FAA PDX TRACON HVAC replacement

Ahtna Engineering Services LLC (AES) replaced four large HVAC packaged units on the roof of the main terminal building at PDX that supplied heating and cooling to the FAA TRACON Facility on the third floor of the airport terminal. Our …

DHS Calle de Linea Tunnel

Ahtna is mapping out the path of the tunnel at the steel yard. On March 26, 2012, our team mobilized and initiated the remediation process of tunnel OTM112911 (Calle de Linea) in Otay Mesa, California. A 24-inch diameter access hole …

BLM Taylor Hwy Water Project, Chicken, AK

Ahtna Engineering Services, LLC (AES) performed the construction of a well, arctic pipe, and electrical component installation at the Bureau of Land Management (BLM) Chicken Field Station and the well installation at the Walker Fork Campground. Previously, the water had …

ADEC Tanana Community Hall

Under the previous ADEC HSACM term contract, the same Ahtna Team of Leslie Davis, Rodney Guritz, and Andrew Weller successfully executed site characterization at the Tanana Community Hall site under the DBAC program. Andrew Weller managed the project for the …

ADEC Vapor Intrusion Mitigation Analysis

Ahtna Engineering Services, LLC (Ahtna) was tasked to evaluate mitigation alternatives for a vapor intrusion pathway resulting from the removal a leaking heating oil underground storage tank from a property adjacent to a residence located at 1534 ½ Stacia Street …

ADEC Gaffney Road West

Ahtna Engineering Services, LLC (AES), provided services to mitigate, remediate, and ensure the long-term management of human health risks associated with chlorinated ethene vadose zone soil and groundwater contamination at the Gaffney Road West Site in Fairbanks, Alaska. AES has …