| Description | The file contains Theatre Projects Consultants Ltd correspondence with various contractors regarding the electrical installation under the technical stage contract as well as file notes. Topics covered include lightning conductors, distribution and control wiring, foyer and working light control and installation, delays to work, clocks, disagreements over price, GFP mains panels, quotations, switchboards, comparing tenders, switchgear, a proposal to move dimmer racks, testing and inspection, progress of the technical stage wiring installation, external floodlighting, control rooms, stand-by power facilities, dimmer rooms, additional facilities boxes, a Crown House Engineering Ltd claim for loss and expenses, fly tower carcassing, the matrix room and its CO2 system, what will happen to surplice cables, lighting tests, CCTV cables, control room finishes, sound and communication wiring and the auditorium lighting installation. Correspondents include Denys Lasdun & Partners; Evershed Power-Optics Ltd; Rank Strand Electric Ltd; Sir Robert McAlpine & Sons Ltd; Derek Mardon (Electrical Clerk of Works); Crown House Engineering Ltd; Sloane Electrical (electrical engineers & contractors); Davis, Belfield and Everest; D. Robinson & Co; Londex; Ainslie Controls Ltd; Medgar Engineering; Reyrolle Belmos (Reyrolle Parsons Group); Varilectric Ltd; Jones + Jennings (specialists in electrical equipment); Flint & Neill Ltd; Varilectric Ltd; Dreadnought Shutter & Door Co; the South Bank Theatre Board; the Greater London Council (GLC); Mole Richardson (Stage & Studio Engineering) Ltd; J. W. Gray & Son; the National Theatre; Pye Business Communications Ltd; and Light Limited (of the Theatre Projects Group).The file includes a handwritten list of relevant drawings, claims tables submitted by Crown House Engineering Ltd, a bar graph showing the issue of electrical drawings through time, and drawing number F/10831/A 'Crown House Engineering Ltd General Arrangement of M. V. Switchboard Ref. T.P.2. Lower Theatre Dimmer Room, For New National Theatre, London'. The original card folder has been disposed of. It had 'Elex Sub-Contract 9004/7B. April 74-Jan 75.' written on the front, and 904/7B (4) Electrical Installations (Closed 31-1-75 Opened 1-4-74)' written on the spine. |