46 CFR § 197.334 - Open diving bells.

---
identifier: "/us/cfr/t46/s197.334"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 197.334 - Open diving bells."
title_number: 46
title_name: "Shipping"
section_number: "197.334"
section_name: "Open diving bells."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "V"
subchapter_name: "MARINE OCCUPATIONAL SAFETY AND HEALTH STANDARDS"
part_number: "197"
part_name: "GENERAL PROVISIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1509; 43 U.S.C. 1333; 46 U.S.C. 3306, 3703, 6101; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGD 76-009, 43 FR 53683, Nov. 16, 1978, unless otherwise noted."
cfr_part: "197"
---


# 197.334 Open diving bells.

Each open diving bell must—

(a) Have an upper section that provides an envelope capable of maintaining a bubble of breathing mixture available to a diver standing on the lower section of the platform with his body through the open bottom and his head in the bubble;

(b) Have lifting equipment capable of returning the occupied open bell to the dive location;

(c) Have an umbilical; and

(d) Be—(1) Made of corrosion-resisting material; or

(2) Protected against and maintained free from injurious corrosion.