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Manhole hoop holder

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One of the latest additions to A-Lok Products’ precast accessories line is the hoop support. The injection-molded, polypropylene device fits a ¼-in. diameter hole drilled into a manhole or riser core, and positions reinforcing hoops just over 2 inches from the inner wall with an end cradle. The support’s serrated locking mechanism snaps off the core when the form is stripped. The product was developed for customers choosing steel hoops over traditional welded wire fabric, per recent changes in ASTM C-478, Standard Specification for Circular Precast Reinforced Concrete Manhole Sections. — A-Lok Products, Tullytown, Pa., 800/822-2565, 215/547-3366; www.a-lok.com