First-Nineteenth annual report of the Metropolitan water and sewerage board .. 1901-1919 . WESTON AQUEDUCT SUPPLY MAIN — 60-iijch Cast-iron Pipe connected byValve with 80-inch Concrete-covered Steel Pipe at entrance toNewton WESTON AQUEDUCT SUPPLY MAIN-Junction of 8o-inch Concrete-covered Steel Pipe with 76-inch Concrete Main in Tunnel. No. 57.] AND SEWERAGE BOARD. 7 so that now, of the entire length of about 34,650 feet, all the lowerportion of the line for a distance of about 20,260 feet, ending withthe mains near the Chestnut Hill Reservoir, has been constructed. The most important
First-Nineteenth annual report of the Metropolitan water and sewerage board .. 1901-1919 . WESTON AQUEDUCT SUPPLY MAIN — 60-iijch Cast-iron Pipe connected byValve with 80-inch Concrete-covered Steel Pipe at entrance toNewton WESTON AQUEDUCT SUPPLY MAIN-Junction of 8o-inch Concrete-covered Steel Pipe with 76-inch Concrete Main in Tunnel. No. 57.] AND SEWERAGE BOARD. 7 so that now, of the entire length of about 34,650 feet, all the lowerportion of the line for a distance of about 20,260 feet, ending withthe mains near the Chestnut Hill Reservoir, has been constructed. The most important part of the work accomplished during thepast year was in connection with the tunnel which extends for a dis-tance of a little more than 2,000 feet through a hill in the north-easterly part of the city of Newton. The rock excavation for thetunnel had been made in the preceding year, but there remainedprincipally to be performed the concreting of the excavation for themakins: of the 76-inch tunnel and the making of connections at eachend of the tunnel with the 60-inch iron pipes by lengths of about180 feet of 80-inch steel pipes. The tunnel has been constructedof sufficient size to be available for another supply line in thefu
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectwatersupply, bookyear
