Mining Incidents

Alpine Silica-San Antonio Metal/Non-Metal

Alpine Silica, LLC · Surface
Controlada por Pro Frac Holding Corp
San Antonio, Bexar Condado, TX  ·  Activa
ID de mina MSHA: 4105426

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Muertes
1
Incidentes totales
15
Años en registro
2019–2026
Último incidente
Mar 2026

Muertes en esta mina

1 registradas
28 de marzo de 2026 TX · Metal/No metálico Trabajador del acero, Trabajador del hierro, Herrero estructural Muerte · RESBALÓN O CAÍDA DE PERSONA
Alpine Silica, LLC · Caída desde andamios, pasarelas, plataformas

Employee unhooked lanyard and fell through roof resulting in fatal injuries.

Incidentes reportables

14 en archivo (excluyendo las muertes anteriores)

2024 · 5 incidentes

16 de diciembre de 2024 TX · Metal/No metálico Operador de bulldozer, Operador universal, Operador de equipo pesado, Ingeniero operador HERRAMIENTAS MANUALES (SIN MOTOR)
Alpine Silica, LLC · Golpeado por objeto proyectado

Operator was using a 2 pound sledgehammer to remove a worn tooth from an excavator bucket. When the operator hit the worn tooth (one time) with the hammer, a metal shard broke off of the worn tooth and passed through the operator's pants and the top of EE's leather boots before penetrating the operator's left leg, just above EE's ankle.

30 de noviembre de 2024 TX · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
Alpine Silica, LLC · Golpeado por... no clasificado en otra parte

Miner struck by 'clay boulder' when EE crawled into a feed hopper to clear an obstruction. The miner suffered muscle damage requiring hospitalization and medication. Diagnosed with Rhabdomyolysis. No broken bones were found during the examination.

6 de noviembre de 2024 TX · Metal/No metálico Superintendente MANEJO DE MATERIALES
Alpine Silica, LLC · Golpeado contra un objeto fijo

Miner Suffered a laceration requiring 6 sutures to their left arm while removing a dryer expansion joint.

22 de septiembre de 2024 TX · Metal/No metálico Operario de servicios generales, Técnico de turno, Operador de camión de servicio/volteo EXPLOSIVOS Y AGENTES DE FRACTURA
Alpine Silica, LLC · Contacto con objetos o sustancias calientes

Miner suffered 3rd degree burns to the abdomen when a hose popped off the seal pump in the process of removal. Burns required debridement and an allograft.

23 de abril de 2024 TX · Metal/No metálico Capataz de exterior, Cabo HERRAMIENTAS MANUALES (SIN MOTOR)
Alpine Silica, LLC · Golpeado por objeto proyectado

While observing another miner removing teeth from an excavator bucket from approximately 5-6 feet away. The injured miner was struck in the hand by a shard of metal (approximately 4mm X5mm) that broke off of the excavator tooth.

2023 · 3 incidentes

27 de marzo de 2023 TX · Metal/No metálico Capataz de exterior, Cabo MANEJO DE MATERIALES
Monarch Silica, LLC · Golpeado por... no clasificado en otra parte

Miner suffered pinch caused laceration to 5th digit of right hand when latch sprung open from tension on rotex door. Miner was in process of inspecting screens. Laceration required 3 sutures to close wound. Miner returned to work to complete shift.

26 de marzo de 2023 TX · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado HERRAMIENTAS MANUALES (SIN MOTOR)
Monarch Silica, LLC · Golpeado por objeto que cae

Miner suffered crushing laceration to big toe on right foot when a counterweight fell, striking EE's foot. EE was wearing steel toe boots which protected the foot from more serious injury. The miners were in process of changing a belt on wet plant machinery. A come-a-long holding the counterweight slipped allowing the weight to fall.

15 de febrero de 2023 TX · Metal/No metálico Operador de planta de hidratación MANEJO DE MATERIALES
Monarch Silica, LLC · Golpeado contra un objeto fijo

While conducting inspection of a conveyor, they grasped a roller which had a sharp edge causing laceration to their hand which required 5 sutures to close the wound.

2022 · 4 incidentes

29 de julio de 2022 TX · Metal/No metálico Operador de excavadora de cangilones rotativos RESBALÓN O CAÍDA DE PERSONA
Monarch Silica, LLC · Sobreesfuerzo, no clasificado en otra parte

The employee slipped while climbing down from an Excavator's tracks. EE had three points of contact and did not fall but sprained shoulder.

9 de junio de 2022 TX · Metal/No metálico Cargador frontal, Operador de pala-traílla, Operador de traílla, Cargador (payloader), Operador de equipo de traílla TRANSPORTE MOTORIZADO
Monarch Silica, LLC · Golpeado contra un objeto en movimiento

EE was traveling down the main entrance road, with EE's bucket down low and hit a pot hole. EE's bucket contacted the ground and the loader came to an abrupt stop and EE's improperly adjusted seat belt let EE bounce too far forward. EE slammed into the front of the loader causing a concussion (w/o LOC), small forehead cuts, and bruising.

9 de junio de 2022 TX · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo TRANSPORTE MOTORIZADO
Monarch Silica, LLC · Rozado o abrasionado

Employee was adjusting the chain rigging on a dewatering screen motor. They hooked the rigging onto the fork of a skytrac. The skytrac operator did not wait for verbal confirmation or hand signals to begin lifting the load. Employee still had a hand on the chain and received a laceration on right hand ring finger.

1 de abril de 2022 TX · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo TRANSPORTE MOTORIZADO
Monarch Silica, LLC · Golpeado contra un objeto en movimiento

An employee was driving the manlift around the side of the plant to look into one of the main feed hoppers to check for a material cog. A front wheel loader working in the area did not see the manlift and backed into it. This caused the employee to slam into the handrail. This caused a muscle contusion on EE's left leg.

2021 · 1 incidente

19 de marzo de 2021 TX · Metal/No metálico Conductor de camión de acarreo/fuera de carretera/carbón/mineral/mina/cantera/roca/llanta neumática, Conductor de camión de transporte MANEJO DE MATERIALES
Monarch Silica, LLC · Caída a un nivel inferior, no clasificada en otra parte

A truck driver arrived on site around 10:15PM and pulled up to MS, LLC's Safe Rach System to open the sand box hatch. Driver lowered the Safe-Rack cage properly onto the box. While opening the box hatch, Driver slipped and fell into the sand box. Local emergency response used a rescue ladder to help the driver climb out of the sand box.

2019 · 1 incidente

31 de mayo de 2019 TX · Metal/No metálico Operador de excavadora de cangilones rotativos RESBALÓN O CAÍDA DE PERSONA
Monarch Silica, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee was climbing off excavator and slipped in the mud on the ground. Causing a small knee strain.