type train current types electric multiple unit east west lines singapore mass rapid transit system oldest trains built system introduced operation consisting cars single money consisting cars purchased trains operated trains manufactured japanese consortium consisting following round intense competitive bidding rolling stock manufacturers world visible differences found built agreed specifications trains underwent year mid life interior refurbishment programme major train december plans upgrade mechanical components increase reliability receive upgrade included replacement traction system entered service july history process construction mass rapid transit system underway contract called rolling stock cars phase option cars phase described time manufacturers begging orders global rolling stock market competition contract intense companies world submitted bids nicknamed big included metro japanese manufacturers led consortium competition contract fierce involved minute offers free parts allegations sabotage metro final round metro based design hong_kong train proposed use propulsion system won contract metro delivered concept mock originally favourite win contract analysts concerned measuring error involving london underground stock evaluation period bid japanese consortium awarded contract cost million construction passenger cars won contract bid aided favourable financing positive economic conditions japan lower award largest single contract awarded initial construction system promised supply worth complimentary spare parts delivery loss contract massive financial blow metro forced reduce workforce half later year initial construction mock manufactured japan won contract shipped singapore public display national exhibition held november mock featured choices seating arrangements colour schemes members public invited feedback options finalised interior design trains consisted fully longitudinal seating arrangement bucket seats plastic glass separated seating areas passenger doors lines standing passengers installed middle car colour scheme adjacent car interior distinct car identification cases fault reporting easier passengers originally colour scheme driving trailer cars orange second fifth motor cars blue centre motor cars green seats doors reduced seven round refurbishment rolling stock propulsion equipment constructed japan parts sourced europe trains fitted air conditioning brakes propulsion equipment estimated consume electricity hong_kong existing signalling system supplied capable running pre programmed speeds activated train driver theoretically possible design fully operation signalling technology decided option assembled japan shipped singapore delivered july refurbishment september transit technology received order carriages costing million total works included refurbishment interior fixtures addition wheelchair spaces upgrading onboard communications equipment public announcement system general improvement cars appearance said reasons refurbishment wear damage important components past decades water leaks air conditioning system trains company chose option instead buying new rolling stock cost million refurbished train began revenue service november remaining refurbished end refurbished trains resemble rolling stock interior fittings replaced white walls new seats installed allow standing space colour seats driving trailer changed orange red seats refurbished cars lengthened seven seats row designated priority seats differentiated darker colour propulsion system retained having performed better expected wheelchair space available end mid train cars nearest lifts ground stations led displays warn passengers closing doors introduced upper middle section door additional advertisement panels introduced hand moved support bars seats ceiling located near doors ends carriage air conditioning system modified match system cars air conditioning flow fans installed november announced refurbished seats replaced metal rails create extra standing space justified grounds allowing standing space onboard peak hour services reduction seats row seven refurbishment unpopular decision reduce seating capacity drew sharp criticism operator december seats replaced metal bars create extra standing space second refurbishment following major train december found despite refurbishment rolling stock appear upgrade terms engineering components particularly critical inadequate emergency battery installed recommended installation found trains response announced replacing important engineering components trains included changing existing propulsion system newer gate propulsion system technology currently tokyo metro series series trains series trains july began new propulsion system distinguishable original fleet noise accelerating tandem replacement signalling system east west line newer signalling system new equipment installed passenger compartment trailer cars operational details money train built car unit serve money train decommissioned service set training purposes mock college west training purposes passenger announcement information systems trains originally visual passenger information systems station announcements train operator automatic audio announcement system voice synthesizers installed train september iteration door closing announcements replaced initial door fully introduced april attempted install passenger information system trains displays removed november doors cars carriage number installed dynamic train system displaying station information testing similar ones hong_kong initial prototype based existing automatic transit system developed house removed end year entering service years later units vacuum displays mounted ceiling units dynamic route maps mounted door car month trial new progressively introduced subsequently trains cost million car standard equipment new rolling stocks subsequently introduced east west line numbering cars aluminium double skinned construction delivered save time red strip ran length cars middle match operator visual branding cars shiny appearance delivery dirt accumulated recurring problem operator attracted public complaints response built wash machine attempt clean cars exterior proper refurbishment problem solved covering cars exterior entirely giant creating similar newer rolling stocks train formation complete car consists identical twin set driving trailer motor cars permanently coupled configuration revenue service car numbers trains range depends carriage type built sets built sets built sets built sets individual cars assigned digit serial number rail operator complete car consists identical twin set driving trailer motor cars permanently coupled example set consists carriages major incidents introduction rolling stock involved high profile incidents august trains collided station imp gal gal oil track maintenance locomotive resulting injuries car graffiti graffiti initially mistaken advertisement spotted car filmed video uploaded youtube convicted sentenced seven months imprisonment public perceived incident security implications depot considered sensitive installation major disruption december train stalled tunnel backup battery failed passenger compartments experienced loss ventilation leading passenger smashing train door window avoid battery failure led criticism condition aging emergency batteries installed trains proposed upgrading plan address issue minor incidents train glass window panel reportedly shattered admiralty causing injuries death unrelated similar issue defects found trains acknowledged july
Kawasaki Heavy Industries C151