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5. Blue Planet Aquarium, Ellesmere PortArchitects Buttress Fuller AlsopWilliams designed this building toresemble a crashing wave specifyingKalzip for its ability to accommodatethe demands of the geometry as wellas its low maintenance requirementsand durability in this essentially marineenvironment.The tightly curved sheets at the front ofthe building comprise ten metre lengthsof curved Kalzip 400 profile which changeradii four times within this relatively shortlength. The rest of the building is cladwith 50 metre long sheets curved on site.A Kalzip fall arrest system was installed togive safe access to the roof.The 17 acre Blue Planet complex takesvisitors on an incredible aquatic journeythrough five themed areas from mountainstreams to the depth of the ocean.Architect:Buttress Fuller Alsop Williams6. O2 Telecommunications Headquarters, RuncornA spectacular Kalzip wave form roofcrowns the O2 UK Ltd telecommunicationsheadquarters alongside the M56 nearRuncorn.The multi-purpose building houses thecustomer services, sales andadministration support of this majormobile telecommunications serviceprovider.Kalzip sheets of more than 88 metres inlength were roll-formed on site to giveunbroken coverage on the roof of morethan 9,300 square metres. The roofincorporates a continuous roof lightrunning along the length of the buildingforming an atrium to the officecomplex.A separate single storey servicebuilding is also roofed in Kalzip and asmall area of Kalzip tapered to a radiusof 25 metres forms a canopy above themain entrance area.Architects:Bradford Robertson ArchitectsApproved Teamkal contractor:Hathaway Roofing Ltd6 Kalzip coast to coast