▁the ▁project ▁broke ▁ground ▁in ▁ 1 9 8 3 ▁and ▁completed ▁the ▁museum , ▁Om ni ▁Hotel ▁and ▁the ▁first ▁of ▁two ▁sk ys c rap ers ▁( One ▁California ▁Pla za ) ▁by ▁ 1 9 8 6 . ▁The ▁second ▁sk ys cra per ▁( Two ▁California ▁Pla za ) ▁was ▁completed ▁in ▁ 1 9 9 2 . ▁Nancy ▁Rub ins ' ▁monument al ▁st ain less - ste el ▁sculpt ure ▁" Mark ▁Thompson ' s ▁Air plane ▁Part s " ▁( 2 0 0 1 ), ▁purchased ▁by ▁MO CA ▁in ▁honor ▁of ▁found ing ▁member ▁Be atrice ▁G ers h ▁in ▁ 2 0 0 2 , ▁was ▁installed ▁at ▁the ▁museum ' s ▁pla za . ▁ ▁The ▁Grand ▁Avenue ▁location ▁is ▁used ▁to ▁display ▁pieces ▁from ▁MO CA ' s ▁substantial ▁permanent ▁collection , ▁especially ▁artists ▁who ▁did ▁much ▁of ▁their ▁work ▁between ▁ 1 9 4 0 ▁and ▁ 1 9 8 0 . ▁There ▁is ▁also ▁an ▁extensive ▁set ▁of ▁rooms ▁used ▁to ▁display ▁temporary ▁exhib its , ▁usually ▁a ▁major ▁ret ros pective ▁of ▁an ▁important ▁artist , ▁or ▁works ▁connected ▁by ▁a ▁theme . ▁ ▁The ▁Ge ffen ▁Contempor ary ▁at ▁MO CA ▁While ▁the ▁Grand ▁Avenue ▁facility ▁was ▁being ▁planned ▁and ▁under ▁construction , ▁MO CA ▁opened ▁an ▁inter im ▁exhibition ▁space ▁called ▁the ▁" Tem por ary ▁Contempor ary " ▁in ▁the ▁fall ▁of ▁ 1 9 8 3 . ▁The ▁new ▁space ▁was ▁located ▁at ▁the ▁edge