Speaker
Description
The OPAL reactor achieved first criticality in August 2006. The initial suite of neutron scattering instruments commenced routine user operations during 2007–2008, followed by a second suite commissioned between 2013 and 2014. Today, 14 instruments are in operation, supported by a reactor schedule of approximately 300 operating days per year.
As the reactor celebrates its 20th anniversary, a number of significant upgrade and asset renewal projects have been undertaken. These include the complete rebuild of a Laue diffractometer, based on the Institut Laue-Langevin (ILL) design, between 2022 and 2025. In addition, the instrument safety interlock system is being replaced to address component obsolescence, while neutron guide replacements and extensions have been implemented on several instruments over the past five years to enhance performance and capability.
The project management framework employed at ANSTO has evolved considerably over the past two decades. A notable recent change has been the introduction of staged funding approvals, whereby project funding is released progressively through stage-gate reviews rather than being committed across the entire project lifecycle at inception. This approach has strengthened governance, oversight, and risk management.
The two major instrument construction programs used a program management model, with multiple projects led by dedicated project managers. Early teams typically comprised a scientist, mechanical technician and drafting support, backed by shared engineering expertise in detectors, software, electronics, controls, electrical systems and mechanical engineering.
A key challenge in an operating research facility is balancing new instrument and sample environment capabilities against maintenance and replacement of ageing assets. This requires long-term asset planning, lifecycle management and responsiveness to user needs. Instrument group leaders and engineering management review and rank competing upgrade, maintenance and replacement priorities annually.
Instrument upgrade projects now incorporate operational dose data into MCNP models, improving predictions of shielding and safety requirements. Engagement with the DENIM and ISNIE communities has reduced development effort and project risk, recently , for example, expertise from STFC ISIS and ORNL SNS has informed ANSTO on our recent neutron Fermi chopper upgrade plans.
Key Words
Project Management, Operations Management, Asset Planning, Upgrades.
| Other | Maintenance & Upgrades |
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