| 1. | Among other measures, the 8, 700-pound roof slab had to be reset.
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| 2. | The roof slab was intended to have at least four inches of concrete.
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| 3. | These have been removed and the openings infilled with a flat roof slab.
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| 4. | The frame has a raked roof slab and circular columns.
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| 5. | Part of the west wall and some roof slabs collapsed after heavy rainfall in January 2008.
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| 6. | Skylights have been cut into the roof slab.
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| 7. | The Dover Quad pillbox is a square pillbox with wide embrasures and an overhanging roof slab.
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| 8. | A fig tree branch has grown down onto, and then along, the top of the roof slab.
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| 9. | Each of the panel's intersecting connection points consists of several individual bolts anchored into the roof slab concrete.
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| 10. | It was a bark-roof slab building.
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