A2: City Hall

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Ann Arbor’s City Hall will be closed on Thursday, April 15 due to high levels of carbon monoxide likely caused by construction, according to a city press release. “Preliminary investigation indicates the carbon monoxide was generated by an excavator working in a depression on the southwest side of Larcom between City Hall and the new 15th District Court and Police building. Given strong winds from the south and uncapped wiring access tubes installed low in the basement wall, it appears that exhaust from the machine was sucked into the building and then sucked through the stairwells and elevator shafts to other parts of City Hall.” Offices are expected to reopen on Friday. [Source]