EE WAS PASSING BRICK IN AND OUT OF AN OUTOCLAVE, TO ANOTHER EE OPERATING A BRICK SAW. AS HE HANDED A BRICK UP THE EE ON TOP LOST HIS GRIP ON THE BRICK. IT FELL STRIKING THE EE ON THE TOP OF TH E HARD HAT, CAUSING THE EE TO LOSE CONCIOUSNESS FOR APPX. 30 SECONDS.