HELIX Environmental Planning prepared an Environmental Impact Report (EIR) and conducted associated technical studies (including biological resources, acoustics, and air quality/greenhouse gas emission calculations) for a proposed recharge site and associated...
HELIX Environmental Planning (HELIX) provided initial building construction planning including noise control for a physician’s office from jet overpass noise from MCAS Miramar and reverberation planning for the large atrium entranceway to the building. Post...
HELIX Environmental Planning (HELIX) conducted an acoustical study for the Robert T. Matsui Courthouse in the City of Sacramento to determine compliance with original project noise control specifications and privacy requirements and determine potential building...
HELIX Environmental Planning (HELIX) is providing environmental consulting and biological services on a 52-acre project site in the community of Spring Valley within the unincorporated portion of the County of San Diego. The Project proposes development of a new...
HELIX Environmental Planning (HELIX) provided CEQA and NEPA-related environmental support services for this proposed groundwater recharge project along the San Gabriel River in Los Angeles County. The project, proposed by the Upper San Gabriel Valley Municipal Water...
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