To ensure optimal performance and prevent issues, follow these best practices:
| Region | Standard | Key requirement | |--------|----------|------------------| | UK | Building Regs Part H1 | Back inlet gully must have 50 mm seal | | USA | IPC 2018 Section 802 | Floor drains ≥2" trap seal | | Australia | AS 3500.2 | Kitchen gully to have removable grate | | EU | EN 1253-1 | Gully traps tested for 50 Pa air pressure | | Commercial food | HACCP | Documented cleaning schedule for floor drains | kitchen gully drain