EMPLOYEE WAS REMOVING SPENT BRIQUETTES WITH A SHOVEL FROM THE CALCIUM FURNACES. HE STAGGERED AWAY AND COLLAPSED TO THE FLOOR IN A FELLOW EMPLOYEE'S ARMS. THE EMPLOYEE WAS UNRESPONSIVE SO TWO EMPLOYEES CONDUCTED CPR AND REVIVED HIM WITHIN A FEW MINUTES. HE WAS TAKEN TO A HOSPITAL VIA AMBULANCE AND ON 8/30/04 HAD HEART BYPASS SURGERY.