The SpaceX BFR factory is expected to take 12-18 months for Phase 1 and another 12 or so months for Phase 2. Pictures indicate the work to prepare the site of the SpaceX BFR factory is ramping up
SpaceX continues to work on a larger faring catcher. It is being made four times larger in area.
The $6 million carbon composite aluminum farings could become a bottleneck when SpaceX shifts to a higher volume of launches.
SpaceX will likely need to build four faring catching boats.