for North-South and East-West MRT lines arrive in Singapore". CNA. 21 February 2022. Archived from the original on 22 February 2022. Retrieved 22 February 2022.
  13. "Tender Details R151". Archived from the original on 25 July 2018. Retrieved 25 July 2018.
  14. "Tender information | Land Transport Authority". www.lta.gov.sg. Archived from the original on 1 August 2018. Retrieved 1 August 2018.
  15. "New fleet to replace 66 oldest MRT trains from 2021". Channel NewsAsia. Archived from the original on 25 July 2018. Retrieved 25 July 2018.
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