GDA Process for Westinghouse’s AP1000 nuclear reactor

• Date released: 8 April 2025
• Request Number: 202503090
• Release of information under: FOI

Information requested

Under the Freedom of Information Act 2000, I would like to request copies of the following documents:

1. New nuclear power stations – Generic Design Assessment: Guidance on the Management of GDA Outcomes (Version 1, June 2010, HSE)
   Previously available at: www.hse.gov.uk/newreactors/reports/management‐gda‐outcomes.pdf
2. Nuclear Power Station Generic Design Assessment – Guidance to Requesting Parties (Version 3, August 2008, HSE)
   Previously available at: www.hse.gov.uk/newreactors/ngn03.pdf
3. New Nuclear Power Stations – Generic Design Assessment: Guide to the Regulatory Processes (Version 2, August 2008, HSE & Environment Agency)
   Previously available at: www.hse.gov.uk/newreactors/ngn01.pdf
4. New Nuclear Power Stations – Generic Design Assessment: Safety Assessment in an International Context (Version 3, March 2009, HSE)
   Previously available at: www.hse.gov.uk/newreactors/ngn05.pdf
5. New Nuclear Power Stations Generic Design Assessment – Strategy for Working with Overseas Regulators (HSE, NGN04, March 2009)
   Previously available at: www.hse.gov.uk/newreactors/ngn04.pdf
6. Paper on the Required Level of Design Waste Plants for New Build Reactors in the Generic Design Assessment (HSE Nuclear Directorate, 19 May 2009)
   Previously available at: www.hse.gov.uk/newreactors/wasteplants.pdf
7. Guidance on the demonstration of ALARP (as low as reasonably practicable) T/AST/005 (Issue 4 – Rev 1 HSE January 2009)
   Previously available at: www.hse.gov.uk/nuclear/operational/tech_asst_guides/tast005.htm
   
   If these documents are still available, I would greatly appreciate electronic copies.

Information released

We confirm that under s.1 of the FOIA, we hold the information relevant to your request.

Please find attached the document titled “Generic Design Assessment Guidance on the management of GDA outcomes” (Version 1, dated 23 June 2010) in response to Part 1 of your request.

However we are refusing Parts 2 to 7 of your request under s.21 of the FOIA as the information is reasonably accessible by other means. Under our duty to provide advice and assistance under s.16 of the FOIA, we have directed you to the below web archive links for the remaining six reports you have requested:

• Wayback Machine – HSE – New nuclear power stations: Generic Design Assessment - Guidance to Requesting Parties (Version 3, August 2008)
• Wayback Machine – HSE – New nuclear power stations: Generic Design Assessment - Guide to the Regulatory Processes (Version 2, August 2008)
• Wayback Machine – HSE – New nuclear power stations: Generic Design Assessment - Safety Assessment in an International Content (Version 3, March 2009)
• Wayback Machine – HSE – New nuclear power stations: Generic Design Assessment - Strategy for working with overseas regulators (NGN04, March 2009)
• Wayback Machine – HSE – Paper on the Required Level of Design Waste Plants for New Build Reactors in the Generic Design Assessment (May 2009)
• Wayback Machine – HSE – Guidance on the demonstration of ALARP (as low as reasonably practicable) (Issue 4, January 2009)

Exemptions applied

s.21

PIT (Public Interest Test) if applicable

N/A