| Description | The file contains tables and diagrams, reports and Theatre Projects Consultants Ltd correspondence regarding the electrical installation, such as contactor racks, switchboards, light panels, colour change and remote control systems, at the National Theatre. Subjects discussed include NT improvements; the completion of the Crown House Engineering Ltd sub-contract; obtaining and choosing quotations and estimates; the issue of drawings and record drawings; failures of front of house contactor racks; electrical testing; noise and harmonics problems; issuing of certificates; the Rank Strand contract; valuations; remedial and outstanding works; technical stage sub-contract; and the final account summaries for electrical and mechanical services. Correspondents include the National Theatre; Denys Lasdun Redhouse & Softley; the South Bank Theatre Board; Reyrolle Parsons Ltd; British Standards Institution (BMI); HM Senior Inspector of Factories; Ainsley Controls Ltd; Crown House Engineering Ltd; Flint & Neill Ltd; Rank Strand Electric Ltd; Davis, Belfield and Everest; Sound Research Laboratories Ltd; and UK Solenoid Ltd. The original card folder has been disposed of. 'Elex Installation 904/7B-6' was written on the front, and '904-7B the National Theatre - Electrical Installations File 6 13.2.1979 (10.1.78)' was written on the spine. |