46 CFR § 134.180 - Piping for fire-main suction.

---
identifier: "/us/cfr/t46/s134.180"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 134.180 - Piping for fire-main suction."
title_number: 46
title_name: "Shipping"
section_number: "134.180"
section_name: "Piping for fire-main suction."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "L"
subchapter_name: "OFFSHORE SUPPLY VESSELS"
part_number: "134"
part_name: "ADDED PROVISIONS FOR LIFTBOATS"
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. 3306, 3307; Department of Homeland Security Delegation No. 0170.1. Section 134.100 also issued under sec. 617, Pub. L. 111-281, 124 Stat. 2905."
regulatory_source: "CGD 82-004 and CGD 86-074, 62 FR 49352, Sept. 19, 1997, unless otherwise noted."
cfr_part: "134"
---


# 134.180 Piping for fire-main suction.

(a) Except as provided by paragraph (b) of this section, suction lines must comply with § 132.110 of this subchapter.

(b) Suction lines that extend below the main deck outside the hull plating and that supply the fire pump with the liftboat in the elevated mode must be metallic, unless they comply with § 56.60-25(c) of this chapter for vital fresh-water and salt-water service, except that they may be of unlimited length.