Sydney Trains T set

Last updated

T set
2020-04-08 Tanraga train T45 at Heathcote railway station, Sydney (cropped).jpg
T45 arriving at Heathcote station
2020-04-08 Lower deck of Tangara train carriage.jpg
Refurbished interior
In service1988–present
Manufacturer A Goninan & Co
Built at Broadmeadow
Constructed1987–1997
Entered service12 April 1988
Refurbished2003, 2010, 2014, 2021
Number built455 carriages
Number in service447 carriages
Number scrapped8 carriages
Formation4-car sets
Capacity98 in driving trailers, 112 in motor cars
Operators Sydney Trains
Depots
Lines served
Specifications
Train length81.08 m (266 ft 0 in) [lower-alpha 1]
Car length
  • 20,320 mm (66 ft 8 in) (D) [lower-alpha 2]
  • 20,220 mm (66 ft 4 in) (N)
Width3 m (9 ft 10+1⁄8 in)
Height4,413 mm (14 ft 5+3⁄4 in)
DoorsPneumatic Plug-style, twin leaf
Wheel diameter940 mm (37 in)
Maximum speed
  • 130 km/h (81 mph) (design)
  • 115 km/h (71 mph) (service)
Weight
Traction system Mitsubishi GTO–4-quadrant chopper control
Traction motors 8 × Mitsubishi MB-3303-B 170 kW (228 hp) 2-phase DC shunt-wound motor
Power output1,360 kW (1,824 hp)
Transmission4.94:1 (79/16) gear ratio
Auxiliaries Toshiba
Electric system(s) 1,500 V DC (nominal) from overhead catenary
Current collector(s) Pantograph
UIC classification 2′2′+Bo′Bo′+Bo′Bo′+2′2′
Bogies Nippon Sharyo bolsterless
Coupling system Scharfenberg coupler
Track gauge 1,435 mm (4 ft 8+1⁄2 in) standard gauge

The T sets, also referred to as the Tangara trains, are a class of electric multiple units that currently operate on the Sydney Trains network. Built by A Goninan & Co, the sets entered service between 1988 and 1995, initially under the State Rail Authority and later on CityRail. The T sets were built as "third-generation" trains for Sydney's rail fleet, coinciding with the final withdrawals of the "Red Rattler" sets from service in the late 1980s and early 1990s. [4] The Tangaras were initially built as two classes; the long-distance G sets and the suburban T sets, before being merged after successive refurbishments. [5]

Contents

Design

Vestibule, January 2008 Tangara T Set Vestibule.jpg
Vestibule, January 2008

The Tangara is a double-deck four-car set, with the two outer cars being driving control trailers (carrying a D prefix) that are fitted with one pantograph each and the middle two cars being non-control motor cars (carrying an N prefix). All sets are equipped with chopper control.

Unlike most other Sydney Trains rolling stock, the seats on the suburban T sets are fixed, meaning that half the seats face backwards. Former G sets, however, do have reversible seats.

History

Initial delivery

In July 1986, the Government of New South Wales awarded A Goninan & Co a contract for 450 carriages. [6] In 1993, it was decided that the last 80 carriages of the order would be built to a modified design to operate peak-hour services to Wyong, Port Kembla and Dapto. [7] In 1996, five spare driving trailers were ordered. [8]

The Tangara name is of Aboriginal origin, meaning to go. [9]

Two subclasses of Tangara were built, the suburban sets targeted as T sets, and outer-suburban sets originally targeted as G sets. The T sets replaced the first generation of Sydney's electric rolling stock. [5]

The G sets differed from the T sets in originally having manual door buttons, high-backed reversible seats, toilets, fresh water dispensers and luggage racks. Additionally, the G sets were delivered with a revised design at the front and rear of the train, notably an angular cutout in the bottom of their noses. Additionally, the pinstriped grey panels below the cab windows were replaced with light orange panels for improved visibility. All T sets have a number plate below a hundred while all G sets are numbered at or above

T90 (Tangara) at Central Station, Sydney.jpg
T sets
Cityrail-Tangara-G6-ext.jpg
G sets
Original liveries

The first train (set T20) was unveiled at Sydney Central in December 1987, heavily promoted as the "train of the 21st century", [10] operating a promotional service on 28 January 1988 targeted as TAN1, and entering regular service on 12 April 1988. [11] The final T set (set T59, formerly T92) was delivered in February 1994 and the final G set (set T100, formerly G32) in October 1995. [12]

The cars built were:

Set G7 was fitted with an AC drive system for evaluation purposes with the existing DC stock and compatibility with signalling and communication systems on the network. G7 was scrapped in 2005 at Maintrain, Auburn after the Waterfall rail accident, as all four cars were beyond repair.

Upgrades in the early 2000s


T set original seating.JPG
Original interior, November 2010
CityRail-Tangara-int-upper.jpg
First refurbishment, August 2007

When first introduced, the T sets were fitted with passenger door release handles to prevent loss of air conditioning at stations. These were later disconnected (and later removed) due to passengers not getting used to opening the doors for themselves when needed. The seats originally had fabric upholstery, but this was gradually replaced by blue vinyl.

In the early 2000s, all Tangaras were updated with a new CityRail corporate appearance. This involved painting the passenger doors and much of the front and rear ends of the trains yellow. Blue and yellow stripes along the bottom of the carriages were replaced by a single yellow stripe and updated CityRail logos were placed on the driving cars.

In late 2005, 15 V set carriages were suddenly withdrawn due to the discovery of corrosion in their underframes. G sets began to operate more off-peak Intercity services to Port Kembla, Kiama, and Wyong to cover for the withdrawn V sets. H sets started entering service in December 2006. The newer trains feature a very similar level of passenger amenity to the G sets and can be seen as a continuation of the design. Their introduction lead to a change in the role of the G sets. From 2007, the G sets were progressively redeployed to suburban services, providing extra capacity on high-demand existing services such as on the Western line and allowing new services to be introduced. By 2008, G sets were often used on peak suburban services that extended into intercity areas, such as services to Springwood (via the Western line).

Conversion of G sets to T sets

A converted G set, March 2021 Ex G-Set Tangara T101 at Westmead (2).jpg
A converted G set, March 2021

In 2009, the conversion of G sets to T sets began, to improve their suitability for suburban working as H sets took over their outer suburban duties. Conversion work consisted of the removal of toilets and their replacement with additional seating. Other work included the installation of new handrails and hangers and the recoding of cars and sets. The carriage numbers were kept, however the O (outer suburban) prefix was dropped. OD became D, while ONL and ON became N. The set numbers were reclassified from G1-30 to T100-130. G4 was the first to be converted (into T104). In 2010, sets being converted started receiving a full interior refurbishment as part of the program to refurbish all the Tangara carriages. In 2018, sets T14 and T121 (ex G21) both became mixtures of T set and ex-G set carriages, with both sets swapping two carriages with each other.

Upgrades in the 2010s

Refurbished Tangara upper deck.JPG
T sets
Ex G set refurb upper deck.JPG
Ex-G sets
Second refurbishment

In 2010, a refresh of the Tangaras commenced with the interiors repainted, and new seat moquette and handrails fitted. [13] [14]

In July 2013, Sydney Trains trialled rearranging the seating on the upper and lower decks of two carriages. There were 16 fewer seats per carriage; 3x2 seats were replaced by 2x2 seats in one carriage (N5134 on set T78) while in the other carriage (N5131 on set T77) there are double seats on one side and a bench style seating on the other. Both carriages were later returned to the normal 3x2 arrangement. [15]

In 2014, phase one of a technology upgrade program, aiming to improve reliability and upgrade ageing components, was underway. [16] A contract for phase two of the program, aiming to extend the life of these trains and bring technology into line with newer trains was awarded to UGL Limited in August 2015. This was expected to be completed by July 2018. [17] [18] The expected completion date was revised to 2019, however as of February 2023 only 2 sets have entered service with the second phase upgrades. [19]

The first phase of the program involved upgrading the passenger doors to cut down on vandalism, as the steel panels on the original doors were prone to being kicked out by vandals. [20] The door kicking incidents often led to unnecessary delays as the guard had to lock off the affected carriage. The new lightweight passenger doors have a similar design to the doors on the M sets. This phase of the project was completed at the end of July 2016. The first set to receive the new doors was T96, in October 2014.

The second phase of the program was initially set to include destination indicators and digital voice announcements, which were installed in T72 and T106, were not installed in other sets due to delays and issues with the DVA system. The upgrade still went ahead however, with vestibules given modifications including marked priority seating and Automatic Train Protection (ATP). The first sets with this revised phase 2 upgrade, T52 and T73, re-entered service on 12 November 2021. As of 26 February 2022, sixteen sets have entered service with the upgrade.

The program includes overhauling air conditioning units, Static Inverter upgrades, and modifications to the Driver's desk/cab. [16]

Other anti-vandal improvements included the introduction of 'Mousetrap' sensors. Trialed in 2015, these sensors are able to detect vapors from strong permanent markers and spray paint; triggering an in-built camera feed which is relayed to Sydney Trains staff as well as the Police Transport Command. They were then installed in most converted G sets. [21]

Service

Lines serviced

The Tangaras usually operate on the following lines:

Since 2013, their operation on Sector 2 has ended timetable services with all of them being displaced to Sector 1 since A sets do not operate on that sector.

Incidents

Wentworthville derailment

Driving trailer car D6127 and motor car N5127 were both involved in the Wentworthville train derailment on 27 December 1989, the first major accident involving the Tangara fleet. D6127 was written off, having collided with the platform. N5127 was sent to Dunheved on the Ropes Creek line for training fire fighters, along with S Set car C3866. [22]

Vineyard collision

On 10 February 1994, set T99 travelling from Richmond towards Blacktown collided with a van at the level crossing at Vineyard. The first 3 cars derailed in a zig-zag format, starting a nearby grassfire. [23]

Unanderra derailment

On 24 January 2009 at 2:35 AM, set G4 (now T104) was departing from Unanderra towards Wollongong and derailed due to the train passing a signal at Danger, and the catch-points derailing the train to avoid a collision with a freight train. The first 2 cars and the front bogie of the third car derailed and stopped safely 50 metres from the signal. Subsequently because of this incident, G4 was the first G set to undergo conversion to suburban T set T104. [24]

Carriage pierced by guard rail

During evening peak on 15 January 2014, motor car N5222 on set T10 was pierced by a guard rail near Edgecliff railway station while on a service to Cronulla. Issues with the train were already developing on the previous run, triggering wheelslip sensors on the train multiple times. As the train entered the Eastern Suburbs Line, a strong burning smell was reported at several stations. It was later revealed that an incorrectly repaired axle on N5222 led to the force of the 440-tonne train picking up the piece of guard rail. [25]

Kembla Grange derailment

On 20 October 2021 at 4:09 AM, Tangara set T42 derailed near Kembla Grange station on a level crossing. It was caused by a motor vehicle that was stolen and driven up the rail corridor near the railway crossing. Car D6212 fell onto its side and car N5212 also derailed, while cars N5211 and D6211 did not derail and only had minor damage. There were no serious passenger injuries or deaths as a result of this incident, however two passengers, as well as the guard and the driver, were hospitalised to be checked. The Driver was badly injured during the rollover of the Driver trailer carriage. T sets usually don't operate through Kembla Grange, however due to industrial action on the day of the incident banning the usual H sets, they were used. [26]

4D

4D at Spencer Street Melbourne 4D Train.jpg
4D at Spencer Street

A train bearing strong resemblance to a Tangara, known as the 4D, was built by A Goninan & Co in 1991 for the Public Transport Corporation. [27] Although outwardly similar to the Tangaras it was mechanically very different being built to be compatible with the Comeng trains operated in Melbourne. It was included in the sale of Hillside Trains to Connex Melbourne in August 1999. It wasn't successful and after spending large periods out of service, being withdrawn in December 2002 and stored at Newport Workshops. The 4D was bought by CityRail for parts and then scrapped in March 2006 by them at Sims Metal, Brooklyn, Victoria. The G sets' cab ends have a design similar to the 4D, with the bottom part being bent inwards.

Notes

  1. ↑ Former G sets are 81.21 m (266 ft 5 in). [1] [2] [3]
  2. ↑ Former G set cars are 20,385 mm (66 ft 11 in). [1]
  3. ↑ Former G set cars are 53 t (52 long tons; 58 short tons). [2]
  4. ↑ Former G set cars are 45 t (44 long tons; 50 short tons). [1]

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References

  1. 1 2 3 G set technical diagrams (OD)
  2. 1 2 G set technical diagrams (ON)
  3. ↑ G set technical diagrams (ONL)
  4. ↑ "UGL Unipart wins Tangara upgrade deal". Rail Express. 10 August 2015. Archived from the original on 22 October 2021. Retrieved 15 October 2021.
  5. 1 2 "Generations of electric rolling stock". transport.nsw.gov.au. Transport for NSW. 12 December 2017. Archived from the original on 21 April 2019. Retrieved 21 April 2019.
  6. ↑ "Tangara Contract" Railway Digest September 1986 page 273
  7. ↑ "A Goninan & Co" Railway Digest October 1993 page 417
  8. ↑ "A Review of Electric Multiple Unit rolling stock" Railway Digest September 1996 page 32
  9. ↑ Bruce, R.; Hatton, T. (1989). "Tangara train management system-concept, design and experience". International Conference on Main Line Railway Electrification 1989: 197–201. Archived from the original on 27 March 2020. Retrieved 7 April 2021.
  10. ↑ "Tangara Preview" Railway Digest February 1988 page 49
  11. ↑ Amuso, Fabian (5 February 2018). "Fab Sydney Flashbacks: MILESTONE: Tangara Trains turn 30 (1988)". Fab Sydney Flashbacks. Archived from the original on 19 November 2021. Retrieved 19 November 2021.
  12. ↑ "450th Tangara Delivered" Railway Digest December 1995 page 6
  13. ↑ Major makeover for Tangara fleet NSW Government 30 April 2010
  14. ↑ Tangara fleet to get make-over CityRail Xpress edition 127 28 April 2010
  15. ↑ "All change as RailCorp is disbanded" Archived 3 July 2013 at the Wayback Machine Sydney Morning Herald 1 July 2013
  16. 1 2 "Transport for NSW 2013-14 Annual Report" (PDF). Transport for NSW. p. 28. Archived (PDF) from the original on 27 October 2017. Retrieved 13 February 2018.
  17. ↑ UGL awarded $131m contract for Tangara technology upgrade Archived 4 March 2016 at the Wayback Machine UGL Limited 5 August 2015
  18. ↑ Newcastle train builder awarded $131m contract Archived 8 August 2015 at the Wayback Machine ABC News 5 August 2015
  19. ↑ "Fleet update - September 2017" (PDF). Transport for NSW. September 2017. p. 4. Archived from the original (PDF) on 13 February 2018. Retrieved 12 February 2018.
  20. ↑ "Sydney Teen Violently Kicks Train Door". YouTube . Archived from the original on 4 January 2022. Retrieved 4 January 2022.
  21. ↑ Saulwick, Jacob (7 May 2015). "'Mousetrap': Sydney trains sniff out graffiti vandals with new technology". The Sydney Morning Herald. Archived from the original on 8 November 2020. Retrieved 12 October 2020.
  22. ↑ "A Review of Electric Multiple Unit Rolling Stock" Railway Digest September 1994 page 32
  23. ↑ Cityrail - Verious[sic] news reports after the 1994 Vineyard train derailment, archived from the original on 12 December 2021, retrieved 21 July 2021
  24. ↑ Derailment of CityRail Passenger Service K496, Unanderra, 24 January 2009 Archived 9 May 2022 at the Wayback Machine THE OFFICE OF TRANSPORT SAFETY INVESTIGATIONS
  25. ↑ Derailment of Sydney Trains Passenger Train 602M near Edgecliff station, Sydney, NSW on 15 January 2014 Archived 4 August 2020 at the Wayback Machine Australian Transport Safety Bureau
  26. ↑ "Passengers injured as train DERAILS in NSW after slamming into abandoned car". 7NEWS. 19 October 2021. Archived from the original on 19 October 2021. Retrieved 19 October 2021.
  27. ↑ Double Deck Development and Demonstration (4D) Train Archived 20 June 2004 at the Wayback Machine Vicsig

Further reading

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