EN 12056 Gravity drainage systems inside buildings
Part 1: General and performance requirements
Part 2: Sanitary pipework, layout and calculation
Part 3: Roof drainage, layout and calculation
Part 4: Waste water lifting plants; Layout and calculation
Part 5: Installation and testing, instructions for operation, maintenance and user
and/or similar local regulations.
EN 752 Drain and sewer systems outside buildings - Sewer system management
and/or similar local regulations.
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