To put into perspective $2.5B Fed building renovation, 10 years ago ExxonMobil (Rex Tillerson) built a $1B 10K person campus with imported marble tile floors.
https://www.spireconsultinggroup.com/project/exxonmobil-delta-campus/
https://urbanland.uli.org/development-business/exxonmobils-new-campus-giving-houston-second-energy-corridor