Holcim (US) Inc-Ada Plant — Accidents
Total: 164 accidents | Fatalities: 0
| Date | Classification | Injury | Days Lost | Narrative |
|---|---|---|---|---|
| 12/29/2025 | POWERED HAULAGE | DAYS RESTRICTED ACTIVITY ONLY | 9d restricted | Employee was backing away from dryer crusher and their elbow got caught on the clamshell door and when it did it put their wrist in a bind around the control lever guard of the walk behind skid steer... |
| 12/18/2025 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 8d lost | Employee's finger was crushed while attempting to remove a piece of rubber from a conveyor |
| 10/12/2025 | FIRE | ACCIDENT ONLY | None | A small grass fire started at the Quarry due to unknown reasons. There where no employees working at the time of the fire and Local fire department extinguished the fire after being called by an indiv... |
| 10/01/2025 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted | While attempting to cut a conveyer belt to replace it. the Cutting wheel a Maintenance Tech was using jumped forward causing it to strike there thumb. |
| 09/22/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | None | On 9/22/2025 While attempting to open a door that was stuck employee felt a pain in their elbow. Employee chose not to be evaluated at the time and do first aid measures on their own. On 10/27/2025 em... |
| 09/12/2025 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employee was using a poker bar during a gypsum starvation when material shifted pinching left hand between poker bar and bin chute. Employee went to the doctor on 9/15 was released to full work duty b... |
| 07/25/2025 | FIRE | ACCIDENT ONLY | None | A fire developed under a alternative fuel (shredded tires) conveyor due to a piece of rebar accidently being added into hoppers and causing friction at the scavenger conveyor. |
| 06/30/2025 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted | Employee was walking down incline and slipped but did not fall. Employee then felt back pain. |
| 05/15/2025 | IGNITION OR EXPLOSION OF GAS OR DUST | ACCIDENT ONLY | None | While commissioning a tire chip rotary feeder, the fire protection system detection wire burned up, causing the system to shut down on interlocks. Employee in the area reported hearing a loud pop, fee... |
| 05/06/2025 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 31d restricted | Maintenance employee was using a pipe wrench to loosen a drain plug when they felt a strain in their shoulder. |
| 03/12/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 220d lost | An employee lifted a bucket of dust to top of handrail and as they lowered the bucket of material, the employee felt a pull or strain in their right shoulder. First aid until 3/14/2025 when they recei... |
| 08/07/2024 | DISORDERS (PHYSICAL AGENTS) | OCCUPATNAL ILLNESS NOT DEG 1-6 | 1d restricted | Employee was cleaning in the plant and realized that they had stopped sweating and felt ill. |
| 07/19/2024 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 8d lost, 143d restricted | Maintenance employee was lifting a piece of shaft stock with the help of another technician. |
| 06/19/2024 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 6d lost, 77d restricted | EE suffered a bicep strain while descending down a fixed ladder |
| 06/07/2024 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 121d restricted | EE states they were using a poke bar in a silo to break up chunks of material. EE had shoulder pain and was treated as first aid until 07/01/2024 until they were diagnosed with a collar bone fracture. |
| 05/01/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employee cut their left ear on a piece of metal while cleaning in the area, resulting in 7 stitches. |
| 02/27/2024 | HANDTOOLS (NONPOWERED) | DYS AWY FRM WRK & RESTRCTD ACT | 74d lost, 86d restricted | On 2/27/24 EE was taking 2"" valve loose from water line pipe wrenches. In process of loosening the valve, the employee felt their left shoulder pop. This was a First aid until 3/12/23 when seen by Dr... |
| 02/04/2024 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None | EE was using a bar to clear blockage, a large chunk of material fell from within the silo striking the bar. Bar struck EE in the face, causing laceration in mouth. Prescription antibiotic given at ER,... |
| 01/23/2024 | OTHER | INJURIES DUE TO NATURAL CAUSES | 4d lost | Employee reported to work and began complaining of chest pains. Employee was diagnosed with esophageal spasms, not work related. Spoke to Norman, OK Field office supervisor who advised to complete 70... |
| 09/05/2023 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 128d lost, 26d restricted | Employee was about to take first step down stairs, a puff of dust went across EE's face. As EE turned their head to cough, EE misstepped or missed it completely and landed on the second step with thei... |
| 02/06/2023 | SLIP OR FALL OF PERSON | ALL OTHER CASES (INCL 1ST AID) | None | Quarry employee reports was putting rollers on, bent over, slipped, and twisted their back causing pain to their lower back. Injury was considered a first aid until 2/20/2023 when employee was given a... |
| 12/22/2022 | MACHINERY | DYS AWY FRM WRK & RESTRCTD ACT | 75d lost, 271d restricted | Material/hot gasses exited the feed hood and burned the supervisor in the face/hand and also projected dust into the supervisor's eyes. Supervisor was wearing standard safety glasses and cold weather... |
| 10/17/2022 | SLIP OR FALL OF PERSON | ALL OTHER CASES (INCL 1ST AID) | None | Fatality occurred at Ada plant site from a fall from raw silos. Cause is undetermined at this time. |
| 10/06/2022 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employee was walking from the brick shed to the garage through the west entry door. While shutting door, the employee pinched their right index finger in the door jam and door. |
| 06/09/2022 | MACHINERY | DYS AWY FRM WRK & RESTRCTD ACT | 4d lost, 15d restricted | Operator backed CAT D9T dozer over 38ft highwall. Operator suffered separated shoulder, bruises, etc. |
| 01/13/2022 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 212d restricted | Maint tech injured shoulder while lifting a bucket onto a bucket elevator. Injury was treated with first aid (ice, otc) until 2/23/2022 when physical therapy was prescribed. |
| 10/28/2021 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 63d lost | Crew was lowering material down to the employee with a bucket and a rope. The handle of the bucket broke and fell, bouncing off of the wall and striking the employee. When the bucket struck EE, it kno... |
| 09/14/2021 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 20d restricted | Maint. employee strained right shoulder while pulling on a piece of belt conveyor while it was being changed. Given muscle relaxers and placed on light duty. |
| 07/27/2021 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 145d restricted | Warehouse tech was lifting a roll of belt skirting and as they set it down, it bounced, causing their left pinky to become smashed and dislocated. |
| 06/28/2021 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 10d restricted | Mechanic changing starter on vac truck. Starter fell and crushed left pinky finger between frame and starter. Required splint, antibiotics, and restricted duty. |
| 05/21/2021 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted | Quarry technician was using air lance to clean out a grizzly. Employee felt minor discomfort in lower back until 5/23/21 when seen by a doctor and placed on restricted duty and given meds. |
| 01/05/2021 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 88d lost, 68d restricted | Employee was removing a dust collector bag, it became stuck, as EE tugged harder, had a pop in shoulder. Self-care measures did not help, seen by dr on 1/11/2021, injection and restricted duty. |
| 03/20/2020 | HANDTOOLS (NONPOWERED) | DYS AWY FRM WRK & RESTRCTD ACT | 393d lost, 220d restricted | Employee was changing a 2"" ball valve and reported that they felt a slight pain on the right part of their back. Self care measures were not effective and on 3/24/2020 employee was seen by physician... |
| 02/16/2020 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None | EE was cutting a hole in a piece of belt. Knife slipped and cut palm of right hand, requiring sutures. |
| 12/05/2019 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 11d restricted | Maintenance EE installing lagging on a head pulley. EE lying between belts on left side. EE stated that when they went to crawl out, they noticed pain in the right shoulder between the top of the shou... |
| 09/09/2019 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employees were working to unplug the gas conditioning tower. Employee got dust in EE's eyes, diagnosed with scratched right cornea, given eye drops. |
| 08/21/2019 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employee was moving a 12' jackhammer bar during a downtime. As the employee was moving the bar, the tail end of the bar struck dryer crusher, which caused the employee's left wrist to be bent sideways... |
| 06/10/2019 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 10d lost | Independent Contractor Driver accessed flatbed trailer while away from tarping station. Driver lost footing and fell to the ground from top of bags on flatbed cement trailer. |
| 03/28/2019 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 45d lost | Maint employees were removing a large cracked bearing from the dryer crusher shaft. As the outer race was moving outward, it released suddenly, and rotated. Due to its damage, the ee's hand was caught... |
| 02/14/2019 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employee walking on silo roof fell, at the same level, to their knees fracturing left patella. While walking employee leaned down to pick up plastic debris. Did not notice it was wired to heavier obje... |
| 01/03/2019 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | 64d restricted | Employee was diagnosed with Carpal Tunnel on both wrists. |
| 01/03/2019 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None | Lab EE slipped/fell in muddy area between the baghouse and MCC. The EE fell and landed on left side. At the time of the incident, EE said they had no injury from fall. Later the EE developed left shou... |
| 11/09/2018 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 12d lost, 116d restricted | Employee was rolling a CO2 bottle using a cart dolly down an incline ramp by the preheater elevator when EE slipped and landed on EE's right knee and shoulder. Shoulder did not get better over time, a... |
| 10/06/2018 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 36d restricted | While attempting to remove a mill liner bolt, using a rivet buster, the rivet buster struck the employee's right wrist while maneuvering a manlift. X-rays showed no fracture, but prescription given on... |
| 09/25/2018 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 16d restricted | Employees were attempting to pick up a roll of 3/4"" air hose and one employee suffered a lower back strain. |
| 05/30/2018 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 24d restricted | The employee was holding a bolt with a 1 5/8 inch wrench while another employee was torquing the nut. The wrench the employee was holding on the bolt slipped off as the nut was started to get torqued.... |
| 05/03/2018 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 18d restricted | Employee was adjusting a saw horse that had a lever and could be moved up and down. EE reports that EE jerked on it because it was stuck and when EE did EE felt a sharp pain in EE's upper back betwee... |
| 03/20/2018 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 119d restricted | Employee was working inside a silo on an engineered scaffold platform. There was an opening between the outside of the silo wall and the scaffold platform where it was constructed around an obstructio... |
| 03/04/2018 | STEPPING OR KNEELING ON OBJECT | DYS AWY FRM WRK & RESTRCTD ACT | 35d lost, 69d restricted | Lab employee stepped backwards after grabbing the samples for raw meal and stepped into the pier of an I-beam. Employee suffered a fractured left ankle. |
| 02/28/2018 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 8d restricted | Electrician was using retractable box knife to remove tape from motor lead. Electrician cut palm of right hand, requiring 9 stitches. |