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SALT LAKE CITY (AP) - Two avalanche-safety workers will be disciplined for misfiring a 105 mm howitzer and sending a round into a backyard last week, state officials said Friday.
The March 24 explosion would not have happened if the workers had followed state procedures, said Carlos Braceras, Transportation Department deputy director.
The two workers, who were not identified, were trying to set loose an avalanche before it could rip down onto U.S. Route 189 in Provo Canyon, but they sent the shell sailing with too much propellant and overshot the steep slope.
The round was supposed to travel fewer than 3,700 metres, but instead flew about 8,200 metres.
No one was injured, but the shell left a crater in a backyard and sent shrapnel flying into a house.
The exact punishment had not been determined, but the workers will not be dismissed, department spokesman Tom Hudachko told The Associated Press. He declined to name the workers.
The department fires about 550 rounds a year and said the mishap was the first in the 22 years it has used howitzers for avalanche control.
It suspended howitzer use in Provo Canyon for the season while it reviews procedures. Any charges needed for spring snow will be dropped by hand from helicopters.
The March 24 explosion would not have happened if the workers had followed state procedures, said Carlos Braceras, Transportation Department deputy director.
The two workers, who were not identified, were trying to set loose an avalanche before it could rip down onto U.S. Route 189 in Provo Canyon, but they sent the shell sailing with too much propellant and overshot the steep slope.
The round was supposed to travel fewer than 3,700 metres, but instead flew about 8,200 metres.
No one was injured, but the shell left a crater in a backyard and sent shrapnel flying into a house.
The exact punishment had not been determined, but the workers will not be dismissed, department spokesman Tom Hudachko told The Associated Press. He declined to name the workers.
The department fires about 550 rounds a year and said the mishap was the first in the 22 years it has used howitzers for avalanche control.
It suspended howitzer use in Provo Canyon for the season while it reviews procedures. Any charges needed for spring snow will be dropped by hand from helicopters.