b'10 STLRUNWAYSasbestos was used for the runway. When After two construction seasons of work, the newly paved,another layer was added in the 1980s, we narrower runway is on track to reopen in November. had a sandwich situation. The base layer was made from 13 inches of concrete. The middle asphalt layer was about 8 inches thick. The top layer had 15 inches of concrete.Geo-testing and extensive core samples indicated that most of the middle asphalt layer contained asbestos. Prime contractor Millstone Weber was tasked with removing it. We were very careful to remove the top layer of concrete to expose the asphalt layer, states Bob Leingang, the companys senior vice president of Engineering and Estimating. We are not aBOB LEINGANGlicensed asbestos waste disposal contractor, so a subcontractor was brought in to do that job. We used our equipment and trained personnel to assist in the removal and loading, but everything in Contact information: Matteo Colombo: mco@concretum.com|info@concretum.com CONCRETUM.COMConcretum being used at Charlotte Douglas International Airport (CLT)to replace five damaged concrete slabs on one of its busiest taxi lanes. Concretum, the fastest concrete!Concretum High-Early Strength ConcreteDeveloped for time sensitive concrete pavement rehabilitation, Concretum high-early strength concrete allows the reopening of runways and taxiways just a few hours after its placement. Produced and placed like conventional concrete, it hardens as quicklyas no other concrete, while providing decades of service life.October 2023AirportImprovement.com'