Health and Safety at Work (Hazardous Substances) Regulations 2017

Part 11 Controls relating to adverse effects of unintended ignition of class 2 and 3.1 substances

11.1 Interpretation

In this Part, unless the context otherwise requires,—

AS 1940—2004 means the standard on The storage and handling of flammable and combustible liquids

AS/NZS 4114.1:2003 means the standard on Spray painting booths, designated spray painting areas and paint mixing rooms—Design, construction and testing

AS/NZS 3833:2007 means the standard on The storage and handling of mixed classes of dangerous goods, in packages and intermediate bulk containers

BS EN 14470–1:2004 means the British/European standard on Safety storage cabinets for flammable liquids

NZS 4232.2:1988 means the standard on Fire resisting glazing systems

NZS 4541:2013 means the standard on Automatic fire sprinkler systems

retail shop

(a)

means—

(i)

an area at premises where goods are displayed for sale to the general public or an end user; or

(ii)

an area behind a sales counter where goods are kept for the purpose of selling them to the general public or an end user; and

(b)

includes an area where goods are received at the premises and stored before being displayed for sale or placed on the shelves behind the sales counter

retailer of agricultural chemicals means a retail shop selling agricultural chemicals predominantly to commercial users

type 1 workroom means a building or room—

(a)

where hazardous substances are held in open containers or used; and

(b)

that is constructed in accordance with the following:

(i)

the floor, walls, and ceiling have a minimum fire-resistance rating of 60/60/60 minutes:

(ii)

every door opens towards the outside of the building or room, is self-closing, and has a fire-resistance rating of at least -/60/60 minutes:

(iii)

every window in the building or room complies with NZS 4232.2:1988; and

(c)

that is not occupied either in whole or in part as a dwelling; and

(d)

that has a secondary containment system with a capacity of at least 100% of the total pooling potential

type 2 workroom means a building or room—

(a)

where hazardous substances are held in open containers or used; and

(b)

that is constructed in accordance with the following:

(i)

the floor, walls, and ceiling have a minimum fire-resistance rating of 120/120/120 minutes:

(ii)

every door opens towards the outside of the building or room, is self-closing, and has a fire-resistance rating of at least -/120/60 minutes:

(iii)

every window in the building or room complies with NZS 4232.2:1988; and

(c)

that is not occupied either in whole or in part as a dwelling; and

(d)

that has a secondary containment system with a capacity of at least 100% of the total pooling potential

type 3 workroom means a building or room—

(a)

where hazardous substances are held in open containers or used; and

(b)

that is constructed in accordance with the following:

(i)

the floor, walls, and ceiling have a minimum fire-resistance rating of 240/240/240 minutes:

(ii)

every door opens towards the outside of the building or room, is self-closing, and has a fire-resistance rating of at least -/240/60 minutes:

(iii)

every window in the building or room complies with NZS 4232.2:1988; and

(c)

that is not occupied either in whole or in part as a dwelling; and

(d)

that has a secondary containment system with a capacity of at least 100% of the total pooling potential

type A storage means an area that is designated for the storage of hazardous substances and that—

(a)

is located external to a building; and

(b)

may have a platform on which 1 or more containers are located, provided that the platform is made of non-combustible materials; and

(c)

may have a shelter roof, provided that the roof is made of non-combustible materials; and

(d)

is—

(i)

secured from access by persons other than those permitted by a PCBU to access the storage area; and

(ii)

is part of a secondary containment system

type B storage means a framed building where hazardous substances are stored that—

(a)

has non-combustible cladding; and

(b)

is part of a secondary containment system

type C storage means a building where hazardous substances are stored that—

(a)

has a fire-resistance rating of 120/120/120 minutes and is made of structurally strong materials such as brick, block concrete, and reinforced concrete; and

(b)

has a roof made of non-combustible materials; and

(c)

is part of a secondary containment system; and

(d)

has a door with a fire-resistance rating of at least -/120/60 minutes unless the building is standalone, in which case a lesser rated door may be used

type D storage means a building where hazardous substances are stored that—

(a)

has a fire-resistance rating of 240/240/240 minutes and is made of structurally strong materials such as brick, block concrete, and reinforced concrete; and

(b)

has a reinforced concrete roof with a fire-resistance rating of 240/240/240 minutes; and

(c)

is part of a secondary containment system; and

(d)

has a door with a fire-resistance rating of -/240/60 minutes unless the building is standalone, in which case a lesser rated door may be used.