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| Re: Bellmouths and tunnel expansions (1402426) | |||
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Re: Bellmouths and tunnel expansions |
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Posted by randyo on Mon Jul 18 15:09:16 2016, in response to Re: Bellmouths and tunnel expansions, posted by Elkeeper on Sun Jul 17 15:35:09 2016. I don’t know what you mean by “Paragraph 4,” but the description of the City Hall station doesn’t explain why the station bears to the left going S/B but there is a definite reason for it. Up to approximately Chambers St the subway infrastructure is pretty much under the center of Bway, with the tunnel infrastructure being so close to the surface, the tunnel had to bear slightly east so that the stairways from the platform to the street would exit on to the east sidewalk of Bway instead of into the roadway if the line had been built perfectly straight. That is similar to the path of the IND Fulton St Line at ENY which bears north under Truxton Park so that the head house for the station is not in the middle of Fulton St. At that point, the subway infrastructure is so close to the surface that the only way to provide access to it was to have the stairways ascent to what is the sidewalk on ENY Ave just N/O Fulton St. |
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