http://annarborchronicle.com/2010/06/25/fifth-william-8/?utm_source=rss&utm_medium=rss&utm_campaign=fifth-william-8 it's like being there Tue, 16 Sep 2014 04:56:38 +0000 hourly 1 http://wordpress.org/?v=3.5.2 http://annarborchronicle.com/2010/06/25/fifth-william-8/comment-page-1/#comment-48426 eli Fri, 25 Jun 2010 18:22:42 +0000 http://annarborchronicle.com/?p=45563#comment-48426 Actually they’re spraying high-pressure cement waterproofing; it accretes to a thick grey coating that lines the walls of the pit. The outside walls of the parking garage will then be built within that waterproofed envelope. Note the respirator, not usually needed for powerwashing.

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