Safety

Safety of our employees and surrounding communities is a core value for the company. We are committed to our safety and the safety of others. We believe everyone is empowered to stop unsafe actions.

Martin Marietta has extensive safety plans in place to ensure workers and the community are safe and all materials handled or produced on the site is done so responsibly. In addition to technical training, employees receive 62 hours of training annually related to safe practices, ethics and best management practices.

Daily operations include safety tailgate meetings every morning, Job Safety Analysis (JSA) on tasks conducted, observations and near-miss reporting. If an incident takes place, a Root Cause Analysis (RCA’s) is conducted with corrective actions implemented to prevent re-occurrence.

Sustainability

Martin Marietta is committed to sustainable operations. When materials are returned, they are recycled into additional construction products. In addition, used products developed by the operations such as batteries, tires and scrap steel are collected and shipped off site to be recycled. In addition to these recycling activities, energy and water conservation are incorporated within the design and operation of the facility.

Environment

Martin Marietta is a good environmental steward in our operations. We build and operate our facilities at a level well above the requirements of the various regulatory agencies. Highway 34 Operations will be governed by several state and federal regulatory agencies.

The EPA and Colorado Department of Public Health and Environment (CDPHE)’s Air Pollution Control Division regulate the activities proposed on the site (aggregates processing, stockpiling and loading, asphalt, and ready-mix concrete plants). The proposed facility will obtain an air permit by demonstrating compliance with state air-quality standards.

Air emissions modeling is required for all operations on the site, which will detail the required measures to be employed at the site to ensure operations are conducted within the air-quality standards established by CDPHE.

In addition to air permits, the facility will be required to obtain a Weld County Land Use permit, building permits, state engineer permits, fuel storage permits, a storm water management plan, spill prevention control plan, as well as fuel storage and tank safety plans. All of the permits and plans are designed to protect workers, the public and the environment.

Sound Control

Based on the sound analysis study prepared for the project, the proposed Highway 34 Development would meet County and State noise regulations without incorporating noise mitigation techniques into the site plan or the plant operational activities. However, in the interests of being a good neighbor and improving land use compatibility, noise mitigation techniques are being implemented at the site including the use of earthen berms, white noise back-up alarms, a below-grade hopper, and acoustical enclosures.

Visibility

All proposed buildings will be painted a neutral color to blend into the landscape. The proposed asphalt and concrete production areas are located on the western side of the site, away from the Indianhead Estates neighborhood.  An earthen berm is proposed along the northeast, east and southeastern edges of the site.  This berm will serve as both a visual and sound barrier to neighboring properties. The berm will be vegetated with native grasses.  In addition to this berm at the edge of the property, two more berms are proposed to be constructed on the interior of the rail spur loop to further shield activities and noise from surrounding properties.

>> Project Visual Analysis Model (3D images)

Dust Mitigation

Martin Marietta will incorporate dust control measures at the facility to remain in compliance with our air quality permit. Plant designs are optimized to minimize dust exposure through engineering, bag houses and water sprays and most of our manufacturing operations are covered and capture most dust.

Water trucks and sprays will be used in areas where dust may be generated. Main roads in and out of the facility and around the ready-mix and asphalt plants will be paved.

Odor Control

Martin Marietta will comply with the federal, state and local odor regulations. Asphalt plants can occasionally generate an odor; however, Martin Marietta already plans to take steps to minimize odor generation through plant design and a vertical orientation of the liquid AC tanks. This reduces internal asphalt surface area by 83 percent, which is expected to significantly reduce odors.

Water

Water is a precious resource in Colorado and Martin Marietta will manage this resource carefully by recycling the water used on the site. Additionally, the site is designed to conserve water within the facility.

Little Thompson Water District currently provides potable water service to Gerrard’s operation on this site. In addition, the property has ditch shares. The ditch water is used and, as much as possible, it will continue to be used for irrigating the undeveloped, vegetated portions of the site through flood irrigating. Martin Marietta will also obtain water from Little Thompson Water District for the proposed operations.


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