The 163-mile (262 km) aqueduct consists of 55 miles (89 km) of cut and
cover aqueduct, over 28 miles (45 km) of grade tunnel, 35 miles (56
km) of pressure tunnel, six miles (10 km) of steel siphon, and 39
miles (63 km) of conduit. The 67 shafts sunk for various purposes vary
in depth from 174 to 1,187 feet (362 m). Water flows by gravity
through the aqueduct at a rate of about 4 feet per second (1.2
In this context, what is a cut and cover aqueduct?
A grade tunnel?
A pressure tunnel?
A steel siphon?
On Wednesday, February 17, 2016 at 11:37:02 PM UTC-5, Micky wrote:
Come on, Micky.
I'm not one to pile on, but don't you know how to use Google?
Why would you spend time reading stuff on the web and then not take
the next logical step and DAGS the terms that you don't understand?
In fact, "cut and cover" is actually a *link* on the page you were reading
that will take you to the definition. Why would you forgo that link and
instead ask us to tell you something that you could have found with one
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