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Reclaiming Revisited

Improving market conditions, land-locked sister properties, plus safety and environmental factors have spurred an upgrade of Graniterock’s Redwood City Building Materials property, one of the company’s two integrated ready mixed, asphalt and recycling plants serving Silicon Valley. The Redwood City site sources aggregate by rail from the Graniterock Aromas quarry, about 75 miles south.Continuous improvement of processes and people is long-standing in the ready mixed concrete, aggregate, recycling and road-building businesses of Watsonville, Calif.-based Graniterock. The practice also applies to property, as demonstrated at the Redwood City Building Materials site, where the producer is revisiting a) returned concrete and truck washout handling methods sidelined since the late 1990s and, b) space utilization on a limited footprint. 

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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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