The series of documents below detail the strategies and policies that must be met when work is being both planned and carried out. These documents support our engineering standards framework which ensures all work meets our legal obligations.

The guidelines are provided as information only and should not be relied on for technical or contractual instruction.

• Standards framework

• Guidance note: Economy of flow velocities

• Guidance note: Post project case study

• Guidance note: Wastewater pump stations

• Subdivision guidance: Pressure wastewater collection systems

• Guidance note: Optimising corrosion protection

• Guidance note: Water meter connections

• Guidance note: Trench design and bedding

• Guidance note: Bolted joints

• Guidance note: Selecting pressure ratings

• Guidance note: Standard product solutions for household connections

• Guidance note: Dispensations

• Guidance note: Plant pipe labels and colours

• Guidance note: Stainless steel pipe welding

• Guidance note: Steel bolted flanged joint assemblies

• Guidance note: Shallow sewer installations

• Guidance note: Anchoring pipelines

• Guidance Note: Water network EPDM gasket material

• Guidance Note: Spot facing of flanges

• Guidance Note: Threaded rods vs bolts rods for flanged assemblies

• Guidance Note: Factors of safety for slope stability analysis

• Guidance Note: Seismic displacement for pipeline design