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CLEAN SWEEP

PRAIRIE MATERIALPrairie Material, paving crew demonstrate power-troweled, broomed RCC

A new finishing method for roller compacted concrete pavement nets surface durability and uniformity to give contractors or owners pause on incurring the expense of asphalt wear courses commonly specified over RCC bases. The first commercial application took place at a suburban Chicago jobsite with Bridgeview, Ill., ready mixed producer VCNA Prairie Material leading the charge.

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Operational Smarts

The Erie Strayer Model MP-11P has a maintenance platform for easy access to hopper gates on the 100-yd. aggregate storage bin, delivered with Z partition to net five compartments. Truck alley alignment with the bin limits the batch transfer conveyor length to accelerate mixer loading. The 1,150-bbl. silo, split in one-third and two-thirds, is equipped with internal ducting, 3-in. fly ash return pipe. Placement of the C&W dust collector on the platform opens up ground level space. Recession, slow recovery no barrier to Virginia independent’s growth beyond small market base

By Don Marsh

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ENGINEERING GROWTH

Rinker Division/Cemex USA’s Rick Traylor chairs American Concrete Pipe Association

By Steven Prokopy

As slow, controlled, steady economic growth has dared to allow those in the drainage products business to be hopeful for state and federal construction budgets advancing long-delayed capital investments, the American Concrete Pipe Association has been hiring regional engineers to put more boots on the ground and help members promote the benefits of structures to state department of transportation officials and other prospects.

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