Bundle of plans relating to Llyn Bran water supply

Scope and Content

Includes plans of: Llyn Bran water supply proposed arrangement of access and screening chamber proposed arrangement, dated Apr 1955; Llyn Bran water supply access and screening chamber existing pipework, dated Oct 1955; plan of breakout pressure tank; Llyn Bran section of lake along the outlet; diagram of proposed pipework at the end of tunnel; Llyn Bran water supply filter house reinforcement details, dated Jun 1956; Llyn Bran water supply inlet and screening chambers, dated Jul 1957; and break pressure tank plan. Includes a letter from Sandford Fawcett and Partners civil engineers to the hospital regarding the sending of plans related to Llyn Bran headworks, dated Sep 1957.