Let's keep our fingers crossed that this strike does not happen of you will be in deep do-do.
Storage charges (mine are normally $200 a day) will still apply even if you can't access your container due to a strike for a month....unfair, but that's the way it is and one of the unknowns when importing. I factor in some delays and expenses with EVERY container and end up paying half the time.
http://www.abc.net.au/news/stories/2011/05/25/3226037.htm?section=justin