Home Health Case Studies in Maintenance and Reliability: A Wealth of Best Practices
Some Features of the System
Versions were eventually made available for shift workers as well as day workers. We built the system using the prototyping approach and a fourth generation language; this required about 480 man-days of IT effort.
Overtime Control 243
Some Subtle Features of the Design
I can't stop here without a little story. One night the Plant Manager's electric shower wouldn't work. His wife then complained to the effect that he was the manager, she needed a shower, and he should do something about it. Suitably chastened, he rang the duty electrical technician and asked if he could come out and fix the problem; only one condition he wasn't to put the call-out in the system. The technician explained that meant he wouldn't get paid.
She didn't get her shower, not a hot one anyway, and certainly not that night.
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