▁ 1 9 0 7 , ▁which ▁added ▁ 1 3 0 , 0 0 0 ▁new ▁residents ▁to ▁the ▁city . ▁In ▁ 1 9 0 9 ▁plans ▁for ▁a ▁new ▁City ▁Hall ▁began . ▁Mayor ▁William ▁A . ▁McG ee ▁proposed ▁s elling ▁the ▁current ▁offices ▁in ▁the ▁Smith field ▁Street ▁City ▁Hall ▁and ▁the ▁Public ▁Saf ety ▁building , ▁and ▁using ▁these ▁funds ▁to ▁buy ▁the ▁Al leg hen y ▁County ▁Cour th ouse ▁and ▁use ▁it ▁as ▁the ▁space ▁for ▁construction ▁of ▁a ▁new ▁City ▁Hall . ▁By ▁ 1 9 1 2 ▁the ▁plans ▁moved ▁forward ▁substantial ly ▁with ▁both ▁the ▁City ▁of ▁Pitts burgh ▁and ▁Al leg hen y ▁County ▁appro ving ▁a ▁joint ▁vent ure ▁to ▁purchase ▁the ▁land ▁and ▁both ▁occup y ▁the ▁new ▁building . ▁The ▁architect ▁for ▁the ▁new ▁building ▁was ▁to ▁be ▁chosen ▁through ▁a ▁competition , ▁only ▁accepting ▁architect s ▁res iding ▁and ▁doing ▁business ▁within ▁Al leg hen y ▁County . ▁Regional ▁favor it ism ▁was ▁used ▁in ▁the ▁building ' s ▁construction ▁as ▁well , ▁as ▁in ▁ 1 9 1 4 ▁Mayor ▁Joseph ▁Arm strong ▁claimed ▁that ▁all ▁material ▁for ▁the ▁building ▁should ▁come ▁from ▁manufact ures ▁who ▁produce ▁and ▁are ▁located ▁in ▁Pitts burgh , ▁and ▁that ▁all ▁labor ▁employed ▁should ▁be ▁obtained ▁or ▁taken ▁from ▁Al leg hen y ▁County . ▁The ▁plans ▁for ▁the ▁development ▁of ▁the ▁new ▁building ▁even ▁extended ▁to ▁some ▁of ▁the ▁prominent ▁organization ▁within ▁Pitts burgh ▁such ▁as ▁the ▁Car neg