| Description | The file contains correspondence and enclosures, drawings and meeting minutes covering a variety of topics relating to the Lower and Upper Theatre stage floors such as the timber, stage traps, steelwork, installation, facing panels, complications, costs and savings, conditions (temperature and relative humidity), cost of additional flooring in the drum, and mechanical test facilities for stage floor modules. Correspondents include Theatre Projects Consultants Ltd , the National Theatre Board Ltd, J.A.Hewetson & Co Ltd (timber), Sir Robert McAlpine & Sons Ltd, Tele-Stage Associates Ltd, Vigers Stevens & Adams Ltd (flooring specialists), William Mallinson & Vigers (Floors) Ltd, William Mallinson and Sons, Denys Lasdun & Partners, Mole-Richardson (Stage & Studio Engineering) Ltd, The Polytechnic of Central London, and the Greater London Council (GLC). Items include a summary of stage floor installation progress; sketch number A.16-88 'Proposed Lifting Handle for Floor Modules - Lower Theatre', a sketch showing section A2A2 of drawing number 904/90W, a sketch 'N.T. Flooring' showing levels 38.00 and 29.75 and a sketch 'N.T. Flooring: Flooring Not Quoted For', copy of sketch A 16-73 of an alternative design for the brass fixings for the lifting service, drawing A16-73 'Details of Module Lifting Sockets', a collection of sketches 'Finalisation of Stage Floor Drawings, Sketches 'Portal Bridge' and 'Portal Beam' and 'Electronic Winch for Bridge', and a sketch showing the handle location for the stage trap. Original folder disposed of. 'Flooring 904/5B 14' was written on the spine. |