WASTEWATER TREATMENT FACILITY, MAZEPPA, MN 55956
Standard 19260550 A15 I
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU CRANE
FOUR EMPLOYEES WERE MOVING METAL CONCRETE FORMS WITH A BANTEM S-688 HYDRAULIC TR UCK CRANE. THE JOBSITE SUPERINTENDENT MOVED THE CRANE INTO POSITION ON THE SOUTH END OF THE SITE. TWO EMPLOYEES ATTACHED THE FORMS TO THE LOAD LINE OF THE 20-TO N CRANE WITH TWO WIRE ROPE SLINGS AND TWO NYLON SLINGS. ONE OF THESE TWO EMPLOYE ES THEN ACTED AS THE SIGNALMAN FOR THE CRANE OPERATOR (THE SUPERINTENDENT), WHO WAS TO MOVE THE FORMS TO THE WEST SIDE OF THE SITE. HOWEVER, THE SIGNALMAN'S VIE W OF THE OPERATION WAS BLOCKED BY AN 8-FOOT-HIGH PILE OF DIRT BETWEEN THE CRANE AND THE CONCRETE FORMS. THE REMAINING TWO EMPLOYEES GUIDED THE FORMS TOWARD THEI R DESTINATION WITH THEIR HANDS. THE SIGNALMAN WAS SITTING ON THIS PILE OF DIRT A ND COULD NOT SEE THE CLEARANCE BETWEEN THE CRANE'S LOAD LINE AND SOME OVERHEAD P OWER LINES LOCATED ON THE WEST SIDE OF THE SITE. HE DESCENDED THE PILE AND WENT SOME STEPS TOWARD THE WEST SIDE OF THE SITE. ONCE THERE, HE COULD SEE THAT THE F ORMS AND LOAD LINE WERE TOO CLOSE TO THE POWER LINES. HE RUSHED TO THE FORMS IN AN ATTEMPT TO PUSH THE THEM AWAY FROM THE POWER LINES, SIGNALING THE CRANE OPERA TOR TO MOVE THE LOAD AWAY AS WELL. HOWEVER, AS THE LOAD WAS LIFTED, THE CRANE CO NTACTED ONE OF THE POWER LINES. ONE OF THE EMPLOYEES HANDLING THE LOAD WAS ELECT ROCUTED; THE OTHER TWO (INCLUDING THE SIGNALMAN) RECEIVED ELECTRIC SHOCKS AND BU RNS FOR WHICH THEY WERE HOSPITALIZED.
Data sourced from Minnesota Department of Labor & Industry, Minnesota Attorney General, federal OSHA, and municipal permit offices. Records are public and may not reflect pending appeals or corrections.