skyscraper storey office tower perth western australia building measures base roof tip communications mast completion tower tallest building perth currently equal seventh tallest building australia tallest building western half australia approval tower controversial plot ratio concessions developers concessions enabled developers construct tower twice height site opposition council decision ignore town planning experts allowing large car park constructed underneath site building formed composite steel concrete frame setbacks profile meaning upper floors smaller area lower levels building setbacks help building reinforced concrete core strong winds prevalent area base building features small park tower named history department stores early 1930s site home department store known locals store extended way featured popular great areas window display island windows street frontage store changed department store purchase chain western australian operations late 1970s withdrawn western australian market site stood vacant decades landmark site later acquired joint venture partners value million planning approval planned million redevelopment acre site announced october plans included storey office tower underground car parking park extension hay street mall westwards alongside development demolition site started october time planned tower expanded slightly floors approval redevelopment controversial council town planning scheme imposed limit number parking bays central business district ensure city streets handle increased traffic levels coming extra parking scheme site entitled car parking bays developers sought approval car parking bays council planning experts said cause traffic king street waiting entry council wanted developers consider constructing road tunnel mounts bay road underground parking reduce traffic congestion tower developers agreed consider building pedestrian beneath final planning approval redevelopment ultimately passed council decision october discussion hours council planning concessions allow development car parking bays exceed plot ratio council allowed developers transfer storeys worth plot ratio park corner william hay streets gave bonuses storeys actually building park storeys public space quality development result half tower eventual floors came planning concessions argued approval redevelopment set dangerous precedent state planning minister said building big council granted extra parking bays developers time planning approval site owned corporation approved plans november construction contract awarded construction construction tower started firm project engineers building constructed method floor pre cast site simply dropped steel frame tower construction progressed pre cast floor units rectangular triangular supplied use largest contract awarded australian company construction principle extended tower arrived building site completely enclosed ready fixed position floor external services connected major structural work concluded installation communications mast tenants accounting firm moved offices followed tenants including december following structural completion tower public park early construction cost million completion building overtook tallest skyscraper perth city largest office tower combined floor area title taken building opened post construction completion regarded perth leading premium office towers years following opening faced sluggish office rental market experienced high vacancy rates years tower stated office retail space occupied floors major current tenants include miners law firm internet service provider occupies space building george logo installed tower removed mid mid logo installed sides tower september high winds heavy storm resulted canopy building led closure entrance safety precaution building owner subsequently initiated legal action tower builder tower played host annual climb race flights stairs roof event raised australia remained tallest building perth completion suspected overtaken height newly constructed city square originally expected metres tall design fourth largest stage plan architects surrounding commercial included building building design tower changed times prospect different planning concessions changed building ultimately constructed measures roof mechanical tip communications antenna tower composite steel concrete frame featuring pre stressed reinforced slip form concrete core tower setbacks time completion tallest core building australia core method sway building winds core tower use service core structure building number internal columns needed largest floors usable space millimetre diameter columns tower composite steel concrete permanent pre cast floor supported fire treated steel beams provided composite action topping profile building multiple setbacks provide variable floor areas cater needs different tenants plan tower based square triangular wings extending opposite sides building oriented best use relatively narrow frontage tower clad aluminium glass curtain walls building sheets glass cleaned twice year high winds months complete window washing circuit building clean exterior faces building window vertically kilometres noted opening advanced fully air conditioning uses data sensors floor regulate temperatures energy efficient way floors views kings park indian_ocean members public permitted observe building designated charity days podium building clad stone complement surrounding street decorated murals artist aluminium wall panels addition office space retail space basement car parking bays project completion site includes park leads intended focal point restored opposite hay street architects intended park act breathing space hard linear nature hay street mall park contains sunken seated areas raised areas fountain fountain large plaza area provides pedestrian variously described magnificent green strips city outside area river green lungs city backyard sized patch grass gallery
Central Park (skyscraper)