On June 18, a 700-ton crane (about 635 metric tons) went down by pieces a tunneling machine at the bottom of a well next to the Queen City Bridge, on the banks of the Merrimack River, in Manchester, New Hampshire, United States. "I arrived at six-quarters and the head came at ten o'clock", ... Continue reading "Confirmed: the 255-ton tunneller Granite Janet already digs under Manchester a 3.6-kilometre tunnel to reduce sewage spills to the Merri…
On June 18, a 700-ton crane (about 635 metric tons) went down by pieces a tunneling machine at the bottom of a well next to the Queen City Bridge, on the banks of the Merrimack River, in Manchester, New Hampshire, United States. "I arrived at six-quarters and the head came at ten o'clock", ... Continue reading "Confirmed: the 255-ton tunneller Granite Janet already digs under Manchester a 3.6-kilometre tunnel to reduce sewage spills to the Merri…