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### Inspection Detail

**Case Status: CLOSED**

#### **Inspection: 1444821.015 - Underwater Construction Corporation**

**Inspection Information - Office: Naperville**

 

**Inspection Nr**

**Report ID**

**Date Opened**

----

**Site Address**: 			   Underwater Construction Corporation			   Exelon Lasalle Nuclear 2601 N 21st RdMarseilles, IL 61341

**Mailing Address**: 			   4295 N Roosevelt Rd, Stevensville, MI 49127

**Union Status**: NonUnion

**SIC**:

**NAICS**: 237990/Other Heavy and Civil Engineering Construction

----

**Inspection Type**: Fat/Cat

**Scope**: Partial

**Advanced Notice**: N

**Ownership**: Private

**Safety/Health**: Health

**Close Conference**: 04/16/2020

**Emphasis**:

**Case Closed**: 02/01/2022

----

**Case Status: CLOSED**

#### **Investigation Summary**

**Investigation Nr**

**Event**

On November 12, 2019, at 3:30 p.m., a six-man crew that had been hired to perform a commercial diving job, installing an 18-inch blind flange on a pipe inside a Nuclear Power Plant service water tunnel, were involved in an incident resulting in the death of one of the divers.  Employee #1, an in-water tender, entered the water service tunnel to set up a robust barrier to prevent other divers from entering the area where a pump was required to remain in operation. After Employee #1 reached the floor of the tunnel, he set down a pneumo tube, for recording the diving depth.  He reported the depth to Employee # 2, the project manager.  When Employee #2 attempted to verify the reading, he realized that the diver was unresponsive.  He ordered the up-top tender to attempt communication by tugging on the line.  The diver was still unresponsive. Employee #2 then ordered the primary diver, Employee #3 to enter the space to attempt rescue.  Employee #1 was found trapped in the elbow of a 30-inch pipe. He suffered multiple blunt force trauma and was killed.

**Keywords:**asphyxiated, blunt force trauma, caught by, caught in, clearance, confined space, drown, elbow, engulfed, gear, high pressure pipe, inspecting, installing, lack of oxygen, ladder, pipe
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