Home › Level 1 › Unit 1 › Section 3 › 3.6 Selecting Access Equipment
Unit 1 — Workplace Safety and Equipment Management
Section 3 — Access Equipment

3.6 Selecting Access Equipment

Selecting the correct access equipment is as important as using it correctly. An incorrect choice can lead to injury, property damage, or project delays. Every selection must be evaluated against five key factors: application, hazard recognition, load characteristics, safety, and work environment.

Jump to a section

📋Application ⚠️Hazard
Recognition ⚖️Load
Characteristics 🦺Safety 🏢Work
Environment 🗂️Selection
Matrix

3.6.1 Application

Define the work task clearly before selecting any equipment. The nature, duration, and location of the task are the first filters that narrow down the appropriate equipment type.

📋

Questions to Answer Before Selecting Equipment

  • What height must be reached? Determines the minimum working height range required.
  • How long will the task take? Short tasks favour a ladder; extended tasks requiring both hands free favour a scaffold or lift.
  • Is the access location indoors or outdoors? Affects equipment type, power source, and weather exposure requirements.
  • Will tools, materials, or components need to be on the platform? Determines the platform size and load capacity needed.
  • Is the access point fixed or mobile? A fixed location may suit scaffold; a task that moves along a building favours a rolling baker's scaffold or a scissor lift.

3.6.2 Hazard Recognition

All site-specific hazards must be evaluated before equipment is selected. A piece of equipment that is appropriate for one site may be unsafe or unusable at another due to different site conditions.

⚠️

Site Hazard Categories

Overhead Hazards

  • Power lines — minimum clearance distances must be maintained at all times.
  • Low structural beams, sprinkler heads, and exposed ductwork that limit vertical clearance.

Ground Hazards

  • Uneven or soft ground affecting scaffold base stability and aerial lift outrigger footing.
  • Floor drains, grates, trenches, or slopes that may cause equipment to shift.

Environmental Hazards

  • Wind speed — elevated platforms dramatically increase wind loading; work must stop above threshold speeds.
  • Rain and ice increase fall risk on platforms, rungs, and ground surfaces.
  • Temperature extremes affect both worker safety and equipment performance.

Traffic Hazards

  • Pedestrian and vehicle traffic beneath or around the work area — requires barriers and signage.

Chemical Hazards

  • Solvent or refrigerant vapours near electric lift motors may create ignition or corrosion risks.
  • Corrosive atmospheres accelerate metal scaffold component deterioration.

3.6.3 Load Characteristics

Calculate the total anticipated load that the access equipment will be required to support. Every component of the load must be included — failure to account for the full load is one of the most common causes of equipment overload incidents.

⚖️

Load Components to Calculate

Workers

  • Include the weight of all workers who may be on the equipment simultaneously.
  • Include clothing, PPE, tool belt, and harness in the estimate.

Tools & Equipment

  • Refrigeration manifold sets, torches, brazing equipment, conduit benders, and electrical test equipment.
  • Power tools, extension cords, and portable lighting.

Materials

  • Coils, compressors, refrigerant cylinders, duct sections, and piping carried to the work area.
  • Never use the platform to store more material than needed for the immediate task.

Dynamic Loads

  • Shock loads from dropping tools or impacts must not exceed rated capacity.
  • Sudden movements (stepping on/off, shifting heavy materials) generate brief impact forces above the static load.
🚨
Always Apply a Safety Factor Select equipment rated for a load capacity that is greater than the total calculated load — never work at the maximum rated load. A safety margin accounts for dynamic loads, load measurement uncertainty, and equipment age.

3.6.4 Safety Considerations

Beyond the physical characteristics of the task, every equipment selection must account for regulatory requirements, worker training, and the suitability of the specific piece of equipment available on-site.

🦺

Safety Checklist

  • Regulatory requirements: Does the selected equipment type require specific training, permits, or inspections before use? (e.g., aerial lifts require operator certification in most provinces.)
  • Fall protection compatibility: Does the equipment have suitable anchor points for harness attachment where required by regulation?
  • Emergency egress: Can workers safely and quickly evacuate the platform in an emergency? Consider both planned access and emergency scenarios.
  • Equipment condition: Is the specific piece of equipment available in good, inspected condition? Never use equipment that has not been inspected and tagged as serviceable.
  • Worker training: Are all workers assigned to the task trained and, where required, certified on the selected equipment type?

3.6.5 Work Environment

The physical work environment often dictates what is practical or permissible regardless of what might otherwise be preferred. Access routes, floor load ratings, and ventilation must all be evaluated before equipment is brought to the site.

🏢

Environmental Factors

  • 🔌 Indoor vs. Outdoor — Electric scissor lifts are preferred indoors (no exhaust fumes); rough-terrain diesel lifts are required for outdoor uneven ground.
  • 🏗️ Floor Load Capacity — Aerial lifts and loaded scaffolds impose significant point loads. Verify the floor slab is rated for the equipment weight before positioning it — consult structural drawings or an engineer for upper floors and parking structures.
  • 🚪 Access Routes — Can the equipment be physically delivered to the work location? Doorway widths, ramp angles, and floor thresholds may eliminate certain equipment options before any other factor is considered.
  • 📏 Clearance — Is there sufficient vertical clearance for the fully extended boom or scissor mechanism to operate safely throughout the full range of motion?
  • 💨 Ventilation — Internal combustion (IC) lifts generate carbon monoxide. IC lifts in enclosed or semi-enclosed spaces require mechanical ventilation adequate to prevent CO accumulation; electric units are preferred in all enclosed spaces.

3.6.6 Equipment Selection Matrix

The following table applies the five selection factors to common HVAC-R work scenarios. Use this as a reference when evaluating equipment choices on the job site.

Scenario Recommended Equipment Key Reason
Connecting a refrigerant line to a rooftop condenser unit, 3 m height, outdoor, short duration Extension ladder (Type IA, fibreglass) Short task; one person; no heavy materials
Installing overhead duct runs in a warehouse, 5–7 m height, moving along a bay Scissor lift (electric) Large platform for duct sections; indoor; moving task
Installing piping on a building facade at 8 m, extended duration (several days) End frame scaffold Extended duration; multiple workers; heavy load
Installing fan coils along a 3 m ceiling, interior, single-storey Baker's scaffold Low height; mobile; indoor smooth floor
Accessing a rooftop unit over a 1 m parapet wall from a crane pad area Articulated boom lift Must reach over the parapet wall
Working on a high-rise building facade at 30 m height Telescoping boom lift or swing stage Maximum height required; straight-line access
💡
No Single Factor Is Sufficient The matrix provides starting points, not final answers. Always apply all five selection factors to the specific conditions of your job site before committing to an equipment choice. Site conditions, regulatory requirements, and available equipment all influence the final decision.
↑ Top