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03Field notes
Short technical notes from the work.
One problem, how it was measured, what changed. Newest first.
Repairability is decided at installation
A system that cannot be isolated, reached and identified will cost more at every repair. Seven checks, made while the wall is still open.
Read note →Finding pressure-loss points in a supply line
Low pressure at a fixture is a symptom. Walking the line with a gauge under flow finds the place where the pressure is lost.
Read note →Comfort stability is a range held over time
A thermostat reading says little about comfort. Share of occupied hours inside a temperature and humidity band says a lot.
Read note →