Hazardous Substances Regulations




848 NEW ZEALAND GAZETTE No. 35

Separation between tanks designed and constructed to certain specifications

24 Separation between tanks designed and constructed to certain specifications

Despite clause 19, an above ground stationary tank that contains a class 3.1 hazardous substance may
be separated from another above ground stationary tank that contains a class 3.1 hazardous substance
by a distance of not less than 1 metre if 1 of the tanks is designed and constructed in accordance
with—

(a) SWRI 95-03; or

(b) SWRI 93-01; or

(c) UL 2085; or

(d) a code of practice approved by the Authority under section 79 of the Act specifies
requirements equivalent to the requirements specified in paragraph (a), or paragraph (b), or
paragraph (c).

Separation of chemically incompatible substances

25 Above ground stationary tanks containing chemically incompatible substances to have separate secondary containment systems

(1) This clause applies to 2 or more above ground stationary tanks if—

(a) each tank contains a hazardous substance of any class except a hazardous substance of class
2.1.1; and

(b) the hazardous substance in one tank is not compatible with the hazardous substance in the
other tank or tanks.

(2) Each above ground stationary tank to which this clause applies must be installed with a separate
secondary containment system.

Transfer point separation

26 Separation between transfer point and above ground stationary tank containing class 2.1.1 or class 3 hazardous substance

(1) An above ground tank used to store a class 2.1.1 permanent gas must—

(a) if its transfer point is used to refuel vehicles, be separated from that transfer point by not less
than 2.5 metres; and

(b) be separated from any transfer point used to transfer class 2.1.1 liquefiable gases, or class
3.1A, or class 3.1B hazardous substances, by not less than 5 metres.

(2) An above ground stationary tank used to store a class 2.1.1 liquefiable gas must—

(a) if its transfer point is used to fill that tank, be separated from that transfer point by not less than

the distance specified in the following table:



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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2004, No 35


Gazette.govt.nz PDF NZ Gazette 2004, No 35





✨ LLM interpretation of page content

🏥 Amendments to Hazardous Substances Regulations (continued from previous page)

🏥 Health & Social Welfare
Regulations, Hazardous Substances, Separation Distances, Stationary Tanks, Class 3.1, Class 2.1.1, Chemically Incompatible Substances, Transfer Points