ReferencesA selection of solutions provided by Gerhardt Christensen.Dagbladet Aktuelt (newspaper), Copenhagen, Denmark.Rabbeted floor plate cover, used for emergency exitCopenhagen CouncilRecessed floor plate cover, Abel CathrinesgadeAlbertslund CouncilRecessed floor plate cover.Berliner Philharmoniker concert houseRecessed floor plate cover w/ granite covering.Stockholm WaterRecessed floor plate cover w/ cobblestone covering. Riddarhuskajen, Stockholm, Sweden.Horsens CouncilNon-return flaps Type KV60Kolding CouncilRecessed Floor Plate Cover – Paving and Cobblestone CoveringCopenhagen Airport4-part Airport Cover Airport cover for power outletFrederikshavn CouncilNon-return flap KV O99 – FF – SpecialRoskilde CouncilSlide Valve Treatment plant Bjergmarken