How to achieve measurable bottom-line improvement

Greencore is a leading international manufacturer of convenience foods, supplying a huge range of frozen, chilled and ambient products to the retail and foodservice sectors in Europe and the US.




Food manufacturing


The Greencore Prepared Meals plant at Warrington operates 20 hours a day, 7 days a week. Its challenge was to ensure that maintenance could make best possible use of the short remaining daily time window.


Having selected Mainsaver, the CMMS project team concluded that the most effective implementation strategy would comprise two elements: (i) creating a detailed register of every maintainable plant asset so that parts and labour costs could be assigned to them (ii) engendering a real-time, online maintenance environment, rather than a system in which it was only possible to generate reports retrospectively.

Mainsaver's implementation was geared around the expectation that production operatives would be using the system to log a significant number of maintenance requests. To speed up that process, shop-floor staff using the CMMS to report a breakdown simply had to select from a short pick-list of faults allocated to each machine, rather than spending time trying to diagnose the problem.

With the breakdown logged, engineers were able to view those details immediately and respond. The ultimate objective was that real-time visibility of plant performance and associated maintenance activity would extend across the entire site to include operators and shift leaders, all the way up to senior management.

As well as recording the 'unplanned' engineering works, Mainsaver was uploaded with the entire preventative maintenance schedule. Ownership of PM was then divided between four engineering teams, each of which was allocated responsibility for a designated work area to ensure optimum use of the allotted daily time window. Details of each engineer's training and competencies were also logged within Mainsaver so that each PM task could be allocated to a technician with the correct skill-set.


A measurable uplift in OEE, to the extent that engineering downtime dropped out of the site's 'top five issues' for the first time. Standardisation of inventory and identification of redundant high-value spares led to a 15% reduction in stores value.

"I absolutely love Mainsaver. Not only does it make engineering efficient and transparent, it also gives me so much meaningful information to work with."

Martin Tranmer

Engineering Controller

Next steps

Mainsaver has been subsequently been installed in a number of other Greencore manufacturing sites as part of an ongoing rollout program.

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