| Description | The file contains Theatre Projects Consultants Ltd correspondence the client, consultants and contractors regarding scenery hoist installation as well as sketches and notes. Topics covered include the drive system; the installation programme; damage to the counterweight frame; scenery hoist numbering; using the hoists for a production of Tamburlaine; computers, calculator and software; standby scenery hoist system; movement of drum elevators; Ex-gratia payments to Evershed Power-Optics Ltd; night working; memory disc; track trolleys and noise; commissioning programme; control desk; cycloconverters and drive room equipment; matrix room CO2 installation; cables and leads; quotations; service and maintenance; handbook information; drum / hoist link; storage for electronics cubicle; protective covers for control desks; scenery elevators; Mole-Richardson (Stage & Studio Engineering) Ltd's failure to complete on time; control centre snagging; point hoist operation and handbook; diagnostics system; acceptance tests and completion; and trip and snag software. Correspondents include Evershed Power-Optics Ltd; Sir Robert McAlpine & Sons Ltd; Mole Richardson (Stage & Studio Engineering) Ltd; Professor I C Pyle (Department of Computer Science, University of York); Process Peripherals; Denys Lasdun & Partners; the South Bank Theatre Board; Ainslie Controls Ltd; the National Theatre; Flay Services; Flint & Neill Ltd; Humphries Holdings; and Davis, Belfield and Everest. The file includes a typed list of drawings. The original card folder has been disposed of. '6 Scene Hoists Sept 76-Jun 77' was written on the front, and there was also a sticker on the front marked 'the National Theatre 904/5B2 (Temp. File) Scenery Hoists File 6 From Sept. 1976 Closed.' '5B2 Closed 12.7.77' was written on the spine. |