Info

(derated)

* Center-to-side flow. tSide-to-center flow.

* Center-to-side flow. tSide-to-center flow.

Comment. The check confirms that the bottom section is adequately sized, but it does raise concerns about the top section. With both alternate checks indicating a potential problem in the top section, it will pay to increase the tray spacing to 21 in.

Summary. Following the flooding checks, the column diameter remains at 6 ft. The tray layout remains as specified at the beginning of this section. However, the tray spacing in the top section is extended from 18 to 21 in, so that the tower has 24-in tray spacing in the bottom section and 21-in tray spacing in the top section.

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