Joint Operational Evaluation Board Airbus A380-800 Report of the A380-800 Cabin Crew Subgroup(6)

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Additionally, consideration should be given to making passengers aware of which deck they are seated on.
If an operator permits passenger(s) to sit on a different deck for landing, a pre-arrival safety briefing should be given on the location of the exits on that deck.  
Different National Aviation Authorities have their individual requirements and advisory information regarding passenger briefing and passenger safety cards.  Such criteria will need to be taken into account by operators and by the National Aviation Authority in the development and acceptance of an individual operator’s passenger briefing material for the Airbus A380-800.
A common passenger briefing and a common safety card for both decks have been developed by Airbus, and may be used as reference material by operators to develop their own briefing material. See Appendix A.

JOEB conclusion:  Operators should provide a common passenger briefing, and a common safety card for both decks so as to ensure that passengers are made aware of the location of all the exits on both decks of the A380-800.
Additionally, the JOEB was concerned that the control of up to 853 passengers in the post evacuation scenario has the potential to provide problems to cabin crew, flight crew and ground rescue personnel.
The 25.803 certification requirements only takes into account the evacuation of the aeroplane up until the time that passengers and crew have reached the bottom of the evacuation slides.
Operational requirements take into account the need for crowd control once the passengers have left the aeroplane. 
Appendix 1 JAR-OPS 1.1010 (f) states: “Crowd control. An operator shall ensure that training is provided on the practical aspects of crowd control in various emergency situations, as applicable to the aeroplane type”. Additionally, IEM to Appendix 1 to JAR-OPS 1.1005/1.1010/1.1015/1.1020 includes a reference that cabin crew training should include ‘The marshalling of passengers away from the aeroplane”.
During emergency evacuations, as well as during precautionary evacuations, some exits will be opened before other exits. There is a potential for aeroplanes with “off wing” evacuation slides and upper deck slides, for these slides to deploy on top of passengers who have already evacuated.  Although not unique to the A380-800, this scenario is more likely in that there are two large decks and a greater number of evacuation slides in close proximity.
Forward of the A380-800 wing there are two main deck slides and one upper deck slide on each side of the aeroplane.  Aft of the A380-800 wing there are three main decks slides (including one off-wing slide) and two upper deck slides on each side of the aeroplane.  
The proximity of the following slides to each other might be an issue in terms of the timing of slide deployment:
U1 and M2 U2 and M3, and M4 U3 and M4, and M5
The issue of upper deck slide interaction with passengers on the ground was raised during the certification process, and then devolved to the JOEB for an operational solution.
　
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