Current
Core Supplement
Technical Note
Collates the information required for the planning, specification, design and construction of drains and sewers using vitrified clay pipes.
First published as Specification, design and construction of drainage and sewerage systems using vitrified clay pipes, CPDA 2001. Supersedes: Testing of drains and sewers: water and air tests: notes for the guidance of the field operative and Laying vitrified drainage systems, CPDA 1999. Updated 2025.
The Clay Pipe Development Association provides a service for specifiers and users of vitrified clay pipes and flue linings. They produce technical booklets on the design and construction of clay pipes.
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