Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Designation
5 Symbolization
6 Materials
7 Requirements
8 Marking (not required for site constructed products)
9 Technical documents
Annex A (informative) - Relationship between h and l
for air gap Family A, Type B with rectangular
overflow
Annex B (normative) - Alternative overflow arrangements
B.1 General
B.2 Horizontal overflow arrangement
B.3 Letterbox overflow extension arrangement