Features

Bill Doran says there is a different atmosphere around MSHA now that Assistant Secretary David Zatezalo is leading the agency centered on mine safety and health. Photo courtesy of PamElla Lee Photography.

Dissecting MSHA’s 2019 agenda

P&Q Staff Published Apr 22, 2019

The tone coming out of the Mine Safety & Health Administration shifted under the current administration, but frontline changes are slow to surface. Keep Reading

NSSGA President and CEO Michael Johnson, right, with P&Q’s Kevin Yanik during the Pit & Quarry Roundtable & Conference. Photo courtesy of PamElla Lee Photography.

The latest on legislative & government affairs

P&Q Staff Published Apr 19, 2019

Michael Johnson, president and CEO of the National Stone, Sand & Gravel Association, discussed developments in Washington at the 2019 P&Q Roundtable & Conference. Keep Reading

In terms of rock strength, blasts today are often designed only considering rock density because rock generally gets stronger as it gets denser. Photo: iStock.com/xtrekx

Blasting mechanics: Material properties and powder factor

Anthony Konya and Dr. Calvin J. Konya Published Apr 17, 2019

Read about the true influence rock strength, rock structure, velocity and powder factor have on a quarry blast’s effectiveness. Keep Reading

With Apex, Midwest Concrete Materials eliminated re-entering tickets for billing, reducing office time and decreasing the chance for errors, the company says. Photo courtesy of Command Alkon.

How Midwest Concrete Materials simplified dispatch efforts

Karli Langner Published Apr 16, 2019

New technology at Midwest Concrete Materials is helping to minimize a systemic problem producers everywhere face in loadout processes. Keep Reading

Washington Samuel Tyler set wire product standards and developed equipment that changed the nature of screening. Photo by PamElla Lee Photography.

Haver founder’s descendant pays homage to screening pioneer

P&Q Staff Published Apr 15, 2019

Niklas Haver, chairman at Major, a Haver & Boecker company, accepted the 2019 Pit & Quarry Hall of Fame honor on behalf of Washington Samuel Tyler. Keep Reading

Aggregate producers are raising concerns as MSHA merges coal inspectors with the metal/nonmetal mining sector. Photo by Kevin Yanik

Aggregate producers reflect on ‘One MSHA’ initiative

P&Q Staff Published Apr 12, 2019

A number of producers are troubled by the shift of Mine Safety & Health Administration (MSHA) inspectors from the coal side to metal/nonmetal the initiative. Keep Reading

In his induction remarks, George Sidney characterized the aggregate industry as a noble industry, one that represents a base for everything. “Everything starts with us,” he says, “whether it’s construction aggregate or the mining and mineral processing industries.” Photo by PamElla Lee Photography.

Former McLanahan president reflects on his career journey

P&Q Staff Published Apr 11, 2019

George Sidney joined McLanahan as a design engineer before working his way up to president and COO. Now he holds a place in the P&Q Hall of Fame. Keep Reading

Manfred Freissle touched on his signature development, synthetic modular screen media, during his Hall of Fame induction speech. Says Freissle: “We proved it over many years.” Photo by PamElla Lee Photography.

Faith, family and friends drove Polydeck’s Freissle

P&Q Staff Published Apr 10, 2019

Manfred Freissle, the co-founder of Polydeck, describes the support he received throughout his career during his acceptance at the P&Q Hall of Fame. Keep Reading