OSHA Accident Investigation · Summary #221747397

QUALITY 1ST BASEMENT SYSTEMS, INC.

CATONSVILLE, MD— 2025-02-28T00:00:00

Event: Arm, Building, Building Collapse, Cementing, Collapse, Construction, Crushed, Digging, Engineering Controls, Falling Object, Fracture, Hand Tool, Head, Laborer, Lack of Engineering Controls, Misjudgment, Misjudgment of Hazardous Situation, PPE, PPE Hazard Assessment, Residential Construction, Struck By, Structural Collapse, Trench, Trench Box, Unsafe Position, Unstable Surface, Wall
NAICS: 238990
Inspection type: Federal Agency
Activity number: #348074907
Employer profile: QUALITY 1ST BASEMENT SYSTEMS, INC.
Summary number: 221747397
Report ID: 0352470
Project type: B
Construction end-use: A

Event description

Two employees are fatally injured when struck by falling fie

Investigation abstract

At 11:30 a.m. on February 28, 2025, Employee #1 and Employee #2 and Coworker #1 Employee #2 took Coworker #3's place. The foundation wall excavated and dug underneath the wall using shovels and a rotary hammer to create a concrete foundation. No cave-in protection or shoring was used. The eastern side of the wall fell into the trench striking Employee #1 and Employee #2, fatally injuring both employees. and Coworker #2 , were applying CTS Cement Rapid Set Mortar Mix on an exposed fieldstone foundation wall to reinforce the deteriorating wall. The crew was working inside a trench that was approximately 34-foot-long by 3-foot-wide by 6-foot-deep in type C soil. Employees #1 and Employee #2 were working in the eastern side of the trench while Coworker #1 and Coworker #2 were working in the southern side of the trench. Coworker #3, was also working inside the the eastern side of the trench, but was tasked to dig below the base of the foundation wall. Coworker #3 exited the trench and either Employee #1 or

Victims (2)

#1 Fatality Age 32 M

Event type
1

Occupation code
7010
#2 Fatality Age 24 M

Event type
1

Occupation code
869

Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.