lifting pin

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Any of several metal devices used in hoisting stone blocks, columns, or other heavy masonry units; consists of a dovetailed tenon, made in sections, which is fitted into a dovetailed recess cut in the masonry unit.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Determining that the traditional method of laying down the pipe and fabricating the bend from the middle would be time-consuming and difficult due to product scale--and compounded by hauling and trailer-securement challenges--they chose to leave the pipe in the standing position and fabricate the bend from the top, just below the lifting pins. The only other product that might have been allowed in lieu of the 144-in.