| Reference Number | TPC/5/5/20 |
| Title | Conduit Layout, F.O.H. Staircase O1 and O2, Level 16.00 |
| Level | Item |
| Date | 27 April 1971 |
| Description | Denys Lasdun & Partners / Flint & Neill Ltd / Davis, Belfield & Everest drawing number E/Wc/2551 issue B. Drawn by S W W. Original date [21 January 1971]. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners / Flint & Neill Ltd / Davis, Belfield & Everest Drawings |