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Cellular floor system to be used with concrete framed structures.

Pittsburgh-based H.H. Robertson Company, in conjunction with its sister company, Ceco Concrete Construction (an Oakbrook Terrace, IL-based concrete forming supplier), has introduced cellular floor technology to concrete framed structures.

The Cellcast Floor System provides the first high-capacity, low-cost wire and cable distribution system for cast-in-place concrete structures. The new system offers many advantages over conventional flat slab design with "add on" wiring systems. The Cellcast Floor System offers the following advantages:

* provides a built-in wire raceway system;

* eliminates conventional slab forming, shoring, and removal of forms;

* eliminates positive moment slab rebars;

* provides steel floor units that carry all dead and live loads;

* speeds erection with pre-sized, stay-in-place steel forms;

* requires no extra building height (it utilizes 5-1/2-inch or 6-inch depth of concrete slabs).

A patent application has been filed and applicable code approvals are being secured. Extensive laboratory testing included 30 beam and slab tests performed and witnessed by personnel of Pittsburgh Testing Laboratories, a division of PSI, Inc.

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Title Annotation:cellular floor technology developed by H.H. Robertson Co.
Date:Sep 1, 1991
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