Proof of method

The claim, the source, and the boundary — on the same page.

This is process proof, not a promise of a business outcome. It shows what a reviewer can inspect inside an OpEx IQ program before relying on it.

A requirement you can check

Retrieved
29 CFR 1926.651(j)(2)

Excavated materials and equipment that could fall or roll into an excavation must be kept at least 2 feet from the edge or restrained by sufficient retaining devices.

Source checked against OSHA's published excavation standard. Open the OSHA source.

Four states every line can occupy

RETRIEVED

A primary source was opened and the citation checked.

COMPANY RULE

The control is a company choice, not presented as law.

EXCLUDED

The topic was considered and ruled out with a recorded reason.

REVIEWED

A named professional accepted the issued version.

What this proves — and what it does not

It proves that the document exposes its basis and its limits for inspection. It does not prove that a company implements the program, that a worksite is compliant, or that a prequalification platform will award a particular grade.

See which topics your work triggers.

The intake calculates the scope and price; professional review begins only after your trades are confirmed.

See what you need, and what it costs