Proposed Safe Work Instruments - Stationary container systems and cylinder design standards

Submissions closed

We consulted on two proposed Safe Work Instruments (SWIs) between 14 and 28 May 2018  to support the Health and Safety at Work (Hazardous Substances) Regulations 2017(external link) (the Regulations).

The two proposed SWIs and consultation document are below:

Draft – Health and Safety at Work (Hazardous Substances – Validity Periods of Compliance Certificates for Stationary Container Systems) Safe Work Instrument 2018  (PDF 273 KB)

Draft – Health and Safety at Work (Hazardous Substances – Specification of Design Standards for Refillable Cylinders) Safe Work Instrument 2018  (PDF 218 KB)

Public consultation: Hazardous substances Safe Work Instruments - May 2018 (PDF 59 KB)

Submissions summary

We have summarised key submitter feedback from consultation on the proposed SWIs, our responses to this feedback and any resulting changes to the SWIs.

The SWIs will commence on 1 August 2018. and the finalised SWIs can be accessed on our Safe Work Instruments page. 

We received submissions and, where appropriate, made changes to reflect this feedback.

The Summary of Submissions provides us analysis of the feedback received and records the resulting changes. The submissions led to changes in one of the SWIs.

Summary of submissions  (PDF 63 KB)

The SWIs sit alongside the Health and Safety at Work (Hazardous Substances) Regulations 2017 and specify alternative validity periods of compliance certificates for stationary container systems and additional design standards for refillable cylinders.


Anyone can ask for your submission under the Official Information Act 1982 (the OIA). If you have any questions about how the information in your submission is dealt with, please contact us at