The great divides

Article Abstract:

Acoustic requirements at the Royal Opera House in London, UK meant seven huge doors were needed to partition off vast areas of the theater to enable productions to take place. The door required to close off the rear of the stage weighs up to 64 tonnes and is 17 meters high by 18 meters wide. Plasterboard and steel were the two materials used in the construction of the doors, which were designed by Arup Acoustics and built by German door builder Bayerische Buhnenbau. All the doors are moveable and securely fitted to ensure none fall and injure people.

Equipment and supplies, Engineering services, Engineering firms, Acoustical engineering, Royal Opera House (building)

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Signed, sealed and delivered

Article Abstract:

Issues are presented concerning the publication of the performance-based international standard for the specification of sealants. ISO 11 600: "The Classification of Sealants for Construction and Glazing" will be published in April 2001.

Standards, Publishing industry, Sealants, International Organization for Standardization, ISO 11 600: The Classification of Sealants for Construction and Glazing (Standard), Sealing compounds

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How the West 12 was won

Article Abstract:

The engineering work involved in the refurbishment of the Concord Centre, in Shepherd's Bush, London, is described. The techniques deployed in installing piles and constructing a steel bridge to support a cinema are explained.

Design and construction, Motion picture theaters, Movie theaters, Bridge construction, Shopping centers, Piling (Civil engineering), Pilings (Building)

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