
Description
Meet the dedicated maintenance crews who race against the clock to ensure critical infrastructures are operating as designed every day.

Meet the dedicated maintenance crews who race against the clock to ensure critical infrastructures are operating as designed every day.
A dedicated crew of mariners race time as they dredge North America's busiest shipping canal to allow safe passage for huge oil tankers; specialists repair years of corrosion and damage to get a massive ferry operating safely.
A determined team of expert technicians battle nature's destructive forces to keep one of the world's longest road bridges open in deadly conditions.
Technicians battle staggering heights and fierce winds to upgrade a communications tower that keeps millions connected; special access to this dangerous job site reveals what it takes to get the job done.
Maintenance crews at a remote airstrip are exposed to the elements as they keep water-bombing aircraft flying to battle forest fires; mechanics race against the clock to get transport helicopters to safely shuttle oil rig workers.
When sea levels rise, storm surge barriers work overtime to fight floods; it takes a team of experts to maintain these engineering marvels to prevent catastrophe and keep millions of people safe.
Lighting technicians battle extreme desert conditions to keep the lights bright in Las Vegas; at extreme heights, they perform risky neon bulb replacements.
Working thousands of feet above the California desert, engineers and crews perform perilous high-wire acts to keep a hi-tech tramway system operating safely for the hundreds of daily tourists it transports.
When the world's oldest roller coaster breaks at the worst possible moment, skilled engineers and technicians race against the clock to investigate what went wrong and how to fix it before it's opened to the public.