Sustainability Committee

Related News Archive: 2011

CIR Quick, Cost-Effective and Environmentally Friendly

Cold In-Place Recycling (CIR) uses a train of equipment that mills, screens, and crushes the existing asphalt pavement.  Typically 3 to 5 inches of asphalt concrete pavement (AC) is milled.  An asphalt rejuvenating material is then blended with the reclaimed material and the recycled mix is laid back down to form a new pavement structure. More »

Luncheon Presentation on Sustainability

We were happy to have Mr. Tim Psomas, chairman emeritus of PSOMAS, as our guest presenter at the July 19th luncheon.  Mr. Psomas was recently appointed chairman of the board of directors of the Institute for Sustainable Infrastructure (ISI) and was here to speak about the envisionTM, a rating system for sustainable infrastructure.  The goals for the new rating system are economic, environmental, and social in that sustainability must be affordable, have the support of policy makers, communities and stakeholders. It hopes to be recognized as the National Standard for Sustainable Achievement.  ISI also hopes to make the system practical, simple, and adaptable. More »

It’s Official: New Sustainable Infrastructure Rating System is envision

The Institute for Sustainable Infrastructure (ISI) has announced that its sustainable infrastructure rating system, now in pilot testing, will be called envision™. The new rating system is founded on the “triple bottom line” concept of sustainability, which includes environmental, economic and social considerations, and is designed to identify the benefits of sustainable practice for owners, regulators and practitioners. envision™ will be formally launched in the summer of 2011 as a voluntary, downloadable product. Unlike other tools, envision™ will include an option for third-party verification, and will provide a uniform means of assessing a wide range of infrastructure projects, from roads and bridges to energy and water systems. More »

Update on Porous Asphalt

Porous pavement systems can be quite efficient given that the proposed location meets a number of very specific design requirements. Some considerations one should take include: obtaining a thorough geotechnical investigation, verifying adequacy of soil permeability at various depths and locations; understanding existing and potential environmental issues; designing the infiltration bed with a significant factor of safety for the permeability rate; recognizing that the surface of these systems are susceptible to clogging and raveling; and informing your client of maintenance requirements. More »

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