Page 46 - Martin Marietta - 2024 Sustainability Report
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SAFE OPERATIONS
KEY DIAMOND AWARD PERFORMANCE METRICS
• Lost-time incidence rate • Corporate citizenship
• Total incidence rate • Innovation
• Environmental stewardship • Weighted average cost of capital
• Sustainability • Return on investment
• Productivity • No environmental notices of violation
In 2024 our Ames underground mine in Ames, lowa was recognized as our DIAMOND ELITE AWARD winner for the
first time. The mine has been operating more than 40 years under Martin Marietta. And while many aspects of the site
have changed, perhaps the most significant aspect that has remained constant to the site’s integrity is its dedication to
the community and to safety. One way the crew keeps safe work at the forefront of their daily tasks is by reciting the
Guardian Angel Creed at the start of each shift. Kenny Wyman, daytime safety lead, said the Guardian Angel Creed is an
oath of integrity that helps everyone on site remember to do the right thing every day.
Surface Processing and Stockpile Area at
Our Ames Underground Mine
Ames, Iowa
44 2024 SUSTAINABILITY REPORT
