THIS EE ALLEDGES THAT HE FELT A SHARP PAIN IN LOWER ABDOMEN WHEN HE SAID HE SLIPPED IN MUD TRYING TO PUT UP A HEAVY CURTAIN BOARD. HE WORKIED THE REMAINDER OF THE YEAR WITHOUT MISSING TIME BUT REQUIRED SURGERY ON 11/27/00 TO REPAIR. HE BEGAN MISSING TIME ON 11/27/00.