British Standards Document
BS 1635
Recommendations for graphic symbols and abbreviations for fire protection drawings

https://doi.org/10.3403/00218591U

BS 1635 is maintained by FSH/14. The current release of this standard is:

BS 1635:1990 Recommendations for graphic symbols and abbreviations for fire protection drawings

https://doi.org/10.3403/00218591 (published 31/07/1990)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS 1635:1970 [current until 31/07/1990]