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From the Magazine

Drilling & blasting Photo: SlavkoSereda/iStock / Getty Images Plus/Getty Images

Overcoming Oversize: Oversize and confinement (Part 4)

September 17, 2021By

Anthony Konya explores how overconfinement creates oversize and looks at where oversize originates using a 4D view of the blasting process.

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Simply correcting the blasthole spacing can lead to large decreases in oversize produced by a blast. Photo: P&Q Staff

Overcoming Oversize: Oversize and spacing (Part 3)

September 17, 2021By

Anthony Konya addresses how improper blasthole spacing causes oversize to form in a blast pattern, as well as how to use post-blast results to determine spacing changes.

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Payne & Dolan managers can now see what their crushing operations are doing in real time through the Trimble Insight dashboard. Photo: Trimble

Payne & Dolan quarries utilizing cloud-connected belt scales

September 13, 2021By

Cloud-connected belt scales bring fresh insights, better throughput and new levels of efficiency to three Payne & Dolan quarries.

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With a new administration in power and new regulations coming, Pat Jacomet of the Ohio Aggregates & Industrial Minerals Association argues that it’s essential that educational field services be permitted to work alongside producers. Photo: PamElla Lee Photography

The aggregate industry braces for regulatory change (Part 2)

September 11, 2021By

P&Q’s 2021 Roundtable presented a forum to discuss the greatest shifts – or lack thereof – in the Mine Safety & Health Administration since the onset of the Biden administration.

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Says Jonathan Hart of Washington Rock Quarries: “I think we can all generally agree with whatever rules MSHA comes up with, and we can support them. It’s just that one day it’s one way, and the next day it’s different.” Photo: PamElla Lee Photography

The aggregate industry braces for regulatory change (Part 1)

September 10, 2021By

P&Q’s 2021 Roundtable presented a forum to discuss the greatest shifts – or lack thereof – in the Mine Safety & Health Administration since the onset of the Biden administration.

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Photo:

Summer accident surge alarming to MSHA

September 8, 2021By

The Mine Safety & Health Administration (MSHA) reports that six fatal accidents occurred between July 21 and Aug. 11. The agency responded with a number of best safety practices producers should follow.

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Photo: PamElla Lee Photography

Quarry Faces: September 2021

September 8, 2021By

Check out a few photos from the 2021 Pit & Quarry Roundtable & Conference.

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Aggregate producers may see rulemaking on powered haulage safety in 2020, perhaps incorporating requirements for deploying new tech into current safety standards. Photo by Kevin Yanik

2021 fatal accident spike could become a ‘defining’ moment

September 3, 2021By and

A significant increase in mining fatalities in 2021 could prompt action from the Mine Safety & Health Administration. Ogletree Deakins’ Bill Doran and Margo Lopez explain.

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