| · |
Conduct wayside community noise surveys (measurements) and forecast noise
impacts of projects (modeling) implementing guidelines of Caltrans, the
sponsoring local agency, or FHWA regulations [23 CFR §772] as
appropriate. |
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Conduct air quality impact studies of projects and provide the necessary
analyses with respect to conformity to the federal clean air act (applying the
required local, state or federal protocols). |
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Prepare and investigate soundwall designs to shield wayside receptors,
generally using an FHWA-approved barrier attenuation model, and tally
benefits for cost comparisons. |