Injured by slipping or swinging object held by injured worker · Amputations
At a glance
Federal OSHA recorded a severe workplace injury
at HPS Mechanical, Inc., China Lake Naval Weapons Center, RIDGECREST, CALIFORNIA 93555
on — Amputations, affecting the finger(s), fingernail(s), n.e.c..
Final narrative
An employee was performing plumbing work on a roof. While drilling a hole in the roof, the drill's chuck caught the employee's glove and his little finger was twisted around the shaft and amputated at the knuckle.
An employee was using a saw to cut a piece of concrete when the piece gave way and pushed the saw into the employee's leg. The employee's leg was lacerated, requiring stitches and hospitalization.
An employee was grinding some hardfacing on a bulldozer blade when the 9-inch grinder kicked back and lacerated his left leg above the knee. The employee was hospitalized and required surgery.
An employee was operating a rotating tool to place thread protectors on the end of pipe. Her left hand was on the rotating part of the tool when the tool engaged, resulting in a left forearm fracture and a thumb laceration.
More severe injuries in this industry (NAICS 237110)
An employee was moving a tensile strength test device with a dolly. The device fell from the dolly onto the employee's right leg, causing a compound fracture.
On October 7, 2025, employees were conducting trenching operations for the installation of a new sewer line system. The excavator's bucket was detached and put inside the trench as it was being exchanged for a different-sized bucket. An employee entered the trench with a shovel to move some dirt located at the front end of the pipe. The excavator bucket shifted and slid, striking the employee s right foot and trapping it against the ground. The employee sustained a fractured right tibia.
Employees were working to dislodge a large truck that was stuck in a rut using tow straps and a front-end loader with the bucket removed. An employee connected the straps to the loader and truck and another employee slowly engaged the loader to close the coupler. The injured employee's arm became caught in a pinch point. The employee was hospitalized with a fractured arm.
An employee was lifting a piece of 30-inch line stopping equipment using a jack screw. A lifting eye weld snapped and the load dropped. The end of the jack screw then landed on the employee's heel and crushed it. The employee was hospitalized.
The injured employee was assisting a Department of Homeland Security (DHS) enforcement operation. During an apprehension, officers returned fire at a subject and struck the employee with a bullet. The employee sustained a gunshot wound to their right hand.
The injured employee was assisting in the disassembly phase after a radar array had been lowered and secured. The crew began removing load bearing pins from an overhead crane to free the radome. A load bearing pin was stuck. The injured employee went to remove the pin manually as a second team member applied pressure from the opposite side. The pin unexpectedly released and struck the injured employee s right thumb, resulting in partial amputation of the distal phalanx including an open distal phalanx fracture and nail bed laceration.
At about 3:10 p.m. on October 3, 2025, an employee was inspecting a car. Two dogs that had been in another car were leashed and tethered to a bollard. As the employee inspected the first car along with a narcotics detection dog, one of the other dogs came loose and attacked the narcotics dog. The employee was separating the dogs when the other dog bit his left ring finger. The last joint of the finger was injured and part of it was bitten off.
An employee was preparing a bundle of green onions for chopping. While holding the bundle in his left hand, he made his first cut using a 9-inch kitchen knife held in his right hand. The knife contacted the tip of his left thumb, resulting in an amputation of approximately 0.5 inches of the thumb that required hospitalization.