GTA has performed environmental consulting and geotechnical engineering services for Verizon Wireless at more than 4,000 sites proposed for cellular antenna tower installations. Our services have included Phase I & II Site Assessment services performed in accordance with applicable ASTM standards. Phase II assessments typically include soil and groundwater quality characterizations. We have performed NEPA and SHPO evaluations for multiple sites, as well as asbestos and lead survey of existing structures prior to antenna installation. GTA also performed health and safety audits of maintenance and construction contractors performing wireless installations.
GTA has provided geotechnical exploration, sampling and foundation recommendations for new tower sites, as well as soil resistivity testing of various sites for grounding wire design.