# Standard Interpretations
1 - 1926.251(a)(4) - Proof testing of lifting beams used to lift wind turbine components.
2 - 1926.251(a)(5) - Testing requirements for "lifting blinds" or "lifting covers" on pressure vessels.
3 - 1926.251(a)(4) - Testing requirements for "lifting blinds" or "lifting covers" on pressure vessels.
4 - 1926.251(a)(1) - OSHA requirements applicable to use of the Contex "Magic Arm" below-the-hook lifting device.
5 - 1926.251(a)(4) - Wire rope clips on suspension scaffolds; safety latches on large crane hooks; order of assembly for hanging scaffolds; and horizontal lifeline design.
6 - 1926.251(a)(4) - Requirements for load-testing and marking of special custom-design rigging accessories; applicability of ASME standards.
7 - 1926.251(a)(4) - Marking and proof-testing requirements for special custom-designed lifting accessories.
8 - 1926.251(a), 1926.251(a)(4) - Marking and proof-testing requirements for special custom-designed lifting accessories.
9 - 1926.251(a)(4) - Retesting of reassembled lifting accessories if original manufacturing controls are ensured; retesting requirement if repair/replacement of parts due to breakage, damage, or evidence of diminished capacity.
10 - 1926.251(a)(4) - Rigging equipment for material handling; custom-designed accessories.
11 - 1926.251(a)(4) - Custom-designed lifting accessories must be proof-tested and marked before being deployed for use and after repair or replacement.
12 - 1926.251(a)(2) - Alloy steel chain slings must not be loaded beyond working load limit.