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Interpretation #4195

Original Request

  • Date: April 25, 2025
  • Requested By: Scott Hampton
  • Requester E-Mail: scott.hampton@jbosc.ksc.nasa.gov
  • Code Version: 2001
  • Code: BUILDING
  • Code Description: Building
  • Chapter: 16
  • Section: 1607.7.1
  • Topic: STRCLOAD

  • Question: Are the guardrail-system top-rail loads indicated in FBC Section 1607.7.1 considered to be ultimate loads? That is, these top-rail loads when applied to a guardrail system induce forces/stresses that are compared to material capacities without safety factors; and these top-rail loads when applied to a ballasted guardrail system will cause overturning or sliding instability associated with a safety factor of 1.0.