HOT TAKE | Are You Training Your Employees on LOTO the Right Way?
HOT TAKE | How Efficient LOTO Saves You $1.4M$ Annually
24 May 2024
In case you’re not familiar with the concept of Total Effective Equipment Performance (TEEP):
“TEEP (Total Effective Equipment Performance) is a performance metric that provides insights as to the true capacity of your manufacturing operation. It takes into account both Equipment Losses (as measured by OEE) and Schedule Losses (as measured by Utilization).”
We can all agree that Lockout Tagout (LOTO), conducted in the context of maintenance, counts as “scheduled loss” since maintenance is considered within “Production, Not Scheduled” time. Our experience has shown that LOTO can boost TEEP by 2%. When looking at a typical maintenance scenario, here’s what happens:
There are clear gaps where literally nothing is happening. These gaps are usually the result of:
Although all of these problems can be tackled, experience shows that “failure to communicate equipment availability” is the biggest unwanted contributor of scheduled loss.
In talking with an operations manager, he told us that they were losing roughly 1h/day of production, due to a lack of communication between the different teams involved in maintenance.
Here are the items of interest we identified when we started analyzing their situation:
So, circling back to TEEP, although there are definitely gains to be made in the OEE part of it as defined in this research paper, cutting down that 1h a day of “scheduled losses” by half, would increase the plant’s throughput by 2%. At a production rate of 10,000$/hour, that’s 1,460,000$/year of additional production.
It’s weird right?! We spend so much time making sure that maintenance and operations run like clockwork, so that we can squeeze out every single bit of production, but everything in between is loosely tracked.
We’ve seen a lot of companies implement, with some degree of success, different strategies to try and eliminate this problem. Here’s what they are doing:
Easy: Schedule daily cross-function meetings to align teams around the day’s schedule.
Medium: Centralize communication through operations (they’re the ones that need to meet production targets).
Hard: Merge maintenance and operations under a single function with clear TEEP objectives.
A main problem you ultimately will experience is that all of these processes rely on a human doing their job systematically, which is rarely the case in the long run. The best systems we see track individual steps in the process and automatically communicate ETA and completion to the next stakeholder, avoiding lost production time.
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