Word: tunnelling
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Dates: during 1960-1969
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...moved out of the Parkway Header and into the dim passage ahead. At once, the air became quite chilly, and the Tunnel began to climb upwards. "We're approaching the bridge," said the guide, "and we've got three tight squeezes ahead of us." (The Weeks Bridge, we recalled, has three arches; at the top of each, the Tunnel can only be about a yard high.) "Actually, we ourselves don't much use this passage," he went on, as we climbed up the steep curve of the first arch. "When we want to come over to the Business School...
...Holyoke Center, we asked our guide whether it was usual to connect all new buildings to the Tunnel. He replied that the Tunnel is only extended when new buildings are close by. "Otherwise, the expense is prohibitive, and we just join the pipes through a trench." (A trench is a sort of small trough, big enough for pipes and cables but much too small for people.) Since the Tunnel comes down to Lowell House under Linden Street, Holyoke Center is not too far off the track, and a connection big enough for people was feasible. Instead of constructing a full...
...thanked Mr. McFarlane for the demonstrations and with our guide walked out of the control room, down some steps into the five-foot pipe leading to the Tunnel. The inside turned out to look just as one would expect the inside of a concrete pipe to look; it was cheerfully lit and almost pleasant, however, except that the low "ceiling" made it necessary to walk with a slight stoop. We recognized the usual Tunnel fixtures: steam pipes, electric conduit, telephone cables. The pipe made a number of turns so that we could not be sure of our route...
From here on, the route was well-marked. Signs on exit doors to the surface let the explorer know what building he is passing under. The Tunnel goes directly beneath the Lowell House courtyard to Mill Street where it turns sharply east and runs for a short distance between Leverett House (McKinlock Hall) and Quincy House. At DeWolfe Street there is a turn to the south which brings the Tunnel to Memorial Drive and a large junction room know as the "Parkway Header." Like the Widener Chamber, the Parkway Header is a nexus of three Tunnel branches...
...guide told us we were directly under the Drive. That we could not hear anything of the traffic overhead was probably due to the thickness of the Tunnel roof--fourteen inches of reinforced concrete. In front of Dunster House the Tunnel is so close to the surface that the top of its roof is the sidewalk. No snow, you may have noticed, ever accumulates on the walk in front of Dunster House...