30 CFR 56.4604

§ 56.4604 Preparation of pipelines or containers.

United States · 30 CFR — Mineral Resources · Status: effective

Cite this

Citation: 30 CFR 56.4604, § 56.4604 Preparation of pipelines or containers, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/132272
Permanent ID: ys:prov:132272@1
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Full text

Before welding, cutting, or applying heat with an open flame to pipelines or containers that have contained flammable or combustible liquids, flammable gases, or explosive solids, the pipelines or containers shall be— (a) Drained, ventilated, and thoroughly cleaned of any residue; (b) Vented to prevent pressure build-up during the application of heat; and (c)(1) Filled with an inert gas or water, where compatible; or (2) Determined to be free of flammable gases by a flammable gas detection device prior to and at frequent intervals during the application of heat.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.