Found this on the city's Vision website (apparently outdated):
PROJECT TIMELINE:
The following timeline is a fluid estimate of major project milestones. As with any large design project, dates are subject to change.
March 25 (2019): Architect submissions due to City of Tulsa April: Mayor’s Task Force short lists the architects
May-June (2019): Architect interviews
June (2019): Construction manager selected (This item was completed in July 2019)
July (2019): Mayor’s Task Force selects architect firm (This item was completed in June 2019)
July 2019-July 2021: Design phase (I guess we're still in the Design phase and they must plan to be in Design phase for a while longer, or there would surely be some indication of when the Museum will be closing for its 2-year construction phase)
January 2021: Construction begins
PLAN FOR IMPROVEMENT:
• One 5,000-square-foot changing gallery for traveling exhibitions
• Three changing galleries designed primarily for Gilcrease Collection • Open storage to display more of the Gilcrease Collection
• Three core thematic galleries
• Dedicated education space
• Helmerich Great Hall
• New lobby and retail store
• Café
• New facade for museum entrance
Also found this Facebook post from late Feb 2020:
Design phase was starting then and would take about 2 years.
So we're probably a year away from demolition, with construction to follow.
https://www.facebook.com/GilcreaseMuseum/posts/10157875423484705