Word: tunneling
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...other day, at the invitation of Buildings and Grounds, a small party of students explored the underground world of Harvard. Our point of departure was the basement of Weld Hall, one of nine operating stations in the Tunnel system. There, we met the foreman of the Tunnel operating engineers, Mr. Floyd Kingsbury, who first showed us a map of the University in which were indicated the areas under the control of Buildings and Grounds. We noticed four large shaded areas and two small ones; Radcliffe, left unshaded, was clearly not part of things...
...Kingsbury explained that the four shaded blocs are all served by the Tunnel but that one of them--the Business School and Soldiers Field area--is not yet fully integrated with the other three. These others are the "North Yard" (everything north of Kirkland Street), the "Main Yard" (everything between Kirkland Street and Massachusetts Avenue and the river). In each, distribution of steam is fully automatic. We found out that the two small shaded areas on the map are independent of the Tunnel but nonetheless under Buildings and Grounds administration. (One includes the Loeb Drama Center and part...
...Kingsbury then suggested a preliminary trip through the Tunnel and gave us over to one of his engineers. Before we left, however, he surprised us with one statistic: 62 men, he told us, work full time in the Tunnel, keeping a 24-hour lookout for breakdowns...
...guide, Mr. Harry Schofield, led us down a short stairway, through a glass door, into the Tunnel. "There it is," he said and pointed down a seemingly endless corridor illuminated by incandescent bulbs spaced along the ceiling. The most impressive feature of the Tunnel was its temperature. We had prepared for our expedition by dressing in summer clothing, but the blast of heat that hit us when we entered was unexpected. A thermometer on the wall registered 120 degrees, the highest reading on its scale. For most of our travels, the temperature ranged from this extreme down to a comparatively...
...walked south toward Widener Library, Harry Schofield pointed out some of the Tunnel's sights. He first called out attention to the large expansion joints that occurred at regular intervals along the steam pipes. These, he explained, allow for horizontal expansion when steam is turned on; without them, the rigid metal pipes would buckle disastrously due to sudden increases in temperature. Because the joints are the most likely sites for leaks to develop, they must be inspected and maintained continuously, and are one of the main concerns of the Tunnel engineering force...