46 CFR § 38.20-5 - Venting—t/all.

---
identifier: "/us/cfr/t46/s38.20-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 38.20-5 - Venting—T/ALL."
title_number: 46
title_name: "Shipping"
section_number: "38.20-5"
section_name: "Venting—T/ALL."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "D"
subchapter_name: "TANK VESSELS"
part_number: "38"
part_name: "LIQUEFIED FLAMMABLE GASES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 2103, 3306, 3703; 49 U.S.C. 5101, 5106; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGFR 66-33, 31 FR 15269, Dec. 6, 1966, unless otherwise noted."
cfr_part: "38"
---


# 38.20-5 Venting—T/ALL.

(a) Safety relief valves on cargo tanks in barges may be connected to individual or common risers which shall extend to a reasonable height above the deck. An alternate arrangement consisting of a branch vent header system as required by § 38.20-1 may be installed. In any case, the provisions of § 38.20-1 (d) through (j) shall apply.

(b) Arrangements providing for venting cargo tanks at sea on unmanned barges will be considered by the Commandant upon presentation of plans.