Colloid Environmental Technologies Company (CETCO)

Spray-applied gas vapor barrier chosen as voc protection on former superfund site case study


Project: Meadows @ Riverwalk
Location: Midvale, UT
Products: Liquid Boot Gas Vapor Mitigation System, GeoVent™ Gas Venting System

Background: The location of the project was a former Superfund site PCE, metals and arsenic contamination in the soil.

Challenge: The multi-family housing project was a HUD development with 256 units. Contaminants from the former Superfund site included PCE, metals, arsenic. The contractor was given a very competative number by a CETCO competator. Once the contract was awared to Advanced Construction the project was phased out for the 18 buildings which could have been an issue due to mobilizations.

Solution: CETCO, the engineer and the approved Liquid Boot installer, worked with the general contractor for over a year to ensure that correct design and installation would allow the project to come in under budget and within the construction schedule. The gas vapor mitigation consisted of installation of 9,500 lineal feet of GeoVent™ sub-slab ventilation, 111,000 square feet of the Liquid Boot gas vapor mitigation system.

Though competition came in with an aggressive bid, superior techincal assistance and professionalism provided by both the installer and CETCO, as well as the level of repore built with the general contractor, locked up the contract.

Result: Advanced Contstruction Technologies experience spraying Liquid Boot for over 10 years allowed their team to finish each phase ahead of schedule to ensure the following subcontractors could mobilize on schedule. The customer was very happy with the professional manner and level of technical support that the Liquid Boot installer and CETCO provided.

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