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User Info Engineering .vs. Science Pt 2; entered at 2023-01-30 09:28:02
Posts: 203998
Registered: 2007-06-26
@Hobbled - Of course they realize this. Thus a bridge specifies inspection intervals to detect deterioration before it reaches thresholds, and refurbishment of what deteriorates.

The plumbing and electrical in your house has a design life. It should function without inspections and remediation for that design life, but beyond that it has to be inspected and deteriorated components replaced, or you will start to get (nasty) surprises. The same is true for roofs, mechanical equipment and similar.

Most of the so-called "inspections" done on a routine basis of mechanical systems (e.g. HVAC) are crap up to a certain point in time after installation. Cleaning and such, no, but inspections generally, yes. Beyond that you either keep a wary eye on things and take care of deterioration or you're likely to get a (nasty) surprise and, since Murphy is a bastard, it usually happens when its -20F out and the ignitor fails on the furnace.
2023-01-30 09:28:02