1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Types of structure
5 Factors affecting choice
5.1 General
5.2 Purpose
5.3 Range of flow
5.4 Afflux
5.5 Size and nature of channel
5.6 Channel slope and sediment load
5.7 Operation and maintenance
5.8 Passage of fish
5.9 Cost
6 Recommendations
6.1 Thin-plate weirs
6.2 Broad-crested weirs
6.3 Triangular-profile weirs
6.4 Streamlined triangular-profile weirs
6.5 Flat-V weirs
6.6 Compound gauging structures
6.7 Trapezoidal-profile weirs
6.8 Vertical underflow gates and radial gates
6.9 End-depth method
6.10 Flumes
7 Parameters governing choice of structures