Marathon Texas City Safety Critical

Course Information

Marathon Texas City Safety Critical is the site-specific course on safety critical topics for the Marathon Refinery facility in Texas City, TX. The purpose of this orientation is to inform the contractor workforce at the Marathon Texas City Refinery with an overview of safety Critical topics.

1) Students must have a currently valid ARSC card (BOP/BOPR) prior to taking this course.

2) Contractor must be on Marathon’s Authorized Contractor List.

3) Prior to taking this course, the student must have successfully completed course 07MO – Marathon Texas City Site.

4) The student MUST successfully complete courses 07MO – Marathon Texas City Site, 07GBRHF Marathon GBR HF Alky3 (if working in the HF Acid unit), course 07MO-SC Marathon Texas City Safety Critical, and course 07MOF2F prior to facility entry.

5) Students will receive the course codes on a KCUC-issued card once the 07MOF2F course has been successfully completed.


Recommended For

All construction and contracted maintenance and services personnel who will be working at this site.


Course Content

This course includes review of the following topics:

  • Work Permitting
  • Energy Isolation
  • Confined Space Entry
  • Hot Work / Fire Watch
  • Excavation



  • Computer training

    $35 Member / $40 Non-Member

  • Classroom instruction

    Not available for classroom instruction.


Course Details

Course Code: 07MO-SC
Course Length (approx.): 30 Minutes plus Test
Course Expiration: 1 Year from Class Date
Passing Score Required: 80%
Retakes Allowed: Yes, and must pay for each retake
Language: English
Reader Assistance Allowed: No
ID Requirements: Students must present a valid (not expired) U.S. State or Federal ID with photo and separate Social Security card if the SSN is not on the ID


Valid ARSC Card (BOP/BOPR): Yes
Social Security Verification (SSV): Yes
Other: Yes – see requirements for Marathon’s Authorized Contractor List           
Background Check: Yes – must complete a Graded Background Check from either S2Verify or First Advantage with a grade of 00 to 02


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