904/7B (3) Electrical Installations

  • This material is held at
  • Reference
      GB 2080 TPC/1/31/3
  • Dates of Creation
      08 June 1973-22 March 1974
  • Physical Description
      4 folders

Scope and Content

The file contains sketches, tables and Theatre Projects Consultants Ltd correspondence with consultants and contractors regarding aspects of the electrical installation, such as the drum revolve motor protection, M V switchgear, safety lighting and production lighting, at the National Theatre. Topics covered in the correspondence include the issue of drawings, the creation of an electrical services manual, loadings and capacities, switchboard co-incident loads, quotations for equipment and installation, lighting proposals, test and inspections, dimmer room layouts, the purchase of parts and equipment, conduit installation, sub-contracting of the wiring; and methods of control in the foyers. Correspondents include Flint & Neill Ltd; Sir Robert McAlpine & Sons Ltd; the Greater London Council (GLC); Varilectric Ltd; Jones + Jennings Ltd; Crown House Engineering Ltd; Denys Lasdun & Partners; Davis, Belfield and Everest; MK Electric Ltd; Ainslie Controls Ltd; Ascog Ltd; Rank Strand Electric Ltd; Evershed Power-Optics Ltd; the South Bank Theatre Board; Reyrolle Belmos (Reyrolle Parsons); Niphan Ltd; Derek Mardon (Electrical Clerk of Works); Phillips Bros Ltd; PPD Electrical Contractors Ltd; Reliance Cords & Cables Ltd; Mole Richardson (Stage & Studio Engineering) Ltd; Pye Business Communications Ltd; F. H. Pride; Stafford King (Controls) Ltd; W. H. Tew & Co Ltd; Horsell Electrics Ltd; and Concord Lighting International. The file includes a list of sub-contractors for the electrical installation, a list of indexed 'National Theatre Closed Files', sketch SK NR 101 'Plan of Revolve Machine Room', sketch number 115/4SK 'Prototypes for Stage Area Lighting Units' and drawing number D.115/4 'Ref: Drawing for NQR Series 2x6'85w, & 2x8-85w Fluorescent Batten Lighting Units; With Steel, Open-End Reflectors, Slotted for Upward Light'. At the front of the original folder there was a list of 'the National Theatre Closed Files.' The original card folder has been disposed of. '904/7B (3) Electrical Installations' was written on the spine.

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