Mark 4 (Iarnród Éireann)
Encyclopedia
Iarnród Éireann
Iarnród Éireann is the national railway system operator of Ireland. Established on 2 February 1987, it is a subsidiary of Córas Iompair Éireann . It operates all internal intercity, commuter and freight railway services in the Republic of Ireland, and, jointly with Northern Ireland Railways, the...
in the Republic of Ireland
Republic of Ireland
Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...
on the InterCity
InterCity (Iarnród Éireann)
InterCity is the brand name given to rail services operated by Iarnród Éireann that run between Dublin and other major cities in the Republic of Ireland.-Services:InterCity services from Dublin operate from two main stations:...
service from Dublin to Cork. These trains have no connection to the BR Mk 4
British Rail Mark 4
British Rail's fourth design of passenger carriages was designated Mark 4, designed for use in InterCity 225 sets on the newly-electrified East Coast Main Line between London, Leeds, and Edinburgh.-History and construction:...
.
Description
67 Mark 4 coaches were manufactured in 2004-5 by CAFConstrucciones y Auxiliar de Ferrocarriles
Construcciones y Auxiliar de Ferrocarriles is a rail equipment manufacturer based in Beasain in the Basque Country, Spain. Equipment manufactured by CAF includes light rail vehicles, rapid transit trains, railroad cars and locomotives, as well as variable gauge axles that can be fitted on any...
and delivered in 2006. The designs for the interior of the carriages and the exterior styling of the DVT were produced for CAF by Design Triangle
Design Triangle
Design Triangle is a transport design firm, based in Cambridge, UK. Founded in 1986, Design Triangle specializes in the design of the interiors and exteriors of vehicles for public transport, particularly rail passenger cars.- Rail Vehicles :...
.
Capable of 10-car operation, each in-service set currently comprises 8 cars:
- Generator Control Car - GC (or DVTControl car (rail)A control car is a generic term for a non-powered railroad vehicle that can control operation of a train from the end opposite to the position of the locomotive...
) - One First Class - FC
- One Catering Car - CC
- Four Standard Class - SC
- One Standard End - SCE, with retractable buffers & drop-head buckeye coupling at locomotive end.
Seating capacity is 493 (8-car set) and the train is fully accessible to mobility-impaired customers.
Main Features
The Standard Class carriages have improved passenger seating and leg room. They also have electronic visual and audible passenger information systems, electronic seat reservation displays, CCTV, air conditioning and additional space for luggage. Power points sockets are supplied on all Standard Class coaches. Premier Class cars have ergonomic, electronically adjustable seats, adjacent power points, multi-channel ear phone jack sockets and individual overhead lighting.Main features include:
- Merak HVACHVACHVAC refers to technology of indoor or automotive environmental comfort. HVAC system design is a major subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer...
http://www.merak-sa.com/implantacion.htm - Power operated passenger doors
- Fire resistance to BS 6553:1999 Cat 1B
- Public addressPublic addressA public address system is an electronic amplification system with a mixer, amplifier and loudspeakers, used to reinforce a sound source, e.g., a person giving a speech, a DJ playing prerecorded music, and distributing the sound throughout a venue or building.Simple PA systems are often used in...
(PA) including automated announcements in Irish and English - Closed-circuit televisionClosed-circuit televisionClosed-circuit television is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors....
(CCTV) recording, including a forward-facing camera in the DVT - LEDLight-emitting diodeA light-emitting diode is a semiconductor light source. LEDs are used as indicator lamps in many devices and are increasingly used for other lighting...
Exterior & Interior Destination signs - Seat Reservation system with reserved seating LED displays above each passenger seat. System is updated via Wireless LANWireless LANA wireless local area network links two or more devices using some wireless distribution method , and usually providing a connection through an access point to the wider internet. This gives users the mobility to move around within a local coverage area and still be connected to the network...
(W-LAN) - LED Route Maps
- In-seat audio in First Class
- Power operated seating in First Class
- Suspension:
- Primary coil springs & secondary air bags
- Sanding on leading axle of GC & trailing axle of SCE cars
- Scharfenberg coupler between cars, drop-head buckeye couplers each end
- Wheelchair area & accessible toilets to UK Rail Vehicle Accessibility RegulationsRail Vehicle Accessibility RegulationsThe Rail Vehicle Accessibility Regulations 2010 is a Statutory Instrument in the United Kingdom. It aims to set standards designed to improve accessibility for disabled people on light rail passenger vehicles.It came into force on 6th April 2010...
Key dimensions:
- Length between couplers - 23.66 m (77 ft 7.5 in)
- Height - 3.85 m (12 ft 7.5 in)
- Width - 2.85 m (9 ft 4 in)
Mark 4 DVT
- Air-conditioned driver's cab
- Fault Diagnostic system, displayed on driver's monitor
- Luggage Compartment
- Fire Suppression System
- Generator engine compartment protected by FM200 extinguisher
- Fuel tank protected by AFFF extinguisher
- Generators:
- Twin MAN 2846 LE 202 (320 kW) / Letag (330kVA) engine / generator sets, assembled by GESAN
- Length between couplers - 23.81 m (78 ft)
Performance
Though capable of 200 km/h (125 mph) operation, this higher speed would require both track & signal system upgrade and the provision of a faster locomotive than the currently used 201 classIE 201 Class
The Iarnród Éireann 201 Class locomotives are the newest and most powerful diesel locomotives operating in Ireland, and were built between 1994 and 1995 by General Motors. They are model type JT42HCW, fitted with an EMD 12-710G3B engine of 3200 hp, weigh 112 tonnes and have a maximum speed of...
. A possibility being considered is the replacement of the existing 201 with two power cars, one of which would be converted from the existing Generator Control Car.