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### Inspection Detail

**Case Status: CLOSED**

#### **Inspection: 1490062.015 - Wyoming Department Of Transportation**

**Inspection Information - Office: Wyoming**

 

**Inspection Nr**

**Report ID**

**Date Opened**

----

**Site Address**: 			   Wyoming Department Of Transportation			   Mp 13.5 Wyo 22Jackson, WY 83001

**Mailing Address**: 			   5300 Bishop Blvd, Cheyenne, WY 82009

**Union Status**: NonUnion

**SIC**:

**NAICS**: 921190/Other General Government Support

----

**Inspection Type**: Fat/Cat

**Scope**: Partial

**Advanced Notice**: N

**Ownership**: StateGovt

**Safety/Health**: Safety

**Close Conference**: 08/26/2020

**Emphasis**:

**Case Closed**: 06/08/2021

----

**Case Status: CLOSED**

#### **Investigation Summary**

**Investigation Nr**

**Event**

At 2:00 p.m. on August 24, 2020, an employee was working for a state department of transportation. She was operating a 2009 Superior Broom model DT80CT road sweeper at a highway construction project on a state highway. She parked the road sweeper on a pullout and turned it off. She parked the sweeper backward on a 5 percent grade, with the front higher than the rear. She set the parking brake at seven clicks instead of ten clicks (which would have been fully engaged) and did not place the wheel chocks. She was talking with a coworker, who was using a fire hose connected to a water tank truck and cleaning a sand trap. The sweeper began to roll backward down the incline. It struck the employee, missed the coworker, hit and bent four steel delineator posts, crossed the highway, and came to a stop only when it crashed into the side of the mountain on the other side. The employee was killed.

**Keywords:**brake, brake failure, chock, construction, equipment operator, highway, highway shoulder, highway work zone, lockout, road, road paving, slope, sloping, steep grade, struck by, training
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