GDN-OPE-MRP13-DES-1-TRI MRP Design Guidance Note

Flows A & B: Design End to End ProcessFlow C & D: Year Work PlanFlow E: Descoping/Deferral (Appendix H)Flow F: Ductile Iron Medium PressureFlow G: Steel Mains >2” in diameterFlow H: Employer Nominated MainsFlow J: Appendix F and Stubs

Glossary

ALARP As Low As Reasonably PracticalRAT Risk Action ThresholdENM Employer Nominated MainGBNA Graphical Based Network AnalysisMRP Tool Mains Replacement PrioritisationARC FM Design Tool

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