Aboveground, atmospheric storage tanks shall be constructed per this Practice, PIP VEDTA003, Atmospheric Storage Tank Data Sheet and Instructions (in Accordance with API Standard 650), and API Standard 650 (hereafter referred to as API 650). The data sheet portion of PIP VEDTA003 will hereafter be referred to as the Data Sheet.
A. This Practice establishes minimum construction requirements for the materials, design, fabrication, erection (if applicable), inspection, and testing of aboveground, non-refrigerated storage tanks fabricated of carbon steel or austenitic stainless steel. When neither API 650 nor this Practice addresses material requirements for miscellaneous items and appurtenances, the Purchaser and/or the Manufacturer shall supply additional material requirements within a supplement to the Data Sheet. Design internal pressures of 2.5 psig or less (see API 650, Appendix F) and design temperature of up to 500F (see API 650, Appendix M) are permissible under this Practice.
B. In addition to this Practice, all tanks and appurtenances shall comply with the Data Sheet and all attachments thereto.
C. This Practice shall supplement, but not supersede, API 650 and any applicable jurisdictional requirements. Pressure boundary materials other than those listed or otherwise permitted in API 650 may be specified at the discretion and the responsibility of the Purchaser. In such case, the marking and certification of API 650 shall not be applied by the Manufacturer.
D. This Practice generally parallels the order of API 650, Tenth Edition, to the subsection level. For example, roofs are the subject matter of Sections 3.10 in both API 650 and this Practice. Occasionally, this parallelism descends to an additional level.
E. Field-erected tanks shall be furnished completely erected, tested, and ready to place into service, unless specified otherwise.
F. Shop-fabricated tanks shall be furnished-tested and ready for installation.
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