What is BS EN 1253-2-Roof drains and floor gullies without trap about?
BS EN 1253 discusses gullies for buildings. BS EN 1253-2 is the second part of BS EN 1253 and discusses roof drains and floor gullies without traps.
BS EN 1253-2 classifies roof drains and floor gullies without traps for use inside buildings. Although normally used to convey rainwater and wastewater, these roof drains and floor gullies without trap may convey other wastewater provided there is no risk of damage to components or of injury to health.
Note: BS EN 1253-2 does not apply to trapped floor gullies with a depth of water seal of at least 50 mm as specified in EN 1253-1.
Who is BS EN 1253-2- Roof drains and floor gullies without trap for?
BS EN 1253-2 on roof drains and floor gullies without trap is useful for:
- Gully trap manufacturers
- Architects
- Civil engineers
- Builders
Why should you use BS EN 1253-2 - Roof drains and floor gullies without trap?
Gullies are drainage fitting with an open-top, a definite base and an outlet to one or more sides. Depending on the type of gully, they can be used to connect wastewater outlets or stormwater/rainwater outlets to suitable drains.
BS EN 1253-2 gives you guidance for places of installation and specifies requirements for the construction, design, performance and marking as well as test methods of factory-made roof drain and floor gullies without trap (further: floor gullies) for buildings, irrespective of the material for use in drainage systems. BS EN 1253-2 helps you to manufacture high-quality roof drains and floor gullies without the trap.
What’s changed since the last update?
BS EN 1253-2:2015 together with BS EN 1253-1:2015 supersedes BS EN 1253-1:2003 and BS EN 1253-2:2003, which are withdrawn. It includes some technical changes with respect to the previous version. These include:
- Reduction of scope on roof outlets and floor gullies without trap including parapet and emergency drains for use in gravity and siphonic drainage systems
- More definitive description of products
- Modification of terms and definitions
- Precision in the definition of places of installation
- Consideration of liquid applied membranes as connecting components
