Kyle, Gerardo 
Moved BSC1 purge air connection from dome to chamber to facilitate dome removal.  

Kyle 
Removed 4.5" CFF electrical feed-through from HAM6 D5-3 and preserved Class A for TBD re-installation.  Installed 4.5"-2.75" zero-length reducer and 1.5" all-metal angle valve (for future HAM6 purge) at D5-3.