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Put Your Guard Up: Guardrails Save Lives and Keep Builders in Compliance

Filed in Sponsored Content by on November 13, 2019 1 Comment

Guardrails play a critical role in protecting workers and visitors on a jobsite, but they work only when installed properly.

NAHB Safety sponsor Builders Mutual has launched a campaign called Put Your Guard Up to encourage home builders to pay more attention to the need for and the installation of guardrails for worker safety and company compliance.

OSHA Requirements for Fall Protection

Before work begins, OSHA requires that employers provide fall protection where workers are exposed to vertical drops of six feet or more. Guardrails are one of three main ways to provide that fall protection. You can also deploy safety nets or provide personal fall arrest systems for each employee.

Many times, the nature and location of the work will dictate the form that fall protection takes. Consider inspecting these common fall locations before beginning work:

  • Window openings
  • Stairways and landings
  • Second-story entrances
  • Exterior porches, decks, front steps
  • Scaffolding
  • Around the floor deck in the house (reassess these areas as you build each floor)
  • Elevator shaft

Your Guardrail Compliance Checklist

If you choose to use a guardrail system, you must comply with the 10 OSHA provisions listed below. Be sure you have checked all 10 before work begins on your jobsite.

  1. Top edge height of top rails must be between 42 +/- 3 inches above the walking/working level, except when conditions warrant otherwise. For example, when employees are using stilts, the top edge height of the top rail must be increased by an amount equal the height of the stilts.
  2. Mid rails must be installed between the top edge and the walking/working surface when there is no wall or other structure at least 21 +/- 3 inches high.
  3. Mid rails must be midway between the top edge of the guardrail system and the walking/working level.
  4. Toe boards must be installed to prevent materials and/or tools from falling to lower levels.
  5. Screens and mesh must extend from the top rail to the walking/working level and along the entire opening between rail supports if material is stacked above the toe board height.
  6. You may leave a maximum of 19 inches between your guardrail and a structure to allow for work to be done.
  7. Guardrail systems must be capable of withstanding at least 200 pounds of force applied within 2 inches of the top edge, in any direction and at any point along the edge, and without causing the top edge of the guardrail to deflect downward to a height less than 39 inches above the walking/working level.
  8. Mid rails, screens, mesh, and other intermediate members must be capable of withstanding at least 150 pounds of force applied in any direction at any point along the mid rail or other member without deflecting below 18 inches.
  9. Guardrail systems must not have rough or jagged surfaces that would cause punctures, lacerations, or snagged clothing.
  10. Top rails and mid rails must not cause a projection hazard by overhanging the end posts.

Print this checklist and keep it handy in your truck or office for reference.

Make Guardrails a Habit

While it is ultimately the general contractor’s responsibility to have properly installed guardrails in place, everyone can participate in creating a safe jobsite. As a team, you can create a safety culture where it is a habit to Put Your Guard Up as soon as an opening is created.

All trades and subcontractors should be briefed on their roles in creating a safe work environment. Often, guardrails must be removed or reworked to accommodate each day’s task. For example, one team may take down guardrails to paint the interior. It is now their responsibility to reinstall the appropriate fall protection.

Assign someone to review the guardrail checklist at the beginning of each work day. This will help to catch missed openings or places where a guardrail was removed the day before. Anyone on your team could be trained to perform this inspection. You could even rotate the task through the team, making it a great way to engage everyone.



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  1. Luke Smith says:

    I’ll be sure to keep in mind that the future guardrail that the workers will install on our sidewalks can bear the weight of at 200lbs. I got to talk with one of the workers earlier this morning, and they told me that they were instructed to build higher sidewalks with safety railings to avoid street accidents. I really appreciate their plans and logic behind it, so I might as well share these learnings with them and pass the news onto my neighbors about what’s going to happen in the next few weeks to avoid longer discussions.

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