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Old 01-02-2014, 08:17 PM
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JimN JimN is offline
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Join Date: Jul 2004
Posts: 13,169
That doesn't seem to have the raised square on it, for removing when it needs to be cleaned out. It may have been intended as an inlet at construction, but capped off. If you scrape around the cover's perimeter and see lead and what looks like rope impregnated with wax (oakum), it's not a clean-out and is supposed to be permanent. It may have had tar dripped into the joint, too.
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