Dean Street between Flatbush and Sixth Avenues closed on Saturday, maybe Sunday, for work at B2 site

A message from AtlanticYards.com echoes one placed on cars parked on and around Dean Street:

Community Notice
DEAN ST. BETWEEN FLATBUSH & 6TH AVES. WILL BE CLOSED
Saturday, July 20th (& Sunday, July 21st if necessary)
to install Con Edison vaults at the B2
construction site at the corner
of Flatbush Ave. and Dean St.
This work is expected to start at 7:00 am and conclude by 9:00 pm. The street closure will start at 3:00 am.
Access to Barclays Center loading dock is being coordinated via 6th Avenue.