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Built at the beginning of the 20th century, they are concretelined and bored through solid rock. They could last centuries. But the mechanical equipment within them will not. Engineers in the 1950s discovered rust on the tunnels valves. There were concerns that if they closed the valves for tunnel inspections, they may never open again, leaving new york city without water. So they chose to keep them open. As a result, there has not been significant inspection, maintenance, or repair of the tunnels in decades. No one knows their current condition. Hurwitz currently, city tunnel 1 and city Tunne...

And when you compare that to how much we pay for electricity and gas, cable tv, and internet, the bottom line is, in the United States, we dont pay a heck of a lot for water. Curtis at an average cost of about 2. 50 for 1,000 gallons of tap water, it is a great bargain. Garvin but the rates that are being charged for water are insufficient to replace existing systems and to expand existing systems. Narrator because original Infrastructure Investments were frequently subsidized by the federal government, Water Pricing was often calculated without accounting for the initial cost to build the sys...

We started on this project in 1969. Im a sandhog. Ive been a sandhog for 37 years. Narrator sandhogs are the men of local 147, who work deep below the city. They began building the infrastructure of new york in 1872. From the subways to the sewers, the water tunnels to the highway tunnels, new york city thrives because of their work. Ryan you got one little hole in the ground, and nobody knows were here. See the empire state building, right. Thats 1,000 feet. So you figure, you go down 1,000. How high that is thats how far we go down. Narrator stretching more than 60 miles under the city, tunn...

In the 70s, we lost a man a mile basically. Here, maybe weve had two or three deaths in the last 20 years, which is too much anyway, but its cut down a lot. Hurwitz city Tunnel Number 3 will be an opportunity to take city tunnel 1 out of operation and rehabilitate it. City Tunnel Number 1 had one valve to shut off the whole tunnel. City tunnel 2 had two parallel valves. City tunnel 3 has 32, so theres much more redundancy. Lloyd were targeting a completion date of 2012 for tunnel 3. And we already are starting to prepare to take tunnel 1 offline. Narrator the construction of tunnel 3 is vital ...

They could last centuries. But the mechanical equipment within them will not. Engineers in the 1950s discovered rust on the tunnels valves. There were concerns that if they closed the valves for tunnel inspections, they may never open again, leaving new york city without water. So they chose to keep them open. As a result, there has not been significant inspection, maintenance, or repair of the tunnels in decades. No one knows their current condition. Hurwitz currently, city tunnel 1 and city Tunnel Number 2 would be feeding each half of the city. So youd lose half the city if you didnt have a...