October 17, 2025

Unpacking Misconceptions About 1910.23(b)(2)(i): Ladder Rungs and Steps in Elevator Shafts and Airports

In the realm of industrial safety, clarity and precision in regulations are crucial. OSHA's standard 1910.23(b)(2)(i) specifies that ladder rungs and steps in elevator shafts and at airports must be spaced not less than 6 inches (15 cm) apart and not more than 16.5 inches (42 cm) apart. Yet, there are common misconceptions around this rule that need to be addressed to ensure safety compliance.

Misconception 1: The Rule Applies to All Ladders

One common misunderstanding is that this regulation applies universally to all ladders within an organization. However, the specification in 1910.23(b)(2)(i) is specifically for ladders in elevator shafts and airports. For example, when I worked on a project at a major airport, we had to ensure every ladder in the service areas met this standard, but ladders in other parts of the facility had different compliance requirements. Understanding the specific contexts where this rule applies is essential for maintaining safety and compliance.

Misconception 2: Exact Measurements Are Not Critical

Some believe that as long as the ladder rungs are roughly within the specified range, they are compliant. This is incorrect. Precision matters. Based on our experience and available research, ladders that deviate significantly from these measurements can lead to increased risk of accidents. In one instance, a client's maintenance team had to adjust several ladders in their elevator shafts to meet the exact specifications after an audit revealed non-compliance. Ensuring ladders adhere strictly to the measurements in 1910.23(b)(2)(i) is not just about following the rules—it's about safeguarding workers.

Misconception 3: This Regulation Is Only for New Installations

Another misconception is that this OSHA standard only applies to newly installed ladders. In reality, this regulation extends to existing ladders as well. When conducting safety audits, we often find that older installations need retrofitting to meet current standards. It's a common scenario where we have to remind clients that ongoing maintenance and inspections are as crucial as initial compliance. The safety of workers depends on the consistent application of these regulations, regardless of when the ladders were installed.

Additional Considerations for Airports

Airports present unique challenges due to their scale and the variety of equipment and personnel involved. Ladder safety in these environments is not just about the physical construction but also about integrating these standards into broader safety management systems. At airports, where we often see a mix of permanent and temporary structures, ensuring that all ladders meet the 1910.23(b)(2)(i) requirements is a critical part of maintaining an overarching safety strategy.

For those looking to delve deeper into ladder safety and OSHA compliance, resources like the OSHA website provide detailed information and guidelines. Additionally, organizations like the National Fire Protection Association (NFPA) offer valuable insights into fire safety and emergency access, which often intersect with ladder safety requirements.

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