1926.1403(a): Using Manufacturer A/D Procedures
One option for crane assembly and disassembly is to follow the manufacturer procedures applicable to assembly and disassembly.
Key takeaways
- 1926.1403(a) is part of OSHA's construction standards (29 CFR Part 1926, Subpart CC).
- OSHA cited it 3 times in the last 3 years, in 3 inspections, with $26,418 in current penalties.
- 1 death is linked to inspections that cited this rule.
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1926.1403(a) is one requirement inside 1926.1403 Assembly/Disassembly—selection of manufacturer or employer procedures, an OSHA construction standard (Part 1926, Subpart CC). The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
(a) Manufacturer procedures applicable to assembly and disassembly, or 3 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1926.1403.
Injuries linked to this rule
1 death is linked to inspections where OSHA cited 1926.1403(a).
At 9:00 a.m. on October 23, 2023, employees were attempting to disassemble the crawler crane. The employees removed the pins in an incorrect order and without proper blocking. The boom section collapsed onto an employee. The employee was fatally injured. The employee was struck by…
Where and how often it was cited
Free toolbox talk
A 5-minute crew talk on 1926.1403(a), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1926.1403(a).
Get your crew competent
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Frequently asked questions
What does this paragraph allow?
Following manufacturer procedures applicable to assembly and disassembly.
Is this the only option?
No, it is one of two options; the other is employer procedures.
Do manufacturer prohibitions still apply?
Yes, all applicable manufacturer prohibitions must be followed.
About this page
Sources
- 29 CFR 1926.1403 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-10-19
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.