NZS 7521:1971

Specification for underground steel storage tanks and their fittings, for the petroleum industry. (Non-pressurized, horizontal, cylindrical, flat-ended)

This document has been re-assessed by the committee, and judged to still be up to date.

This document has been withdrawn without replacement. You may wish to search for a more up to date equivalent.

Relates to the manufacture and shop-testing of non-pressurized horizontal cylindrical flat-ended underground steel storage tanks and their fittings for the storage of petrol, diesel fuel and kerosene, and covers overall dimensions for tanks having nominal capacities within the range of 5 000 litres to 50 000 litres.

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Amendment history

Publishing information

Status: WITHDRAWN

Published: No published date found.

Pages: 14

Citations

This document is cited by New Zealand legislation. Expand the box to see details.

Code Of Practice For The Management Of Existing Stationary Container Systems Up To 60,000 Litres Capacity

Ministry: Environmental Protection Authority
Section: Appendix 6

Citation Context:
In all cases specifications must only be used for appropriate applications, and the most recent revision at the time of construction is applicable.

Hazardous Goods Storage Facilities

Ministry: WorkSafe New Zealand
Section: 2.5.2

Citation Context:
Listed as an acceptable design specification.

Code Of Practice For The Design, Installation And Operation Of Underground Petroleum Storage Systems

Ministry: WorkSafe New Zealand
Section: 12.3 Tank Identification

Citation Context:
Each tank shall be identified according to the requirements of the purchaser. Notwithstanding the purchaser’s requirements, the following minimum information shall be permanently and legibly marked on the tank shell adjacent to the dip tube connection: ..

ICS codes

International Classification for Standards (ICS) is an international classification system for technical standards. It is designed to cover every economic sector and virtually every activity of the humankind where technical standards may be used.

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23.020.10 Stationary containers and tanks

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