HSE.07.0 Cable and Cord Management 2024

Objective

Effective cable management is crucial for maintaining a safe and productive construction site. Cables, hoses, and extension cords are integral to daily operations, and their proper handling is essential for workplace safety.

By ensuring that all employees are mindful of how cables and hoses are routed, the risks of trip hazards, being run over, or coming into contact with other materials or equipment can be significantly reduced. Damaged cables also pose a heightened risk of electric shock, making proactive planning vital.

Properly routing cables and hoses in advance minimizes these hazards, promoting both safety and efficiency on-site.

1. Introduction

Effective cable management is a key component of maintaining a safe, efficient, and organized work environment. On job sites where cables, hoses, and extension cords are in constant use, such as in the case of swing stage operations, proper cable management becomes even more crucial. Not only does it protect equipment from damage and ensure continuous functionality, but it also reduces the risks of accidents, like tripping hazards or electrical faults. By organizing and securing cables, employers can eliminate frustration caused by tangled cords, minimize downtime, and enhance overall safety and productivity. Prioritizing proper cable management is essential for maintaining a well-functioning, hazard-free workspace.

Failing to properly inspect cords, cables, and hoses or using the wrong type can lead to a range of serious safety hazards and operational issues on the job site. The risks include:

  1. Electrical Shock and Fires: Damaged or improperly used cables can expose live wires, increasing the risk of electrical shocks or fires. Overloaded or frayed extension cords may cause overheating, potentially igniting fires in high-risk environments.
  2. Equipment Malfunction: Using the wrong type of cable or hose, or one that is not rated for the required voltage or capacity, can lead to equipment malfunction or failure. This could result in costly repairs, downtime, or even complete equipment breakdowns, which disrupt operations.
  3. Tripping Hazards: Worn or improperly managed cables can create tripping hazards, leading to falls and injuries. Unsecured hoses and cords that are spread across walkways or underfoot pose a significant danger to workers, particularly when moving heavy or dangerous equipment.
  4. Increased Downtime and Costs: Regular wear and tear on cables that aren't inspected or maintained can cause them to fail, leading to unexpected downtime and production delays. Replacing damaged cables on an emergency basis is often more costly and time-consuming than regularly inspecting and maintaining them.
  5. Reduced Longevity of Cables and Equipment: Not using the appropriate cables for specific tasks or environments can cause premature wear and damage. Cables designed for indoor use, for example, might deteriorate when exposed to weather or heavy physical stress, reducing their lifespan and increasing replacement costs.
  6. Non-compliance with Safety Regulations: In some industries, particularly construction and mining, failing to inspect and use the proper cables or hoses can lead to non-compliance with safety regulations, resulting in fines, legal issues, and increased scrutiny from regulatory bodies.

By inspecting cables regularly and ensuring the correct types are used, employers can mitigate these risks, enhance safety, improve operational efficiency, and comply with relevant safety regulations.

2. Extension Cords, Power Cables, and Hoses in the Workplace

Key Guidelines for Using

To ensure safety, efficiency, and longevity, proper use and management of extension cords, power cables, and hoses are essential in any workplace. Below are key guidelines to follow:

1. General Safety Practices

  • Inspect Before Use:
    • Always inspect extension cords, power cables, and hoses for visible damage, such as cuts, frays, or exposed wires.
    • Check for loose or damaged plugs, connectors, and fittings.
  • Tag Out Damaged Equipment:
    • Immediately remove damaged cords or hoses from service and replace them to prevent accidents.
  • Avoid Overloading:
    • Do not exceed the amperage or pressure rating of cords, cables, or hoses. Overloading increases the risk of overheating, fire, or rupture.

2. Proper Placement and Routing

  • Prevent Tripping Hazards:
    • Route cords, cables, and hoses away from walkways, stairs, and other high-traffic areas. Use cable covers or ramps if crossing pedestrian or vehicle paths is unavoidable.
  • Avoid Pinching or Crushing:
    • Do not run cords or hoses under heavy equipment, doors, or sharp edges that could damage them.
  • Elevate When Possible:
    • Use hooks, hangers, or cable management systems to keep cords and hoses off the ground, particularly in wet or debris-filled environments.

3. Extension Cord-Specific Guidelines

  • Use for Temporary Purposes Only:
    • Extension cords are not a substitute for permanent wiring. Disconnect and store them properly after use.
  • Choose the Right Cord:
    • Select cords rated for the required voltage and amperage, with certification from ULC or CSA.
    • Use grounded (three-prong) cords for added safety.
    • GFIs (Ground Fault Interrupters) may be required for environment, application or site/workplace requirements. (See below for detailed information of GFIs.)
  • Don't Daisy-Chain Cords:
    • Never connect multiple extension cords together to extend length, as this can cause overheating and fire hazards.
  • Keep Dry:
    • Avoid using extension cords in wet environments unless they are rated for outdoor use and paired with GFCI protection.

GFI (Ground Fault Interrupter), also known as a GFCI (Ground Fault Circuit Interrupter), is a safety device designed to protect people from electric shock caused by ground faults. It monitors the flow of electricity in a circuit and quickly disconnects power if it detects an imbalance, such as current flowing through an unintended path (e.g., through a person or water).

How It Works

  • The GFI compares the current flowing into the circuit through the "hot" wire to the current returning through the "neutral" wire.
  • If there is even a small difference (typically 4-6 milliamps), the GFI interrupts the circuit within milliseconds, preventing potential harm.

Where GFIs are Used

GFIs are typically installed in areas where electrical devices may come into contact with water, increasing the risk of electric shock. Examples include:

  • Bathrooms
  • Kitchens
  • Outdoor outlets
  • Garages
  • Construction sites

Types of GFI Devices

  1. Outlet GFI: Looks like a standard electrical outlet but has "Test" and "Reset" buttons.
  2. Circuit Breaker GFI: Installed in the electrical panel and protects an entire circuit.
  3. Portable GFI: A plug-in device used for temporary protection, often on construction sites.

Importance of GFI Protection

  1. Prevents severe electrical shocks that could result from faulty wiring or electrical equipment.
  2. Provides compliance with safety regulations in workplaces and residences.
  3. Reduces fire risks caused by electrical faults.

Regularly testing GFIs by pressing the "Test" button ensures they function properly when needed.

4. Power Cable-Specific Guidelines

  • Secure Connections:
    • Ensure that all connections are secure and shielded from water, dirt, or mechanical stress.
  • Protect from Heat:
    • Keep power cables away from heat sources, such as heaters, machinery, or sunlight, to prevent insulation damage.
  • Regular Maintenance:
    • Schedule periodic inspections and testing of power cables, especially those used in demanding or outdoor environments.

5. Hose-Specific Guidelines

  • Check Pressure Ratings:
    • Verify that hoses can handle the required pressure for the equipment they are attached to.
  • Prevent Kinks and Tangles:
    • Store hoses properly on reels or hangers to prevent kinks, which can cause blockages or weaken the hose material over time.
  • Secure Connections:
    • Use appropriate fittings and clamps to ensure leak-free and secure connections.
  • Monitor for Leaks:
    • Inspect for signs of leaks or wear, especially at connection points or where the hose is bent frequently.

By following these guidelines, workplaces can reduce risks such as electrical shocks, fire, equipment malfunctions, and tripping hazards, ensuring a safer and more efficient work environment.

2. Swing Stage Power Cable

Swing stages typically operate using a 220-240V power supply, requiring durable power cables to ensure functionality. To maintain safety, swing stages must be inspected by a competent person after installation or any modifications. Additionally, all personnel using the equipment must receive training on associated hazards.

Swing stage platforms and hoist motors come equipped with various safety features. When properly maintained, inspected, and used, they provide a secure environment for personnel. Regarding the 220-240V power cables, proper handling is critical to ensure safe operation.

Key Safety Measures for Swing Stage Power Cables (Detailed)

1. Inspect Cables Regularly

Regular inspections are essential to identify potential issues before they become hazardous.

  • Visual Inspection:
    • Check the entire length of the cable for visible signs of wear, including cuts, abrasions, exposed wires, or discoloration.
    • Look for signs of overheating, such as melted insulation or burnt areas.
  • Functional Testing:
    • Test cables for continuity using a multimeter to ensure there are no internal breaks.
    • Verify that connectors function correctly and securely attaches to their respective sockets or plugs.
  • Inspection Frequency:
    • Cables should be inspected daily before each use and after any incident that might have compromised their integrity.
  • Action for Damage:
    • Tag out and immediately remove any damaged cables from service to prevent accidental use. Replace them with certified, undamaged cables.

2. Secure Connections

Ensuring the integrity of cable connections minimizes the risk of interruptions or accidents.

  • Proper Fastening:
    • Use approved connectors, clamps, or locking mechanisms to join cables securely.
    • Avoid makeshift solutions like tying knots or taping cables together, as they can easily fail.
  • Protect Connection Points:
    • Shield connection points with weatherproof or protective covers if exposed to outdoor elements.
    • Position connections in areas where they are unlikely to be subjected to stress, tugging, or pulling during use.
  • Testing Connections:
    • After securing cables, conduct a brief operational test to ensure they are properly connected and supplying power to the swing stage.

3. Prevent Exposure to Hazards

Cables must be routed and managed to reduce the risk of damage and accidents.

  • Routing and Placement:
    • Route cables along paths where they are less likely to encounter foot traffic, equipment movement, or sharp objects.
    • Use cable protectors or ramps in areas where cables must cross walkways or drive paths.
  • Elevate or Secure Cables:
    • Where feasible, suspend cables off the ground to keep them away from hazards like water, heavy equipment, or debris.
    • Use hooks, brackets, or cable ties to keep cables tidy and secure.
  • Protection from Equipment:
    • Avoid placing cables in areas where vehicles or machinery operate. If unavoidable, use heavy-duty cable guards designed to withstand vehicle weight.
  • Environmental Protection:
    • Protect cables from exposure to extreme weather conditions, moisture, or corrosive substances, which could degrade insulation or connections.

By incorporating these detailed measures into daily operations, you can significantly enhance the safety and reliability of swing stage power systems, minimizing risks for personnel and equipment.

4. Air Hoses for Pneumatic Tools

Air hoses, also known as airlines or air tubes, are flexible conduits specifically designed to transport compressed air from compressors to pneumatic tools and other air-powered equipment. At HCC, air compressors are commonly used in mining operations for tasks such as bolting with jacklegs, stopers, and chipping. Proper management and usage of air hoses are critical to ensuring safety and efficiency on-site.

Key Safety Practices for Air Hoses

  1. Prevent Trip Hazards:
    • Avoid placing hoses across walkways or in areas where foot traffic occurs.
    • Store hoses neatly and securely to eliminate risks.
    • Example Hazard: Tripping over an air hose while using a stoper or jackleg (weighing 85 lbs. or more) can lead to serious injuries if the tool falls on you.
  2. Use the Correct Hose and Fittings:
    • Select hoses of the proper diameter and fittings appropriate for the tool or equipment being used.
    • Ensure hoses are designed to resist abrasion, cutting, crushing, and damage from continuous flexing.
  3. Inspect Regularly:
    • Check hoses for cuts, bulges, abrasions, or other signs of wear.
    • Tag and replace defective hoses immediately to avoid accidents.
  4. Clear the Air Line Before Use:
    • Blow out the hose to remove debris before connecting it to a tool.
    • Always hold the hose firmly and direct the airflow away from yourself and others.
  5. Secure Hose Connections:
    • Ensure connections fit properly and are equipped with mechanical means to secure them (e.g., chains, wires, or locking devices).
    • Use quick disconnects with a pressure-release type rather than a disengagement type. Attach the male connector to the tool, not the hose.
  6. Follow Manufacturer's Ratings:
    • Operate pneumatic tools within the specified pressure limits. Exceeding the pressure rating can cause hose or tool failure, leading to potential injuries.
  7. Turn Off Air Pressure When Not in Use:
    • Shut off air pressure when tools are not in use or during tool changes. This prevents accidental activation and reduces wear on the system.
  8. Handle Tools and Hoses Properly:
    • Never carry a pneumatic tool by its hose, as this can damage the hose and compromise safety.
    • Avoid using compressed air to clean debris or dirt from clothing, as it can cause injuries.

Housekeeping and Maintenance

Maintaining a clean and organized work area is critical to preventing incidents involving air hoses and other equipment:

  • Keep all hoses, extension cords, and swing stage power cables out of travel paths.
  • Securely fasten and protect cables and hoses from being crushed, run over, or contacted by equipment or materials.
  • Conduct thorough inspections before every use to identify and address any potential hazards.

By following these practices, workers can reduce risks, prevent injuries, and ensure safe operations when using air hoses and pneumatic tools on-site. Proper housekeeping throughout the shift is essential to creating a safe and efficient workplace.

5. Saskatchewan OH and S Regulations 2020: Extension and Power Supply Cords and Portable Power Cables

The Saskatchewan Occupational Health and Safety Regulations 2020 set important safety standards for the use of extension cords, power supply cords, and portable power cables to ensure the safety of workers. Below are the key regulations outlined in sections 30-7 and 30-8:

Extension and Power Supply Cords (30-7)

An employer or contractor must ensure that any electrical extension or power supply cord used for providing energy to electrical equipment adheres to the following requirements:

  1. Approval for Intended Use and Location:
    • The cord must be approved for its specific use and the location where it is being used, ensuring that it is suitable for the environment (e.g., outdoor, wet conditions, or high-voltage applications).
  2. Approved Cord End Attachment Devices:
    • The cord must be fitted with approved attachment devices at both ends, and these devices must be installed in an approved manner to avoid connection failures or safety hazards.
  3. Grounding Conductor:
    • The cord must be equipped with a grounding conductor (three-pronged plug) to ensure electrical safety and prevent the risk of shock.
  4. Protection from Physical or Mechanical Damage:
    • The cord must be protected from damage by physical impact or mechanical stress, which includes avoiding pinching, abrasion, or any condition that could expose the electrical wiring inside the cord.

Portable Power Cables and Cable Couplers (30-8)

Employers and contractors are required to ensure the following for portable power cables and cable couplers:

  1. Protection from Physical or Mechanical Damage (30-8(1)):
    • Every portable power cable and cable coupler must be protected from damage (e.g., crushing, cutting, abrasion) that could impair their functionality or pose a safety risk to workers.
  2. Inspection by a Competent Person (30-8(1)(b)):
    • Portable power cables and couplers must be inspected regularly by a competent person to ensure they are safe for use and do not present hazards.
  3. Unsafe Conditions and Repairs (30-8(2)):
    • If any unsafe conditions are found during inspection, the portable power cable or coupler must be repaired or taken out of service immediately to prevent accidents.
    • Splices in portable power cables must be strong and adequately insulated to maintain both the mechanical strength and dielectric strength of the original cable, ensuring continued safety and functionality.
  4. Worker Responsibility (30-8(3)):
    • Workers must take reasonable steps to avoid driving equipment over or damaging portable power cables or cable couplers during operations. This includes proper management of cables in the work area to minimize the risk of damage.

Summary of Requirements:

  • Approval and Correct Installation: Cords and cables must be approved for their specific use and location, with proper attachment devices and grounding.
  • Inspection and Maintenance: Regular inspection of portable power cables and couplers is required, and any unsafe conditions must be addressed immediately.
  • Protection and Handling: Cables should be protected from physical damage, and workers should avoid actions that could damage the cables, such as running equipment over them.

By adhering to these regulations, employers can significantly reduce electrical hazards in the workplace, ensuring the safety and well-being of workers handling extension cords, power supply cables, and portable power cables.