---identifier: "/us/cfr/t46/s32.70-20"source: "ecfr"legal_status: "authoritative_unofficial"title: "46 CFR § 32.70-20 - Pump-engine compartment—TB/ALL."title_number: 46title_name: "Shipping"section_number: "32.70-20"section_name: "Pump-engine compartment—TB/ALL."chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"subchapter_number: "D"subchapter_name: "TANK VESSELS"part_number: "32"part_name: "SPECIAL EQUIPMENT, MACHINERY, AND HULL REQUIREMENTS"positive_law: falsecurrency: "2026-04-05"last_updated: "2026-04-05"format_version: "1.1.0"generator: "[email protected]"authority: "46 U.S.C. 2103, 3306, 3703, 3719; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4; Subpart 32.59 also issued under the authority of Sec. 4109, Pub. L. 101-380, 104 Stat. 515."regulatory_source: "CGFR 65-50, 30 FR 16671, Dec. 30, 1965, unless otherwise noted."cfr_part: "32"---
Identifier
/us/cfr/t46/s32.70-20
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
Chapter
Coast Guard, Department of Homeland Security
Authority
46 U.S.C. 2103, 3306, 3703, 3719; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4; Subpart 32.59 also issued under the authority of Sec. 4109, Pub. L.... 46 U.S.C. 2103, 3306, 3703, 3719; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4; Subpart 32.59 also issued under the authority of Sec. 4109, Pub. L. 101-380, 104 Stat. 515.
# 32.70-20 Pump-engine compartment—TB/ALL.No cofferdam will be required between a cargo tank and a compartment containing pumping engines and their auxiliaries which are used exclusively during pumping operations, provided the pumping engine compartment contains no cargo valves and is well ventilated and provided further that internal combustion exhaust within the compartment are completely water jacketed or insulated and that gasoline engine intakes are fitted with effective flame arresters.