PRAN vs. PRAH: THE PENETRON DIFFERENCE

®T O T A L C O N C R E T E P R O T E C T I O NChennai InternationalAirport, IndiaExpanded and modernized tomeet higher traffic demands, theChennai International Airportexpanded the internationalterminal, and added a newdomestic passenger terminal, amulti-level car parking facility anda parallel runway to boostcapacity to 16 million passengersa year. Located adjacent to theBay of Bengal, the airport’sfluctuating ground water levels(-10 m in summer and -3 mduring monsoon) demanded thorough waterproofing of all concrete structures and the concrete joints in thebasement (10m deep). In total, 125 tons of PENETRON ADMIX ® were used in the basement slabs and retainingwalls; 15,000 meters of PENEBAR SW-45 swellable-type waterstops were used to prevent water ingress alongthe concrete joints.8