EE WAS ON THE WORK DECK DRILLING HOLES FOR THE CURTAINWALL REBAR MATT DOWELS AND A ROCK CRUSHED STONE FROM CONCRETE FELL FROM THE COLLAR AND STRUCK THE RIGHT WRIST OF EE. DR. RETURN TO WORK REPORT ADVISED RT. WRIST CONTUSION (NERVE) TREATMENT NSAID OTC. UNABLE TO USE RT. HAND. NEXT VISIT 12-19-02. EE WEARING BRACE ON RT. HAND.