Grout Expectations: The Central Subway Plan Tries to Compensate for its Shortcomings, but May Just Frack it Up

By Joe Eskenazi : sfweekly.com – excerpt

In the days before cell phones, bored undergraduates in the restrooms of institutions of higher learning passed time by scrawling puns in the grouting between wall tiles: “The Grout Gatsby;” “It’s the Grout Pumpkin, Charlie Brown;” “Grout Expectations;” and, of course, “Three Strikes and You’re Grout.”
This, incidentally, is called “groutfiti,” and could be the first, last, and only time many people gave a moment’s thought to grout. North Beach residents, however, may be thinking a grout deal about the stuff in the coming weeks. As part of the ongoing plan to extract Central Subway tunnel-boring machines from the derelict Pagoda Palace theater, an engineering firm contracted by the city has proposed injecting “compaction grouting” into the earth to prevent nearby century-old, brick-foundation structures from sinking during the subterranean construction project…

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