# Standard Interpretations
1 - 1926.452(j) - Toprail height requirements for pump jack scaffolds.
2 - 1926.452(j) - Fall protection requirements for pump jack scaffold railings.
3 - 1926.452(j)(2) - Pump jack scaffolds must be braced at their bottom.
4 - 1926.452(j)(7) - Requirement for pump jack scaffolds.