Alstom Movia R151
| Company type | Joint venture |
|---|---|
| Industry | Rail transport manufacturing |
| Founder | Alstom and CRRC Changchun |
| Headquarters | Changchun , China |
| Products | Electric multiple units (EMUs) |
Alstom Movia R151
The Alstom Movia R151 represents the seventh generation of electric multiple units (EMUs) operating on Singapore's North–South (NSL) and East–West (EWL) Mass Rapid Transit lines. Produced by Changchun Alstom Railway Vehicles, a collaboration between Alstom and CRRC Changchun, the R151 belongs to the Movia series under Contract R151.
This model was developed to replace older train fleets such as the Kawasaki Heavy Industries C151, Siemens C651, and Kawasaki–Nippon Sharyo C751B trains, each having served for more than 25 years. The R151 plays a crucial role in the comprehensive modernization and renewal of the core infrastructure on the NSL and EWL. Since February 2022, a total of 106 six-car trainsets (636 cars) have been delivered, with the inaugural service commencing on the East–West Line on 4 June 2023.
Overview
In October 2016, the Land Transport Authority (LTA) revealed plans to replace the first-generation rolling stock on the North–South and East–West lines as part of an asset renewal initiative. In July 2018, Bombardier Transportation secured the contract to supply 66 new trains along with maintenance and technical assistance, aimed at substituting the over three-decade-old C151 fleet.
On 1 April 2019, Bombardier and LTA showcased a full-scale mockup of the R151’s interior at the SG Mobility Gallery.
Subsequently, in September 2020, LTA placed an order for an additional 40 R151 trainsets valued at S$337.8 million. This procurement was intended to replace all 19 second-generation C651 and 21 third-generation C751B trains, each exceeding 20 years in service. Assembly of all units is conducted by Bombardier in Changchun.
The first pair of trains arrived in Singapore on 21 February 2022, with subsequent deliveries occurring progressively. Following thorough testing and commissioning phases, passenger operations began on 4 June 2023.
Tender
The bidding process for Contract R151 concluded on 4 September 2017, attracting five shortlisted contenders selected by the LTA. The tender outcomes were as follows:
| S/N | Tenderer | Amount (S$) | Option 9 (Long Term Service Support) |
|---|---|---|---|
| 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 | SGD 269,652,420.94 + EUR 75,135,673.16 + GBP 2,670,699.27 |
| 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 |
Design and features
The exterior design of the R151 trains showcases a fresh livery featuring green and red stripes set against a black and white backdrop, reminiscent of the C151C. The interior adopts styling cues from the C951, including matte wall finishes and strategically positioned overhead lighting.
Among notable technical advancements is an onboard self-diagnostic system that assesses train readiness prior to operation. Additionally, four trainsets are fitted with an automatic Rail inspection system utilizing cameras, lasers, and sensors for early detection of rail defects.[1] The entire fleet will be equipped with condition monitoring sensors combined with analytics to facilitate early fault identification and enable predictive maintenance strategies.[2]
The interior layout has been optimized with wider doorways to enhance passenger movement efficiency. Initial design concepts included tip-up seats aimed at increasing capacity while accommodating strollers, wheelchairs, and foldable bicycles without sacrificing seat numbers.[3][1] However, these tip-up seats were ultimately replaced by perch seats in the final configuration to provide additional cabin space.[4]
Train composition
The operational arrangement of an R151 trainset for revenue service follows the sequence DT–M1–M2+M2–M1–DT, where "D" stands for "driver's cab," "M" denotes "motor," and "T" refers to "trailer."
| Car Classification | Driver's Cab | Traction Motor | Collector Shoe | Car Length | Wheelchair Accessible Bay | |
|---|---|---|---|---|---|---|
| meters | feet & inches | |||||
| DT | Template:Ya | Template:Na | Template:Ya | 23.83 | 78 ft 2.2 in | Template:Na |
| M1 | Template:Na | Template:Ya | Template:Ya | 22.8 | 74 ft 9.6 in | Template:Na |
| M2 | Template:Na | Template:Ya | Template:Ya | 22.8 | 74 ft 9.6 in | Template:Ya |
Car numbers range between 1x801 and 2x012, with the second digit identifying the car type (3 designates DT, 1 denotes M1, and 2 indicates M2). Each individual car receives a unique five-digit serial number assigned by the operator SMRT Trains. A six-car trainset is formed by permanently coupling two identical groups, each consisting of one driving trailer and two motor cars. For instance, trainset 1801/1802 comprises cars numbered 13801, 11802, 12801, 12802, 11802, and 13802.
- The initial digit is consistently 1.
- The third digit is fixed as 8.
- The final two digits correspond to the train's identification number; a complete six-car set includes two such identifiers (for example, 1801/1802 or a cross-coupled combination like 1801/1812).
- Production of sets from 1801/1802 through 2011/2012 was carried out by Alstom and CRRC Changchun Railway Vehicles.
- ↑ 1.0 1.1 Cite error: Invalid
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