46 CFR § 154.315 - Cargo pump and cargo compressor rooms.
---
identifier: "/us/cfr/t46/s154.315"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 154.315 - Cargo pump and cargo compressor rooms."
title_number: 46
title_name: "Shipping"
section_number: "154.315"
section_name: "Cargo pump and cargo compressor rooms."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "O"
subchapter_name: "CERTAIN BULK DANGEROUS CARGOES"
part_number: "154"
part_name: "SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED 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. 3703, 9101; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted."
cfr_part: "154"
---
# 154.315 Cargo pump and cargo compressor rooms.
(a) Cargo pump rooms and cargo compressor rooms must be above the weather deck and must be within the cargo area.
(b) Where pumps and compressors are driven by a prime mover in an adjacent gas safe space:
(1) The bulkhead or deck must be gastight; and
(2) The shafting passing through the bulkhead or deck must be sealed by a fixed oil reservoir gland seal, a pressure grease seal, or another type of positive pressure seal specially approved by the Commandant (CG-ENG).
[CGD 74-289, 44 FR 26009, May 3, 1979, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]