How main was extended under Cleveland's principal traffic artery to serve buildings on other side of avenue; pit 6.5 by 15 ft was excavated at curb line from which 3-ft diam tunnel was started to extend to manhole directly across street, distance of 82 ft; illustrated description. (see also Heating and Vent v 45 n 2 Feb 1948 p 87-8)
City steam line tunneled beneath heavily traveled six-lane street
Eng News-Rec
Engineering News-Record ; 140 , n 22
1948
3 pages
Aufsatz (Zeitschrift)
Englisch
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City steam line tunneled beneath heavily traveled six-lane street
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