Includes: plan of break pressure tank produced by Sandford Facett and Partners, drawing number Q439; plan of the proposed access and screening chamber for the Llyn Bran water supply produced by Sandford Facett and Partners, drawing number 1097/A, dated Apr 1955; plan of the proposed access and screening chamber for the Llyn Bran water supply produced by Sandford Facett and Partners, drawing number 1097/B, dated Apr 1955; Diagram of proposed pipework at end of tunnel, produced by Sandford Facett and Partners drawing number F788; and diagram of section of lake along outlet at Llyn Bran, produced by Sandford Facett and Partners drawing number F783.
Plans relating to water supply at Llyn Bran
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- ReferenceGB 209 HD/1/1155
- Dates of Creation1955
- Physical Description1 bdle.