INJURED WAS WALKING FROM THE PARKING AREA IN FRONT OF THE MAIN OFFICE WHEN SHE SLIPPED AND FELL IN THE SNOW AND ICE. THE SNOW HAD ACCUMULATED TO APPROX 4"" OVER A LAYER OF ICE. THE SNOW WAS STI LL FALLING. INJURED'S SHIFT WOULD HAVE BEGAN ONCE SHE HAD REACHED THE OFFICE.