Reichstag Building
Transcription
Reichstag Building
ReichstagBuilding Architect:FosterandPartners,London Lightingdesigner:ClaudeEngle,ChevyChase(CL) Photographer:RudiMeisel,Berlin;AnettStuth,Berlin Place:Berlin Atnight,theilluminateddomeoftheReichstaghasbeenthenew symboloftheGermancapitalsince1999:TheReichstag,built between1884and1894followingtheplansofPaulWallot,was renovatedbyLordNormanFostertobecometheseatoftheGerman Bundestag(thelowerhouseoftheGermanParliament).Sinceits reopening,avisittotheReichstagandanascentofthedomehas beenafirmpartoftheprogramofeveryBerlintourist. ForERCOasthemainlightingsupplier,therenovationofthe Reichstagpresentedthechallengeofdevelopingatailoredlighting conceptinclosecooperationwitharchitects,lightingdesigners,and specialistengineers. ThenewPlenaryChamberundertheglassdomeconstitutesthe heartofthebuilding.Inhisdesign,Fosterfollowedtheconceptof addingthecomplexfunctionsofmodernparliamentaryworkasa contemporarylayertothecarefullyexposedhistoricalsubstance. Withhisgeneroususeofglass,heopenedupnewvisual relationships,givingthebuildingapreviouslynon-existentquality oftransparencyandpermeability. TheReichstagisequippedwithcontemporaryart,theacquisitionof whichwasentrustedtoaspecialparliamentarycommission.Among others,thosecommissionedwithitincludedSigmarPolke(top), MarkusLüpertz(bottomleft),GeorgBaselitz(bottomcentre),and JennyHolzer(bottomright,talkingtoLordFoster). AspecialplaceamongtheartisticcontributionsintheReichstagis occupiedbytheprayerandreflectionroom:Itwasdesignedand laidoutinitsentiretybyGüntherUecker.Washlightsfortungsten halogenlampsensureanevenillumination,withawallaperture lettinginalateralglimmerofdaylight. Theresult:Asoftandevenilluminationofthe'politicalarena', providingahighluminousqualityforthemediademocracywithout anyhardshadows. Thankstotheircompactform,thelightproducedbylow-voltage halogenlampscanbecollimatedverywell,makingthemidealfor accentlighting.Furtheradvantagesofferedbythislightsourcesuchasbrilliantwhitelightandexcellentcolourrendition-have meantthatithasincreasinglybeenusedforambientlightingover thepastfewyears.ERCOconstructeddownlightsandwallwashers fortungstenhalogenlampswith150W/24Vforthefirsttimeever fortheReichstagproject.Thismeantthathigh-qualityhalogen lightcouldbeusedtoilluminateroomsofupto4minheightand more. Lightingtheplenarychamberprovessomethingofabalancingact, owingtoaconflictofinterestsbetweenthetechnicalrequirements forTVtransmissionsandthevisualcomfortneedsofthemembers ofparliament.Therefore,ClaudeEnglehadalargenumberof spotlightsinstalledonacircumferentialgalleryinordertoreduce glarebydistributingtherequiredluminousflux.Eachspotlightwas individuallyfocussedandfixedtoavoiditbeingmovedduringlater lampreplacement. Whilethequalityofthehalogenlightwasthetoppriorityinthe moremajesticareasofthebuilding,thefactorsusedtoselectthe lightsourcesforthestairwayescaperouteswerecompletely different.Thecontinuousoperationoftheluminairesmeantthat thelowestpossibleenergyconsumptionwasofgreatimportance.At thesametime,itwasessentialtoguaranteethattheluminaires wouldfunctionperfectlyindirectcurrentoperationincaseofa powerfailure.Lightcastdownlightsforcompactfluorescentlamps fittedwithelectroniccontrolgearmeetalloftheserequirements. TheAvalonlightstructuresusedonthegroundfloorsolvecomplex lightingtasks:thelightinginstallationhadtobeintegrated discreetlyintothehistoricvaultedarchitectureand,atthesame time,becapableofholdingloudspeakers,emergencyluminaires, escaperoutepictogramsandsensorsfordaylight-dependent lightingcontrol.IntheReichstag,one-lampAvalonluminaireswith 60%indirectand40%directlightwereused. DeutscherBundestag PlatzderRepublik1 11011Berlin Telephone:+4930/227-0 Fax:+4930/227-36878or227-36979 www.bundestag.de E-Mail:mail(at)bundestag.de Thoseinvolved: Buildingsponsor:FederalRepublicofGermany Architects:FosterandPartners (SirNormanFoster,DavidNelson,MarkBraun,ChristianHallmann, UlrichHamann,DieterMüller,IngoPott) www.fosterandpartners.com Designofsupportingstructure:LeonhardtAndrä&Partner Lightingplanning:Amstein&Walthert/KarnaschIngenieurges. mbH,Zurich/Berlin Architecturallighting:ClaudeR.Engle,ChevyChase/Maryland Technicallighting:IngenieurbüroHolk&Kaletta,Berlin Electricalinstallation:Elektro-AnlagenbauWismarGmbH Visitinginformationat: www.bundestag.de/interakt/besuch/index.html Furtherinformationonthebuildingat: www.bundestag.de/bau_kunst/index.html