46 CFR § 90.20-1 - Marine engineering details.

---
identifier: "/us/cfr/t46/s90.20-1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 90.20-1 - Marine engineering details."
title_number: 46
title_name: "Shipping"
section_number: "90.20-1"
section_name: "Marine engineering details."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "I"
subchapter_name: "CARGO AND MISCELLANEOUS VESSELS"
part_number: "90"
part_name: "GENERAL PROVISIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 2103, 3306, 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277, sec. 1-105; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 65-50, 30 FR 16970, Dec. 30, 1965, unless otherwise noted."
cfr_part: "90"
---


# 90.20-1 Marine engineering details.

(a) All marine engineering details such as piping, valves, fittings, boilers, pressure vessels, etc., and their appurtenances installed on the vessel, shall be designed, constructed, and installed in accordance with the provisions of subchapter F (Marine Engineering) of this chapter.