Trax 2013 Attending

I mite not be able to make it, my boss is on holiday untill the 13th so iv got to run the business but if its not to busy i can take some bouncy castles out early for the sunday and still go.
what time would we need to be there on the sunday morning?
just trying to figger out if i can come or not:( why would anybody want a bouncy castle, im sick of seeing them dam it.. nice 1