DRIVING FORKLIFT #12 INTO NEW STORAGE AREA BUILDING, DRIVING ACROSS ROUGH, UNEVEN ASPHALT NEAR ENTRANCE TO BLDG. FORKLIFT HIT A BUMP IN ASPHALT BOUNCING EE UP FROM SEAT STRIKING HEAD ON PROTEC TIVE CAGE OF FORKLIFT, JAMMING NECK CAUSING COMPRESSION TO NECK & UPPER SPINE.