1926.652(c)(2)(iii): Manufacturer's Data at the Excavation Site
Employers using manufacturer's tabulated data for a protective system must keep the manufacturer's specifications, recommendations, limitations and any approval to deviate in written form at the jobsite while the system is being built. Afterward the data may be stored off site, but a copy must be made available to the Secretary upon request.
Key takeaways
- 1926.652(c)(2)(iii) is part of OSHA's construction standards (29 CFR Part 1926, Subpart P).
- OSHA cited it 27 times in the last 3 years, in 27 inspections, with $49,408 in current penalties.
- Most citations: MA (6), TX (4), MD (4).
- Related part: 1926.652(c) Design of support systems, shield systems, and other protective systems (142 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1926.652(c)(2)(iii) is one requirement inside 1926.652 Requirements for protective systems, an OSHA construction standard (Part 1926, Subpart P). 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
(iii) Manufacturer's specifications, recommendations, and limitations, and manufacturer's approval to deviate from the specifications, recommendations, and limitations shall be in written form at the jobsite during construction of the protective system. After that time this data may be stored off the jobsite, but a copy shall be made available to the Secretary upon request. 27 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1926.652.
Where and how often it was cited
| Year | Citations |
|---|---|
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 11 |
| 2026 | 6 |
Top states: MA (6), TX (4), MD (4), CT (2), PA (2)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| HURTADO CONSTRUCTION COMPANY | FULSHEAR, TX | $15,970 |
| DAVE JANKE PLUMBING CO. INC. | BENNINGTON, NE | $7,945 |
| T-G EXCAVATING INC | TULSA, OK | $6,620 |
| DAVE O'MARA CONTRACTOR, INC. | CHARLESTOWN, IN | $6,300 |
| HDW CONSTRUCTION & DRILLING, LLC | SAN ANTONIO, TX | $3,972 |
Free toolbox talk
A 5-minute crew talk on 1926.652(c)(2)(iii), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1926.652(c)(2)(iii).
Related parts of this rule
- 1926.652(c) Design of support systems, shield systems, and other protective systems 142 citations
- 1926.652(c)(2) Option (2)—Designs Using Manufacturer's Tabulated Data 79 citations
- 1926.652(c)(2)(i) 43 citations
- 1926.652(c)(3) Option (3)—Designs using other tabulated data 28 citations
- 1926.652(c)(3)(iii) 23 citations
- 1926.652(c)(4) Option (4)—Design by a registered professional engineer 12 citations
- 1926.652(c)(1) Option (1)—Designs using appendices A, C and D 4 citations
Get your crew competent
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Frequently asked questions
What documents must be at the jobsite?
The manufacturer's specifications, recommendations and limitations, and any manufacturer's approval to deviate from them, in written form.
How long must they stay on site?
During construction of the protective system. After that they may be stored off the jobsite.
Must a copy be kept afterward?
Yes, a copy must be made available to the Secretary upon request.
About this page
Sources
- 29 CFR 1926.652 (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.