GB 4053.3-2025Upcoming Safety requirements for fixed metal ladders and platform—Part 3: Industrial guardrails and platform Issued2025-12-31Effective2027-01-01 View details
GB 4053.3-2009Withdrawn Safety requirements for fixed steel ladders and platform - Part 3: Industrial guardrails and steel platform Issued2009-03-31Effective2009-12-01 View details