More from Therese Dunphy

Therese Dunphy has been covering the aggregates industry since 1991 and helped launch Aggregates Manager in 1996.

State and Province News

Feb 03, 2015

California The Napa County Planning Commission will meet on Feb. 18 to continue its review of a request to expand Syar Quarry. According to the Napa Valley Register, the operator wants to expand its 497-acre operation by 124 acres and increase ...

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Rollouts – February 2015

Feb 03, 2015

Rollouts – February 2015

Tier 4 articulated dump truck Komatsu introduces its HM300-5 articulated dump truck. Featuring 324 net horsepower, the truck is powered by a Komatsu SAA6D125E-7 Tier 4 Final engine. With a 30.9-ton payload and a gross vehicle weight of 117,892 pounds, the truck ...

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Je Suis Charlie

Feb 03, 2015

Je Suis Charlie

Although I typically write about aggregates-specific issues on this page, I’m taking a bit of a break this month to talk to you about the folks on the other side of these pages, professional journalists such as those who write ...

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Make plans to attend AGG1

Feb 03, 2015

Make plans  to attend AGG1

It’s time to finalize your plans to attend the AGG1 Aggregates Academy & Expo, which is, once again, co-located with the World of Asphalt. The event is scheduled for Tuesday, March 17, through Thursday, March 19, at the Baltimore Convention ...

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Plan and prepare for a safe 2015

Jan 09, 2015

Plan and prepare for a safe 2015

In 2014, the Mine Safety and Health Administration (MSHA) reports that 24 fatalities occurred at metal/non-metal mines; the highest number of fatalities on record since 2010. Over the last five years (2010-2014), several categories of accidents have consistently accounted for fatalities, including ...

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Terex offers its largest modular screen

Jan 07, 2015

Terex offers its largest modular screen

Terex MPS rolls out its largest modular screening unit to date, the MHS8203 Horizontal Screen Module. The unit features the new Terex Cedarapids LJ-TSV 8- x 20-foot screen with El-Jay oval stroke action. Its easy-to-use blending gate system and rolling ...

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25 Days of RollOuts: Volvo’s EC250E Excavator

Jan 06, 2015

25 Days of RollOuts: Volvo’s EC250E Excavator

The Volvo EC250E crawler excavator delivers a 5-percent improvement in fuel efficiency compared to past models. The gain is attributed not only to the Tier 4 Final Volvo engine, but also to a range of features that optimize flow and ...

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California aggregates tax could be a nightmare for operators

Jan 05, 2015

In most aggregates operations, producers look for ways to shave pennies, nickels, and dimes from their cost per ton. After all, in a traditionally low-margin, high-volume market, those pennies can add up to serious bucks on an annual basis. Now, imagine ...

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Take a look at Cat’s 6020B hydraulic shovel

Jan 05, 2015

Take a look at Cat’s 6020B hydraulic shovel

Caterpillar unveiled its new 6020B hydraulic shovel before customers and the press at its Tinaja Hills proving grounds in November. With a 24-ton payload, the 247-ton unit is well matched with the Cat 777G haul trucks. “Today is a day I’ve ...

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State and province news – January 2015

Jan 05, 2015

Iowa The Higman family announced that it sold its Akron aggregates business to Sioux Falls-based L.G. Everist Inc. Steve Mousel, the new owner’s chief financial officer, told The Akron Hometowner that “we have an opportunity here for one family-owned business to ...

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Operators report best annual business results since 2006, seem bullish on 2015 expectations

Jan 05, 2015

Operators report best annual business results since 2006, seem bullish on 2015 expectations

Optimism seems to be flowing in the aggregates industry. Whether operators have adjusted to a new normal or the construction materials market is truly well on its way to recovery may be open to debate, but operators responding to the ...

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25 Days of RollOuts: Terex Washing System’s AggreScrub 150

Jan 05, 2015

25 Days of RollOuts: Terex Washing System’s AggreScrub 150

Terex Washing System’s AggreScrub 150 is designed to separate stubborn clay material that cannot be removed by rinsing or screening alone. The system can work as a standalone unit or in conjunction with Terex’s AggreSand plant. The modular plant includes ...

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