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Hitachi small-type monorail (Sentosa Express)

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Hitachi small-type monorail
Two SDC Hitachi monorails outside VivoCity
Interior of the Sentosa Express Hitachi monorail
In service2007–present
ManufacturerHitachi Rail
Built atKudamatsu, Japan
Family nameHitachi Monorail
ReplacedSentosa Monorail
Constructed2005–2009, 2017
Entered service15 January 2007 (2007-01-15)
Number built14 (7 train sets)
Number in service14 (7 train sets)
Formation2 cars per trainset
Mc1–Tc2
Capacity32 seated; 152 standing
OperatorsSentosa Development Corporation
DepotsBeach Station Depot
Lines servedSentosa Express
Specifications
Car body constructionWelded aluminium
Train length25 m (82 ft 1⁄4 in)
Car length13 m (42 ft 7+13⁄16 in) (Mc1)
12 m (39 ft 4+7⁄16 in) (Tc2)
Width2.7 m (8 ft 10+5⁄16 in)
Height2 m (6 ft 6+3⁄4 in)
Doors2 per car
Maximum speed80 km/h (50 mph) (design)
50 km/h (31 mph) (service)
Traction systemHitachi IGBT–VVVF
Electric system(s)750 V DC third rail
Current collector(s)Collector shoe
UIC classificationBo'Bo'+2'2'
Safety system(s)Original: Fixed block Hitachi digital ATP/ATS for GoA 1
Current: Moving block Hitachi wireless CBTC ATC under ATO GoA 3 (DTO), with subsystems of ATP, ATS and CBI
Coupling systemShibata rotary
Track gaugeStraddle-beam

The Hitachi small-type monorail is a straddle-type monorail built by Hitachi Rail for the use on the Sentosa Express. These trains are part of Hitachi Monorail line of ALWEG-based monorail. The trains were part of a project to replace Sentosa's previous aging monorail system. The trains are fully air-conditioned.

Design

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Each train set has its own exterior colour scheme – green, orange, blue, purple, pink, yellow and red. All trains are for passenger service, except for the maintenance train.

The interior of the trains consist of colours green and orange. These cars have foldable seats that can make room for more standing space during periods of high usage. Passenger Information Display Systems in the form of LED Displays are installed above each door in all passenger service trains to supply route information. Each car has two wheelchair bays.

Operations and safety systems

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Trains and platform screen doors were previously manually operated by train attendants; the trains utilised digital automatic train protection (ATP) to ensure trains keep a safe distance between each other and automatic train supervision (ATS) to provide the route setting for the train to travel.

With the upgrading to the wireless communications-based train control (CBTC) system in 2017, trains and platform screen doors are now operated automatically.

Trains cruise at 15 to 50 km/h (9.3 to 31.1 mph) but is designed to speed up to 80 km/h (50 mph).

Refurbishment and upgrades

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The Vacuum Fluorescent Display (VFD) has been changed to a newer updated LED Displays with route information.

A signalling system upgrade was also upgraded to Communications-Based Train Control (CBTC). With the change in Signalling System, it allowed more trains to run on the network.[1]

See also

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References

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  1. ^ "Hitachi secures contract to upgrade the Sentosa Express with its internationally-certified Wireless Signaling System (CBTC) and an additional train" (PDF). Hitachi. 19 November 2014. Archived (PDF) from the original on 7 November 2021. Retrieved 7 November 2021.
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