Possible Clues:

• Complex pelican crossing - get rid!
• Discharge source of pollution into river and lake
• Eject from school
• Put out, seeing illiterate signature included in record on railway
• Deport
• Forty vocalising round piano in bar
• Put out energy on cross to power overhead railway
• Drive out from exercises with unqualified person
• Drive out - dispossess
• Send packing