Find out about applying for an occupational diving Certificate of Competence.

If you work underwater as a diver breathing compressed gas from any source then you need to apply for a CoC.

For more information including the definition of occupational diving see Working as an occupational diver.

Types of application 

Occupational divers can apply:

  • for a new CoC
  • to renew an existing CoC before it expires
  • to add an additional category or categories to an existing CoC
  • for a replacement if they have misplaced or lost their existing CoC

Any applications made within 6 months of expiry should be made as a renewal.

If you are applying for a new CoC we recommend you use our new online form process.

If you are applying to renew or replace your existing CoC, or want to add additional categories, please use the PDF form below.

What you are required to provide:

  • a current Diving Hyperbaric Medical Service (DHMS) dive medical clearance certificate that must be attained within 6 months of applying, For more info see below.
  • confirm each additional CoC category you are applying for,
    • qualifications details relevant to each category
    • recent diving experience details for each category
  • details of your current and one previous employer in the diving industry
  • details of any diving training completed in the last two years. This could include first aid, CPR, O2 admin, HUET, u/w welding, Chamber/LST, Supervisor or other occupational diving related training.
  • your personal contact details plus a passport type photo
  • contact details for one professional referee and a reference letter
  • a good character and reputation declaration

How to get a DHMS dive medical clearance certificate:

To get a DHMS medical clearance certificate you must complete:

  • a dive medical examination by a designated diving doctor, and
  • an occupational diver medical assessment questionnaire

and send them both (with the relevant fee) to the Diving Hyperbaric Medical Service (DHMS).

The DHMS will assess your request and, if it is acceptable, issue the clearance certificate.

For more information and links to application forms, see our working as an occupational diver page. 

If you are applying for a new CoC we recommend you use our new online form process.

What documents you need to include in your application

You must apply for a renewal before the expiry date of your current CoC. Allow plenty of time to get your medical clearance. 

What you are required to provide:

  •  a current Diving Hyperbaric Medical Service (DHMS) dive medical clearance certificate that must be attained within 6 months of applying
  • confirm each CoC category you are applying for,
    • qualifications details relevant to each category
    • recent diving experience details for each category
  • details of your current and one previous employer in the diving industry
  • details of any diving training completed in the last two years. This could include first aid, CPR, O2 admin, HUET, u/w welding, Chamber/LST, Supervisor or other occupational diving related training.
  • your personal contact details plus a passport type photo
  • contact details for one professional referee and a reference letter
  • a good character and reputation declaration

How to get a DHMS dive medical clearance certificate:

To get a DHMS medical clearance certificate you must complete:

  • a dive medical examination by a designated diving doctor, and
  • an occupational diver medical assessment questionnaire

and send them both (with the relevant fee) to the Diving Hyperbaric Medical Service (DHMS).

The DHMS will assess your request and, if it is acceptable, issue the clearance certificate.

For more information and links to application forms, see our working as an occupational diver page. 

If you are applying to renew your CoC, please use the PDF form below.

What documents you need to include with your application

What you are required to provide:

  • a current DHMS dive medical clearance certificate plus full medical date that must be attained within the last 5 years of applying for a CoC
  • confirm each additional CoC category you are applying for,
    • qualifications details relevant to each category
    • recent diving experience details for each category
  • personal contact details plus an optional passport type photo
  • a good character and reputation declaration

If you are applying to add additional categories to your CoC, please use the PDF form below.

You may only apply to replace your existing CoC with a duplicate if it is lost or destroyed.

What you are required to provide: 

  • confirm each CoC category you currently hold
  • personal and contact details plus an optional passport type photo
  • a good character and reputation declaration

 If you are applying to replace your existing CoC, please use the PDF form below.

We will evaluate the application based on the details provided and the required documentation including:

  • the qualifications for each CoC category applied for,
  • logs for at least 12 dives (completed within the last 2 years) which clearly demonstrate your diving experience, and how it is suitable for the categories of diving you are applying for. 
  • recent training completed in the last two years. This can be confirmed with your qualifications if these were completed in the last two years.
    Examples can include diver courses, first aid, CPR, O2 admin, HUET, u/w welding, Chamber/LST, Supervisor or other occupational diving related training.

For all documents and files emailed to support your application we ask you to try to keep the items legible to read while keeping the file size reasonable.

Please be aware we have a restriction of a maximum file size of 10 Mb for each file and a total combined file size of 14.5 Mb.  .pdf, .png, .jpg, .jpeg, .bmp, .heic, .heif, .csv, .xls and .xlsx file types are supported. 

If you can’t keep your files under these sizes you can send these to us separately via email or post after submitting your application – we will inform you where to send the supporting evidence.

Personal photo requirements

Your photo must be:

  • a portrait photo with a 4:3 aspect ratio, or 3:4 on a smartphone
  • in colour
  • saved in .jpg or .jpeg, or .png format
  • between 250KB and 10MB
  • between 900 and 4500 pixels wide, and 1200 and 6000 pixels high

Category documentation

You need to provide us this information if you are applying for a new CoC, renewing your CoC, or if you’re adding new categories to it.

Aquaculture

  • PADI, SDI, SSI or equivalent accreditation as a Rescue Diver

               OR 

               ADAS, HSE or equivalent occupational SCUBA 

  • Aquaculture training 

              OR 

              Supervised Aquaculture industry experience 

  • Aquaculture dive logs in the last two years

Construction Part 1 - SCUBA to 30 metres

  • ADAS, HSE, IMCA Part 1 SCUBA or equivalent accreditation

OR

 Should you not have recent SCUBA experience we will accept a Proof of Competency assessment and a Letter of Competence by an appropriately qualified ADAS or IMCA supervisor attesting that you possess the right level of competency, in accordance with the ADAS continued proficiency requirements(external link)

 Any such assessment would need to include SCUBA Part 1 requirements and be undertaken by a qualified Part 1 Trainer, Assessor or Supervisor and include Part 1 SCUBA dives. 

Construction Part 2 - SSBA to 30 metres including underwater tools and equipment

  • ADAS, HSE, IMCA, SSBA  or equivalent accreditation
  • your SSBA dive logs to 30m in the last two years
  • OR Should you not have recent SCUBA experience we will accept a Proof of Competency assessment and a Letter of Competence by an appropriately qualified ADAS or IMCA supervisor attesting that you possess the right level of competency, in accordance with the ADAS continued proficiency requirements(external link)
  • Any such assessment would need to include SSBA Part 2 requirements and be undertaken by a qualified Part 2 Trainer, Assessor or Supervisor and include Part 2 SSBA dives. 

Construction Part 2 - (Restricted) SSBA to 30 metres where underwater tools and equipment are not required.

  • ADAS, HSE, IMCA SSBA or equivalent accreditation
  • SSBA dive logs to 30m in the last two years
  • OR Should you not have recent SCUBA experience we will accept a Proof of Competency assessment and a Letter of Competence by an appropriately qualified ADAS or IMCA supervisor attesting that you possess the right level of competency, in accordance with the ADAS continued proficiency requirements(external link)
  • Any such assessment would need to include SSBA Part 2(R) requirements and be undertaken by a qualified Part 2 Trainer, Assessor or Supervisor and include Part 2(R) SSBA dives. 

Construction Part 3 - SSBA to 50 metres and chamber operation

  • ADAS, HSE, IMCA SSBA to 50 metres, or equivalent accreditation 
  • SSBA dive logs to 50 metres or doing decompression and chamber dives in the last two years 

OR 

SSBA dive logs working in Offshore Oil & Gas Platforms in the last two years 

    • OR Should you not have recent SSBA Part 3 experience then we will be able to accept logged Part 2 dives and should you not have recent SCUBA experience we will accept a Proof of Competency assessment and a Letter of Competence by an appropriately qualified ADAS or IMCA supervisor attesting that you possess the right level of competency, in accordance with the ADAS continued proficiency requirements(external link)

Any such assessment would need to include SSBA Part 3 requirements and be undertaken by a qualified Part 3 Trainer, Assessor or Supervisor and include Part 3 SSBA dives. 

Construction Part 4 - Bell diving

  • ADAS, HSE, IMCA Closed Bell or Saturation or equivalent accreditation  
  • Bell and Saturation Diving in the last two years 

OR 

SSBA dive logs working in the Offshore Oil & Gas Platforms in the last two years PLUS Closed Bell/Saturation Diving in the last 5 years. 

Film and Photographic

  • PADI, SDI, SSI or equivalent accreditation as a Rescue Diver 

               OR 

               ADAS, HSE or equivalent occupational SCUBA  

  • Dive logs for film and photographic industry diving in the last two years, or dive logs showing experience suitable for this category 
  • Letter of support from a Film & Media Person Conducting a Business or Undertaking (PCBU) or Industry accredited supervisor 

Instructor / Tutor

    • PADI, SDI, SSI or equivalent accreditation as a dive leader (DiveMaster or instructor)
    • dive logs for dive leader or instructor  or diving under training at these levels, in the last two years

Scientific

               OR 

               ADAS, HSE or equivalent occupational SCUBA  

  • letter of authorisation as a scientific diver from a recognised scientific organisation 
  • dive logs of scientific diving in the last two years, or dive logs showing experience suitable for this category 

Tourism

  • PADI, SDI, SSI or equivalent accreditation as a rescue diver
  • dive logs of tourism diving in the last two years or dive logs showing experience suitable for this category

 

When you confirm your application:

  • You will be sent an email from us that includes the payment details and your submitted application details.

The non-refundable payment fee is based on the application type you are applying for

  • new CoC -  NZD $92.00 including GST 
  • renewal of an existing CoC NZD $57.50 including GST (renewals are on a 5-yearly basis)
  • addition or one or more categories to an existing  CoC - NZD $57.50 including GST
  • replacement of an existing CoC  - fee is NZD $57.50 including GST.

No application is processed until the payment and all required documentation is received. 

You can make your payment by internet banking using the details provided or over the counter at any Westpac branch. You will also receive a tax invoice confirming these details.

Make sure you include the reference number, or we will be unable to match your payment with your application.  

Note: WorkSafe offices cannot currently take cash or card payments.  

We will begin processing your application once we have received your payment.  

 

Application forms

To apply for a new certificate of competence use our new form: 

Start a new certificate of competence application(external link)

To apply for any of the following, download the PDF form below.

  • Renew your existing CoC
  • Add categories to your existing CoC
  • Request a replacement CoC card
PDF
Application for diving certificate of competency (PDF 146 KB)

Once you have completed the PDF form send it and your required documentation to occdiving@worksafe.govt.nz

What happens after you apply?

We aim to process applications within 20 working days of receiving a complete application (which includes receipt of your payment). This time frame reflects our standard processing time and may not include any additional time to request further evidence. 

If we approve your application, you will be sent a notification email with your confirmation letter and then approximately two weeks later the CoC card will be sent to your postal address. 

 If there is further information or clarification required about your CoC application we will be in touch with you by email or phone. 

Any questions should be directed to occdiving@worksafe.govt.nz