STANDARD + VR Construction and EPC · United States Updated October 13, 2026

Confined Space Entry VR Training for Construction (OSHA 1926 Subpart AA)

VR permit space training for construction under OSHA 1926.1200 to 1926.1213: site evaluation, air testing order, entrant, attendant and supervisor duties, and rescue.

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OSHA's construction confined space rule (1926 Subpart AA) requires a competent person to evaluate the site, a permit system for permit spaces, and training for entrants, attendants and entry supervisors under 1926.1207. A VR scenario lets each role practice the permit, air testing and rescue decisions inside a vault or manhole that would be dangerous to use for training.

What the Rule Requires

29 CFR 1926.1207, Training: the employer must train each employee whose work is regulated by the standard so that the employee has the understanding, knowledge and skills to do the work safely, before the first assignment, before a change in duties, when a new hazard appears, and when the employer has reason to believe procedures are not being followed. The training must be certified with the employee name, trainer signature and dates.

Subpart AA differs from the general industry rule in ways that matter on site: it adds coordination duties between controlling contractors and host employers, and it leans on continuous atmospheric monitoring and early-warning systems for engulfment hazards when conditions allow. The scenario uses a utility vault with a pump, a dropped atmosphere and two contractors working nearby.

Hazards in This Scenario

Oxygen deficiency or enrichment
Flammable and toxic atmospheres that change during the job
Engulfment from upstream flow or material
Rescue delays when attendants try to enter

The Procedure the Scenario Rehearses

Review the competent person evaluation and the permit
Test the atmosphere in order: oxygen, then flammables, then toxics, at several levels
Ventilate and isolate energy and upstream sources
Assign entrant, attendant and entry supervisor and confirm communication
Confirm rescue service availability and retrieval equipment
Enter with continuous monitoring and exit on any alarm

Mistakes the Scenario Is Built to Catch

Testing only at the opening rather than at several depths
Attendant entering to help a collapsed entrant
Signing a permit before rescue is confirmed
Not telling the other contractor that entry is underway

Competence Assessment Matrix

Decision point	What the assessor sees	Pass standard
Atmospheric testing	Order and depth of tests	Oxygen first, then flammables, then toxics, at several levels
Permit review	Whether all hazards and controls are on the permit	Permit complete before entry
Attendant response	Response to entrant distress	Summons rescue and uses retrieval, does not enter
Exit decision	Response to an alarm	Immediate evacuation

What VR Covers

Realistic vault and manhole entry without exposure
Each role practiced: entrant, attendant and entry supervisor
Changing atmosphere events during the job
Training certification records per learner and role

What VR Does Not Replace

Hands-on calibration and bump testing of your gas monitors
Rescue drills with your actual tripod and winch
Site-specific evaluation by the competent person

Scope of a One-Scenario Pilot

A pilot builds this scenario as a single module, in Unity or Unreal Engine depending on the visual fidelity the task needs and the headsets on site. It runs on standalone headsets, logs every learner decision, and exports a per-person record for your training file. It is measured against your current method with a test cohort before anything is scaled.

Frequently Asked Questions

Does the construction confined space rule differ from general industry?

Yes. 1926 Subpart AA adds multi-employer coordination, requires a competent person site evaluation and emphasizes continuous monitoring and early-warning systems.

Who needs training under 1926.1207?

Every employee whose work is regulated by the standard, including entrants, attendants and entry supervisors, with certified records.

Can rescue training be done in VR?

VR can train the decisions and sequence. Physical rescue practice with your equipment is still needed, and rescuers must practice at least once every 12 months.

Want this scenario built around your site?

We review your current procedure and tell you which parts can be rehearsed in VR and which still need hands-on practice.

Map Your Highest-Risk Scenario

VR scenario designs related to confined space training construction

Proposed practice scenarios and checklist guides built around specific tasks. Each one lists what VR does not replace.

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