EMPLOYEE WAS MOVING 6"" PIPE TO HOOK IT TO HIS TRUCK & MOVE IT. HE STATED THAT PARTING FELL FROM A WALL NEAR WHERE HE WAS WORKING, STRUCK HIS NECK/SHOULDER/JAW AREA. HE STATED HE DOESN'T REMEMB ER HITTING THE GROUND BUT CAME TO FACE DOWN IN THE DIRT. HE FELT HE WAS ""OUT"" FOR A SHORT PERIOD OF TIME (LOST CONSCIOUSNESS). HE WAS TAKEN TO E.R., TREATED & RELEASED TO RETURN TO WORK.