▁the ▁general ▁public . ▁ ▁History ▁ ▁Selection ▁of ▁a ▁site ▁ ▁In ▁ 1 8 2 1 ▁the ▁Op éra ▁de ▁Paris ▁had ▁moved ▁into ▁the ▁temporary ▁building ▁known ▁as ▁the ▁S alle ▁Le ▁Pe let ier ▁on ▁the ▁. ▁Since ▁then ▁a ▁new ▁permanent ▁building ▁had ▁been ▁desired . ▁Charles ▁R oh ault ▁de ▁Fle ury , ▁who ▁was ▁appointed ▁the ▁opera ' s ▁official ▁architect ▁in ▁ 1 8 4 6 , ▁under to ok ▁various ▁studies ▁in ▁suitable ▁sites ▁and ▁designs . ▁By ▁ 1 8 4 7 , ▁the ▁Pref ect ▁of ▁the ▁Seine , ▁Claude - Ph ili bert ▁de ▁R amb ute au , ▁had ▁selected ▁a ▁site ▁on ▁the ▁east ▁side ▁of ▁the ▁Place ▁du ▁Pal ais - Ro yal ▁as ▁part ▁of ▁an ▁extension ▁of ▁the ▁R ue ▁de ▁Riv oli . ▁However , ▁with ▁the ▁Revolution ▁of ▁ 1 8 4 8 , ▁R amb ute au ▁was ▁dismiss ed , ▁and ▁interest ▁in ▁the ▁construction ▁of ▁a ▁new ▁opera ▁house ▁w an ed . ▁The ▁site ▁was ▁later ▁used ▁for ▁the ▁Grand ▁H ôtel ▁du ▁Lou vre ▁( des igned ▁in ▁part ▁by ▁Charles ▁R oh ault ▁de ▁Fle ury ). ▁ ▁With ▁the ▁establishment ▁of ▁the ▁Second ▁Empire ▁in ▁ 1 8 5 2 ▁and ▁Georges - E ug ène ▁Haus sm ann ' s ▁appointment ▁as ▁Pref ect ▁of ▁the ▁Seine ▁in ▁June ▁ 1 8 5 3 , ▁interest ▁in ▁a ▁new ▁opera ▁house ▁rev ived . ▁There ▁was