Cleanroom and HVAC
Envelope, FFU, AHU, and duct close out together, or the grade never holds.
Build
Cleanroom, HVAC, and utilities in one contract. A running plant can be rebuilt one zone at a time.
NHRI vaccine plant 2
Envelope, FFU, AHU, and duct close out together, or the grade never holds.
PW / WFI, bulk gas, and MEP come through the same window as the room.
A temporary wall keeps production on one side of the cut while the other side is rebuilt.
The team that builds the room is the team that qualifies it.