| Description | The file contains correspondence and enclosures, file notes and sketches covering a variety of topics related to electrical installation, such as wiring routes; emergency lighting; general facilities panel box; maintaining performances in the event of a power cut; electrical maximum demand prediction; safety lighting; electrical layout and trunking. Correspondents include Theatre Projects Consultants Ltd, Flint & Neill Ltd, Denys Lasdun & Partners, Sir Robert McAlpine & Sons Ltd, Lucas Metal Work Co Ltd, Frenger Ltd, Ottermill Ltd (switchgear suppliers), Reyrolle Belmos, Dorman Smith Switchgear Ltd, and Varilectric Ltd, Heeler Crittall Berry Ltd, The Ribbans Engineering Co, Ventel Ltd; Ascog - Avonlux, Horsell Electrics Ltd, Davis, Belfield and Everest, Aluminium Wire & Cable Company Ltd, Rank Strand Electric Ltd, Matthew Hall Mechanical Service Ltd, Drake & Gorham (Contractors) Ltd, Troughton & Young Ltd, Jame Schott & Co (Electrical Engineers) Ltd, Haden Electrical Ltd, and N. G. Bailey & Co Ltd. Items include multiple quotations for the switchgear and the electrical services for the technical stage installation, a brochure from Simplex Power Centre, two versions of sketch 904/SK 495 'Elevation from Dimmer Room of Part Wall 7 - Upper Theatre', two versions of sketch 904/SK 496 'Plan of Part Dimmer Room - Upper Theatre', rough sketches showing the directors box and projection room, sketch 'Lower Theatre FOH Bridges', rough sketches showing the Lower Theatre Grid Floor and the Lower Theatre Basement, sketch 904/SK 492 'Upper Theatre Stage Lobbies', rough sketches of the grid trunking and hoist connections and the control room schematic. Original folder disposed of. The front of the folder was missing but 'Elec Install' was written on the back. |