EE WAS SETTING UP TO INSTALL PLATFORMS TO WORK FROM. HE NOTICED A CRACK APPROXIMATELY 6' OFF THE FLOOR LEVEL. HE LEANED A STEP LADDER AGAINST THE WALL FOR A BETTER LOOK. THE LADDER WAS PLACED ON A SLOPE DUE TO THE ANGLE OF THE FLOOR. AFTER CHECKING THE CRACK HE STARTED DOWN THE LADDER. THE METATARSOL PART OF HIS BOOT CAUGHT THE BACK RUNG AND THE LADDER SLIPPED CAUSING THE FALL.