| Description | The file contains correspondence and enclosures sent between Theatre Projects Consultants Ltd and the client and contractors regarding the drum revolve. Topics include an alternative drive system; the unsatisfactory relationship between Mole-Richardson (Stage & Studio Engineering) Ltd and Evershed Power-Optics Ltd, drum revolve calculator to control certain functions, testing and inspections, CCTV, torque, ex-gratia payments to contractors, delays to completion and problems with site access, elevator position control system, noise issues, drum demonstration, safety rail and access ladders, outstanding work, completion of the contracts and payments to contractors, commissioning and safety documents. Other correspondents include Vickers Ltd; Denys Lasdun Redhouse & Softley; Denys Lasdun & Partners; Mole Richardson (Stage & Studio Engineering) Ltd; the South Bank Theatre Board; M I M Barnett Ltd; Evershed Power-Optics Ltd; Sound Research Laboratories Ltd; P E Kemp Engineers Ltd; the National Theatre; Coubro + Scrutton (M & I) Ltd; Tele-Stage Associates Ltd; Sir Robert McAlpine & Sons Ltd; A Hailstone; National Vulcan Engineering Insurance Group Ltd; the Greater London Council (GLC); and Rank Audio Visual Ltd. The file includes sketches of a new drive. The original card folder has been disposed of. '7 Drum Revolve April 79-June 80' was written on the front, and '904/5B1 Drum Revolve 7' was written on the spine. |