The last few construction updates have focused on the framing of the Control Room roof with the Annex masonry work visible in the background. This week the Annex masonry takes center stage, with the completion of the top bond beam. If you’ve been following the blog, you know why this is such a major event. If not, refresh your knowledge with the postings from Week 81, Week 82, and Week 83. (And if you want a really complete refresher, Week 86 and Week 89.) The bond beam in question this week is the longest one of the project, and with some deep pilasters also to fill, there’s 25 tons (!) of materials to lift into place. Let’s start!
Here is the last gap in the blocks to be filled before the bond beam can be established:
And here are the 100 bags of concrete which will combine with 8 tons of gravel, 12 tons of sand, and a ton or so of water to make our 25 tons of grout:








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