Interpretation Response #98-0598 ([Truck Trailer Manufacturers Association] [Mr. Donald W. Vierimaa])
Below is the interpretation response detail and a list of regulations sections applicable to this response.
Interpretation Response Details
Response Publish Date:
Company Name: Truck Trailer Manufacturers Association
Individual Name: Mr. Donald W. Vierimaa
Location State: VA Country: US
View the Interpretation Document
Response text:
MAY 5, 1998
Mr. Donald W. Vierimaa
Vice President-Engineering
Truck Trailer Manufacturers Association
1020 Princess Street
Alexandria, VA 22314
Dear Mr. Vierimaa:
This is in response to your letter requesting clarification of your understanding that when
calculating the static stresses of non-American Society of Mechanical Engineers (ASME) Code stamped DOT 400 series cargo tanks in accordance with § 178.345-3(b), the requirement specified in § 178.345-3(a) (2) is applicable.
Your understanding of §§ 178.345-3(a) and (b) is correct. In cases where actual physical property tests of materials are certified showing an actual ultimate tensile strength greater than that shown in the ASME Code or the American Society for Testing and Materials (ASTM) standard, the ultimate tensile strength of the material used in the design may not exceed 120% of the minimum ultimate strength specified in the ASME Code or the ASTM standard. Section 178.345-3(a)(2) is applicable for the calculation of the static stresses of non-ASME DOT 400 series cargo tanks in accordance with §§ 178.345-3(b) and (c).
I apologize for the delay in preparing this response and hope that it has not caused you any inconvenience. If you need further assistance, please contact us.
Sincerely,
Thomas G. Allan
Senior Transportation Regulations Specialist
Office of Hazardous Materials Standards
178.345-3
Regulation Sections
| Section | Subject |
|---|---|
| 178.345-3 | Structural integrity |