Acoustics & Noise Control, Air Quality & GHG, Biological Resource Studies, CEQA/NEPA Compliance, Cultural Resource Management, Featured Transportation, Projects, Regulatory Permitting, Transportation, Visual Analysis
Working with a local engineering firm, HELIX is conducting environmental compliance studies in support of CEQA/NEPA documentation for two bridge replacement projects in Calaveras County (Caltrans District 10). HELIX prepared the draft Preliminary Environmental Study...
Acoustics & Noise Control, Biological Resource Studies, CEQA/NEPA Compliance, Cultural Resource Management, Featured Transportation, Projects, Sectors, Transportation, Visual Analysis
HELIX provided environmental consulting services to evaluate the general alignment locations for State Route (SR-) 11 and a future land port of entry and commercial vehicle enforcement facility in south San Diego County at the U.S./Mexico border, plus associated...
Acoustics & Noise Control, Biological Resource Studies, Featured Acoustics, Featured Regulatory, Featured Transportation, Projects, Regulatory Permitting, Transportation
HELIX Environmental Planning (HELIX) has provided environmental services for several SANDAG Los Angeles-San Diego-San Luis Obispo (LOSSAN) Double Track projects. Services included environmental program scoping; environmental constraints/alternatives analysis;...