Local
Tunnel boring machine completes 2,700-foot dig beneath part of D.C.By Katherine Shaver December 22 at 7:07 PM
A
massive tunnel-boring machine working beneath First Street NW since July has
completed a 2,700-foot tunnel designed to help reduce sewer overflows into the
Anacostia River and flooding in parts of the District, utility officials said
Tuesday.
The
First Street tunnel, between Channing Street and Rhode Island Avenue, should
begin operating in summer after D.C. Water connects it with nearby sewer lines,
said utility spokesman John Lisle. He said the machine finished its digging 100
feet below ground Saturday.
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