Project Highlights

  • Geo‐Seal® provided a proven, chemically‐resistant technology which effectively sealed around plumbing, electrical penetrations, and foundation terminations
  • Approximately 90,000 square feet of Geo‐Seal and Vapor‐Vent successfully installed
  • Applied in below freezing temperatures and winter conditions

Project Summary

The Alta Alameda Station, developed by Wood Partners, L.L.C., is a 338‐unit luxury apartment community located in the diverse and urban Baker neighborhood of Denver, Colorado. The three‐building, four‐story, residential project is constructed on the former Denver Studio Complex that was used in the production of many Perry Mason movies. It is directly across the street from the Alameda Light Rail station, the hub of Denver’s mass transit system which provides access to downtown Denver and the Denver Tech Center. Terracon Consultants, Inc. specified the Geo‐Seal vapor intrusion barrier with Vapor‐Vent to protect the buildings from contaminant vapor intrusion. The concept behind the specified approach was to provide a barrier to block all vapor intrusion pathways and provide a vapor collection system underneath the membrane to alleviate the buildup of vapors by passively venting the vapor from beneath the building.Ideal for sites where residual contamination is known, but not fully characterized, Geo‐Seal and Vapor‐Vent provide building owners with long‐term vapor intrusion protection and no maintenance. Geo‐Seal was selected over other barrier technologies due its protection against chlorinated solvent‐type contamination and the ability to be applied in colder temperatures. To provide additional peace of mind to the client, Land Science® provided a 20‐year warranty against vapor intrusion for the Geo‐Seal system.

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