Access to DiRAC is co-ordinated by The STFC’s DiRAC Resource Allocation Committee, which puts out an annual Call for Proposals to request time and operates a Seedcorn Time programme for small requests.

12th Call for Proposals

The 12th Call for Proposals opened on May 24th 2019.  For each Call the RAC produces a set of documentation that includes a number of forms that every applicant must complete. The RAC also provides a comprehensive set of guidance notes.  

In addition to the scientific proposal application form, applicants must also submit a technical case (one per proposal).  The technical case must be submitted at least two months before the call closing date.

Deadline for submission of the Technical Case Application form: 5pm Thursday 1st August 2019: Please send to:

Deadline for submission of the Scientific Proposal Application form: 5pm Tuesday 1st October 2019: Please send to:

The Announcement, Forms and Guidance Notes for the 12th Call can be accessed at the links below are below.

Allocations awarded in the 12th Call will commence on 1st April 2020. 

Seedcorn Time

More information on our Seedcorn Time programme can be found here.

Director’s Discretionary Proposals (closed)

The DiRAC Director invites the UK theory and modelling communities in Astrophysics, Particle Physics and Nuclear Physics to apply for Director’s Discretionary Proposals for computational resources on the STFC DiRAC HPC Facility. 

More information can be found here.

For help with application queries please contact the DiRAC Director: Dr Mark Wilkinson and/or the DiRAC Technical Director: Professor Peter Boyle.

Alternatively see:  DiRAC Webinar: RAC Technical Assessment and RSE Support

Power point slides


For all other enquiries please contact our Project Office