How a city finds a hidden water leak
A hidden water-main leak is found by narrowing the question: audit the missing water, meter a district, listen along a likely pipe, and test the answer in the field.
Follow a thread
Infrastructure
4 stories found Clear filters ↗
The archive
4 storiesInfrastructure
What a district heating pipe has to keep
A district heating main carries hot water out and cooler water home. Its work depends on insulation, pressure, room for expansion, and a temperature difference that survives all the way to the customer.
Why a pavement repair starts below the surface
A fresh asphalt patch hides the question that determined its depth: was the damage in the surface, the base, or the wet ground beneath? Reading that evidence is the first part of a lasting repair.
The water tower stores more than water
An elevated tank shifts pumping work across the day, supports pressure and keeps a reserve. Its water level and water age set the limits of that usefulness.