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Jump to Overview MAI-2008-04
DEPARTMENT OF LABOR MINE SAFETY AND HEALTH ADMINISTRATION REPORT OF INVESTIGATION Surface Nonmetal Mine (Sand and Gravel) Fatal Other (Drowning) Accident January 23, 2008 Dartmouth Sand and Gravel Dartmouth Sand and Gravel Hoisington, Barton County, Kansas Mine ID No. 14-01501 Investigators Daniel C. Stevenson Mine Safety & Health Inspector Kenneth Valentine Mine Safety & Health Inspector Dale Ingold, P.E. General Engineer Originating Office Mine Safety and Health Administration Rocky Mountain District P.O. Box 25367, DFC Denver, CO 80225-0367 Richard Laufenberg, District Manager OVERVIEW
On January 23, 2008, Robert L. Deines, owner, age 64, was fatally injured while adjusting a pump on a dredge. There was no conclusive evidence to determine the cause of the accident. Although there were no witnesses, apparently the victim fell into the water and drowned. He was not wearing a life jacket where there was a danger from falling into the water. GENERAL INFORMATION
Dartmouth Sand and Gravel, a surface sand and gravel dredge operation, owned and operated by Dartmouth Sand and Gravel, was located in Hoisington, Barton County, Kansas. The principal operating officer was Robert Deines (victim). The mine was idle and had not produced material since October 2007. Total employment was two persons. Sand and gravel was mined with a water-jet suction dredge. The material was pumped to a screen plant on shore where it was sized and separated. The finished product was stockpiled and the reject material was returned to the dredge pond. The finished product was sold for use as construction aggregate. The last regular inspection of this operation was completed on September 11, 2007. DESCRIPTION OF ACCIDENT
On January 23, 2008, Robert L. Deines (victim) and Kirk Deines, truck driver (victim's son), arrived at the mine site at 10:30 a.m. R. Deines began repairing a pump on the dredge. The pump on the dredge had been replaced and additional work was necessary to start and test the dredge for future production. K. Deines left the mine to deliver a truck load of sand locally. He returned about 11:45 a.m. and saw R. Deines still working on the dredge. About 12:00 p.m., K. Deines left the mine to deliver another truck load of sand. Shortly after R. Deines contacted him by cell phone to report that the pump was operating and producing sand. At 2:00 p.m., K. Deines returned to the mine but could not locate his father. He looked around the entire area and called the victim's cell phone several times. K. Deines then called his mother. Mrs. Deines had not spoken to her husband. K. Deines then called for emergency rescue personnel. At 2:52 p.m., a local dive team arrived and searched for the victim. K. Deines explained that they were having problems with the suction head on the dredge and his father may have fallen into the water. The divers then searched that area and located the victim in 15 feet of water. He was transported to a local hospital and was pronounced dead at 4:42 p.m. by the attending physician. The cause of death was drowning. INVESTIGATION OF ACCIDENT
The Mine Safety and Health Administration (MSHA) was notified of the accident at 5:26 p.m. on January 23, 2008, by a telephone call from Kirk Deines, truck driver, to the National Call Center. Michael Dennehy, assistant district manager, was contacted and an investigation was started the same day. An order was issued under the provisions of Section 103(k) of the Mine Act to ensure the safety of the miners. MSHA's accident investigation team traveled to the mine, made a physical inspection of the accident scene, interviewed an employee, and reviewed conditions and work procedures relevant to the accident. DISCUSSION
Location of the Accident The accident occurred on the dredge which was located near the northwest shore of the dredge pond. Dredge The investigators were unable to safely access the dredge so the investigation was conducted from the shore. The boat used to access the dredge was not at the mine site. Apparently the victim accessed the dredge by stepping from the shore onto the discharge pipe float. The dredge was fabricated locally. The dredge deck was approximately 30 feet long and 25 feet wide. It was powered by a mounted diesel engine and generator located in the middle of the dredge deck. Sand and gravel was dislodged from the underwater bank by a water jet suction head powered by a water pump mounted on the dredge deck. The 9-inch suction pipe extended approximately 15 feet from the edge of the dredge deck. The dredge discharge pipe was mounted on two floats constructed of pieces of wood nailed together and plastic barrels. The float nearest the dredge was approximately 11.3 feet by 11.6 feet with a plywood deck under a 9-inch discharge pipe. The float nearest the shore was approximately 7.3 feet long and 5.3 feet wide and was not covered. The dredge was facing towards the south. A 9-inch discharge pipe carried the materials from the dredge to the screen plant where the processed sand fell below the screening plant. The reject fines were returned to the pond. Weather The weather on the day of the accident was 19 degrees Fahrenheit with calm winds. The pond was iced over except immediately around the dredge. The water temperature at the time of the investigation was 43 degrees Fahrenheit. Training and Experience Robert L. Deines had 24 years of mining experience and had received training in accordance with 30 CFR, Part 46. ROOT CAUSE ANALYSIS
A root cause analysis was conducted. There was no conclusive evidence to determine the cause of the accident. CONCLUSION
There was no conclusive evidence to determine the cause of the accident. Although there were no witnesses apparently the victim fell into the water and drowned. He was not wearing a life jacket where there was a danger from falling into the water. ENFORCEMENT ACTIONS
Order No. 6422266 was issued on January 23, 2008, under the provisions of Section 103(k) of the Mine Act:
Robert L. Deines was a sole proprietor. Upon R. Deines' death the sole proprietorship ceased to exist and there was no entity to cite for any violation of mandatory safety standards attributable to R. Deines. Related Fatal Alert Bulletin: APPENDIX A
Persons Participating in the Investigation Dartmouth Sand and Gravel
Thomas Fischer ............... deputy
Kevin Keil ............... captain Michael Smith ............... fire fighter
Kenneth Valentine ............... mine safety and health inspector Dale Ingold, P.E. ............... general engineer |
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