Washington § 49.24.130 - Air chambers — Hanging walks.

Full text of Washington Revised Code of Washington § 49.24.130 — Air chambers — Hanging walks., with citation guidance and answers to common questions.

§ 49.24.130. Air chambers — Hanging walks.

(1) Whenever the air pressure in a tunnel heading exceeds twenty-one pounds per square inch above atmospheric pressure, two air chambers shall always be in use, except for such time as may be necessary when headings are being started from shafts; and whenever practicable the pressure in the outer chamber shall not exceed one-half the pressure in the heading;
(2) In all tunnels sixteen feet in diameter or over, hanging walks shall be provided from working face to nearest lock. An overhead clearance of six feet shall be maintained and suitable ramps provided under all safety screens.
[ 1941 c 194 s 6; Rem. Supp. 1941 s 7666-14.]

Source: official Washington text · Last verified 2026-08-27

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Frequently Asked Questions About Washington § 49.24.130

What does Revised Code of Washington § 49.24.130 cover?

Section 49.24.130 ("Air chambers — Hanging walks.") is part of the Revised Code of Washington, the codified statutory law of Washington. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Washington § 49.24.130?

A common citation format is "Revised Code of Washington § 49.24.130" (Washington). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Washington law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Washington official source linked on this page or consult a licensed Washington attorney.

How does Washington § 49.24.130 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Washington can advise on how this section applies to you. Contact your state or local bar association for a referral.

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