There is to be ONE PERSON AT A TIME on a ladder — NO EXCEPTIONS.
We had a situation where one person fell down a ladder while leaving a hatch and subsequently took out another person lower down the ladder.
This one person at a time also applies to equipment – RTGs, etc. WAIT until your partner comes down, or go up before your partner starts to come down.
Two people are NOT to occupy the same ladder AT ANY TIME.
ILWU Local 500 Safety Committee