ANSI ASME-B31.3-2004 pdf download Process Piping
301 DESIGN CONDITIONS Paragraph 301 states the qualifications of the Designer, defines the temperatures, pressures, and forces applicable to the design of piping, and states the consid- eration that shall be given to various effects and their consequent loadings. See also Appendix F, para. F301. 301.1 Qualifications of the Designer The Designer is the person(s) in charge of the engi- neering design of a piping system and shall be experi- enced in the use of this Code. The qualifications and experience required of the Designer willdepend onthe complexityand criticalityof the system and the nature of the individual’s experience. The owner’s approval is required if the individual does not meet at least one of the following criteria.
(a) Completion of an engineering degree, requiring four or more years of full-time study, plus a minimum of 5 years experience in the design of related pressure piping.
(b) Professional Engineering registration, recognized by the local jurisdiction, and experience in the design of related pressure piping.
(c) Completion of an engineering associates degree, requiring at least 2 years of full-time study, plus a minimum of 10 years experience in the design of related pressure piping.
(d) Fifteen years experience in the design of related pressure piping. Experience in the design ofrelated pressure piping is satisfied by piping design experience that includes design calculations for pressure, sustained and occasional loads, and piping flexibility. 301.2 Design Pressure
301.2.1 General
(a) The design pressure ofeach component ina piping system shall be not less than the pressure at the most severe condition of coincident internal or external pres- sure and temperature (minimum or maximum) expected during service, except as provided in para. 302.2.4.
(b) The most severe condition is that which results in the greatest required component thickness and the highest component rating.
(c) When more than one set of pressure-temperature conditions exist for a piping system, the conditions gov- erning the rating of components conforming to listed standards may differ from the conditions governing the rating of components designed in accordance with para. 304.
ANSI ASME-B31.3-2004 pdf download
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