Concrete Products

SEP 2017

Concrete Products covers the issues that attract producers of ready mixed and manufactured concrete focusing on equipment and material technology, market development and management topics.

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Page 40 of 59 September 2017 • 39 FEATURE ZERO ENERGY SYSTEMS Along with Zero Energy Systems, Peoples Energy Training Center project principals were Ujamaa Construction Inc. of Chicago, Graef USA of Milwaukee, and Creative Erectors of Rockford, Ill. a "plotter" station for outlining a panel and inserts onto the pallet or casting table. The pallet then moves to multiple stations where specific functions are completed: first wythe forming plus steel and concrete placement; CNC station for XPS insulation sizing and place- ment; second wythe forming plus steel and concrete placement; finishing station; cure chamber; de-moulding and tilt table; and, crane bay for loading panels onto trailers. Automation and advanced technology equip plant crews to maintain tolerances of 3/8 in. or lower on structural sandwich panels up to 41- x 11-ft. PEOPLES PREFERENCE Zero Energy Systems' top project thus far in Chicago—the largest market in its target region—is the Peoples Energy Training Center. Built in the Little Village neighborhood on the Windy City's west side, it features the high-performance, edge-to-edge insulated, 12-in. structural composite wall system, with 4 inches of reinforced concrete interior and exterior faces and composite connectors sandwiching 4 inches of XPS insulation. The 4/4/4 wall configuration offers an R-Value of 21.56; in contrast to conventional precast/prestressed wall panels, its absence of solid sections eliminates potential thermal bridging and bowing. The Center will host annual training to more than 1,600 Peoples Gas utility workers and fire service officials across the region, while also providing Chicago Public Schools students much-needed voca- tional programming. At a Summer 2017 dedication, Chicago Mayor Rahm Emanuel noted, "We are opening more than a training center; we are opening the doors to future job opportunities for our youth. Training is a critical component that will ensure our workforce, both current and future, have the skills they need to compete for stable, well-paying jobs in the growing field of energy." The 100,000-sq.-ft. facility has indoor and outdoor training areas, including a fully functioning natural gas delivery system harboring 20 structures for training in system maintenance, gas leak investiga- tion, excavation and directional drilling. The campus also has areas for Chicago Fire Department fire prevention training and commercial driver's license training.

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