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FAQ Spray Painting Booths, Paint Mixing Rooms

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Spray Painting Booths (SPB), Paint Mixing Rooms (PMR) and Dangerous Goods Stores (DGS)

What happens now that I've bought a SPB? When can I use it?
Here is a process to follow based on the people who will be involved, including: 

The Supplier who provides the Booth, and its Operating Instructions and the necessary certification and compliance documents. The documents will either be in the form of an SDoC, a Certified Design or a Statement of Memorandum signed by them. Each will confirm the Booth meets the requirements of AS/NZS4114 Part 1. Some Suppliers may offer to build/assemble your SPB too.

Builder ensures the construction of the SPB is carried out in accordance with the NZ Building Code and to all local Council Code requirements.

An Electrician will install a power supply. Some booths only need a connection because they arrive already wired up. Your electrician will issue an Electrical Certificate of Conformity for the installation and an Eelectrical Sfatey Certificate once they have completed connecting the power. Before they liven though, they will satisfy themselves that an Inspector's Record of Inspection have been issued.

The Electrical Inspector will inspect the Booth. it's operating systems and all associated electrical devices. Their references will include AS/NZS3000 and AS/NZS4114. Once satisfied all the booth operates correctly, is electrical safe, and has met all the compliance requirements they will issue a Record of Inspection and submit a Record onto the WorkSafe NZ's Energy Safety High-Risk Register.

Finally, the Location Compliance Certifier will inspect the SPB referencing The Health and Safety At Work (Hazardous Substances) Act and other Standards before issuing its first annual Location Site Certificate.

Congratulations... your SPB is now ready to be used!

What Zone classification is my Spray Booth?
SPB's require electrical hazardous zone compliance and delineation of areas to ensure no sources of ignition are within the zone/s without protection. SPB's can be a mixture of Zone 2, 1, and NH. Sorry but I can't tell from here about your particular Booth but here are some things to consider as you check out AS/NZS 4114 Part 1:
1. Did the Supplier give you a Zone drawing? It will show exactly which areas are in which Zones.          
2. What are the flammable liquids products you're going to be spraying?    

Do these areas need to be inspected regularly?
Yes, The frequency of re-inspection (called Periodic Assessment) is covered in AS/NZS 4114 however, generally speaking, a Location Compliance Certifier expects to sight a current electrical Record of Inspection certificate or Certificate of Verification which has been validated within th eprevious three or four years.

How often do I have to get my Booth inspected?
Location Compliance Certification is an annual activity and is described below.
A Periodic Assessment is required either 3-yearly or 4-yearly depending on a number of factors including type, frequency of use and manufacturers guidelines. Most inspectors will only apply a 3-year term for self-built Booths.

What can I do to get a first time certification for my self-built facility?
No problem and just to confirm, self-built facilities must meet the same requirements for those made by and installed by specialist manufacturers regardless of origin.
First port of call - get a copy of whatever Standard is applicable for your circumstances. AS/NZS 4114 is a great start for a Spray Painting Booth and also for a Paint mixing room. The Standard  will help you identify what the basic requirements are. We recommend you make a list detailing your booth's dimensions, type of construction, type of ventilation, number and location of doors, the number of light fittings and how they're accessed when needing to be repaired. A sketch would be helpful. Include the number of air hose outlets and any other electrical outlets in the area too, Contact your local Territorial Authority i.e City Council or District Council and check for any special requirements they have. You can check out their website or speak with one of their building inspectors for more advice and details. At some stage you'll also want to speak with a Location Compliance Certifier and perhaps a specialist electrical certification company (yes, like us). You can get your more information from your electrician.

What is a Location Compliance Certificate?
An annually renewable Location Compliance Certificate (LCC) is required where explosive, flammable or oxidizing substances are stored and the quantity exceeds the thresholds specified in the legislation. Check with WorkSafe NZ; their website has all the quantities.
A LCC can be issued for up to 3 years and you should check with your Compliance Certifier to see if and how your site might qualify.
Follow  this link  for more details on Location Compliance Certification or check out: https://worksafe.govt.nz/topic-and-industry/hazardous-substances/certification-authorisation-approvals-and-licensing/certification-of-sites/location-test-certificates/

What preparation should I do to get ready for the Periodic Assessment (re-certification) of my Spray Painting Booth?
Assemble all your records including your Verification Dossier, which should contain copies of the original installation certificates and a maintenance log. Please ensure your maintenance log is up-to-date with things like when and by whom the filters where last cleaned or changed, AND when and by whom the lights were fixed (FYI, lights that are not working are not a compliance issue unless they are needed for access into and out of the SPB). It is important to be able to produce documentary evidence when any repair work has been undertaken in your SPB.

What if there are no eletrical fittings in my Dangerous Goods Store (Paint storage area)?
In this case, there are no requirements involving electrical compliance certification. 
BUT there are still compliance requirements under HAZNO and the Building Act and the Local Territorials (aka District and City Councils) rules that have to be met. Those compliance requirements vary depending on the quantities being stored and they must be followed. Some common themes involve signage, ingress/egress, ventilation... 
Please... check with your Local Council OR District Council for advise OR check on the WorkSafe NZ website OR call us...

 
 
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