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 36 of 59 September 2017 • 35 COVER STORY NORTHEAST PRESTRESSED Now enclosed, the batch plant has a 4-yd. ACT/Wiggert HPGM 4500 planetary coun- tercurrent pan mixer and 600 tons of heated aggregate storage. A skip hoist loads the mixer, which discharges via a chute through the wall to crane buckets waiting on the other side. A two-position shuttle cart (left), located just below the mixer discharge chute, can hold two crane buckets. The crane operator can place an empty bucket on the cart and immediately pick up a full bucket without wait time. The WCS Control System (above left) also allows for unattended, automatic batch- ing or remote control from production floor or crane call stations. It affords intu- itive color-coded real-time display of critical elements of the batching process, as well as tracking of production statistics and reporting for material consumption, inventory, and maintenance scheduling. Ramp up of mix pro- duction capability plus girder and deck panel fabrication—all tied to the Goethals Bridge and Pennsylvania Rap- id Bridge Replacement contracts— began in 2015. Advanced Con- crete Technologies configured a modular MobilMat Mo4500-5- WCS batch plant for construction along the exterior of NPP's main girder production line.

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