s34 Fleets,Others than this may be cameos or last minute
addition 
As Stated in the crew roster sheet
SBS850P BCs>Ex-SG & SK Standby(Which mean they are
partners)
SBS678X BCs>Ex-SK & HG Standby
SBS680M BCs>Ex-HG & SK Standby
SBS689P BCs>Ex-SK & HG Standby Grade 1
SBS723Z BCs>Ex-SK & HG Standby
SBS744M BCs>Ex-HG & SG Standby
SBS769S BCs>Ex-SK & SK Standby
SBS804Z BCs>Ex-SK & HG Standby
Two BCs doing the so-called "6 Cars" Duty which they had perm
Saturdays off
Ex-SG & SK Standbys
Example Driver a this week doing..
Monday to Friday 1,2,3,4,5A then off Sunday P shift vice-versa for
the second ones,Covering other's off days 