Source: https://ecfr.io/Title-49/se49.3.178_1338_616
Timestamp: 2019-11-19 12:15:22
Document Index: 156115807

Matched Legal Cases: ['§178', 'art 178', '§178', 'art 178', '§178', 'art 178', '§178', '§178', '§171', '§171', '§178']

[49 CFR §178.338-16] Title 49 Part 178 → Subpart J → §178.338-16 : Code of Federal Regulations ';
Title 49 Part 178 → Subpart J → §178.338-16
Title 49 → Subtitle B → Chapter I → Subchapter C → Part 178 → Subpart J → §178.338-16
§178.338-16 Inspection and testing.
(a) General. The material of construction of a tank and its appurtenances must be inspected for conformance to Section VIII of the ASME Code (IBR, see §171.7 of this subchapter). The tank must be subjected to either a hydrostatic or pneumatic test. The test pressure must be one and one-half times the sum of the design pressure, plus static head of lading, plus 101.3 kPa (14.7 psi) if subjected to external vacuum, except that for tanks constructed in accordance with Part UHT in Section VIII of the ASME Code the test pressure must be twice the design pressure.
(d) Defect repair. All cracks and other defects must be repaired as prescribed in Section VIII of the ASME Code. The welder and the welding procedure must be qualified in accordance with Section IX of the ASME Code (IBR, see §171.7 of this subchapter). After repair, the tank must again be postweld heat-treated, if such heat treatment was previously performed, and the repaired areas must be retested.
(e) Verification must be made of the interior cleanliness of a tank constructed for oxygen service by means that assure that all contaminants that are likely to react with the lading have been removed as required by §178.338-15.