Articles by Rebecca T. Ellis, P.E.

A concept created for special circumstances has become a sad S.O.P.

When it comes to manual labor, the buck needs to stop somewhere.

The commissioning agent can steer this to avoid data paralysis later.

Skimpy interface with BAS means more points of contention.

The latest "progress" has yielded its own growing pains and pressures.

Could detecting a manual override suggest deeper problems?

How would you know if you were getting the right result via the wrong sequence of events?

In this column, I will describe the “issue” disclosed through analysis of the trend graph included in my January 2012 column. I will also introduce a new system and show its trend graph, leaving it up to the reader to discover the operational “issue” illustrated in the graph. The answer will be given at the start of next month’s column.

The $4,000/yr problem was not on display for, or even noticeable by, visitors and staff.

What secret is this dark vault hiding?