| Description | The file contains Theatre Projects Consultants Ltd correspondence with various contractors regarding the electrical installation as well as notes and sketches. Topics covered include the target completion programme and possible problems in achieving it; foyer and working light system control panel and tenders; production lighting desks; tests and inspections; rehearsal room communications wiring; the issuing of record drawings; lack of progress and losses on the Sloane Electrical Ltd sub-contract; component product information; the over-ordering of cable; foyer control panel; auditorium safety lighting; payment of invoices; damage due to flooding; air circuit breakers; safety lighting dimmers; dimmer room; power flying defects; overheating transformers; maintenance instructions; breakdown and failures in lighting control equipment; telephone outlets; lack of a site foreman; disputed charges; switchboards and pin polarity. Correspondents include the Greater London Council (GLC); Denys Lasdun & Partners / Denys Lasdun Redhouse & Softley; Light Limited (of the Theatre Projects Group); Sir Robert McAlpine & Sons Ltd; Derek Mardon (Electrical Clerk of Works); Rank Strand Electric Ltd; Ainslie Controls Ltd; Crown House Engineering Ltd; Sloane Electrical Ltd; Londex Ltd; Flint & Neill Ltd; Tele-Stage Associates Ltd; Claude Lyons Ltd; Engel & Gibbs Ltd; Varilectric Ltd; Davis, Belfield and Everest; the South Bank Theatre Board; London Electricity; the National Theatre; Ludwig Pani; Reyrolle Belmos; and UK Solenoid Ltd. The file includes sketch number 904 - SK 871 'National Theatre Working Light System Down Stage Left Control Panel', drawing number QS/10078 'DOL Starter / Reverser to Operate Windows Etc.', drawing number IC14517 issue A 'Keyswitch Panel Ass'y', drawing number D.115/4/R2 'Ref: Drawing for NQR Series 2x6-85w, & 2x8 - 85w. Fluorescent Batten Lighting Units; With Steel, Opened-end Reflectors, Slotted for Upward Light', and a visit report to Vienna to look at their electrical installation; The original card folder has been disposed of. 'File 5 Feb 75 -> Dec 77.' and 'Closed 19/12/77.' were written on the front, and '904-7B. the National Theatre. - Electrical Installations - File 5. From 1.2.75 - 19.12.77' was written on the spine. |