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newSchoolWorks.com › VoTechWorks › Building & Construction › Elevator Mechanic (pre-apprentice) › Universal Core: Safety, Math, Communication & Career for Elevator Mechanics › Lesson 3
BLD-ELEV10-01 · Lesson 3 · 8 clock hours · lab

First Aid, CPR & AED

Objective. Students will perform hands-on CPR (adult and child), AED operation, and basic first-aid procedures—including bleeding control and suspected musculoskeletal injury management—to the standard required for American Heart Association or American Red Cross certification.

⚠ Pending professional review

This lesson, its worked examples and its practice questions has not yet been verified by a licensed professional engineer or master tradesperson or by a certification or approval body. It is a study draft and may contain errors. Do not use it as instructions for work on a job site or on live equipment. Always follow your instructor, your supervising professional, and current official references and regulations.

VoTechWorks program approval and accreditation are still in progress. Credentials are issued only by the certifying bodies named in each program, after their own exams.

Why First Aid Matters in the Elevator Trade

Elevator mechanics work in machine rooms, hoistways, and pits—often alone or in small crews, sometimes far from street-level emergency access. Electrical exposure, falls, and caught-between hazards are real risks. When someone collapses or is seriously injured in a machine room, the people nearby are the first responders. Knowing how to act correctly in the first few minutes can be the difference between life and death.

This lesson prepares you to earn American Heart Association (AHA) or American Red Cross CPR/AED/First Aid certification and to apply those skills in elevator-specific emergencies.

Scene Safety First

Before you touch any victim, the scene must be safe for you. In an elevator context, this means:

Adult CPR with Bag-Valve Mask

Cardiopulmonary resuscitation (CPR) circulates oxygenated blood to the brain when the heart is not beating effectively. For an unresponsive adult with no normal breathing:

1. Check responsiveness — tap shoulders, shout.

2. Activate EMS — call 911 or direct someone to call.

3. Check for breathing — no more than 10 seconds. Absent or only gasping means begin CPR.

4. Compressions — place the heel of one hand on the center of the chest (lower half of the sternum), second hand on top, arms straight. Compress at least 2 inches deep at a rate of 100–120 compressions per minute. Allow full chest recoil between compressions. Minimize interruptions.

5. Ventilations with bag-valve mask (BVM) — after 30 compressions, a trained rescuer applies the mask with a C-E grip, seals it, and squeezes the bag just enough to see the chest rise (about 1 second per breath). Give 2 breaths. Resume compressions immediately.

6. Continue 30:2 cycles until an AED is ready, EMS takes over, or the victim shows obvious signs of life.

Child CPR

Child CPR (ages 1 through puberty) follows the same 30:2 ratio with two rescuers; with one rescuer, the ratio is still 30:2. Key differences from adult CPR:

AED Operation

An Automated External Defibrillator (AED) analyzes the heart rhythm and delivers a shock if indicated. It is safe and designed for lay rescuers.

1. Power on the AED (open lid or press power button).

2. Attach pads to bare, dry skin—one below the right collarbone, one on the left side below the armpit.

3. Allow the AED to analyze. Stop CPR, clear the victim.

4. If a shock is advised, announce "Clear," visually confirm no one is touching the victim, then press the shock button.

5. Immediately resume CPR, starting with compressions.

6. Follow AED prompts every 2 minutes.

Training AED units used in this class behave identically to real units but deliver no actual electrical current.

Bleeding Control

Severe external bleeding can cause death within minutes.

Musculoskeletal Injury Management

Sprains, strains, and suspected fractures are common on construction sites.

OSHA and First-Aid Requirements

OSHA's construction standards (29 CFR Part 1926) require that trained first-aid personnel and adequate first-aid supplies be available at every construction site. Employers must ensure workers have access to prompt medical attention. Elevator mechanic worksites fall under construction industry OSHA standards. Knowing this regulation helps you advocate for proper resources on your jobsite.

Certification Standard

To pass this lesson, you must successfully complete the AHA or American Red Cross CPR/AED/First Aid skills evaluation and written examination to that organization's minimum passing standard. Your instructor will record your certification card issuance. These cards are recognized by employers across the country and are required at many union and non-union elevator jobsites.

Key terms8

CPR (Cardiopulmonary Resuscitation)A life-saving technique combining chest compressions and rescue breaths to maintain circulation and oxygenation when the heart is not beating effectively.
AED (Automated External Defibrillator)A portable device that analyzes heart rhythm and delivers an electrical shock to restore a normal rhythm in cases of sudden cardiac arrest.
Bag-Valve Mask (BVM)A handheld device with a self-inflating bag and face mask used by trained rescuers to deliver ventilations during CPR without mouth-to-mouth contact.
TourniquetA device applied tightly around a limb to compress blood vessels and stop life-threatening bleeding that cannot be controlled by direct pressure alone.
Scene SafetyThe assessment performed before approaching any victim to confirm the environment is free from hazards—such as live electrical current—that could harm the rescuer.
Chest RecoilThe full return of the chest to its natural position between compressions, which allows the heart to refill with blood and is essential for effective CPR.
Lockout/Tagout (LOTO)An OSHA-required procedure for de-energizing and securing equipment before any worker approaches a potentially hazardous energy source, including during electrical-exposure rescue situations.
Direct PressureThe primary bleeding-control technique of pressing firmly on a wound with a clean cloth or gauze to slow or stop blood loss.
In class: Skills stations rotated in groups of three: adult CPR with bag-mask, child CPR, and AED scenario (manikins, training AED); each student completes a minimum of two full cycles at each station. · Bleeding-control station: students apply direct pressure and, using a commercially available tourniquet trainer, apply a tourniquet to a simulated extremity wound and record application time. · Elevator-specific rescue scenario tabletop: a worker is unresponsive in a machine room after electrical exposure—students verbally sequence the actions (do not touch, verify scene safety, call 911, begin care) and identify which OSHA regulation governs first-aid availability on construction sites.
Materials: Adult and child CPR manikins (one per two students); training AED units; bag-valve masks; gloves (nitrile); commercial tourniquet trainers; bandaging supplies; AHA or Red Cross course materials and certification cards.
Check: Students must pass the AHA or Red Cross CPR/AED/First Aid skills check and written test to the certifying organization's standard (typically 80% written and demonstrated competency on each skill). Instructor records certification card issuance.

Practice check8

Answer each question, then check it. Nothing is recorded; this is your own practice.

Safety and Emergency Response
1. A co-worker is found unresponsive on the machine room floor next to an open electrical panel. What is your FIRST action?
CPR and Emergency Cardiac Care
2. During adult CPR, what is the correct compression depth and rate?
AED Operation and Safety
3. When operating an AED, what must you do immediately before pressing the shock button?
Bleeding Control and First Aid
4. A worker has severe bleeding from a forearm wound that is not controlled after firm direct pressure. What is the next appropriate action?
CPR and Emergency Cardiac Care
5. Which CPR compression-to-ventilation ratio applies to both adult and child CPR performed by a single trained rescuer?
First Aid and Injury Management
6. A co-worker twists his ankle in the hoistway and you suspect a sprain or fracture. Which action is correct?
Regulatory Compliance and Worksite Safety
7. Under which OSHA standard are elevator mechanic worksites on new construction projects regulated regarding first-aid availability?
CPR and Emergency Cardiac Care
8. During the elevator machine-room rescue scenario, a worker is unresponsive after confirmed electrical exposure. After verifying scene safety and calling 911, you determine the worker has no normal breathing. Which sequence correctly describes the next steps?
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