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Needle Beam
 This simple type of scaffold consists of a platform suspended from needle beams,
usually attached on one end to a permanent structural member. Note:
The requirements on this page are specific to needle beam scaffolds only. For requirements that apply to all types of suspended scaffolds, please refer to the
Two-point (swing stage) module of this eTool.
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General Requirements |
- Scaffold support beams must be installed on edge.
[1926.452(u)(1)]
- Ropes or hangers must be used for supports. (Exception: One end of the scaffold may be supported by a permanent structural member.) [1926.452(u)(2)]
- Ropes must be securely attached to needle beams.
[1926.452(u)(3)]
- Support connections must be arranged to prevent the needle beam from rolling or becoming displaced.
[1926.452(u)(4)]
- Platform units must be attached by bolts or equivalent means. Cleats and overhang are not
considered adequate means of attachment. [1926.452(u)(5)]
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Non-mandatory Guidelines |
- For a maximum intended load of 25 pounds per square foot:
- Beams must be 4 x 6 inches in cross section, with
- A maximum beam span of 10 feet, and
- The platform span must be no more than 8 feet.
- Ropes:
- Must be attached to the needle beam by a scaffold hitch or eye splice, and
- The loose end must be tied by a bowline knot or a round turn and a half
hitch. [1926
Subpart L Appendix A (u)(1)]
- Rope strength must at least be equal to 1-inch diameter, first-grade manila rope. [1926 Subpart L Appendix A (u)(2)]
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