| Reference Number | TPC/5/4/596 |
| Title | Schedule of Catladders to be Provided as Builders Work for Mechanical Service and Lift Installations in Plant Rooms and Motor Rooms |
| Level | Item |
| Date | March 1974 |
| Description | Denys Lasdun & Partners schedule number 552/04/6992 issue D. Original date January 1974. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |