AS NZS 1596 1997 amdt 1 1999 storage and handling of liquefi

1999 Page 11 Clause 1.1.1 Delete Item e and replace with the following: e from the outlet of the first regulator on a fixed consumer piping installation where the LP Gas container is ins

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AS/NZS 1596-1997/Amdt 1-1999 Storage and handling of Liquefied Petroleum Gas

Licensed to LUU MINH LUAN on 25 Feb 2002

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STANDARDS AUSTRALIA / STANDARDS NEW ZEALAND

Amendment No 1

to

AS / NZS 1596:1997 Storage and handling of LP Gas

REVISED TEXT

The 1997 edition of AS / NZS 1596 is amended as follows; the amendment(s) should be inserted in the appropriate place.

SUMMARY : This Amendment applies to the Preface, Clauses 1.1.1, 1.5.23, 1.5.45, 1.5.2, Table 3.2, Clauses

3.5.7, 3.6.1, 4.2.4, 4.2.6, 4.7.2, 4.7.7, 4.9.8, 4.11.1, 4.11.3, Table 5.1, Clauses 5.4.3, 5.4.4., 6.4.2, Figure 6.1, Clauses 6.4.7, 7.2.2, 9.1, 9.5.1, 9.7.3.3, 10.5.5, 10.7, 10.11.3, 10.12.5, Table 11.1, Appendices A, C, D, G, new Appendix O, Figures O1 and O2.

Published on 5 April 1999.

Approved for publication in New Zealand on behalf of the Standards Council of New Zealand on

17 February 1999.

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Page 3 Preface

Insert new paragraph after Item (p) as follows:

Australian and New Zealand references are separated by a slash (/) Australian references apply in Australia, and New Zealand references apply in New Zealand Joint Standards apply in both Australia and New Zealand

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Page 11 Clause 1.1.1

Delete Item (e) and replace with the following:

(e) from the outlet of the first regulator on a fixed consumer piping installation where the LP Gas container is installed on the same site, or from the outlet of the consumer billing meter or regulator where LP Gas is reticulated to the site from storage off the site (see AG 601/NZS 5261)

NOTE: Figures illustrating where each Standard or code applies are given in Appendix O

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Insert new Item (h) as follows:

(h) from the outlet of the first regulator in an LP Gas installation supplying multiple customers on separate sites to the outlet of the customer billing meter or regulator

on each site (see AG 603/NZS 5258)

NOTE: Figures illustrating where each Standard or code applies are given in Appendix O

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Page 14 Clause 1.5.45, Item (b)

Delete Item (b) and replace with the following:

employed, except a building used specifically for the storage and handling of LP Gas

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Delete the designator ‘1.5.2’ and replace with ‘1.5.62’.

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Page 25 Table 3.2

Insert new Note 4:

4 Specific requirements for service stations are provided in Clauses 9.5.9 and 9.5.14(b).

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Delete the Clause and replace with the following:

3.5.7 Regulators Regulators shall comply with UL 144 or other equivalent Standard (see Clause 4.11.3)

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Page 26 Clause 3.6.1, Item (c), line 4

Delete the words ‘, Parts 1 and 2’.

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Page 26 Clause 3.6.1, Item (e)

Delete the Item and replace with the following:

AGA/ALPGA AG 601 or AG 603

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Delete the first paragraph and replace with the following:

The installation shall comply with AS 3000/NZ Electricity Regulations 1993 and

AS 2381.1

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Delete Clause 4.2.6 and replace with the following:

4.2.6 On-site storages and flammable and combustible materials LP gas tanks shall

be separated from stores of flammable or combustible materials as follows:

flammable or combustible materials

are stored

horizontally)

whichever is the greater

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1999 Insert new paragraph before the Note as follows:

The separation distances given in Clauses 4.7.7(d) and (e) shall apply

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Delete Item (e) and replace with the following:

utilities pit — 12 m, but this distance may be reduced to 3 m where the liquid loss

on disconnection is less than 1 L

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Page 39 Clause 4.9.8, Item (b)

Such pipes shall be marked at critical locations with tracer colours of Raffia No X31 for liquid lines for Aqua No B25 for vapour lines

NOTE: Colour code numbers are taken from AS 2700

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Delete Item (c) and replace with the following:

so that the length of the piping which is subject to cylinder or tank pressure is as short as practicable For cylinder installations, see also Clause 6.4.7(f)

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4.11.3 Overpressure protection Overpressure protection shall comply with the requirements of UL 144 (shut-off devices or type II relief valves)/NZS 5261, or other equivalent standard

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No 1

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Delete the Table and replace with the following:

TABLE 5.1 SEPARATION REQUIREMENTS FOR UNDERGROUND STORAGE SYSTEMS

Tank shell Public place boundary

Adjacent property boundary

As illustrated in Figure 5.1

Protected place (on or off site) No specific requirement, limited by

other requirements Adjacent LP Gas tank 1 m

Tank fitting, e.g valve, flange, ullage gauge

Adjacent property 6 m

Filling connection For a wet hose delivery* and inward flow only, distances are as for tank

fittings; otherwise for remote connections as per Clause 4.7.7(b) to (e) and requirements as for Clause 4.7.3 For direct connections, Clause 4.7.2 shall apply.

Safety valve discharge See Clause 5.5.2.

* This term refers to a hose assembly design which limits the loss of LP Gas liquid on disconnection to

1 L or less.

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Insert new Item (e) as follows:

dissipating, any buildup of vapour prior to access

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5.4.4 Contents gauging The following requirements apply:

gauging system shall be used

without the aid of a portable light source

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1999 Delete the Clause and replace with the following:

6.4.2 Cylinder location Cylinders that are installed outdoors shall be located in accordance with the following requirements:

ignition sources in accordance with Table 6.1

other in a group of up to 2500 L aggregate water capacity

(b) above and Figure 6.1)

relief valve, the nearest cylinder shall be at least 1 m away, measured horizontally

any cylinder valve and the bottom of the window’s opening shall be at least that specified in Figure E2 or E3 of Appendix E

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Page 51 Figure 6.1

Delete the Figure and replace with the following:

NOTES:

1 Cylinders in groups need not be manifolded They may supply different installations

2 Additional requirements apply if the cylinders are fitted in situ (see Clauses 6.4.8 and 10.12.4).

3 See Table 6.1 for separation distances to protected places, public places, railway lines and ignition sources

FIGURE 6.1 DISTANCES BETWEEN CYLINDER GROUPS

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Page 51 Clause 6.4.7, title

Delete the word ‘Installation’ and replace with ‘Installing cylinders’.

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Page 51 Clause 6.4.7, Item (c)

Delete the Note to Item (c).

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7.2.2 Filling by volume The appropriate method shall be used when filling cylinders

by volume, as follows:

a fixed liquid level gauge

having an appropriate automatic fill limiting device

When filling by pumping, the pumping rate shall be appropriate to the cylinder size, in order to reduce the likelihood of overfilling

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Page 61 Clause 9.1, line 1

Insert the word ‘additional’ after the word ‘provides’.

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Page 65 Clause 9.5.1, line 2

Insert the words ‘, Table 3.2’ after the words ‘Clauses 9.1 to 9.4’.

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Page 72 Clause 9.7.3.3, Item (a)

Insert new third paragraph as follows:

Where the population limit area partly encroaches on a dwelling, the population attributed to the dwelling should be proportionally reduced unless —

to a safe distance on or off the site

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manufacturers’ guidelines, and in compliance with AS 1869 or its equivalent, shall,

at the end of five years’ service, be either—

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1999 Delete the Clause and replace with the following:

10.7 PREPARATIONS FOR THE TRANSPORT OR REMOVAL OF STORAGE TANKS Storage tanks shall be prepared for transport to or from their installation sites under the following conditions:

liquid-free

pressure does not exceed 200 kPa

NOTES:

1 Requirements for the permanent decommissioning of tanks are given in Clause 10.2.7

2 Portable tanks and skid tanks may be transported in accordance with the ADG Code, and are not subject to the requirements of Clause 10.7

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Delete Item (e) and Replace with ‘Not applicable’.

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Page 86 Clause 10.12.5

10.12.5 Filling at automotive fuel dispensers (Australia only) Only cylinders that are permanently mounted on a vehicle to fuel an engine or liquid phase burner shall be filled from an automotive fuel dispenser

Any vehicle which has a burner operating (being an ignition source) shall not be allowed

to enter the dispenser area

NOTES:

1 Automotive LP Gas may comprise blends for which appliances have not been tested or approved

2 AS 1425 requires that, since October 1980, a cylinder installed for in situ filling be provided

with an automatic fill limiter

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Delete Table 11.1 and replace with the following:

TABLE 11.1 FIRE PROTECTION FACILITIES FOR

CYLINDER STORAGE

Aggregate capacity

≤1 000

>minor storage, outdoors

>minor storage, indoors

No specific requirements

At least one hose reel or one extinguisher*

>1 000 ≤12 000

>12 000 ≤60 000

>60 000

At least one hose reel or one extinguisher

At least one hose reel and one extinguisher, or two hose reels

At least two extinguishers and two hose reels with one on-site hydrant system, or monitors,

or a sprinkler system

* This requirement does not apply to domestic portable cylinders used in a residential situation

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Page 97 Appendix A, line 7

Delete the following line.

AG 601 Installation code for gas-burning appliances and equipment

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Page 97 Appendix A, line 9

Insert the following references after line 9:

AG 601 Installation code for gas burning appliances and equipment

AG 603 Gas reticulation code

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Page 105 Paragraph C2.2

Delete the text and replace with the following:

An above-ground tank or tank storage area shall be provided with a placard in accordance with Paragraph C2.3 Where the tank and pump are underground, the placard shall be in accordance with Figure C1 and Clause C5.3

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Page 105 Paragraph C3.1

Delete Paragraph C3.1 including Note and replace with the following:

C3.1 Surface coating of cylinders A cylinder shall not be installed or used unless its surface or protective coating is suitable for the conditions of use

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designators:

D1 INTRODUCTION This Appendix is derived from the requirements of AS 1210 and provides equations for some common applications For applications that are not covered below, the requirements of AS 1210 shall apply In case of conflict, AS 1210 shall take precedence

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Page 112 Appendix G, Paragraph G2.3

Insert new paragraph after Item (g) as follows:

Pipework operating at pressures exceeding 200 kPa shall also be tested in accordance with AS 4041 or equivalent Standard, in addition to the requirements given above

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Page 128 Appendix O

Insert new Appendix O after Appendix N, as attached:

SCOPE OF AS/NZS 1596 (Informative)

FIGURE O1 LP GAS CONTAINER SUPPLYING SEVERAL SITES BY RETICULATION

FROM A SINGLE LP GAS SUPPLY

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FIGURE O2 LP GAS CONTAINER SUPPLYING APPLIANCES ON A SINGLE SITE

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