📚 Guide by Safety Mom · Allstar Enviro Safety — The Confined Space Entry Supervisor is an online workplace safety course delivered by Safety Mom · Allstar Enviro Safety, Calgary’s Energy Safety Canada Authorized Training Provider. Self-paced, mobile-friendly, same-day certificate upon exam completion. Available across Canada.
🔗 Related Safety Mom courses & guides: Confined Space Entry Calgary · H2S Alive Calgary · Oil Sands Safety Certs · Instructor: Arliss Levine, CRSP, CHSC
COURSE OVERVIEW
This lesson is designed for confined space entry supervisors, who play an integral role in ensuring the safety of teams entering permit-required confined spaces. This lesson provides an overview of a confined space entry supervisor’s responsibilities and details the hazards, control measures, permitting, and rescue operations they must know to help keep entrants safe.
COURSE TOPICS
Course topics:
1. Recognize the duties and responsibilities of confined space entry supervisor.
2. Identify hazards and how to verify control measures.
3. Recall your responsibilities to facilitate rescues.
ONLINE COURSE DURATION
Approximately 30 minutes
PASS MARK
A mark of 80% must be achieved in order to receive a certificate of completion. Participants are able to repeat the course twice if the pass mark is not achieved.
CERTIFICATE OF COMPLETION
Upon successful completion of this online course, a certificate of completion will be available to download and print.
Additional Safety Knowledge
What Alberta OHS Defines as a Confined Space
Alberta OHS Code Part 5 defines a confined space as an enclosed or partially enclosed space that is not designed for continuous human occupancy, has limited or restricted entry, and could contain a hazardous atmosphere, engulfment hazard, entrapment hazard, or any other recognised serious safety or health hazard. Examples include storage tanks, sewers, silos, pipelines, boilers, vaults, tunnels, manholes, pits, and process vessels.
Atmospheric Testing Before Entry
Before any entry, a competent worker must test the atmosphere in this order: oxygen, flammability, then toxicity. Acceptable atmospheric parameters:
- Oxygen: 19.5–23.0% by volume. Below 19.5% is oxygen-deficient; above 23% is oxygen-enriched (fire risk).
- Flammable gas/vapour: less than 10% of the lower explosive limit (LEL).
- Toxic substances: below the applicable occupational exposure limit (H2S below 10 ppm, CO below 25 ppm in Alberta).
Continuous monitoring is required for the duration of the entry. Any change in reading requires immediate evacuation and re-assessment.
Entry Roles: Entrant, Attendant, Supervisor
Every confined space entry needs three defined roles. The entrant performs the work inside. The attendant stays outside, maintains constant visual or communication contact, monitors atmospheric readings, and initiates rescue — but never enters. The entry supervisor authorises the entry, verifies all controls are in place, and terminates the entry when conditions change. In Alberta, the attendant cannot leave the post while any worker is inside.
Confined Space Entry Supervisor — Rescue Planning
OSHA data shows more than 60% of confined space fatalities are would-be rescuers who entered without proper training or equipment. Non-entry rescue (retrieval systems, tripods, winches) must be planned wherever practical. If entry rescue is required, a trained rescue team with SCBA, communications, and defined rescue procedures must be on-site or immediately available before entry begins.
Content reviewed by Arliss Levine, CRSP, CHSC — lead safety instructor at Safety Mom · Allstar Enviro Safety Calgary, an Energy Safety Canada Authorized Training Provider.
