46 CFR § 56.01-1 - Scope (replaces 100.1).
---
identifier: "/us/cfr/t46/s56.01-1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 56.01-1 - Scope (replaces 100.1)."
title_number: 46
title_name: "Shipping"
section_number: "56.01-1"
section_name: "Scope (replaces 100.1)."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "F"
subchapter_name: "MARINE ENGINEERING"
part_number: "56"
part_name: "PIPING SYSTEMS AND APPURTENANCES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1321(j), 1509; 43 U.S.C. 1333; 46 U.S.C. 3306, 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 68-82, 33 FR 18843, Dec. 18, 1968, unless otherwise noted."
cfr_part: "56"
---
# 56.01-1 Scope (replaces 100.1).
(a) This part contains requirements for the various ships' and barges' piping systems and appurtenances.
(b) The respective piping systems installed on ships and barges must have the necessary pumps, valves, regulation valves, safety valves, relief valves, flanges, fittings, pressure gages, liquid level indicators, thermometers, etc., for safe and efficient operation of the vessel.
(c) Piping for industrial systems on mobile offshore drilling units need not fully comply with the requirements of this part but must meet subpart 58.60 of this subchapter.
[CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by CGD 73-251, 43 FR 56799, Dec. 4, 1978]